7 Installation
Installer reference guide
38
EWAQ+005BAVP
Packaged air-cooled water chillers and packaged air to water heat
pumps
4P492900-1 – 2017.06
a
b
a
Strip wire end to this point
b
Excessive strip length may cause electrical shock or
leakage.
3
Insert the wiring from the back of the unit:
a
b
c
≥25 mm
a
Low voltage cable
b
High voltage cable
c
Power supply cable
NOTICE
The distance between the high voltage and low voltage
cables should be at least 25 mm.
Routing
Possible cables (depends on the installed options)
a
Low voltage
▪ User interface
▪ Interconnection cable to control box EKCB07CAV3
▪ Remote outdoor sensor (option)
b
High voltage
▪ Normal kWh rate power supply
▪ Preferential kWh rate power supply
▪ Shut-off valve (field supply)
▪ Space heat/cool operation control
c
Main power supply
▪ Main power supply
4
Inside the unit, route the wiring as follows:
a
b
a
Low voltage wiring
b
High voltage main power supply
5
Make sure that the cable does NOT come in contact with sharp
edges.
6
Install the switch box cover.
INFORMATION
When installing field supply or option cables, foresee
sufficient cable length. This will make it possible to remove/
reposition the switch box and gain access to other
components during service.
CAUTION
Do NOT push or place redundant cable length in the unit.
7.8.5
To connect the main power supply
1
Connect the main power supply.
In case of normal kWh rate power supply
1 2 3
X5M
A2P
X6Y
X1A
X4M
X3M
1
2
3
X6YA
X19A
a
1
GND
2
L
3
N
a
Interconnection cable (=main power supply)
Содержание EWAQ004BAVP
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