MAXX Vent VX OPERATION MANUAL - FläktGroup
←
→
Page content transcription
If your browser does not render page correctly, please read the page content below
MAXX Vent VX
OPERATION MANUALMAXX Vent VX FläktGroup Product Range 2 FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modifications
MAXX Vent VX
Unit Type Code
MAXX Vent Accessories
Fig. 1-1 Unit Code
V X 1 K . U 1 2 K O B . J K D Z H X . X X X X
Model size
Model size 1 = Model size 1
1 = Model size 1 2 = Model size 2
2 = Model size 2 3 = Model size 3
3 = Model size 3 4 = Model size 4
4 = Model size 4
Heat exchanger
Intake modules
K = No heat exchanger
20 = Mixed air module, type 1
21 = Mixed air module, type 2
Air flow function 23 = Fresh air shut-off damper
U = Recirculating air unit 25 = Flexible canvas connections
M = Mixed air unit 26 = Rectangular duct 150
27 = Rectangular duct 1000
28 = Duct connecting bend 90°, symmetrical
Contact protection 29 = Duct connecting bend 90°, assymetrical
1 = With contact protection 31 = Air intake hood, wall
(discharge) 32 = Weather protection grille
34 = Duct through slanted roof
35 = Air intake hood, roof
Thermostat 36 = Bag filter module
2 = Without thermostat 38 = Space bag filter for 35xx
39 = Space bag filter for 36xx
49 = Duct through roof with flat roof plinth
Coil connection (front view) 51 = Frame for wall connection
K = No heat exchanger 52 = Flange (for recirculating air units)
Heat exchanger connection Additional modules and suspensions
O = Without screw thread connection 53 = Compact C Wall
55 = Modular (for wall mounting)
56 = Ceiling suspension
Outlet
B = Basic discharge, wall
V = Four sides discharge, ceiling
K = Flange Material/Design
L = Double deflection louvre, ceiling/wall, only heating 4 = Galvanized steel/EExd configuration
P = Profile ceiling/wall 5 = Stainless steel/EExd configuration
A = Discharge nozzle ceiling
T = Gate nozzle
Z = Basic ceiling two sides
O = Without outlet Actuators for louvers and mixed air modules
1 = Manual adjustment
Without outlet 8 = Actuator 230 V - Zone 1
Motor, speeds
J = 3x400 V 2-speed - high speed range - II 2G c IIB T3, T4
L = 3x500 V 2-speed - high speed range - II 2G c IIB T3, T4
Filter class / electrical equipment
Only model size 2 and:
M = 3x400V 1-speed - low air volume - II 2G c IIB+H2 T3, T4 0 = without
N = 3x400V 1-speed - high air volume - II 2G c IIB+H2 T3, T4 5 = F5
O = 3x500V 1-speed - low air volume - II 2G c IIB+H2 T3, T4
P = 3x500V 1-speed - high air volume - II 2G c IIB+H2 T3, T4 Model 55 Modular suspension with types
0 = without accessories 7 = 25+23+51
1 = 25+20+51 8 = 25+36+23+51
Electric equipment 2 = 25+36+20+51 A = 26+36
K = Terminal box 4 = 25+21+29+51 C = 25+28 (+49...)
S = Fan isolator 5 = 25+36+21+29+51 W = without accessories for units with
vertical discharge
Design Configuration 56 ceiling suspension
D = Industrial configuration RAL 7000 0 = Mounting kit without threaded rod
E = Complete unit in stainless steel industrial configuration 1 = Mounting kit with threaded rod 1 m
2 = Mounting kit with threaded rod 2 m
3 = Mounting kit with threaded rod 3 m
FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modifications 3MAXX Vent VX
Table of Contents
FläktGroup Product Range ......................................................................... 2
Unit Type Code ............................................................................................ 3
Table of Contents ........................................................................................ 4
1 Safety and User Information .................................................................... 5
1.1 Scope of the operation manual .................................................................... 5
1.2 Used symbols ............................................................................................... 5
1.3 Safety-conscious working ............................................................................ 6
1.4 Proper use .................................................................................................... 7
1.5 Safety regulations and codes ....................................................................... 7
1.6 Modifications and changes ........................................................................... 7
1.7 Spare parts ................................................................................................... 7
1.8 Personnel selection and qualification ........................................................... 7
2 Technical Description .............................................................................. 8
2.1 Basic unit components ................................................................................. 8
2.2 Material specification .................................................................................... 8
2.3 Unit components .......................................................................................... 9
2.4 Unit dimensions ............................................................................................ 9
2.5 Unit weight ................................................................................................. 10
2.6 Unit operating limits .................................................................................... 10
prohibited without express prior consent. Violations entail liability for any damages or other liability arising.
Disclosing, copying, distributing or taking any action in reliance on the contents of this document is strictly
2.7 Sound and electric data ............................................................................. 11
3 Shipping and Handling .......................................................................... 13
3.1 Shipping ..................................................................................................... 13
3.2 Shipping and handling of unit ..................................................................... 13
3.3 Storage ....................................................................................................... 14
4 Assembly ................................................................................................. 15
4.1 Load-bearing capacity of the installation site ............................................. 15
4.2 Ceiling installation ...................................................................................... 15
4.3 Wall installation .......................................................................................... 16
4.4 Unit installation ........................................................................................... 17
All rights in relation to patents, utility patents or design patents are reserved.
