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87
(2) Test operation
START
Test operation for one indoor unit
Operation starts
Is cold air or hot air discharged?
Is air circulation sufficient?
Operate all the indoor units at once.
Is there adequate temperature difference
between suction and discharge?
Is the operating voltage correct?
460 V ±10 %)
Is the operating current normal?
Is the operating pressure normal?
Normal
Note 1
Note 2
Note 3
Notes 1-3 are on the next page.
Refer to "Test operation procedure"
of the indoor remote control.
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.
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 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)
T
est
o
peratio
n fo
r eve
ry ind
oor uni
t in
turn
Summary of Contents for MMY-MAP0724HT6UL
Page 229: ...228 15Exploded Diagram Parts Price List SMMS i OUTDOOR UNIT MMY MAP0724HT6UL ...
Page 230: ...229 MMY MAP0724HT6UL ...
Page 232: ...231 SMMS i OUTDOOR UNIT MMY MAP0964HT6UL MMY MAP1144HT6UL ...
Page 233: ...232 MMY MAP0964HT6UL MMY MAP1144HT6UL ...
Page 237: ...236 SMMS i INV SERVICE PARTS LIST MMY MAP0724HT6UL 4 pieces PC board ...
Page 238: ...237 SMMS i INV SERVICE PARTS LIST MMY MAP0964HT6UL MMY MAP1144HT6UL 4 pieces PC board ...
Page 241: ...Copyright 2011 TOSHIBA CARRIER CORPORATION ALL Rights Reserved ...