Manual Dimplex LAW 9IMR (page 39 of 100) (English, German, French)

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www.gdts.one 452162.66.04 · FD 9912 EN-13

LAW 9IMR - LAW 14ITR English

8.2.2 Indoor component

Two supply cables must be connected to the indoor compo-

nent: The power supply to the heat pump and the control volt-

age for the integrated heat pump manager (see Appendix

Chapter 3.3). (Load: 3~; 1x 5-core; control: 1~; 1x three-core)

The VDE directives and regulations and local conditions must

be taken into account in the design and installation of the ca-

bles.

Only with the heat pump combination with the 6 kW or 9 kW

outdoor unit can the power supply take place with two separate

supply cables (2x 1~/N/PE; 230 VAC; 50 Hz) via load distribu-

tion. Otherwise, the power supply always takes place with one

cable (3~/N/PE; 400 VAC; 50 Hz).

NOTE

The positions of the copper link cables in the terminals for the

power supply must be complied with. In factory default, the

copper link cables come connected correctly for a single

supply cable. For the 9 kW unit and when using two supply

cables, the positions of the copper link cables must be

changed (see Appendix, Load connection diagram Chap. 2.3).

The supply cable for the output section of the heat pump (up to

5-core) is fed from the electricity meter of the heat pump via

the utility blocking contactor (if required) into the heat pump

(see heat pump operating instructions for supply voltage). An

all-pole disconnecting device with a contact gap of at least 3

mm (e.g. utility company blocking contactor or power contac-

tor) as well as an all-pole circuit breaker with common tripping

for all external conductors must be installed in the power sup-

ply for the heat pump (tripping current and characteristic in

compliance with the device information).

The supply cable (1~L/N/PE~230 V, 50 Hz) for the heat pump

manager must have a continuous voltage. For this reason, it

should be tapped upstream from the utility blocking contactor

or be connected to the household current, because otherwise

important protection functions could be lost during a utility

block. The correct control voltage must be ensured according

to the general information leaflet/rating plate.

The utility blocking contactor (K22) with 3 main contacts (1/3/

5 // 2/4/6) and an auxiliary contact (NO contact 13/14) should

be dimensioned according to the heat pump output and must

be supplied by the customer. The NO contact of the utility

blocking contactor (13/14) is looped from terminal strip X3/G

to connector terminal N1-J5/ID3. CAUTION! Extra-low volt-

age!

The power supply must be connected to terminal strip X1 and

the control voltage to terminal X2 in the indoor component.

For detailed instructions on how to connect the external com-

ponents as well as how the heat pump manager functions,

please refer to the device connection diagram and the operat-

ing instructions supplied with the heat pump manager.

In factory default, the 2nd heat generator is connected with a 6

kW heat output. To reduce the output to 4 kW or 2 kW, one or

both of the two copper link cables must be removed from ter-

minal X7 (see circuit diagram).

For detailed information, see circuit diagrams in the Appendix.

The electrical cables can be fed into the unit from below (in the

refrigerant connection area) or from above (a duct moulded in

PU foam is located under the cylinder cover).

8.3 Final work

Once the pipes and electric cables have been connected, the

pipes must be bent and a number of tests carried out. The leak

test must be carried out with particular care, as a refrigerant

leak results in a direct reduction in output.

Leaks are also difficult to identify once the installation is com-

plete.

8.3.1 Pipe bends

Bend the pipe by covering the connection cable and refrigerant

pipe (between the indoor and outdoor unit) with insulation and

fix the insulation in place with two adhesive tapes.

1) Fix the refrigerant pipe, mains cable and connection cable

with adhesive tape from bottom to top. Fix the bound pipe-

work along the wall.

2) Form a siphon to prevent water from entering the chamber

and electrical components.

3) Fix the pipework to the wall using clamps or similar.

Wrap the pipework in adhesive tape

1) Fix the pipes, mains cable and connection cable with adhe-

sive tape from bottom to top. If they are fixed from top to

bottom, rain could enter into the pipes or cables.

2) Fix the bound pipework along the external wall with clamps

or similar.

3) A siphon prevents water from entering the electrics.

Drain hose

(not used)

Adhesive tape

(narrow)

Pipe

Wrapped in

adhesive tape

(wide)

A siphon prevents water from entering the electrics

Adhesive tape

Drain hose

(not used)

Refrigerant pipes

Connection cable

Mains cable

KlebebandKlebebandAdhesive tape

opening around opening around

the pipings with the pipings with

gum type sealer.gum type sealer.

Seal small gaps

around the pipe,

e.g. with silicon.

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Dimplex LAW 9IMR Manual

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