Danfoss Connector DHP-H Opti Pro + DWH Installation guide

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16

EN - Installation instructions

About the instructions

Introduction1.

These instructions describe the installation of Connector

References to chapters and sections are in italics, e�g�: 1

About the instructions.

References to menu options in the heat pump’s control

system are in upper case, e�g�: INFORMATION -> OPERAT�

-> AUTO�

All figures and tables in the instructions are numbered to

help installers and service technicians refer to them easily�

Symbols2.

The instructions contain different warning symbols,

which, together with text, indicate to the user that there

are risks involved with actions to be taken�

The symbols are displayed to the left of the text and four

different symbols are used:

B

Hazardous electrical voltage! Indicates an immedi-

ate danger that leads to fatal or serious injury if

necessary measures are not taken�

A

Danger! Risk of personal injury! Indicates a possible

danger that can lead to fatal or serious injury if nec-

essary measures are not taken�

D

Risk of installation damage� Indicates a possible haz-

ard that can lead to item damage if necessary meas-

ures are not taken�

E

Information regarding making the handling of the

installation easier or a possible operational technical

disadvantage�

Terminology3.

The instructions contain terms throughout that designate

components and functions� The table lists the most com-

mon terms that are used in the instructions�

TerminologyTable 1:

Term Meaning

Heating sys-

tem

The circuit that generates heat to the

property or to the water heater�

Supply pipe The heating system’s supply line with

flow direction to radiators/under floor

heating or water heater�

Return pipe The heating system’s return line with

flow direction from radiators/under

floor heating or water heater�

17

Safety precautions

General safety precau-4.

tions

D

The installation must be carried out by authorised

installation engineers and the installation must follow

the applicable local rules and regulations as well as

these installation instructions�

D

This apparatus is not intended for persons (including

children) with reduced physical, sensory or psycho-

logical capacity, or who do not have knowledge or

experience, unless supervised or they have received

instructions on how the apparatus functions from a

safety qualified person�

A

Danger! Risk of personal injury! Children are not

permitted to play with the apparatus�

D

The unit must be located on a stable base� The base

must be able to support the gross weight�

D

To prevent leaks ensure that there are no stresses in

the connecting pipes!

D

It is important that the heating system is bled after

installation�

D

Bleed valves must be installed where necessary�

D

Radiator systems with closed expansion tanks must

also be supplied with approved pressure gauges and

safety valves�

D

Cold and hot water pipes and overflow pipes from

safety valves must be made of heat resistant and cor-

rosion-resistant material, e�g� copper� The safety valve

overflow pipes must have an open connection to the

drain and visibly flow into this in a frost-free environ-

ment�

D

The connecting pipe between the expansion tank and

the safety valve must slope continuously upwards�

A continuous upwards slope means that the pipe

must not slope downwards from the horizontal at any

point�

Scrapping5.

D

Scrapping must be carried out in accordance with

applicable local rules and regulations�

18

Heat pump with water heater and HGW

technology

Description6.

Connector is an accessory/system solution for customers with large

hot water requirements�

Connector makes it easy to connect a heat pump, with HGW technol-

ogy, with a separate MBH/DWH water heater to maintain a large hot

water volume�

Both hot water heaters in the heat pump and MBH/DWH are connect-

ed in series so that the MBH/DWH water heater is the primary heater

and the built-in heater in the heat pump acts as a secondary heater�

Most of the important hoses, pipes and connectors are included in

Connector installation kit� Some pipes must, however, must be fabri-

cated at the installation site by the installer�

Installation description7.

The heat pump and MBH/DWH are connected in series by cutting the

water flow s from the HGW shunt e and allowing it to flow to MBH/

DWH’s connection for hot water charging i� The return from the coil

in MBH/DWH is connected to the heat pump’s heater connection, the

inlet to the heating coil y�

10

1

2

3

5 6 7

11

8

9

4

Connection for hot water productionFigure 1.

