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Installation
Installer reference guide
76
C08AF + EHYKOMB33A
Daikin Altherma R Hybrid
4P471761-1E – 2020.10
7.10 Connecting the electrical wiring
7.10.1 About connecting the electrical wiring
Typical workflow
Connecting the electrical wiring typically consists of the following stages:
1
Making sure the power supply system complies with the electrical
specifications of the heat pump.
2
Connecting the electrical wiring to the outdoor unit.
3
Connecting the electrical wiring to the indoor unit.
4
Connecting the main power supply of the indoor unit.
5
Connecting the main power supply of the gas boiler.
6
Connecting the communication cable between the gas boiler and the indoor
unit.
7
Connecting the user interface.
8
Connecting the shut-off valves.
9
Connecting the domestic hot water pump.
10
Connecting the alarm output.
11
Connecting the space heating ON/OFF output.
12
Connecting the safety thermostat.
7.10.2 Precautions when connecting the electrical wiring
INFORMATION
Also read the precautions and requirements in the following chapters:
▪
General safety precautions
▪
Preparation
DANGER: RISK OF ELECTROCUTION
WARNING
ALWAYS use multicore cable for power supply cables.
7.10.3 Guidelines when connecting the electrical wiring
Keep the following in mind:
▪
If stranded conductor wires are used, install a round crimp-style terminal on the
end of the wire. Place the round crimp-style terminal on the wire up to the
covered part and fasten the terminal with the appropriate tool.
b
a
a
Stranded conductor wire
b
Round crimp-style terminal
▪
Use the following methods for installing wires: