P.26
3-Way valve diagram
3-Way valve
2-Way valve
Connect to indoor unit
Connect to
outdoor unit
Open position
Spindle
Needle
Service port cap
Service
port nut
Valve
cap
Valve cap
Tighten
Tighten
Turn
Indoor unit
Valve core
Clamps
Insulating covering
Piping
Piping
Gasket
(Outdoor)
(Indoor)
Insulating tape
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.
5. With the vacuum pump still in operation, turn off
the low - pressure knob on the vacuum pump
coupling. Stop the vacuum pump.
6. Open the 2-way valve by 1/4 turn and then close
it after 10 seconds. Check all the joints for leaks
using liquid soap or an electronic leak device.
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.
Final Stages
1. Wind insulating covering around the joints of the
indoor unit and fix it with insulating tape.
2. Connect the exceeding part of the signal cable to
the piping or to the outdoor unit.
3. Fix the piping to the wall (after having coated it
with insulating tape) using clamps or insert them
into plastic slots.
4. Seal the hole in the wall through which the piping
is passed so that no air or water can fill.
Indoor Unit Test
- Do the ON/OFF and fan operate normally?
- Do all modes operate normally?
- Do the set point and Timer function properly?
- Does each lamp light normally?
- Do the louvers for air flow direction operate normally?
- Is the condensed water drained regularly?
Outdoor Unit Test
- Is there any abnormal noise or vibration during operation?
- Does the noise, the air flow or the condensed water
drainage disturb the neighbours?
- Is there any refrigerant leakage?
Installation Instructions
wall
Refrigerant flow direction
Turn to fully
open the valve
Open 1/4 turn
Turn to fully
open the valve
Turn
Note
The electronic controller has a 3-minute safety
protection in place when the compressor starts.
Содержание SAC-109
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