Carrier 50TCQD17-D24, Service And Maintenance Instructions, Page: 14 / 60

14
COOLING CHARGING CHARTS
OVERCHARGING UNIT INCREASES THE RISK OF
NUISANCE HIGH PRESSURE SWITCH TRIPS
CAUTION DO NOT OVERCHARGE UNIT
IN HEATING MODE,
RECLAIM CHARGE AND RECHARGE UNIT PER NAMEPLATE
15 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
Compressor Discharge Pressure, (psig)
Outdoor Coil Leaving Temperature, (Degrees F)
Add Charge if Above the Curve
Remove Charge if Below the Curve
50HE501614 - A
C12025
Fig. 21 -- Cooling Charging Chart -- 50TCQ--D17 Circuit A
OVERCHARGING UNIT INCREASES THE RISK OF
NUISANCE HIGH PRESSURE SWITCH TRIPS
CAUTION DO NOT OVERCHARGE UNIT
15 TON HEAT PUMP CHARGING CHART - R410A REFRIGERANT
(COOLING MODE) - CIRCUIT B
20
40
60
80
100
120
140
150 200 250 300 350 400 450 500 550 600
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
50HE501615 - A
C12026
Fig. 22 -- Cooling Charging Chart -- 50TCQ--D17 Circuit B