Dimplex WI 9CS, WI 14CS, WI 22CS, WI 27CS Operating Manual

1

MOUNTING and

OPERATING MANUAL

Water-to-Water Heat Pump

for Indoor Installation

WI 9CS
WI 14CS
WI 22CS
WI 27CS

CE

Order No.: 452230.67.03 FD 8404

2

CONTENTS

1 READ IMMEDIATELY 3

1.1 Important Information

1.2 Legal Provisions and Directives

1.3 Energy-Efficient Use of the Heat Pump

2 PURPOSE OF THE HEAT

PUMP 4

2.1 Application

2.2 Principle of Operation

3 BASELINE UNIT 4

4 TRANSPORT 5

5 INSTALLATION 5

5.1 General Information

5.2 Sound Emissions

6 MOUNTING 6

6.1 General

6.2 Heating-Side Connection

6.3 Heat Source-Side Connection

6.4 Electrical Connection

7 COMMISSIONING 7

7.1 General

7.2 Preparation

7.3 Procedure

8 CARE/CLEANING 7/8

8.1 Care

8.2 Cleaning of Heating Side

8.3 Cleaning of Heat Source Side

8.4 Water Quality Requirements

9 MALFUNCTIONS/TROUBLE-

SHOOTING 8

10 DECOMMISSIONING 8

10.1 Shutdown in Summer

10.2 End-of-Life Decommissioning

11 APPENDIX 9

3

1.2 Legal Provisions and Directives

This heat pump is in compliance with all relevant
DIN/VDE regulations and EU directives. These
are described in more detail in the EC Declaration
of Conformity.

The electrical connection of the heat pump must
be performed according to and conforming with
all relevant VDE, EN and IEC standards. Beyond
that, all connection requirements of the local
electrical utility company have to be observed.

The heat pump is to be plumbed into the heat
source and heating systems in accordance with
all relevant regulations.

1.3 Energy-Efficient Use of the Heat
Pump

By operating this heat pump, you contribute to the
protection of the environment. An important
prerequisite for energy-efficient operation is the
careful sizing of the heating system and the heat

source. In particular, it is important to keep water
flow temperatures as low as possible. All energy
consumers connected should therefore be suitable
for low flow temperatures. A 1 K higher heating water
temperature corresponds to an increase in power
consumption of approx. 2.5 %. Underfloor heating
systems with flow temperatures between 30 °C and
40 °C are optimally suited for energy-efficient
operation.

READ IMMEDIATELY

1

CAUTION!

CAUTION!

CAUTION!

CAUTION!

CAUTION!

CAUTION!

CAUTION!

CAUTION!

READ IMMEDIATELY

1.1 Important Information

The well water must meet the required

water quality standards.

The heat pump is not attached to the

wooden pallet.

The heat pump must not be tilted

more than max. 45° (in either direction).

Do not lift unit by the holes in the panel

assemblies!

Flush the heating system prior to

connecting the heat pump.

When connecting the load lines be

sure to observe the clockwise phase sequence.

Commissioning of the heat pump
must be performed in accordance with the
operating instructions of the heat pump
controller.

Any work on the heat pump may be
performed by an authorised and competent
customer service only.

Before opening the unit, all electrical
circuits must be disconnected from the power
supply.

CAUTION!

4

BASELINE UNIT

The baseline unit consists of a heat pump, ready
for connection, for indoor installation, complete with

housing, control panel and integrated controller.
The refrigeration cycle contains the refrigerant
R407C. The refrigerant is CFC-free, non-ozone
depleting and non-combustible.

All components required for the operation of the
heat pump are integrated in the control panel.
The power feed for the load and control current
must be field-installed by the customer.

The supply lead of the well pump (to be provided
by the customer) must be connected to the control
panel. When so doing, check whether the capacity
of the factory-installed motor protecting device is
adequate for the field-installed pump.

12

4

1) Evaporator 3) Condenser

2) Control panel 4) Compressor

PURPOSE OF THE HEAT
PUMP

2.1 Application

The water-to-water heat pump is designed for
use in existing or newly built heating systems.
Water, which can be supplied from wells, or the
like, is used as the heat carrier.

To prevent any corrosion damage to the eva­porator, the well water must be evaluated in
accordance with DIN 50930 as to the corrosion
risk of metallic materials.

More details are contained in the Project Planning
and Installation Manual for heat pumps for
heating purposes.

The well water must meet the estab­lished water quality standards.

2.2 Principle of Operation

A well pump conveys the water into the evaporator
of the heat pump where it gives off heat to the
refrigerant in the refrigeration cycle.

The refrigerant is then "sucked in" by the
electrically driven compressor, is compressed
and "pumped" to a higher temperature level. The
electrical power needed to run the compressor
is not lost, but most of the generated heat is
transferred to the refrigerant as well.

Subsequently, the refrigerant is passed through
the condenser where it transfers its heat energy
to the heating water.

Based on the thermostat setting, the heating
water is thus heated to up to 55 °C.

32

PURPOSE OF HEAT PUMP
BASELINE UNIT

CAUTION!

3

5

5

TRANSPORT

MOUNTING

CAUTION!

CAUTION!

4

CAUTION!

Do not lift unit using the holes provided
in the panel assemblies!

INSTALLATION

5.1 General Information

As a rule, the unit must be installed indoors on a
level, smooth and horizontal surface. The entire base
frame should thereby make close contact with the
surface in order to ensure adequate sound
insulation. Failing this, additional sound insulation
measures may become necessary.

The heat pump should be located to allow safe and
easy maintenance/service access. This is ensured
if a clearance of approx. 1 m in front of and to each
side of the heat pump is maintained.

5.2 Sound Emissions

The heat pump offers silent operation due to efficient
sound insulation. To prevent noise transmission to
the foundation, a suitable, sound dampening rubber
mat should be placed underneath the base frame
of the heat pump.

The transmission of noise to the heating system
is prevented by pressure hoses already integrated
into the heat pump.

TRANSPORT

A lift truck is suited for transporting the unit on a level
surface. If the heat pump needs to be transported
on an uneven surface or carried up or down stairs,
carrying straps may be used for this type of transport.
These straps may be passed directly underneath
the wooden pallet.

The heat pump is not secured to the

wooden pallet.

The heat pump must not be tilted

more than max. 45° (in either direction).

