AIT HDV 9-1/3 User manual

UK
83059200dUK – Translation of the original operating manual
Operating Manual
Hydraulic module
Accessory for
heat pumps

2Subject to change without notice | 83059200dUK – Translation of the original operating manual | ait-deutschland GmbH
Table of contents
1 About this operating manual .........................3
1.1 Validity..............................................................3
1.2 Reference documents ...................................3
1.3 Symbols and markings..................................3
1.4 Contact ............................................................4
2 Safety .......................................................................4
2.1 Intended use ...................................................4
2.2 Personnelqualications................................4
2.3 Personal protection equipment....................4
2.4 Residual risks .................................................4
2.5 Avoid damage to property ............................4
3 Operation and maintenance..........................5
3.1 Energy and environmentally-conscious
operation..........................................................5
3.2 Maintenance ...................................................5
4 Scope of supply...................................................6
4.1 Accessories.....................................................6
4.2 Components of the unit.................................7
5 Transport, installation and assembly.........8
5.1 Unpacking and transport ..............................8
5.2 Installation location ........................................8
5.3 Installation / hydraulic connection
to heating circuit .............................................9
5.4 Safety module.................................................9
5.5 Expansion vessel ...........................................9
6 Electrical installation .......................................10
7 Installing the control panel ...........................12
8 Flushing,llingandventing
the system............................................................13
8.1 Heating water quality...................................13
8.2 Flushandlltheheatingand
domestic hot water charging circuit...........13
9 Insulate hydraulic connections ...................15
10 Settheoverowvalve ....................................15
11 Commissioning..................................................15
12 Faults......................................................................15
12.1 Unlock safety temperature limiter..............15
13 Dismantling and disposal..............................16
13.1 Dismantling ...................................................16
13.2 Disposal and recycling ................................16
Technical data / Scope of supply.............. 17
HV .....................................................................17
HDV ......................................................................18
Free pressing......................................................19
Dimensioned drawings and
drill patterns.......................................................20
H(D)V 9-1/3..............................................................20
H(D)V 12-3...............................................................21
Installation plans ...............................................22
Terminal diagrams............................................23
HV .....................................................................23
HDV ......................................................................24
Terminal diagram, mains connection
heat pump 1~230V
+ electric heating element 3~400V ...........25
Terminal diagram, mains connection
heat pump 1~230V
+ electric heating element 1~230V............26
Terminal diagram, mains connection
heat pump 3~400V
+ electric heating element 3~400V ...........27
Circuit diagrams ................................................28
HV .....................................................................28
HDV ......................................................................30

3
Subject to change without notice | 83059200dUK – Translation of the original operating manual | ait-deutschland GmbH
1 About this operating manual
This operating manual is part of the unit.
►Before working on or with the unit, read the
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 pass on to the new owner if the unit changes
hands.
►If you have any questions or anything is unclear,
ask the manufacturer’s local partner or the
factory’s customer service.
►Note and follow all reference documents.
1.1 Validity
Thisoperatingmanualreferssolelytotheunitidentied
by the nameplate and device label (see “Nameplate”
and “Drill-hold pattern” on page 19).
1.2 Reference documents
The following documents contain additional
information with regard 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
(accessories)
●Log book
●Heat pump manual
1.3 Symbols and markings
Identicationofwarnings
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.
ATTENTION Indicates a potentially dangerous
situation, which can result in
property damage.
Symbols in the document
Symbol Meaning
Informationforqualiedpersonnel
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
making work easier, information on
standards
Reference to further information
elsewhere in the operating manual
or in another document
●Listing

