Daikin VAM Series Engineering Data page 65

EDMMT712101
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
B e sure to check if the fan operation contact from other air conditioners can be extracted or not.
F an 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
Other air
conditioners
Normally open contact (for microcurrent)
Extract non-voltage
normal contact for
fan operation
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
W iring adapter for electrical appendices: KRP2A62
I nstallation box for adapter: KRP1C18A90
VAM-HVE/HVLT Series
B1 B2 BC W1 W2 W3 W4
KRP2A Series
(To be incorporated into
Heat Reclaim Ventilator Unit)
F1 F2
X11A
P1 P2
Heat Reclaim
Ventilator Unit
P1 P2
Note) 1. KRP2A is not required in case of no direct duct connection.
Remote controller
2. The maximum length of transmission wiring between KRP2A and other
Specifications for external contact
• Non-voltage normally open contact
• Microcurrent contact (Minimum applicable load: DC12V, 1mA or below)
Connect directly to (J2) (JC) terminals.
air conditioners is up to 150m.
Control System
63