2022
OPERATION/MAINTENANCE MANUAL
CUSTOM FABRICATORS OF FOODSERVICE EQUIPMENT
1947 Bill Casey Parkway
● Jonesboro
, GA 30236
Tel: 1 (888) 584-2722
● Fax
: 1 (770)-471-3715
www.lowtempind.com
DI-FT
FT SERIES
FROST TOP SYSTEM
Page 1: ...OPERATION MAINTENANCE MANUAL CUSTOM FABRICATORS OF FOODSERVICE EQUIPMENT 1947 Bill Casey Parkway Jonesboro GA 30236 Tel 1 888 584 2722 Fax 1 770 471 3715 www lowtempind com DI FT FT SERIES FROST TOP S...
Page 2: ...SPECTION 3 SAFETY PRECAUTIONS 3 INSTALLATION INSTRUCTIONS 5 OPERATING INSTRUCTIONS 6 START UP 6 OPERATION 7 CLEANING INSTRUCTIONS 10 PREVENTATIVE MAINTENANCE 11 TROUBLESHOOTING 12 REPLACEMENT PARTS 13...
Page 3: ...and operating Below are the precautions that are explained in more detail Please read carefully DANGER Danger warns of imminent hazard which will result in serious injury or death WARNING Warning indi...
Page 4: ...must be mounted on a vertical surface wall and installed in the vertical position Mounting control panel in the horizontal position may result in collection of liquids and lead to electrical shock Tu...
Page 5: ...requirements When installed adequate air flow must be provided to ensure proper operation Thru air flow is required but if not exhaust fans should be used to ensure adequate heat exhaust Connect the...
Page 6: ...e controls Energize the unit by attaching the plug to an appropriate electrical supply 115 vac 60 hz single phase 12 amp and turning on the service switch located in the compressor compartment Prep th...
Page 7: ...ressure control physically located in the front of the compressor compartment is used to cycle off the compressor The low pressure control should not be adjusted from the factory settings Adjustment o...
Page 8: ...value DOWN To see the dLt temperature in programming mode it browses the parameter codes or decrease the displayed value SERVICE To enter the service menu ALARM MENU To enter the Alarm menu How to Mod...
Page 9: ...ONTACT ACTION CONTROL LOW PRESS SIDE OPEN ON LOW CLOSE ON HIGH SAFETY HIGH PRESS SIDE CLOSE ON HIGH OPEN ON LOW LOW PRESSURE SIDE CUT IN SETTING RANGE 10 MERCURY VAC TO 100 PSI DIFFERENTIAL 10 TO 40 P...
Page 10: ...that contain alkaline alkaline chlorinated or non chloride chemicals CONDENSER COIL WARNING Always disconnect power before inspecting or cleaning condenser coil Never use high pressure water to clean...
Page 11: ...as adequate air flow to prevent overheating Thru air flow is required but if not exhaust fans should be used to ensure adequate heat exhaust Properly shrouding condenser inlet air flow is recommended...
Page 12: ...ACE PROTECTOR THERMOSTAT DIFFERENTIAL SET TO CLSE WIDEN HIGH PRESSURE CUT OUT DUE TO INSUFFICIENT AIR OVERCHARGE OR AIR IN SYSTEM REDUCE REFRIGERANT CHARGE PURGE CHECK AIR SUPPLY TO CONDENSER REDUCE R...
Page 13: ...57E 679 J7 TECUMSEH 4 PRESSURE CONTROL 280610 012 4834 000 RANCO 5 DIGITAL PRESSURE CONTROL 311938 TECUMSEH P N 900 11968 DIXELL 6 FILTER DRIER 282310 C 052 S T HH SPORLAN 7 SIGHT GLASS 282400 SA 12S...
Page 14: ...14 DIAGRAMS DI FT WIRING DIAGRAM WIRING DIAGRAM FOR DI FT REFRIGERATION UNIT WITH MECHANICAL PRESSURE CONTROL NOTE ALL COMPONENTS TO BE GROUNDED...
Page 15: ...15 DI FT WIRING DIAGRAM DIGITAL PRESSURE CONTROL WIRING DIAGRAM FOR DI FT REFRIGERATION UNIT WITH DIGITAL PRESSURE CONTROL NOTE ALL COMPONENTS TO BE GROUNDED NOTE ALL COMPONENTS TO BE GROUNDED...
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Page 17: ...17 BLACK WHITE...
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Page 19: ...ranty includes travel time to portal not to exceed 100 miles round trip or two hours total travel time The warranty requires that all labor must be performed during regular work hours Overtime premium...
