INSTALLATION MANUAL---Installation of the outdoor unit
R efrigerant ow direction
2-way valve
(6) Open 1/4 turn
valve cap
(1) Turn
(8) Tighten
(2) Turn
3-way valve
(8) Tighten
(1) Turn
(7) Turn to fully
open the valve
(7) Turn to fully
open the valve
(8) Tighten
Service
port nut
Valve cap
(1) Unscrew and remove the caps from the 2 - way and
3-way valves.
(2) Unscrew and remove the cap from the service port.
(3) Connect the vacuum pump hose to the service port.
(4) Operate the vacuum pump for 10 - 15 minutes until
an absolute vacuum of 10 mm Hg has been reached.
Vacuum to 500 microns.
(5) With the vacuum pump still in operation , close the
low - pressure knob on the vacuum pump coupling.
Stop the vacuum pump. Check compound gauge for
indications of leaks.
(6) Open the 2 - way valve by 1/4 turn and then close it
after10 seconds. Check all the joints for leaks using
soap solution or an electronic leak detector.
(7) Turn the body of the 2-way and 3-way valves.
Disconnect the vacuum pump hose.
(8) Replace and tighten all the caps on the valves.
3-way valve diagr am
connect to indoor unit
open position
spindle
service port cap
Connect to
outdoor unit
Valve core
needle
INSTALLATION MANUAL--- nal stages
wall
(indoor) (outdoor)
piping
piping
gasket
insulating tape
insulating covering
Clamps
1. Wrap insulating covering around the joints of the ind-
oor unit and x it with insulating tape.
2. Fix the exceeding part of the signal cable to the
piping or to the outdoor unit.
3. Fix the piping to the wall ( after having wrapped it with
insulating tape) using clamps or insert them into
pipe covers.
4. Seal the hole in the wall through which the piping is
passed so that no air or water can enter.
Do the ON/OFF and FAN operate normally?
Does the MODE operate normally?
Do the set point and TIMER function properly?
Does each lamp light normally?
Do the ap for air ow direction operate normally?
Is the condensate water drained correctly?
Is there any abnormal noise or vibration during
operation?
Could the noise , the air ow or the condensed water
drainage disturb others?
Are there any leaks?
Indoor unit test
Outdoor unit test
Note: There is a 3 minute time delay for the compressor.
20
EVACUATION AND DEHYDRATION
Indoor unit
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