4Subject to change without notice | 83059200dUK – 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 and
are kept up-to-date:
●www.ait-deutschland.eu
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 hot water preparation
►Intended use includes complying with the
operating conditions ( „Technical data /
Scope of supply“, from page 17) as well as the
operating manual and observing 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 Personnelqualications
All instructional information in this operating manual is
solelydirectedatqualied,skilledpersonnel.
Onlyqualied,skilledpersonnelareabletocarryout
the work on the unit safety and correctly. Interference
by unqualied personnel can cause life-threatening
injuries and damage to property.
►Ensure that the personnel are familiar with the
local regulations, especially those on safe and
hazard-aware working.
► Only allow qualied personnel with “electrical”
training to carry out work on the electrical and
electronic systems.
► Allow qualied, skilled personnel only to do any
other work on the system, e.g.
●Heating installer
●Plumbing installer
●Refrigeration system installer (maintenance
work)
During the warranty and guarantee period, service
work and repairs may only be carried out by personnel
authorised by the manufacturer.
2.3 Personal protection equipment
There is a risk of cutting your hands on sharp edges
of the unit.
►Wear cut-resistant protective gloves during
transport.
2.4 Residual risks
Injuries caused by electric shock
Components in the unit are energised with life-
threatening voltage. Before opening the unit panelling:
►Disconnect unit from power supply.
►Secure unit against being switched back on again.
2.5 Avoid damage to property
Improper action
Requirements for minimum scale and corrosion
damage in hot water heating systems:
●Proper planning, design and commissioning
●Closed system with regard to corrosion
●Integration of an adequately dimensioned
pressure maintaining device
●Use of deionised heating water (VE water) or
VDI 2035 water
●Regular servicing and maintenance
If a system is not planned, designed, started up and
operated in accordance with the given requirements,
then there is a risk that the following damage and
faults will occur:
●Faults and the failure of components, e.g. pumps,
valves
●Internal and external leaks, e.g. from heat
exchangers
●Cross-section reduction and blockages in
components, e.g. heat exchanger, pipes, pumps

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Subject to change without notice | 83059200dUK – Translation of the original operating manual | ait-deutschland GmbH
●Material fatigue
●Gas bubbles and gas cushion formation
(cavitation)
● Negativee󰀨ectonheattransfer,e.g.formationof
coatings, deposits, and associated noises, e.g.
boilingnoises,ownoises
►Note and follow the information in this operating
manual for all work on and with the unit.
Unsuitablequalityofthellandmake-up
water in the heating circuit
Thee󰀩ciencyofthesystemandtheservicelifeofthe
heat generator and the heating components depend
decisively on the quality of the heating water.
Whenthesystemislledwithuntreateddrinkingwater,
calcium precipitates as scale. Lime scale deposits
form on the heat transfer surfaces of the heating. The
e󰀩ciency drops and energy costs rise. In extreme
cases, the heat exchangers will be damaged.
Fill the system exclusively with deionised heating
water (VE water) or VDI 2035 water.
3 Operation and maintenance
NOTE
The unit is operated via the control panel
of the heating and heat pump controller
(operating manual of the heating and heat
pump controller).
3.1 Energy and environmentally-
conscious operation
The generally accepted requirements for energy-
conscious and environmentally-conscious operation
of a heating system also apply to use of a heat pump.
The most important measures include:
● Nounnecessarilyhighowtemperature
●No unnecessarily high domestic hot water
temperature (note and follow local regulations)
●Do not open windows with just a gap or tilt open
(continuous ventilation); instead, open wide for a
short time (shock ventilation)
●Always ensure that the controller settings are
correct
3.2 Maintenance
Wipe down the outside of the unit only using a damp
cloth or cloth with mild cleaning product (washing-up
liquid, neutral cleaning agent). Never use any harsh,
abrasive, acid or chlorine-based cleaning products

6Subject to change without notice | 83059200dUK – Translation of the original operating manual | ait-deutschland GmbH
4 Scope of supply
3
2
1
1 Accessory package
2 Safety module
3 Hydraulic module
Example of layout of the accessory package:
1 Hanger bolts (M10) for wall mounting (3)
2 Ball valves (2)
3 Flat seal 1 ʺ (2)
4 Outdoor sensor
5 Nuts (M10), washers (3 each)
6 Plugs for wall mounting (3)
1. Inspect the delivery for outwardly visible signs of
damage.
2. Inspect the scope of supply for completeness.
Any defects or incorrect deliveries must be
reported immediately.
4.1 Accessories
The following accessories are available for the unit
through the manufacturer's local partner:
●Expansion board with various additional functions
●Room control panel for controlling the main
functions from the living room
●Electrical connection kit
●Domestic hot water tank
●Bu󰀨ertank

