
Service Manual
4-7
MAINTENANCE
4.1.5 Removing Electrical Box
A. (H,Y)VAHP072B(3,4)1S, (H,Y)VAHR072B(3,4)1S
(1) Remove the front service cover according to Section 4.1.1 “Removing Front Service Cover”.
(2) Remove the electrical box 1 cover according to Section 4.1.4 “Removing Electrical Box Cover”.
(3) Remove the screws securing the power source wiring, compressor wires, operating line, and ground
wire.
(4) Disconnect the connector for the fan motor, solenoid valve, crankcase heater, and high pressure
switch.
(5) Disconnect the connector for the thermistor, electronic expansion valve and pressure sensor on PCB1.
(6) Remove three screws securing the lower side of the electrical box 1.
(7) Install the electrical box 1 cover.
(8) Remove two screws securing the upper side of the 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
.
Tool
Phillips Screwdriver
< Electrical Box Position >
TURN OFF all power source switches.
Screw for
Electrical Box 1
(Upper Side)
Screw for
Electrical Box 1
(Lower Side)
Electrical Box 1
Securing Screw
(for Fall Prevention)
(for Electrical Box 1)
Ɣ )LJXUHIRU$
(H,Y)VAHP072B(3,4)1S, (H,Y)VAHR072B(3,4)1S
NOTE:
Use safety awareness measures to prevent equipment falls leading to injuries.
Содержание YVAHP072B31S
Страница 2: ......
Страница 10: ...viii Service Manual ...
Страница 16: ......
Страница 17: ...Service Manual 1 1 INSTALLATION 1 Installation ...
Страница 559: ...Service Manual 1 543 INSTALLATION 7 7RXFK DFN WR QLVK WKLV VHWWLQJ The screen returns to the Service Menu screen 7 ...
Страница 577: ...Service Manual 1 561 INSTALLATION 9 Touch Back to return to the Service Menu screen 9 ...
Страница 920: ......
Страница 921: ...Service Manual 2 1 OPERATION 2 Operation ...
Страница 983: ...Service Manual 2 63 OPERATION Clipped Ceiling Type Grille for Front Discharge 2SWLRQDO Decorative Panel 2SWLRQDO ...
Страница 1184: ...2 264 Service Manual OPERATION 7 Touch on Return to Group sel to return to Setting Group Selection 7 ...
Страница 1315: ...Service Manual 3 1 TROUBLESHOOTING 3 Troubleshooting ...
Страница 1425: ...Service Manual 3 111 TROUBLESHOOTING Surge Absorber SA Surge Absorber SA Surge Absorber SA 3RVLWLRQ RI 6XUJH EVRUEHU 9 9 1 1 1 ...
Страница 1461: ...Service Manual 4 1 MAINTENANCE 4 Maintenance ...
Страница 1657: ...Service Manual 5 1 EXTERNAL INPUT OUTPUT AND FUNCTION SETTING 5 External Input Output and Function Setting ...
Страница 1728: ......
Страница 1729: ...Service Manual 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions ...
Страница 1738: ...6 10 Service Manual FIELD WORK INSTRUCTIONS 6 8 Mollier Chart for R410A ft 3 l b ...
Страница 1739: ...SERVICE PARTS LIST Service Manual 7 1 7 Service Parts List ...
Страница 1795: ......
Страница 1796: ... 2015 Johnson Controls Inc SM 15001 ...