Evaporators Bohn Refrigeration SM SME Technical Guide

User Manual: SM

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bn-cmTB
April 2008
Replaces BN-CMTB, October 2007

®

center mount unit coolers
Technical Guide
Models SM | Air Defrost • SME | Electric Defrost

www.thecoldstandard.com

®

Table of Contents
Nomenclature..........................................................................................................................................................................................................2
Features & Benefits................................................................................................................................................................................................3
Performance Data..................................................................................................................................................................................................4
Specifications...........................................................................................................................................................................................................5
Physical Data............................................................................................................................................................................................................6
Dimensional Data...................................................................................................................................................................................................6
Replacement Parts by InterLink™.....................................................................................................................................................................7
Standard Nozzle Selection..................................................................................................................................................................................7

We have made a commitment to customer needs, innovation and environmental stewardship and have dedicated
ourselves to delivering energy-efficient choices. PSC and EC motors will reduce costs, improve the bottom line and
enhance equipment performance and service life.

Choose the most energy-efficient motor available for evaporators.
The EC motor is an Energy Solutions® option on new Bohn Center Mount
evaporators. Available on all new equipment or as an easy-to-install, drop-in
replacement aftermarket part from InterLink™ Commercial Refrigeration Parts.
Because they’re a drop-in replacement for existing shaded pole and PSC
motors, installation is quick and easy. It’s a high impact, quick payback
solution for reducing costs and achieving green initiatives without replacing
the entire system.
EC motors by InterLink are up to 75% efficient - that’s a 51-59% increase
over shaded pole motors and a 30-35% increase over permanent-split
capacitor (PSC) motors. With all of this added efficiency, you can count on
more energy savings and lower operational costs while taking a step in the
right direction toward conserving our planet’s resources.
To learn more about EC motors, visit www.interlinkparts.com/ec.

Nomenclature
SM
Model Series
SM = Bohn Center Mount,
air defrost
SME = Bohn Center Mount,
electric defrost

052
Capacity
# BTUH x 100

A

E

Electrical Code

Design Revision

A = 115/1/60
B = 208-230/1/60
AE = 115/1/60 (EC)
BE = 208-230/1/60 (EC)
©2008 Heatcraft Refrigeration Products LLC



®

Features & Benefits
Cabinet
• Air moves across the ceiling in both directions providing even air distribution throughout the cooler
• Compact, ceiling mount and center mount design allows for shelving and storage of product around all walls
• Heavy-gauge grained aluminum cabinet cleans ­easily and looks attractive
• Stainless steel screws prevent rust streaks
• Panels on ends quickly remove for complete access to refrigerant components and electrical terminal block during
installation and servicing
• Quick disconnect, waterproof plug and receptacle for each motor in all models
• Wire fan guards with PVC coating for durability

Coil
• High-efficiency aluminum fins with full collars cover mechanically expanded copper tubes
• Coils are dehydrated and sealed at the factory
• Highest quality tubular heaters provide fast and economical defrost
• Generous coil surface gives proper compressor ­balance
• Standard adjustable defrost termination fan delay thermostat

Drain Pan
• Double drain pan eliminates drain pan sweating
• Tapered mounting provides proper slope for condensate drainage to one end of the unit

Motors
• Motors are life lubricated and thermal overload protected
• EC motors (optional) available factory-installed or as a drop-in replacement through InterLink™ Commercial
Refrigeration Parts in 115/1/60, 208-230/1/60 voltages
• PSC motors are optional for 115/1/60, 208-230/1/60 voltages
• PSC motors or EC motors are required for 50 Hz operation

Options
• Unit Configurations: mounted components, pre-assembled, pre-charged and Beacon II™
- Units available with mounted TXV and mounted TXV / solenoid valve
- Pre-assembled units come with mounted TXV, liquid line solenoid valve and room thermostat
- Pre-charged units come with mounted TXV, liquid line solenoid valve, room thermostat and quick connect fittings
- Mounted room thermostat
- Beacon II units come with electronic expansion valves, pressure transducer, temperature sensors and Beacon
control board
• Most models available with glycol circuiting (see glycol product brochure)
• Units available with stainless steel housing and drain pan
• Units available with copper fins. Air defrost units also available with polyester coated fins or various coil coatings options
All Bohn Center Mount units are UL listed for US and Canada and meet NSF standards