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Subject to change without notice | 83059200dUK – Translation of the original operating manual | ait-deutschland GmbH
4.2 Components of the unit
2 versions of the hydraulic module are available:
H(D)V 9-1/3: H(D)V 12-3:
1Heatingcircuitllinganddrainvalve
2Supply outlet
3Supply sensor
4Heatingcircuitrecirculatingpump(energye󰀩cientcirculationpump)
5Expansion vessel
6Control voltage (for dual heat pump only)
7Electric heating element
8Air separator
9Heating circuit safety module (insulated)
10 Control panel for regulating
11 Electrical switch box
12 Supply inlet
13 Draining

8Subject to change without notice | 83059200dUK – Translation of the original operating manual | ait-deutschland GmbH
5 Transport, installation and
assembly
5.1 Unpacking and transport
Notes on safe transport
The unit is heavy (refer to „Technical data / Scope of
supply“, from page 17). There is a risk of injuries or
damage to property if the unit falls down or overturns.
There is a risk of cutting your hands on sharp edges
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.
Transport the unit preferably with a pallet truck,
alternatively with a handcart or by carrying
To prevent damage during transport, always transport
the unit to nal installation location in its original
packaging.
ATTENTION
The unit must neither be lifted up nor transported
by the switch box.
www.alpha-innotec.de
D - 95359 Kasendorf
Industriestraße 3
Alpha-InnoTec GmbH
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Transport with a pallet truck
►Transport the device to the installation location
while it is still packaged.
Transport with handcart
1. Load the hydraulic module with the underside of
the unit on the handcart.
2. Secure the hydraulic module to the handcart with
lashing straps.
Carrying the unit
►Transport the hydraulic module to the installation
location.
Unpacking
1. Remove plastic lms and cardboard. Ensure that
you do not damage the unit.
2. Dispose of the transport and packaging material
in an environmentally friendly way and in
accordance with local regulations.
INSTALL ATION
5.2 Installation location
ATTENTION
Install the unit inside buildings only.
The installation area must be frost-free and dry. It must
fulltherelevantlocalregulations.
Observe safety and service clearances.
“Installation plans“, page 22 and „Dimensioned
drawings and drill patterns“, from page 20
ATTENTION
Ensure the wall has the necessary load-bearing ca-
pacity.
Possible installation situation, example HV 9-1/3 with
integration of storage tank in series
1 Hydraulic module
2 Bu󰀨ertank
3 Domestic hot water tank
1. Mark holes to be drilled with the help of the drill-
hole template.
2. Takeo󰀨thefronthood.
3. Use the plugs and screws supplied to x the
hydraulic module onto the wall:

