LTI DI-FT Series Operation & Maintenance Manual Download Page 4

WARNING 

ELECTRIC SHOCK HAZARD 

 

Unit must be installed by a qualified 
electrician. Installation must 
conform to all local electrical codes. 
In the absence of local codes, use 
the latest version of the National 
Electrical Code. 

 

 

Unit should be safely and 
adequately grounded in accordance 
to local codes, or in the absence of 
local codes, the most up to date 
version of the National Electrical 
Code ANSI/NFPA70, to protect the 
user from electrical shock. 

 

 

The unit requires a grounded system 
and a dedicated circuit. 

 

 

The unit must be serviced by 
qualified personnel only. Service by 
unqualified personnel may lead to 
electric shock or burn. 

 

 

Control panel 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. 

 

 

Turn OFF power, unplug power 
cord/turn off power at circuit 
breaker, and allow unit to cool if 
needed to before performing any 
cleaning, adjustments, or 
maintenance. 

 

 

Do not use flammable cleaning 
solutions to clean this unit. 

 
 

NOTICE: 

 

Units are voltage specific. Refer to 
specifications label for electrical 
requirements before installation. 

 

 

Use non-abrasive cleaners and 
cloths only. Abrasive cleaners and 
cloths could scratch finish of unit, 
marring its appearance and making 
it susceptible to soil accumulation. 

 

 

Do not use steel wool for cleaning. 

 

 

Do not use harsh chemicals such as 
bleach, cleaners containing bleach, 
or oven cleaners to clean this unit.

Summary of Contents for DI-FT Series

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...

Page 16: ...16...

Page 17: ...17 BLACK WHITE...

Page 18: ...18...

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...

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