Alpha innotec PWZSV Owner's manual

Category
Heat pumps
Type
Owner's manual
UK
83056500pUK – Translation of the original operating manual
Brine/Water Heat Pumps
Brine heat station
Operating Manual
PWZS(V) H1 series
PWZS(V) H3 series
2
Subject to change without notice | 83056500pUK – Translation of the original operating manual | ait-deutschland GmbH
Contents
1 About this operating manual ...................... 3
1.1 Validity ....................................................... 3
1.2 Reference documents ............................... 3
  ........ 3
1.4 Contact ...................................................... 4
2 Safety ............................................................... 4
2.1 Intended use ............................................. 4
  ............................ 4
2.3 Personal protective equipment ................. 4
  ............................................ 4
2.5 Disposal .................................................... 5
2.6 Avoid damage to property ......................... 5
3 Description ...................................................... 6
3.1 Layout ....................................................... 6
3.2 Accessories............................................... 7
3.3 Function .................................................... 8
4 Operation and care ....................................... 8
4.1 Energy and environmentally aware
operation ................................................... 8
4.2 Maintenance.............................................. 8
5 Delivery, storage, transport and
installation ....................................................... 9
5.1 Scope of supply ........................................ 9
5.2 Storage ...................................................... 9
  ........................... 9
5.4 Installation ................................................11
6 Installation and connection ........................11
6.1 Removing the module box .......................11
6.2 Install the module box ............................. 14
6.3 Installing the hydraulic connections ........ 14
6.4 Connect the electrical cables .................. 15
6.5 Installing the control unit ......................... 19
  ...................... 20
7.1 Remove the front panel of
the module box ........................................ 20
  ............... 20
7.3 Vent the circulation pump of the heat
source ..................................................... 21
  ............... 22
  ........................... 23
 
 .................... 23
9 Insulate hydraulic connections ................ 23
  ................................ 24
10.1 For PWZS units ....................................... 24
10.2 For PWZSV units .................................... 24
11 Commissioning ............................................ 25
12 Maintenance ................................................. 26
12.1 Basic principles ....................................... 26
12.2 Maintenance as required ........................ 26
 
condenser ............................................... 26
12.4 Yearly maintenance ................................. 26
13 Faults .............................................................. 26
  ..... 26
  . 27
14 Dismantling and disposal .......................... 27
14.1 Dismantling ............................................. 27
14.2 Disposal and recycling ............................ 27
  .................. 27
Technical data / Scope of supply.................... 28
PWZS 42H3S ................................................... 28
PWZS 82H3S – PWZS 102H3S ...................... 29
PWZS 122H3S ................................................. 30
PWZSV 62H1S – PWZSV 92H1S .................... 31
PWZSV 122H1S ............................................... 32
PWZSV 62H3S – PWZSV 92H3S.................... 33
PWZSV 122H3S – PWZSV 162H3S ................ 34
Performance curves .......................................... 35
PWZS 42H3S ................................................... 35
PWZS 82H3S ................................................... 36
PWZS 102H3S ................................................. 37
PWZS 122H3S ................................................. 38
PWZSV 62H1S /PWZSV 62H3S ...................... 39
PWZSV 92H1S ................................................. 40
PWZSV 122H1S ............................................... 41
PWZSV 92H3S ................................................ 42
PWZSV 122H3S ............................................... 43
PWZSV 162H3S ............................................... 44
Dimensional drawings ....................................... 45
Dimensional drawings ...................................... 45
 ............................. 46
Installation plans ................................................. 47
Hydraulic integration .......................................... 49
Default .............................................................. 49
 ......................................... 50
Legend Hydraulic integration ........................... 51
Terminal diagrams ............................................. 52
PWZS 42H3S – PWZS 122H3S /
PWZSV 122H3S / PWZSV 162H3S ........ 52
PWZSV 62H3S / PWZSV 92H3S..................... 53
PWZSV 62H1S – PWZSV 122H1S .................. 54
Circuit diagrams .................................................. 55
PWZS 42H3S – PWZS 82H3S ........................ 55
PWZS 102H3S – PWZS 122H3S .................... 58
PWZSV 62H3S / PWZSV 92H3S..................... 61
PWZSV 62H1S – PWZSV 122H1S .................. 64
PWZSV 122H3S ............................................... 67
PWZSV 162H3S ............................................... 70
EC Declaration of Conformity ......................... 75
3
Subject to change without notice | 83056500pUK – Translation of the original operating manual | ait-deutschland GmbH
1 About this operating manual
This operating manual is part of the unit.
         