Image description

Heat pump1

Secondary hot water heater2

HGW shunt3

From heating system4

To heating system5

Heater connection6

Flexible hose7

Charging MBH/DWH8

Primary water heater9

MBH/DWH10

Cut and remove the existing pipe11

The connections for cold water and domestic hot water are connected

as follows:

Incoming cold water • e connects to heat pump�

Connection for domestic hot water • w on the heat pump is con-

nected to the cold water connection y on MBH/DWH�

Domestic hot water is taken from MBH/DWH • t�

1

2

3

4

5

6

7

Connection for domestic hot waterFigure 2.

Image description

Heat pump1

Domestic hot water (HW) is connected to MBH/DWH2

Cold water3

Copper pipe connection4

Tap hot water5

Cold water (CW), is connected to the heat pump6

MBH/DWH7

In order for the heat pump’s regulation to control the temperature in

MBH/DWH, the heat pump’s peak sensor must be disconnected and

MBH/DWH’s peak sensor connected�

19

Installation kit8.

Installation kitTable 2:

Pos. Part no. Quantity Name

1 086U2458

4 3-way clamp ring connection,

22x22x15

2 086U2459

4 Bleed screw 15

3 086U6886

1 Replacement pipe, 22 copper

4 086U2371

3 Straight clamp ring connector,

22x22

5 086U3600

2 Copper pipe, 22

6 086U3160

2 Seal washer

7 086U6887

2 Flexible hose

8 086U7367

1 Installation instructions,

20

Installation9.

Prepare MBH/DWH9.1

1

3

2

4

5

Prepare MBH/DWHFigure 3.

Image description

Front panel1

T-connector, pipe, straight clamp ring connector with bleed 2

screw

Top panel3

Copper pipe with drain valve4

Clip clamp5

Prepare MBH/DWH as follows:

Detach and lift off the front panel�1�

Slacken off the screws holding the top panel� Lift the panel off 2�

carefully�

Slacken off the screw with the clip clamp holding the copper 3�

pipe�

Detach the T-connector from MBH/DWH�4�

Remove the T-connector, pipe, clamp ring connector with bleed 5�

screw and copper pipe�

Install connectors MBH/DWH9.2

1

2

Prepare connectors on MBH/DWHFigure 4.

Image description

Straight clamp ring connector1

Copper pipe2

Prepare pipe connectors as follows:

Install a straight clamp ring connector (086U2371) with a copper 1�

pipe (086U3600) on the water pipe�

3

2

1

Connectors installedFigure 5.

Image description

Front panel1

Top panel2

3-way clamp ring connector with bleed screw3

Install connectors as follows:

Reinstall the top and front panels�1�

Install a 3-way clamp ring connector (086U2458) with bleed screw 2�

(086U2459) on the copper pipes�

21

Preparing the heat pump9.3

1

2

3

4

6

5

Removing the heat pumpFigure 6.

Image description

Front panel1

Knockout2

Top panel3

T-connector4

Water pipe with insulation5

Side panel6

Remove parts of the heat pump as follows:

Detach and lift off the front panel� 1�

Tap out the knock out in the top panel� 2�

Slacken off the screws holding the top panel� Lift the panel off 3�

carefully�

If the heat pump is already installed, raise the top panel as far as

possible and secure it in the raised position�

Remove the right-hand side plate� 4�

Detach the water pipe at the T-connector� 5�

Remove about 200 mm of the insulation on the water pipe� 6�

Cut the pipe 170 mm from the end�7�

Remove the existing T-connector with its pipe piece�8�

Installing replacement pipes9.4

1

2

3

Installing replacement pipesFigure 7.

Image description

Replacement pipe1

Copper pipe2

Straight clamp ring connector3

Install replacement pipes as follows:

Install a straight clamp ring connector (086U2371) on the end of 1�

the water pipe�

Install the replacement pipe (086U6886) on the straight clamp ring 2�

connector�

Install new insulation on the replacement pipe� 3�

Install a straight clamp ring connector (086U2371) with a copper 4�

pipe (086U3600) on the connection for MBH/DWH�

22

Install connectors on heat pump9.5

1

2

3

4

Installing connectionsFigure 8.

