To Connect The Shut-Off Valve; To Connect The Electricity Meters - Daikin Altherma 3 R F Installer's Reference Manual

7 | Installation

7.9.10 To connect the shut-off valve

7.9.11 To connect the electricity meters

Installer reference guide
90
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
21 28
X1M
2 Fix the cable with cable ties to the cable tie mountings.
INFORMATION
In case of an electricity 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 electricity meters cable to the appropriate terminals as shown in
the illustration below.
X1M
NC
M2S
X2M
X1M
S3S S2S
X2M
3 4 56
X5M
21 29
X2M
ERGA04~08DAV3(A) + EHVZ04+08S18+23DA6V+9W7
Daikin Altherma 3 R F
4P618957-1 – 2020.03