Service and Maintenance

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In this installment of the Btu Buddy series, Bob finds a frozen outdoor coil on a heat pump that will not defrost. Btu Buddy helps in determining the problem.

A proper water treatment program, administered under the supervision of a competent water treatment specialist, is an essential part of routine maintenance to ensure the safe operation and longevity of evaporative cooling equipment. Here are some treatment tips.

In this edition of the Btu Buddy series, Bob goes on a no heat call and finds some large pieces of scale laying on a burner surface. Btu Buddy notes there are several possibilities for excess heat exchanger scale and helps Bob pinpoint the source.

In performing service and troubleshooting on heat pump systems, there are various electrical components to be checked. This article provides information to aid in inspecting and servicing these components.

In this installment of the Btu Buddy series, Bob goes on a heating service call where all the windows in the house are sweating. Btu Buddy assists in investigating to find the cause.

The pressures of getting a job done on time or getting a piece of equipment back on-line quickly can result in mistakes by even seasoned technicians. This article provides a reminder of what not to do when taking electrical measurements.

The purpose of this article is to demonstrate the proper use of the pressure-temperature relationship, and to illustrate how it can be used to thoroughly analyze a refrigeration or air conditioning system.

In this edition of the Btu Buddy series, Bob and Btu Buddy meet for a training lunch after the previous day's low oil in the sight glass service call. Btu Buddy discusses oil and oil circulation in an A/C system.

In this installment of the Btu Buddy series, Bob encounters a compressor with very low oil level. Btu Buddy explains that the low oil level is a normal function of this system for this time of year.