Handleiding
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24
English
Connecting up and removing air in the circuit
• When installing, make sure there is no leakage. When recovering the refrigerant, ground the compressor rst
before removing the connection pipe. If the refrigerant pipe is not properly connected and the compressor
works with the service valve open, the pipe inhales the air and it makes the pressure inside of the refrigerant
cycle abnormally high. It may cause explosion and injury.
CAUTION
The air in the indoor unit and in the pipe must be purged. If air remains in the refrigeration pipes, it will aect the compressor
either reduce cooling/heating capacity or lead to a malfuction. Refrigerant for air purging is not charged in the outdoor unit.
Use Vacuum Pump as shown at the right gure.
1. Connect each assembly pipe to the appropriate valve on the outdoor unit and tighten the are nut.
2. Referring to the illustration opposite, tighten the are nut on section B rst manually and then with a torque wrench,
applying the following torque.
Outer Diameter (D) Torque (N•m)
Outdoor unit
A (Gas) C
D
B (Liquid)
ø6.35 mm(1/4") 14~18
ø9.52 mm(3/8") 34~42
ø12.70 mm(1/2") 49~61
ø15.88 mm(5/8") 68~82
ø19.05 mm(3/4") 100~120
3. Connect the charging hose of low pressure side of manifold gauge to the
packed valve having a service port as shown at the gure.
• Make the electrical connection and leave the system into “stand by
mode”. Do not turn on the system.
• This is necessary to speed up vacuum operation (full OPEN
position of Electronic Expansion Valve - EEV -).
CAUTION
Vacuum
pump
❋ The designs and shape are subject to
change according to the model.
4. Open the valve of the low pressure side(A) of manifold gauge
counterclockwise.
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Productinformatie
| Merk | Samsung |
| Model | AC048MXQFGC |
| Categorie | Airco |
| Taal | Nederlands |
| Grootte | 4327 MB |
