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Installation
instructions/
The
air
which contains moisture remaining in the refrigeration cycle
may
cause a malfunction on the
compressor. After connecting the indoor and outdoor units, release air and moisture from the refrigerant
cycle using a vacuum pump, as shown below.
Note: To protect the environment, be aura
not
to discharge the refrigerant to the
air
directly.
=
Vacuum pump
3-way valve diagram
(7)
Tum
to fully
open
the
valve
·~
(7) Tum to
fully
open
the
(,"
valve
"©
(1)Tum
......._
valve cap
~
(1)Tum
.......
c?c'
.:·-
'-'t
~
~8)
lighten
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.
Connect
to
outdoor
unit
(4) Start vacuum pump
for
10-15 minutes until reaching a vacuum
of
10
mm Hg absolutes.
oonnect to indoor unit
open
position
spindle
needle
service port
cap
(5) With vacuum pump still running close the low pressure knob on vacuum pump manifold. Then stop
the vacuum pump.
(6) Open 2-way valve , 1/4 tum, then close it after 1 O seconds. Check tightness of all joints using liquid
soap
or
an electronic leak detector.
(7) Turn 2 and 3-way valves stem
to
fully open the valves. Disconnect the flexible vacuum pump hose.
(8) Replace and tighten all valve caps.
-32-
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