115
Air to Air Heat Exchanger system (Multiple Air to Air Heat Exchangers are used.)
Changing the group address (No.4 of SW703)
Settings for changing the group address are necessary. Select “Header: ON” for only one unit. Select “Follower”
for the other units.
* Settings of the header unit reflect the indications of the remote controller. (Factory default: Follower)
Changing the indoor unit address (No.1 to 4 of SW702, No.1 and 2 of SW703)
Settings for changing the indoor unit address are necessary. Do not duplicate the value. (1 to 64)
* The header unit does not need to be selected as “1”. (Factory default: 1)
Air to Air Heat Exchanger system linked with air conditioners
Changing the group address (No.4 of SW703)
The settings of the group address does not need to be adjusted. Leave the value “Follower: OFF”. (Factory default:
Follower)
* Settings of the follower unit with the smallest indoor unit address number reflect the indication of the remote
controller.
Changing the indoor unit address (No.1 to 4 of SW702, No.1 and 2 of SW703)
Settings for changing the indoor unit address are necessary. Do not duplicate the value. (1 to 64) (Factory default: 1)
B
L
N
L
N
L
N
A B
A B
A B
U1
U3
U2
U4
A B
U1
U3
U2
U4
A B
U1
U3
U2
U4
* For group control, install remote controller inter-unit wiring between the units.
* Up to 8 units can be installed for group control.
Air to Air Heat Exchanger
Power supply
Power supply
Power supply
Remote controller
inter-unit wiring
Remote controller
(header)
Remote controller
(follower)
Air to Air Heat Exchanger
Air to Air Heat Exchanger
Earth
Earth
Earth
C
L1 L2 L3 N
U1 U2 U3 U4 U5 U6
L
N
A B
L
N
L
N
L
N
A B
A B
U1
U3
U2
U4
A B
U1 U2
A B
U1 U2
A B
U1
U3
U2
U4
* For group control with air conditioners, install inter-unit wiring between the units.
* Up to 8 units can be installed for group control.
Control wiring between indoor and outdoor units
Control wiring between indoor units
Indoor unit
Outdoor unit
Power supply
Remote controller
inter-unit wiring
Remote controller
(follower)
Remote controller
(header)
Indoor unit
Air to Air Heat Exchanger
Power
supply
Power
supply
Power
supply
Power
supply
Air to Air Heat Exchanger
Summary of Contents for VN-M1000HE
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