Carrier 69NT40--541--200 TO 299, Операция и обслуживание

Страница: 21 / 112

2-6 T-317
2.1.7 Control Box Section
The control box (Figure 2-6) 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.
2.1.8 Communications Interface Module
The communications interface module is a slave
module which allow 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 system technical manual
for further information.
17 18 13 15 16
1 2 3 4 5 6
8
10
7
9 14 11 12
1. Compressor Phase A Contactor
2. Compressor Phase B Contactor
3. Heater Contactor
4. Display Module
5. Communications Interface Module
6. Controller/DataCORDER Module (Controller)
7. Key Pad
8. Remote Monitoring Receptacle
9. Controller Battery Pack
10. Interrogator Connector (Box Location)
11. Fan Mode Switch
12. Emergency Bypass Switch
13. Control Transformer
14. Evaporator Fan Contactor - High
15. Evaporator Fan Contactor - Low
16. Condenser Fan Contactor
17. Circuit Breaker -- 460V
18. Current Sensor Module
Figure 2-6 Control Box Section