®

Performance Data
Model SM Air Defrost | 60 Hz
Model
SM052
SM076
SM090
SM102
SM108
SM134
SM156
SM179
SM208
SM249

10˚F TD
25˚F SST
BTUH
5,200
7,600
9,000
10,200
10,800
13,400
15,600
17,900
20,800
24,900

Capacity

6˚C TD
-4˚C SST
Watts
1,520
2,230
2,640
2,990
3,160
3,920
4,570
5,240
6,100
7,290

15˚F TD
25˚F SST
BTUH
7,800
11,400
13,500
15,300
16,200
20,100
23,400
26,850
31,200
37,350

8˚C TD
-4˚C SST
Watts
2,280
3,340
3,950
4,480
4,750
5,890
6,850
7,860
9,140
10,940

Fan Data
No.

CFM

m3H

1
2
2
2
3
3
3
4
4
5

610
1,300
1,260
1,220
1,950
1,890
1,830
2,520
2,440
3,050

1,035
2,210
2,140
2,075
3,315
3,210
3,110
4,285
4,145
5,185

Model SM Air Defrost | 50 Hz†
Model
SM052
SM076
SM090
SM102
SM108
SM134
SM156
SM179
SM208
SM249

10˚F TD
25˚F SST
BTUH
4,950
7,220
8,550
9,690
10,260
12,730
14,820
17,010
19,760
23,660

Capacity

6˚C TD
-4˚C SST
Watts
1,450
2,110
2,500
2,840
3,000
3,730
4,340
7,980
5,790
6,930

15˚F TD
25˚F SST
BTUH
7,410
9,880
12,830
14,540
15,390
17,420
22,230
23,290
29,640
32,400

8˚C TD
-4˚C SST
Watts
2,170
2,890
3,760
4,260
4,510
5,100
6,510
6,820
8,680
9,490

Fan Data
No.

CFM

m3H

1
2
2
2
3
3
3
4
4
5

550
1,170
1,135
1,100
1,755
1,700
1,650
2,270
2,200
2,745

935
1,990
1,930
1,865
2,985
2,890
2,800
3,855
3,735
4,665

Model SME Electric Defrost | 60 Hz
Model
SME040
SME054
SME065
SME090
SME130
SME174

10˚F TD
-20˚F SST
BTUH
4,000
5,400
6,500
9,000
13,000
17,400

Capacity
6˚C TD
-29˚C SST
Watts
1,170
1,580
1,900
2,640
3,810
5,100

12˚F TD
-20˚F SST
BTUH
4,800
6,480
7,800
10,800
15,600
20,880

Fan Data
7˚C TD
-29˚C SST
Watts
1,410
1,900
2,280
3,160
4,570
6,120

No.

CFM

m3H

1
2
2
3
3
4

610
1,300
1,260
1,950
1,830
2,440

1,037
2,210
2,142
3,315
3,111
4,148

Model SME Electric Defrost | 50 Hz†
Model
SME040
SME054
SME065
SME090
SME130
SME174
†

10˚F TD
-20˚F SST
BTUH
3,800
5,130
6,180
8,550
12,350
16,530

Capacity

6˚C TD
-29˚C SST
Watts
1,110
1,500
1,810
2,500
3,620
4,840

12˚F TD
-20˚F SST
BTUH
4,560
6,160
7,410
10,260
14,820
19,840

7˚C TD
-29˚C SST
Watts
1,335
1,890
2,170
3,000
4,340
5,810

Fan Data
No.

