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BMG/TMG -27, 48, 52, 74, 80
LAE CONTROLLER
Installation & Operations Manual
Master-Bilt Products
908 Highway 15 North
New Albany, MS 38652
Phone: (800) 684-8988
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TABLE OF CONTENTS INTRODUCTION………………………………….……………………………………………………………………4 STORE CONDITIONS…………………………….……………….…..…………………………………………….. 4 WARNING LABELS AND SAFETY INSTRUCTIONS………..…..……………………………………………… 5 PRE-INSTALLATION INSTRUCTIONS………………………..…..………………………………….…………… 6 Inspection for Shipping Damage…………………………………………………………….…………… 6 INSTALLATION INSTRUCTIONS………………………………………………………………………………….. 6 General Instructions…………………………………………………………………………………………. 6 Mechanical ..……………………………………………………………………………
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INTRODUCTION Thank you for purchasing a Master-Bilt cabinet. This manual contains important instructions for installing, using, and servicing a Master-Bilt BMG/TMG case. A parts list is included with this manual. Read all these documents carefully before installing or servicing your equipment. STORE CONDITIONS The Master-Bilt BMG/TMG cases are designed to operate in the controlled environment of an air-conditioned store. The store temperature should be at or below 75°F and a relat
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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 informat
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PRE-INSTALLATION INSTRUCTIONS INSPECTION FOR SHIPPING DAMAGE You are responsible for filing all freight claims with the delivering truck line. Inspect all cartons and crates for damage as soon as they arrive. If damage is noted to shipping crates or cartons or if a shortage is found, note this on the bill of lading (all copies) prior to signing. If damage is discovered when the cabinet is uncrated, immediately call the delivering truck line and follow up the call with a written rep
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ELECTRICAL WARNING Before servicing electrical components in the case or the doors or door frames make sure all power to case is off. Always use a qualified technician. NOTICE For models with electronic ballast only: For replacement ballast, use only ballast that complies with UL Type CC rating if unit is equipped with electronic ballast. Check voltage and amps drawn on (Page 12-15) to determine proper line and fuse or circuit breaker size. Check power supply for l
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LEG AND CONDENSATE PAN INSTALLATION FOR TOP MOUNT CABINETS ONLY 1. Screw legs into existing crate mounting holes. 2. Mount pan and bracket assembly to rear of cabinet with 2 large sheet metal screws (supplied). Be sure pan is located directly under cabinet drain DOORS The BMG/TMG cabinets have Anthony glass doors Levelin
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MASTER-BILT ELECTRONIC REFRIGERATION CONTROL Display Lay-out Compressor When power is first turned on to the control, the LED indicator for the Thermostat output will go through the start-up delay. After a one-minute delay the compressor comes on. The LED indicator stays on while compressor relay is energized. Display will show actual box temperature. Picture above is the display layout. The compress
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HOW TO CHANGE THE SETPOINT HOW TO CHANGE a parameter value LIST OF PARAMETERS Here is a list of the parameters the value of which can be changed in the programming mode, as well as their ranges. Display Master-Bilt’s Parameter Symbol Range BMG/TMG Setting SP Temperature Set Point SPL…SPH 35°F HYS Temperature Differential 1 to 255°F 5° Minimum Temperature limit setpoint -50…SPH SPL 27°F SPH Maximum Temperature limit setpoint SPH…120° 50°F High Te
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SERVICE INSTRUCTIONS 1. High head pressure and high back pressure: A. Condenser coil clogged or restricted B. Condenser fan motor defective. C. Air discharge in rear of cabinet restricted. 2. Low back pressure and low head pressure: A. Restriction in system. B. Refrigerant undercharged. C. Leak in system 3. Pressure normal – cabinet warm: A. Coil blocked with frost (see #4). B. Refrigerant undercharged. C. Control set too warm. 4. Cabinet not
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TEMPERATURE SENSORS AND FAN MOTOR REPLACEMENT Before making any change, technician should: 1. Disconnect power to the cabinet 2. Remove screws from venturi and pull down To change a temperature sensor (cabinet zone sensor or defrost termination sensor), simply disconnect the sensor wires from the controller and replace the new sensor in the original position. Use plastic tie to tighten the zone sensor. Insert the sensor for defrost termination firmly into the evaporator coil,
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MASTER-BILT PART LIST The table below gives Master-Bilt part numbers. Use this chart when ordering replacement parts for your BMG/TMG cabinets. Always Advise Cabinet Serial Number When Ordering Parts Description BMG/TMG-27 BMG/TMG-48 BMG/TMG-52 BMG/TMG-74 BMG/TMG-80 Accumulator 09-00812 09-00813 09-00813 09-00812 09-00812 Ballast 23-01709 23-01704 23-01704 23-01704 23-01704 Bulb 23-01575 23-01575 23-01575 23-01575 23-01575 Lamp Holder 23-50562 23-50562 23-50562 23-50562 23-50562 Cap
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SALE AND DISPOSAL OWNER RESPONSIBILITY If you sell or give away your Master-Bilt cabinet you must make sure that all safety labels and the Installation - 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) 684-8988. 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 i
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