Master Bilt 74 - Manuals - manualsarea.com

Page 3 - TABLE OF CONTENTS; Inspection for Shipping Damage.....................................................................................; INSTALLATION INSTRUCTIONS............................................................................................... 6; General Instructions.......................................................................................................; SERVICE INSTRUCTIONS .....................................................................................................11

3 TABLE OF CONTENTS INTRODUCTION………………………………….……………………………………………………………………4 STORE CONDITIONS…………………………….……………….…..…………………………………………….. 4 WARNING LABELS AND SAFETY INSTRUCTIONS………..…..……………………………………………… 5 PRE-INSTALLATION INSTRUCTIONS………………………..…..………………………………….…………… 6 Inspection for Shipping Damage…………...

Page 4 - The store temperature should be at or below 75; NOTICE

4 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. STO...

Page 5 - WARNING LABELS AND SAFETY INSTRUCTIONS; Severe injury or death will occur if you ignore the message.

5 CAUTION! GROUND REQUIRED FOR SAFE OPERATION WARNING LABELS AND SAFETY INSTRUCTIONS This symbol is the safety-alert symbol. W hen 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 messa...

Page 6 - PRE-INSTALLATION INSTRUCTIONS; INSPECTION FOR SHIPPING DAMAGE

6 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 ...

Page 7 - The cabinet should be grounded.

7 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...

Page 9 - MASTER-BILT ELECTRONIC REFRIGERATION CONTROL; Compressor; The control uses off cycle defrost for the BMG/TMG cooler.; MANUAL DEFROST

9 MASTER-BILT ELECTRONIC REFRIGERATION CONTROL Display Lay-out Compressor W hen 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...

Page 10 - PROBE CONNECTIONS

10 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 Symbol Parameter Range Master-Bilt’s BMG/TMG Setting SP Temperature Set Point SPL…SPH 35 °F HY...

Page 11 - SERVICE INSTRUCTIONS; High head pressure and high back pressure:

11 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 i...

Page 12 - TEMPERATURE SENSORS AND FAN MOTOR REPLACEMENT; Before making any change, technician should:

12 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...

Page 13 - MASTER-BILT PART LIST; Description

13 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 W hen Ordering Parts Description BMG/TMG-27 BMG/TMG-48 BMG/TMG-52 BMG/TMG-74 BMG/TMG-80 Accumulator 09-00812 09-00813...

Page 14 - SALE AND DISPOSAL; OWNER RESPONSIBILITY

14 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 servic...