Dimensional Diagrams Medium Figure A. Cabinet Dimensions without weather hood Models PTT 021, 031, 044, 047, 063, 072 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 Models PTT 052, 069, 099, 128 25" x 38 " panel opening required for evaporator section of large cabinet sizes. * 23.5" with weather hood. Medium Figure C.
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.
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 Temperature Models Set Points Cooler Models 35˚F...
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.
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.
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...
MAIN FUNCTIONS HOW TO SEE THE SETPOINT 1. Push and immediately release the SET key: the display will show the Set point value. HOW TO CHANGE THE SETPOINT 1. Push the SET key for more than 2 seconds to change the Set point value; 2. The value of the set point will be displayed and the LED starts blinking;...
DISPLAY °C=Celsius; °F=Fahrenheit. WARNING: When the measurement unit is changed the SET Temperature point and the values of the parameters Hy, measurement unit LS, US, Ot, ALU and ALL have to be checked and modified if necessary DEFROST Defrost type EL = electrical heater;...
All Cooler Models Cooler Defrost Control Cooler units utilize an electronic temperature control. The temperature may be adjusted by setting the dial. This control is preset to provide 3 hours of compressor run time between defrost cycles. Defrosts are temperature terminated and cannot be reprogrammed. The temperature control is programmed for minimum on cycle of one minute and minimum off cycle of four minutes.
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.
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Medium and Large Cabinet Models Wiring. 208-230/1/60 voltages. Cooler - Air Defrost Systems - Single Phase Diagram 1. Wiring Diagram for System, Air Defrost 208-230/1/60 (B): Models PTT047H2B, PTT063H2B, PTT072H2B, PTT099H2B, and PTT128H2B.
Medium and Large Cabinet Models Wiring. 208-230/1/60 voltages Indoor and Outdoor Models with Dixell XR-60C Controller Freezer - Electric Defrost Systems - Single Phase Diagram 2. Wiring Diagram for System, Electric Defrost 208-230/1/60 (B): Models PTT021L6B, PTT031L6B, PTT044L6B, PTT052L6B, and PTT069L6B.
Medium and Large Cabinet Models Wiring. 208-230/1/60 voltages Indoor and Outdoor Models with Paragon Controller Diagram 3. Wiring Diagram for System, Electric Defrost 208-230/1/60 (B): Models PTT021L6B, PTT031L6B, PTT044L6B, PTT052L6B and PTT069L6B.
Large Cabinet Models Wiring. 208-230/3/60 voltage Indoor and Outdoor Models with Dixell XR-60C Controller Freezer - Electric Defrost Systems - Three Phase Diagram 5. Wiring Diagram for System, Electric Defrost 208-230/3/60 (C): Models PTT052L6C and PTT069L6C only.
Large Cabinet Models Wiring. 208-230/3/60 voltage Indoor and Outdoor Models with Paragon Controller Freezer - Electric Defrost Systems - Three Phase Diagram 6. Wiring Diagram for System, Electric Defrost 208-230/3/60 (C): Models PTT052L6C and PTT069L6C only.
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...