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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REFRIGERANT PROPERTIES CHART (R 134A)
°F °C Pressure °F °C Pressure
-40 -40 -14.7 60 15.6 58
-35 -37.2 -12.3 65 18.3 64
-30 -34.4 -9.7 70 21.1 71.5
-25 -31.7 -6.8 75 23.9 78
-20 -28.9 -4 80 26.7 86.7
-15 -26.1 0 85 29.4 95
-10 -23.3 2 90 32.2 105
-5 -20.6 4 95 35 113.3
0 -17.8 7.5 100 37.8 125
5 -15 9 105 40.6 135
10 -12.2 12 110 43.3 146.7
15 -9.4 15 115 46.1 157.5
20 -6.7 18.5 120 48.9 170
25 -3.9 22 125 51.7 185
30 -1.1 26 130 54.4 197.5
35 1.7 30 135 57.2 213.3
40 4.4 35 140 60 230
45 7.2 40 145 62.8 246.7
50 10 45.5 150 65.6 263.8
55 12.8 51.5
FUNCTIONAL DATA
Unit
Evaporator. Air
In(°F)
Amps(A)
Condenser
Delta(°F)
Evaporator
Delta(°F)
G520816GXXX
65-70 6.7-7.6 9-22 12-24
70-75 6.9-7.8 9-23 12-24
75-80 7.0-8.0 9-24 13-26
80-85 7.1-8.4 10-24 13-28
G520826GXXX
65-70 3.0-3.8 9-22 12-24
70-75 3.0-3.8 9-23 12-24
75-80 3.1-3.9 9-24 13-26
80-85 3.1-4.0 10-24 13-28
G521216GXXX
65-70 8.5-10.0 18-32 20-33
70-75 9.0-10.5 18-32 22-35
75-80 9.3-11.0 18-32 23-36
80-85 9.5-11.5 18-32 25-38
G521226GXXX
65-70 4.5-6.3 9-22 22-36
70-75 4.5-6.5 9-23 23-37
75-80 4.6-6.5 9-25 24-38
80-85 4.7-6.5 10-25 24-38
G520846GXXX
65-70 2.0-2.8 8-22 15-26
70-75 2.0-2.8 8-22 17-30
75-80 2.1-2.9 8-22 18-31
80-85 2.1-2.9 8-22 19-32
G521246GXXX
65-70 2.3-3.0 9-22 22-36
70-75 2.3-3.0 9-23 23-37
75-80 2.4-3.1 9-24 24-38
80-85 2.4-3.1 10-25 24-38