1-6
Revised 8-6-93
In range
SETPOINT/Code
DataCORDER
Cool
Heat
Defrost
Alarm
AIR TEMP/Data
1
2
3
4
5
6
7
8
9
10
18
17
16
15
13,14
12
11
20
1. Compressor Contactor (C)
2. Condenser Fan Motor Relay (CF)
3. Heat Relay (TH)
4. Evaporator Fan Motor Relay --- High Speed (EF)
5. Current Transformer (CT)
6. Terminal Block (TB)
7. Microprocessor Control Box
8. Remote Monitoring Receptacle (RM) (Optional)
9. Manual Defrost Switch (MDS)
10. Start-Stop Switch (ST)
11. Microprocessor Control Panel (Display)
12. Control Transformer (TR)
13. Control Fuse (F) (6 amp)
14. Fuse (F3A & F3B) (5 amp) Slow Blow
15. Voltage Switch (VS) (Optional)
16. Circuit Breaker (CB-1) --- 460V
17. Potential Transformer (PT)
18. Circuit Breaker (CB-2) --- 230V (Optional)
19. Evaporator Fan Motor Relay --- Low Speed (ES)
20. Battery Module Switch (BMS) --- Optional
20 Condenser Fan Switch (CFS) --- Optional
UNITS WITH TWO-SPEED EVAPORATOR MOTOR
UNITS WITH ONE-SPEED EVAPORATOR MOTOR
15
19
Figure 1-4. Control Box
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