Heatcraft Refrigeration Products H-IM-79E manual Box Temp Control Settings, Leak Testing

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Box Temp Control Settings

Box Temperature Control Settings

There is an on board room thermostat on the Beacon II board which can be adjusted to the desired room temperature. The temperature differential is 2° F.

Temperature Differential

When a system is in the cooling mode and the box setpoint is 35°F, the system will continue to cool until the box temperature gets to 34°F. At this point the compressor will pumpdown and shut off. The system will restart cooling when the box temperature has risen to 36°F.

It is important to note that Beacon II­has a minimum 2 minute “ON” time and a minimum 4 minute “OFF” time. This means that the system will run in the cooling mode a minimum of 2 minutes even

if the setpoint temperature is met. In applications where the system is grossly oversized, the box temperature could go below the differential temperature before the system cycles off.

In the “OFF” cycle the system will be off for a minimum of 4 minutes even if the

box temperature goes above the differential temperature, before cooling will be restarted.

The on board room thermostat is factory set at 35°F for Air Defrost systems and -10°F for electric defrost system.

Leak Testing

After all lines are connected, the entire system must be leak tested. The complete system should be pressurized to not more than 150 psig with refrigerant and dry nitrogen. The use of an electronic type leak detector is highly recommended because of its greater sensitivity to small leaks. As a further check it is recommended that this pressure be held for a minimum of 12 hours and then rechecked. For a satisfactory installation, the system must be leak tight.

Refrigerant Charging

Beacon II systems are shipped standard with a head master valve (scroll compressor models have a 100 PSI head master valve. All other models have a 180 PSI head master valve). The maximum system refrigerant capacity is the receiver capacity as listed in the sales literature plus the liquid line capacity. Do not add more refrigerant to the system than 90% of the receiver capacity.

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Contents Installation 2007, Heatcraft Refrigeration Products LLC Beacon II Board Layout Beacon II BoardEvaporator Unit InstallationInstallation Tips Condensing UnitRefrigerant Line Brazing Caution Power SupplyWiring BrazingMultiple Evaporator Configuration Master/slave ConfigurationRefrigerant Charging Box Temp Control SettingsBox Temperature Control Settings Leak TestingSingle System With 1 Evaporator Start-Up OperationSingle System With Multiple Evaporators Smart Controller Operating Mode Display Initial Power OnProgramming & Reviewing Programming And Reviewing Settings / ChangesProgramming And Reviewing Settings / Changes cont’d Monitor Locking The Beacon II Board Periodic Pumpdown Status Indicator LEDLow Ambient Operation PumpdownPumpdown / Defrost Defrost / Alarms Error Indicator Led Error IndicatorEvaporator Fans Shut Off Checking Operation Of Expansion Valve EEV Checking Operation of Expansion ValveExpansion Valve Motor Winding Resistance Checking Sensors Power FailuresPower Failures Spare Sensor TerminalsParameters System DefaultsAIR Part Description Part Number InterLink Replacement Parts ListOperational Limits Beacon II Troubleshooting Guide DiagnosticsExpansion Valve Capacity Or other measures Master Slave Out Placing system into Service Mode Terminating Service Mode Wiring Wiring Wiring Wiring Wiring Wiring Evaporators Preventive MaintenanceService Record Record Outdoor Temperature System Voltage

H-IM-79E specifications

Heatcraft Refrigeration Products has long been a leader in eco-friendly and efficient cooling solutions, and the H-IM-79E is a prime example of their commitment to innovation and sustainability. Designed for commercial use, the H-IM-79E is a high-performance refrigeration unit ideal for supermarkets, convenience stores, and restaurants, where reliable temperature control is essential.

One of the standout features of the H-IM-79E is its energy efficiency. This unit employs advanced compressor technology that optimizes power consumption without sacrificing cooling performance. In addition, it is designed to minimize operational costs, making it an attractive option for businesses looking to reduce their energy bills while maintaining high standards of refrigeration.

The H-IM-79E integrates a robust refrigerant management system that uses environmentally friendly refrigerants, aligning with Heatcraft's commitment to reducing the carbon footprint of their products. This not only helps businesses comply with environmental regulations but also promotes a healthier planet for future generations.

Another key characteristic of the H-IM-79E is its superior temperature stability. The unit is equipped with precision temperature control technology that ensures consistent cooling performance, preventing temperature fluctuations that can compromise food quality and safety. This reliability is crucial in commercial settings where maintaining optimal storage conditions is essential.

The design of the H-IM-79E is also noteworthy. It features a compact footprint, allowing it to fit seamlessly into various commercial environments without taking up valuable floor space. Additionally, the unit is built with durable materials, ensuring longevity and minimizing maintenance needs.

User-friendly interfaces make the H-IM-79E easy to operate. It includes advanced monitoring and diagnostics capabilities, allowing business owners to track performance in real-time and address potential issues before they escalate. The incorporation of smart technologies means that operators can remotely monitor and control the system, providing flexibility and peace of mind.

In summary, the Heatcraft Refrigeration Products H-IM-79E stands out for its energy efficiency, eco-friendly refrigerant use, reliable temperature control, compact design, and user-friendly features. This combination of attributes makes it an ideal choice for businesses that prioritize both sustainability and performance in their refrigeration needs.