5 Electrical Connection ............................................................................. 19
5.1 Wiring diagrams ......................................................................................... 19
5.2 Terminal box/fan isolator ............................................................................ 20
5.3 Motor terminal diagram for 2-speed three-phase external rotor motor -
II 2G c IIB T3, T4 (motor model J, L) ............................................................... 21
5.4 Motor terminal diagram for 1-speed three-phase standard motor 3 x 400 V
(3 x 500 V) unit designation II 2G c IIB+H2 T3, T4 (motor model M, N, O, P) . 23
5.5 Connection of damper actuator .................................................................. 23
5.6 Installing control unit and connecting unit .................................................. 24
6 Commissioning ...................................................................................... 26
6.1 Per-commissioning requirements ............................................................... 26
6.2 Operation ................................................................................................... 26
6.3 Operating instructions ................................................................................ 27
6.4 Deactivation ............................................................................................... 27
7 Maintenance ............................................................................................ 28
7.1 Maintenance ............................................................................................... 28
7.2 Quarterly maintenance ............................................................................... 29
7.3 Half-yearly maintenance ............................................................................ 30
7.4 Troubleshooting ......................................................................................... 31
8 Disassembly and Disposal .................................................................... 32
Copyright note
8.1 Dismantling ................................................................................................ 32
8.2 Recycling .................................................................................................... 32
Appendix to the Operation, Installation and Maintenance Manual and
Data&Facts Catalogue .............................................................................. 33
Declaration of Conformity ..........................................................................34
4 FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modificationsMAXX Vent VX
1 Safety and User Information
This is an original operation manual verified by the manufacturer.
The MultiMAXX Vent VX unit heaters are developed and manufactured in accordance
with the state-of-the-art technological standards and established technical safety
codes and meet the requirements of the EC Directive on Machinery.
MultiMAXX Vent VX unit heaters are highly reliable in operation and meet strict quality
standards. This product range combines future-oriented technology with a high level of
user friendliness and ease of maintenance.
However, unit heaters could pose unavoidable residual risk of injury or risk of equip-
ment or property-damage only accidents. Therefore your personal safety and the
proper operation of the unit depend on the strict observance of the safety instructions.
Failure to follow the safety precautions could result in death, serious injury or equip-
ment or property-damage-only accidents.
Observing the safety instructions in the current operation manual will help avoid the
risks, ensure economical operation of the unit and enjoy full benefits of the product.
The safety aspects covered by this chapter are valid for the entire operation manual.
1.1 Scope of the operation manual
This operation manual covers critical points on the following subjects:
– Shipping
– Assembly
– Installation
– Electrical connection
– Commissioning
– Operation
– Maintenance, cleaning and disposal
1.2 Used symbols
The following symbols are used to highlight specific text sections in this operation
manual:
– Indicates text paragraphs
• Indicates work steps
9 Indicates work results.
NOTE!
Refer to this section for additional information on energy-efficient operation of the
MultiMAXX Vent VX unit heater.
RECYCLING!
This symbol clarifies proper procedure for recycling of package material and disused
unit components. These components need to be separated according to their
features and material type.
FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modifications 5MAXX Vent VX
The following designations and symbols are used for specifying safety instructions.
RISK OF ACCIDENT DUE TO ELECTRICAL CURRENT!
This symbol indicates a risk of accident due to electric shock.
PERSONAL INJURY!
This section specifies procedures and precautions for preventing personal injury.
DANGER DUE OVERHEAD LOADS!
This symbol warns about personal injury and damage caused by overhead loads.
DANGER – SHARP CUTTING EDGES!
This section specifies procedures and precautions for preventing personal injury
resulting from cuts on thin metal fins.
DANGER OF ROTATING UNIT PARTS!
This section specifies procedures and precautions for preventing personal injury
resulting from rotating unit components.
ENVIRONMENTAL DAMAGE!
This symbol warns about damage to the environment and turns attention to all
existing national environmental protection regulations.
EQUIPMENT DAMAGE!
This section specifies procedures and precautions for preventing damage to the
MultiMAXX Vent VX unit heater.
1.3 Safety-conscious working
Observe the following instructions during installation, settings, service and mainte-
nance tasks:
ELECTRICAL HAZARD!
Disconnect all electric power of the unit and ensure the power cannot be inadvert-
ently energised, earth, short-circuit and block off all neighbouring live parts. Non-
compliance can lead to death or serious injury.
DAMAGE RISK DUE TO STATIC DISCHARGE!
While carrying out connections or adjustments on the MultiMAXX Vent VX unit
heater make sure that you discharge yourself statically before touching PC boards
and electrical components.
• Fluctuations and imbalance in supply voltage must not exceed tolerance limits
specified on the unit identification plate; otherwise this could cause severe unit
malfunction, overload states or failure.
6 FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modificationsMAXX Vent VX
1.4 Proper use
The MultiMAXX Vent VX unit heaters are designed for heating, ventilating and filtering
of indoor and outdoor air in industrial buildings within explosion risk area of zone 1. Unit
configuration is labelled as II 2G c IIB T4 and II 2G c IIC T4. Filters, mixed air and air
intake modules, suspension sets, control units and control devices can be supplied as
optional accessories.
Proper use also stipulates the observance of the current operation manual as well as
adherence to all inspection and maintenance intervals specified by FläktGroup.
Improper use Any use other than that described above is considered improper. The manufacturer/
supplier is not liable for any damages arising from improper use. The user alone bears
the risk.
PERSONAL INJURY!
The MultiMAXX Vent VX unit heaters must not be operated:
– in rooms with high dust or moisture content
– in rooms with strong electromagnetic fields
– in rooms with aggressive environment that may attack plastics.
The following accident prevention regulations are valid (VBG1, BGV A2 (previously:
VBG4), VBG7w, VBG9a) and generally recognized codes for machinery and princi-
ples of engineering, in particular DIN VDE 0100, DIN VDE 0105.
1.5 Safety regulations and codes
When carrying out installation, commissioning, maintenance and service of the
MultiMAXX Vent VX unit heaters, all relevant safety regulations and codes as well as
generally established technical practices must be followed.
1.6 Modifications and changes
It is not allowed to modify, add components, or convert the MultiMAXX Vent VX in any
way.
Changes or modifications of the unit heater shall invalidate the CE conformity and ren-
der and all warranty claims as null and void.
1.7 Spare parts
Only original FläktGroup spare parts are allowed, since FläktGroup is not liable if third-
party spare parts are used.
