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How to Purge Air Tubes:
(1). Unscrew and remove caps from 2 and 3-way valves.
(2). Unscrew and remove cap from service valve.
(3). Connect vacuum pump flexible hose to the service valve.
(4). Start vacuum pump for 10-15 minutes until it reaches an absolute vacuum of 10 mm Hg.
(5). With vacuum pump still running close the low pressure knob on vacuum pump manifold. Then stop
vacuum pump.
(6). Open 2-way valve 1/4 turn, then close it after 10 seconds. Check tightness of all joints using liquid
soap or an electronic leak detector.
(7). Turn 2 and 3-way valves stem. Disconnect vacuum pump flexible hose.
(8). Replace and tighten all valve caps.
NOTES:
• Please read this manual carefully before installing and using the appliance.
• Do not let air enter the refrigeration system or discharge refrigerant when moving the air conditioner.
• Earth the air conditioner properly.
• Check the connecting cables and pipes carefully, make sure they are correct and firm before connecting
the power of the air conditioner.
• There must be an air-break switch.
• After installing, the consumer must operate the air conditioner correctly according to this manual, keep
a suitable storage for maintenance and move of the air conditioner in the future.
• Type of fuse used on indoor unit controller is Φ 5x20, with rating 2.5A/250V or 3.15A/250V.
• Caution: Mount with the lowest moving parts of indoor unit at Least 2.4m above floor or grade Level.
• Risk of electric shock can cause injury or death: Disconnect all Remote electric power supplies before
servicing.
• When charging refrigerant into the system, make sure to change in liquid state, if refrigerant of the
appliance is R410a. Otherwise, chemical composition of refrigerant (R410a) inside the system may
change and thus affect performance of the air conditioner.
• According to the character of refrigerant (R410a), the pressure of the tube is very high, so be sure to
careful when you install and repair the appliance.
• If the supply cord is damaged, it must be replaced by the manufacturers After-Sales Service
or a qualified technician in order to avoid a hazard.
• The air conditioner must be installed by professional engineer.
