Technical data

ManualsBrandsDimplex ManualsHeat PumpLA 10MR

Control and Regulation 7.1.2

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7 Control and Regulation

The elements of the simplified regulation of air-to-water heat

pumps and brine-to-water heat pumps are identical. The controls

are integrated in the unit with the brine-to-water heat pumps

installed. By contrast, the air-to-water heat pumps installed

outdoors are equipped with a remote controller which is normally

installed inside the building. With the air-to-water heat pump LAK

10MR, the room temperature recording and regulation is

integrated in the remote controller and must therefore be placed

in the respective reference room.

The controller board is integrated in the housing of both device

types and the respective cover of the heat pump must be

dismantled for this purpose. The regulation elements and

displays of the two heat pump type differ as described below:

7.1 Regulation and display with air-to-water heat pumps

7.1.1 Remote controller for return temperature regulation

The air-to-water heat pumps installed outdoors are equipped

with a remote controller as shown in figure 7.1. This remote

controller is mounted inside the building and controls all functions

of the heat pump. The heat pump can be switched on with switch

1 or set to "standby" operation. The heat pump is supplied with

line voltage in "standby" operation to keep the antifreeze function

active. If the heating water temperatures drop below 10 °C in

heating mode, the heat circulating pump is first started and if this

does not lead to an increase of the heating water temperature,

the compressor is also activated.

Switch 3 of the remote controller is used to switch between the

two operating modes "Heating" and "Cooling". The heat pump

responds to a change of the operating mode with a delay of

approx. 10 min. to prevent direct switching from heating to

cooling operation.

The return set temperature of the heating water can be set with

setpoint regulator 4.

Fig. 7.1: Wall-mounted remote controller of air-to-water heat pumps

1) Switch ON/Standby

2) The green LED lights up independent of the switch position

(indicating the heat pump is ready for operation)

3) "Heating switch" (left-hand position)

"Cooling" switch (right-hand position)

4) Setpoint regulator for heating water temperature

7.1.2 Remote controller with room temperature sensor for room temperature regulation

(only LAK 10MR!)

The remote control with room temperature sensor should be

installed in a reference room at a suitable location (height

approx. 1 m) in the building. Based on experience, a living room,

for example, is a suitable reference room. Based on the

temperature in this room, the entire heating of the building is then

regulated. The heat pump can be switched on and off with the

remote controller whereby switching off means that the heat

pump is set to "standby" operation. If the heat pump is supplied

with line voltage, the antifreeze function of the heat pump

remains active, as already described.

Furthermore, the heating or cooling operating modes as well as

the setpoint of the room temperature can be adjusted with the

remote controller.

Fig. 7.2: Wall-mounted remote controller of air-to-water heat pumps