Carrier 48/50AJ specifications Charging Chart 48/50A2,A3,A4,A5020 with R-410A Refrigerant, 133

20 Ton MCHX CIRCUIT A Charging Chart

				All Compressors on a Circuit Must be Operating
					All Outdoor Fans Must be Operating
	150
	145													SS T= 55 F
F)	140													S S T= 45 F
														SS T= 3 5 F
	135
(deg
	130
ure	125			Reduce Charge if Above Curve
at	120
Temper
	115
	110
scharge	105								Add Charge if Below Curve
	100
	95
Di
ated	90
	85
ur
Sat	80
	75
	70
	55	60	65	70	75	80	85	90	95	100	105	110	115	120	125

Outdoor Air Temperature (deg F)

20 Ton MCHX CIRCUIT B Charging Chart

				All Compressors on a Circuit Must be Operating
					All Outdoor Fans Must be Operating
	150													SST= 55 F
	145
														SST= 45 F
F)	140													SST= 35 F
(deg	135
	130
ure
	125			Reduce Charge if Above Curve
at
	120
Temper
	115
	110
scharge	105								Add Charge if Below Curve
	100
	95
Di
ated	90
	85
ur
Sat	80
	75
	70
	55	60	65	70	75	80	85	90	95	100	105	110	115	120	125

Outdoor Air Temperature (deg F)

LEGEND a48-8401

MCHX— Microchannel Heat Exchanger

SST — Saturated Suction Temperature

Fig. 44 — Charging Chart — 48/50A2,A3,A4,A5020 with R-410A Refrigerant

133