operating manual carefully and follow it for all
activities at all times, especially the warnings and
safety instructions.
Keep the operating manual to hand at the unit and
hand over to the new owner if the unit changes
hands.
If you have any questions or anything is unclear,
        
factory's customer service.
Note and follow all reference documents.
1.1 Validity
This operating manual refers solely to the unit
 Rating

1.2 Reference documents
The following documents contain additional information
to this operating manual:
Planning & design manual, hydraulic integration
Operating manual of the heating and heat pump
controller
Brief description of the heat pump controller
Operating manual of the expansion board

       
manufacturer

      
contact with the manufacturer or the local partner of
the manufacturer.
   

1.3 


Symbol Meaning
Safety-relevant information.
Warning of physical injuries.
DANGER Indicates imminent danger resulting
in severe injuries or death.
WARNING Indicates a potentially dangerous
situation, which can result in severe
injuries or death.
CAUTION Indicates a potentially dangerous
situation, which can result in
moderate or minor injuries.
IMPORTANT Indicates a potentially dangerous
situation, which can result in
property damage.
Symbols in the document
Symbol Meaning

Information for the owner/operator
Requirement for action
Single step action prompt
1., 2., 3., Numbered step within a multi-step
action prompt. Keep to the given
order.
Additional information, e.g. a tip on
  
standards
Reference to further information
elsewhere in the operating manual
or in another document
Listing
4
Subject to change without notice | 83056500pUK – Translation of the original operating manual | ait-deutschland GmbH
1.4 Contact
Addresses for purchasing accessories, for service
cases or for answers to questions about the unit and
this operating manual can be found on the internet at

Germany: www.alpha-innotec.de
EU: www.alpha-innotec.com
2 Safety
Only use the unit if it is in proper technical condition
and only use it as intended, safely and aware of the
hazards, and follow this operating manual.
2.1 Intended use
The unit is solely intended for the following functions:
Heating
Domestic water heating

Proper use includes complying with the operating
 Technical data / Scope of supply,
      
noting and following the reference documents.
When using the local regulations note: laws,
standards, guidelines, directives.
All other uses of the unit are not as intended.
2.2 
The operating manuals supplied with the product are
intended for all users of the product.
The operation of the product via the heating and he-
-
tended for end customers / operators is suitable for all
age groups of persons who are able to understand the
activities and the resulting consequences and can car-
ry out the necessary activities.
Children and adults who are not experienced in hand-
ling the product and do not understand the necessa-
ry activities and the resulting consequences must be
instructed and, if necessary, supervised by persons
experienced in handling the product and who are re-
sponsible for safety.
Children must not play with the product.

All instructional information in this operating manual is

        

     
injuries and damage to property.
Ensure that the personnel is familiar with the local
regulations, especially those on safe and hazard-

      
        
electronics.
        

Heating installer
Plumbing installer
   

During the warranty and guarantee period, service

authorised by the manufacturer.
2.3 Personal protective equipment
 
of the unit.
Wear cut-resistant protective gloves during
transport.
2.4 

Components in the unit are live with life-threatening
voltage. Before opening the unit panelling:
Disconnect unit from power supply.
 
For PWZSV units: Residual voltage at the inverter.
Wait for 90 seconds before opening the unit.
5
Subject to change without notice | 83056500pUK – Translation of the original operating manual | ait-deutschland GmbH
Existing earthing connections within housings or on
mounting plates must not be altered. If this should ne-
vertheless be necessary in the course of repair or as-

Restore earthing connections to their original con-


explosive atmospheres
Constituents of antifreeze mixtures, e.g. ethanol,

atmosphere:
mix antifreeze in well-ventilated rooms.
      
comply with the relevant safety regulations.
Injuries and environmental damage due to
refrigerant
The unit contains harmful and environmentally

1. 
2. Thoroughly ventilate installation room.
3. Notify authorised customer service.
2.5 Disposal
Batteries
       
environment.
 
compatible way according to the local regulations.
Media harmful to the environment
Improper disposal of environmentally harmful media

