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Commercial refrigeration equipment pressure control, Ranco Walk In Cooler Design Guides
Sizing, installation, troubleshooting, repair for commercial walk-in coolers

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Commercial walk-in coolers:

This article provides design guides and troubleshooting guides from a variety of manufacturers of commercial walk-in coolers. Ranging from product brochures to engineering calculations on heat loss and gain and thus refrigeration capacity specifications, to assembly and repair procedurs for walk in coolers and the refrigeration equipment used to keep them at proper tempeature are provided here.



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Walk-in coolers & freezers

R-22 refrigerant and air conditioning test gauges (C) Daniel Friedman

Reader Question:

2016/07/26
Do you have a guide on how to size and troubleshooting walk in coolers and freezers also info on commercial controls. - D.B. by private email

Reply:

I will see what I can find and will include some basic information here as well as adding it online. If you have a specific question, let me know that as it'd direct my search.

When I worked on commercial cooler systems it was basically servicing a compressor/condenser (with receiver) and commercial pressure controls.
See PRESSURE CONTROLS & SAFETY SWITCHES

The charge was computed as with any system: manufacturer's specs + allowances for longer refrigerant piping if present; the receiver makes obtaining the precise charge not critical.

Sizing would depend on enough on-site data that I'm doubtful about finding a single generic reference.

Condensate handling was more of a concern as there was often a larger volume of condensate than in residential cooling and refrigeration systems.
See CONDENSATE PUMPS for an example of a silly commercial walk-in cooler's approach to handling condensate: "collect it in a bucket".

Factors Affecting the Design & Cooling Equipmetn Capacity Sizing for Commercial Walk-In Coolers & Freezers

For general equipment sizing and walk-in cooler design specifications see these information sources:

Standards & Research on commercial cooler design, installation, repair

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Continue reading at REFRIGERANT PRESSURE READINGS & CHARTS

or at OVER CHARGED of REFRIGERANT, EFFECTS or select a topic from closely-related articles below, or see our complete INDEX to RELATED ARTICLES below.

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Continue reading at REFRIGERANT PROBLEM TYPES or select a topic from closely-related articles below, or see our complete INDEX to RELATED ARTICLES below.

Or see REFRIGERANT PRESSURE READINGS & CHARTS

Or see FROST BUILD-UP on AIR CONDITIONER COILS

Or see REFRIGERANT CHARGING PROCEDURE

Or see TEV INSTALL & REPAIR

Or see LOST COOLING CAPACITY

Suggested citation for this web page

WALK IN COOLER REPAIR at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice.

INDEX to RELATED ARTICLES: ARTICLE INDEX to AIR CONDITIONING & HEAT PUMPS

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