Test Operation Check - Toshiba MMW-AP0271LQ-E Service Manual

7-6. Test operation check

Test operation
Is hot water discharged? (Hot water module)
Note 1
Is there adequate temperature difference
Is there adequate temperature difference
Note 2
Note 3
START
Test operation for one indoor unit
Operation starts
Is cold air or hot air discharged?
YES
Is air circulation sufficient?
Is water circulation sufficient?
(Hot water module)
YES
Operate all the indoor units at once.
between suction and discharge?
between water inlet and water outlet?
(Hot water module)
YES
Is the operating voltage correct?
Indoor units : 220-240 V ±10%
outdoor units : 380-415 V ±10%
YES
Is the operating current normal?
YES
Is the operating pressure normal?
YES
Normal
Notes 1-3 are on the next page.
NO
NO
NO
NO
NO
NO
– 35 –
Refer to "Test operation procedure"
of the indoor remote controller.
The operation does not start for
approximately 3 minutes after
powering-on or stopping operation.
Note: After powering-on, it may
require up to 10 minutes to start
the operation due to the initial
communications of the system.
Check the operating status of the
compressor.
Check the direction of the louver.
Check the pump, the strainer and
the air vent valve.
(Hot water module)
Execute a test operation using
"Start/Stop Function of the Indoor
Unit from Outdoor Unit" in the
"Service Support Function" section.
Check power voltage of
•
the main power supply.
Check the cable size of
•
the power supply.
• Check the temperature load of the
indoor/outdoor units.
• Check the water flow rate and them
use isolating valve to adjust.
(Hot water module)
• Check the pipe length and refrigerant
amount.
• Check the operating Hz of the
compressor.
• Check the operation of the outdoor
fans.
• Check for abnormal sound in the
outdoor unit.
(Abnormal sound, etc. of the
compressor and other components)