For lifting the unit without pallet, the holes provided
in the sides of the frame should be used. The side
panel assemblies must be removed for this
purpose. Any ordinary pipe can be used as a carrying
aid.

1m

1m

1m

6

6

MOUNTING

CAUTION!

MOUNTING

6.1 General

The following connections need to be established
on the heat pump:

- supply/return flow of well system

- supply/return flow of heating system

- power supply

6.2 Heating-Side Connection

The heating system must be flushed
prior to connecting the heat pump.

Before completing the heat pump connections on
the heating water side, the heating installation must
be flushed in order to remove any impurities that
may be present, as well as residues of sealing
material, and the like. Any accumulation of deposits
in the condenser may result in a total failure of the
heat pump.

Once the installation on the heating side has been
completed, the heating system must be filled, de­aerated and pressure-tested.

Heating water minimum flow rate

The heating water minimum flow rate through the
heat pump must be assured in all operating states
of the heating system. This can be accomplished,
for example, by installing a differential pressure-free
manifold or an overflow valve. The procedure for
setting an overflow valve is described in the Chapter
Commissioning.

Frost protection for installations prone to frost

Provided the controllers and circulating pumps are
ready for operation, the frost protection feature of the
controller is active. If the heat pump is taken out of
service or in the event of a power failure, the system
has to be drained. In heat pump installations where
a power failure cannot be readily detected (holiday
house), the heating circuit must contain a suitable
antifreeze product.

6.3 Heat Source-Side Connection

The following procedure must be observed when
making the connection:

Connect the well lines to the flow and return pipes
of the heat pump.

The well water must meet the required

water quality standard.

6.4 Electrical Connection

The following electrical connections must be
established on the heat pump.

- Connection of the control wire to the control panel
of the heat pump via terminal X1: L/N/PE.

- Connection of the load wire to the control panel
of the heat pump via terminal X5: L1/L2/L3/PE.

- Connection of the well pump load wire to the
control panel of the heat pump via terminal
X5: L11/L21/L31/PE.

- Connection of the well pump (to be provided
by the customer) to the control panel of the
heat pump via terminal X1: PE and pump
contactor K2: 2/4/6.

When connecting the load wire of the well pump it
must be ensured that the power supply for these
terminals cannot be disconnected by the tariff
contactor in order to ensure the cutout delay of
the well pump.

All electrical components required for the
operation of the heat pump are located on the
control panel.

For detailed instructions concerning the connection
and functioning of the heat pump controller refer to
the operating manual supplied with the controller..

An all-pole disconnecting-device with a contact­gap of at least 3 mm (e.g. utility company disable
contactor or power contactor) as well as a 3-pole

circuit breaker with simultaneous tripping of all
external conductors. The required cross-sectional

area of the conductor is to be selected according
to the power consumption of the heat pump, the
technical connection requirements of the relevant
electrical utility company as well as all applicable

provisions. Details on the power consumption of
the heat pump are contained on the product
information sheet and the rating plate. The terminals

are designed for a conductor cross-section of
max. 10 mm˝.

When connecting the load line, make
sure that the phase sequence is correct (if the
phase sequence is not correct the heat pump will
not perform properly and generate abnormal
noise).

CAUTION!

CAUTION!

7

COMMISSIONING

CARE/CLEANING

7

8

CAUTION!

COMMISSIONING

7.1 General

To ensure proper commissioning it should be
carried out by an after-sales service authorized by
the manufacturer. Only then can an extended
warranty period of 3 years in total be granted (cf.
Warranty service).

7.2 Preparation

Prior to commissioning, the following items need to
be checked:

- All connections of the heat pump must have been
made as described in Chapter 6.

- The heat source system and the heating circuit
must have been filled and tested.

- In the well and heating circuits all valves that
could impair the proper heating water flow
must be open.

- The settings of the heat pump controller must be
adapted to the heating installation in accordance
with the instructions contained in the controller's
operating manual.

7.3 Procedure

The start-up of the heat pump is effected via the
heat pump controller.

Commissioning of the heat pump
must be performed in accordance with the
mounting and operating manual of the heat
pump controller.

Where an overflow valve is fitted to assure the
minimum heating water flow rate, the valve must be
set in accordance with the requirements of the heating
installation. An incorrect setting may result in various
error symptoms and an increased electric power
consumption. To correctly set the overflow valve, the
following procedure is re-commended:

a) Open all heating circuits and close the overflow

valve. Determine the resulting temperature
difference between supply and return flow.

b) Close all of the heating circuits that may also be

closed during operation (depending on the type
of heat pump usage) so that the most unfa­vourable operating state - with respect to the water
flow rate - is achieved.

Any malfunctions occurring during operation are
displayed on the heat pump controller and can be
corrected as described in the operating manual of
the heat pump controller.

CARE/CLEANING

8.1 Care

The heat pump is maintenance-free. To prevent
malfunctions due to sediments in the heat ex­changers, care must be taken that no impurities can
enter the heat source system and heating installa­tion. In the event that operating malfunctions due to
contamination occur nevertheless, the system
should be cleaned as described below.

8.2 Cleaning of Heating Side

The ingress of oxygen into the heating water circuit
may result in the formation of oxidation products (rust).
It is therefore important - in particular with respect to
the piping of underfloor heating systems - that the
installation is executed in a diffusion-proof manner.

Also residues of lubricating and sealing agents may
contaminate the heating water.

In the case of severe contamination leading to a
reduction of the performance of the condenser in the
heat pump, the system must be cleaned by a heating
technician.

According to current knowledge, we recommend
cleaning with a 5% phosphoric acid solution or, in
the case that cleaning needs to be performed more
frequently, with a 5% formic acid solution.

In either case, the cleaning fluid should be at room
temperature. It is recommended that the heat
exchanger be cleaned in the direction opposite to the
normal flow direction.

To prevent acidic cleaning agents from entering the
circuit of the heating installation we recommend that
the flushing device be fitted directly to the supply and
return lines of the condenser. To prevent any damage
caused by cleaning agent residues that may be
present in the system it is important that the system
be thoroughly flushed using appropriate neutralising
agents.

The acids must be used with great care, all relevant
regulations of the employers' liability insurance
associations must be adhered to.

If in doubt, contact the manufacturer of the chemicals!

