Refrigerant Recovery; Vacuuming Refrigerant System - Daewoo Solar 225LC-V Shop Manual

REFRIGERANT RECOVERY

Reference
Number
1
2 Low Pressure Side
3 High Pressure Side
4
5 Refrigerant Recovery Tank
1. Attach the manifold gauges and the
refrigerant recovery unit to the refrigerant
lines as shown.
NOTE: Be careful not to switch the
connections for the low and
high pressure valves.
2. Open the high pressure valve slowly to release the refrigerant to the recovery unit.
NOTE: Open the valve slowly, while checking to see that refrigerant is not leaking out.
3. When the manifold gauge dial falls below 3.5 kg/cm
4. Open both the high and low pressure valves slowly until the manifold gauge dials indicates 0 kg/cm
(0 psi).

VACUUMING REFRIGERANT SYSTEM

Reference
Number
1
2
3 High Pressure Side
4
5
1. Vacuuming Procedure
NOTE: When the A/C system has been
exposed to the air, it must be
vacuumed out. Perform vacuum
process for 30 minutes for
complete
evacuation.
A. Attach the manifold gauges and vacuum pump to the refrigerant system as shown.
B. Turn on the vacuum pump and open both valves.
C. When the low pressure gauge shows approximately 710 mmHg, close both valves and turn off
vacuum pump.
S0605060K
Page 22
Description
To Compressor
From Receiver
Description
To Compressor
Low Pressure Side
From Receiver
Vacuum Pump
moisture and air
2
1
5
Figure 17
2
(50 psi), slowly open the low pressure valve.
2
1
Figure 18
3
4
HDA6067L
2
3
4
5
HDA6068L
Air-Conditioner