BS EN 16905-2:2020 pdf free.Gas-fired endothermic engine driven heat pumps.
BS EN 16905-2 This European Standard applies to GEHP appliances only when used for space heating or space cooling or for refrigeration, with or without heat recovery.The GEHP appliances having their condenser cooled by air and by the evaporation of external additional water are not covered by this European Standard. Packaged units, single split and multisplit systems are covered by this European Standard. Single duct and double duct units are covered by this European Standard.The above GEHP appliances can have one or more primary or secondary functions. This European Standard is applicable to GEHP appliances that are intended to be type tested. Requirements for GEHP appliances that are not type tested would need to be subject to further consideration.In the case of packaged units (consisting of several parts), the standard applies only to those designed and supplied as a complete package.NOTE
All the symbols given in this text are used regardless of the language used.This part of EN 16905 specifies the safety requirements, the safety test conditions and the safety test
methods of gas-fired endothermic engine driven heat pumps for heating and/ or cooling mode including the engine heat recovery.The thermal insulation material, etc. used near (less than 50 mm) the electric component section shall be fire-resistant, except in cases where there is no possibility that danger such as electric shock, fire arises if the thermal insulation material, etc. burns.The confirmation of drain of the condensed water can be easily performed.The connecting port, etc. for refrigerant collection shall be provided.The refrigerant circuit shall be safe for an abnormal pressure rise.The GEHP appliance shall be equipped with control and safety devices for start, operation and control of the gas supply.Any parts of a GEHP appliance which are not intended to be altered by the user or the installer shall be protected in an appropriate manner. Paint may be used for this purpose provided that it withstands the temperature to which it is subjected during normal operation of the GEHP appliance.BS EN 16905-2 pdf download.