![background image](http://html1.mh-extra.com/html/carrier/69nt40-561-019/69nt40-561-019_operation-and-service-manual_2563845021.webp)
3–5
T-359
3.1.6
Control Box Section
The control box (
) includes: the manual operation switches, circuit breaker (CB-1), compressor, fan and
heater contactors, control power transformer, fuses, key pad, display module, current sensor module, controller
module and the communications interface module.
3.1.7
Communications Interface Module
The optional communications interface module is a slave module that allows communication with a master central
monitoring station. The module will respond to communication and return information over the main power line.
Refer to the master central monitoring station technical manual for additional information.
Figure 3.5 Control Box Section
1. Compressor Contactor - CH
2. Compressor Phase A Contactor - PA
3. Compressor Phase B Contactor - PB
4. Heater Contactor - HR
5. Display Module
6. Communications Interface Module
7. Controller/DataCORDER Module (Controller)
8. Key Pad
9. Remote Monitoring Receptacle
10. Controller Battery Pack (Standard Location)
11. Interrogator Connector (Box Location)
12. Control Transformer
13. Terminal Block - HW
14. High Speed Evaporator Fan Contactor - EF
15. Low Speed Evaporator Fan Contactor - ES
16. Condenser Fan Contactor - CF
17. Circuit Breaker - 460V
18. Current Sensor Module
- - - - -
Summary of Contents for 69NT40-561-019
Page 2: ......
Page 4: ......
Page 74: ......
Page 127: ...8 3 T 359 Figure 8 2 SCHEMATIC DIAGRAM Evergreen Unit Configuration ...
Page 128: ...T 359 8 4 Figure 8 3 UNIT WIRING DIAGRAM Evergreen Unit Configuration Sheet 1 of 2 ...
Page 129: ...8 5 T 359 Figure 8 4 UNIT WIRING DIAGRAM Evergreen Unit Configuration Sheet 2 of 2 ...
Page 130: ......
Page 134: ......
Page 135: ......