4 Installation
Installation manual
11
EHBH/X04+08DA
Daikin Altherma – Low temperature split
4P495266-1 – 2017.06
Connect the backup heater power supply as follows:
a
b
X6M
F1B
Q1DI
a
Factory-mounted cable connected to the backup heater
contactor inside the switch box (K5M for *6V and *9W
models)
b
Field wiring (see table below)
Model (power
supply)
Connections to backup heater power
supply
*6V (1N~ 230 V)
1N~, 50 Hz
230 V AC
SWB
4
3
6
5
2
1
K5M
14
13
Q1DI
1
2
3
4
5
6
7
8
F1B
I
I
I
I
N
L
X6M
*6V (3~ 230 V)
SWB
3~, 50 Hz
230 V AC
4
3
6
5
2
1
K5M
14
13
1
2
3
4
5
6
7
8
F1B
I
I
I
I
Q1DI
L1 L2 L3
X6M
Model (power
supply)
Connections to backup heater power
supply
*9W (3N~ 400 V)
3N~, 50 Hz
400 V AC
SWB
Q1DI
L1 L2 L3 N
1
2
3
4
5
6
7
8
F1B
I
I
I
I
X6M
2
1
K5M
4
3
6
5
14
13
F1B
Overcurrent fuse (field supply). Recommended fuse for *6V
and *9W models: 4‑pole; 20 A; curve 400 V; tripping class
C.
K1M
Contactor (in the switch box)
K5M
Safety contactor (in the switch box)
Q1DI
Earth leakage circuit breaker (field supply)
SWB
Switch box
X6M
Terminal (field supply)
4.5.5
To connect the shut-off valve
1
Connect the valve control cable to the appropriate terminals as
shown in the illustration below.
NOTICE
Wiring is different for a NC (normal closed) valve and a NO
(normal open) valve.
X2M
X1M
X2M
X1M
NO
NC
M2S
M2S
21 29
21 28
2
Fix the cable with cable ties to the cable tie mountings.
4.5.6
To connect the electrical meters
INFORMATION
In case of an electrical meter with transistor output, check
the polarity. The positive polarity MUST be connected to
X5M/6 and X5M/4; the negative polarity to X5M/5 and
X5M/3.
1
Connect the electrical meters cable to the appropriate terminals
as shown in the illustration below.