Image description

Seal washer1

3-way clamp ring connector with bleed screw2

Top panel3

Side panel4

Install connectors as follows:

Reinstall the side panel and the top panel� Do not install the front 1�

panel yet�

Install seal washer (086U3160) in the top panel for the replace-2�

ment pipe�

Install a 3-way clamp ring connector (086U2458) with bleed screw 3�

(086U2459) on the replacement pipe�

Install a 3-way clamp ring connector (086U2458) with bleed screw 4�

(086U2459) on the copper pipe for MBH/DWH�

Connect MBH/DWH to the heat 9.6

pump

C

B

KV

VV

A

D

2

5

3

1

4

Connecting MBH/DWHFigure 9.

Image description

Heat pump1

Copper pipe2

Flexible hose3

MBH/DWH4

Flexible hose5

Connect hoses and pipes between MBH/DWH and the heat pump as

follows:

Set up MBH/DWH next to the heat pump�1�

Install the flexible hose (086U6887) from the 3-way clamp ring 2�

connector with bleed screw on the heat pump (A) to the 3-way

clamp ring connector with bleed screw on the inlet on MBH/DWH

(B)�

Install the flexible hose (086U6887) from the 3-way clamp ring 3�

connector with bleed screw on MBH/DWH (C) to the 3-way clamp

ring connector with bleed screw (D) on the heat pump�

Install a copper pipe between the HW (hot water) connection on 4�

the heat pump to the CW (cold water) connection on MBH/DWH�

23

Changing the control’s peak sen-9.7

sor

1

2

4

3

5

6

7

Sensors in the heat pump and MBH/DWH.Figure 10.

Image description

Heat pump1

Existing hot water sensor in heat pump2

Connection 325,326 for peak sensor3

Disconnected peak sensor in heat pump4

Peak sensor in MBH/DWH5

Hot water sensor in MBH/DWH not used6

MBH/DWH7

When the heat pump produces hot water, control must use the

peak sensor in MBH/DWH instead of the heat pump’s peak sensor�

Reconnect as follows:

On the heat pump's I/O card, disconnect the connector for the 1�

heat pump’s peak sensor at connection 325,326�

Pull the MBH/DWH peak sensor cable through the cable grommet 2�

in the top panel�

Pull the cable in to the heat pump through the cable grommet in 3�

the top panel�

Connect the MBH/DWH peak sensor connector to the I/O card’s 4�

connection 325,326�

Coil any excess cabling and secure the cable using a cable tie�5�

Bleeding coils in the heaters9.8

C

B

KV

VV

A

D

3

1

2

4

BleedingFigure 11.

Image description

Heat pump1

MBH/DWH2

Plugged flexible hose3

Hose to bucket at outlet4

Fill and bleed the entire heating system with circulation pump shut off�

Then vent MBH/DWH as follows:

Detach the flexible hose at the 3-way clamp ring connector with 1�

bleed screw (B) on MBH/DWH and plug the loose hose end�

Connect an air hose in the 3-way clamp ring connector bleed 2�

screw (B) on MBH/DWH and route it down to a bucket, preferably

one that can overflow into a floor drain or similar�

Ensure that HGW shunt in the heat pump is closed� 3�

Menu SERVICE -> MANUAL TEST -> HGW-SHUNT, set the value to

+�

Open the filler for the heating system and allow water to flow 4�

through the coil in MBH/DWH�

Let the flow run through the loop until there are no air bubbles in 5�

the bucket that the air hose is lying in� The pipe system to be bled

is long so allow the water to run for a long time when bleeding�

Close the filler and reinstall the flexible hose on the 3-way clamp 6�

ring connector with bleed screw (B) on MBH/DWH�

Bleed the system at all bleed screws on the hose connections on 7�

the heat pump and MBH/DWH�

Reinstall the fronts�8�

24

Heat pump with water heater

Description10.

Connector is an accessory/system solution for customers with large

hot water requirements�

Connector makes it easy to connect a heat pump with built-in water

heater, with a separate MBH/DWH water heater to maintain a large hot

water volume�

Both hot water heaters in the heat pump and MBH/DWH are connect-

ed in series so that the MBH/DWH water heater is the primary heater

and the built-in heater in the heat pump acts as a secondary heater�

Most of the important hoses, pipes and connectors are included in

Connector installation kit� Some pipes must, however, must be fabri-

cated at the installation site by the installer�

Installation description11.

