HTW EON -S026EON-R32 Manual De Usuario E Instalacion página 68

USER AND INSTALLATION MANUAL
7. INSTALLATION
7.12 EXHAUST
• Make sure that all the tubes of indoor and outdoor unit are connecting well.
• Take off valve bonnet from two-way and three-way valves by spanner; connect vacuum pump and com-
pound valve to the service valve bonnet.
• Open the low-pressure switch of compound valve, and run vacuum pump until units' internal pressure at
10 mmHg.
• After pump vacuum, close the low-pressure switch of compound valve, and then close vacuum pump.
Turn anti-clockwise 90 Spool of narrow pipe service valve by hexagon spanner, tightly with clockwise
turning after stopping for 10 seconds.
• Check with soap water or leak detector whether there is leakage at all connections of indoor and outdoor
unit. Open wide and narrow pipe service valves by hexagon spanner for running.
• Take off the connection pipeline of wide pipe service valve.
• Screw tightly the entire valve bonnet by torque spanner.
• Check with soap water or leak detector whether there are leakage at all indoor and outdoors' connections.
• Put the valve bonnet and lid back to position.
7.13 GAS LEAKAGE INSPECTION
After the pipeline connection is done,use a leakage inspection device or soap to carefully check if there
is any leakage at the joints. This is an important step to ensure the quality of installation.If refrigerant
leaks,ventilate the area immediately.Toxic gas may be produced if refrigerant gas comes into contact with
fire.Never directly touch any accidentally leaking refrigerant.This could result in severe wounds caused by
frostbite.
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Indoor Unit
Outdoor
Unit
Manometer
Compound Valve
Vacuum Pump
Fig.15
SPLIT 1X1 EON