Installation manual
7
250FC
Total Heat Exchanger
HRV (Heat Reclaim Ventilation)
4P415946-1 – 2015.08
View seen from VRV
Wiring example
■
All transmission wiring except for the remote controller wires is
polarized and must match the terminal symbol.
■
Use shield wire in transmission wiring. Ground the shield of the
shield wire to "
", at the grounding screw, with the C-cup
washer.
■
Sheathed wire materials may be used for transmission wiring,
but they are not suitable for EMC (Electromagnetic
Compatibility) (European Directive).
When using sheathed wire, electromagnetic Compatibility must
conform to Japanese standards stipulated in the Electric
Appliance Regulatory Act.
Transmission wiring need not be grounded when using sheathed
wire.
1
2
5
3
4
6
7
8
A
B
C
1
Terminal board for transmission wiring
2
Terminal board for power supply
3
Grounding terminal
4
Power supply wiring
5
Clamp material (attached)
6
Remote controller wiring
7
Unit wiring
8
Field supply wire/Earth terminal (attached)
Ground the shield part of shielded wire.
A
Earth screw (attached)
B
C-cup washer (attached)
C
Shield part
VRV
HRV
P1
P1
P1
P2
P2
P2
L
N
1
2
Out
VRV
HRV
L
N
L N
1
1
2
2
P1 P2 F1 F1 T1 T1
P2 P1
F1 F2
J2 JC
L N
J1
1
2
5
3
4
4
6
7
6
1
Outdoor unit/BS unit
2
Switch box
3
Indoor unit
4
Power supply 220-240 V~50 Hz
5
Remote controller (VRV)
6
Transmission wiring
7
Remote controller (HRV)
Summary of Contents for VAM250FC
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