The heat pump and MBH/DWH are connected in series by cutting the

water flow s from the exchange valve e and allowing it to flow to

MBH/DWH’s connection for hot water charging i� The return from the

coil in MBH/DWH is connected to the heat pump’s heater connection,

the inlet to the heating coil y�

10

1

2

3

5

6 7

11

8

9

4

Connection for hot water productionFigure 12.

Image description

Heat pump1

Secondary hot water heater2

Exchange valve3

From heating system4

To heating system5

Heater connection6

Flexible hose7

Charging MBH/DWH8

Primary water heater9

MBH/DWH10

Cut and remove the existing pipe11

The connections for cold water and domestic hot water are connected

as follows:

Incoming cold water • e connects to heat pump�

Connection for domestic hot water • w on the heat pump is con-

nected to the cold water connection on MBH/DWH y�

Domestic hot water is taken from MBH/DWH • t�

1

2

3

4

5

6

7

Connection for domestic hot waterFigure 13.

Image description

Heat pump1

Domestic hot water (HW) is connected to MBH/DWH2

Cold water3

Copper pipe connection4

Tap hot water5

Cold water (CW), is connected to the heat pump6

MBH/DWH7

In order for the heat pump’s regulation to control the temperature in

MBH/DWH, the heat pump’s peak sensor must be disconnected and

MBH/DWH’s peak sensor connected�

25

Installation kit12.

Installation kitTable 3:

Pos. Part no. Quantity Name

1 086U2458

4 3-way clamp ring connection,

22x22x15

2 086U2459

4 Bleed screw 15

3 086U3610

1 Replacement pipe, copper

4 086U0229

1 Reducer 28/22

5 086U2371

2 Straight clamp ring connector,

22x22

6 086U3600

2 Copper pipe, 22

7 086U3160

2 Seal washer

8 086U2956

2 Flexible hose

9 086U7367

1 Installation instructions,

26

Installation13.

Prepare MBH/DWH13.1

1

3

2

4

5

Prepare MBH/DWHFigure 14.

Image description

Front panel1

T-connector, pipe, straight clamp ring connector with bleed 2

screw

Top panel3

Copper pipe with drain valve4

Clip clamp5

Prepare MBH/DWH as follows:

Detach and lift off the front panel�1�

Slacken off the screws holding the top panel� Lift the panel off 2�

carefully�

Slacken off the screw with the clip clamp holding the copper 3�

pipe�

Detach the T-connector from MBH/DWH�4�

Remove the T-connector, pipe, clamp ring connector with bleed 5�

screw and copper pipe�

Install connectors MBH/DWH13.2

1

2

Prepare connectors on MBH/DWHFigure 15.

Image description

Straight clamp ring connector1

Copper pipe2

Prepare pipe connectors as follows:

Install a straight clamp ring connector (086U2371) with a copper 1�

pipe (086U3600) on the water pipe�

3

2

1

Connectors installedFigure 16.

Image description

Front panel1

Top panel2

3-way clamp ring connector with bleed screw3

Install connectors as follows:

Reinstall the top and front panels�1�

Install a 3-way clamp ring connector (086U2458) with bleed screw 2�

(086U2459) on the copper pipes�

27

Preparing the heat pump13.3

2

4

1

3

Removing the heat pumpFigure 17.

Image description

Exchange valve1

Water pipe2

Knockout3

T-connector with copper pipe4

Remove parts of the heat pump as follows:

Remove the front plate� 1�

Tap out the knock out in the top panel� 2�

Detach the water pipe at the T-connector and at the exchange 3�

valve�

Remove the water pipe, T-connector and the copper pipe�4�

Installing replacement pipes13.4

2

5

4

3

1

Installing replacement pipesFigure 18.

Image description

Exchange valve1

Reducer (certain models)2

Replacement pipe3

Copper pipe4

Straight clamp ring connector5

Install replacement pipes as follows:

Install the replacement pipe (086U6886) on the exchange valve� 1�

On certain models a reducer can be used (

086U0229)�

On the inlet to the heater the following are installed:

Install a straight clamp ring connector (086U2371) on the end of 1�

the water pipe�

Install a copper pipe (086U3600) on the clamp ring connector 2�

(086U2371)�

28

Install connectors on heat pump13.5

1

2

4

3

Installing connectionsFigure 19.