1.8 Personnel selection and qualification
NOTE!
Every person authorised to work with the MultiMAXX Vent VX unit must have read
the entire operation manual and understood it completely. Please read this document
fully before commencing any work, and not while performing a task.
Electrical connection shall only be carried out by qualified licensed staff or other
individuals with proper professional training and experience in the following areas:
– Regulations concerning health and safety in the workplace
– Accident prevention regulations
– Directives and recognized codes of practice
All skilled individuals shall be able to assess, what the work entrusted to them entails,
and shall be able to recognize and avoid all associated dangers.
FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modifications 7MAXX Vent VX
2 Technical Description
2.1 Basic unit components
1b
1a
3 2
5
4 6
Fig. 2-1: Components of MultiMAXX Vent VX basic unit
Poz. 1a: Fan with contact protection grille - II 2G c IIB T3, T4 Poz.:4: Unit casing
Poz. 1b: Fan with contact protection grille - II 2G c IIB+H2 T3, T4 Poz.:5: Discharge - „B“ basic wall
Poz. 2: Flange for accessories on the intake side Poz.:6: Terminal box/fan isolator
Poz.:3: Fan with contact protection grille
2.2 Material specification
Unit part Material
Fan with contact protection grille Various materials
Intake nozzle Galvanized sheet steel or galvanized sheet steel with paint finish
Fan module Galvanized metal sheet or stainless steel
Unit casing Galvanized and painted metal sheet or stainless steel
Outlet Galvanized sheet steel or stainless steel or aluminium fins and galvanized
sheet steel or aluminium fins and stainless steel
Terminal box / fan isolator Various materials
Tab. 2-1: Material specification of unit components
8 FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modificationsMAXX Vent VX
2.3 Unit components
MultiMAXX Vent VX unit heater is comprised of a fan. The casing is performed in
galvanized and painted metal sheet or stainless steel. The air discharge opening can
accommodate up to 12 different types of discharge louvres. A wide wing or sickle blade
fan is located in the fan casing on the rear side of the unit heater. The protection grille
prevents possible contact with the fan.
The unit rear side can be supplied with an attachment for mounting air intake accesso-
ries. The components that are made of non-ferrous metal and galvanized fixing parts
are not protected by paint.
M8 nuts are riveted on the sides of the fan section (4 on each side) and are used to
secure the unit with brackets or suspensions on the wall or under the ceiling.
2.4 Unit dimensions
Minimum clearance for installation and maintenance
Fig. 2-2: Unit heater dimensions
Dimensions / unit size 1 2 3 4
A [mm] 642 738 866 1026
B [mm] 520 616 744 904
C [mm] 387 387 387 452
E (for motor J, L) [mm] 120 120 140 140
E (for motor M, N, O, P) [mm] - 223 - 250
G [mm] 418 514 642 802
H [mm] 451 547 675 835
I [mm] 300 300 400 400
M [mm] 470 566 694 854
Tab. 2-2: Unit dimensions
FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modifications 9MAXX Vent VX
2.5 Unit weight
Unit size Weight [kg]
Motor type J, L Motor type M, N, O, P
VX 1 30 -
VX 2 38 46
VX 3 53 –
VX 4 79 79
Tab. 2-3: Weight including basic discharge
2.6 Unit operating limits
NOTE!
All other important data about unit capacity, weights, connections and sound power
is specified in the „Data and Facts MultiMAXX Vent VN, VS, VX".
Unit Max. allowed ambient temperature -20°C to +40°C
Operating voltage 3 x 400 V or 1 x 500 V ~ 50 Hz
Protection class IP 54
Max. relative air humidity 95% at 25°C
Corrosion resistance class C3 - EN ISO 12944-2
Max. dust concentration in the air 10 mg / m3
Power consumption refer to unit identification plate
10 FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modificationsMAXX Vent VX
2.7 Sound and electric data
Sound power level [dB] A-rated sum level Max.
Speed Max.
Octave centre frequency [Hz] current
Size Sound power
Sound power consump-
pressure* consumption
Speed RPM 63 125 250 500 1000 2000 4000 8000 dB(A) kW tion
dB(A) A
II 2G c IIB - Motor J
2 1420 54 64 70 65 67 65 61 54 71 55 0.14 0.27
1
1 1230 58 69 65 61 62 61 57 48 67 51 0.12 0.20
2 1390 62 74 76 69 69 69 66 59 75 59 0.29 0.60
2
1 1130 64 65 97 64 65 65 61 54 70 54 0.23 0.41
2 910 79 67 73 68 67 67 64 56 73 57 0.31 0.58
3
1 730 62 70 65 62 63 63 59 50 69 52 0.23 0.38
2 890 78 75 85 74 73 70 67 60 80 63 0.44 0.80
4
1 690 67 84 73 73 68 66 62 55 75 59 0.32 0.52
II 2G c IIB - Motor L
2 1440 54 64 70 65 67 65 61 54 71 55 0.17 0.38
1
1 1290 58 69 65 61 62 61 57 48 67 51 0.12 0.18
2 1400 62 74 76 69 69 69 66 59 75 59 0.33 0.52
2
1 1130 64 65 67 64 65 65 61 54 70 54 0.25 0.35
2 900 79 67 73 68 67 67 64 56 73 57 0.33 0.49
3
1 730 62 70 65 62 63 63 59 50 69 52 0.24 0.32
2 870 78 75 85 74 73 70 67 60 80 63 0.50 0.71
4
1 660 67 84 73 73 68 66 62 55 75 59 0.34 0.44
II 2G c IIB+H2 - Motor M
2 1 930 63 59 68 61 61 58 53 43 66 49 0.30 0.67
4 1 680 72 77 76 71 65 61 56 49 73 56 0.30 0.66
II 2G c IIB+H2 - Motor O
2 1 930 63 59 68 61 61 58 53 43 66 49 0.30 0.67
4 1 680 72 77 76 71 65 61 56 49 73 56 0.30 0.53
II 2G c IIB+H2 - Motor N
2 1 1370 81 78 78 70 66 61 56 50 73 57 0.37 0.69
4 1 925 82 84 84 79 73 69 64 58 81 64 0.55 1.10
II 2G c IIB+H2 - Motor P
2 1 1370 81 78 78 70 66 61 56 50 73 57 0.37 0.55
4 1 925 82 84 84 79 73 69 64 58 81 64 0.55 0.88
Tab. 2-4: Sound and electric data
* Sound pressure: standard values at 5 m distance to the unit side, at maximum air flow rate and low reflection room. Industrial
hall volume 1500 m3, absorption surface 200 m2 Sabin, hemispherical radiation = direction coefficient 2. These values can be
significantly influenced by the indoor characteristics in a positive or negative way.
FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modifications 11MAXX Vent VX
2.8 Air side accessories
The following accessories are available for the MultiMAXX Vent VX unit heater.
Description Order-Nr. Design
Mixed air module, type 1* ZHx.20#X Recirculating and outside air offset by 90°
Mixed air module, type 2* ZHx.21#X Recirculating and outside air opposite at 180°
Blocking damper outside air* ZHx.23#X Galvanized metal sheet or stainless steel
Flexible canvas connections ZHx.2520 Frame made of galvanized metal sheet, overall length 150 mm
ZHx.2530 Frame made of stainless steel, overall length 150 mm
ZHx.2540 Frame made of galvanized metal sheet, overall length 300 mm
ZHx.2550 Frame made of stainless steel, overall length 300 mm
Rectangular duct 150 ZHx.26#0 Spacer, overall length 150 mm
Rectangular duct 1000 ZHx.27#0 Overall length 1000 [mm]
Duct connecting bend 90°, ZHx.28#0 90° symmetrical, tapered peripheral run-around mounting frame
symmetrical
Duct connecting bend 90°, ZHx.29#0 90° asymmetrical, tapered peripheral run-around mounting
asymmetrical frame
Air intake hood, wall ZHx.3140 Galvanized metal sheet
Weather protection grille ZHx.3240 Galvanized metal sheet, overall depth 45 mm
Duct through slanted roof ZHx.3440 Galvanized metal sheet
Air intake hood, roof ZHx.3540 Metal sheet in RAL 9002 with bird protection grille, without filter
ZHx.3545 Metal sheet in RAL 9002 with bird protection grille, with G5 filter
Bag filter for roof air intake hood ZHx.3845 F5 filter
Bag filter module ZHx.3640 Without filter unit
ZHx.3645 With F5 filter
Bag filter for module „36“ ZHx.3945 F5 filter
Duct through roof with flat roof plinth ZHx.4940 Galvanized metal sheet
Frame for wall connection ZHx.51#0 As spacer for wall opening
Flange ZHx.52#0 Only for recirculating air units
Suspension type compact C ZHx.53#0 For recirculating air units
Modular type suspension ZHx.55#0 Only wall mounting
Ceiling suspension ZHx.56#0 Installation without threaded rod
ZHx.56#1 Threaded rod 1 m - M10
ZHx.56#2 Threaded rod 2 m - M10
ZHx.56#3 Threaded rod 3 m - M10
Tab. 2-5: Air side accessories
The symbol „x“ is reserved for size to be specified.
The symbol "#" means 4 = galvanized metal sheet or 5 = stainless steel
* Unit type code for mixed air modules and fresh air blocking damper depending
on the actuator:
ZHx.2xx0 - with field actuator provided by others (shaft diameter = 15.5 mm)
ZHx.2xx1 - manual adjustment
ZHx.2xx8 - with actuator 230 V - Zone 1
12 FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modificationsMAXX Vent VX
3 Shipping and Handling
3.1 Shipping
Manufacturer’s instructions regarding transporting and storing the unit must be
followed (see labels on the packing).
NOTE!
• When the unit heater is delivered and unpacked, check that the delivery is correct
according to the despatch note, and also check for completeness and transit
damage.
• Ship and store unit heaters in original packing!
EQUIPMENT DAMAGE!
• After the shipment ensure that the unit is not damaged.
NOTE!
Claims for damage or missing parts can only be filed with the insurance company
only if shipping damage is confirmed by an authorized worker of the transportation
company.
3.2 Shipping and handling of unit
• Attach lifting gear to the designated points of the assembly unit. Chains/slings
should not be knotted and/or be exposed to sharp edges. Special attention must be
given to equal weight distribution.
Only lifting gear with sufficient load carrying capacity is allowed.
DANGER DUE OVERHEAD LOADS!
Do not raise units overhead with personnel below units.
PERSONAL INJURY!
Do not use damaged transport devices.
Use a fork lift truck only if the unit is placed on a pallet.
DANGER – SHARP CUTTING EDGES!
Use personal protective equipment such as safety gloves, footwear and clothes for
unit shipping.
Fig. 3-1: Transport of unit
FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modifications 13MAXX Vent VX
3.3 Storage
The MultiMAXX Vent VX unit heater must be protected from humidity and dirt. Store
the unit in rooms that meet IE 12 standards and EN 60 721-3-1 requirements.
NOTE!
Allowed storing conditions:
Air temperature: -25 °C to +40 °C
Air humidity: from 50 to 85% relative air humidity, without condensation
14 FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modificationsMAXX Vent VX
4 Assembly
4.1 Load-bearing capacity of the installation site
NOTE!
The assembly site must be vibration-free and suitable for permanently supporting the
weight of the unit heater. If necessary, the approval of a structural engineer or
architect has to be received.
For mounting the unit, 2 sets with 4 M10 nuts are placed on the fan module
(refer to Fig. 2-2). The fixing material is enclosed with suspensions.
4.2 Ceiling installation
During planning give special attention to: the suspension height, distance
between the units and minimum distance from the ceiling.
Table with suspension height of unit for
ceiling mounting
Type Air throw Suspension
(m) height max. (m)
(outlet C, D)
VX 1 20.6 14.2
VX 2 26.4 18.1
VX 3 31.8 21.4
VX 4 42.1 29.6
Suspension height
Fig. 4-1: Suspension height for ceiling
installation
PERSONAL INJURY!
The minimum allowed mounting height above the floor amounts to 2.7 m.
NOTE!
The maximum height of the unit ceiling installation varies depending on the
discharge temperature, reduced speed and air volume flow due to accessories.
Minimum distance from ceiling A (refer to Fig. 4-1)
It is necessary to keep the minimum distance to allow sufficient air intake and provide
sufficient access for maintenance.
Model size 1 2 3 4
Clearance A
300 300 400 400
(mm)
The ceiling installation of recirculating air units with „ceiling“ suspension (ZH#.56xx)
refer to Fig. 4-5 and of mixed air units - Fig. 4-6.
FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modifications 15MAXX Vent VX
4.3 Wall installation
Give special attention to minimum height, direction of discharged air flow, distance
between units and minimum distance from the wall. (refer to Fig. 4-2).
PERSONAL INJURY!
The minimum allowed mounting height above the floor amounts to 2.7 m.
NOTE!
Wall mounted unit heaters must not be mounted too high above the floor in order to
ensure good mixing of bottom air layers.
Direction of discharged air flow
Discharge air flow should be directed as to avoid air draughts in the room. The primary
air flow must not be directed against walls, beams, cranes, shelves, columns or similar
obstacles!
Minimum distance to wall A (refer to Fig. 4-2)
Provide minimum distance to wall to allow sufficient air circulation and ensure ade-
quate access for maintenance.
Model size 1 2 3 4
Clearance A (mm) 300 300 400 400
Air throw
Air throws are specified in the following table:
Type Max. air throw
(m) Max. air throw
VX 1 20.6
VX 2 26.4
VX 3 31.8
VX 4 42.1
Fig. 4-2: Air throws with wall mounting
For wall mounting of a recirculating air unit with „Modular“ suspension (ZH#.55xx) refer
to Fig. 4-3, with "Compact C" suspension (ZH#.53xx) refer to Fig. 4-4 and wall mount-
ing of mixed air units with "Modular" suspension refer to Fig. 4-7.
16 FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modificationsMAXX Vent VX
4.4 Unit installation
NOTE!
Units must be installed in a safe, reliable and visually adequate manner. For these
reasons, it is recommended to use manufacturer’s suspensions.
EQUIPMENT DAMAGE!
The unit must be installed in a stain-free, vibration-free and twist-free way.
NOTE!
Fixation points: unit heater must be secured at minimum 4 fixation points. Use the
screws of the transport safety device.
Fig. 4-3: Wall mounting of a recirculating air unit with „Modu- Fig. 4-5: Ceiling mounting of a recirculating air unit with „ceil-
lar“ suspension (ZH#.55xx) ing“ suspension (ZHx.57xx)
Fig. 4-4: Wall mounting of a recirculating air unit with
Compact C suspension (ZH#.53 xx)
FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modifications 17MAXX Vent VX
ZH#.35 xx
ZH#.49 xx
ZH#.49 xx
ZH#.20 xx
ZH#.36 xx
ZH#.25 xx, or ZH#.26 xx
ZH#.56 xx
Fig. 4-6: Ceiling mounting of a mixed air unit with „ceiling“ suspension (ZH#.56xx)
ZH#.31 xx
ZH#.51 xx
ZH#.29 xx
ZH#.55x5
ZH#.21 xx
ZH#.36 xx
ZH#.25 xx
Fig. 4-7: Wall mounting of a mixed air unit with „Modular“ suspension (ZH#.55xx)
With mixed air units the flange for mounting accessories is fitted by the manufacturer;
with recirculating air units the flange (ZH#.5200) must be ordered as an accessory and
fitted by others on site.
Either flexible canvas connection (ZH#.25xx) or rectangular duct 150 (ZH#.26xx) must
be fitted as the first add-on module of a recirculating air unit. Refer to mounting exam-
ples in Fig. 4-6 and Fig. 4-7.
18 FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modificationsMAXX Vent VX
5 Electrical Connection
HAZARDOUS VOLTAGE!
The electrical connection of the MultiMAXX Vent VX unit heater must only be
performed by qualified licensed staff in observance of the given operation manual
and the following regulations:
– VDE regulations, including safety regulations
– Accident prevention regulations
– Installation instructions.
5.1 Wiring diagrams
The electrical connection of MultiMAXX Vent VX unit heaters must be performed in
accordance with the valid wiring diagrams. The wiring diagram is located on the inside
cover of the unit connection box or is enclosed separately.
HAZARDOUS VOLTAGE!
The wiring diagrams do not contain any protective measures. During connection cur-
rently valid standards and regulations must be observed and checked with the local
power company.
5.1.1 Cable connections
The cable connections must be performed in compliance with the local regulations and
code of practice.
The selection of cable type and cable cross section must be performed by a qualified
electrical engineer. Addition of components by others and field line runs must be
designed for high temperatures and fitted with spacers.
Electrically screened line shall be used for the PTC thermistor, whereas earth screen
shall be connected on one side to the protective conductor terminal (PE) in the control
unit. The decision to attach earth screen at both ends must only be made on site (e.g.
in case of severe interference), whereby the relevant applicable local regulations and
codes must be observed.
After successful cable installation all cable entry points must be sealed in a
splash-proof manner.
5.1.2 Motor protection using PTC thermistor
The PTC thermistors are embedded in motor windings and in combination with the
motor full protection of the control unit (986810, 986920 or 986960) enable interlocking
disconnection of the fan motor, if the maximum allowed winding temperature is
exceeded. If the unit heater is not operated together with the control unit, the motor
must be protected by a tripping unit of class Ex II (2) G or a tripping unit for Exe fan
motors of type: 912MVS.EX (producer: FläktGroup) or for Exd fan motor type
3RN 1011-1CK00 (producer: Siemens).
