4) After evacuation, unscrew the spindle (diagram B) for the gas to run to indoor unit.
5) Decision by low side pressure. Turn compressor on for 10 or 15 min.
STANDARD CONDITION HEAVY LOAD CONDITION
Indoor 27°C / Outdoor 35°C Indoor 32°C / Outdoor 43°C
kg/cm
2
psig kg/cm
2
psig
AWM 10F/FR 5.2 ~ 6.0 74.0 ~ 85.0 5.7 ~ 6.4 81.0 ~ 92.0
AWM 15F/FR 4.6 ~ 5.6 65.4 ~ 79.6 5.2 ~ 6.3 74.0 ~ 89.6
AWM 20F/FR 4.6 ~ 5.6 65.4 ~ 79.6 5.2 ~ 6.3 74.0 ~ 89.6
AWM 25F/FR 4.0 ~ 4.8 56.9 ~ 68.3 4.5 ~ 5.0 64.0 ~ 71.1
AWM 301/301R 4.0 ~ 4.8 56.9 ~ 68.3 4.5 ~ 5.0 64.0 ~ 71.1
Within the value - refrigerant cycle normal.
Lower than value - refrigerant cycle has some leaks - check, amend and top up is necessary.
Extremely low ( ≅ zero) - needs evacuation and charge.
ADDITIONAL CHARGE
• The refrigerant gas is charged in the outdoor unit and, if the piping length is 7.6m, additional charge of
the refrigerant after vacuuming is not necessary.
• When the piping length is more than 7.6m, please use the table below :
Additional charge in gram.
MODEL 10m 12m 15m 25m 35m
COOLING ONLY
AWM 10F/15F 35 65 - - -
AWM 20F 35 65 110 - -
AWM 25F 90 165 280 - -
AWM 301 90 165 280 650 1030
HEATPUMP
AWM 10FR / 15FR 50 90 - - -
AWM 20FR 60 110 185 - -
AWM 25FR 120 220 370 - -
AWM 301R 120 220 370 870 1370
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