CFM

m3H

1
2
2
3
3
4

550
1,170
1,135
1,755
1,650
2,200

993
1,989
1,928
2,983
2,800
3,733

For EC motors, use 60 Hz capacity and airflow values (Units with EC motors operating at 50 Hz will not see a reduction in
performance due to the electronic control of the motor)



®

Specifications
Model SM Air Defrost | 60 Hz
Model

HP

SM052
SM076
SM090
SM102
SM108
SM134
SM156
SM179
SM208
SM249

1/15
1/15
1/15
1/15
1/15
1/15
1/15
1/15
1/15
1/15

Shaded Pole

115/1/60
Amps Watts
2.1
135
4.2
270
4.2
270
4.2
270
6.3
405
6.3
405
6.3
405
8.4
540
8.4
540
10.5
675

208-230/1/60
Amps Watts
1.1
135
2.2
270
2.2
270
2.2
270
3.3
405
3.3
405
3.3
405
4.4
540
4.4
540
5.5
675

PSC Motor

115/1/60
Amps Watts
0.9
90
1.8
180
1.8
180
1.8
180
2.7
270
2.7
270
2.7
270
3.6
360
3.6
360
4.5
450

208-230/1/60
Amps Watts
0.5
90
1.0
180
1.0
180
1.0
180
1.5
270
1.5
270
1.5
270
2.0
360
2.0
360
2.5
450

EC Motor

115/1/60
Amps Watts
0.9
55
1.8
110
1.8
110
1.8
110
2.7
165
2.7
165
2.7
165
3.6
220
3.6
220
4.5
275

208-230/1/60
Amps Watts
0.5
55
1.0
110
1.0
110
1.0
110
1.5
165
1.5
165
1.5
165
2.0
220
2.0
220
2.5
275

Model SM Air Defrost | 50 Hz
Model

HP

SM052
SM076
SM090
SM102
SM108
SM134
SM156
SM179
SM208
SM249

1/15
1/15
1/15
1/15
1/15
1/15
1/15
1/15
1/15
1/15

PSC Motor

110/1/50
Amps
Watts
0.8
80
1.7
160
1.7
160
2.5
240
2.5
240
2.5
240
3.3
320
3.3
320
3.3
320
4.2
400

220/1/50
Amps
Watts
0.4
80
0.8
160
0.8
160
1.2
240
1.2
240
1.2
240
1.6
320
1.6
320
1.6
320
2.0
400

EC Motor

110/1/50
Amps
Watts
0.9
55
1.8
110
1.8
110
1.8
110
2.7
165
2.7
165
2.7
165
3.6
220
3.6
220
4.5
275

220/1/50
Amps
Watts
0.5
55
1.0
110
1.0
110
1.0
110
1.5
165
1.5
165
1.5
165
2.0
220
2.0
220
2.5
275

Model SME Electric Defrost | 60 Hz
Model

HP

SME040
SME054
SME065
SME090
SME130
SME174

1/15
1/15
1/15
1/15
1/15
1/15

Shaded Pole Motor
208-230/1/60
Amps
Watts
1.1
135
2.2
270
2.2
270
3.3
405
3.3
405
4.4
540

PSC Motor

208-230/1/60
Amps
Watts
0.5
90
1.0
180
1.0
180
1.5
270
1.5
270
2.0
360

EC Motor

208-230/1/60
Amps
Watts
0.5
55
1.0
110
1.0
110
1.5
165
1.5
165
2.0
220

Heaters

208-230/1/60
Watts
5.3
8.7
8.7
10.5
15.7
20.9

Model SME Electric Defrost | 50 Hz
Model

HP

SME040
SME054
SME065
SME090
SME130
SME174

1/15
1/15
1/15
1/15
1/15
1/15

PSC Motor

220/1/50
Amps
Watts
0.4
80
0.8
160
0.8
160
1.2
240
1.2
240
1.6
320

EC Motor

220/1/50
Amps
Watts
0.5
55
1.0
110
1.0
110
1.5
165
1.5
165
2.0
220

Heaters

220/1/50
Watts
5.3
8.7
8.7
10.5
15.7
20.9

NOTE: Shaded pole motors
are standard for all 60 Hz
units and PSC motors are
standard for all 50 Hz units



®

Physical Data
Model SM Air Defrost
Model
SM052
SM076
SM090
SM102
SM108
SM134
SM156
SM179
SM208
SM249

No.
of
Fans
1
2
2
3
3
3
4
4
4
5

Model SME Electric Defrost

Connections (in.)

