LK-PSMTB
May 2008
Replaces LK-PSMTB, February 2008
PRO3 Side Mount Packaged
Refrigeration System
Technical Guide
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Features and Benefits
The PRO3 packaged refrigeration systems combine evaporator and condensing unit into one unit — simplifying
installation and reducing refrigerant charge — saving time, money and energy.
The latest addition to the PRO3 family, the PRO3 Side Mount is optimized for outdoor applications and is ideal for
small- to medium-sized restaurant and convenience store applications where maximum airflow is essential for
pulling down the temperature of foods or beverages. The Side Mount PRO3 is also available with electric defrost
medium temperature models, ensuring maximum performance in storage applications slightly above freezing.
For holding temperature with maximum space, see the PRO3 Top Mount packaged refrigeration system (models
PTN and PTT).
Ease of Installation and Service
• Installation takes a fraction of the time required for a split system: refrigerant is pre-charged at factory,
superheat adjustment is not required and unit slides into slots in standard walk-in panel (see installation manual
for more information)
• Designed for simple serviceability: the condensing unit section’s cabinet door can be quickly removed; in
addition, the electrical box is located outside the cabinet for easy access
• Flexible design allows for multiple installation methods: Optimized for outdoor use, but can be used indoors
as well (with drain connection)
• Lifting lugs and hanging brackets in evaporating section allow for easy installation
Ease of Use
• System is factory-assembled, evacuated, charged, run-tested and wired; no additional components required
• Controls preset for typical applications: +38° F for high temp. coolers, +35° F for medium temp. coolers, -10° F for
freezers and are easy to adjust
Performance
• Maximized airflow: evaporator placement in walk-in box with pull-through fans
• Suitable for temperature pull-down and holding temperature
• Increased condenser capacity, by avoiding compressor heat
• Improved tolerance in high-ambient conditions
• Electric defrost in medium temperature models, allowing for maximum
performance in storage applications just above 32°F
• Fan-cycling for head pressure control
• Crankcase heater
• Drain line heater
Reliable | Durable
• System is fully-assembled and quality-tested at the factory
• Electronic microprocessor control provides accurate temperature control
• Liquid-line filter drier
• Two-year parts warranty
Environmentally Friendly
• Energy Solutions® energy-efficient motors from InterLink™ Commercial
Refrigeration Parts:
• PSC motors standard in both condensing unit and evaporator section
• EC motors optional, but may be required in some states (evaporator section only)
• Reduced refrigerant charge: the PRO3 Side Mount packaged refrigeration system uses approximately
10 percent* of refrigerant required for a comparable split system
* Results may vary. Estimate based on a typical 100-foot refrigerant line length.
ꢁ
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Performance, Capacities and Specifications
Model PST High/Medium Temperature | Air Defrost | Cooler Application
80° F Ambient
90° F Ambient
95° F Ambient
100° F Ambient 110° F Ambient
Model
Box Temperature
ꢁ5° F
ꢁ8° F
ꢁ5° F
ꢁ8° F
ꢁ5° F
ꢁ8° F
ꢁ5° F
ꢁ8° F
ꢁ5° F
ꢁ8° F
PST070H6B*
PST090H6B*
7,066
9,196
7,414
9,644
6,860
8,928
7,198
9,363
6,641
8,643
6,968
9,064
6,442
8,383
6,759
8,792
5,678
7,389
5,957
7,749
PST131H6B* 13,244 13,946 12,859 13,540 12,448 13,107 12,074 12,714 10,643 11,207
PST147H6B* 14,982 15,702 14,545 15,245 14,081 14,758 13,658 14,315 12,039 12,618
Model PST Medium Temperature | Electric Defrost | Cooler Application
80° F Ambient
90° F Ambient
95° F Ambient
100° F Ambient 110° F Ambient
Model
ꢁ5° F Box Temperature
PST066M6B*
PST086M6B*
PST124M6B*
PST141M6B*
7,066
9,196
13,244
14,982
6,860
8,928
12,859
14,545
6,641
8,643
12,448
14,081
6,442
8,383
12,074
13,658
5,678
7,389
10,643
12,039
Model PST Low Temperature | Electric Defrost | Freezer Application
80° F Ambient
90° F Ambient
95° F Ambient
100° F Ambient 110° F Ambient
Model
Box Temperature
0° F -10° F -ꢀ0° F 0° F -10° F -ꢀ0° F 0° F -10° F -ꢀ0° F 0° F -10° F -ꢀ0° F 0° F -10° F -ꢀ0° F
5,584 4,052 2,659 5,031 3,651 2,395 4,746 3,444 2,260 4,366 3,168 2,079 3,726 2,704 1,774
7,683 6,025 4,377 6,922 5,428 3,943 6,530 5,121 3,720 6,008 4,711 3,423 5,126 4,020 2,920
8,873 6,748 4,609 7,994 6,079 4,153 7,541 5,735 3,918 6,938 5,276 3,604 5,920 4,502 3,075
11,769 9,079 6,694 10,602 8,179 6,030 10,002 7,716 5,689 9,202 7,099 5,234 7,852 6,057 4,466
PST034L6B*
PST051L6B*
PST057L6B*
PST077L6B*
Model PST Electrical Data | Specifications
Evaporator Dimensions
Approximate Net Weight
Model
Voltage
MCA
MOPD
CFM
Figure1
lb.
