Connections To The Indoor Unit - Daikin Altherma 3 R ECH2O Installer's Reference Manual
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Table of Contents
9
|
Electrical installation
9.3 Connections to the indoor unit
Installer reference guide
130
Connecting to the
frame
NOTICE
Precautions when making knockout holes:
▪
Avoid damaging the casing and underlying piping.
▪
After making the knockout holes, we recommend to remove the burrs and paint
the edges and areas around the edges using repair paint to prevent rusting.
▪
When passing electrical wiring through the knockout holes, wrap the wiring with
protective tape to prevent damage.
7 Reattach the service cover. See
8 Connect an earth leakage circuit breaker and fuse to the power supply line.
Item
Power supply (main)
Power supply (backup
heater)
Backup heater
Shut-off valve
Electricity meters
Domestic hot water pump
Alarm output
When cables are routed from the unit, a protection
sleeve for the conduits (PG insertions) can be
inserted at the knockout hole.
When you do not use a wire conduit, protect the
wires with vinyl tubes to prevent the edge of the
knockout hole from cutting the wires.
A
B
a
c d
b
A Inside of the outdoor unit
B Outside of the outdoor unit
a Wire
b Bush
c Nut
d Frame
e Hose
"7.2.3 To close the outdoor
Description
See
"9.3.2 To connect the main power
4
supply" [
135].
See
"9.3.3 To connect the backup heater power
4
supply" [
137].
See
"9.3.4 To connect the backup heater to the main
4
unit" [
140].
See
"9.3.5 To connect the shut-off
See
"9.3.6 To connect the electricity
See
"9.3.7 To connect the domestic hot water
4
pump" [
143].
See
"9.3.8 To connect the alarm
ERLA11~16DAV3+W1 + EBSH/X(B)11+16P30+50DF
e
4
unit" [
84].
4
valve" [
141].
4
meters" [
142].
4
output" [
144].
Daikin Altherma 3 R ECH₂O
4P663482-1B – 2022.07
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