8

CARE/CLEANING
MALFUNCTIONS/TROUBLESHOOTING
DECOMMISSIONING

9

CAUTION!

Any work on the heat pump may only
be performed by an authorized and qualified after­sales service.

Prior to opening the unit, all of its
electric circuits must be disconnected from the
power source.

CAUTION!

Caution - Heating Technicians !
Depending on the filling water quality and
quantity, in particular in the case of mixed
installations and plastic pipes, mineral deposits
(rust sludge, lime) may form, impairing the
proper functioning of the heating installation.
A reason for this is the water hardness and
oxygen dissolved in the filling water as well as
additional oxygen from the air, which may
penetrate via valves, fittings and plastic pipes
(oxygen diffusion). As a preventive measure
it is recommended that a physical water
conditio-ner such as ELYSATOR be used.

8.3 Cleaning of Heat Source Side

A strainer is fitted in the heat source inlet of the
heat pump in order to protect the evaporator
against contamination. Initially, the filter screen
of the strainer should be cleaned at relatively short
intervals. Once there is less contamination, the
intervals can be extended accordingly.

8.4 Water Quality Requirements

To prevent any so-called "ochredisation" (depo­sition of iron and manganese) of the heat pump
system from occurring, the ground water must be
free of all substances that could result in mineral
deposits, and the limit values for IRON (< 0.2 mg/
l) and MANGANESE (< 0,1 mg/l) must be complied
with.

The use of surface water or saline water bodies
is not permitted. Consult your local waterworks
for some general information about any possible
ground water usage. Water analyses are prepared
by laboratories specialising in water technology.

No water analysis with respect to any corrosion
of the evaporator is required if the average annual
ground water temperature is not in excess of
13 °C. In this case, only the limit values for iron
and manganese must be met ("ochredisation"
risk).

MALFUNCTIONS/
TROUBLESHOOTING

This heat pump is a quality product and designed
for trouble-free operation. In the event that a
malfunction occurs nevertheless, you will be able
to correct the problem easily yourself in the
majority of cases. Simply consult the Malfunctions
and Troubleshooting table in the operating
manual of the controller.

Additional malfunctions can be interrogated at the
heat pump controller.

If the problem cannot be corrected by the user,
please contact the after-sales service in charge

(see Warranty Certificate).

CAUTION!

DECOMMISSIONING

10.1 Placing Out of Service in
Summer

Placing the heat pump out of service in summer can
be effected by switching the heat pump controller to
the "Summer" operating mode.

10.2 End-of-Life Decommissioning/
Disposal

Before removing the heat pump, disconnect the
machine from the power supply and close all
valves. Environment-relevant requirements re­garding the recovery, recycling and disposal of
service fuels and components in accordance with
all relevant standards must be adhered to. In this
context, particular attention must be paid to the
proper disposal of refrigerants and refrigeration
oils.

10

9

APPENDIXAPPENDIX

APPENDIXAPPENDIX

APPENDIX

11.1 Dimensioned Drawing
.. 9CS to .. 27CS 10

11.2 Equipment Data 11

11.3 Performance Curves / Pressure
Losses

11.3.1 Performance Curves .. 9CS 12

11.3.2 Pressure Losses .. 9CS 13

11.3.3 Performance Curves .. 14CS 14

11.3.4 Pressure Losses .. 14CS 15

11.3.5 Performance Curves .. 22CS 16

11.3.6 Pressure Losses .. 22CS 17

11.3.7 Performance Curves .. 27CS 18

11.3.8 Pressure Losses .. 27CS 19

11.4 Wiring Diagrams

11.4.1 Control .. 9CS to .. 22CS 20

11.4.2 Load .. 9CS to .. 22CS 21

11.4.3 Terminal Diagram .. 9CS to .. 22CS 22

11.4.4 Legend .. 9CS to .. 22CS 23

11.4.5 Control .. 27CS 24

11.4.6 Load .. 27CS 25

11.4.7 Terminal Diagram .. 27CS 26

11.4.8 Legend .. 27CS 27

11.5 Hydraulic Block Diagram 28

11.6 EC Declaration of Conformity 29

11.7 Warranty Certificate 30

APPENDIX

11

10

APPENDIX: 11.1 DIMENSIONED DRAWING

Dimensioned Drawing

Heating-side connections:

.. 9/14CS 1" internal/external thread

.. 22/27CS 1

1

/

4

“ internal/1" external thread

Heat source-side connections:

.. 9/14CS 1

1

/

4

“ internal/external thread

.. 22/27CS 1

1

/

2

" internal/external thread

Heating water return

Heat pump inlet

Heating water supply

Heat pump outlet

Heat source return

Heat pump inlet

Heat source supply

Heat pump outlet

11

APPENDIX: 11.2 EQUIPMENT DATA

Equipment Data

EQUIPMENT DATA for water-to-water heat pumps for heating

1

TYPE AND COMMERCIAL DESCRIPTION ..9CS ..14CS ..22CS ..27CS

2

MODEL

2.1 Enclosure type acc. to EN 60 529 IP 20 IP 20 IP 20 IP20

2.2 Installation site indoor indoor indoor indoor

3

PERFORMANCE DATA

3.1 Operating temperature limits:

Heating water supply °C max. 55 max. 55 max. 55 max. 55

Cold water (heat source)

°C +7 to +25 +7 to +25 +7 to +25 +7 to +25

3.2

K 9,5 8,8 9,6 9,4

3.3 Heating capacity / coeff.of perform. at W7 / W55

1)

kW / --- 6,9 / 2,5 12,2 / 2,5 19,0 / 3,2 24,6 / 3,2

at W10 / W50

1)

kW / --- 7,7 / 3,2 13,4 / 3,6 20,8 / 3,8 26,4 / 3,8

at W10 / W35

1)

kW / --- 8,3 / 5,1 13,6 / 5,2 21,5 / 5,5 26,4 / 5,1

3.4 Sound power level dB(A) 53 55 58 59

3.5 Heating water flow rate at internal pressure difference m³/h / Pa 0,75 / 7000 1,3 / 7000 2,0 / 8000 2,4 / 12500

3.6 Cold water flow rate at internal pressure difference m³/h / Pa 2,0 / 6200 3,3 / 19000 5,0 / 20000 7,0 / 16000

(heat source)

3.7 Refrigerant; total charge weight type / kg R407C / 1,7 R407C / 1,6 R407C / 3,2 R407C / 4,5

4

DIMENSIONS, CONNECTIONS AND WEIGHT

4.1 Equipment dimensions without connections

4)

H x W x L mm 1380 x 600 x 500 1380 x 600 x 500 1380 x 600 x 500 1380 x 600 x 500

4.2 Equipment connections for heating system inch G 1" int/ext G 1" int/ext G1¼'' int/G1''ext G 1¼'' i / G 1'' a

4.3 Equipment connections for heat source inch G 1¼" int/ext G 1¼" int/ext G 1½" int/ext G 1½" int/ext

4.4 Weight of transport unit(s) incl. packaging kg 147 151 173 221

5

ELECTRICAL CONNECTION

5.1 Nominal voltage; fusing V / A 400 / 16 400 / 16 400 / 20 400 / 20

5.2 Nominal power consumption

1)

W10 W35 kW 1,62 2,64 3,93 5,15

5.3 Starting current with soft starter A 30 (without SS) 26 27 29

5.4

Nominal current W10 W35 / cos ϕ

A / --- 2,9 / 0,8 4,8 / 0,8 7,0 / 0,8 9,4 / 0,8

6

COMPLIES WITH EUROPEAN SAFETY REGULATIONS

3) 3) 3) 3)

7

OTHER DESIGN CHARACTERISTICS

7.1

2)

yes yes yes yes

7.2 Performance settings 1111

7.3 Controller internal / external internal internal internal internal

1)

2) The heating system circulating pump and the controller of the heat pump must be ready for operation at all times.

3) See EC Declaration of Conformity

4) Please keep in mind that more space is required for pipe connection, operation and maintenance.

Subject to technical modifications

Edition: 24.03.2004

These data characterize the size and performance capability of the system. For economic and
energetic reasons, the balance point and control need to be taken into consideration as well.
Abbreviations have the following meaning, e.g. W10 / W55: heat source temperature 10 °C
and heating water supply temperature 55 °C.

Heating water temperature spread at W10 / W35

Water inside equipment protected against freezing 2)

12

0

2

4

6

8

10

12

14

Heizleistung in [kW]

Wasseraustrittstemperatur in [°C]

0

1

2

3

4

5

6

7

8

Leistungszahl im Heizbetrieb (incl. Der anteiligen Pumpenleistungen)

35

50

0

1

2

3

4

5

5 7 9 11 13 15 17 19 21 23 25 27

Kaltwassereintrittstemperatur in [°C]

35

50

Leistungsaufnahme in [kW] (incl. Der anteiligen Pumpenleistungen)

Bedingungen:

Heizwasserdurchsatz 0,75 m³/h

Kaltwasserdurchsatz 2,0 m³/h

35

50

11.3.1 Performance Curves .. 9CS

APPENDIX: 11.3 PERFORMANCE CURVES/PRESSURE LOSSES

Conditions:

Heating water flow rate 0.75 m3/h
Cold water flow rate 2.0 m3/h

Heating capacity in [kW]

Water outlet temperature in [°C]

Coefficient of performance in the heating mode (incl. proportional pump energy)

Power consumption (incl. proportional pump energy)

Cold water inlet temperature in [°C]

13

0

2000

4000

6000

8000

10000

12000

14000

16000

18000

20000

0 0,5 1 1,5 2 2,5 3 3,5 4

Kaltwasserdurchfluß in [m³/h]

Druckverluste Verdampfer

bei 10°C

Druckverlust 6,2 kPa bei

Kaltwasser-Nenndurchfluß 2,0 m³/h

Druckverlust in [Pa]

0

5000

10000

15000

20000

25000

30000

0 0,25 0,5 0,75 1 1,25 1,5

Heizwasserdurchfluß in [m³/h]

Druckverlust in [Pa]

Druckverluste Verflüssiger

bei 35°C

Druckverlust 7 kPa bei

Heizwasser-Nenndurchfluß 0,75 m³/h

11.3.2 Pressure Losses .. 9CS

APPENDIX: 11.3 PERFORMANCE CURVES/PRESSURE LOSSES

Pressure loss in [Pa]

Pressure losses

evaporator at 10°C

Pressure loss 6.2 kPa at

cold water nominal flow rate 2.0 m3/h

Cold water flow rate in [m3/h]

Pressure loss in [Pa]

Pressure losses

condenser at 35°C

Pressure loss 7 kPa at

heating water nominal flow rate 0.75 m3/h

Heating water flow rate in [m3/h]

14

0

2

4

6

8

10

12

14

16

18

20

22

24

Heizleistung in [kW]

Wasseraustrittstemperatur in [°C]

0

1

2

3

4

5

6

7

8

Leistungszahl im Heizbetrieb (incl. Der anteiligen Pumpenleistungen)

35

50

0

1

2

3

4

5

5 7 9 111315171921232527

Kaltwassereintrittstemperatur in [°C]

35

50

Leistungsaufnahme in [kW] (incl. Der anteiligen Pumpenleistungen)

Bedingungen:
Heizwasserdurchsatz 1,3 m³/h
Kaltwasserdurchsatz 3,3 m³/h

35

50

11.3.3 Performance Curves .. 14CS

APPENDIX: 11.3 PERFORMANCE CURVES/PRESSURE LOSSES

Heating capacity in [kW]

Conditions:

Heating water flow rate 1.3 m3/h
Cold water flow rate 3.3 m3/h

Water outlet temperature in [°C]

Coefficient of performance in the heating mode (incl. proportional pump energy)

Power consumption (incl. proportional pump energy)

Cold water inlet temperature in [°C]

15

0

5000

10000

15000

20000

25000

30000

0 0,5 1 1,5 2 2,5 3 3,5 4 4,5 5

Kaltwasserdurchfluß in [m³/h]

Druckverluste

Verdampfer bei 10°C

Druckverlust 19 kPa bei

Kaltwasser-Nenndurchfluß 3,3 m³/h

Druckverlust in [Pa]

0

5000

10000

15000

20000

25000

30000

0 0,25 0,5 0,75 1 1,25 1,5 1,75 2 2,25 2,5

Heizwasserdurchfluß in [m³/h]

Druckverlust in [Pa]

