Toshiba VN-M1500HE Installation Manual page 15

Air to Air Heat Exchanger
Installing two remote controllers for the Air to Air Heat
Exchanger
For details on how to install the remote controller for the Air to Air Heat Exchanger, refer to the Installation Manual
accessory with the remote controller.
One or multiple Air to Air Heat Exchanger(s) can be controlled by using two remote controllers. (Up to two remote
controllers can be installed.)
Remote controller (inside of the
back)
Follower remote
controller
Header remote
controller
2 1
* Set switch 2 to low.
How to install
To use two remote controllers, follow the procedure below.
1. Set one remote controller as the header (factory default).
2. Set the other remote controller as the follower using the DIP switch. After that, the remote controller works as
the follower.
Settings for each system configuration
NOTE
The line (system) address is fixed as 31 for the Air to Air Heat Exchanger.
Air to Air Heat Exchanger system (One Air to Air Heat Exchanger is used.)
A
Air to Air Heat Exchanger
Earth
U1 U2
A B
L N U3 U4
Power supply
A B
Remote controller Remote controller
(header) (follower)
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Installation Manual
Header remote Follower remote
controller controller
1 2 1 2
Follower remote
controller
Header remote
controller
1 2 1 2
DIP switch DIP switch
Changing the group address (No.4 of SW703)
Settings for changing the group address are
necessary. Select "Header: ON". (Factory default:
Follower)
* When "Header: ON" is selected, "Individual: ON"
will be selected in this system.
Changing the indoor unit address (No.1 to 4 of
SW702, No.1 and 2 of SW703)
The setting does not need to be adjusted. (Factory
default: 1)
A B
Air to Air Heat Exchanger
Air to Air Heat Exchanger system (Multiple Air to Air Heat Exchangers are used.)
B
Air to Air Heat Exchanger Air to Air Heat Exchanger
Earth Earth
U1 U2
A B
L N U3 U4
Power supply Power supply
Remote controller
(header) A B
* For group control, install remote controller 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" 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
C
Power supply
Outdoor unit
L1 L2 L3 N
U1 U2 U3 U4 U5 U6
Control wiring between indoor and outdoor units
Control wiring between indoor units
Indoor unit Indoor unit
U1 U2 A B
L N L N
Power Power
supply supply
Remote controller
(header)
A B
* For group control with air conditioners, 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)
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)
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Installation Manual
Air to Air Heat Exchanger
Earth
U1 U2
A B
L N U3 U4 L N
Power supply
Remote controller
Remote controller
inter-unit wiring
(follower)
Air to Air Heat Exchanger Air to Air Heat Exchanger
U1 U2
U1 U2 A B A B
L N U3 U4 L N
Power Power
supply supply
Remote controller
Remote controller
(follower)
inter-unit wiring
U1 U2
A B
U3 U4
A B
U1 U2
A B
U3 U4
A B
EN
28-EN