Sanyo SPW-C0705DZH8 - 1. Preparing for Test Run

5-2
Test Run
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Before attempting to start the air conditioner,
check the following.
(1) The control wiring is correctly connected and all elect-
rical connections are tight.
(2) The transportation pads for the indoor fan have been
removed. If not, remove them now.
(3) The power has been supplied to the unit for at least 5
hours before starting the compressor. The bottom of
the compressor should be warm to the touch and the
crankcase heater around the feet of the compressor
should be hot to the touch. (Fig. 5-1)
ON
(Power must be turned ON at least
5 hours before attempting test run)
Power mains switch
Fig. 5-1
(4) If only 1 outdoor unit is installed, close the service valve
on the balance tubes, and open the service valve on the
other 3 tubes (suction, discharge, and liquid tubes).
If 2 or 3 outdoor units are installed, open the service
valves on all 4 tubes (suction, discharge, liquid, and
balance tubes). (Fig. 5-2)
Balance tube
Liquid tube
Discharge tube
Suction tube
Fig. 5-2
(5) Request that the customer be present for the test run.
Explain the contents of the instruction manual, and
then have the customer actually operate the system.
(6) Be sure to give the instruction manual and warranty
certificate to the customer.
(7) When replacing the control PCB, be sure to make all the
same settings on the new PCB as were in use before
replacement.
The existing EEPROM is not changed, and is connect-
ed to the new control PCB.
1. Preparing for Test Run
1. Preparing for Test Run
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