7 Installation
Installer reference guide
41
EWAQ+0 EK(2)CB
EKMB9W1
Packaged air-cooled water chillers and packaged air to water heat
pumps
4P492901-1 – 2017.06
b
High voltage wiring
c
Main power supply
NOTICE
The distance between the high voltage and low voltage
cables should be at least 25 mm.
7.8.9
To connect the control box power supply
1
Connect the power supply cable to the control box.
1 2 3
1 2 3
X8M
X1M
1
GND
2
L
3
N
2
Fix the cable with cable ties to the cable tie mountings to
ensure strain relief and to make sure that it does NOT come in
contact with sharp edges.
CAUTION
Do NOT push or place redundant cable length in the unit.
7.8.10
To connect the interconnection cable
between control box and outdoor unit
1
Connect X2M/22 (control box) to X5M/4 (outdoor unit).
2
Connect X2M/23 (control box) to X5M/3 (outdoor unit).
X5M
22
23
3 4
X2M
3
Tie the cable with cable ties to the cable tie mountings.
7.8.11
To connect the electrical wiring on the
option box
1
Insert the wiring from the bottom of the option box.
2
Make sure the low voltage wiring is located on the right. Route it
through the intake hole and fasten it with cable ties:
a
b
c
a
Low voltage wiring
b
High voltage wiring
c
Main power supply
NOTICE
The distance between the high voltage and low voltage
cables should be at least 25 mm.
7.8.12
To connect the option box power supply
1
Connect option box terminal X1M to control box terminal X1M.
X2M
X8M
A4P
X2M
X8M
X1M
A4P
3
2
1
X1M
3
2
1
1
GND
2
L
3
N
2
Fix the cable with cable ties to the cable tie mountings to
ensure strain relief and to make sure that it does NOT come in
contact with sharp edges.
CAUTION
Do NOT push or place redundant cable length in the unit.
7.8.13
To connect the interconnection cable
between option box and control box
1
Connect the connectors from the accessory bag to X5A on A1P
of both the control box and the option box PCB.
2
Connect the connectors by way of a field-supplied cable.
Содержание EWAQ006BAVP
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