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Subject to change without notice | 83059200dUK – Translation of the original operating manual | ait-deutschland GmbH
The plugs supplied are only suitable for use with the
following types of walls:
●Concrete
●Solid lightweight concrete blocks
●Cavity block made of lightweight concrete
●Cellular concrete
●Prestressedconcrete-hollowceiling/oorslabs
●Natural stone with dense, close-grained micro-
structure
●Solid calcium silicate blocks
●Perforated calcium silicate blocks
●Solid bricks
●Vertically perforated (honeycomb) bricks
● Hollowoors/ceilingsmadeofclaybricks,con-
crete or similar
●Solid gypsum boards
● Gypsumboardsandgypsumbreboards
●Particle boards
The board material must be dimensioned with
su󰀩cientthicknesstoensuresecurexing.
Appropriate xing material must be provided on site
for other types of wall constructions.
ATTENTION
Leaving a gap between the unit and the wall helps
back ventilation and may not be sealed or closed
o󰀨.
Cable glands must be laid at a distance of at least 2
cm from the hydraulic module.
5.3 Installation / hydraulic connection
to heating circuit
NOTE
Before connection to the heating system, the
heatingcircuitmustbethoroughlyushed.
„Dimensioned drawings and drill patterns“, from
page 20
►Secure all connections against twisting.
Cross-sections and lengths of the pipes for the
heating circuit are adequately dimensioned.
In
doing so, always that the connection pipework
between the heat pump and hydraulic module are
also taken into account
The free pressing of the recirculating pump
produces at least the minimum throughput
required for the unit type (refer to “Free pressing”,
page 19).
Thecablesfortheheatingarexedtothewallor
ceilingviaaxedpoint.
►Insert the vent at the highest point of the heating
circuit.
► Take o󰀨 the hood at the front of the hydraulic
module.
On the inside of the hood, there is a tongue-and-
groove joint along the circumference.
Lock the hood into the groove on the housing.
The connections for the heating circuit are located on
the underside of the device.
5.4 Safety module
The safety module for the heating circuit is in the extra
box.
Install the safety module at the connection provided
on the top of the device.
The safety discharge of the safety valve must be
discharged into the drain via a funnel waste trap in
accordance with the respective current standards,
guidelines and directives.
It is essential that the safety discharge is connected!
5.5 Expansion vessel
The expansion vessel for the heating circuit is
integrated. Always check whether the size of the
expansion vessel is large enough for the system.
If necessary, an additional expansion vessel must
be installed on site in accordance with the relevant
standards and guidelines.
NOTE
The admission pressure of the expansion
vessel must be adjusted to the system
(approx. 0.5 bar less than the system lling
pressure) in accordance with the calculation
to the relevant standards (EN 12828).

10 Subject to change without notice | 83059200dUK – Translation of the original operating manual | ait-deutschland GmbH
6 Electrical installation
6.1 Connect the electrical cables
ATTENTION
Irreparable damage to the compressor due to
wrongrotatingeld!
► Ensurethatthereisaclockwiserotatingeldfor
the compressor load infeed.
Basic information on the electrical connection
● The specications of the local energy supply
company may apply to electrical connections
●Fit the power supply for the heat pump with an
all-pole circuit breaker with at least 3 mm contact
spacing (per IEC 60947-2)
●Note the level of the tripping current
●Comply with the electromagnetic compatibility
regulations (EMC regulations)
●Lay unshielded power supply cables and shielded
cables(buscable)su󰀩cientlyfarapart(>100mm)
●Maximum line length: 30m
Cable extension details see heat pump manual
Establish the electrical connections between
the heat pump and the hydraulic module
1. Route the two plug-in connections of the load and
bus cables from the hydraulic module to the plug-
in points on the heat pump.
NOTE.
For dual output-controlled heat pumps, the
lines (8 m) are already connected to the heat
pump.
2. Couple the connectors together:
3. Fit cover for plug-in connections.
6.2 Electrical connection
The electrical connection is established via the switch
box.
1. Strip the sheathing o󰀨 all cables to the external
loads before laying in the cable gland of the glands
box.
2. Feed the cable on the rear of the hydraulic module
through the cable gland in the switch box.
3. Open the switch box in the unit.
Only slightly undo the top two screws of the cover
plate. Remove the remaining screws. Unhook
cover panel.
4. Feed the control and sensor cable as well as
the cable for the EVU blocking time through the
glands on the rear of the unit and into interior
of the device. Lay the cables through the cable
gland to the terminals in the switch box.
5. Carry out electrical connections in accordance
with the terminal diagram.
“Terminal diagram” for the respective model, from
page 23
Example HV 9-1/3:
1 Connection, bus cable EVS/EVS8
2 Connection, load cable EVS/EVS8
3 Cable glands
4 Contactor
5 Control panel
6 Cable routing
7 Returnowsensor

