7 Installation
Installer reference guide
40
EWAQ+0 EK(2)CB
EKMB9W1
Packaged air-cooled water chillers and packaged air to water heat
pumps
4P492901-1 – 2017.06
#
Onto control box
In the room
4
Fix the wall plate of the user interface
to the front panel of the control box
using the M4 bolts and nuts from the
accessory bag.
Be careful NOT to distort the shape
of the backside of the user interface
by overtightening the mounting
screws.
2×
2
4
3
1
2×
Fix the wall plate of
the user interface to
the wall.
When NOT
connecting a user
interface to the
control box, do NOT
remove the plugs
from the holes in the
front plate.
5
Connect as shown in 4A.
Connect as shown
in 4A, 4B, 4C or 4D.
6
Reconnect the faceplate to the wall plate.
Be careful NOT to pinch the wiring when connecting the
front panel to the control box.
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.
7.8.7
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
7.8.8
To connect the electrical wiring on the
control box
1
Insert the wiring from the bottom of the control 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
Содержание EWAQ006BAVP
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