9 Installation
Installer reference guide
46
EJHA EHY32AA
Daikin Altherma Hybrid hydrosplit heat pump
4P531180-1 – 2018.06
To connect the user interface
#
Action
1
Connect the user interface cable to the outdoor unit.
Fix the cable with cable ties to the cable tie mountings.
1
2
P1
P2
X5M
1×
a
a
User interface. The user interface is required for
operation, but has to be ordered separately (mandatory
option).
2
Insert a screwdriver into the slots underneath the user
interface and carefully separate the faceplate from the
wallplate.
The PCB is mounted in the faceplate of the user interface.
Be careful NOT to damage it.
3
Fix the wallplate of the user interface to the wall.
4
Connect as shown in 4A, 4B, 4C or 4D.
5
Reinstall the faceplate onto the wallplate.
Be careful NOT to pinch the wiring when attaching the
frontplate to the unit.
4A From the rear
b
a
PCB
1×
4B From the left
a
PCB
b
1×
4C From the top
a
b
PCB
b
1×
4D From the top centre
a
PCB
b
b
1×
a
Notch this part for the wiring to pass through with nippers
etc.
b
Secure the wiring to the front part of the casing using the
wiring retainer and clamp.
To connect the bivalent signal for third-party gas
boiler
1
Connect the bivalent signal for third-party gas boiler to the
appropriate terminals as shown in the illustration below.
7
8
X2M
a
L N
3×
1×
a
Bivalent signal for third-party gas boiler
2
Fix the cable with cable ties to the cable tie mountings.
To connect the external pump
NOTICE
External pump
. In case of third-party gas boiler, you must
install
the
mandatory
options
EKADDONJH
and
EKADDONJH2 (= connection kit for third-party gas boiler).
This includes connecting the external pump to the outdoor
unit. For installation instructions, see the installation
manual of the connection kit.
9.8
Connecting the gas piping
9.8.1
To connect the gas pipe
1
Connect a gas valve to the 15 mm gas connection of the gas
boiler and connect it to the field pipe according to local
regulations.