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Subject to change without notice | 83059200dUK – Translation of the original operating manual | ait-deutschland GmbH
1 Supply to heating circuit / domestic hot water
tank
2 Return sensor on hydraulic module
3 Supply from heat pump
4 Return to heat pump
Fasten return ow sensor (2) to the return (heat-
conducting pipe) to the heat pump (4) using cable ties
and thermal compound.
Hydraulic integration documents
The electrical connection between the heat pump and
hydraulic module is implemented via EVS or EVS8
(accessories). In dual variants, the lines (8 m) and
plugs are included in the scope of delivery.
The hydraulic module is connected on site to the sub-
distribution according to the following scheme:
5
1 Heat pump
2 Load Compressor
3 Bus (shielded)
4 Control voltage (for dual heat pump only)
5 Hydraulic module
6 Heating element load line
7 Control voltage
8 Load Compressor
9 Sub-distribution
“Terminal diagram” for the respective model, from
page 23
NOTE
The control panel of the heating and heat
pump controller can be connected to a
computer or network using a suitable network
cable, enabling the heating and heat pump
controller to be controlled remotely from
there.
If such a connection is required, then install
a shielded network cable (category 6,
with RJ45 connector) during the electrical
connection work and connect it parallel to the
existing control cable of the heating and heat
pump controller.
NOTE
In units with integrated electric heating
element, the electric heating element is
connected at 9 kW (6kW) in the factory.
At contactor Q, it is possible to select 6 kW
(4kW) = 2 phase operation. Disconnect
Q5/6 for this. Or 3kW (2kW) = 1 phase
operation. Disconnect Q5/6 and Q5/4 for this.
The values in brackets are for the 6kW
heating element. Disconnected cables must
be furnished with screw terminals. Only the
phases cited above may be disconnected
(safety temperature limiter).

12 Subject to change without notice | 83059200dUK – Translation of the original operating manual | ait-deutschland GmbH
7 Installing the control panel
There are 4 openings in the top area of the switch box
panel of the unit for fastening the control panel.
Example for HV 12-3
1. There are 4 hooks at the rear of the control panel,
which are used to hook the control panel onto the
switchgear compartment panel:
2. Press the hooked in control panel downwards
until it latches into position.
3. Plug control cable into the bottom of the control
panel.
1 Room control panel RBE RS 485 (accessory)
connection
2 Network cable connection
3 LIN-bus cable connection to the controller
board
4 Modbus cable to Modbus distributor
connection

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Subject to change without notice | 83059200dUK – Translation of the original operating manual | ait-deutschland GmbH
8 Flushing,llingandventing
the system
8.1 Heating water quality
NOTE
●Detailed information is also provided in VDI
Guideline 2035 “Vermeidung von Schäden
in Warmwasserheizanlagen” (Avoiding
damage to hot water heating systems)
●Required pH value: 8.2 … 10
●For aluminium materials:
pH value: 8.2 … 8.5
►Fill the system with deionised heating water
(VE water) or with water corresponding to VDI
2035 only (low-salt operation of the system).
Advantages of low-salt operation:
●Low corrosion-promoting properties
●No formation of mineral scale
●Ideal for closed heating circuits
● IdealpHvalueduetoself-alkalisationafterlling
the system
●If necessary, simple alkalisation to pH value 8.2
by adding chemicals
8.2 Flushandlltheheatingand
domestic hot water charging
circuit
Outlet pipe of the safety valve is connected.
►Ensure that the set pressure of the safety valve is
not exceeded.
NOTE
The venting program on the controller can
also be used to support the ushing and
venting process. It is possible to control
individual recirculating pumps and even
the changeover valve through the venting
programme. As a result it is not necessary to
remove the valve motor.
1. Pull the U-clip (2) of the switching valve
(accessory)o󰀨thebaseofthevalvemotor(1).
2. Pull the valve motor carefully o󰀨 the 3-way
switching valve (3).
3. Turn the spindle of the 3-way switching valve so
that the rounded side of the spindle points in the
direction of marking A of the connections of the
3-way switching valve.
A
B
4. Flush the domestic hot water charging circuit for
approx. 1 minute.
5. Turn the spindle so that the rounded side of the
spindle points in the direction of marking B of the
connections of the 3-way switching valve.
6. Flush heating circuit thoroughly, until no more air
is discharged.
7. Position the valve motor (1) on the 3-way switching
valve (3).
8. Insert the U-clip (2) into the base of the valve
motor.

