TM9-4120-370-14
TO35E9-229-1
4-44. JUNCTION BOX
This junction box is the protective enclosure that contains the compressor circuit breaker (CB1), relays (K1, K7, K8, K9,
-
and K1O), time delay relay (K6), and terminal blocks (TB1 and TB2). The filter assembly (A1) and the transformer (T) are
mounted on the outside rear of the junction box.
See the following paragraphs for maintenance of junction box and internal items:
Junction box removal/installation (See 4-45.)
Junction box access to internal components (See para 4-46.)
Z
RFI (Radio Frequency Interference) filter (A1) (See para 4-48.)
Z
4-45. JUNCTION BOX REMOVAL/INSTALLATION
Disconnect input power to the air conditioner before performing any internal
maintenance. Voltages used can KILL. Shutting the unit off at the control panel
does not disconnect unit power.
Removal
a.
(1) Turn power off at power source.
(2) Disconnect power cable at air conditioner.
(3) Using screwdriver, loosen five captive panel fasteners in lower front panel.