Table of Contents
Advertisement
9 Electrical installation
In this chapter
9.1 About connecting the electrical wiring
9.1.1 Precautions when connecting the electrical wiring
EPRA14~18DAV3+W1 + ETVH16SU18+23EA6V
Daikin Altherma 3 H HT F
4P644738-1 - 2021.02
9.1
About connecting the electrical wiring .................................................................................................................................. 101
9.1.1
Precautions when connecting the electrical wiring .............................................................................................. 101
9.1.2
Guidelines when connecting the electrical wiring ................................................................................................ 102
9.1.3
About electrical compliance .................................................................................................................................. 103
9.1.4
About preferential kWh rate power supply........................................................................................................... 104
9.1.5
Overview of electrical connections except external actuators............................................................................. 104
9.2
Connections to the outdoor unit............................................................................................................................................ 105
9.2.1
To connect the electrical wiring to the outdoor unit ............................................................................................ 105
9.2.2
To reposition the air thermistor on the outdoor unit ........................................................................................... 111
9.3
Connections to the indoor unit .............................................................................................................................................. 112
9.3.1
To connect the main power supply ....................................................................................................................... 115
9.3.2
To connect the backup heater power supply........................................................................................................ 117
9.3.3
To connect the shut-off valve ................................................................................................................................ 120
9.3.4
To connect the electricity meters.......................................................................................................................... 121
9.3.5
To connect the domestic hot water pump............................................................................................................ 122
9.3.6
To connect the alarm output ................................................................................................................................. 123
9.3.7
To connect the space cooling/heating ON/OFF output ........................................................................................ 124
9.3.8
To connect the changeover to external heat source ............................................................................................ 125
9.3.9
To connect the power consumption digital inputs ............................................................................................... 126
9.3.10
To connect the safety thermostat (normally closed contact)............................................................................... 127
9.3.11
To connect a Smart Grid ........................................................................................................................................ 128
9.3.12
To connect the WLAN cartridge (delivered as accessory)..................................................................................... 132
9.4
After connecting the electrical wiring to the indoor unit...................................................................................................... 132
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
Also read the precautions and requirements in the
4
precautions" [
4
unit" [
105]
4
unit" [
112]
10].
9
Electrical installation
|
"2 General safety
Installer reference guide
101
Advertisement
Table of Contents
