3
PHYSICAL DATA
Model
286BNC
UNIT SIZE SERIES
024---A
036---A
048---A
060---A
Operating Weight lb (kg)
310 (141)
310 (141)
314 (142)
368 (167)
Shipping Weight lb (kg)
376 (171)
376 (171)
380 (172)
434 (197)
Compressor Type
2---Stage Scroll
REFRIGERANT
Puron
®
(R---410A)
Control
TXV (Puron
®
Hard Shutoff)
Charge lb (kg)
14.00 (6.35)
15.50 (7.03)
14.25 (6.46)
15.75 (7.14)
Outdoor Htg Piston #
46
57
61
67
COND FAN
Propeller Type, Direct Drive
Air Discharge
Vertical
Air Qty (CFM)
3200
4269
4350
5000
Motor HP
1/12
1/5
1/4
1/4
Motor RPM
800
810
825
810
COND COIL
Face Area (Sq ft)
25.21
25.21
25.21
30.25
Fins per In.
20
20
20
20
Rows
2
2
2
2
Circuits
8
8
8
10
VALVE CONNECT. (In. ID)
Vapor
3/4
7/8
7/8
7/8
Liquid
3/8
REFRIGERANT TUBES (In. OD)
Rated Vapor*
3/4
7/8
1---1/8
1---1/8
Max Liquid Line
3/8
* Units are rated with 25 ft (7.6 m) of lineset length. See Vapor Line Sizing and Cooling Capacity Loss table when using other sizes and lengths of lineset.
Note
: See unit Installation Instruction for proper installation.
VAPOR LINE SIZING AND COOLING CAPACITY LOSS
Acceptable vapor line diameters provide adequate oil return to the compressor while avoiding excessive capacity loss. The suction line
diameters shown in the chart below are acceptable for AC systems with Puron refrigerant:
Unit
Nominal
Size
(Btuh)
Maximum
Liquid Line
Diameters
(In. OD)
Vapor Line
Diameters
(In.) OD
Cooling Capacity Loss (%)
Total Equivalent Line Length ft. (m)
Standard
Application
Long Line Application Requires Accessories
26---50
(7.9---15.2)
51---80
(15.5---24.4)
81---100
(24.7---30.5)
101---125
(30.8---38.1)
126---150
(38.4---45.7)
151---175
(46.0---50.3)
176---200
(53.6---60.0)
201---225
(61.3---68.6)
226---250
(68.9---76.2)
24,000
2---Stage
HP with
Puron
3/8
5/8
0
1
1
2
3
3
4
4
5
3/4
0
1
1
1
1
1
1
1
1
36,000
2---Stage
HP with
Puron
3/8
5/8
1
2
4
5
6
7
9
10
11
3/4
0
0
1
1
2
2
3
3
4
7/8
0
0
—
—
—
—
—
—
—
48,000
2---Stage
HP with
Puron
3/8
3/4
1
2
2
3
4
5
6
7
7
7/8
0
1
1
2
2
2
3
3
4
1---1/8
0
0
—
—
—
—
—
—
—
60,000
2---Stage
HP with
Puron
3/8
3/4
1
2
4
5
6
8
9
10
11
7/8
0
1
2
2
3
4
4
5
5
1---1/8
0
0
—
—
—
—
—
—
—
Standard Length = 80 ft. (24.4 m) or less total equivalent length
Applications in this area are long line. Accessories are required as shown recommended on Long Line Application Guidelines
Applications in this area may have height restrictions that limit allowable total equivalent length, when outdoor unit is below indoor unit.
— Applications in this area are not recommended due to insufficient oil return.
286B
N
C
Summary of Contents for 286BNC
Page 8: ...8 DIMENSIONS ENGLISH 286BNC ...
Page 9: ...9 DIMENSIONS SI 286BNC ...