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5 Starting up the outdoor unit
Installation manual
10
EPGA11~16DAV3
Daikin Altherma – Low temperature split
4P556065-1 – 2018.10
4.4.2
Guidelines when connecting the electrical
wiring
Tightening torques
Item
Tightening torque (N•m)
M4 (X1M)
1.2~1.5
M4 (earth)
4.4.3
Specifications of standard wiring
components
Component
EPGA11~16DAV3
Power supply
cable
MCA
(a)
30.7 A
Voltage
230 V
Phase
1~
Frequency
50 Hz
Wire sizes
Must comply with applicable
legislation
Interconnection cable
Minimum cable section of
1.5 mm² and applicable for 230 V
Recommended field fuse
(b)
32 A
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).
(b)
The minimum allowed field fuse is 20 A.
4.4.4
To connect the electrical wiring on the
outdoor unit
1
Remove the switch box cover. See
"4.1.1 To open the outdoor
unit" on page 6
.
2
Insert the wiring at the back of the unit:
b
c
a
a
Power supply cable (high voltage)
b
Communication cable (high voltage)
c
Cable for bottom plate heater (optional)
3
Inside the unit, route the wiring as follows:
b
f
a
e
e
d
c
e
e
e
a
Power supply cable
b
Communication cable
c
Cable for bottom plate heater (optional)
d
Ferrite core
e
Tie strap
f
Compressor
NOTICE
To guarantee electromagnetic compatibility:
▪ Make sure both power supply and communication
cables run parallel to one another. Use tie straps to
hold the cables together.
▪ Make sure the cables are located as far away from the
compressor as possible.
▪ The communication cable MUST pass through the
ferrite core.
4
Make sure that the cable does NOT come in contact with sharp
edges or hot gas piping.
5
Install the switch box cover.
INFORMATION
When installing field supply or option cables, foresee
sufficient cable length. This will make it possible to remove/
reposition the switch box and gain access to other
components during service.
CAUTION
Do NOT push or place redundant cable length in the unit.
5
Starting up the outdoor unit
See the indoor unit installation manual for configuration and
commissioning of the system.
Summary of Contents for Altherma EPGA11DAV3
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