Collect media safely.
Dispose of the media in an environmentally com-
patible way according to the local regulations.
2.6 Avoid damage to property
Decommissioning/draining the heating
If the system/heat pump is decommissioned or drained
        
the condenser and any heat exchangers have been
drained completely for the event of freezing temper-
atures. Residual water in heat exchangers and con-
densers can result in damage to the components.
Completely drain the system and the condenser,
and open vent valves.
Blow them clear with compressed air, if required.
Improper action
Requirements for minimum scale and corrosion
damage in hot water heating systems:
Proper planning, design and start-up
Closed system with regard to corrosion
Integration of adequately dimensioned pressure
retention
with
water corresponding to VDI 2035 only
Regular servicing and maintenance
If a system is not planned, designed, started up and
operated according to the given requirements, there is

Malfunctions and the failure of components, e.g.
pumps, valves
      
exchangers
    
components, e.g. heat exchanger, pipes, pumps
Material fatigue
Gas bubbles and gas cushion formation


coatings, deposits, and associated noises, e.g.

Note and follow the information in this operating

6
Subject to change without notice | 83056500pUK – Translation of the original operating manual | ait-deutschland GmbH

water in the heating circuit
          
generator and the heating components depend
decisively on the quality of the heating water.
        
calcium precipitates as scale. Limescale deposits
form on the heat transfer surfaces of the heating. The
       
cases the heat exchangers are damaged.
Fill the system with deionised heating water
       

Unsuitable quality of the water in the domes-

Ensure that the electrical conductivity of the


Unsuitable quality of the water or the water-
antifreeze mixture in the heat source
PWZS units
-
-
mitted
For operation of the heat source with water or
water-antifreeze mixture, ensure that the water

water side.

PWZSV units
Use of pure water in the heat source is not permit-
ted
For operation of the heat source with a water-
antifreeze mixture, ensure that the water used
      
water side.

3 Description
3.1 Layout
NOTE
This section essentially names the
     
described in this operating manual.
Heat station
 
 
3 3-way changeover valve for heating circuit/hot
water
4 Electrical switch cabinet
7
Subject to change without notice | 83056500pUK – Translation of the original operating manual | ait-deutschland GmbH
 
 
7 Module box
8 Heating circuit/hot water circulation pump
9 Electric heating element
10 Manual power regulation electric heating

Rating plate
Rating plates are attached to the following places on
the unit:
at the top of the heating station
left-hand side, on the module box
The rating plate contains the following information at
the top:
Unit type, product number
Serial number, unit index
The rating plate also contains an overview of the most
important technical data.
Module box
1 Carrying straps
2 Heat source inlet
3 Heat source outlet
4 Heating return
5 Vibration isolator
6 Evaporator
7 Heat source circulation pump
 
 
10 Compressor
11 Condenser
12 Heating feed
NOTE
The hose connectors are not part of the
scope of delivery with all KFE ball valves.
Control unit

 
 
3 cover
Connections
The connections are located on the underside of the
control unit:
1 Connection room control unit

 
3 Connection LIN bus to the regulator board
4 RJ45 connection not assigned
3.2 Accessories
The following accessories are available for the unit
through the manufacturer’s local partner:

a cooling function
Room thermostat for switching the cooling

Dew point monitor for protecting a system with

Expansion board
impressed current anode
8
Subject to change without notice | 83056500pUK – Translation of the original operating manual | ait-deutschland GmbH
3.3 Function
     
energy for this process is environmental heat and
      
borehole heat exchanger or groundwater via
     
     
to rise and therefore the temperature too. The


Here the high temperature is discharged to the heating
water and is used in the heating circuit. The liquid
refrigerant with high pressure and high temperature
      
temperature drop and the process begins again.
Due to the integrated changeover valve and the
     
heated heating water can be used for charging the
domestic hot water or for heating the building. The
temperatures required and use are controlled by the
heat pump controller. Reheating, drying out screed or
increasing the domestic hot water temperature can
be carried out using the integrated electric heating
element, which is activated by the heat pump controller
as and when necessary.
       
pump does not switch to high-pressure fault if all
heating circuits are closed. The integrated vibration
isolators for the heating circuit and heat source
prevent structure-borne sound and vibrations from
       
into the building.
Cooling
        
     
      operating


Control of the cooling function via the heating and
heat pump controller
Automatic switching between heating and cooling
mode

The control can be connected to a computer or
        
pump controller can then be controlled from the

4 Operation and care
NOTE
The unit is operated via the control of
the heating and heat pump controller
operating manual of the heating and heat

4.1 Energy and environmentally
aware operation
The generally accepted requirements for energy-
aware and environmentally-aware operation of a
heating system also apply to use of a brine/water heat
pump. The most important measures include:

No unnecessarily high domestic hot water

Do not open windows with gap /tilt open


4.2 Maintenance
Wipe down the outside of the unit only using a damp
    

abrasive, acid or chlorine-based cleaning products.
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Subject to change without notice | 83056500pUK – Translation of the original operating manual | ait-deutschland GmbH
5 Delivery, storage, transport
and installation
IMPORTANT
Damage to the housing and the unit components
due to heavy objects.
Do not place any objects on the unit which are
heavier than 30 
5.1 Scope of supply
NOTE
On delivery the accessories are enclosed in

      
outwardly visible damage and completeness.
Notify supplier of any defects immediately.


