Service Manual
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OPERATION
6. Initial Power Activation Setting
NOTE:
Setting the date and time may be required after a long-term power outage.
In that instance, “Set Date/Time” will be displayed on the screen. If “Set” is touched, “Adjusting Date/
Time” will be displayed.
Refer to Section 8.5 for setting the date and time.
Turn on the power supply to the air conditioners.
Apply power to the outdoor unit(s) at least 12 hours prior to operation of the system for pre-heating of the
compressor oil. Do not turn off the power supply during the air conditioning season.
Turn ON the power supply to the large central controller.
“Start-up” will be displayed and the screen will change to “Monitor 1 (All Groups)”.
Summary of Contents for YVAHP072B31S
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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 ...
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Page 1315: ...Service Manual 3 1 TROUBLESHOOTING 3 Troubleshooting ...
Page 1461: ...Service Manual 4 1 MAINTENANCE 4 Maintenance ...
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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 ...
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