Installation Of The Digital Controller - Daikin EWAQ005ACV3P Installation Manual

Connection of the power supply
Switch off the power supply before making any
connections.
1 Using the appropriate cable (see above), connect the power
circuit to the L and N terminals on the main isolator switch inside
the switch box.
NOTE For easy connection of the wires, the back part of
the switch must be detached by turning the lever a
quarter turn and then pulling the rear part off the
switch.
2 Connect the earth conductor (yellow/green) to the earthing
screw on the switch box mounting plate.
3 Fix the cable with cable ties to the cable tie mountings to ensure
strain relief.
Note: only relevant field wiring is shown.

Installation of the digital controller

The unit is equipped with a digital controller offering a user-friendly
way to set up, use and maintain the unit. Before operating the
controller, follow this installation procedure.
Wiring specifications
Wire specification
Type
Section
Maximum length
NOTE The wiring for connection is not included.
EWAQ+EWYQ005~007ACV3P
Packaged air-cooled water chillers and
packaged reversible air to water heat pumps
4PW33165-1D
Value
2 wire
2
0.75–1.25 mm
500 m
Mounting
The digital controller, delivered in a kit, has to be mounted
indoors.
1 Remove the front part of the digital controller.
Insert a slotted screwdriver into the slots (1)
in the rear part of the digital controller, and
remove the front part of the digital
controller.
2 Fasten the digital controller on a flat
surface.
Be careful not to distort the shape of the lower part of
NOTE
the digital controller by over tightening the mounting
screws.
3 Wire the unit.
1 1
2
P2 P1
3
4
1 Chiller unit
2 Rear part of the digital controller
3 Front part of the digital controller
4 Wired from the rear
5 Wired from the top
6 Notch the part for the wiring to pass through with nippers, etc.
Connect the terminals on top of the front part of the digital
controller and the terminals inside the unit (P1 to 6, P2 to 7).
NOTE When wiring, run the wiring away from the
power supply wiring in order to avoid
receiving electric noise (external noise).
Peel the shield for the part
that has to pass through the
inside of the digital controller
case ( l ).
4 Reattach the upper part of the digital controller.
Be careful not to pinch the wiring when attaching.
First begin fitting from the clips at the
bottom.
1
6
P2 P1
5
Installation manual
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