14 Subject to change without notice | 83059200dUK – Translation of the original operating manual | ait-deutschland GmbH
9. Ensure that the U-clip has latched into position
correctly:
●Valve motor sits securely on the 3-way switching
valve.
●Both prongs of the U-clip sit on the lug.
●The tips of the U-clip are visible by approx. 2 mm
(notsignicantlymore!).
Example for integration of storage tank in series:
H
000
J
AB
AB
6
open
open
closed
1 Return, domestic hot water
2 Return, hot water
3 Supply, hot water / domestic hot water
4 Filling stop cock
5 Heat pump
6 Drain
“Switching valve” operating manual
Example for integration of storage tank in series:
H
000
J
AB
AB
6
closed open
closed
1 Return, domestic hot water
2 Return, hot water
3 Supply, hot water / domestic hot water
4 Filling stop cock
5 Heat pump
6 Drain
10. Swap the hoses at the lling and draining stop
cocksandushthecondenseroftheheatpump
via the return.
11. Open the additional vent valve at the condenser
of the heat pump. Vent the condenser and then
close the vent valve again when fully vented.

15
Subject to change without notice | 83059200dUK – Translation of the original operating manual | ait-deutschland GmbH
9 Insulate hydraulic connections
Insulate hydraulic lines in accordance with local
regulations.
1. Openshut-o󰀨devices.
2. Perform a pressure test and inspect for leaks.
3. Insulate external piping on site.
4. Insulateallconnections,ttingsandpipes.
10 Settheoverowvalve
Heat pump manual
11 Commissioning
Operating manual of the heating and heat pump
controller
Heat pump manual
12 Faults
►Read out the cause of the fault via the diagnostics
program of the heating and heat pump controller.
►Contact the local partner of the manufacturer or
the factory's customer service. Have the fault
message and unit number (refer to “Nameplate”)
to hand.
12.1 Unlock safety temperature limiter
A safety temperature limiter (1) is installed in the
electric heating element (3). If the heat pump fails or
there is air in the system:
►Check whether the reset knob (2) in the centre of
the safety temperature limiter (1) has jumped out
(located underneath the cover).
►Press the reset button back in again.
HV:
1 Safety temperature limiter on the electric
heating element
2 Reset button
3 Electric heating element

16 Subject to change without notice | 83059200dUK – Translation of the original operating manual | ait-deutschland GmbH
13 Dismantling and disposal
13.1 Dismantling
Unit is safely disconnected from the power supply
and protected against being switched back on
again.
►Separate components by their materials.
13.2 Disposal and recycling
►Recycle or ensure proper disposal of unit
components and packaging materials in
accordance with local regulations.
Bu󰀨er(standby)battery
1. Use a screwdriver to push out the bu󰀨er battery
on the processor board of the control panel.
2. Dispose of the bu󰀨er battery in accordance with
local regulations.

