Carrier 012 - Manual (Page 5)

Table 1B — Physical Data (English)
BASE UNIT 50QJ 008 012
NOMINAL CAPACITY (tons) 6.6 8.2
OPERATING WEIGHT (lb)
Unit 840 940
With Economizer 884 984
Roof Curb 223 223
COMPRESSOR Hermetic
Quantity 2 2
Oil (fluid oz) (each compressor) 55 70
REFRIGERANT TYPE R-22
Operating Charge (lb-oz)
Circuit 1 8-2 8-14
Circuit 2 7-0 8-10
OUTDOOR FAN Propeller
Quantity...Diameter (in.) 1...26 1...26
Nominal Cfm 6100 6900
Motor Hp...Rpm 1 ⁄ 3 ...960 1 ⁄ 3 ...960
OUTDOOR COIL Enhanced Copper Tubes, Aluminum Fins, Acutrol™ Feed Device
Rows...Fins/in. 2...17 2...17
Total Face Area (sq ft) 20.5 25.0
INDOOR FAN Centrifugal
Size (in.) 15 x 15 15 x 15
Type Drive Belt Belt
Nominal Cfm 2600 3400
Horsepower per NEC* 1.5 2.0
Maximum Continuous Bhp 2.4 2.9
Motor Frame 56 56
Fan Rpm Range 622-882 692-896
Motor Bearing Type Ball Ball
Maximum Fan Rpm 1600 1600
Motor Pulley Pitch Diameter
2.4/3.4 3.4/4.4
A/B (in.)
Fan Pulley Pitch Diameter (in.) 5.5 7.0
Belt — Type...Length (in.) A...48 A...51
Pulley Center Line Distance (in.) 16.75-19.25 18.25-20.75
Fan Shaft Diameter at Pulley (in.) 1 1
Speed Change per Full Turn of
52 42
Movable Pulley Flange (rpm)
Movable Pulley Maximum Full
5 5
Turns from Closed Position
Factory Setting — Full Turns Open 5 5
Factory Speed Setting (Rpm) 620 690
INDOOR COIL Enhanced Copper Tubes, Aluminum Double Wavy Fins,
Acutrol Feed Device
Rows...Fins/in. 3...15 3...15
Total Face Area (sq ft) 8.0 10.0
OUTDOOR-AIR INLET SCREENS Cleanable
Quantity...Size (in.)
1...20 x 25 x 1
1...16 x 25 x 1
RETURN-AIR FILTERS Disposable
Quantity...Size (in.) 4...16 x 20 x 2 4...20 x 20 x 2
LEGEND
Bhp — Brake Horsepower
NEC — National Electrical Code (U.S.A. Standard)
*Used to determine wire sizing per NEC.
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