
1-92
Service Manual
INSTALLATION
1.2 Change-Over Box
- Table of Contents -
1. Safety Summary ............................................................................................................................................1-93
2. Structure ........................................................................................................................................................1-93
2.1 Dimensions
............................................................................................................................................1-93
2.2 Refrigeration
Cycle
................................................................................................................................1-94
2.3 Necessary Tools and Instrument List for Installation .............................................................................1-95
3. Transportation and Handling ..........................................................................................................................1-95
3.1 Transportation
.......................................................................................................................................1-95
3.2 Handling of Change-Over Box ..............................................................................................................1-95
3.3 Combination of Change-Over Box and Indoor Unit ...............................................................................1-95
4. Change-Over Box Installation ........................................................................................................................1-96
4.1 Factory-Supplied
Accessories
...............................................................................................................1-96
4.2 Initial
Check
...........................................................................................................................................1-97
4.3 Suspension
Bolts
...................................................................................................................................1-98
4.4 Installation
.............................................................................................................................................1-99
4.4.1 Changing the Location of the Electrical Box ................................................................................1-99
4.4.2 Marking of the Positions of the Suspension Bolts and Wiring Connections ................................1-100
4.4.3 Mounting and Hanging the Change-Over Box .............................................................................1-100
5. Refrigerant Piping Work .................................................................................................................................1-101
5.1 Refrigerant
Piping
..................................................................................................................................1-101
5.2 Refrigerant Piping Work ........................................................................................................................1-103
6. Electrical Wiring .............................................................................................................................................1-105
6.1 General Check ........................................................................................................................................1-106
6.2 Electrical
Wiring
.....................................................................................................................................1-106
6.3 Electrical Wiring Connection .................................................................................................................1-107
6.4 Setting of DIP Switches .........................................................................................................................1-108
7. Test Run
.........................................................................................................................................................1-109
8. Safety and Control Device Setting .................................................................................................................1-109
Summary of Contents for YVAHP072B31S
Page 2: ......
Page 10: ...viii Service Manual ...
Page 16: ......
Page 17: ...Service Manual 1 1 INSTALLATION 1 Installation ...
Page 577: ...Service Manual 1 561 INSTALLATION 9 Touch Back to return to the Service Menu screen 9 ...
Page 920: ......
Page 921: ...Service Manual 2 1 OPERATION 2 Operation ...
Page 1315: ...Service Manual 3 1 TROUBLESHOOTING 3 Troubleshooting ...
Page 1461: ...Service Manual 4 1 MAINTENANCE 4 Maintenance ...
Page 1728: ......
Page 1729: ...Service Manual 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions ...
Page 1738: ...6 10 Service Manual FIELD WORK INSTRUCTIONS 6 8 Mollier Chart for R410A ft 3 l b ...
Page 1739: ...SERVICE PARTS LIST Service Manual 7 1 7 Service Parts List ...
Page 1795: ......
Page 1796: ... 2015 Johnson Controls Inc SM 15001 ...