Connecting The Heat Pump To The Power Supply; Safety Switch And Earth-Fault Breaker; Installing The Sensor - IVT Greenline HT Plus C Assembly, Commissioning And Maintenance Manual

Connecting the heat pump to
the power supply
Make sure the electricity has been switched off before connecting the heat
pump to the mains. Check that cables and printed circuit cards are intact.
High and low current cables should be routed separately in order to
avoid interference on the sensors.
Wiring diagram supplied with the heat pump.
A description of external connections is given in this section. Examples of
external connections include room and outdoor sensors and mixing valves.

Safety switch and earth-fault breaker

Safety switch
All heat pumps must be fi tted with a safety switch.
Earth-fault breaker
If the heat pump is to be connected across an earth-fault breaker then a
separate earth-fault breaker for the heat pump is recommended. Comply with
applicable regulations.

Installing the sensor

Install fl ow line sensor T1 in direct contact with the fl ow line pipe, approxi-
mately 1-2 meters from the heat pump and preferably at a 90º bend (horizon-
tally).
Install outdoor sensor T2 on the north facing side of the house.
Hot water sensor T3 is supplied with hot water cylinder.
Position room sensor T5 centrally in the house. The room sensor must not be
positioned in rooms where it can be affected by other factors, e.g. stoves or
fan-assisted radiators or sunlight.

Connecting the heat pump to the power supply

The electrical installation may only be
performed by a qualifi ed electrician.
For reasons of safety the main power
supply must be disconnected before
working on the heat pump.
It is only the room where the room
sensor is located that can infl uence
regulation of the temperature.
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Warning
Note