Image description

Front panel1

Top panel2

Seal washer3

3-way clamp ring connector with bleed screw4

Install connectors as follows:

Reinstall the front panels�1�

Install seal washer (086U3160) in the top panel for the replace-2�

ment pipe (

086U3610)

�

Install a 3-way clamp ring connector (086U2458) with bleed screw 3�

(086U2459) on the replacement pipe (

086U3610)

�

Install a 3-way clamp ring connector (086U2458) with bleed screw 4�

(086U2459) on the copper pipe (086U3600) for the connection to

MBH/DWH�

Connect MBH/DWH to the heat 13.6

pump

C

B

KV

VV

A

D

2

5

3

1

4

Connecting MBH/DWHFigure 20.

Image description

Heat pump1

Copper pipe2

Flexible hose3

MBH/DWH4

Flexible hose5

Connect hoses and pipes between MBH/DWH and the heat pump as

follows:

Set up MBH/DWH next to the heat pump�1�

Install the flexible hose (086U2956) from the 3-way clamp ring 2�

connector with bleed screw on the heat pump (A) to the 3-way

clamp ring connector with bleed screw on the inlet on MBH/DWH

(B)�

Install the flexible hose (086U2956) from the 3-way clamp ring 3�

connector with bleed screw on MBH/DWH (C) to the 3-way clamp

ring connector with bleed screw (D) on the heat pump�

Install the copper pipe between the HW (hot water) connection on 4�

the heat pump to the CW (cold water) connection on MBH/DWH�

29

Changing the control’s peak sen-13.7

sor

1

2

4

3

5

6

7

Sensors in the heat pump and MBH/DWHFigure 21.

Image description

Heat pump1

Existing hot water sensor in heat pump2

Connection 325,326 for peak sensor3

Disconnected peak sensor in heat pump4

Peak sensor in MBH/DWH5

Hot water sensor in MBH/DWH not used6

MBH/DWH7

When the heat pump produces hot water, control must use the

peak sensor in MBH/DWH instead of the heat pump’s peak sensor�

Reconnect as follows:

On the heat pump's I/O card, disconnect the connector for the 1�

heat pump’s peak sensor at connection 325,326�

Pull the MBH/DWH peak sensor cable through the cable grommet 2�

in the top panel�

Pull the cable in to the heat pump through the cable grommet in 3�

the top panel�

Connect the MBH/DWH peak sensor connector to the I/O card’s 4�

connection 325,326�

Coil any excess cabling and secure the cable using a cable tie�5�

Bleeding coils in the heaters13.8

C

B

KV

VV

A

D

3

1

2

4

BleedingFigure 22.

Image description

Heat pump1

MBH/DWH2

Plugged flexible hose3

Hose to bucket at outlet4

Fill and bleed the entire heating system with circulation pump shut off�

Then vent MBH/DWH as follows:

Detach the flexible hose at the 3-way clamp ring connector with 1�

bleed screw (B) and plug the loose hose end�

Connect an air hose in the 3-way clamp ring connector bleed 2�

screw (B) and route it down to a bucket, preferably one that can

overflow into a floor drain or similar�

Ensure that the exchange valve in the heat pump is closed� 3�

Menu SERVICE -> MANUAL TEST -> REV�V� HOT WATER, set the

value to 1�

Open the filler for the heating system and allow water to flow 4�

through the coil in MBH/DWH�

Let the flow run through the loop until there are no air bubbles in 5�

the bucket that the air hose is lying in� The pipe system to be bled

is long so allow the water to run for a long time when bleeding�

Close the filler and reinstall the flexible hose on the 3-way clamp 6�

ring connector with bleed screw (B)�

Bleed the system at all bleed screws on the hose connections on 7�

the heat pump and MBH/DWH�

Reinstall the fronts�8�

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Danfoss Connector DHP-H Opti Pro + DWH Installation guide

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