Heatcraft Refrigeration Products 25001501 User Manual
Refrigeration
System Installation
H-IM-81A October 2004 Part No. 25001801
Replaces H-IM-81 (1/04)
Refrigeration System
For Indoor Applications
Table of Contents
1. Ownerʼs Installation Instructions
Performance/Electrical Data
Specifications ............................................................
Dimensional Diagrams ..............................................3
Space and Location Requirements
Recommended Unit Placement ................................. 4
Rigging
Mounting .................................................................... 5
2
Installation and
Operation Guide
Inspection
General Safety Information
Standard Installation Procedure ................................6
2. Freezers
Service Information
Maintenance
Sequence of Operation
Freezer System Pre-Setpoints
Electric Defrost Sequence of Operation
Programming Electric Defrost Controls ................7-10
Freezer Defrost Control
Medium and Large Cabinet .......................................7
Freezer Defrost Control
Small Cabinet ..........................................................10
3. Coolers
Defrost Controls
Sequence of Operation
Maintenance ............................................................ 11
4. Service Information
System Troubleshooting Chart ................................ 12
Replacement Parts .................................................. 13
5. Wiring Information
Electrical Wiring Diagrams .................................14-19
6. Warranty Information
......................................20
Performance / Electrical Data
Table 1. COOLERS — Air Defrost Systems
1. Ownerʼs Operating Instructions
BTUH @ 95° F. Matching
Model 35° F. 38° F. Unit Evap Plug NEMA
Number Box Temp Box Temp Voltage MCA MOPD Amps CFM Supplied Receptacle Fig.
PTN024H2A 2,540 2,650 115/1/60 10.2 15 10.2 340 Yes 5-20R A
PTN029H2A 3,070 3,180 115/1/60 10.6 15 10.6 340 Yes 5-20R A
PTN040H2A 4,240 4,350 115/1/60 11.7 15 11.7 340 Yes 5-20R A
PTN047H2A 4,980 5,300 115/1/60 16.9 20 14.2 350 Yes 5-20R B
PTN047H2B 4,980 5,300 208-230/1/60 8.6 15 7.3 350 Yes 6-15R B
PTN063H2B 6,680 7,100 208-230/1/60 9.8 15 9.9 550 Yes 6-15R B
PTN072H2B 7,630 8,060 208-230/1/60 10.9 15 9.3 500 Yes 6-15R B
PTN099H2B 10,490 11,340 208-230/1/60 17.1 20 14.7 875 Yes 6-20R C
PTN099H2C 10,490 11,340 208-230/3/60 14.7 20 13.3 875 No —- C
PTN128H2B 13,570 14,520 208-230/1/60 20.1 30 17.2 825 No —- C
PTN128H2C 13,570 14,520 208-230/3/60 14.1 20 12.8 825 No —- C
Table 2. FREEZERS — Electric Defrost Systems
BTUH @ 95° F. Matching
Model 0° F. -10° F. -20° F. Unit Evap Plug NEMA
Number Box Temp Box Temp Box Temp Voltage MCA MOPD Amps CFM Supplied Receptacle Fig.
PTN019L6A 2,470 1,850 N/A 115/1/60 13 20 13 340 Yes 5-20R A
PTN021L6A 2,680 2,160 1,340 115/1/60 14.5 20 12.3 350 Yes 5-20R B
PTN021L6B 2,680 2,160 1,340 208-230/1/60 7.6 15 6.5 350 Yes 6-15R B
PTN031L6B 4,220 3,190 2,060 208-230/1/60 13.8 15 11.6 550 Yes 6-15R B
PTN044L6B 5,870 4,530 3,400 208-230/1/60 15.9 20 13.3 520 Yes 6-20R B
PTN052L6B 7,000 5,360 3,910 208-230/1/60 18.1 20 15.5 900 Yes 6-20R C
PTN052L6C 7,000 5,360 3,910 208-230/3/60 15.0 15 11.3 900 No —- C
PTN069L6B 9,060 7,100 5,250 208-230/1/60 23.8 30 20.0 875 No —- C
PTN069L6C 9,060 7,100 5,250 208-230/3/60 15.9 20 14.2 875 No —- C
Table 3. Specifications
Refrigerant Total Heat of Approx. Net Weight
Model Refrigerant Chg. (oz.) Rejection (BTUH) Lbs.
