Carrier 012 User Manual
Page 4
Table 1A — Physical Data (SI)
BASE UNIT 50LJQ
008
012
NOMINAL CAPACITY (kW)
23.2
28.8
OPERATING WEIGHT (kg)
Unit
381
426
With Economizer
401
446
Roof Curb
101
101
COMPRESSOR
Hermetic
Quantity
2
2
Oil (ml) (each compressor)
1627
2071
REFRIGERANT TYPE
R-22
Operating Charge (kg)
Circuit 1
3.7
4.0
Circuit 2
3.2
3.9
OUTDOOR FAN
Propeller
Quantity...Diameter (mm)
1...660
1...660
Nominal L/s
2900
3260
Motor BkW...r/s
.25...16.0
.25...16.0
OUTDOOR COIL
Enhanced Copper Tubes, Aluminum Fins, Acutrol™ Feed Device
Rows...Fins/m
2...669
2...669
Total Face Area (sq m)
1.9
2.3
INDOOR FAN
Centrifugal
Size (mm)
381 x 381
381 x 381
Type Drive
Belt
Belt
Nominal L/s
1200
1600
Motor BkW per NEC*
1.12
1.50
Maximum Continuous BkW
1.79
2.16
Motor Frame
56
56
Fan r/s Range
10.30-14.70
11.50-15.00
Motor Bearing Type
Ball
Ball
Maximum Fan r/s
26.7
26.7
Motor Pulley Pitch Diameter
61/86
86/112
A/B (mm)
Fan Pulley Pitch Diameter (mm)
140
178
Belt — Type...Length (mm)
A...1219
A...1295
Pulley Center Line Distance (mm)
425-489
464-527
Fan Shaft Diameter at Pulley (mm)
25
25
Speed Change per Full Turn of
.88
.70
Movable Pulley Flange (r/s)
Movable Pulley Maximum Full
5
5
Turns from Closed Position
Factory Setting — Full Turns Open
5
5
Factory Speed Setting (r/s)
10.3
11.5
INDOOR COIL
Enhanced Copper Tubes, Aluminum Double Wavy Fins,
Acutrol Feed Device
Rows...Fins/m
3...590
3...590
Total Face Area (sq m)
.74
.93
OUTDOOR-AIR INLET SCREENS
Cleanable
Quantity...Size (mm)
1...508 x 635 x 25
1...406 x 635 x 25
RETURN-AIR FILTERS
Disposable
Quantity...Size (mm)
4...406 x 508 x 50
4...508 x 508 x 50
LEGEND
BkW — Brake Kilowatt
NEC — National Electrical Code (U.S.A. Standard)
*Used to determine wire sizing per NEC.
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