ASHRAE STD 18
Methods of Testing for Rating Drinking-Water Coolers with Self-Contained Mechanical Refrigeration
Organization: | ASHRAE |
Publication Date: | 21 June 2008 |
Status: | active |
Page Count: | 12 |
scope:
This standard applies to self-contained, mechanically refrigerated drinking-water coolers as described below:
a. Water coolers that are supplied with piped water under pressure.
b. Water coolers that require a bottle or reservoir to store the supply of water to be cooled.
c. Water coolers of the general type described in Section 2.1(a) or 2.1(b) that provide additional utility described by any one, or more than one, of the following:
1. A refrigerated storage compartment with or without provisions for making ice.
2. A means for the heating of potable water.
3. A connection that may be used to supply cooled water to a remote dispensing means.
This standard does not apply to
a. water coolers intended for use on central circulatingtype systems or
b. water coolers employing remote-type condensing units.
This standard does not
a. provide methods for field or production testing or
b. establish criteria for evaluation of equipment with respect to safety, health hazards, durability, adverse operating conditions, or other factors involved in field applications.
PURPOSE
The purposes of this standard are as follows:
a. To establish the types of equipment to which the provisions of this standard apply.
b. To define terms describing the equipment covered and terms related to testing.
c. To specify types of instrumentation and test apparatus required in testing.
d. To specify methods of procedure to be used when testing for rating.
e. To specify a uniform method for calculation of results.
f. To specify data and results to be recorded.