Approx. Net Wt.

Inlet OD

Suction OD

lbs.

kg

1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2

7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
1-1/8
1-1/8

42
64
70
83
105
117
123
149
164
206

19
29
32
38
48
53
56
68
74
94

Model
SME040
SME054
SME065
SME090
SME130
SME174

No.
of
Fans
1
2
2
3
3
4

Connections (in.)

Approx. Net Wt.

Inlet OD

Suction OD

lbs.

kg

1/2
1/2
1/2
1/2
1/2
1/2

7/8
7/8
7/8
7/8
7/8
1-1/8

90
120
120
160
174
218

41
54
54
73
79
99

Dimensional Data
28-13/16"
732 mm
L
5-3/4"
146 mm

22"
560 mm

10-1/4"
261 mm

11-3/4"
299 mm

27-5/8"
702 mm

3-13/16"
97 mm

22"
560 mm

3/5"
31 mm

3/8" DIA. MTG. HOLES

6-7/8"
7-9/16"
175 mm 192 mm

8-5/8"
219 mm

AIR OUT

DRAIN

ELECTRICAL
CONNECTION
(OPPOSITE SIDE)

AIR IN

REFRIGERANT
CONNECTION
(OPPOSITE SIDE)

AIR IN

NOTE: All units have 1/4" OD external equalizer and 3/4" FPT drain connection

Model SM Air Defrost



AIR OUT

3/5"
31 mm

Model

No.
of
Fans

SM052
SM076
SM090
SM102
SM108
SM134
SM156
SM179
SM208
SM249

1
2
2
3
3
3
4
4
4
5

Dimensions
L
in.
mm
31-1/2
800
53-1/2
1359
53-1/2
1359
53-1/2
1359
75-1/2
1918
75-1/2
1918
75-1/2
1918
97-1/2
2477
97 1/2
2477
119-1/2
3035

Model SME Electric Defrost
Model

No.
of
Fans

SME040
SME054
SME065
SME090
SME130
SME174

1
2
2
3
3
4

Dimensions
L
in.
mm
31-1/2
800
53-1/2
1359
53-1/2
1359
75-1/2
1918
75-1/2
1918
97-1/2
2477

5-1/2"
140 mm

2-7/8"
71 mm
REFRIGERANT
CONNECTION

®

Replacement Parts
Cabinet Components
Part #

Commercial Refrigeration Parts

Right source. Right parts. Right now.
InterLink™ is your link to a complete line of dependable and
certified commercial refrigeration parts, accessories and
innovative electronic controls for all Bohn equipment. At
InterLink, we provide our wholesalers with a comprehensive
selection of product solutions and innovative technologies
for the installed customer base. And every product is built
to ensure the same high performance standards with which
all Heatcraft Refrigeration Products (HRP) brands are built
— backed by a dedicated team to serve every customer
need, delivering at the best lead times in the industry.
Dependable. Versatile. Courteous.
Finally, one simple source for all your replacement needs
from a name you can trust.
For parts, please contact (800) 686-7278 or visit www.interlinkparts.com.