Druckverluste

Verflüssiger bei 35°C

Druckverlust 7 kPa bei

Heizwasser-Nenndurchfluß 1,3 m³/h

11.3.4 Pressure Losses .. 14CS

APPENDIX: 11.3 PERFORMANCE CURVES/PRESSURE LOSSES

Pressure loss in [Pa]

Pressure losses

evaporator at 10°C

Pressure loss 19 kPa at

cold water nominal flow rate 3.3 m3/h

Cold water flow rate in [m3/h]

Pressure loss in [Pa]

Pressure losses

condenser at 35°C

Pressure loss 7 kPa at

heating water nominal flow rate 1.3 m3/h

Heating water flow rate in [m3/h]

16

0

2

4

6

8

10

12

14

16

18

20

22

24

26

28

30

32

34

Heizleistung in [kW]

Wasseraustrittstemperatur in [°C]

0

1

2

3

4

5

6

7

8

9

10

Leistungszahl im Heizbetrieb (incl. Der anteiligen Pumpenleistungen)

35

50

0

1

2

3

4

5

6

7

5 7 9 111315171921232527

Kaltwassereintrittstemperatur in [°C]

35

50

Leistungsaufnahme in [kW] (incl. Der anteiligen Pumpenleistungen)

Bedingungen:
Heizwasserdurchsatz 2,0 m³/h
Kaltwasserdurchsatz 5,0 m³/h

35
50

11.3.5 Performance Curves .. 22CS

APPENDIXG: 11.3 PERFORMANCE CURVES/PRESSURE LOSSES

Heating capacity in [kW]

Water outlet temperature in [°C]

Conditions:

Heating water flow rate 2.0 m3/h
Cold water flow rate 5.0 m3/h

Coefficient of performance in the heating mode (incl. proportional pump energy)

Power consumption (incl. proportional pump energy)

Cold water inlet temperature in [°C]

17

0

5000

10000

15000

20000

25000

30000

35000

0 0,5 1 1,5 2 2,5 3 3,5 4 4,5 5 5,5 6

Kaltwasserdurchfluß in [m³/h]

Druckverluste

Verdampfer bei 10°C

Druckverlust 20 kPa bei

Kaltwasser-Nenndurchfluß 5,0 m³/h

Druckverlust in [Pa]

0

5000

10000

15000

20000

25000

30000

35000

0 0,5 1 1,5 2 2,5 3 3,5 4

Heizwasserdurchfluß in [m³/h]

Druckverlust in [Pa]

Druckverluste

Verflüssiger bei 35°C

Druckverlust 8 kPa bei

Heizwasser-Nenndurchfluß 2,0 m³/h

11.3.6 Pressure Losses .. 22CS

APPENDIX: 11.3 PERFORMANCE CURVES/PRESSURE LOSSES

Pressure losses

evaporator at 10°C

Pressure loss 20 kPa at

cold water nominal flow rate 5.0 m3/h

Pressure loss in [Pa]

Cold water flow rate in [m3/h]

Pressure loss in [Pa]

Pressure losses

condenser at 35°C

Pressure loss 8 kPa at

heating water nominal flow rate 2.0 m3/h

Heating water flow rate in [m3/h]

18

0

2

4

6

8

10

12

14

16

18

20

22

24

26

28

30

32

34

36

38

40

Heizleistung in [kW]

Wasseraustrittstemperatur in [°C]

0

1

2

3

4

5

6

7

8

Leistungszahl im Heizbetrieb (incl. Der anteiligen Pumpenleistungen)

3

50

0

2

4

6

8

5 7 9 111315171921232527

Kaltwassereintrittstemperatur in [°C]

35

5

Leistungsaufnahme in [kW] (incl. Der anteiligen Pumpenleistungen)

Bedingungen:
Heizwasserdurchsatz 2,4 m³/h
Kaltwasserdurchsatz 7,0 m³/h

35

50

11.3.7 Performance Curves .. 27CS

APPENDIX: 11.3 PERFORMANCE CURVES/PRESSURE LOSSES

Heating capacity in [kW]

Water outlet temperature in [°C]

Conditions:

Heating water flow rate 2.4 m3/h
Cold water flow rate 7.0 m3/h

Coefficient of performance in the heating mode (incl. proportional pump energy)

Power consumption (incl. proportional pump energy)

Cold water inlet temperature in [°C]

19

0

5000

10000

15000

20000

25000

30000

35000

40000

45000

50000

012345678910

Kaltwasserdurchfluß in [m³/h]

Druckverluste

Verdampfer bei 10°C

Druckverlust 16 kPa bei

Kaltwasser-Nenndurchfluß 7,0 m³/h

Druckverlust in [Pa]

0

5000

10000

15000

20000

25000

30000

35000

40000

0 0,5 1 1,5 2 2,5 3 3,5 4

Heizwasserdurchfluß in [m³/h]

Druckverlust in [Pa]

Druckverluste

Verflüssiger bei 35°C

Druckverlust 12,5 kPa bei

Heizwasser-Nenndurchfluß 2,4 m³/h

APPENDIX: 11.3 PERFORMANCE CURVES/PRESSURE LOSSES

11.3.8 Pressure Losses .. 27CS

Pressure loss in [Pa]

Pressure losses

evaporator at 10°C

Pressure loss 16 kPa at

cold water nominal flow rate 7.0 m3/h

Cold water flow rate in [m3/h]

Pressure loss in [Pa]

Pressure losses

condenser at 35°C

Pressure loss 12.5 kPa at

heating water nominal flow rate 2.4 m3/h

Heating water flow rate in [m3/h]

20

11.4.1 Control .. 9CS to .. 22CS

APPENDIX: 11.4 WIRING DIAGRAMS

ID8

230 VAC - 50Hz

230 VAC

24 VAC

T1

12 pol.

12 pol.

PE

Netz

X1

3

N

F3

4,0A Tr

L

4,0A Tr

F2

95

F15

96

Verdi.

