E(D/B)(H/L)Q011~0W1
Unit for air to water heat pump system
4PW51121-1C
Installation manual
18
type 1
The benefit kWh rate power supply is of the type that power supply is
not interrupted.
type 2 and 3
The benefit kWh rate power supply is of the type that power supply
will be interrupted after elapse of time or is interrupted immediately.
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
Mounting
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.
3
Wire the unit.
Connect the terminals on top of the front part of the digital
controller and the terminals inside the unit (P1 to 16, P2 to 16a).
4
Reattach the upper part of the digital controller.
First begin fitting from the clips at the
bottom.
■
Benefit kWh rate power supplies that completely shut
power supply like illustrated above as types 2 and 3
are not allowed for this application because of the
water freeze prevention that would not be powered.
■
When connecting the equipment to a benefit kWh rate
power supply, change field settings [D-01] and both
[D-01] and [D-00] in case the benefit kWh rate power
supply is of the type that power supply is not
interrupted (like illustrated above as type 1). Refer to
"[D] Benefit kWh rate power supply" on page 26
of
chapter
"Field settings"
.
NOTE
If the benefit kWh rate power supply is of the type that
power supply is not interrupted, the unit will be forced
to off. Controlling the solar pump is still possible.
Wire specification
Value
Type
2 wire
Section
0.75-1.25 mm
2
Maximum length
500 m
NOTE
The wiring for connection is not included.
The digital controller, delivered in a kit, has to be mounted
indoors.
NOTE
Be careful not to distort the shape of the lower part of
the digital controller by over tightening the mounting
screws.
1
1
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.
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
).
Be careful not to pinch the wiring when attaching.
P1
P2
1
1
6
2
3
4
5
P1
P2
16a
16
16a
16
1
Содержание EBHQ011AA6V3
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