Daikin EHBX08DA9W - To Fill the Water Circuit; To Fill the Domestic Hot Water Tank; To Insulate the Water Piping; Connecting the Electrical Wiring

7 Installation
Installer reference guide
42
ERGA04~08DAV3(A) + EHBH/X04+08DA
Daikin Altherma – Low temperature split
4P496758-1 – 2017.12
(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
1 Remove the switch box cover.
2×
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.
Ensure stress relief by using the wire clamp.
a
c
d
1N~ 50 Hz
220-240 V
b
a Interconnection cable
b Power supply cable
c Fuse
d Earth leakage circuit breaker
1 2 3
L N
L N PWR
12 3
3×
a
a Wire clamp
4 Reattach the switch box cover.
5 Optional: Attach the wire clamp (accessory) to the screw of the
refrigerant piping cover, and fix the cables to it with a cable tie.
1×
1×
6 Connect an earth leakage circuit breaker and fuse to the power
supply line.
7.9.7 To connect the electrical wiring on the
indoor unit
1 Open the switch box so that you can access the back of the
switch box. See "7.2.3To open the indoor unit"on page30.
2 Route the wiring as follows:
▪ Enter the unit from the bottom.
▪ Route the wiring via the back of the switch box.
▪ Fix the cables with cable ties to the cable tie mountings at
the back of the switch box.
b
a
X2M X1M
X5M
d
b+ca
c
a, b, c Field wiring (see table below)
d Factory-mounted cable for power supply of backup heater
INFORMATION
When installing field supply or option cables, foresee
sufficient cable length. This will make it possible to open
the switch box and gain access to other components
during service.
Routing Possible cables (depending on unit type
and installed options)
a
Low voltage
▪ Preferential power supply contact
▪ User interface used as room thermostat
(option)
▪ Power consumption digital inputs (field
supply)
▪ Outdoor ambient temperature sensor
(option)
▪ Indoor ambient temperature sensor
(option)
▪ Electrical meters (field supply)
▪ Safety thermostat (field supply)
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