5.1.3 Operation of basic unit
For operating the unit heaters - switch units for recirculating and mixed air units can be
used (refer to Fig. on page 24-25).
Operation with frequency converters or switch units with voltage reduction
(e.g. transformer) is not possible.
FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modifications 19MAXX Vent VX
5.2 Terminal box/fan isolator
The MultiMAXX Vent VX unit heater is supplied with a plastic terminal box or fan
isolator.
Earth terminal
Fig. 5-1: Terminal box and earth terminal
5.2.1 Wiring diagrams
The plastic terminal box / fan isolator contains a terminal strip.
Electrical connection of the unit heater and control unit must be carried out according
to the current EN 60079-14 standard and terminal diagrams with
consideration of all necessary protective measures.
5.2.2 Potential equalisation
Electrical conductive connection must be assured between all units and accessory
parts. Thermistors and overload protection must be activated.
Besides, the unit heater must be integrated in potential equalisation using the desig-
nated connection point. The earthing must be continuously ensured. The resistance
must not exceed max. 0.1 Ohm (refer to Fig. 5-1).
The potential equalisation between accessory parts must be performed using enclosed
screws, nuts and tooth lock washers.
20 FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modificationsMAXX Vent VX
5.3 Motor terminal diagram for 2-speed three-phase external rotor motor - II 2G c IIB T3,
T4 (motor model J, L)
– With PTC thermistor
– Switch for cumulative compound motor
– Winding diagrams Δ/Y
– Without voltage switch-over!
– For operating voltage refer to the unit identification plate
5.3.1 2-speed operation at operating voltage 3 x 400 V (3 x 500 V) - unit with terminal box
– with speed switch unit 986920.3 or 986960.3 for 3 x 400 V (motor J), 986820T.51
or 986860T.51 for 3 x 500 V
– Connection cable: 6 + PE = 7 wires
– Electrically screened line: 2 K connecting wires
Control unit
for 400 V: type 986820.3 or 986960.3
for 500 V: type 986820T.51 or
986860T.51)
Fig. 5-2: Terminal drawing for 2-speed operation using two-speed switch
5.3.2 1-speed operation at operating voltage 3 x 400 V (3 x 500 V) - unit with terminal box
– with speed switch unit 986910.3 or 986811.3 for 3 x 400 V (motor J), 986810T.51
or 986811T.51 for 3 x 500 V (motor L)
– Connection cable: 3 + PE = 4 wires
– Electrically screened line: 2 K connecting wires
1-speed operation with high RPM (Δ)
1-speed operation with low RPM (Y)
Fig. 5-3: Terminal drawing for 1-speed operation
FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modifications 21MAXX Vent VX
5.3.3 2-speed operation at operating voltage 3 x 400 V (3 x 500 V) - unit with fan isolator
– with speed switch unit 986920.3 or 986960.3 for 3 x 400 V (motor J), 986820T.51
or 986860T.51 for 3 x 500 V (motor L)
– Connection cable: 6 + PE = 7 wires
– Electrically screened line: 2 PTC thermistor connecting wires
– For other operating voltage optional control units are available on request.
Thermistor
Fan isolator
Control unit
for 400 V: 986920.3 or 986960.3
for 500 V: 986820T.51 or 986860T.51
Fig. 5-4: Connecting 2-speed fan isolator
5.3.4 1-speed operation at operating voltage 3 x 400 V (3 x 500 V) - unit with fan isolator
– with speed switch unit 986910.3 or 986811.3 for 3 x 400 V (motor J), 986810T.51
or 986811T.51 for 3 x 500 V (motor L)
– Connection cable: 3 + PE = 4 wires
– Electrically screened line: 2 K connecting wires
1-speed operation with high RPM (Δ)
Fan isolator
Fan isolator motor wires (speeds)
shall be connected at the fan isola-
tor.
Jumpers shall be placed by others
on site
1-speed operation at low RPM (Y)
Fan isolator
Fig. 5-5: Connecting 1-speed fan isolator
22 FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modificationsMAXX Vent VX
5.4 Motor terminal diagram for 1-speed three-phase standard motor 3 x 400 V (3 x 500 V)
unit designation II 2G c IIB+H2 T3, T4 (motor model M, N, O, P)
– with speed switch unit 986810 or 986811 for 3 x 400V (motor M, N), 986810T.51 or
986811T.51 for 3 x 500V (motor O, P)
– Connection cable: 3 + PE = 4 wires
– Electrically screened line: 2 PTC thermistor connecting wires
Terminal box
Motor
Fan isolator
Fig. 5-6: Connecting 1-speed three-phase standard motor
5.5 Connection of damper actuator
For connection of EEx damper actuator give special attention to the following:
During manual deactivation of the unit heater - external remote switch or regulation
system in frost risk case must ensure that the fresh air damper is closed by the
actuator.
For connection follow instructions in a separate operation manual provided by Schis-
chek company.
The damper actuator is certified to operate in explosion-proof areas.
(PTB 99 ATEX 1103 - EEx II 2 G EEx d IIc T6 and EEx II 2 D IP65 T 95°C).
Actuator
Mixed air module
Terminal box
Mixed air module
Fig. 5-7: Connecting actuator and mixed air module
FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modifications 23MAXX Vent VX
5.6 Installing control unit and connecting unit
The control unit (accessory item) must be installed in the designated location (outside Zone
1). The connection type must be determined between single or group unit connection. As
a group - adjacent units shall be connected to one heating line. An intermediate termi-
nal box shall be used if a unit group is connected. A maximum of 2 unit heaters (with
consideration to motor full protection device) can be included in a unit group.
