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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.
MWM 010F/FR
MWM 015F/FR
MWM 020F/FR
MWM 025F/FR
MWM 030F/FR
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
COOLING ONLY
MWM 010F / 015F
MWM 020F
MWM 025F
MWM 030F
HEATPUMP
MWM 010FR / 015FR
MWM 020FR
MWM 025FR
MWM 030FR
STANDARD CONDITION
Indoor 27°C / Outdoor 35°C
2
kg/cm
psig
5.2 ~ 6.0
74.0 ~ 85.0
4.6 ~ 5.6
65.4 ~ 79.6
4.6 ~ 5.6
65.4 ~ 79.6
4.0 ~ 4.8
56.9 ~ 68.3
4.0 ~ 4.8
56.9 ~ 68.3
10m
35
35
90
90
50
60
120
120
HEAVY LOAD CONDITION
Indoor 32°C / Outdoor 43°C
kg/cm
5.7 ~ 6.4
5.2 ~ 6.3
5.2 ~ 6.3
4.5 ~ 5.0
4.5 ~ 5.0
12m
15m
65
-
65
110
165
280
165
280
90
-
110
185
220
370
220
370
82
2
psig
81.0 ~ 92.0
74.0 ~ 89.6
74.0 ~ 89.6
64.0 ~ 71.1
64.0 ~ 71.1
25m
35m
-
-
-
-
-
-
650
1030
-
-
-
-
-
-
870
1370
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