Carrier 50TCQD17-D24, Service And Maintenance Instructions, Page: 15 / 60

15
OVERCHARGING UNIT INCREASES THE RISK OF
NUISANCE HIGH PRESSURE SWITCH TRIPS
CAUTION DO NOT OVERCHARGE UNIT
20 TON HEAT PUMP CHARGING CHART - R410A REFRIGERANT
(COOLING MODE) - CIRCUIT A
20
40
60
80
100
120
140
150 200 250 300 350 400 450 500 550 600 650
Compressor Discharge Pressure, (psig)
Outdoor Coil Leaving Temperature, (Degrees F)
Add Charge if Above the Curve
Remove Charge if Below the Curve
IN HEATING MODE,
RECLAIM CHARGE AND RECHARGE UNIT PER NAMEPLATE
50HE501616 - A
C12027
Fig. 23 -- Cooling Charging Chart -- 50TCQ--D24 Circuit A
OVERCHARGING UNIT INCREASES THE RISK OF
NUISANCE HIGH PRESSURE SWITCH TRIPS
CAUTION DO NOT OVERCHARGE UNIT
20 TON HEAT PUMP CHARGING CHART - R410A REFRIGERANT
(COOLING CODE) - CIRCUIT B
20
40
60
80
100
120
140
150 200 250 300 350 400 450 500 550 600 650
Compressor Discharge Pressure, (psig)
Outdoor Coi
l Leavi
n
g Tem
p
erature,
(Degrees F)
Add Charge if Above the Curve
Remove Charge if Below the Curve
IN HEATING MODE,
RECLAIM CHARGE AND RECHARGE UNIT PER NAMEPLATE
50HE501617 - A
C12028
Fig. 24 -- Cooling Charging Chart -- 50TCQ--D24 Circuit B