EDMMT712101
Control System
VAM-HVE/HVLT Series
37
Connect centralized transmission line to the air conditioner.
When performing centralized management, be sure to connect centralized transmission line to the centralized terminals (F1) (F2) of the
indoor unit.
Reason
Air conditioner information cannot be transmitted to the centralized control equipment via Heat Reclaim Ventilator Unit.
Also, the information cannot be transmitted from centralized control equipment to the air conditioner via Heat Reclaim Ventilator Unit.
Example of control wiring
Heat Reclaim Ventilator Unit
P1 P2
P1 P2
P1 P2
F1 F2
F1 F2
Centralized transmission line
To centralized control equipment
Indoor unit
Remote controller
Examples of Wiring and System Design Error
A remote controller needs to be connected to remote controller transmission line.
When a remote controller transmission line is connected, be sure to connect a remote controller on the transmission line.
Reason
Signal communications on remote controller transmission line starts with remote controller.
Therefore, if no remote controller is connected, transmission is not performed and thus the unit does not operate.
Example of control wiring
P1 P2
P1 P2
F1 F2
F1 F2
Indoor unit
Heat Reclaim Ventilator Unit
(Remote controller) Absent
Summary of Contents for VAM Series
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Page 4: ...EDMMT712101 2 Table of Contents 17 6 Precautions for Design and Installation 181 ...
Page 56: ...Control System EDMMT712101 54 VAM HVE HVLT Series C 3P343420 1E ...
Page 138: ...Installation Manual EDMMT712101 136 VAM HVE HVLT Series 3P607378 3C ...
Page 139: ...EDMMT712101 Installation Manual VAM HVE HVLT Series 137 3P607378 3C ...
Page 141: ...EDMMT712101 Installation Manual VAM HVE HVLT Series 139 C EM20A032 ...
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Page 147: ...EDMMT712101 Details of Optional Accessories VAM HVE HVLT Series 145 3P607378 3C ...
Page 148: ...Details of Optional Accessories EDMMT712101 146 VAM HVE HVLT Series 3P607378 3C ...
Page 149: ...EDMMT712101 Details of Optional Accessories VAM HVE HVLT Series 147 3P607378 3C ...
Page 150: ...Details of Optional Accessories EDMMT712101 148 VAM HVE HVLT Series 3P607378 3C ...
Page 151: ...EDMMT712101 Details of Optional Accessories VAM HVE HVLT Series 149 3P607378 3C ...
Page 152: ...Details of Optional Accessories EDMMT712101 150 VAM HVE HVLT Series 3P607378 3C ...
Page 155: ...EDMMT712101 Details of Optional Accessories VAM HVE HVLT Series 153 4P457318 1D ...
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