7 Installation
Installer reference guide
38
EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W
Daikin Altherma – Low temperature split
4P556070-1 – 2019.02
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
*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:
4‑pole; 20A; curve 400V; tripping class C.
K5M Safety contactor (in the lower 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.
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.
2 Fix the cable with cable ties to the cable tie mountings.
7.6.12 To connect the domestic hot water pump
1 Connect the domestic hot water pump cable to the appropriate
terminals as shown in the illustration below.
2 Fix the cable with cable ties to the cable tie mountings.
7.6.13 To connect the alarm output
1 Connect the alarm output cable to the appropriate terminals as
shown in the illustration below.