Table of Contents
9 Installation
3×
X2M
6
5
1×
2 Fix the cable with cable ties to the cable tie mountings.
To connect the main power supply of the gas
boiler
1 Connect the power supply cable of the gas boiler to a fuse (a)
(L: X2-2 (BRN), N: X2-4 (BLU)).
2 Connect the earthing of the gas boiler to an earthing terminal.
Result: The gas boiler performs a test.
display. After the test,
appears on the service display (wait mode).
The pressure in bar is shown on the main display.
a
X2
DANGER: RISK OF ELECTROCUTION
A fused spur or an unswitched socket MUST be located no
more than 1 m from the appliance.
CAUTION
For installation in damp rooms, a fixed connection is
obligatory. When working on the electrical circuit ALWAYS
isolate the electric supply.
To connect the electrical wiring to the gas boiler
1 Open the gas boiler.
2 Open the switch box cover of the gas boiler.
3 Enter the wiring through the bottom of the unit.
Installer reference guide
44
M
M2P
1~
1
appears on the service
f
e
d
c
b
a
Part
Low voltage
a
Interconnection
cable between
outdoor unit and gas
boiler (current loop
(*)
PCB)
b
Domestic hot water
tank thermistor
c
Room thermostat or
heat pump
convector
High voltage
d
Power supply
e + f
3‑way valve
(*)
For more information on the current loop installation, read
the manual in the accessory bag of the current loop.
4 If needed, remove the knock-out holes with a screwdriver and
attach the field supplied glands.
5 Connect the wiring to the appropriate terminals. See
"17.2.2 Wiring diagram: Gas boiler" on
6 Close the switch box cover of the gas boiler.
7 Close the gas boiler.
9.7.5
In case of third-party gas boiler
To connect the electrical wiring on the outdoor
unit
NOTICE
The distance between the high voltage and low voltage
cables should be at least 50 mm.
CAUTION
Do NOT push or place redundant cable length in the unit.
1 Open the top plate and the front plate. See
outdoor unit" on
page 30.
2 Strip insulation (20 mm) from the wires.
Description
Factory-mounted
cable gland
Knockout hole
Rubber grommet
Factory-mounted
cable gland
Knockout hole
page 99.
"9.2.2 To open the
EJHA04AAV3 + NHY2KOMB28+32AA
Daikin Altherma H Hybrid
4P556861-1A – 2019.05
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