Carrier 90MA Installation, Operating & Service Instructions page 7

BASE UNIT (90MA/MU)
NOMINAL CAPACITY
REFRIGERANT
OPERATING WEIGHT
Base unit 90MA
Base Unit 90MU
Discharge Plenum
COMPRESSOR TYPE
Qty Cylinders
Qty Unloading Cylinders
Qty Capacity Steps
DISCHARGE PRESSURE SWITCH
Opens (90MA)
Closes (90MA)
Opens (90MU)
Closes (90MU)
SUCTION PRESSURE SWITCH
Opens
Closes
REFRIGERANT
Typ
Qty (90MA ONLY))
CONDENSER (90MA ONLY)
Number...Type
Water Volume
EVAPORATOR AIR FAN
Nominal Flow
Standard Speed Range
Maximum Allowable Speed
Belt Qty/Pulley Pitch Diameter
Motor Pulley Pitch Diameter Range
Motor Nominal Rating (@ 60Hz)...Frame Size
Standard
Alternate (SeeNote 1)
Alternate (See Note 1)
EVAPORATOR COIL
Tube
Qty Rows...Fin Spacing
Face Area
RETURN AIR FILTERS
Qty...Size
CONDENSER CONNECTIONS (90MA ONLY)
Water Inlet (bottom)
Water Outler (top)
Maximum Working Pressure (Refrigerant Side)
CONDENSATE DRAIN CONNECTIONS
ACCESSORY ELECTRIC HEAT
Capacity @ 460 volts
Capacity @ 400 volts
Number of Electric Heat Stages
LEGEND
FPT = Female Pipe Thread
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.
TABLE 2C - 90MA/MU PHYSICAL DATA – R-404A , SI UNITS
MPT = Male Pipe Thread
UNITS 504
kW 10.5
kg 177
kg 150
kg 11.3
Scroll
N/
N/
1
kPa
kPa
kPa
kPa
kPa
kPa
kg 1.4
Liter 1.48
Adjustable, Belt Driven Centrifugal: 1750 RPM Motor@60hz
m3/hr 1698
RPM 534-757
RPM
cm 1 / 16.3
cm
kW 0.25...56
kW 0.56...56
kW N/
3/8 OD, Copper Tubes, Aluminum Fin
Fins/cm 2...5.7
m2 0.46
Factory Supplied, Cleanable
cm 2...40.6 x 63.5 x 2.5
Inches FPT 1/2
Inches FPT 1/2
kPa
Inches FPT
kW 5.25
kW 4.03
1
ODF = Outside Diameter Female
90MA-3SI SUPERCEDES FORM 62-02971-00 09-2009
Pg 7
506 508
17.6 26.4
R-
194 406
163 379
11.3 22.7
Semi-Hermetic, Recip
4
0
1
2725+/-69
2034+/-138
2937+/-48
2206+/-138
186+/-28
462+/-48
R-
2.4 5.1
1...Tube in Tube
3.3 9.2
2830 4245
534-757 402-570
1250
1 / 16.3 1 / 21.6
6.1 to 8.6 cm
0.56...56 0.75...56
0.75...56 1.5...56
N/ 2.2...56
Prime
3...5.7 3...4.9
0.46 0.68
4...40.6 x 50.8 x 2.5
3/4 1
3/4 1
2758
3/4
17.5
13.4
2
512
35.1
431
404
22.7
6
2
2
4.5
5660
488-692
1 / 17.8
1.5...56
2.2...56
N/
0.79
1
1