Daikin EHVH08SU18DA6V7 [14/36] Installation

Daikin EHVH08SU18DA6V7 [14/36] Installation
4 Installation
Installation manual
14
EHVH04+08SU18+23DA6V7
Daikin Altherma 3 R F
4P619456-1 – 2020.03
X6M
F1B
Q1DI
a
b
a Factory-mounted cable connected to the contactor of the
backup heater, inside the switch box (K1M for *3V
models, K5M for *6V and *9W models)
b Field wiring (see table below)
Model (power
supply)
Connections to backup heater power
supply
*6V (6V: 1N~230V)
1N~, 50 Hz
230 V AC
SWB
4
3
6
5
2
1
K5M
14
13
Q1DI
1
2
3
4
5
6
7
8
F1B
II I I
NL
X6M
BRN
GRY
BLU1
BLU2
*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
II 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.
4.5.5 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. 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.
4.5.6 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
3
4
56
2 Fix the cable with cable ties to the cable tie mountings.
4.5.7 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.

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