Bryant COMMERCIAL AIR COOLED CONDENSING UNITS 576b User Manual
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3
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Table 1 — Physical Data
LEGEND
*Unit is factory supplied with holding charge only.
†Typical operating charge with 25 ft of interconnecting piping.
**Storage capacity of condenser coil with coil 80% full of liquid R-22 at
124 F.
NOTE: Unit 576B120 has one step of unloading. Full load is 100% of
capacity, and one step of unloading is 67% capacity. Unit 576B120 has
the following unloader settings: load is 70 ± 1 psig and unload is 60
± 2 psig.
UNIT
569C072
569C090
569C120
576B090
576B102
576B120
NOMINAL CAPACITY (tons)
6
7
1
/
2
10
7
1
/
2
8
1
/
2
10
OPERATING WEIGHT (lb)
Aluminum Coils (Std)
340
392
426
510
564
564
Copper Coils (Optional)
386
460
503
578
632
632
RIGGING WEIGHT (lb)
Aluminum Coils (Std)
390
420
445
560
614
614
Copper Coils (Optional)
436
488
522
628
682
682
REFRIGERANT*
R-22
Operating Charge†
Typical (lb)
11.4
13.6
16.5
14.3
16.4
16.4
Shipping Charge (lb)
2.0
2.0
2.0
2.0
2.0
2.0
COMPRESSOR
Reciprocating,
Hermetic
Scroll, Hermetic
Reciprocating, Semi-Hermetic
Qty...Type
1...H26A72Q
1...ZR94KC
1...ZR125KC
1...06DA818
1...06DA824
1...06DH824
(See Note)
Qty Cylinders (ea)
2
NA
NA
4
6
6
Speed (rpm)
3500
3500
3500
1750
1750
1750
Oil Charge (oz) (ea)
65
85
110
88
128
128
CONDENSER AIR FAN
Propeller; Direct Drive
Qty...Rpm
1...850
1...1100
1...1100
1...1100
1...1100
1...1100
Diameter (in.)
26
26
26
26
26
26
Motor Hp (NEMA)
1
/
3
3
/
4
3
/
4
3
/
4
3
/
4
3
/
4
Watts
444
976
960
930
930
930
Nominal Cfm Total
3800
6500
7000
6500
6500
6500
CONDENSER COIL
Enhanced Copper Tubes, Aluminum Lanced Fins
Rows...Fins/in.
2...17
Face Area (sq ft)
12.24
18.0
20.50
18.0
18.0
18.0
Storage Capacity (lb)**
11.26
16.56
18.87
16.56
16.56
16.56
CONNECTIONS (sweat)
Suction (in.)
1
1
/
8
1
1
/
8
1
1
/
8
1
1
/
8
1
1
/
8
1
1
/
8
Liquid (in.)
1
/
2
1
/
2
5
/
8
1
/
2
5
/
8
5
/
8
CONTROLS
Pressurestat Settings (psig)
High Cutout
426 ± 7
Cut-in
320 ± 20
Low
Cutout
7 ± 3
Cut-in
22 ± 5
NEMA — National Electrical Manufacturers Association