COOLERS
Kg
PTN024H2A 22 12 3,000 88 43
PTN029H2A 22 16 3,800 90 43
PTN040H2A 22 14 5,500 92 43
PTN047H2A 22 27 6,700 192 100
PTN047H2B 22 27 6,700 192 100
PTN063H2B 22 29 8,700 207 100
PTN072H2B 22 32 9,700 211 100
PTN099H2B 22 47 16,800 270 127
PTN099H2C 22 47 16,800 265 127
PTN128H2B 22 52 18,000 290 127
PTN128H2C 22 52 18,000 285 127
FREEZERS
PTN019L6A 404A 14 4,000 101 43
PTN021L6A 404A 26 4,300 213 100
PTN021L6B 404A 26 4,300 213 100
PTN031L6B 404A 28 6,300 221 100
PTN044L6B 404A 29 9,900 225 100
PTN052L6B 404A 45 10,900 275 127
PTN052L6C 404A 45 10,900 270 127
PTN069L6B 404A 47 15,300 280 127
PTN069L6C 404A 47 15,300 275 127
2
© 2004, Heatcraft Refrigeration Products LLC
Dimensional Diagrams
Figure A. Small Cabinet Dimensions
(Models PTN 019, 024, 029, 040).
14 1/2” x 20 3/4” panel opening required for evaporator section of small cabinet sizes.
Figure B. Medium Cabinet Dimensions
(Models PTN 021, 031, 044, 047, 063, 072).
1. Ownerʼs Operating Instructions
25” x 25” panel opening required for evaporator section of medium cabinet sizes.
Figure C. Large Cabinet Dimensions
(Models PTN 052, 069, 099, 128).
25” x 38 1/2” panel opening required for evaporator section of large cabinet sizes.
3
Space and Location Requirements
For PTN models.
The most important consideration which must be taken into account
1. Ownerʼs Operating Instructions
when deciding upon the location of air-cooled equipment is the
provision for a supply of ambient air to the condensing unit. Ignoring
this essential requirement will result in higher condensing pressure
and contribute to poor operation or potential equipment failure.
Units must not be located in the vicinity of steam, hot air or fume
exhausts. Adequate air circulation through the condensing unit is
critical to ensure proper equipment operation. Improper installation
can damage the unit and will void the warranty.
style packaged units are designed for indoor use only in ambient
temperatures of 50°F to 100°F. The unit cabinet is not approved
for weather tight applications.
Another important consideration is that the unit should be mounted
away from noise sensitive spaces and must have adequate support
to avoid vibration and noise transmission into the building. Storage
should not be allowed on top of walk-in structure. Unit must not be
enclosed in an unventilated space.
Figure 1. System Space and Location
Requirements for PTN models
Side View
Minimum 2" clearance from
opening to adjacent wall. No
storage is allowable on top of
walk-in structure.
IMPORTANT: Ventilation
air must be provided for the
condensing unit.
Structure must not be masked
to building ceiling, blocking air
flow to unit.
penthouse-
Allow 2 feet
clearance
above unit to
remove top
panel and to
allow service
access.
Mounting rails
may be used to
attach unit to
ceiling.Throughbolts should
be insulated or
non-conductive
to prevent
sweating.
Recommended Unit Placement
Some general rules for the evaporator section placement which
must be followed are:
1. Ensure that the structural integrity of the box can
withstand the weight of the top mounted equipment.
2. The air pattern must cover the entire room.
3.
NEVER locate the evaporator section over doors.
4. Location of aisles, racks, etc. must be known.
5. Never remove or unlock any panel cam-locks to
install top mounted equipment.
The size and shape of the storage will generally determine the
type and number of units to be used and their location.
Top View
One System
Evaporator
Section
Compressor
Section
Evaporator
Airflow
W
Min.
Evaporator
Section
Compressor
Section
2 x Width
Min.
Evaporator
Section
Compressor
Section
W
Min.
Multiple units must be spaced
properly to provide adequate
air circulation.
Top View
Two Systems
Evaporator
Airflow
Evaporator
Airflow
PTN Models
NOTE: Always avoid
W = Unit Width
placement of units
directly above
doors and door
openings.
