Mitsubishi Electric TRANE NTXAMT12A112AA Manuel D'installation page 44

13.5. ERV (energy recovery ventilation)
13.5. ERV (Energy Recovery Ventilation)
ERV Control
ERV Control
Sequence of operation:
Sequence of operation:
1. The ERV demand switch closes CNER
1. The ERV demand switch closes CNER
2. 12VDC is provided to CN2C to turn on ERV
2. 12VDC is provided to CN2C to turn on ERV
3. If the unit goes into defrost, CN2C stops 12VDC output
3. If the unit goes into defrost, CN2C stops 12VDC output
ERV Switch:
ERV Switch:
Non-Voltage a-contact input
Contact rating voltage >= 15VDC
• Non-Voltage a-contact input
Contact rating current >= 0.1 A
• Contact rating voltage >= 15VDC
Minimum applicable load <= 1mA at DC
• Contact rating current >= 0.1 A
ERV output
• Minimum applicable load <= 1mA at DC
Condition
CNER input
Cool/Heat/Fan operation
OFF Defrost
STOP
Cool/Heat/Fan operation
ON Defrost
STOP
RC: Remote controller
Specifications are subject to change without notice.
NTXAMT12, 18, 24, 30, 36A112AA
Part Number: PAC-740
max 30 ft.
CN2C output
Fan speed
(=Fan output)
RC setting
STOP
STOP
RC setting
STOP
STOP
44
ON
OFF
OFF
ON
OFF
ON
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