Service Manual
1-139
INSTALLATION
7HVW5XQ
Test Run Screen
9.1 Before
Test
Run
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conditions have been resolved.
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from the outdoor unit.
Verify that refrigerant piping and the communication cable are connected to the same refrigerant cycle
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ground and the terminal the terminus for electrical components. If the electrical resistance is less than
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repaired. Do not introduce any high voltage to the terminals of the communication cables
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(2) Verify that each wire is connected correctly at the correct phase for the power supply. If it is incorrectly
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necessary connections.
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the compressor oil by the crankcase heater.
(4) Verify that all DIP Switch settings are correct. Refer to Section 8.5 “DIP Switches Setting”.
9.2 Test
Run
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(1) Check to ensure that stop valves (gas and liquid) for the outdoor unit are fully opened.
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by one sequentially and then check the refrigerant piping system and the electrical wiring system for
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(3) Perform the Test Run in accordance with the following procedure. Ensure that the Test Run is carried
out without any problem. The following procedure shows a case where a wired controller is utilized.
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other controllers.
NOTE:
The outdoor unit may not be operated depending on the indoor and outdoor temperature conditions.
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(a) Press and hold “Menu” and “Back/Help” simultaneously for at least 3 seconds.
The Test Run menu will be displayed.
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The Test Run menu will be displayed.
Back
Adj.
Sel.
ON
Rtrn
Test Run Setting: 2 units
MODE
SPEED
AUTO
COOL
NOTE
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function may be working.
Cancel
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mode and reset.
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 ...