IM 972-2 • MAVERICK I ROOFTOP SYSTEMS 44 www.DaikinApplied.com
Maintenance
System Charge Charts
Figure 37: System Charging Chart: MPS 015B
15 TON, CIRCUITS 1 & 2
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15 TON, CIRCUIT 1
15 TON, CIRCUIT 2
BOTH COMPRESSORS MUST BE OPERATING BEFORE CHECKING
REFRIGERANT CHARGE.
BEFORE FINAL REFRIGERANT CHECK!
RETURN AIR TEMPERATURE MUST BE WITHIN COMFORT CONDITIONS
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.
CAUTION:
INSTRUCTIONS:
SYSTEM CHARGE CHART - REFRIGERANT 410A
Содержание Maverick I
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