6 Electrical installation
Installation manual
21
EWAA004~008D + EWYA004~008D
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P688014-1D – 2022.10
X2M.7
A4P.Y2
180°
X2M
YC Y2
A4P
X1M
a
9
7
YC Y2
X2M.9
a
Installation of EKRP1HBAA is required.
WARNING
Stripped wire.
Make sure that stripped wire cannot make
contact with possible water on the bottom plate.
3
Fix the cable with cable ties to the cable tie mountings.
6.3.8
To connect the changeover to external
heat source
INFORMATION
Bivalent is only possible in case of 1 leaving water
temperature zone with:
▪ room thermostat control, OR
▪ external room thermostat control.
Wires: 2×0.75 mm²
Maximum load: 0.3 A, 250 V AC
Minimum load: 20 mA, 5 V DC
[9.C]
Bivalent
1
Open the service cover. See
2
Connect the changeover to external heat source cable to the
appropriate terminals as shown in the illustration below.
A4P.X2
A4P.X1
L
N
A4P
a
X1
X2
X2M
X1
X2
180°
a
Installation of EKRP1HBAA is required.
3
Fix the cable with cable ties to the cable tie mountings.
6.3.9
To connect the power consumption digital
inputs
Wires: 2 (per input signal)×0.75 mm²
Power limitation digital inputs: 12 V DC / 12 mA detection
(voltage supplied by PCB)
[9.9]
Power consumption control
.
1
Open the service cover. See
2
Connect the power consumption digital inputs cable to the
appropriate terminals as shown in the illustration below.
A8P.1
A8P.2
A8P.3
A8P.4
A8P.5
S6S (DI4)
S7S (DI3)
S8S (DI2)
S9S (DI1)
180°
A8P
A8P
A8P
A8P
5 4 3 2 1
a
X801M
A8P
a
Installation of EKRP1AHTA is required.
3
Fix the cable with cable ties to the cable tie mountings.
Summary of Contents for EWAA008D2V3P-H
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