Toshiba VN-M150HE Installation Manual page 15

Air to Air Heat Exchanger
Central control system (When controlling the air conditioner and the Air to Air Heat Exchanger
E
separately)
For the settings of the central control address, refer to the Installation Manual of the central control device.
Power supply Power supply
Outdoor unit
L1 L2 L3 N L N
U1 U2
Central
U1 U2 U3 U4 U5 U6 U3 U4
control
wiring
Control wiring
between indoor and
Control wiring between
outdoor units
indoor units
Indoor unit Indoor unit
U1 U2 A B U1 U2
L N L N
Power Power
supply supply
Remote controller Remote controller
A B
(header) (follower)
Remote controller
inter-unit wiring
* Central control wiring of the Air to Air Heat Exchanger is necessary only for the header unit.
* For group control, install inter-unit wiring between the units.
* Up to 8 units can be installed for group control.
Changing the group address (No.4 of SW703)
Settings for changing the group address are necessary. Select "Header: ON" on the header unit of each group
which central control wiring is connected to. Select "Follower" for the other units.
* When "Header: ON" is selected, "Individual: ON" will be selected if only one Air to Air Heat Exchanger is
connected to this system.
* 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)
Changing the terminator (No.1 of SW301)
* The settings do not need to be adjusted.
27-EN
AMP Air Conditioning
Installation Manual
Central controller
Central control wiring
Air to Air Heat Air to Air Heat
Exchanger Exchanger
U1 U2
A B A B
L N U3 U4 L N
Power Power
supply supply
Remote controller Remote controller
A B A B
(header) (follower)
Remote controller
inter-unit wiring
Air to Air Heat Exchanger
Central control system (When controlling the air conditioner and Air to Air Heat Exchanger
F
together)
• For the settings of the central control address, refer to the Installation Manual of the central control device.
• Do not perform the central control wiring with the Air to Air Heat Exchanger.
Power supply
Outdoor unit
L1 L2 L3 N
U1 U2 U3 U4 U5 U6
Control wiring between indoor and outdoor units
Indoor unit
U1 U2
A B
U3 U4
U1 U2 A B
L N
Power
supply
A B
Remote controller
(header) A B
* For group control with air conditioners, perform inter-unit wiring between the units.
* Up to 8 units can be installed for group control.
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)
* The 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)
Changing the terminator (No.1 of SW301)
* The settings do not need to be adjusted.
– 14 –
Power supply
Central controller
L N
U1 U2
Central U3 U4
control
wiring
Control wiring between indoor units
Air to Air Heat
Indoor unit
Exchanger
U1 U2
U1 U2 A B A B
L N L N U3 U4
Power Power
supply supply
Remote controller
inter-unit wiring
www.ampair.co.uk | sales@ampair.co.uk
Installation Manual
Air to Air Heat
Exchanger
U1 U2
A B
L N U3 U4
Power
supply
Remote controller
(follower) A B
EN
28-EN