User Manual
Table Of Contents
- Warranty and Return Policy
- RECEIVING THE AIR CONDITIONER
- HANDLING AND TESTING THE AIR CONDITIONER
- HOW TO READ MODEL NUMBERS
- TECHNICAL INFORMATION
- Sequence of Operation
- Heating
- Cooling
- Thermostat
- Remote Access Control (optional)
- Head Pressure Control
- Contactor (115V 12000 BTU/Hr. Units only)
- Contactor (460V Units only)
- Overload (460V Units only)
- Phase Monitor
- 460V to 230V Transformer
- 115V to 10V or 230V to 10V Transformer (optional)
- 115V to 24V or 230V to 24V Transformer and Relay (optional)
- G521216GXXX Generic Schematic (actual unit options may vary)
- G52 All Other Generic 1-Phase Schematic (actual unit options may vary)
- G52 Generic 3-Phase Schematic (actual unit options may vary)
- G521216GXXX Generic Wire Diagram (actual unit options may vary)
- G52 All Other Generic 1-Phase Wire Diagram (actual unit options may vary)
- G52 Generic 3-Phase Wire Diagram (actual unit options may vary)
- INSTALLATION INSTRUCTIONS
- DIMENSIONAL DRAWINGS
- REMOTE ACCESS CONTROL (optional)
- OPERATING PARAMETERS
- ALARM PARAMETERS
- Remote Access Control Pin-out
- Schematic and Wiring Diagram for Remote Access Control
- G52 1-Phase Generic Schematic (actual unit options may vary)
- G52 Generic 3-Phase Schematic (actual unit options may vary)
- G52 Generic Wire Diagram for Remote Access Control (actual unit options may vary)
- G52 Generic 3-Phase Wire Diagram for Remote Access Control (actual unit options may vary)
- DIMENSIONAL DRAWINGS
- INSTALLATION INSTRUCTIONS WITH REMOTE ACCESS CONTROL
- MAINTENANCE
- Refrigerant Properties Chart (R 134a)
- Functional Data
- 8000 BTU/Hr. Unit Characteristics
- 12000 BTU/Hr. Unit Characteristics
- SERVICE DATA
- Components List
- TROUBLE SHOOTING
© 2018 nVent
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REMOTE ACCESS CONTROL PIN-OUT
FUNCTION NAME PIN # WIRE #
U1 OUTPUTS
COOL No1 1 ORG78
C1/2 2 BLK
HEAT No2 7 BRN76
C1/2 3 BLK
ENCL MI No3 8 BLK77
C3/4 4 BLK
NA No4 (na) 9 BLK
C3/4 10 BLK
ALARM RELAY OUTPUT No5 12 YEL39
C5 6 YEL38
NA x 5 NA
NA x 11 NA
U2 INPUTS
ALARM INPUT
CONNECTION
ID1 8 WHT63
MALFUNCTION NC SWITCH ID2 1 BLU88
NA ID3 (na) 9 BLU
NA ID4 (na) 2 BLU
NA ID5 (na) 10 BLU
DIGITAL INPUT GROUND ID GND 3 BLU
NA Y (na) 4 NA
NA GND (na) 5 NA
T1, EVAP IN THERMISTOR B1 13 RED
T2, EVAP OUT THERMISTOR B2 12 RED
T1, T2 GND GND 6 WHT
NA B3 11 NA
CONTROLLER POWER G 7 BLK40
CONTROLLER POWER G0 14 WHT41
U3 DATA
POWER 1 RED
GROUND 2 BLACK
DIRECTION 3 GREEN
DATA 4 WHITE