Daikin VAM-FA8VE Technical Data Manual page 127

9 Control System
9-3 Applicable patterns
9-3-1 Additional functions
Fresh-up operation by external input [HRV unit]
Purposes and functions
When the operation is interlocked with the local ventilating
fan (such as the one for toilet or kitchen), the HRV unit
performs the over-supply operation to prevent the reverse
flow of the odor.
The flow rate of supply air becomes higher than that of
exhaust air.)
• HRV • VAM-FA8VE
• HRV • Heat Reclaim Ventilation
Example of control wiring
Connecting line can be extended up to 50 m maximum.
J1 J2 JC F1 F2
SS1 X11A
X9A
X10A
P1 P2
HRV unit
P1 P2
Remote control for HRV unit
• Local wiring
Operation of HRV Terminal for local
unit connection
Fresh-up Short-circuit
Normal Open circuit
Note:
The connecting wiring between HRV unit and the terminal
for local connection can be extended up to 50 m maximum.
Switch setting of HRV unit
• No change is required. (factory setting)
Optional accessories required
• None
(Terminal for local connection)
(HC0032)
Capacity of connecting
terminal
No-voltage normally
open contact for
micro-current 16 V,
10 mA
1
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