4
Rigging
Trim Pieces (4)
Overlap as Shown
Evaporator Grill
Self Drilling Scre
w
Ceiling of Walk-in.
Mounting
Rigging holes are provided on all models. Caution should
be exercised when moving these units. To prevent
damage to the unit housing during rigging, cables or
chains used must be held apart by spacer bars. The
mounting platform or base should be level and located
so as to permit free access of supply air.
Access Requirements
Provide adequate space at the compressor end of the
unit for servicing. Provide two (2) feet of space above unit
for service.
Trim Ring Installation Detail
The system requires an opening in the ceiling to the
dimensions stated on page 3. Mounting rails are located
at both ends of the chassis. Mounting rails may be used
to attach unit to ceiling. Through-bolts should be insulated or non-conductive to prevent sweating. The chassis
is weather stripped around the air grille and will seal to
the box roof. The trim ring (shipped loose), when provided, should be installed around the air diffuser when
secured with the hardware provided. Be sure to adhere
to your local standard construction codes.
1. Ownerʼs Operating Instructions
5
Inspection
1. Each shipment should be carefully checked against the bill
1. Ownerʼs Operating Instructions
of lading.
Standard Installation Procedure
PTN Models
For Indoor Use Only
2. The shipping receipt should not be signed until all items
listed on the bill of lading have been accounted for.
3. Check packaging for signs of damage.
4. Any shortage or damages should be immediately reported
to the delivering carrier.
5. Damaged material becomes the delivering carrierʼs
responsibility, and should not be returned to the
manufacturer unless prior approval is given to do so.
6. When unpacking the system, care should be taken to
prevent damage.
7. Avoid removing the shipping base until the unit has been
moved to the final destination.
8. Complete warranty return card for each unit and mail to
Heatcraft Refrigeration Products.
General Safety Information
1. Installation and maintenance to be performed only by
a licensed contractor.
2. Ensure that the structural integrity of the box can withstand
the weight of the (See page 2, Table 3 for unit
weights).
3. Avoid contact with sharp edges and coil surfaces. They are
a potential injury hazard. Wear gloves during moving and
rigging.
4. Make sure all power sources are disconnected before any
service work is done on units.
1. Inspect packaging for shipping damage.
Open package and inspect unit for concealed damage.
2. Review the space and location requirements on page 5.
3. Provide a finished opening in the box ceiling, to the
appropriate dimensions and structural strength as stated on
page 2, Table 3.
4. DO NOT remove or disengage any box cam-locks in order
to install the
5. Clean the roof of the box to provide a good sealing
surface for the unit weatherstrip. Refer to box
manufacturerʼs instructions for any procedures or processes
necessary to ensure the integrity of the exposed foam in the
panels is not compromised.
6. Check the mounting surface with a level. units require
a surface that is within 1° of level or better and no more
than a 5/8" drop per 3 feet (17mm drop per meter).
7. For walk-in boxes with aluminum top panels, it is
recommended that a thermal break be placed on the roof
adjacent to the opening to prevent the possibility of
sweating.
8. Place the unit gently into the provided opening with the
evaporator air flow directed toward the door (See page 5).
Be careful not to damage the grill during installation.
9. Ensure that the condenser air flow is not obstructed.
10. Install the trim around the inside opening with the hardware
provided.
11. Connect unit to power supply using the cord with plug, if
provided, or hard wire. Adhere to local electrical/wiring
codes.
unit.
IMPORTANT:
• Do not use extension cords to connect unit to power.
Plug-in to grounded three prong outlet.
•
• Do not remove grounding prong.
• Do not use a power adapter.
12. Apply power to unit.
default settings (See Table 4).
13. Check unit for proper operation.
14. The correct time of day may be programmed on medium
and large cabinet freezer systems
(See page 11 for instructions).
Table 4. Control Factory Default Settings
Defrost Defrost Defrost
PTN Temperature Start Duration Drip Fan Termination
Models Set Points Times (Maximum) Time Delay Set Point
Cooler Models
All cabinet sizes 35°F 3 / day n/a --- --- 38°F
Freezer Models
Med. & Lg. cabinet -10°F 4:00 AM, 10:00 AM, 40 min. 2 min. 2 min. 65°F
4:00 PM, 10:00 PM
Small cabinet 0°F 4 / day 20 min. --- --- Time only
All controls are preset to factory
6
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