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5 Installation
(e)
Cable section 0.75 mm² till 1.25 mm²; maximum length:
200 m. These wires MUST be sheathed. Recommended
strip length: 6 mm.
NOTICE
More technical specifications of the different connections
are indicated on the inside of the outdoor unit.
Connections to *HY2KOMB28+32AA gas boiler:
Item
Description
Power supply
1
Power supply gas
boiler
Interconnection cable
2
Interconnection cable
between outdoor unit
and gas boiler
Optional equipment
3
3‑way valve
4
Domestic hot water
tank thermistor
5
Room thermostat/heat
pump convector
(a)
See the name plate on the gas boiler.
(b)
Cable section 0.75 mm² till 1.25 mm²; maximum length:
200 m. This cable is field supplied.
(c)
Cable section 0.75 mm² till 1.25 mm².
(d)
The thermistor and connection wire (11 m) are available as
option (EKTH3 or EKTH4).
NOTICE
More technical specifications of the different connections
are indicated on the inside of the gas boiler.
In case of system with third-party gas boiler
Connections to outdoor unit:
Item
Description
Power supply
1
Power supply for
outdoor unit
User interface
2
User interface
External pump + bivalent signal
3
External pump
4
Bivalent signal for third-
(g)
party gas boiler
Optional equipment
5
Bottom plate heater
6
Outdoor ambient
temperature sensor
7
LAN adapter
(a)
See the name plate on the outdoor unit.
(b)
Cable section 0.75 mm² till 1.25 mm²; maximum length:
200 m.
(c)
The external pump is part of mandatory option
EKADDONJH; the 2 external pump cables (PWM signal
and power supply) are part of mandatory option
EKADDONJH2.
(d)
Minimum cable section 0.75 mm².
(e)
Part of optional equipment
(f)
Cable section 0.75 mm² till 1.25 mm²; maximum length:
200 m. These wires MUST be sheathed. Recommended
strip length: 6 mm.
(g)
Field supplied
Installation manual
10
Wires
Maximum
running
current
(a)
2+GND
(b)
2
(c)
3
100 mA
(d)
2
(c)
2
100 mA
Wires
Maximum
running
current
(a)
2+GND
(b)
2
(c)
2 and 2+GND
(d)
2
(e)
2+GND
(d)
2
(f)
2
NOTICE
More technical specifications of the different connections
are indicated on the inside of the outdoor unit.
5
Installation
5.1
Opening the units
5.1.1
To open the outdoor unit
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING
3
4×
2×
1 Open the top plate.
2 Open the front plate.
3 If necessary, open the rear plate. This is, for example,
necessary in the following cases:
▪ When you install the freeze protection valve inside the
outdoor unit.
▪ When you install the bottom plate heater.
5.2
Mounting the outdoor unit
5.2.1
To provide the installation structure
This topic shows different installation structures. For all, use 4 sets
of M8 or M10 anchor bolts, nuts and washers. In any case, provide
at least 300 mm of free space below the unit. Additionally, make
sure the unit is positioned at least 100 mm above the maximum
expected level of snow.
INFORMATION
The maximum height of the upper protruding part of the
bolts is 15 mm.
Daikin Altherma H Hybrid – Heat pump module
2×
1
2
2×
EJHA04AAV3
4P530607-1D – 2020.02
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