7 Installation
Installer reference guide
41
ERHQ+ERLQ011~016 + EHBH/X11+16CB
Daikin Altherma – Low temperature split
4P384974-1 – 2015.01
Component
V3
W1
ERHQ
ERLQ
ERHQ
ERLQ
Earth leakage circuit breaker
Must comply with applicable
legislation
(a)
MCA=Minimum circuit ampacity. Stated values are
maximum values (see electrical data of combination with
indoor units for exact values).
7.9.6
To connect the electrical wiring on the
outdoor unit
NOTICE
▪ Follow the wiring diagram (delivered with the unit,
located at the inside of the service cover).
▪ Make sure the electrical wiring does NOT obstruct
proper reattachment of the service cover.
1
Remove the service cover. See
"7.2.2 To open the outdoor
unit" on page 29
.
2
Strip insulation (20 mm) from the wires.
a
b
a
Strip wire end to this point
b
Excessive strip length may cause electrical shock or
leakage.
3
Connect the interconnection cable and power supply as follows:
c
b
a
d
V3
1~ 50 Hz
230 V
W1
3N~ 50 Hz
400 V
L1
L3
L2
L1
L3
L2
a
Interconnection cable
b
Power supply cable
c
Earth leakage circuit breaker
d
Fuse
d
b
a
V3
W1
e
h
f
d
g
e
h
f
g
c
c
a
Switch box
b
Stop valve attachment plate
c
Earth
d
Cable tie
e
Interconnection cable
f
Power supply cable
Only if bottom plate heater is installed (option for ERHQ):
g
Bottom plate heater cable
h
Power supply cable of the bottom plate heater (from the
indoor unit)
INFORMATION
ERLQ units control the bottom plate heater internally (field
wiring NOT required).
4
Fix the cables (power supply, interconnection cable and power
supply of the bottom plate heater (if applicable)) with a cable tie
to the stop valve attachment plate.
5
Route the wiring through the frame and connect it to it.
Routing through
the frame
Choose one of the 3 possibilities:
a
b
a
b
a
b
2
3
1
a
Power supply, earth wiring, and bottom
plate heater wire (if applicable)
b
Interconnection cable