3 of this manual
Control unit, consisting of:

For wall-mounting: 3 screws and 3 wall plugs
For mounting on the unit: 4 screws, 2 cable ties,
strain relief
Safety valve, outdoor sensor
 Clamping ring installation
only allowed with copper pipe
Spare parts after removal of module box:




5.2 Storage
        
directly before installation.
Store unit protected against:
Moisture/damp
Frost
Dust and dirt
5.3 
NOTE
The module box can be removed for transport

Notes on safe transport
The heating station and the module box are
 “Technical data / Scope of supply, from
page 28         
property if the housing with the unit components falls
or overturns or if the module box falls.
The heating station and module box must be
transported and installed by several persons.
Secure the heating station during transport. Carry
the module box by the carrying lugs.
 
of the unit.
Wear cut resistant protective gloves.
The hydraulic connections are not designed for
mechanical loads.
Do not lift or transport the unit by the hydraulic
connections.
If the module box is tilted by more than 45°, compressor
oil runs into the cooling circuit.
Do not tilt the unit with installed module box by
more than 4.
       
alternatively with a handcart.

Transport the unit to the place of installation

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Subject to change without notice | 83056500pUK – Translation of the original operating manual | ait-deutschland GmbH

NOTE

  
and dismantling the housing panels.
1.        
damage the unit.
2.       

way according to local regulations.
3.         
front panel in the place of installation.
Dismantle housing panels for transport with
handcart or carrying the unit
 
To avoid damage to the housing panels:
1. Undo 2 screws at the bottom of the front panel.
Lift up the front panel and put it down in safe
place.
2. Undo 3 screws at the right panel.
Lift up the side panel and put it down in safe place.
3. Undo 3 screws at the left panel.
Lift up the side panel and put it down in safe place.
8x
1.
2.
3
Transport with a handcart
NOTE
If transporting with a handcart the module
box must be pushed in.
     
shows transporting the unit on its left-hand
side; it can also be transported on its right-
hand side.
Housing panels are dismantled.
To avoid damage: On a handcart, load the unit on its
side only.
807270
1
2
Transport unit on the handcart.
Carrying the unit
Housing panels are dismantled.
1.  Removing the module
        
to the place of installation.
2. Carry the housing with the unit components
separately to the place of installation.
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Subject to change without notice | 83056500pUK – Translation of the original operating manual | ait-deutschland GmbH
5.4 Installation
Installation room and space requirements
NOTE
Note and follow the local regulations and
standards regarding the installation room
and space requirements. The table shows
the regulations as per EN 378-1 relevant in
Germany.
Refrigerant Limit [kg/m³]
R 134a 0.25
R 404A 0.52
R 407C 0.31
R 410A 0.44
R 448A 0.39
Technical data / scope of supply” , “General unit
data.
Minimum room volume =


NOTE
If several heat pumps of the same type are
installed only one heat pump need to be
  
      
pump with the largest refrigerant volume

Minimum volume corresponds to the require-
ments for the refrigerant used.
Installation inside the building only.
Installation room is dry and frost-free.
Clearance dimensions are met
“Installation plans“, from page 47

unit:
level and horizontal
load-bearing capacity for the unit’s weight
Aligning the unit
Align the unit horizontally and stably in the
installation site using the height-adjustable feet
and a spanner size SW 13. Adjustment range:
25 mm.
6 Installation and connection
6.1 Removing the module box
IMPORTANT
If the module box is tilted by more than 45°,
compressor oil runs into the cooling circuit.
Do not tilt the module box by more than 45°.
The module box contains the whole cooling circuit of
the heat station.

and transport easier.
1. Remove the front panel by undoing the two
screws at the bottom and pulling out the front pan-
el from the top. Put down safely.
IMPORTANT
Only if the heat pump is already connected

Drain the module box.

