Controls Program Lockdown

Commercial Grocery Store Chain in South and Florida Regions

Goals:

• Improve mechanical room cooling applications and reduce impact on building pressure

• Increased consistency in control setpoints

• Universal remote setpoint control management

• Enable password protection and ability to prevent set point change in contrast to design intent

• Decrease volume of service calls

• Achieve energy savings through energy efficient operation of refrigeration, HVAC, lighting, building pressure, etc.

Solutions:

• Install evaporator fan coil in machine room for equipment cooling that is connected to the medium temp rack with CPC controls

• Re-work MR outside air exchange cooling strategy to activate exhaust fan with refrigerant leak or a manual override button

• Install a building pressure sensor to monitor and control store pressure

• Install dewpoint sensor

• Calibrate refrigeration pressure transducers and operation critical temperature sensors

• Program all controls to customer specifications

Benefits:

• Automated monitoring

• Average annual energy savings of $9869 per site

• Increased display features up time correlated with reduction of service workorder calls