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About This Item


Full Description

This document has been withdrawn.This standard provides uniform and systematic practices for making measurements in testing, analyzing, balancing, and reporting the performance of the heating, ventilation, air conditioning, and refrigeration (HVAC&R) systems onboard ships.


This standard describes methods for evaluating shipboard HVAC&R systems. It applies to all air-moving equipment, hydronic equipment, and HVAC heat-transfer equipment, refrigeration equipment, HVAC electrical power and control equipment. It describes methods for measuring temperature, humidity, enthalpy, current, wattage, voltage, rotation, fluid flow, heat flow, pressures, sound, and vibration levels in HVAC&R systems.

This standard includes the following:


  1. Minimum system configuration requirements to ensure the system can be tested and balanced.
  2. Minimum instruments and permanently installed measuring equipment for underway measurements.
  3. Procedures for measurements used in testing and balancing and system analysis.
  4. Reporting format and forms.
  5. Classification of ships and spaces to assist in defining the different procedures required for different ships and spaces.
  6. Procedures for testing and adjusting refrigeration systems, including direct-expansion type, chilled-water type, and absorption-type, air-cooled condensers, and seawatercooled condensers.

It does not include system-design, application, or equipment-design criteria.

Keywords: TAB; shipboard TAB; testing, adjusting and balancing; ship maintenance

Table of Contents


Document History

  1. ASHRAE 151-2010


    Testing, Adjusting, and Balancing Shipboard HVAC&R Systems (ANSI Approved)

    • Most Recent
  2. ASHRAE 151-2002

    Testing, Adjusting, and Balancing Shipboard HVAC&R Systems (ANSI Approved)

    • Historical Version