17
Subject to change without notice | 83059200dUK – Translation of the original operating manual | ait-deutschland GmbH
Accessories for heat pump type HV 9-1/3 HV 12-3
Air/water 8 kW output-controlled | Air/water 12 kW output-controlled • yes – no • | – • | •
Air/water dual output-controlled • yes – no – | – – | –
Air/water 7 kW to 8 kW output-controlled | Air/water 10 kW to 18 kW
Outdoor installation • yes – no – | – – | –
Air/water 9 kW to 14 kW RX Outdoor installation • yes – no – | – – | –
Air/water dual Outdoor installation • yes – no – | – – | –
Air/water dual RX Outdoor installation • yes – no – | – – | –
Installation location
Room temperature min. | max. °C 5 | 35 5 | 35
Relative humidity %60 60
Sound
Sound pressure level at 1 m distance inside dB(A) 36 36
Sound power level inside dB(A) 44 44
Heating circuit
Flow rate: minimum | maximum (see heat pump for pipe dimensioning) l/h | l/h 600 | 1200 600 | 1900
Free pressing | Pressure loss | Flow rate bar | bar | l/h 0,7 | – | 1200 0,6 | – | 1900
Max. allowable operating pressure bar 3 3
Circulation pump control range min. | max. l/h 600 ı 1200 600 ı 1900
General unit data
Total weight kg 25 40
Weight of individual components kg | kg | kg – | – | – – | – | –
Electrics
Voltage code | all-pole fuse protection for heat pump *)**) 1 phase … | A 1~N/PE/230V/50Hz | B16 1~N/PE/230V/50Hz | B16
Voltage code | all-pole fuse protection for heat pump *)**) 3 phases … | A – | – 3~N/PE/400V/50Hz ı B16
Voltage code | Control voltage fuse protection **) … | A 1~N/PE/230V/50Hz | B10 1~N/PE/230V/50Hz | B10
Voltage code | Electric heating element fuse protection **) 1 phase … | A 1~N/PE/230V/50Hz | B32 – | –
Voltage code | Electric heating element fuse protection **) 3 phases … | A 3~N/PE/400V/50Hz | B10 3~N/PE/400V/50Hz | B16
Degree of protection IP 20 20
Residual current circuit breaker if required type B B
Electric heating element output 3 | 2 | 1 phase kW | kW | kW 6 | 4 | 2 9 | 6 | 3
Circulation pump power consumption, heating circuit min. | max. W4 | 75 4 | 75
Other unit information
Safety valve Heating circuit | Response pressure included in scope of supply: • yes – no | bar • | 3 • | 3
Buffer tank | Volume included in scope of supply: • yes – no | l – | – – | –
Diaphragm expansion vessel Heating circuit | Volume | Prepressure incl. in scope of supply: • yes – no | l | bar • | 12 | 1,5 • | 18 | 1,5
Overflow valve | Changeover valve, heating -Domestic hot water integrated: • yes – no – | – – | –
Vibration decoupling, Heating circuit | Heat source included in scope of supply or integrated: • yes – no – –
Controller | Heat quantity recording | Extension board included in scope of supply or integrated: • yes – no • | • | – • | • | –
813318a 813319a
*) compressor only, **) note local regulations
Technical data / Scope of supply HV

