Specifications

42
FIGURE 18
5
.0 TON CHARGING CHART
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OUTDOOR AMBIENT (°F DB)
55
65
75
85
95
105
115
5 TON COOLING - 13 AND 14 SEER
SYSTEM CHARGE CHART - REFRIGERANT 410A
Pressure at Suction Service Port (psig)
CONNECT PRESSURE GAUGES TO SUCTION AND LIQUID PORTS ON UNIT .
MEASURE AIR TEMPERATURE TO OUTDOOR COIL .
PLACE AN "X" ON THE APPROPRIATE CHART WHERE THE SUCTION AND LIQUID PRESSURES CR OSS.
IF "X" IS BELOW AMBIENT TEMPERATURE LINE, ADD CHARGE AND REPEAT STEP 3 .
IF "X" IS ABOVE AMBIENT TEMPERATURE LINE, RECOVER EXCESS CHARGE AND REPEAT STEP 3.
PRESSURE AT LIQUID SERVICE PORT - PSIG
BEFORE FINAL REFRIGERANT CHECK, INDOOR RETURN AIR TEMPERATURE SHOULD BE AT COMF ORT
CONDITIONS FOR MOST ACCURATE RESULTS .
150
200
250
300
350
400
450
500
550
100 120 140 160 180 200 220