6 Electrical installation
Installation manual
20
EWAA004~008D + EWYA004~008D
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P688014-1D – 2022.10
6.3.5
To connect the electricity meters
Wires: 2 (per meter)×0.75 mm²
Electricity meters: 12 V DC pulse detection (voltage supplied
by PCB)
[9.A]
Energy metering
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
Open the service cover. See
11].
2
Connect the electricity meters cable to the appropriate terminals
as shown in the illustration below.
X5M.6
S2S
S3S
X5M.5
X5M.4
X5M.3
180°
X5M
3 4 5 6
3
Fix the cable with cable ties to the cable tie mountings.
6.3.6
To connect the alarm output
Wires: (2+1)×0.75 mm²
Maximum load: 0.3 A, 250 V AC
[9.D]
Alarm output
1
Open the service cover. See
11].
2
Connect the alarm output cable to the appropriate terminals as
shown in the illustration below.
7 9
YC
Y1
X2M
1
2
3
A4P
1+2
Wires connected to the alarm
output
3
Wire between X2M and A4P
A4P
Installation of EKRP1HBAA is
required.
X2M.7
A4P.Y1
180°
X2M
YC Y1
A4P
X1M
a
9
7
YC Y1
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.
6.3.7
To connect the space cooling/heating ON/
OFF output
INFORMATION
Heating is only applicable in case of reversible models.
Wires: (2+1)×0.75 mm²
Maximum load: 0.3 A, 250 V AC
—
1
Open the service cover. See
11].
2
Connect the space cooling/heating ON/OFF output cable to the
appropriate terminals as shown in the illustration below.
7 9
YC
Y2
X2M
1
2
3
A4P
1+2
Wires connected to the space
cooling/heating ON/OFF
output
3
Wire between X2M and A4P
A4P
Installation of EKRP1HBAA is
required.
Summary of Contents for EWAA008D2V3P-H
Page 43: ......