Motor/Fan Blade/Fan Guards
Part #
5036SS
5036TS
5036NS
5036PS
25305901
25317901
25318001
5110E
5055F
40003001

Description
Motor 115/1/60 Shaded Pole
Motor 208-230/1/60 Shaded Pole
Motor 115/1/60/50 PSC
Motor 208-230/1/60/50 PSC
Motor 460/1/60
Motor 208-230/1/60 EC
Motor 115/1/60 EC
Fan Blade
Fan Guard - Wire
Motor Mount Plate

No.
Fans
1-5
1-5
1-5
1-5
1-5
1-5
1-5
1-5
1-5
1-5

C26363A2
C26360A2
C26361A2
C26362A2
40820301
40820601
40820701
C26361A4
C26362A4
D20817A4

No.
Fans

Description
Drain Pan - Stucco
Drain Pan - Stucco
Drain Pan - Stucco
Drain Pan - Stucco
Drain Pan - Stucco
Drain Pan - White
Drain Pan - White
Drain Pan - White
Drain Pan - White
Drain Pan - White

1
2
3
4
5
1
2
3
4
5

Electrical Components
Part #
22512601
4267W
4550G

Description
Terminal Board
Defrost Termination / Fan Delay Thermostat
Filter (optional one per fan)

Electric Defrost
Part #

Description

4400S
4401S
4402S
4403S
4404S

Coil Heater
Coil Heater
Coil Heater
Coil Heater
Coil Heater

No. of
Circuits
2
2
4
4
4
4
6
6
6
6

R-404A

R22

L-1/2
L-3/4
L-3/4
L-1
L-1
L-1-1/2
L-1-1/2
L-2
L-2
L-2-1/2

L-1/4
L-1/3
L-1/2
L-1/2
L-1/2
L-3/4
L-3/4
L-3/4
L-1
L-1

No. of
Circuits
2
2
4
4
6
6

R-404A

R22

L-1/2
L-3/4
L-3/4
L-1
L-1-1/2
L-2

L-1/4
L-1/3
L-1/2
L-3/4
L-1
L-1-1/2

Model

No.
Fans

040
054, 065
090
130
174

1
2
3
3
4

Standard Nozzle Selection
Model SM Air Defrost
Model
SM052
SM076
SM090
SM102
SM108
SM134
SM156
SM179
SM208
SM249

No. of
Fans
1
2
2
3
3
3
4
4
4
5

Distributor Tube (in.)
OD
Length
3/16
18
3/16
18
3/16
18
3/16
18
3/16
18
3/16
18
3/16
18
3/16
18
3/16
18
3/16
18

Model SME Electric Defrost
Model
SME040
SME054
SME065
SME090
SME130
SME174

No. of
Fans
1
2
2
3
3
4

Distributor Tube (in.)
OD
Length
3/16
18
3/16
18
3/16
18
3/16
18
3/16
18
3/16
18



For more information on Bohn refrigeration products, contact your
Sales Representative or visit us at www.thecoldstandard.com.

A Brand of Heatcraft Refrigeration Products LLC
2175 West Park Place Blvd. • Stone Mountain, GA • 30087
800.537.7775 • FAX 770.465.5990
®

www.thecoldstandard.com
Since product improvement is a continuing effort, we reserve the right to
make changes in specifications without notice.
bn-cmTB-0408 | Version 000



---

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History Action                  : saved, saved
History Instance ID             : xmp.iid:A5379DAF1914E011A8C5BD0E5EDF85E2, xmp.iid:AA379DAF1914E011A8C5BD0E5EDF85E2
History When                    : 2010:12:30 08:35:37-05:00, 2010:12:30 08:36:25-05:00
History Changed                 : /metadata, /metadata
Format                          : application/pdf
Creator                         : Heatcraft Refrigeration Products - Bohn Refrigeration
Subject                         : Bohn Refrigeration, evaporation, unit, cooler, commercial, industrial, Heatcraft Refrigeration Products, Master Group
Title                           : Evaporators- Bohn Refrigeration
Rights                          : Heatcraft Refrigeration Products - Bohn Refrigeration
Description                     : Bohn Refrigeration - Technical Guide
Producer                        : Adobe PDF Library 7.0
Trapped                         : False
Authors Position                : Refrigeration Products
Headline                        : Evaporators- Bohn Refrigeration
Country                         : Canada
Creator Work URL                : http://www.thecoldstandard.com
Page Count                      : 8

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