Finishing The Job; Preparing For Test Run - SA SPW-C0705DZH8 Instrucciones De Instalación

Finishing the job

(1) With a flathead screwdriver, turn the liquid tube service
valve counterclockwise to fully open the valve.
(2) Turn the all service valve counterclockwise to fully open
the valve.
(3) Close all stop valves and loosen the "LO" knob of the
manifold valve.
(4) Loosen the charge hose connected to all service port, then
remove the hose.
(5) Replace all valve caps at all service ports and fasten them
securely.
This completes air purging with a vacuum pump. The air
conditioner is now ready for a test run.
7. TEST RUN

7-1. Preparing for Test Run

● Before attempting to start the air conditioner, check the
following.
(1) The control wiring is correctly connected and all electrical
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. 7-1)
Power mains switch
(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).
Balance tube
Liquid tube
Discharge tube
(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 connected to
the new control PCB.
37
ON
(Power must be turned ON at least
5 hours before attempting test run)
Suction tube
Fig. 7-1
Fig. 7-2