Table of Contents
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Installation and
Operations Manual
H-IM-82C
September 2010
Part No. 25001901
PRO
Top Mount
3
Packaged Refrigeration System
For Outdoor Applications
Table of Contents
1. Owner's Installation Instructions
Specifications ....................................................................................2
Dimensional Diagrams ..................................................................3
Space and Location Requirements
Recommended Unit Placement .................................................4
Control Factory Default Settings ...............................................5
Standard Installation Procedure ................................................6
Outdoor Unit Installation Instructions.....................................7
2. Freezers
Service Information
Sequence of Operation
Freezer System Pre-Setpoints
Programming Electric Defrost Controls ..................................8
3. Controllers
Carel Electronic Controller .................................................... 9-19
System Troubleshooting Chart ................................................ 20
Replacement Parts ....................................................................... 21
5. Wiring Information
Electrical Wiring Diagrams ..................................................22-24
6. Warranty Information ....................................................... 25
© 2010 Heatcraft Refrigeration Products, LLC
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Table of Contents
Troubleshooting
Related Manuals for Heatcraft Refrigeration Products PRO TOP MOUNT H-IM-82C
Summary of Contents for Heatcraft Refrigeration Products PRO TOP MOUNT H-IM-82C
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Page 1: Table Of Contents
Electric Defrost Sequence of Operation Programming Electric Defrost Controls ...8 3. Controllers Carel Electronic Controller ... 9-19 4. Service Information System Troubleshooting Chart ... 20 Replacement Parts ... 21 5. Wiring Information Electrical Wiring Diagrams ...22-24 6. Warranty Information ... 25 © 2010 Heatcraft Refrigeration Products, LLC... -
Page 2: Performance/Electrical Data Specifications
Total Net Charge Heat of Weight R-404A Rejection lbs. BTUH 6,700 8,700 9,700 16,800 16,800 18,000 18,000 Approx. Refrig. Total Net Charge Heat of Weight R-404A Rejection Fig. lbs. BTUH 4,300 9,900 10,900 10,900 15,300 15,300 © 2010 Heatcraft Refrigeration Products, LLC... -
Page 3: Dimensional Diagrams
Top Mount Packaged Refrigeration System | Outdoor Dimensional Diagrams Medium Figure A. Cabinet Dimensions without weather hood (See reference on Page 2) 25" x 25" panel opening required for evaporator section of medium cabinet sizes. * 21.5" with weather hood. Large Figure B. Cabinet without weather hood (See reference on Page 2) (See reference on Page 2) 25" x 38 " panel opening required for evaporator section of large cabinet sizes. * 23.5" with weather hood. Medium Figure C. -
Page 4: Recommended Unit Placement
Recommended Unit Placement For PTT Models Some general rules for the evaporator section placement which must be followed are: Ensure that the structural integrity of the box can withstand the weight of the top mounted equipment. The air pattern must cover the entire room. NEVER locate the evaporator section over doors. Location of aisles, racks, etc. -
Page 5: Rigging
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. TABLE 4 Control Factory Default Settings PTT Temperature Models... -
Page 6: Standard Installation Procedure
The Outdoor comes standard with the following additional components: • Crankcase Heater • Drain Line Heater • Weather Hood • Fan Cycling (Pressure on 1 fan models, Pressure and Ambient on 2 fan models). Standard Installation Procedure PTT Models For outdoor use 1. Provide a 25" X 25" (medium cabinet) or 25" X 38.5" (large cabinet) opening in the roof of walk-in cooler or as specified by the panel manufacturer. -
Page 7: Outdoor Unit Installation Instructions
Top Mount Packaged Refrigeration System | Outdoor Example Outdoor Curb Installation This area of curb may be solid. Figure 1. Curb placed on roof of walk-in cooler. Figure 3. PTT unit placed on roof of walk-in color. (see rigging instructions). PTT Models (Curb supplied by others) Figure 2. Roof membrane placed over curb. Note: Do not caulk around the base of com- pressor compartment. -
Page 8: Maintenance
Medium and Large Cabinet Freezers Service Information units are designed for maximum durability, reliability and simplicity. comes to you ready for operation, fully charged and with all controls preset at the factory. The following information is provided as an aid in the event that service is required. Maintenance The evaporator section of a system should be checked at... -
Page 9: Carel Electronic Controller
Top Mount Packaged Refrigeration System | Outdoor Refrigeration/Defrost Sequence of Operation The sequence of operation varies depending on the model that has been installed. The three basic models are Low Temperature, Medium Temperature, and High Temperature models. The particular model can be determined by the seventh digit of the model number. See Tables 1-3 for details and settings. - Page 10 TABLE 6 Model PTT | Medium Temperature Models | EZY SETTING =2 SET POINT IS 34° F These models are intended for cooler applications and have electric defrost. These models are intended for coolers that may be operated at a lower saturated suction temperature and require electric defrost to clear the coil. Status Display alternates “OFF”...