kg
PST070H6B* 208-230/1/60
PST090H6B* 208-230/1/60
PST131H6B* 208-230/1/60
PST147H6B* 208-230/1/60
PST066M6B* 208-230/1/60
PST086M6B* 208-230/1/60
PST124M6B* 208-230/1/60
PST141M6B* 208-230/1/60
PST034L6B* 208-230/1/60
PST051L6B* 208-230/1/60
PST057L6B* 208-230/1/60
PST077L6B* 208-230/1/60
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
20.7
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
35.0
625
625
1,350
1,350
625
A
A
B
B
A
A
B
B
A
A
B
B
260
265
320
325
260
265
320
325
260
265
320
325
118
120
145
148
118
120
145
148
118
120
145
148
625
1,350
1,350
625
625
1,350
1,350
* H for PSC, E for EC motor on evaporator section only.
1 See dimensional diagrams, page 5 and 6.
ꢂ
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Dimensions
Figure A Model PST | Small Cabinet
TOP VIEW
49-1/8"
1248 mm
1-3/4"
44 mm
13-3/8"
340 mm
16-1/4"
413 mm
31-3/4"
27-7/8"
30-1/2"
806 mm
708 mm
775 mm
23"
28"
30"
584 mm
711 mm
762 mm
SIDE VIEW
BACK VIEW
1-5/8"
1-3/4"
49-1/8"
1248 mm
41 mm
44 mm
46-1/4"
1175 mm
1-3/4"
29-5/8"
752 mm
44 mm
35-5/8"
905 mm
34"
864 mm
17-1/4"
438 mm
20-1/4"
514 mm
12-1/4"
311 mm
32-5/8"
905 mm
16-5/8"
422 mm
30"
762 mm
5
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Dimensions
Figure B Model PST | Large Cabinet
TOP VIEW
49-1/8"
1248 mm
1-3/4"
13-3/8"
16-1/4"
45 mm
340 mm
413 mm
36-1/2"
927 mm
37-3/4"
959 mm
33-7/8"
860 mm
29"
36"
914 mm
34"
864 mm
737 mm
SIDE VIEW
BACK VIEW
49-1/8"
1248 mm
46-1/4"
1175 mm
1-3/4"
44 mm
1-5/8"
41 mm
1-3/4"
29-5/8"
752 mm
44 mm
17-1/4"
40-1/8"
1019 mm
38-1/2"
978 mm
20-1/4"
514 mm
438 mm
12-1/4"
311 mm
36"
914 mm
32-5/8"
905 mm
16-5/8"
422 mm
6
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Replacement 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 Larkin
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 brands are built — backed by a dedicated team
to serve every customer need, delivering at the best lead times in the industry.
Commercial Refrigeration Parts
Dependable. Versatile. Courteous.
Finally, one simple source for all your replacement needs from a name you can trust.
Coolers
with electric
defrost
Coolers
Freezers
Part
Number
Part Description
Fan Blades
Evaporator
5140C
1
2
1
2
2
3
2
3
1
2
1
2
2
3
2
3
1
2
1
2
2
3
2
3
Condenser
22901901
Fan Motors
Evaporator, PSC – 208/230 volt
Evaporator, EC – 208/230 volt
Condenser – 208/230 volt
Evaporator fan motor bracket
Condenser fan motor bracket
Contactors
25308601
25317701
25308301
23103301
4000104
1
1
2
1
2
1
1
2
1
2
2
2
3
2
3
2
2
3
2
3
1
1
2
1
2
1
1
2
1
2
2
2
3
2
3
2
2
3
2
3
1
1
2
1
2
1
1
2
1
2
2
2
3
2
3
2
2
3
2
3
20A, 230 volt
34915200
1
1
1
1
1
1
1
1
1
1
1
Temperature Control
Freezer control kit – 208/230 volt
21300701
21300801
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Cooler with electric defrost –
208/230 volt
Cooler control kit – 208/240 volt
Heater limit thermostat
Defrost Heaters
21300901
5708L
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Defrost heaters – 230 volt
Defrost heaters – 230 volt
Outdoor Parts
4312F
4342L
3
3
3
3
3
3
3
3
Fan pressure control
28917301
5521R
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Fan temperature control
Drain line heater
24753401
28917401
Drain line heater thermostat
* H for PSC, E for EC motor on evaporator section only.
ꢃ
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For more information on Larkin refrigeration products, contact your Sales
A Brand of Heatcraft Refrigeration Products LLC
2175 West Park Place Blvd. • Stone Mountain, GA 30087
800.848.9889 • Fax: 770.465.5990
Since product improvement is a continuing effort, we reserve the right to make changes in specifications without notice.
LK-PSMTB-0508
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