Leak Test; Tidy Up The Tubing; Test Run - Hisense AUV-18HR4SUA User Manual

10.2 Leak test

Leak test all joints and valves of the indoor unit and
outdoor unit with liquid soap. Checking of the orifice
cap shouldn't be less than 30 seconds. Clean the
liquid soap after the test in case that the color of
the copper tube may change for erode.

10.3 Tidy up the tubing

10.4 Test Run

WARNING
·
Only after all the checking points have been checked
the unit can be operated.
(A) Check and make sure that the resistance of the
terminal to ground is more than 1M , otherwise, you
cannot operate the unit before the electricity leakage
point is found and repaired.
(B) Check and make sure that the stop valve has been
opened before operating the unit.
(C)Make sure that turn on electric power 6 hours before
operating the unit.
Make sure the power and unit run well then plug in.
Turn on the appliance and adjust it to Cooling or
Heating mode according to the room temperature.
Set tem. at 18℃when coolling mode and 32℃
when heating mode.Check if the appliance can run
well.
Installation of the appliance is generally finished after
the above operations are done. If you still have any
trouble, please contact local technical service center
of our company for further information.
● Pay attention to the following items while the
system is running.
(A) Do not touch any of the parts by hand at the
discharge gas side, since the compressor
chamber and the pipes at the discharge side are
heated higher than 90℃.
(B) DO NOT PUSH THE BUTTON OF THE
MAGNETIC SWITCH(ES). It will cause a serious
accident.
( C) Use remote controller to operate ,and check
whether room temperature and function well.
After test，turn off the electric power.
Fig.9.1
Tube
Reamer
Ω
Fig.9.2
Before After
Installation and Maintenance
Fig.9.3
Flarer
Fig.9.4
Apply refrigerant lubricant here and there
Fig.9.7
Fig.10.1
Bonnet of service valve
Fig.10.2
Indoor unit
Outdoor unit
Pressure
gauge
Manifold
valve
Vacuum pump
19
Fig.9.5
Tapered nuts
Tube
Fig.9.6
Clamp
Insulated tubes
Narrow tube
Hex wrench
Wide tube
Bonnet of wide valve
Bonnet of narrow valve
Service valve
Union Flare nut
Insulation