Test Operation; Procedure And Summary Of Test Operation - Toshiba MCY-MUG0401HSW-E Service Manual

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Test operation

8-1. Procedure and summary of test operation

A test operation is executed with the following procedure. When problems or an error occurs at any step, remove
the causes of the problem or error referring to "9 Troubleshooting."
Checks before test operation
Check that the main power
supply is turned on.
Set up the addresses.
Fan Mode
Inspection Mode
Test Operation
END
Check basic items, mainly the installation work.
Be sure to enter the check results in checklist 1 and 2.
This check is done after the power has been turned on.
Check that the refrigerant circuit system is turned on normally.
Start the address setup in the outdoor / indoor units.
Note: Operation does not start simply by powering-on.
Carry out Fan mode. Check whether there is air blowing
out of indoor unit.
If there is at least one Shut off Valve, carry out detailed
inspection mode to look for existing miswiring and
incorrect setup.
Carry out a test (cooling/heating) operation. Check air flow
from the indoor unit.
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