5.6.1 Installation example
Unit group comprising MultiMAXX Vent VX with recirculating air function and control
unit.
Room thermostat type
902014
Zone 1
no zone 1
Intermediate terminal box
type 981860
Power supply (1) Motor cable: 7 wires (motor J, L)
400 V/50 Hz 4 wires (motor M, N, O, P)
(500 V/50 Hz) (2) PTC thermistor: 2 wires (electrically screened line)
(3) Room thermostat: 3 wires
(must be installed in the thermal range of the unit heater!)
Control unit
Type 986810.3 or 986920.3
(Type 986810T.51 or 986920T.51)
Fig. 5-8: Unit group comprising MultiMAXX Vent VX with recirculating air function and control unit
24 FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modificationsMAXX Vent VX
Unit group comprising MultiMAXX Vent VX with mixed air function and control unit.
Room thermostat
Type 902014
Zone 1
no zone 1
Intermediate terminal box
type 981865
(1) Motor cable: 7 wires (motor J, L)
4 wires (motor M, N, O, P)
(2) PTC thermistor: 2 wires (electrically screened line)
(3) Actuator for mixed air damper: 5 wires
Power supply (4) Room thermostat: 3 wires (must be installed in the thermal
400 V/50 Hz range of the unit heater!)
(500 V/50 Hz)
Control unit
Type 986811.3 or 986960.3
(Type 986811T.51 or 986960T.51)
Fig. 5-9: Unit group comprising MultiMAXX Vent VX with mixed air function and control unit
FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modifications 25MAXX Vent VX
6 Commissioning
RISK OF ACCIDENT DUE TO ELECTRICAL CURRENT!
Isolate all power supply connections of the unit heater and ensure the power cannot
be inadvertently energised.
DANGER OF ROTATING UNIT PARTS!
Wait to allow the fan rotational momentum to cease!
NOTE!
Before commissioning ensure that the unit heater is clean e.g.:
– Discharge louver
– Filter
6.1 Per-commissioning requirements
– All mechanical and electrical systems of the unit heater have been installed.
– The MultiMAXX Vent VX unit is de-energised and isolated.
6.1.1 Initial commissioning:
• Main isolator must be in "Off" position and the unit must be secured against
inadvertent energizing!
• Checking the unit:
– Inspect the casing for damage.
– Check painted surfaces for signs of damage.
– Rotate the fan manually to check it turns in the proper direction; ensure even slit
width of the fan to confirm a stress-free installation. The slit width must amount
to at least 1 % of the impeller diameter.
– Ensure free air passage on the air-side
– Check faulty electrical connections
– Check proper utilization of protective measures (thermostat)
– Connection of potential equalisation
– Electrical connection must be assured between unit and accessory modules
• Switch on the unit: (if necessary, set jumper for the remote switch contact, increase
temperature setpoint to activate the unit)
• Check the rotating direction; the rotating direction is correct, if circulated air is
discharged from the outlet.
• Changing phases enables to swap rotating direction (e.g. L1 with L2)
• Measure current consumption and compare with the identification type plate.
• Adjust the discharge louver to the required air throw direction. The discharge
direction shall be set in such way as to prevent air draughts in the occupied zone.
6.2 Operation
Activation and deactivation of the unit is performed using the speed selection switch or
room thermostat or/and external remote switch.
6.2.1 Regulation of mixed air module
Regulation of the actuator of the mixed air module is performed by a control switch in
the control unit (e.g. 986811.3).
26 FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modificationsMAXX Vent VX
6.2.2 Secondary air louvre
The secondary air louvre of the unit heater directs conditioned air in the controlled
space. The regulation of the secondary air louvre sets the optimal discharge angle for
air flow (fan speed) under current temperature conditions. The occupation zone can be
air conditioned in a draught-free way, at the same time formation of indoor temperature
layers can be to a large extent prevented.
– In manual mode secondary air louvres are adjusted manually (refer to Fig. 6-1)
Wall unit Ceiling unit
Obr. 6-1: Manual operation
6.3 Operating instructions
Ensure free air passage, air flow must be discharged without obstacles.
The discharge direction must be set in such way as to prevent air draughts in the
occupied zone.
An optional fan switch fitted on the unit is only used to deactivate the fan.
This switch is not used as the main isolator or emergency switch.
6.4 Deactivation
Use the control unit to set the speed selection switch (e.g. 983920.3) to "0"
position or use the fan isolator.
FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modifications 27MAXX Vent VX
7 Maintenance
7.1 Maintenance
NOTE!
We recommend to conclude a maintenance contract with a service company.
ELECTRICAL HAZARD!
Switch off all power supply connections of the unit heater and ensure the power can-
not be inadvertently energised.
DANGER OF ROTATING UNIT PARTS!
Wait to allow the fan rotational momentum to cease!
NOTE!
For unit heater maintenance inspections at regular intervals must be observed and
possible malfunctions repaired. Maintenance shall only be performed if the unit is
fully isolated by authorized and qualified staff.
Overview of regular maintenance intervals
The following maintenance intervals shall be observed within the specified periods.
Maintenance
intervals
Components
Twice a year
Quarterly
Annually
Checking air filter* (dirt, damage, odour) x
Checking air intake openings / grilles* x
Checking air discharge openings / grilles* x
Checking fans or fan sections* x
Checking electrical connections x
Checking earthing x
* If necessary, clean and remove foreign objects or replace
Tab. 7-1: Regular maintenance
28 FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modificationsMAXX Vent VX
7.2 Quarterly maintenance
7.2.1 Filter replacement
In case of reduced air flow of the unit heater its filter should be inspected and,
if necessary, replaced or cleaned.
Use the type code on page 3 for ordering a spare filter.
Pos. 1: Roof intake hood
Pos. 2: F5 bag filter
2 • Remove lateral screws and open the top
section of the air intake hood.
