Bedienungsanleitung Dimplex SIH 9TE (Seite 22 von 52) (Deutsch, Englisch, Französisch)

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SIH 9TE - SIH 11TE

4) The contactor (K20) for the immersion heater (E10) of mono

energy systems (HG2) should be dimensioned according to

the radiator output and must be supplied by the customer. It

is controlled (230 V AC) by the heat pump manager via ter-

minals N and N1-J13/NO4.

5) The contactor (K21) for the flange heater (E9) in the hot

water cylinder should be dimensioned according to the radi-

ator output and must be supplied by the customer. It is con-

trolled (230 V AC) by the heat pump manager via terminals

N and N1-J16/NO 10.

6) The contactors mentioned above in points 3, 4 and 5 are in-

stalled in the electrical distribution system. Mains cables for

the installed heaters must be laid and secured in accord-

ance with the valid standards and regulations.

7) All installed electric cables must have permanent wiring.

8) The heat circulating pump (M13) is connected to N1-J13/

NO5 and X2/N. When using pumps where the switching ca-

pacity exceeds the output, a coupling relay must be inter-

posed.

9) The auxiliary circulating pump (M16) is connected to N1-

J16/NO9 and X2/N. When using pumps where the switching

capacity exceeds the output, a coupling relay must be inter-

posed.

10) The domestic hot water circulating pump (M18) is connected

to N1-J12/NO6 and X2/N. When using pumps where the

switching capacity exceeds the output, a coupling relay must

be interposed.

11) The brine or well pump (M11) is connected to N1-J12/NO3

and X2/N. When using pumps where the switching capacity

exceeds the output, a coupling relay must be interposed.

12) The return sensor (R2) is integrated into heat pumps for in-

door installation.

The heat pump manager is connected via the following ter-

minals: GND and N1-J2/U2.

13) The external sensor (R1) is connected to terminals GND and

N1-J2/U1.

14) The domestic hot water sensor (R3) is included with the do-

mestic hot water cylinder and is connected to terminals X3/

GND and N1-J2/U3..

7.5.3 Connecting an electronically

regulated circulating pump

Electronically regulated circulating pumps have high starting cur-

rents, which may shorten the service life of the heat pump man-

ager. For this reason, a coupling relay is installed or must be in-

stalled between the output of the heat pump manager and the

electronically regulated circulating pump. This is not necessary if

the permissible operating current of 2 A and a maximum starting

current of 12 A are not exceeded in the electronically regulated

circulating pump or if express approval has been issued by the

pump manufacturer.

ATTENTION!

It is not permitted to connect more than one electronically regulated

circulating pump via a relay output.

8 Commissioning

8.1 General Information

To ensure that start-up is performed correctly, it should only be

carried out by an after-sales service technician authorised by the

manufacturer. These measures can also include an additional

warranty under certain conditions (see Warranty).

8.2 Preparation

The following items need to be checked prior to start-up:

The heat pump must be fully connected, as described in

Chapter 7.

The heat source system and the heating circuit must have

been filled and checked.

The dirt trap must be inserted in the brine inlet of the heat

pump.

All valves that could impair proper flow in the brine and heat-

ing circuits must be open.

The heat pump manager must be adapted to the heating

system in accordance with the controller’s operating instruc-

tions.

8.3 Start-up Procedure

The heat pump is started up via the heat pump manager.

ATTENTION!

The heat pump must be started up in accordance with the installation and

operating instructions of the heat pump manager.

If an overflow valve is fitted to assure the minimum heating water

flow rate, the valve must be set in accordance with the require-

ments of the respective heating system. Incorrect adjustment

can lead to faulty operation and increased energy consumption.

We recommend carrying out the following procedure to correctly

adjust the overflow valve:

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. This normally means the heating circuits

of the rooms on the south and west sides of the building. At least

one heating circuit must remain open (e.g. bathroom).

The overflow valve should be opened far enough to produce the

maximum temperature spread between the heating flow and re-

turn flow listed in the table below for the current heat source tem-

perature. The temperature spread should be measured as close

as possible to the heat pump. The heating element of mono en-

ergy systems should be disconnected during start-up.

Heat source

temperature

Max. temperature spread

between heating flow and return

flow

From To

-5° C 0° C 10 K

1° C 5° C 11 K

6° C 9° C 12 K

10° C 14° C 13 K

15° C 20° C 14 K

21° C 25° C 15 K

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