5 Configuration
Installation manual
11
EWAQ+008BAVP
Packaged air-cooled water chillers and packaged air to water heat
pumps
4P478610-1 – 2017.02
#
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×
4C From the top
a
b
PCB
b
1×
4D From the top centre
a
PCB
b
b
1×
a
Notch this part for the wiring to pass through with nippers
etc.
b
Secure the wiring to the front part of the casing using the
wiring retainer and clamp.
4.4.4
To connect the shut-off valve
1
Connect the valve control cable to the appropriate terminals as
shown in the illustration below.
NOTICE
Only connect NO (normal open) valves.
NO
X5M
X3M
M2S
2
1
INFORMATION
By default, the shut‑off valve is to be connected to the
outdoor unit. However, if control box EKCB07CAV3 is
present in the system, you can also connect it to the
control box. To do this, connect outdoor unit terminals
X3M/1+2 to control box terminals X8M/6+7, and then
connect the shut‑off valve to control box terminals
X8M/6+7.
X2M
X8M
6 7
X5M
X3M
M2S
1
2
5
Configuration
5.1
Overview: Configuration
This chapter describes what you have to do and know to configure
the system after it is installed.
NOTICE
The explanation about the configuration in this chapter
gives you ONLY basic explanations. For more detailed
explanation and background information, see the installer
reference guide.