J12

V2

NO2

X2-G

J5-IDC1

R2

0 VAC

24VAC

J1

G

G

0

R7

X3

B

2

J2

B

1

J3

+VD

C

GND

BC4

B

3

B

4

B

5

J10J9

N1

V1

NO1

J11

C

1

F2 (L)

K1-A1

J14-C7

BC5

J4

VG0

V

G

Y

1

Y

4

Y

3

Y

2

Stö.- M1

X2

24VAC

Stö.- M11

A2

ID7

A1

J1-G

EVS

SPR

J5

ID6

ID3

ID2

ID1

ID4

ID5

NO6

NO3

J13

NO5

NO4

C

4

K5-A1

C

1

C

4

F3 (L)

F4

A1K1A2

K5

A1

F15-A2

0 VAC

J5-IDC1

X4

EGS

J6

B

7

Stö.-Durchfluss

R6

F >

F10

B

6

0 VAC

J1-G0

IDC

1

J12-C1

J13-C4

B

8

J7

ID1

0

ID1

1

ID1

2

GND

ID9

IDC

9

C

7

J14 J15

NO7

NO8

NC8

C

7

C

8

J16

NO9

C

9

NO1

0

NO1

1

C

9

P >

NDHD

F5

P <

F4

J8

ID13H

IDC13

ID14H

ID1

3

ID1

4

M1

M11

J12/NO1

J12/NO3

NO1

2

J17 J18

NC1

3

NO1

3

C12

NC1

2

C13

J12-C1

F5

Mains

21

11.4.2 Load .. 9CS to .. 22CS

APPENDIX: 11.4 WIRING DIAGRAMS

Verdrahtung bei Auslieferung

(nicht in W I 9CS)

N7

K1

/1.6

RTS

3

M

U WV

(Einspeisung Brunnenpumpe direkt)

(Einspeisung Verdichter über EVU-Sperrschütz)

3

3/PE 400VAC - 50Hz

Netz

3/PE 400VAC - 50Hz

Netz

L1

L2PEL3

3

2 64

531

L11

L21

L31

PE

3

X5

M

3

M1

2

PE

X1/

SP2A/6 / 1,4A

SP8A/5 / 2,3A

SP3A/6 / 1,4A

SP5A/4 / 1,4A

Hersteller: Grundfos

Pumpen-T yp / Nennstrom

1,4-2,0A (WI 9CS bis -22CS)

2,2-3,5A (WI 27CS)

M11

F15

64

96

In Anlagen ohne EVU-Sperre

kann die direkte Einspeisung

Verdrahtung ändern:

für die Brunnenpumpe

entfallen.

1 3 5

K5

95 /1.4

/1.3

K22

Mains power supply

Mains power supply

(direct supply of well pump)

(compressor supply via utility

company disable contactor)

Wiring upon delivery

Wiring modification:

In systems without utility

company disable facility,

the direct supply for the well

pump may be dispensed with.

(not in WI 9CS)

Manufacturer

Pump type / Nominal current

22

11.4.3 Terminal Diagram .. 9CS to .. 22CS

APPENDIX: 11.4 WIRING DIAGRAMS

230 VAC - 50H z

PE

F3 (L)

X1

ID8

F3

J11

F2 (L)

J12

K5-A1

J13

X3

R1

G

G

0

J1

N1

J9 J10

R7

R2

R3

B

5

B

1

J2

B

2

+VD

C

BC4

GND

B

3

B

4

J3

Kontakt offen = WP gesperrt

Die Funktion des 2ten WE

ist wählbar

EVU-Sperrschütz

T<

BC5

VG0

V

G

Y

1

Y

4

Y

3

Y

2

J4

SPR

EVS

T<

ID7

ID6

ID3

ID2

ID1

ID4

ID5

J5

C

1

NO3

NO2

NO1

C

1

K1-A1

V2
V1

Verd i.

3L/PE 400VAC - 50Hz

P

E

Netz

L

2

X5

L

1

L

3

4

xxxxx

N10

M11

2

NO5

NO4

NO6

C

4

-PE

-N

X1

-N

X1

C

4

-PE

-N

X1

HK

Heizsta

b

oder

M13E10

Netz

3

12 pol.

12 pol.

X1

N

M18

J14 J15 J16 J17 J18

0 VAC

J1-G0

24VAC

Kontakt offen = WP gesperrt

2ter Sperr eingang

X2

0 VAC

R5

J1-G0

IDC

1

B

6

J1-G

X4

IDC

9

B

7

J6

B

8

ID1

0

ID1

1

ID1

2

GND

ID9

J7

ID13H

IDC13

ID14H

ID1

3

ID1

4

J8

-PE

E9

-N

43

-N

C

7

NO7

NO8

NC8

C

7

C

8

-PE-PE

-N

X1

MZMA

F2

NO9

NO1

0

NO1

1

C

9

C

9

X1X1

-N

Mischer-

Hauptkreis

4,0A Tr

4,0A Tr

L

X1

3

M16

324

NO1

3

NO1

2

NC1

2

C12

MZ

-PE
X1

MA

-N

NC1

3

C13

3

M15

M22

K20

M21

K21

B3 B4

K22 K23

K12

K11

T

1

L

1

max.

200W

A2(-)

A1(+)

J13-C

4

L

1

T

1

M19

A1(+)

A2(-)

J14-C

7

H5

max.

200W

N11

X1 - N

Mains power supply

Mains power supply

Mixer primary

circuit

Utility company shut-off contactor

Contact open = HP disabled

The function of the suppl. heating

system can be selected

2

nd

shut-off input

Contact open = HP disabled

23

11.4.4 Legend .. 9CS TO .. 22CS

APPENDIX: 11.4 WIRING DIAGRAMS

A1 Wire jumper, must be removed upon installation of a utility company disable contactor
A2 Wire jumper, must be removed if 2nd disable input is used

B3* Thermostat, hot water
B4* Thermostat, swimming pool water

E9* Electr. immersion heater, hot water
E10* Suppl. heat source (boiler or electr. heating element

F2 Load fuse for N1 relay outputs across J12 at J13 4.0 A slow-acting
F3 Load fuse for N1 relay outputs across J15 to J18 4.0 A slow-acting
F4 Pressostat high pressure
F5 Pressostat low pressure (from ..22CS, F5 is a limiter with manual reset)
F10 Flow control switch
F15 Overload relay for M11 / the overload relay is designed for the pump included in the brine kit