• Remove and replace the bag filter
• Close the hood and secure the screws
1
Abb. 7-1: Roof intake hood: ZHx.35xx
Pos. 1: Mat filter module
2 Pos. 2: F5 filter insert
• Loosen filter set by turning quick-action
clamps by 90°.
1
• Pull out the filter assembly.
• Replace the filter insert.
• Close the filter assembly
• Lock by turning quick-action clamps by 90°
Abb. 7-2: Bag filter module: ZHx.36xx
FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modifications 29MAXX Vent VX
7.3 Half-yearly maintenance
7.3.1 Checking fan
Inspection must also comprise fan testing and checking. Make sure that the impeller is
not obstructed and rotating freely while maintaining equal distance (the slit width must
be at least 1% of the impeller diameter) to the inlet nozzle.
30 FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modificationsMAXX Vent VX
7.4 Troubleshooting
Symptom Possible cause Remedy
Fan is not running, fan switch is activated, Unit not switched on Switch on unit
signal LEDs do not light up
No electrical voltage Check fuse/power supply
(technical personnel only)
Electric lines not connected Connect electrical lines
(technical personnel only)
Defective unit fuse Replace fuse
(technical personnel only)
Controller deactivates fan after room tem- Setpoint value changed
perature is reached
Fan is not running, fan switch is activated, Motor protection tripped Check motor temperature, let the motor
signal LED STOP (fault) lights up cool down and activate again (if the prob-
lem remains, investigate reason for over-
heating)
Fan running but air volume too low Air flow blocked or restricted, Ensure free air passage
filter is dirty.
Wrong rotation direction of fan Change rotating direction of fan
Unit too noisy Air intake or discharge areas blocked Clear discharge/air intake of obstructions
or bends
Noisy fan bearings Replace faulty fan
(technical personnel only)
Filter is dirty Clean/replace filter
Controller switches on continuously Controller secured in the wrong location Position controller in appropriate location
(e.g. near an open door, window or adja- where room temperature can be meas-
cent to air discharge grille of MultiMAXX ured representatively
Vent VX) (qualified technical personnel only)
* Repeated activation after elimination of fault:
* First set the speed selection switch to "0" position, then change to the required speed.
If the malfunction cannot be eliminated by the maintenance personnel, please consult
our authorized service department.
FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modifications 31MAXX Vent VX
8 Disassembly and Disposal
ENVIRONMENTAL DAMAGE!
Only qualified licensed staff must dismantle and dispose of the MultiMAXX Vent VX.
8.1 Dismantling
To dismantle the MultiMAXX Vent VX unit proceed as follows:
HAZARDOUS VOLTAGE!
When carrying out decommissioning and dismantling work on the unit heater, dis-
connect all power supply connections, ensure the power cannot be inadvertently
energised and verify that electrical lines have been disconnected. When carrying out
decommissioning and dismantling jobs on the unit, isolate all power supply connec-
tions and ensure that power cannot be inadvertently energised. Earth and isolate all
adjacent live parts. Non-compliance can lead to death or serious injury.
PERSONAL INJURY!
Secure the unit heater against slipping. Relevant shipping instructions for
FläktGroup units must be followed.
8.2 Recycling
RECYCLING!
An authorized appointed contractor specializing in waste processing must dispose
of the MultiMAXX Vent VX unit or its individual components. This appointed contrac-
tor shall ensure that:
• the components are separated according to material types
• the used operating materials are sorted and separated according to their
respective properties.
ENVIRONMENTAL DAMAGE!
Dispose of all operating materials and components in an environmentally-friendly
manner and in compliance with local laws and regulations.
32 FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modificationsMAXX Vent VX
Appendix to the Operation, Installation and Maintenance Manual and Data&Facts Catalogue
By performing regular checks (three times a year at a maximum are required) dust, dirt and foreign matter must be
cleaned and removed. Besides, the protective features must be checked as well. Inspection intervals depend on the
operating conditions of the fan. The implementation of the inspection steps must be stated and confirmed in the current
installation manual.
MultiMAXX Vent VX unit heater ....................................................................................................................................
(specify type for 1st inspection)
Accessories ZH ...................................................................................................................................
(specify type for 1st inspection)
....................................................................................................................................
....................................................................................................................................
Inspection 1 (prior to commissioning) performed by ...................................................... (date, stamp, signature)
Inspection 2 performed by.............................................................................................. (date, stamp, signature)
Inspection 3 performed by.............................................................................................. (date, stamp, signature)
Inspection 4 performed by.............................................................................................. (date, stamp, signature)
Inspection 5 performed by.............................................................................................. (date, stamp, signature)
Inspection 6 performed by.............................................................................................. (date, stamp, signature)
Inspection 7 performed by.............................................................................................. (date, stamp, signature)
Inspection 8 performed by.............................................................................................. (date, stamp, signature)
Inspection 9 performed by.............................................................................................. (date, stamp, signature)
Inspection 10 performed by............................................................................................ (date, stamp, signature)
FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modifications 33MAXX Vent VX 34 FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modifications
MAXX Vent VX
Year of Manufacture:
FläktGroup DC-2009-0132-GB 2018-05/R4 • Subject to modifications 35FG_DC-2009-0132-GB_MAXX-Vent-VX_OM_R4-05-2018 © Copyright 2018 FläktGroup
WWW.FLAKTGROUP.COM MAXX VENT VX
FläktGroup is the European market leader for smart and energy efficient Indoor Air and
Critical Air solutions to support every application area. We offer our customers innovative
technologies, high quality and outstanding performance supported by more than a
century of accumulated industry experience. The widest product range in the market, and
strong market presence in 65 countries worldwide, guarantee that we are always by your
side, ready to deliver Excellence in Solutions.
PRODUCT FUNCTIONS BY FLÄKTGROUP
Air Treatment | Air Movement | Air Diffusion | Air Distribution | Air Filtration
Air Management | Air Conditioning & Heating | Controls | Service
» Learn more on www.flaktgroup.com
or contact one of our officeYou can also read