- Page 11 Top Mount Packaged Refrigeration System | Outdoor Programming the PJEZC Carel Electronic Controller Reprinted with permission from Carel. The Carel PJEZC control is a fully configurable electronic refrigeration controller. refrigeration system uses the Carel controller on all three temperature designated models. The models differ by a pre-programmed parameter list that is specific for each application.
- Page 12 Electrical Connections WARNINGS: The electrical connections must only be completed by a qualified electrician; A power supply other than the type specified may seriously damage the system; Separate as much as possible the probes and digital input signal cables from the cables carrying inductive loads and power cables to avoid possible electromagnetic disturbance.
- Page 13 Top Mount Packaged Refrigeration System | Outdoor Keypads NORMAL OPERATION pressing pressing BUT. NO. the button with other alone buttons pressed together with 3 more than activates/ 3 s: switch deactivates ON/OFF continuous cycle - 1 s: displays/ sets the set point - more than 3 s: accesses for 1 s parameter RESET –...
- Page 14 WARNING: When first connected, easy is already on and ready to be used. The instrument can be switched on from a supervisor PC and via an external contact (setting A4= 5). The latter has priority over the other modes. SET POINT SETTING (DESIRED TEMPERATURE VALUE) The easy and easy compact devices control the desired temperature (set point) inside the cabinet or cold room directly and dynamically.
- Page 15 Top Mount Packaged Refrigeration System | Outdoor Rapid Parameter Set Selction (EZY) The easy controller features the EZY parameter which is used to quickly choose a list of parameters, with corresponding values, for the control of the refrigeration system. Table of Alarms and Signals When an alarm is activiated, the display shows the corresponding message that flashes alternating with the temperature;...
- Page 16 Description of the Main Signals and Alarms LED flashing The activation of the corresponding function is delayed by a timer, awaiting an external signal or disabled by another procedure that is already in progress. e.g. if is a continuous cycle in progress and a defrost is called, the latter will remain pending until the end of the continuous cycle, and the corresponding LED (defrost) will flash.
- Page 17 Top Mount Packaged Refrigeration System | Outdoor Modifying the Parameters PARAMETER NAVIGATION The operating parameters, modifiable using the keypad, are divided into two types: frequent (type F) and configuration (type C). Access to the latter is protected by password (default= 22) to prevent accidental or unauthorized modifications. Accessing the type F parameters: • press the SET button for more than 3 s (if there are active alarms, mute the buzzer), the display shows the parameter code ‘PS’...
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Page 18: Troubleshooting
Troubleshooting The following table shows a number of situations that may occur on the various models. The most frequent causes and corresponding checks are described: Problem the compressor does not start (signalled by the compressor LED flashing) the temperature is over the set limits but there is no alarm message and the buzzer, if fitted, does not sound alarm IA is signalled (multifunction input) - Page 19 Top Mount Packaged Refrigeration System | Outdoor Device Setup Set 1 - Low Temperature Models - L6 w/ -10° F Set Point Set o Set 1 Set 2 Set 3 Set 4 Parameter Set point Minimum set point value Maximum set point value Minimum compressor off time Type of Defrost Interval between defrost End defrost temperature set point Maximum defrost duration ALARM_ED Defrost on power-up Dripping time Enable evaporator fan control...
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Page 20: System Troubleshooting Chart
Table 5. System Troubleshooting Chart PROBLEM POSSIBLE CAUSES Compressor 1. Main switch open. will not run 2. Fuse blown. 3. Thermal overloads tripped. 4. Defective contactor or coil. 5. System shut down by safety devices. 6. No cooling required. 7. Motor electrical trouble. 8. Loose wiring. Compressor 1. -
Page 21: Replacement Parts
Heatcraft Refrigeration Products equipment. At InterLink, we provide our wholesalers with a comprehensive selection of product solutions and innovative technologies for the installed customer base. -
Page 22: Electrical Wiring Diagrams
Freezer - Electric Defrost Systems - Single Phase Diagram 1. Wiring Diagram for BLUE YELLOW ORANGE YELLOW BLACK Installation and Operations Manual System, Typical Low Temp YELLOW... - Page 23 Top Mount Packaged Refrigeration System | Outdoor Cooler - Electric Defrost Systems - Single Phase Diagram 2. Wiring Diagram for System, Typical Medium Temp BLUE YELLOW ORANGE YELLOW BLACK YELLOW...
- Page 24 Cooler - Air Defrost Systems - Single Phase Diagram 3. Wiring Diagram for BLUE YELLOW ORANGE YELLOW BLACK Installation and Operations Manual System, Typical High Temp YELLOW...
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Page 25: Warranty Information
LLC's factory will, at Heatcraft Refrigeration Products LLC's option, be repaired or replaced and returned to Buyer via lowest common carrier, or Heatcraft Refrigeration Products LLC may at its option grant Buyer a credit for the purchase price of the defective article. Upon... - Page 26 The name behind the brands you trust. Heatcraft Refrigeration Products, LLC 2175 West Park Place Blvd., Stone Mountain, GA 30087 P: (800) 321-1881 • www.heatcraftrpd.com Since product improvement is a continuing effort, we reserve the right to make changes in specifications without notice. H-IM-82C-0910 | Version 000...
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