About connecting the electrical wiring ..................................................................................................................................

9.1.1

Precautions when connecting the electrical wiring ..............................................................................................

9.1.2

Guidelines when connecting the electrical wiring ................................................................................................

9.1.3

About electrical compliance ..................................................................................................................................

9.1.4

About preferential kWh rate power supply...........................................................................................................

9.1.5

Overview of electrical connections except external actuators.............................................................................

9.2

Connections to the outdoor unit............................................................................................................................................

9.2.1

To connect the electrical wiring to the outdoor unit ............................................................................................

9.2.2

To reposition the air thermistor on the outdoor unit ...........................................................................................

9.3

Connections to the indoor unit ..............................................................................................................................................

9.3.1

To connect the main power supply .......................................................................................................................

9.3.2

To connect the backup heater power supply........................................................................................................

9.3.3

To connect the shut-off valve ................................................................................................................................ 101

9.3.4

To connect the electricity meters.......................................................................................................................... 102

9.3.5

To connect the domestic hot water pump............................................................................................................ 103

9.3.6

To connect the alarm output ................................................................................................................................. 104

9.3.7

To connect the space cooling/heating ON/OFF output ........................................................................................ 105

9.3.8

To connect the changeover to external heat source ............................................................................................ 106

9.3.9

To connect the power consumption digital inputs ............................................................................................... 107

9.3.10

To connect the safety thermostat (normally closed contact)............................................................................... 108

9.3.11

To connect a Smart Grid ........................................................................................................................................ 110

9.3.12

To connect the WLAN cartridge (delivered as accessory)..................................................................................... 114

9.4

After connecting the electrical wiring to the indoor unit...................................................................................................... 114

Before connecting the electrical wiring

Make sure the water piping is connected.

Typical workflow

Connecting the electrical wiring typically consists of the following stages:

▪

"9.2 Connections to the outdoor

▪

"9.3 Connections to the indoor

DANGER: RISK OF ELECTROCUTION

WARNING

ALWAYS use multicore cable for power supply cables.

INFORMATION