System Charge Charts - Daikin Maverick I Installation And Maintenance Manual

System Charge Charts

Figure 37: System Charging Chart: MPS 015B
INSTRUCTIONS:
IM 972-2 • MAVERICK I ROOFTOP SYSTEMS
SYSTEM CHARGE CHART - REFRIGERANT 410A
15 TON, CIRCUITS 1 & 2
CAUTION: BOTH COMPRESSORS MUST BE OPERATING BEFORE CHECKING
REFRIGERANT CHARGE.
RETURN AIR TEMPERATURE MUST BE WITHIN COMFORT CONDITIONS
BEFORE FINAL REFRIGERANT CHECK!
MEASURE PRESSURE AT COMPRESSOR SUCTION AND DISCHARGE.
MEASURE OUTDOOR AMBIENT TO UNIT.
PLACE (X) ON CHART WHERE SUCTION AND DISCHARGE INTERSECT.
IF (X) IS BELOW OUTDOOR AMBIENT LINE, ADD CHARGE AND REPEAT
STEPS 1-3.
IF (X) IS ABOVE OUTDOOR AMBIENT LINE, RECOVER EXCESS CHARGE
AND REPEAT STEPS 1-3.
575
550
525
500
475
450
425
400
375
350
325
300
275
250
225
100
15 TON, CIRCUIT 1
575
550
525
500
475
450
425
400
375
350
325
300
275
250
225
100
15 TON, CIRCUIT 2
44
Maintenance
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