9 | Electrical installation
Installer reference guide
131
ERLA11~16D + EBBH/X11+16D
Daikin Altherma 3 R W
4P643603-1B – 2022.05
Model (power supply) Connections to backup heater power supply
*6V (6V3: 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 switch box)
Q1DI Earth leakage circuit breaker (field supply)
SWB Switch box
X6M Terminal (field supply)