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Subject to change without notice | 83056500pUK – Translation of the original operating manual | ait-deutschland GmbH
2. 
For 400V units:
pull the connector apart.
For 230V units:
       
The large white plug is at the bottom and must be

Otherwise the same as for 400 V units.
3. Remove the insulation on the rear pipes on the
        
cutting through the cable ties and removing the in-
sulation hoses.
4. Disconnect the hydraulics.
Undo the clips.
1 Clips
5.        -
ible pipes downwards as far as possible so that
the connection is unplugged.
The heating feed at the front left-hand side must
be unscrewed.
Lift the nut when removing the module box so that
the pipes are not damaged.
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Subject to change without notice | 83056500pUK – Translation of the original operating manual | ait-deutschland GmbH
6. Undo the two screws at the side.
7. Pull the heat pump heating connections at an an-

8. Grip the module box at the bottom and pull it out
from the front until the looped straps are accessible.
9. (③)
more easily: place boards (④) under it, e.g. from

10. Lift and hold nut (①)
11. Slowly and carefully pull out the module box by
the carrying lugs (②).
IMPORTANT
Ensure that none of the pipes are damaged.
12. Pull out the module box completely and place it
on the boards.
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Subject to change without notice | 83056500pUK – Translation of the original operating manual | ait-deutschland GmbH
6.3 Installing the hydraulic
connections
IMPORTANT
The heat source system must be installed
in accordance with the planning manual
requirements.
Planning manual / Hydraulic integration
For details of the heat source and heating side con-
nections, see
“Dimensional drawings“, page 45,
and “Installation plans“, from page 47
.
NOTE
The heat source can be connected from the
top, right or left.
If the heat source will be connected at the side, the
cables can be cut to a residual length of at least
250 mm from the edge of the device
.
“Dimensional drawings“, page 45
IMPORTANT
Damage to the copper pipes due to unacceptable
loading!
Secure all connections against twisting.
The heat source system has been installed in
 planning &
design manual, dimensioned diagrams,

Cross-sections and lengths of the pipes for the
heating circuit and heat source are dimensioned
adequately.
The free pressure of the circulation pumps
produces at least the minimum throughput
     Technical data /
Scope of supply, from page 28
The cables for the heat source and the heating

6.2 Install the module box
Install the module box in the reverse order.
When re-installing the box, replace the O-rings
of the heat pump connections with the O-rings
supplied:


The pipes must be insulated again: use the in-
sulation hoses supplied.
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Subject to change without notice | 83056500pUK – Translation of the original operating manual | ait-deutschland GmbH
6.4 Connect the electrical cables
IMPORTANT
Irreparable damage to the compressor due to

  
the compressor load infeed.
Basic information on the electrical connection
NOTE
Ensure that the unit is supplied with electricity

attaching the unit panelling, switch the power

      
company may apply to electrical connections
Fit the power supply for the heat pump
    
      

Note the level of the tripping current
 Technical data / Scope of supply, from
page 28
Comply with the electromagnetic compatibility

Lay unshielded power supply cables and shielded

Maximum line length: 30 m.
The LIN-bus cable must be a shielded cable of at
least 4 x 0.5 mm²

valves
IMPORTANT

force!
1. -
tion.
2. 

3. Push the pipe through the clamping ring up to the

4. Tighten the union nut hand-tight and attach wa-

5. 
6. 

1. 
2. Tighten the union nut hand-tight and retighten

the clamping ring is already in a clamping posi-
tion.
Connect the unit to the heat source, domestic
water pipes and heating circuit
1.      
heat source and heating circuit.
2. Insert the vent at the highest point of the heat
source and the heating circuit.
3.       
0.9 mm onto the heat source inlet.
4. 
the local regulations.
5. Recommendation: To balance out pressure
     
unnecessary loss of water, install an expansion

6. Ensure that the operating overpressures
Technical data / Scope of supply, from
page 28     
reducer if necessary.
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Subject to change without notice | 83056500pUK – Translation of the original operating manual | ait-deutschland GmbH
Terminal reconnection process
1 x cable / 3 x cables
1. Pull out the pre-installed load cable from the front
and at the same time, pull in 3x load cables from
above
2. Ensure appropriate fuses depending on the con-
nection
3.       

