Carrier GEMINI SELECT 38APD025, Руководство по эксплуатации и обслуживанию

Страница: 42 / 92

42
Fig. 50 — Charging Chart — 38APD070 — Circuit B, 50/60 Hz
90
100
110
120
130
Circuit A
50
40
E
A
T
LIQU
ID
VA
LVE
(D
EG
C
)
E
A
T
LIQUID
VA
LVE
(DEG
F)
ADD CHARGE IF ABOVE CURVE
50 SST
30 SST
40 SST
60
70
80
90
100
110
120
130
200 250 300 350 400 450 500 550 600
LIQUID PRESSURE AT LIQUID VALVE (PSIG)
Circuit A
1500
2000 2500 3000 3500
4000
LIQUID PRESSURE AT LIQUID VALVE (kPag)
50
40
30
20
LIQUID
TEM
PERA
T
URE A
T
LIQUID
VA
LVE
(D
EG
C)
LIQUID
TEM
PERA
T
URE A
T
LIQUID
VA
LVE
(D
EG
F)
ADD CHARGE IF ABOVE CURVE
REDUCE CHARGE IF BELOW CURVE
50 SST
30 SST
40 SST
Fig. 49 — Charging Chart — 38APD070 — Circuit A, 50/60 Hz
NOTE: Charging procedures for MCHX units require very accurate measurement techniques. Charge should be added in small increments. Using cooling
charging charts provided, add or remove refrigerant until conditions of the chart are met. As conditions get close to the point on the chart, add or remove charge in
1/4 lb increments until complete. Ensure that all fans are on and all compressors are running when using charging charts.
LEGEND
SST — Saturated Suction Temperature
a38-7183
90
100
110
120
130
Circuit B
50
40
E
A
T
LIQUID
VA
LVE
(DEG
C)
E
A
T
LIQUID
VA
LVE
(DEG
F)
ADD CHARGE IF ABOVE CURVE
50 SST
30 SST
40 SST
60
70
80
90
100
110
120
130
200 250 300 350 400 450 500 550 600
LIQUID PRESSURE AT LIQUID VALVE (PSIG)
Circuit B
1500
2000 2500 3000 3500
4000
LIQUID PRESSURE AT LIQUID VALVE (kPag)
50
40
30
20
LIQUID
TEM
P
ERA
T
URE A
T
LIQUID
VA
LVE
(D
EG
C)
LIQUID TEM
P
ERA
T
URE
A
T
LIQUID VA
LVE
(D
EG
F)
ADD CHARGE IF ABOVE CURVE
REDUCE CHARGE IF BELOW CURVE
50 SST
30 SST
40 SST
NOTE: Charging procedures for MCHX units require very accurate measurement techniques. Charge should be added in small increments. Using cooling
charging charts provided, add or remove refrigerant until conditions of the chart are met. As conditions get close to the point on the chart, add or remove charge in
1/4 lb increments until complete. Ensure that all fans are on and all compressors are running when using charging charts.
LEGEND
SST — Saturated Suction Temperature
a38-7184