Daikin Altherma 3 R F, Installer'S Reference Manual

Page: 132 / 312

9 | Electrical installation
Installer reference guide
132
ERLA11~W1 + EBVH16SU23DJ
Daikin Altherma 3 R F
4P655196-1 – 2021.09
Model (power supply) Connections to backup heater power supply
*6V (6V3: 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
BRN GRY BLU1
BLU2
*6V (6T1: 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
BRN GRY BLU1
BLU2
F1B Overcurrent fuse (field supply). Recommended fuse: 4‑pole; 20 A; curve 400 V;
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.
9.3.3 To connect the shut-off valve
INFORMATION
Shut-off valve usage example. In case of one LWT zone, and a combination of
underfloor heating and heat pump convectors, install a shut-off valve before the
underfloor heating to prevent condensation on the floor during cooling operation.
For more information, see the installer reference guide.
Wires: 2×0.75 mm²
Maximum running current: 100 mA
230 V AC supplied by PCB