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6/17 Rev. E 57-02410 

5

CAUTION!

GROUND REQUIRED

FOR SAFE OPERATION

WARNING LABELS AND SAFETY INSTRUCTIONS 

 

 
This symbol is the safety-alert symbol.  When you see this symbol on your cabinet 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 familiar with all 
safety information and procedures. 

 
Important safety information is presented in this section and throughout the manual.  The following signal words are 
used in the warnings and safety messages: 
 

DANGER:

    Severe injury or death will occur if you ignore the message. 

           

WARNING:

  Severe injury or death can occur if you ignore the message. 

 

CAUTION:

   Minor injury or damage to your cabinet can occur if you ignore the message. 

 

NOTICE:

      This is important installation, operation or service information.  If you ignore the           

        

message, you may damage your cabinet. 
 

The warning and safety labels shown throughout this manual are placed on your Master-Bilt Products 
cabinet at the factory.  Follow all warning label instructions.  If any warning or safety labels become lost or 
damaged, call your customer service department at (800) 684-8988 for replacements. 
 

 

 

 
 
 
 
 
 
 
 
 

This label is located on top of the electrical control 

    

This label is attached to the cabinet power cord                               on models with a power cord. 
          label and on the wiring channel. 

 

 

 

     

 

 
 
 
 
 
 
 
 
 
 
 

 

 

Summary of Contents for IHC-27

Page 1: ...6 17Rev E 57 02410 Installation Operations Manual Master Bilt Products 908 Highway 15 North New Albany MS 38652 Phone 800 684 8988 ...

Page 2: ...6 17 Rev E 57 02410 2 ...

Page 3: ... Electrical 7 Leg and Condensate Pan Installation 8 SERVICE INSTRUCTIONS 4444444444444444444444444444444 4444 4 8 TEMPERATURE SENSOR DEFROST HEATER AND FAN MOTOR REPLACEMENT444444 4444 4 9 ELECTRONIC REFRIGERATION CONTROL4444444 44444444444444444 44 410 11 SENSOR TEMPERATURE AND RESISTANCE4444444 44444444444444444444 4 12 FINAL CHECK LIST44444444444444444444 444444444444 44 44444412 ACCESSORIES444...

Page 4: ... for the circulation of air behind the case which will prevent condensation on the exterior surfaces NOTICE Read this manual before installing 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...

Page 5: ... signal words are used in the warnings and safety messages DANGER Severe injury or death will occur if you ignore the message WARNING Severe injury or death can occur if you ignore the message CAUTION Minor injury or damage to your cabinet can occur if you ignore the message NOTICE This is important installation operation or service information If you ignore the message you may damage your cabinet...

Page 6: ...ck so that older stock does not accumulate This is especially important for ice cream A First In First Out rotation practice will keep the products in good salable condition 4 Do not place product in the case when it is soft or partially thawed Also product should not be put in the case for at least 6 hours after it is started 5 Stock cases as quickly as possible exposing only small quantities to ...

Page 7: ... and wall and between top of cabinet and ceiling for proper condensing unit air circulation To comply with Sanitation requirements the cabinet must be mounted on legs 6 high min or casters or the base must be sealed to the floor with an N S F listed silicone sealant To comply with UL requirements the cabinet must have a minimum clearance of 4 at the top 6 at the rear and 0 at each side ELECTRICAL ...

Page 8: ...y pan level behind or slide under the IHC cabinet 2 Route the drain line of the cabinet to the pan so the water can drip into the pan during defrost Do not let the drain tube touch the drain pan s heater It can melt the tube or even catch it on fire 3 Plug the drain pan into a separate 115V power supply SERVICE INSTRUCTIONS 1 High head pressure and high back pressure A Condenser coil clogged or re...

Page 9: ... plastic tie to tighten the zone sensor Insert the sensor for defrost termination firmly into the evaporator coil in between the fins Make sure the sensor wires do not touch or are not close to any heater rods To change defrost heater remove screws from drain pan and pull down remove screws from coil mounting straps spring straps open remove heater shield pull heater out of slots in coil fins To c...

Page 10: ...s 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 indicator is on while FAN relay is energized Defrost The control uses time defrost with 2 defrost per day The defrost scheme can be re set the for special applications During defrost the display will show dEF when the defrost indicator on The con...

Page 11: ... Defrost Cycle per 24hr 0 99 hours 12 DLI Defrost Termination Temperature 50 120 55 F DTO Maximum Defrost Duration 1 120min 35min ELECTRICAL CONNECTIONS The controller is provided with 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...

Page 12: ...supply voltage C Set temperature control for desired temperature setting D Check sight glass if applicable for proper refrigerant charge E Check to make sure the compressor switch behind the front grill is on before start up the cabinet F Check condensing unit for vibrating or rubbing tubing Dampen and clamp as required G All valves should be completely opened counter clockwise H Check packing nut...

Page 13: ...R H 35 01452 35 01452 Door Hinge Outer Doors 35 01450 35 01450 Door Trim 29 01481 29 01380 Drain Line Heater 17 09063 17 09063 Drain Pan Heater 17 09075 Drier 09 09171 09 09846 Evaporator Coil 07 00750 07 13084 Evaporator Motor Assembly 15 13159 13 13439 Expansion Valve 09 09543 09 09543 Female Plug 21 00577 Front Control 19 00899 19 00899 Heater Safety Control 19 01307 19 01307 Leg 27 00558 27 00...

Page 14: ...6 17 Rev E 57 02410 14 DESCRIPTION DATE MODEL S IHC 27 48 3 6 15 LAE BIT25 CONTROLLER REVISION A 6 23 16 REVISION B 6 13 17 ...

Page 15: ...6 17 Rev E 57 02410 15 DESCRIPTION DATE MODEL S IHC 27 48 3 6 15 LAE BIT25 CONTR REMOTE REVISION A 6 23 16 REVISION B 6 13 17 ...

Page 16: ...6 17 Rev E 57 02410 16 DESCRIPTION DATE MODEL S IHC 27 48 3 6 15 LAE BIT25 BOOSTING TRANS REVISION A 6 23 16 REVISION B 6 13 17 ...

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