Table 3 90MA/MF Physical Data |
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BASE UNIT 90MA/MF | UNITS | 308 |
| 312 |
| 308 |
| 312 |
| English (Metric) |
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NOMINAL CAPACITY | Tons (kW) | 5.5 |
| 8 |
| 19.3 |
| 28.1 |
OPERATING WEIGHT |
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Base Unit | Pounds (kg) | 895 |
| 950 |
| 406 |
| 431 |
Discharge Plenum | Pounds (kg) | 50 |
| 50 |
| 22.7 |
| 22.7 |
COMPRESSOR TYPE |
| Hermetic |
| Hermetic | ||||
Quantity of Cylinders |
| 4 |
| 6 |
| 4 |
| 6 |
Quantity of Unloading Cylinders |
| 0 |
| 2 |
| 0 |
| 2 |
Quantity of Capacity Steps |
| 1 |
| 2 |
| 1 |
| 2 |
DISCHARGE PRESSURE SWITCH |
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Opens | psig (kPa) |
| 33510 |
| 231069 |
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Closes | psig (kPa) |
| 23520 |
| 1620138 |
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SUCTION PRESSURE SWITCH |
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Opens | psig (kPa) |
| 73 |
| 4821 |
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Closes | psig (kPa) |
| 225 |
| 15235 |
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OPERATING CHARGE | pounds (kg) | 11.2 |
| 10 |
| 5.1 |
| 4.5 |
CONDENSER |
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Number & Type |
| 1....Tube In Tube |
| 1....Tube In Tube | ||||
Water Volume | gallon (liter) |
| 2.42 |
| 9.2 |
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EVAPORATOR AIR FAN |
| Adjustable, Belt Driven Centrifugal: 1750 RPM Motor @ 60 Hz | ||||||
Nominal Flow | cfm (m3/h) | 3000 |
| 4000 |
| 4245 |
| 5660 |
Standard Speed Range | RPM |
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Maximum Allowable RPM |
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| 1050 |
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Belt Quantity / Pulley Pitch Diameter | inches (cm) | 1 / 8.5 |
| 1 / 7.0 |
| 1 / 21.6 |
| 1 / 17.8 |
Motor Pulley Pitch Diameter Range | inches (cm) |
| 2.4 to 3.4 |
| 6.1 to 8.6 |
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Motor Nominal Rating(@60 Hz)...Frame Size |
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Standard | horse power | 1...56 |
| 2...56 |
| .75 / 56 |
| 1.5 / 56 |
Alternate (See Note 1) | horse power | 2...56 |
| 3...56 |
| 1.5 / 56 |
| 2.2 / 56 |
Alternate (See Note 1) | horse power | 3...56 |
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| 2.2 / 56 |
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EVAPORATOR COIL |
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| 3/8 | OD(0.95) cm, Copper | Tubes, Aluminum | Fins |
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Tube Type |
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| Prime |
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Quantity of Rows...fin Spacing | fins/inch(cm) |
| 3...12.5 |
| 3...14.9 |
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Face Area | sq ft (sq m) | 7.3 |
| 8.5 |
| 0.68 |
| 0.79 |
RETURN AIR FILTERS |
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| Factory Supplied, Cleanable |
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Quantity...Size | inches (cm) | 4...16 x 20 x 1 |
| 4...40.6 x 50.8 x 2.5 | ||||
CONDENSER CONNECTIONS |
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Water Inlet (bottom) & Outlet (top) | inches FPT | 1 |
| 1 |
| 1 |
| 1 |
Maximum Working Pressure (refrigerant side) | psig (kPa) |
| 400 |
| 2758 |
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CONDENSATE DRAIN CONNECTIONS | inches FPT |
| 3/4 |
| 3/4 |
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ACCESSORY HEATING COILS |
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HOT WATER |
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Quantity of Rows...fin spacing | fins/inch(cm) | 2...14 |
| 2...14 |
| 2...5.5 |
| 2...5.5 |
Face Area | sq ft (m) | 6 |
| 6 |
| 0.56 |
| 0.56 |
Water Inlet (top) & Outlet Connection (bottom) | inches (cm) |
| MPT |
| MPT |
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STEAM |
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Quantity of Rows...fin spacing | fins/inch(cm) | 1...14 |
| 1...14 |
| 1...5.5 |
| 1...5.5 |
Face Area | sq ft (m) | 6.9 |
| 6.9 |
| 0.64 |
| 0.64 |
Water Inlet (top) & Outlet Connection (bottom) | inches (cm) |
| MPT |
| MPT |
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LEGEND |
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FPT = Female Pipe Thread MPT = Male Pipe Thread | ODF = Outside Diameter Female |
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NOTES:
1.Motors and drives other than those furnished with unit must be purchased separately. Contact your Carrier Transicold represen- tative.
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