HRX-OM-Q026
Chapter 7 Control, Inspection and Cleaning
HRSH Series 7.2 Inspection and Cleaning
7-3
◼ Periodical inspection during the summer season
If heat from the product cannot be sufficiently radiated due to a rise in the ambient
temperature, a lack of ventilation, high elevation, etc., the refrigerant circuit
pressure on the high pressure side will rise. As a result, the compressor will
overload, affecting product performance and life, so be sure to check the value of
the refrigerant circuit pressure on the high pressure side.
If the refrigerant circuit high pressure exceeds the values in the table below, please
review the installation environment or change the fan motor output upper limit
value to a higher value to reduce the pressure.（※）
※ Fan motor output upper limit can not be changed for HRS300-A.
Table 7.2-1 Refrigerant circuit high pressure target value
[One point]
Refer to "5.5 Check monitor menu" for how to check refrigerant circuit high pressure.
Refer to "5.20 Fan motor output high limit setting" for fan motor output high limit setting.
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