To Connect The Shut-Off Valve - Daikin EAVH16S23DA6V Installer's Reference Manual

9 | Electrical installation

9.3.3 To connect the shut-off valve

Installer reference guide
94
Model (power supply)
*9W (3N~ 400 V)
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.
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.
1 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.
NO
M2S
X1M
2 Fix the cable with cable ties to the cable tie mountings.
Connections to backup heater power supply
K5M
SWB
X6M
F1B
Q1DI
3N~, 50 Hz
400 V AC
NC
M2S
21 28
X2M
X1M
EPGA11~16DAV3(7) + EAVH/X16S18+23DA6V(7)+9W(7)
2 4 6 14
1 3 5 13
1 3 5 7
I I I I
2 4 6 8
L1 L2 L3 N
21 29
X2M
Daikin Altherma 3 H F
4P556070-1A – 2021.09