18 Subject to change without notice | 83059200dUK – Translation of the original operating manual | ait-deutschland GmbH
Accessories for heat pump type HDV 9-1/3 HDV 12-3
Air/water 8 kW output-controlled | Air/water 12 kW output-controlled • yes – no – | – – | –
Air/water dual output-controlled • yes – no • •
Air/water 7 kW to 8 kW output-controlled | Air/water 10 kW to 18 kW
Outdoor installation • yes – no – | – – | –
Air/water 9 kW to 14 kW RX Outdoor installation • yes – no – –
Air/water dual Outdoor installation • yes – no – –
Air/water dual RX Outdoor installation • yes – no – –
Installation location
Room temperature min. | max. °C 5 | 35 5 | 35
Relative humidity %60 60
Sound
Sound pressure level at 1 m distance inside dB(A) 33 33
Sound power level inside dB(A) 46 46
Heating circuit
Flow rate: minimum | maximum (see heat pump for pipe dimensioning) l/h | l/h 700 | 1600 700 | 1600
Free pressing | Pressure loss | Flow rate bar | bar | l/h 0,7 | – | 1150 0,83 | – | 1150
Max. allowable operating pressure bar 3 3
Circulation pump control range min. | max. l/h 600 ı 1200 600 ı 1900
General unit data
Total weight kg 25 40
Weight of individual components kg | kg | kg – | – | – – | – | –
Electrics
Voltage code | all-pole fuse protection for heat pump *)**) 1 phase … | A 1~N/PE/230V/50Hz | B16 1~N/PE/230V/50Hz | B16
Voltage code | all-pole fuse protection for heat pump *)**) 3 phases … | A – | – – | –
Voltage code | Control voltage fuse protection **) … | A 1~N/PE/230V/50Hz | B16 1~N/PE/230V/50Hz | B16
Voltage code | Electric heating element fuse protection **) 1 phase … | A 1~N/PE/230V/50Hz | B25 – | –
Voltage code | Electric heating element fuse protection **) 3 phases … | A 3~N/PE/400V/50Hz | B10 3~N/PE/400V/50Hz | B16
Degree of protection IP 20 20
Residual current circuit breaker if required type B B
Electric heating element output 3 | 2 | 1 phase kW | kW | kW 6 | 4 | 2 9 | 6 | 3
Circulation pump power consumption, heating circuit min. | max. W4 | 75 4 | 75
Other unit information
Safety valve Heating circuit | Response pressure included in scope of supply: • yes – no | bar • | 3 • | 3
Buffer tank | Volume included in scope of supply: • yes – no | l – | – – | –
Diaphragm expansion vessel Heating circuit | Volume | Prepressure incl. in scope of supply: • yes – no | l | bar • | 12 | 1,5 • | 18 | 1,5
Overflow valve | Changeover valve, heating -Domestic hot water integrated: • yes – no – | – – | –
Vibration decoupling, Heating circuit | Heat source included in scope of supply or integrated: • yes – no – –
Controller | Heat quantity recording | Extension board included in scope of supply or integrated: • yes – no • | • | – • | • | –
813322a 813323a
*) compressor only, **) note local regulations
HDV Technical data / Scope of supply

19
Subject to change without notice | 83059200dUK – Translation of the original operating manual | ait-deutschland GmbH
Bezeichnung:
Datei: 823287 Freie Pressung HDV 12-3
Seite: 1/1
Zeichnungsnummer:
Legende:
“”
Volumenstrom Heizwasser in m3/h
∆pmax
maximale freie Pressung
Freie Pressung HDV 12-3
823287
Änd./ÄM/Ersteller/Datum
-/ PEP014-2016/Bornmann/10.04.2018
823287
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Δpmax [bar]
Δ
pmax
Δp
“ ” [m3/h]
Bezeichnung:
Datei: 823286 Freie Pressung HDV 9-1_3
Änd./ÄM/Ersteller/Datum
-/PEP013-2016/Bornmann/10.04.2018
823286
Seite: 1/1
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Δpmax [bar]
Δ
pmax
Δp
“ ” [m3/h]
Bezeichnung:
Datei: 823282 Freie Pressung HV 9-1_3
Änd./ÄM/Ersteller/Datum
- /PEP 013-2016 / Döring / 17.07.2017
823282
Seite: 1/1
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maximale freie Pressung
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pmax
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“ ” [m3/h]
Bezeichnung:
Datei: 823283 Freie Pressung HV 12-3
Seite: 1/1
Zeichnungsnummer:
Legende:
“”
Volumenstrom Heizwasser in m3/h
∆pmax
maximale freie Pressung
Freie Pressung HV 12-3
823283
Änd./ÄM/Ersteller/Datum
- /PEP 014-2016 / Döring / 17.07.20174
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Δpmax [bar]
Δ
pmax
Δp
“ ” [m3/h]
HV9-1/3
HV 12-3 HDV 12-3
HDV9-1/3
Free pressing
Keys: UK823282 / UK823286
“” Volumetric ow of hot water
∆pmax Maximum free pressing
Keys: UK823283 / UK823287
“” Volumetric ow of hot water
∆pmax Maximum free pressing