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9 Installation
Installer reference guide
45
EJHA EHY32AA
Daikin Altherma Hybrid hydrosplit heat pump
4P531180-1 – 2018.06
a
b
a
Strip wire end to this point
b
Excessive strip length may cause electrical shock or
leakage.
3
Insert the wiring at the back of the unit:
a
b
c
d
a~d
See below
4
If you insert cables through the knockout holes
c
and
d
:
▪ Punch the knockout holes using a hammer and screw driver.
▪ Insert the cable glands (delivered as accessory).
5
Inside the unit, route the wiring to the switch box as follows:
3×
a
b
c
d
a~d
See below
6
Inside the switch box, connect the wires to the appropriate
terminals.
7
After connecting all wiring, close the front plate and the top
plate.
Connections in case of third-party gas boiler
Routing
Possible cables (depends on the installed
options)
a
Main power supply
(high voltage)
Main power supply
Routing
Possible cables (depends on the installed
options)
b
User interface (low
voltage)
User interface (mandatory option)
c
High voltage
▪ Bivalent signal for third-party gas boiler
(field supply)
▪ External pump cable – Power supply
(mandatory option)
d
Low voltage
▪ External outdoor temperature sensor
(option)
▪ LAN adapter (option)
▪ External pump cable – PWM signal
(mandatory option)
INFORMATION
Bottom plate heater (option)
. For the routing, see the
installation manual of the bottom plate heater.
To connect the main power supply
1
Connect the main power supply to the appropriate terminals as
shown in the illustration below.
1N~ 50 Hz
220-240 V
PE
N
L
Q1DI
1
2
3
L
N
X2M
1×
a
3×
a
Recommended field fuse: 20 A
Q1DI
Earth leakage circuit breaker
2
Fix the cable with cable ties to the cable tie mountings.
Содержание Altherma EHY2KOMB28AA
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