EDMMT712101
Control System
VAM-HVE/HVLT Series
63
Interlocked operation with other air conditioners
Interlocked operation with other air conditioners
Purpose • Functions
Operates Heat Reclaim Ventilator Unit in an interlocked way using operation command of air conditioner fan.
In case of no direct duct connection, independent operation is performed individually by remote controller for Heat Reclaim Ventilator
Unit.
POINT
Be sure to check if the fan operation contact from other air conditioners can be extracted or not.
Fan operation command is necessary in case of direct duct connection. When the duct is not directly connected, an operation
command can also be used.
Example of control wiring
X11A
F1 F2
P1 P2
P1 P2
B1 B2 BC
W1 W2 W3 W4
Heat Reclaim
Ventilator Unit
Remote controller
Normally open contact (for microcurrent)
Note)
1. KRP2A is not required in case of no direct duct connection.
Connect directly to (J2) (JC) terminals.
2. The maximum length of transmission wiring between KRP2A and other
air conditioners is up to 150m.
Specifications for external contact
• Non-voltage normally open contact
• Microcurrent contact (Minimum applicable load: DC12V, 1mA or below)
KRP2A Series
(To be incorporated into
Heat Reclaim Ventilator Unit)
Other air
conditioners
Switch number that needs to be changed for the system
Field settings using remote controller
NIL. (Remans at the factory default settings
Switch setting on adapter printed circuit board
Remote controller selector switch (RS1)… “2”
Voltage/non-voltage selector switch (SS1) … Non-voltage
Essential optional accessory
Wiring adapter for electrical appendices: KRP2A62
Installation box for adapter: KRP1C18A90
Extract non-voltage
normal contact for
fan operation
Summary of Contents for VAM Series
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Page 138: ...Installation Manual EDMMT712101 136 VAM HVE HVLT Series 3P607378 3C ...
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