Author Climate Control Team
A solenoid valve with a built-in check valve is designed to replace
a liquid line solenoid valve in parallel with a check valve for
reverse flow. This valve may be applied in the liquid line of...
Posted On 03/02/2017
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Author Climate Control Team
In order to understand the principles of thermostatic expansion
valve operation, a review of its major components is necessary. A
sensing bulb is connected to the TEV by a length of capillary
tubing...
Posted On 02/22/2017
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Author Climate Control Team
It is important to locate a filter-drier in a refrigeration system.
Its role is to remove moisture from the refrigerant and lubricant
by absorbing and retaining moisture deep within the...
Posted On 09/28/2016
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Author Climate Control Team
When responding to a refrigeration service call at a supermarket,
the refrigeration technician immediately plays “problem
percentages” upon entering the store. Most refrigeration equipment
breakdowns...
Posted On 08/09/2016
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Author Climate Control Team
To ensure peak performance, solenoid valves must be selected and
applied correctly; however, proper installation procedures are
equally important. Aside from correct installation, troubleshooting
the...
Posted On 07/19/2016
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Author Climate Control Team
We all know that a properly charged refrigeration system utilizing
a receiver must have a liquid and vapor interface in the receiver.
And we also know that saturated pressure and temperature...
Posted On 07/05/2016
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Author Climate Control Team
In air conditioning and refrigeration applications, the ability of
the thermostatic expansion valve (TEV) to match refrigerant flow to
the rate at which refrigerant can be vaporized in the...
Posted On 06/21/2016
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Author Climate Control Team
All refrigeration piping materials are subject to changes in
temperature and will expand and contract with temperature change.
Installation techniques must allow for expansion and contraction
changes,...
Posted On 06/07/2016
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Author Climate Control Team
Parker's HVACR Tech tips cover service tips for the HVACR
technician servicing commercial refrigeration systems as well as
HVAC for both commercial and home. The following are
service tips for...
Posted On 05/24/2016
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Author Climate Control Team
Many refrigeration compressors break down simply because they
overheat. There are two main reasons why overheating can have such
a devastating effect on compressors: Loss of the lubricating
properties...
Posted On 12/17/2015
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Author Climate Control Team
Have you considered a CDS valve conversion for improving
performance and reducing costs on your refrigeration equipment?
Over the past ten years, Parker Sporlan has completed tens of
thousands of...
Posted On 09/21/2015
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Author Climate Control Team
Head pressure control on supermarket refrigeration systems is used
to maintain a minimum high-side-pressure to low-side-pressure
relationship. Low side pressures are the result of...
Posted On 04/07/2015
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Author Climate Control Team
Manufacturers of refrigerants, controls, and other suppliers
distribute hundreds of thousands of pressure-temperature charts to
the trade every year. It would be rare indeed to find a...
Posted On 07/01/2014
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Author Climate Control Team
Climate control is the technology of controlling fluids and gases
to vary temperature. Parker provides comfort, convenience and
control through refrigeration and air conditioning. Key
markets Air...
Posted On 07/01/2013
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