H5* Fault indicator lamp

J1...J18 Terminal connector at N1

K1 Contactor, compressor
K5 Contactor, primary pump
K11* Electron. relay remote fault indicator (on relay module)
K12* Electron. relay, swimming pool water circulating pump (on relay module)
K20* Contactor for E10
K21* Contactor for E9
K22* Utility company disable contactor
K23* SPR auxiliary relay

M1 Compressor
M11* Primary pump
M13* Heating circulating pump
M15* Heating circulating pump
M16* Auxiliary circulating pump
M18* Hot water circulating pump
M19* Swimming pool water circulating pump
M21* Mixer, primary circuit
M22* Mixer heating circuit 2

N1 Heat pump controller
N7 Soft start control (not in WI 9CS units)
N10* Remote control station
N11* Relay module

R1 External sensor
R2 Return sensor
R3 Hot water sensor (as an alternative to the hot water thermostat)
R5 Sensor for heating circuit 2
R6 Freeze protection sensor
R7 Coding resistor 10k

T1 Safety isolating transformer 230/24VAC-28VA

X1 Terminal strip mains control L/N/PE-230VAC-50Hz/fuses/N and PE terminal block
X2 Terminal strip 24VAC terminal block
X3 Terminal strip GND terminal block for sensors R1/-2 and -3 at J2
X4 Terminal strip GND terminal block for sensors R5 and -6 at J6
X5 Terminal strip power supply 3L/PE-400VAC-50Hz

Abbreviations:

EVS Utility company disable input
SPR Supplementary disable input

MA* Mixer OPEN - primary heating circuit
MZ Mixer CLOSED - primary heating circuit

* Components to be supplied by the customer, or available as accessories

24

11.4.5 Control .. 27CS

ANHANG: 11.4 WIRING DIAGRAMS

Stö.- M1

F14-T1

1

11

14

2

ID8

M1

M2

230 VAC - 50Hz

24 VAC

230 VAC

T1

12 pol.

12 pol.

PE

X1

Netz

3

N

F3

4,0A Tr

2

B1

Y4

L 1

1

4,0A Tr

P >

F2

4

14

Q1

11

J12

BC5

X2-G

J5-IDC1

R2

X3

B

1

0 VAC

24VAC

J1

G

G

0

R7

B

5

B

2

J2

J3

J13-NO6

+VD

C

GND

BC4

B

3

B

4

J10

N1

J9

Ver di.

V2

NO2

V1

C

1

F2 (L)

K1.2

-A1

NO1

J11

J1-G

J14-C7

J4

VG0

V

G

Y

1

Y

4

Y

3

Y

2

Stö.- M11

X2

24VAC

A2

A1

J5

ID7

ID6

ID3

ID2

ID1

ID4

ID5

SPR

EVS

J13

NO3

C

1

K5-A1

C

4

NO4

X1-1

F3 (L)

NO6

NO5

C

4

T1

T2

Q2

F14

F12

K1.2

A1

A2

K1.1

K1

A1

A2

A1

A2

18

16

15

K1.2

K5

A1

A2

0 VAC

J5-IDC1

X4

J6

B

7

EGS

Stö.-Durchflu s s

R6

F >

F10

B

6

J1-G0

0 VAC

IDC

1

J13-C4

J14-C7

IDC

9

B

8

J7

ID1

0

ID1

1

ID1

2

GND

ID9

C

7

J14

NO7

NO8

NC8

C

7

C

8

J15

C

9

NO9

NO1

0

NO1

1

C

9

J16

J12/NO1

HD

P >

F5

P <

ND

F4

J8

ID13H

IDC13

ID14H

ID1

3

ID1

4

M1

M11

J12/NO3

NO1

2

NC1

3

NO1

3

C12

NC1

2

J17

C13

J18

F4

F5

J12-C1

J12-C1

Mains power supply

25

11.4.6 Load .. 27CS

APPENDIX: 11.4 WIRING DIAGRAMS

Verdrahtung ändern:

In Anlagen ohne EVU-Sperre,

kann die direkte Einspeisung

für die Brunnenpumpe entfallen.

Hersteller: Grundfos

Pumpen-Typ / Nennstrom

SP8A / 2,3A

X1

(Einspeisung Verdichter über EVU-Sperrschütz)

3/PE 400VAC - 50Hz

(Einspeisung Brunnenpumpe direkt)

Netz

3/PE 400VAC - 50Hz

3

Netz

Verdrahtung bei Auslieferung

PE

L31

L21X5L11

3

L2

3

PE

L3

X5

L1

N7

1

11

M1

3

M

M11

135

PE

K5

246

/1.8

246

14

I >I > I >

12 / 1.4

-/1.5

2

F14

/1.5

M2

M

3

M1

U V W

2,2-3,5A

Q1

131355

11

6

5

6

R

F12

2

1

TS

K1.1

46

/1.8

24

35 13

I >

24

I > I >

/1.8

K1

14 12 / 1.5

1313

2,2-3,5A

Q2

55

K22

(direct supply of well pump)

Mains power supply

(compressor supply via utility company

disable contactor)

Mains power supply

Manufacturer

Pump type / Nominal current

Wiring modification:

In systems without utility

company disable facility,

the direct supply for the well

pump may be dispensed with.

Wiring upon delivery

26

11.4.7 Terminal Diagram .. 27CS

APPENDIX: 11.4 WIRING DIAGRAMS

230 VAC - 50Hz

12 pol.

-PE

J10J9

J11 J12 J13

BC5

X3

R2

B

1

R1

G

G

0

J1

N1

R7

R3

B

5

J2

B

2

BC4

B

3

GND

B

4

J3

+VD

C

Kontakt offen = WP gesperrt

Die Funktion des 2ten WE

ist wählbar

EVU-Sperrschütz

T<

V

G

Y

1

Y

4

Y

3

Y

2

VG0

J4

SPR

T<

EVS

ID7

ID6

ID3

ID2

ID1

ID4

ID5

J5

ID8

N10

xxxxx

NO2

K1.2

-A1

C

1

NO1

F2 (L)

Verdi.

V1

V2

3L/PE 400VA C - 50Hz

2 x Netz

4

L

2

X5

L

1

L

3

4

P

E

P

E

L11

L21

L31

2

C

4

X1

-PE

NO5

NO4

NO6

C

4

NO3

C

1

K5-A1

-N-N

X1

F3 (L)

X1

Heizsta

b

oder

HK

E10

M11

N

12 pol.

