To Connect The Shut-Off Valve - Daikin Altherma 3 R W Installation Manual

Model (power Connections to backup heater power
supply)
*6V (6V3: 1N~ 230 V)
SWB
F1B
1N~, 50 Hz
230 V AC
*6V (6T1: 3~ 230 V)
K5M
SWB
F1B
Q1DI
3~, 50 Hz
230 V AC
*9W (3N~ 400 V)
SWB
F1B
Q1DI
3N~, 50 Hz
400 V AC
F1B Overcurrent fuse (field supply). Recommended fuse:
4‑pole; 20 A; curve 400 V; tripping class C.
K5M Safety contactor (in the switch box)
Q1DI Earth leakage circuit breaker (field supply)
SWB Switch box
X6M Terminal (field supply)
EHBH/X04+08EF
Daikin Altherma 3 R W
4P642727-1A – 2021.11
supply
2 4 6 14
K5M
1 3 5 13
X6M
1 3 5 7
I I I I
2 4 6 8
Q1DI
L N
2 4 6 14
1 3 5 13
X6M
1 3 5 7
I I I I
2 4 6 8
L1 L2 L3
2 4 6 14
K5M
1 3 5 13
X6M
1 3 5 7
I I I I
2 4 6 8
L1 L2 L3 N
NOTICE
Do NOT cut or remove the backup heater power supply
cable.
6.3.3

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.
Wires: 2×0.75 mm²
Maximum running current: 100 mA
230 V AC supplied by PCB
[2.D] Shut off valve
1 Open the following (see "4.2.1 To open the indoor
1 Front panel
2 Switch box cover
3 Switch box
2 Connect the valve control cable to the appropriate terminals as
shown in the illustration below.
NOTICE
Wiring is different for a NC (normally closed) valve and a
NO (normally open) valve.
A A
A A
B B
C C
B C C
X2M
C C
3 Fix the cable with cable ties to the cable tie mountings.
6 Electrical installation
unit" [ 4 9]):
3
2
1
M2S
NO
5 6 21 28
X2M X2M
NC
5 6 21 29
X2M X2M
Installation manual
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