Johnson Controls YVAHP0721CW Series, Service Manual

Page: 292 / 416

4-8
SM-16007
MAINTENANCE
4.1.6 Removing Electrical Box
(1) Remove the front service cover according to Section 4.1.1 “Removing Front Service Cover”.
(2) Remove the electrical box 1 cover and electrical box 2 cover according to Section 4.1.5 “Removing
Electrical Box Cover”.
(3) Remove the screws securing the power source wiring, compressor wires, operating line, and ground
wire.
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switch.
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PCB1.
(6) Remove three screws securing the lower side of electrical box 1.
(7) Install the electrical box 1 cover.
(8) Remove two screws securing the upper side of electrical box 1 and loosen the securing screw
7 .
(9) Push the electrical box 1 up and draw it forward from the securing screw 7 .
(10) Remove two screws securing the lower side of electrical box 2.
(11) Install the electrical box 2 cover.
(12) Remove two screws securing the upper side of electrical box 2. Then, remove electrical box 2.
TURN OFF all power source switches.
< Electrical Box Position >
Tool Phillips Screwdriver
Securing Screw*
for Electrical Box 1
(for Falling Prevention)
Screw for
Electrical Box 1
(Upper Side)
Screw for
Electrical Box 1
(Upper Side)
Screws for
Electrical Box 2
(Upper Side)
Screws for
Electrical Box 2
(Lower Side)
Screws for
Electrical Box 1
(Lower Side)
Electrical Box 1
Electrical Box 2