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About This Item
Full Description
This document is applicable to the following equipment:
- basic multi-split systems, modular multi-split systems and modular heat recovery multi-split systems. These multi-split systems include air-to-air systems with non-ducted and/or ducted indoor units with integral fans and indoor units supplied without fans.
- residential, commercial and industrial split-system air conditioners and heat pumps;
- factory-made, electrically driven and use mechanical compression;
- single- and multiple-circuit split-systems which utilize one or more compressors with no more
than two steps of control of the outdoor unit;
or
- split-systems with a single refrigeration circuit which utilize one or more variable-speed compressors or alternative compressor combinations for varying the capacity of the system by three or more steps.
The requirements of testing and rating contained in this document are based on the use of matched assemblies.
This document is not applicable to the rating and testing of the following:
- a) water-cooled or water source equipment;
- b) mobile (single-duct) units having a condenser exhaust duct;
- c) individual assemblies not constituting a complete refrigeration system;
- d) equipment using the absorption refrigeration cycle.
- e) ducted air conditioners and/or ducted heat pumps, rated at less than 8 kW and intended to operate at external static pressures of less than 25 Pa, controlled by a single thermostat/controller (refer to ISO 5151);
- f) multiple split-system utilizing one or more refrigeration systems, one outdoor unit and one or more indoor units, controlled by a single thermostat/controller (refer to ISO 5151 or ISO 13253).
Cross References:
GUM:1995
ISO/IEC GUIDE 98-3:2008 Ed 1
ISO 5151:2010
ISO 817:2014 ED3 ISO 13253:2011
ISO/TS 16491:2012 ED1
ISO 5167-1:2003 Ed 2
ISO 3966:2008
All current amendments available at time of purchase are included with the purchase of this document.
Document History
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BS ISO 15042:2017+A1:2020
Multiple split-system air conditioners and air-to-air heat pumps. Testing and rating for performance- Most Recent
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BS ISO 15042:2017
viewing
Multiple split-system air conditioners and air-to-air heat pumps. Testing and rating for performance- Historical Version
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BS ISO 15042:2011
Multiple split-system air-conditioners and air-to-air heat pumps. Testing and rating for performance- Historical Version
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BS 05/30136105 DC
ISO 15042. Multiple split-system air-conditioners and air-to-air heat pumps. Testing and rating for performance- Historical Version