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TEST RUNNING
Precaution in test running
- The initial power supply must provide at least
90% of the rated voltage.
Otherwise, the air conditioner should not be
operated.
CAUTION
!
① For test run, carry out the cooling
operation firstly even during heating
season. If heating operation is carried
out firstly, it leads to the trouble of
compressor. Then attention must be
paid.
② Carry out the test run more than 5
minutes without fail.
(Test run will be cancelled 18 minutes
later automatically)
- To cancel the test run, press any button.
Check the following tiems
when installation is complete
- After completing work, be sure to measure
and record trial run properties, and store
measured data, etc.
- Measuring items are room temperature, out-
side temperature, suction temperature, blow
out temperature, wind velocity, wind vol-
ume, voltage, current, presence of abnormal
vibration and noise, operating pressure, pip-
ing temperature, compressive pressure.
- As to the structure and appearance, check
following items.
*Is the circulation of air adequate?
*Is the draining smooth?
*Is the heat insulation complete
(refrigerant and drain piping)?
*Is there any leakage of refrigerant?
*Is the remote controller switch operated?
*Is there any faulty wiring?
*Are not terminal screws loosened?
M4......118N.cm{12kgf.cm}
M5......196N.cm{20kgf.cm}
M6......245N.cm{25kgf.cm}
M8......588N.cm{60kgf.cm}
Connection of power supply
1
Connect the power supply cord to the in-
dependent power supply.
- Circuit breaker is required.
2
Operate the unit for fifteen minutes or
more.
Evaluation of the performance
1
Measure the temperature of the intake and
discharge air.
2
Ensure the difference between the intake
temperature and the discharge one is
more than 8°C (Cooling) or reversely (Heat-
ing).
CAUTION
!
After the confirmation of the above
conditions, prepare the wiring as follows:
1) Never fail to have an individual power
specialized for the air conditioner. As
for the method of wiring, be guided by
the circuit diagram pasted on the inside
of control box cover.
2) Provide a circuit breaker switch
between power source and the unit.
3) The screw which fasten the wiring in
the casing of electrical fittings are liable
to come loose from vibrations to which
the unit is subjected during the course
of transportation. Check them and
make sure that they are all tightly
fastened. (If they are loose, it could
give rise to burn-out of the wires.)
4) Specification of power source
5) Confirm that electrical capacity is
sufficient.
6) Be sure that the starting voltage is
maintained at more than 90 percent of
the rated voltage marked on the name
plate.
7) Confirm that the cable thickness is as
specified in the power sources
specification.
(Particularly note the relation between
cable length and thickness.)
TEST RUNNING
25
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