TABLE 1A - 90MA/MU PHYSICAL DATA –
| BASE UNIT (90MA/MU) |
| UNITS | 308 |
| 312 | |
| NOMINAL CAPACITY |
| Tons | 5.5 |
| 8 | |
| REFRIGERANT |
|
| R- |
|
| |
| OPERATING WEIGHT |
|
|
|
|
| |
|
| Base unit 90MA |
| Pounds | 895 |
| 950 |
|
| Base Unit 90MU |
| Pounds | N/ |
| N/ |
|
| Discharge Plenum |
| Pounds | 50 |
| 50 |
| COMPRESSOR TYPE |
|
|
| |||
|
| Qty Cylinders |
|
| 4 |
| 6 |
|
| Qty Unloading Cylinders |
|
| 0 |
| 2 |
|
| Qty Capacity Steps |
|
| 1 |
| 2 |
| DISCHARGE | PRESSURE SWITCH |
|
|
|
|
|
|
| Opens (90MA) |
| PSIG | 335+/ |
| |
|
| Closes (90MA) |
| PSIG |
| ||
|
| Opens (90MU) |
| PSIG | N/ |
| |
|
| Closes (90MU) |
| PSIG | N/ |
| |
| SUCTION | PRESSURE SWITCH |
|
|
|
|
|
|
| Opens |
| PSIG | 7+/ |
| |
|
| Closes |
| PSIG |
| ||
| REFRIGERANT |
|
|
|
|
| |
|
| Typ |
|
| R- |
|
|
|
| Qty (90MA ONLY)) |
| Pounds | 11.2 |
| 10 |
| CONDENSER | (90MA ONLY) |
|
|
|
|
|
|
| Number...Type |
|
| 1…Tube | in Tube |
|
|
| Water Volume |
| Gallons | 2.42 |
| |
| EVAPORATOR AIR FAN |
|
| Adjustable, Belt Driven Centrifugal: 1750 RPM Motor@ 60hz | |||
|
| Nominal Flow |
| CFM | 3000 |
| 4000 |
|
| Standard Speed Range |
| RPM |
| ||
|
| Maximum Allowable Speed |
| RPM | 1250 |
| |
|
| Belt Qty/Pulley Pitch Diameter |
| Inches | 1 / 8.5 |
| 1 / 7.0 |
|
| Motor Pulley Pitch Diameter Range |
| Inches | 2.4 to 3.4 inches |
| |
|
| Motor Nominal Rating (@ 60Hz)…Frame Size |
|
|
|
|
|
|
| Standard |
| HP | 1…56 |
| 2…56 |
|
| Alternate (SeeNote 1) |
| HP | 2…56 |
| 3…56 |
|
| Alternate (See Note 1) |
| HP | 3…56 |
| N/ |
| EVAPORATOR COIL |
|
| 3/8 OD, Copper Tubes, Aluminum Fin | |||
|
| Tube |
|
| Prime |
| |
|
| Qty Rows…Fin Spacing | Fins/Inch | 3…12.5 |
| ||
|
| Face Area |
| Sq Ft | 7.3 |
| 8.5 |
| RETURN | AIR FILTERS |
|
| Factory Supplied, Cleanable | ||
|
| Qty…Size |
| Inches | 4…16 x 20 x 1 |
| |
| CONDENSER | CONNECTIONS (90MA ONLY) |
|
|
|
|
|
|
| Water Inlet (bottom) | Inches FPT | 1 |
| 1 | |
|
| Water Outler (top) | Inches FPT | 1 |
| 1 | |
|
| Maximum Working Pressure (Refrigerant Side) |
| PSIG | 400 |
| |
| CONDENSATE DRAIN CONNECTIONS | Inches FPT | 3/4 |
| |||
| ACCESSORY ELECTRIC HEAT |
|
|
|
|
| |
|
| Capacity @ 460 volts |
| Watts | 17.5 |
| |
|
| Capacity @ 400 volts |
| Watts | 13.4 |
| |
|
| Number of Electric Heat Stages |
|
| 2 |
| |
LEGEND |
|
|
|
|
| ||
FPT = Female Pipe Thread MPT = Male Pipe Thread | ODF = Outside Diameter Female |
| |||||
NOTES:
1. Motors other than those furnished with unit must be purchased separately. Contact your Carrier Marine representative
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations
Printed in U.S.A. | Pg 2 | |
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