7 Installation
Installer reference guide
38
EPGA11~16DAV3 + EABH/X16DA6V+9W
Daikin Altherma – Low temperature split
4P556069-1 – 2018.10
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 (6V: 1N~230V)
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
II I I
NL
X6M
BRN
GRY
BLU1
BLU2
*6V (6T1: 3~230V)
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
II I I
Q1DI
L1 L2 L3
X6M
BRN
GRY
BLU1
BLU2
Model (power
supply)
Connections to backup heater power
supply
*9W (3N~400V)
3N~, 50 Hz
400 V AC
SWB
Q1DI
L1 L2 L3 N
1
2
3
4
5
6
7
8
F1B
II I I
X6M
2
1
K5M
4
3
6
5
14
13
BRN
GRY
BLK
BLU
F1B Overcurrent fuse (field supply). Recommended fuse for *6V
and *9W models: 4‑pole; 20A; curve 400V; 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)
NOTICE
Do NOT cut or remove the backup heater power supply
cable.
7.6.10 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 2921 28
2 Fix the cable with cable ties to the cable tie mountings.
7.6.11 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.