113
18
Trial Operation
Procedure and Summary of Trial Operation
Start
Set the operation mode to
COOL by pushing the operation
switch for 5 seconds or more,
and then check “L” is displayed.
Is the operation current
within ±15% of the catalogue
current value
?
(Max. Hz operation)
Normal
Check operation status of the compressor.
Check louver direction.
Check the supply power voltage.
Check power cable dia.
Check overload of indoor /outdoor
temperature.
Check pipe length and refrigerant amount.
Check the compressor operation Hz, and
outdoor fan operation status.
Is there an abnormal sound of the
compressor
?
No
Yes
Is temp. difference of
suction/discharge air good
?
No
Yes
Is the supply voltage
good (220V 240V)
?
No
Yes
Is the operation pressure
normal
?
No
Yes
(NOTE 1)
(NOTE 2)
(NOTE 3)
This air conditioner is attached
with reactivation delay timer, so
the operation restarts
2 minutes 30 seconds after it
stopped.
]
[
(3) Cooling operation check
Is there cool air discharge
?
No
Yes
Is air circulation good
?
Operate all the units
concurrently.
No
Yes
Check each
indoor unit
consecutively.
Trial operation from
outdoor unit is
also available.
Summary of Contents for MM-A0160HX
Page 1: ...Service Manual Air Conditioner Multi Split Type System Modular Multi System HFCR407C A90 0130 ...
Page 2: ......
Page 133: ...134 20 Additional Literature and Contacts ...
Page 134: ...135 20 Additional Literature and Contacts ...
Page 135: ...TOSHIBA AIR CONDITIONING www toshiba aircon co uk MADE IN UK A90 0130 Revised April 2001 ...
