7 Installation
Installer reference guide
40
EWAQ+005BAVP
Packaged air-cooled water chillers and packaged air to water heat
pumps
4P492900-1 – 2017.06
#
Onto control box
In the room
1
Connect the user interface cable to
control box terminals X2M/20+21.
Fix the cable with cable ties to the
cable tie mountings.
X2M
X8M
X1M
A1P
20
21
A5P
a
a
Main user interface
Connect the user
interface cable to
control box
terminals
X2M/20+21.
Route the cable
from the right-hand
side of the
terminals, fasten it
to the cable tie
mountings and route
it through the hole of
the low voltage
wiring.
2
Connect the control box to the outdoor unit.
Fix the cable with cable ties to the cable tie mountings.
X5M
20
21
1 2
X2M
3
Insert a screwdriver into the slots underneath the user
interface and carefully separate the faceplate from the wall
plate.
The PCB is mounted in the faceplate of the user interface.
Be careful NOT to damage it.
#
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.
Содержание EWAQ004BAVP
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