Application Note

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Application Note

From the Fluke Digital Library @ www.fluke.com/library

You might find it indispensable

Are you looking for a diagnostic tool that can save you money out of

the box? A tool that can help you troubleshoot malfunctioning HVAC

mechanical systems? One that is literally a “‘point and shoot” device?

The Fluke 62 MAX+ Infrared (IR) Thermometer is just that tool! In

fact, once you begin to use it you might find it indispensable. It has

become the first tool out of my tool bag (I’m a senior HVAC technician

and troubleshooter). In just a few weeks of using my Fluke 62 MAX+

IR Thermometer I found a large number of ways it could help me.

Here are some of the ways.

1. Check discharge air

temperature

You can check the discharge air

temperature of an HVAC unit

with a ceiling discharge while

standing on the ground. Not only

is this safer than using a ladder;

the values can be used to adjust

the control system and reduce

energy waste. Many air handling

units produce a 55 °F (12.7 °C)

discharge temperature.

2. Check thermostat

accuracy

Occupants often complain about

being too hot or cold. You can

check the accuracy of the room

thermostat very quickly with the

Fluke 62 MAX+ IR Thermometer.

Then you can make adjustments

to the thermostat or replace the

thermostat if necessary.

3. Check inlet and outlet

water temperatures

Water coils in HVAC systems

typically use hot or chilled water.

You can quickly check the water

temperatures at the inlet and

the outlet of the coil with the

Fluke 62 MAX+ IR Thermometer.

This will indicate proper water

temperatures, heat transfer, and

valve operation. A check can also

indicate if there are any water

balance problems.

4. Check air handler coil

temperatures

HVAC air handling units are

designed with specific coil tem-

peratures. You can use the Fluke

62 MAX+ IR Thermometer to

quickly check the coil tempera-

tures. This will reduce energy

waste and increase comfort.

Twenty ways the Fluke

62 MAX

Infrared

Thermometer can save

you energy and time

“Many possible high-impact uses of the Fluke

62 MAX+ IR Thermometer exist, in addition to

the examples given here. Usually when I get to

the job site, I just start pointing and using the

Fluke 62 MAX+ IR Thermometer right away!”

Summary of content (3 pages)

PAGE 1
Twenty ways the Fluke 62 MAX+ Infrared Thermometer can save you energy and time Application Note You might find it indispensable Are you looking for a diagnostic tool that can save you money out of the box? A tool that can help you troubleshoot malfunctioning HVAC mechanical systems? One that is literally a “‘point and shoot” device? The Fluke 62 MAX+ Infrared (IR) Thermometer is just that tool! In fact, once you begin to use it you might find it indispensable.
PAGE 2
5. Check boiler hot water 7. Check air distribution temperatures A room or space may have sevMany buildings use a hot water heating system. You can check the hot water boiler temperatures easily, quickly, and safely with the Fluke 62 MAX+ IR Thermometer. You can then adjust the water temperature controls to save energy and money. A system that is even a few degrees off over the course of a heating season can result in expensive energy expenditures. eral air distribution ducts.
PAGE 3
13. Safe checking of ceiling-mount equipment 16. Check electric heating coil operation A large amount of HVAC equipment is mounted above the floor in hard to reach areas, which can cause a safety hazard. You can use the Fluke 62 MAX+ IR Thermometer to easily check the temperature without exposing yourself to any safety issues. Many buildings use air handling or terminal units with electric heating elements. These include heat pumps, VAV terminal boxes, and air handling units.