4 Installation
Installation manual
13
EAV23DA6V
Daikin Altherma 3 H F
4P606486-1 – 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.
4.4.5
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.
4.4.6
To connect the electricity meters
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
X2M
X5M
S3S S2S
3456
2
Fix the cable with cable ties to the cable tie mountings.
4.4.7
To connect the domestic hot water pump
1
Connect the domestic hot water pump cable to the appropriate
terminals as shown in the illustration below.
X1M
X2M
X5M
1~
M
M2P
1 2
2
Fix the cable with cable ties to the cable tie mountings.
4.4.8
To connect the alarm output
1
Connect the alarm output cable to the appropriate terminals as
shown in the illustration below.
X1M
X2M
A4P
X5M
X1M
YC
Y1
Y2
Y3
Y4
Y1
YC
a
7 9
b
a
Installation of EKRP1HBAA is required.
b
Prewiring between X2M/7+9 and Q1L (= thermal
protector backup heater). Do NOT change.
2
Fix the cable with cable ties to the cable tie mountings.