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Installation
Installer reference guide
94
EPGA11~ EAV23DA6V
Daikin Altherma 3 H F
4P606487-1 – 2019.12
Model (power supply)
Connections to backup heater power supply
*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.
7.6.10 To connect the shut-off valve (Heating/Cooling)
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.
X1M
X2M
X1M
X2M
NO
NC
M2S
M2S
21 28
21 29
2
Fix the cable with cable ties to the cable tie mountings.