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

Safety device requirements ...................................................................................................................................

9.2

Overview of electrical connections for external and internal actuators...............................................................................

9.2.1

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

9.2.2

To connect the remote outdoor sensor ................................................................................................................

9.2.3

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

9.2.4

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

9.2.5

To connect the domestic hot water pump............................................................................................................ 100

9.2.6

To connect the alarm output ................................................................................................................................. 101

9.2.7

To connect the space cooling/heating ON/OFF output ........................................................................................ 102

9.2.8

To connect the changeover to external heat source ............................................................................................ 104

9.2.9

To connect the power consumption digital inputs ............................................................................................... 105

9.2.10

To connect the safety thermostat (normally closed contact)............................................................................... 106

9.2.11

To connect the brine low pressure switch ............................................................................................................ 107

9.2.12

To connect the thermostat for passive cooling..................................................................................................... 109

Before connecting the electrical wiring

Make sure the central water loop piping and the water piping are connected.

Typical workflow

See

"9.2 Overview of electrical connections for external and internal

actuators" [

89].

DANGER: RISK OF ELECTROCUTION

WARNING

▪

All wiring MUST be performed by an authorised electrician and MUST comply

with the applicable legislation.