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UNIT COMPONENT IDENTIFICATION / LOCATION
Figure 36.1 - Typical Controls Cabinet - B-Cabinet Sized Units j
Left Panel
Ref: 3H039747
24
24
25
25
MAIN PANEL
1.
(S) Power distribution block
2.
(S) High voltage wiring terminal strip with ground terminals
3.
(S) Condenser fan variable frequency drive fuse holder
4.
(S) Condenser fan motor overload #1
5.
(S) Condenser fan motor overload #2
6.
(O) Condenser fan motor overload #3
7.
(S) Compressor crankcase heater fuse holder
8.
(O) Auxiliary / Supplementary electric heat fuse holder
9.
(O) Power exhaust motor fuse holder
10. (O) Gas heating circuit transformer secondary circuit breaker
11. (O) Gas heating circuit transformer primary fuse holder
12. (S) Main controls transformer primary fuse holder
13. (S) Main controls transformer secondary circuit breaker
14. (S) Solid state relay for Carel solution
15. (S) Carel pCO5+ microprocessor controller (main)
16. (S) Carel EVD electronic expansion valve controller
17. (S) Carel Ultracap for EVD controller
18. (O) Four pole relay(s) for Smoke detector
19. (O) Two pole relay(s) for remote shutdown, exhaust initiation,
and compressor
20. (S) Low voltage wiring terminal strip with ground terminals
21. (S) Condenser fan ground terminals.
22. (O) Condensing gas heat option strip heater fuses
23. (O) Phase failure relay and fuses
j Components and their location is typical and may change depending on the configuration of the unit.
36
Main Panel
Ref: 3H038664
18
19
20
13
14
15
3
4
5
6
7
8
32
1
33
MCP15-500.9
16
17
9
10
11
12
22
21
23
2
COMPRESSOR CONTROL PANEL (LEFT SIDE)
24. (S) Compressor circuit breakers
25. (S) Compressor contactors with auxiliary contact blocks
AUXILIARY CONTROL PANEL (RIGHT SIDE)
26. (S) High voltage wiring terminal strip with ground terminals
27. (O) Convenience outlet step-down transformer primary fuse holder
(if factory powered)
28. (O) Convenience outlet step-down transformer secondary circuit
breaker (if factory powered)
29. (S) Supply fan variable frequency drive fuse holder
30. (S) Supply fan variable frequency drive
31. (S) Condenser fan variable frequency drive
OTHER ITEMS NOT SHOWN
32. (O) Factory powered convenience outlet disconnect switch
33. (O) Main unit deadfront disconnect
(S) = standard (O) = optional
Right Panel
Ref: 3H038665
31
30
29
26
27 28
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