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6

NOTICE 

 

Read this manual before installing, cleaning, or performing any maintenance on your cabinet.  Keep the 
manual and refer to it before doing any service on the equipment.  Failure to do so could result in personal 
injury or damage to the cabinet. 

 

 

DANGER

 

Improper or faulty hook-up of electrical components on the refrigeration units can result in 

severe injury or death.  All electrical wiring hook-ups must be done in accordance with all applicable local, 
regional or national standards.

 

 

 

NOTICE

 

Installation and service of the refrigeration and electrical components of the cabinet must 

be performed by a refrigeration mechanic and/or a licensed electrician. 

 
 
The portions of this manual covering refrigeration and electrical components contain technical instructions intended 
only for persons qualified to perform refrigeration and electrical work.  This manual cannot cover every installation, use 
or service situation. If you need additional information, call or write us: 
 
 
Customer Service Department 

Master-Bilt Products 

Highway 15 North 
New Albany, MS  38652 
Phone (800) 684-8988 
Fax (866) 882-7629 
 

 
 
GENERAL INSTRUCTIONS 

 
1.  Be sure the ice merchandiser is properly installed by competent service people. 
 
2.  Keep the ice merchandiser clean and sanitary so it will meet your local sanitation codes. Clean the unit with a mild 
detergent and water, then rinse. 
 
3.  Rotate your stock so that older stock does not accumulate.   
 
4.  Do not place product in the ice merchandiser when it is soft or partially thawed. Also, product should not be put in 
the ice merchandiser for at least 6 hours after it is started. 
 
5.  Stock ice merchandiser as quickly as possible, exposing only small quantities to condition temperatures for short 
periods of time. 

 

 

 

 

   

 

 
NOTICE TO STORE OWNERS / MANAGERS 

 

Moisture or liquid around or under the cabinet is a potential slip/fall hazard for persons walking by or working 
in the general area of the cabinet.  Any cabinet malfunction or housekeeping problem that creates a slip/fall 
hazard around or under the cabinet should be corrected immediately.

 

 
If moisture or liquid is observed around or under a 

Master-Bilt

 Ice Merchandiser, an immediate investigation should be 

made by qualified personnel to determine the source of the moisture or liquid.  The investigation should determine if the 
ice merchandiser is malfunctioning or if there is a drainpipe leaking. 

 

 

Summary of Contents for IM-23-HGP

Page 1: ...Installation Operations Manual LAE AT2 5 Controller Master Bilt Products 908 Highway 15 North New Albany MS 38652 Phone 800 684 8988 ...

Page 2: ...2 ...

Page 3: ...3 ...

Page 4: ...999999999999999999 7 OPERATION 7 MANUAL DEFROSTS 7 HOW TO CHANGE SETPOINTS 8 LIST OF PARAMETERS 8 ELECTRICAL CONNECTIONS 8 PROBE CONNECTIONS 8 SERVICE INSTRUCTIONS 9 TROUBLE SHOOTING 10 CHECK LIST 10 CABINET CLEANING PROCEDURES 11 ICE MERCHANDISER MONTHLY CHECKLIST 11 PARTS LIST 12 SALE AND DISPOSAL9999999999999999999999 9 99999999999999999 13 WIRING DIAGRAM9999999999999999999999999999999999999999...

Page 5: ...is the safety alert symbol When you see this symbol on your ice merchandiser or in this manual be alert to the potential for personal injury or damage to your equipment Be sure you understand all safety messages and always follow recommended precautions and safe operating practices NOTICE TO EMPLOYERS You must make sure that everyone who installs uses or services your cabinet is thoroughly familia...

Page 6: ...88 Fax 866 882 7629 GENERAL INSTRUCTIONS 1 Be sure the ice merchandiser is properly installed by competent service people 2 Keep the ice merchandiser clean and sanitary so it will meet your local sanitation codes Clean the unit with a mild detergent and water then rinse 3 Rotate your stock so that older stock does not accumulate 4 Do not place product in the ice merchandiser when it is soft or par...

Page 7: ...or door frames make sure all power to case is off Always use a qualified technician Check voltage and amps drawn on Page 12 13 to determine proper line and fuse or circuit breaker size Check power supply for low voltage If voltage reads 115 with no load and it drops below 100 when the compressor tries to start it is an indication of too small supply wiring or too long to run It is recommended that...

Page 8: ...rost and the 2 minute drip time has passed There is 2 minutes delay after a defrost before the fan comes on If the Evaporator temperature is 35 o F or below the controller will override the fan delay FAN LED indicator is on while FAN relay is energized Defrost The control uses time defrost with 4 defrost per day The defrost scheme can be re set the for special applications During defrost the displ...

Page 9: ... CONNECTIONS The controller is provided with a screw terminal block to connect cables with a cross section up to 2 5 mm 2 Before connecting cables make sure the power supply complies with the control s requirements Separate the probe cables from the power supply cables the outputs and the power connections Do not exceed the maximum current allowed on each relay in case of heavier loads use a suita...

Page 10: ...l blocked with frost see 4 B Refrigerant undercharged C Control set too warm 4 Ice merchandiser not cycling coil blocked with frost A Defective temperature controller or improper settings B Refrigerant overcharged C Location too hot D Condenser clogged E Condenser fan motor defective F For freezer defrost heater not operating G Air leakage into ice merchandiser due to open door or faulty door seal...

Page 11: ...or error codes Repair or adjust the control Checked expansion valve for Freezers Improper controls adjusted Clean or replace What is Evaporator Superheat Evaporator Superheat too high Adjust expansion valve to lower Superheat setting Where is condensing Unit located Location too warm Ventilate area or change to cooler Air leaks or doors location Is Box well sealed from air penetrations Wall panels...

Page 12: ... to access the condenser coil and compressor housing Care should again be taken not to unnessarily soak fan motors electrical connections time clock ballasts or any wire raceway Check the condenser coil to insure that it is not clogged with dirt dust or lint A dirty or clogged condenser coil will result in diminished performance of the cabinet The condenser should be brushed with a plastic bristle...

Page 13: ...d 25 01377 Wall Gard 25 01380 drain flanges with adapter 11 01895 drain line heater wire 17 00404 heater clip 17 09431 drier 09 09864 grill assembly white WS black BS 486 280 WS cap tube 11 01450 heater safety 19 01164 vinyl tube 11 00876 coil defrost heater 17 09568 electronic controller 19 14243 cabinet sensor T1 19 14244 evaporator sensors T2 19 14245 glass door LH 31 03331 leg leveler 27 00592...

Page 14: ...nstallation Service Manual are included with it If you need replacement labels or manuals Master Bilt will provide them free Contact the customer service department at Master Bilt at 800 647 1284 The customer service department at Master Bilt should be contacted at the time of sale or disposal of your cabinet so records may be kept of its new location ...

Page 15: ...15 DESCRIPTION DATE MODEL S DRAWN BY IM 23GB IM 23HGP BGH 4 29 14 LAE ...

Page 16: ...16 ...

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