HXHD125A7V1B
VRVIII system indoor unit
4PW62584-1A – 11.2010
Installation manual
23
Possible types of benefit kWh rate power supply
Possible connections and requirements to connect the equipment to
such power supply are illustrated in the figures below (also refer to
"9.8. Field setting table" on page 38
1
Benefit kWh rate power supply box
2
Receiver controlling the signal of the electricity company
3
Benefit kWh rate power supply
4
Voltage free contact to indoor unit
5
Normal kWh rate power supply
6
Fuse (field supply)
Type 1
The benefit kWh rate power supply is of the type that power supply is
not interrupted.
Type 2
The benefit kWh rate power supply is of the type that power supply
will be interrupted after elapse of time.
Type 3
The benefit kWh rate power supply is of the type that power supply is
interrupted immediately.
When parameter [6-04]=1 at the moment that the benefit kWh rate
signal is sent by the electricity company, that contact will open and
the unit will go in forced off mode
(1)
.
When parameter [6-04]=2 at the moment that the benefit kWh rate
signal is sent by the electricity company, that contact will close and
the unit will go in forced off mode
(2)
.
NOTICE
In case of benefit kWh rate power supply installation,
remove the wiring bridges on X2M before installing the
normal kWh rate power supply.
1
2
3
X3M
7
8
X2M
8
9
X1M
L N
L N
2
4
1
5
3
L N
2
1
4
3
4
3
L N
2
1
S1S
S1S
S1S
[6-04]=1
1
2
3
L N
2
1
3
L N
2
1
4
3
4
4
4
3
L N
L N
2
1
S1S
S1S
S1S
[6-04]=2
X2M
10 11
8
9
6
(1) When the signal is released again, the voltage free contact will close and
the unit will restart operation. It is therefore important to leave the auto
restart function enabled. Refer to field setting "
"9.3. Field settings" on page 24
(2) When the signal is released again, the voltage free contact will open and
the unit will restart operation. It is therefore important to leave the auto
restart function enabled. Refer to field setting "
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