X10
X9
1 Electric heating element controller
 
X9 Connection terminal
2 Manual power regulation electric heating

3 Electric heating element

the connections
1. Strip the sheathing of all cables to the external
loads before laying in the cable duct of the control
box.
2. Open electrical switchbox:
Undo 2 screws at the top of the cover panel of
the electrical control box

3. Lay the control / sensor cables and unit supply
cable and connect:
Route cables through the reserve conduits (①)
and (②) only, from above into the inside of the
unit
NOTE

4. Route cables from underneath through the cable
openings in the control box.
5. Connect cables to the respective terminals
Terminal diagrams“, from page 52, and
“Circuit diagrams“, from page 55
17
Subject to change without notice | 83056500pUK – Translation of the original operating manual | ait-deutschland GmbH
PWZS...H3S, PWZSV 122H3S,
PWZSV 162H3S
1 Supply cable
external wiring internal wiring
PE
PE
L1 L1
1L1
L
L2 L2
1L2
L3 L3
1L3
N 1N1
1N2
1N3
N
PE PE
PE
X10
X9
3 Supply cables
external wiring internal wiring
L
N
N
PE
PE control PE
L1 compressor L1
L1 heating element 1L1
L control L
L2 compressor L2
L2 heating element 1L2
L3 compressor L3
L3 heating element 1L3
N Heating element 1N1
1N2
1N3
N control N
PE compressor PE
PE heating element PE
X9
X10
PWZSV 62H3S
1 Supply cable
external wiring internal wiring
PE
PE
L1 1L1
L
L2
L2 1L2
L3 1L3
1N
1N1
1N2
1N3
N N
PE PE
PE
X9
X10
3 Supply cables
external wiring internal wiring
PE
PE control PE
L1 heating element 1L1
L control L
L2 compressor L2
L2 heating element 1L2
L3 heating element 1L3
N compressor 1N
1N1
1N2
1N3
N control N
PE compressor PE
PE heating element PE
X9
X10
= Jumper
4.      
close the switching box inside the unit.
5. Close the front panel of the unit, provided no fur-


18
Subject to change without notice | 83056500pUK – Translation of the original operating manual | ait-deutschland GmbH
Electric heating element control
NOTE

Heat pump fuses
The fuses below apply to the as-delivered condition only. If additional loads are connected to the controller the max-
imum fuse must always be used.
The heating element control setting is made in the controller, under System Settings.
3~400V
WP capacity Compressor current C10 C16 C20 C25
 4.8
3500 W 7500 W 9000 W 9000 W
 5
3500 W 7500 W 9000 W 9000 W
 6
3000 W 7000 W 8000 W 9000 W
 12
X 3000 W 4500 W 7500 W
 7.6
2500 W 6000 W 7500 W 9000 W
 9.5
X 6000 W 6500 W 9000 W
 12
X 3000 W 4500 W 7500 W
 9
X 5000 W 6500 W 9000 W
 10
X 4500 W 6000 W 8500 W
1~230V: only heating element
B20 current B25 current B32 current B40 current B50 current
3500
W
17.75 A 4500
W
22.83
A
6000
W
30.43
A
7500
W
3804.00
A
9000
W
45.65
A
19
Subject to change without notice | 83056500pUK – Translation of the original operating manual | ait-deutschland GmbH
IMPORTANT
      
only vertically on a wall!
2.  

Wall-mounting“, page 46
3. 
4. The LIN bus cable is routed from the top right-
hand side at the rear from the heat pump and is
plugged into the control part at the bottom.
“Connections“, page 7
Mounting on the unit
1. Remove the front panel.
IMPORTANT
The front panel must be removed to avoid
damage in the unit!
2.          
through the metal sheet.
Mounting on the unit, page 46
6.5 Installing the control unit
If the heat pump is ready for use, the control unit must be
(①) or onto the front of the units (②).
         
the control unit so that it can be pushed onto the wall-

Wall-mounting
1.         

When routing cables from underneath, you must
        

20
Subject to change without notice | 83056500pUK – Translation of the original operating manual | ait-deutschland GmbH
7 
7.1 Remove the front panel of
the module box
Unscrew the front panel of the module box.
7. 2 
Frost protection must be provided in the heat source.
Below are the approved antifreeze agents based on:
Monopropylene glycol
Monoethylene glycol
Ethanol
Methanol
Antifreeze agents based on salt are not permitted.
When selecting the antifreeze agent, it must be
ensured that it is compatible with the following
materials:








3. Drill the hole for the cable penetration and insert

4.     

5. 
6. 
    

7.         
front panel can still be leant against the right or
left hand side.
The LINBus cable must be around 10 cm shorter
than the other cables:
8. 


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Alpha innotec PWZSV Owner's manual

Category
Heat pumps
Type
Owner's manual

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