4 Installation
Installation manual
10
EWAQ+005BAVP
Packaged air-cooled water chillers and packaged air to water heat
pumps
4P469106-1 – 2017.01
Routing
Possible cables (depends on the installed options)
c
Main power supply
▪ Main power supply
3
Inside the unit, route the wiring as follows:
a
b
a
Low voltage wiring
b
High voltage main power supply
4
Make sure that the cable does NOT come in contact with sharp
edges.
5
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 acces to other
components during service.
CAUTION
Do NOT push or place redundant cable length in the unit.
4.4.2
To connect the main power supply
1
Connect the main power supply.
1 2 3
X4M
2
3
1
1
GND
2
L
3
N
4.4.3
To connect the user interface
INFORMATION
▪ If control box EKCB07CAV3 is NOT part of the system,
connect the user interface directly to the outdoor unit.
▪ If control box EKCB07CAV3 is part of the system, you
can also connect the user interface to the control box.
To do this, connect the user interface to control box
terminals X2M/20+21, and then connect the control box
to the outdoor unit by connecting X2M/20+21 to
outdoor unit terminals X5M/1+2.
INFORMATION
For details on how to connect the user interface to the
control box, refer to the installer reference guide or the
installation manual of the control box.
#
Action
1
Connect the user interface cable to the outdoor unit.
X5M
A5P
A5P
1 2
a
b
a
Main user interface
(a)
b
Optional user interface
2
Insert a screwdriver into the slots underneath the user
interface and carefully separate the faceplate from the
wallplate.
The PCB is mounted in the faceplate of the user interface.
Be careful NOT to damage it.
3
Fix the wallplate of the user interface to the wall.
4
Connect as shown in 4A, 4B, 4C or 4D.
5
Reinstall the faceplate onto the wallplate.
Be careful NOT to pinch the wiring when attaching the
frontplate to the unit.
(a)
The main user interface is required for operation. It is
delivered with the unit as accessory.
4A From the rear
b
a
PCB
1×
4B From the left
a
PCB
b
1×
Summary of Contents for EWAQ004BAVP
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