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WARNING LABELS AND SAFETY INSTRUCTIONS
This is the safety-alert symbol. When you see this symbol, 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 refrigeration 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 refrigeration system 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 refrigeration system.
The warning and safety labels shown throughout this manual are placed on your Master-Bilt
refrigeration system at the factory. Follow all warning label instructions. If any warning or safety labels
become lost or damaged, call our customer service department at 800-684-8988 for replacements.
This label is on the housing of the Master Controller 2.0 typically located on an evaporator coil.
APPLICATIONS
Master Controller 2.0 Reverse Cycle Defrost systems are designed to control Master-Bilt made condensing
units and evaporators for freezer and cooler applications. Each system contains a condensing unit,
evaporator(s) with Master Controller 2.0 board(s), electric expansion valve(s), pressure transducers,
temperature sensors, reverse cycle valve and operational controls.
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