Service and Maintenance

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In this edition of the Btu Buddy series, Part 2 of last month’s article, Bob and Btu Buddy meet the next morning to change the compressor in the system.

This convenient a/c start-up checklist from the Hartford Steam Boiler Inspection and Insurance Co. has been designed to help maximize reliability, economy, and fuel conservation in the operation of air conditioning equipment.

In this installment of the Btu Buddy series, a customer calls and says his heat pump is not running. Bob finds that the compressor is shorted to ground.

When choosing a replacement motor, you can often use the motor's nameplate to help you in making the selection, but a nameplate doesn't always provide you with everything you need to know.

In this edition of the Btu Buddy series, Part 2 of the previous article, Bob returns to the motel that had a heating problem to determine how air got into the closed loop piping system.

In troubleshooting situations involving a motor, more than half the battle is simply isolating the problem. So when problems arise, how can you tell if it is the drive, the motor, or the load? Here are a few tips.

In this installment of the Btu Buddy series, the dispatcher sends Bob to a motel that is five stories high with the complaint that the top floor does not have any heat. Bob discovers air in the hot water heating system.

Here are some tips for your next commercial refrigerator troubleshooting call. This article provides tips for various conditions, including handling a unit that’s dead, that’s freezing up, or that might have a compressor problem.

The only fluids circulating within a refrigeration system should be refrigerant and oil. Any other fluids contained within the system may reduce its capacity and possibly cause harm to the system. One common contaminant that can enter a system is atmospheric air.

In this edition of the Btu Buddy series, Bob goes on a call where a heat pump indoor fan motor is coming on from time to time even when the thermostat is off. He finds that a grounded heat coil is causing the intermittent fan operation.