To develop a laboratory testing method that determines the key air-source HPWH performance characteristics of the common system Configurationsand to develop in parallel,TRNSYS models for the common HPWH configurations so they can accept the outputs of the HPWH performance testing methods.
The models are required to model the HPWH seasonal performance for the two NZ climate zones defined in AS/NZS 4234.
From: To develop an Air-Source Heat Pump Water Heater performance test and TRNSYS annual performance Model, ICNNZ Reference: 21289
Friday, March 21, 2008
Testing Heat Pump Water Heaters
The New Zealand Government has issued a request for tender for a test strategy for Heat Pump Water Heaters. There is a common Australia/NZ standard for these (AS/NZS 4234), but this has two climate zones unique to NZ, which the heaters need to be tested for. Heat pumps are very efficient for heating water, but have problems operating at low temperatures.
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