X1

X1-

-N

-PE

1

Netz

M18

M13

J14 J15 J16 J17 J18

0 VAC

J1-G0

Kontakt offen = WP gesperrt

2ter Sperreingang

J6

0 VAC

X2

24VAC

R5

B

6

J1-G0

IDC

1

J1-G

B

7

X4

IDC

9

B

8

ID1

0

ID1

1

ID1

2

GND

ID9

J7

ID13H

IDC13

ID14H

ID1

3

ID1

4

J8

E9

3

C

9

-PE

C

7

NO7

NO8

NC8

C

7

C

8

-N-N

X1

MZMA

F3 F2

-PE

NO9

NO1

0

NO1

1

C

9

X1X1

-N -N

3

4,0A Tr

4,0A Tr

PE L

X1

3

4

M16

3

2

-PE

NO1

3

NO1

2

C12

NC1

2

MZN

X1

MAN

-N

C13

NC1

3

3

M15

4

M22

K20

M21

K12

K11

T

1

L

1

max.

200W

A2(-)

A1(+)

J13-C

4

L

1

T

1

M19

A1(+)

A2(-)

J14-C

7

H5

max.

200W

N11

X1 - N

B3 B4

K22

K23

K21

2x Mains power supply

Mains power supply

2

nd

shut-off input

Contact open = HP disabled

Utility company shut-off contactor

Contact open = HP disabled

The function of the suppl. heating

system can be selected

27

11.4.8 Legend .. 27CS

APPENDIX: 11.4 WIRING DIAGRAMS

A1 Wire jumper, must be removed upon installation of a utility company disable contactor
A2 Wire jumper, must be removed if 2nd disable input is used

B1 Pressostat power adaptation for hot water preparation
B3* Thermostat, hot water
B4* Thermostat, swimming pool water

E9* Electr. immersion heater, hot water
E10* Suppl. heating system

F2 Load fuse for N1 relay outputs across

J12 and J13 4,0 A slow-acting

F3 Load fuse for N1 relay outputs across J15 to J18 4.0 A slow-acting
F4 Pressostat high pressure
F5 Pressostat low pressure limiter with manual reset
F10 Flow control switch
F12 Thermal protector N7
F14 Electronic motor protection compressor 1

H5* Remote fault indicator lamp

J1...J18 Terminal connector at N1

K1 Contactor, compressor
K1.1 Contactor, breakaway starting current limiter of M1
K1.2 Time relay, delay K1
K5 Contactor for M1
K11* Electron. relay for H5
K12* Electron. relay for M19
K20* Contactor for E10
K21* Contactor for E9
K22* Utility company disable contactor
K23* SPR auxiliary relay

M1 Compressor
M11* Primary pump
M13* Heating circulating pump
M15* Circulating pump, heating circuit 2
M16* Auxiliary circulating pump
M18* Hot water circulating pump
M19* Swimming pool water circulating pump
M21* Mixer primary circuit
M22* Mixer heating circuit 2

N1 Heat pump controller
N7 Soft start board
N10* Remote control station
N11* Relay module

Q1 Power circuit-breaker, well pump
Q2 Power circuit-breaker, compressor

R1 External sensor
R2 Return sensor
R3* Hot water sensor (as an alternative to the hot water thermostat)
R5 Sensor for heating circuit 2
R6 Freeze protection sensor
R7 Coding resistor 10k

T1 Safety isolating transformer 230/24VAC-28VA

X1 Terminal strip mains control L/N/PE-230VAC-50Hz/fuses/N and PE terminal block
X2 Terminal strip 24VAC terminal block
X3 Terminal strip GND terminal block for sensors R1/-2 and -3 at J2
X4 Terminal strip GND terminal block for sensors R5 and -6 at J6
X5 Terminal strip power supply 3L/PE-400VAC-50Hz

Y4 Solenoid valve power adaptation for hot water preparation

Abbreviations:
EVS Utility company disable input
SPR Supplementary disable input
MA* Mixer OPEN - primary heating circuit
MZ Mixer CLOSED - primary heating circuit * Components to be supplied by the customer, or available as accessories

28

APPENDIX: 11.5 HYDRAULIC BLOCK DIAGRAM

Hydraulic Block Diagram

Heat pump

Buffer tank

Heat pump controller

Electric distribution

Hot water tank

Ground water

direction of flow

Suction well

Injection well

Shut-off valve

Shut-off valve with drain

Overflow valve

Safety valve

Circulating pump

Expansion vessel

Thermostat/manual valve

Check valve

Shut-off valve with check valve

Heat consumer

Strainer

Temperature sensor

Flexible connecting hose

Well circulating pump

Heating circulating pump

Hot water circulating pump

External wall sensor

Return sensor

Hot water sensor

Cold water

Hot water

29

APPENDIX: 11.6 EC DECLARATION OF CONFORMITY

EC Declaration of conformity

Declaration of Conformity

The undersigned

KKW Kulmbacher Klimageräte-Werk GmbH,
Division Dimplex
Am Goldenen Feld 18
D-95326 Kulmbach

hereby confirm that the design and construction of the product(s) listed below, in the version(s) placed
on the market by us, conform to the relevant basic requirements of the applicable EC directives.

This declaration becomes invalidated if any modifications are made to the product(s) without our
prior authorization.

Designation of the product(s): EC Directives:

Brine-to-water heat pumps

EC Low Voltage Directive

for indoor installation withR407C (73/23/EEC)

EC EMC Directive
(89/336/EEC)

Water-to-water heat pumps

Pressure Equipment Directive

for indoor installation withR407C (97/23/EEC)

Type(s): Harmonized EN Standards:

Order No.: National Standard/Directives:

Kulmbach, 07.05.2002

General Manager Technical Director

SI 5CS
SI 7CS
SI 9CS
SI 11CS
SI 14CS
SI 17CS
SI 21CS

WI 9CS
WI 14CS
WI 22CS
WI 27CS

337 280
337 290
337 300
337 310
337 320
337 330
337 340

Requirements of category II

338 720
337 350
337 360
337 370

Notes

Notes

32

KKW Kulmbacher Klimageräte-Werk GmbH Subject to technical modifications
Division Dimplex Fax [phone]
Am Goldenen Feld 18 www.dimplex.de
D-95326 Kulmbach