ISO 7176-25:2013 pdf free
ISO 7176-25:2013 pdf free.Wheelchairs – Batteries and chargers for powered wheelchairs
On-board and carry-on battery chargers shall meet the following requirements after being exposed to vibration as specified in 5.1.3.2.
Battery chargers shall meet the requirements of IEC 60335-2-29 for class II appliances.
Off-board battery chargers intended for use only in dry indoor areas shall provide a degree of protection not less than IPX1 as specified in IEC 60529.
Carry-on battery chargers, installed on-board battery chargers and off-board battery chargers intended for use in places other than dry indoor areas shall provide a degree of protection not less than IPX4 as specified in IEC 60529.
Where a wheelchair intended for use with the charger is available install the on-board battery charger on the wheelchair in accordance with the charger manufacturer’s instructions. Subject the wheelchair to the multi-drum fatigue test and the kerb-drop fatigue test specified in ISO 7176-8.
NOTE This may be combined with wheelchair testing in accordance with ISO 7176-8.Alternatively, expose the on-board battery charger to vibration as specified in IEC 60335-2-29 for battery chargers for installing in caravans and similar vehicles.
Where a wheelchair intended for use with the charger is available arrange for the battery charger to be carried on the wheelchair in accordance with the charger manufacturer’s instructions. Subject the wheelchair to the multi-drum fatigue test and the kerb-drop fatigue test specified in ISO 7176-8.
NOTE This may be combined with wheelchair testing in accordance with ISO 7176-8.Alternatively, expose the carry-on battery charger to vibration as specified in IEC 60335-2-29 for battery chargers for installing in caravans and similar vehicles.
Reverse polarity connection between the battery and the battery charger could cause a fire or damage to the wheelchair control system, the battery and/or the battery charger if no reverse polarity protection is present.
It shall not be possible to change the output voltage, the charging characteristics or other settings of the battery charger without the aid of a tool, key entry combination or similar means for restricting access. If the means for restricting access is other than a tool, it shall not consist of operations which are performed in normal use of the battery charger.ISO 7176-25 pdf download.
