Test Operation SiBE18-821_C
128 Test Operation and Field Settings
1.1.4 Confirmation on Normal Operation
•
Conduct normal unit operation after the check operation has been completed.
(When outdoor air temperature is 24°CDB or higher, the unit can not be operated with
heating mode. See the installation manual attached.)
•
Confirm that the indoor/outdoor units can be operated normally.
(When an abnormal noise due to liquid compression by the compressor can be heard, stop
the unit immediately, and turn on the crankcase heater to heat up it sufficiently, then start
operation again.)
•
Operate indoor unit one by one to check that the corresponding outdoor unit operates.
•
Confirm that the indoor unit discharges cold air (or warm air).
•
Operate the air direction control button and flow rate control button to check the function of
the devices.
1.2 Operation when Power is Turned On
1.2.1 When Turning On Power First Time
The unit cannot be run for up to 12 minutes to automatically set the master power and address
(indoor-outdoor address, etc.).
Status
1.2.2 When Turning On Power the Second Time and Subsequent
Tap the RESET (BS5) button on the outdoor unit PCB. Operation becomes possible for about 2
minutes. If you do not push the RESET button, the unit cannot be run for up to 10 minutes to
automatically set master power.
Status
1.2.3 When an Indoor Unit or Outdoor Unit has been Added, or Indoor or
Outdoor Unit PCB has been Changed
Be sure to push and hold the RESET button for 5 seconds. If not, the addition cannot be
recognized. In this case, the unit cannot be run for up to 12 minutes to automatically set the
address (indoor-outdoor address, etc.)
Status
Outdoor unit Test lamp H2P .... Blinks
Can also be set during operation described above.
Indoor unit If ON button is pushed during operation described above, the “UH” malfunction
indicator blinks.
(Returns to normal when automatic setting is complete.)
Outdoor unit Test lamp H2P .... Blinks
Can also be set during operation described above.
Indoor unit If ON button is pushed during operation described above, the operation lamp
lights but the compressor does not operate. (Returns to normal when
automatic setting is complete.)
Outdoor unit Test lamp H2P .... ON
Can also be set during operation described above.
Indoor unit If ON button is pushed during operation described above, the “UH” or “U4”
malfunction indicator blinks. (Returns to normal when automatic setting is
complete.)
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