M AINTENANCE7-8 www.zoll.com 906-0731-01-05 Rev. CVentilator StorageFollow the battery storage recommendations that we describe in this chapter.Following 6 months (or longer) of continuous storage or non-use, inspect the device, performan Operational Test, and recharge the unit’s batteries before attempting to use it with a patient.If the device has been stored in non-controlled environments (such as a vehicle), allow the unitsufficient time to stabilize to a temperature within its specified operating range.The ZOLL Ventilator is available with transit and carry case options. Follow the instructionsthat we provide with the transit or carry case.Battery Replacement and Shipping RegulationsOnly trained technicians at a authorized ZOLL Service Center can replace the ventilator’sbattery. Contact your local service center for return instructions and please note the following:• Shipping of the ZOLL Ventilator’s battery should always use proper State of Charge (SOC),which must never exceed 30%. The ventilator’s Rechargeable Lithium Ion battery followsthese and other important regulations, which IATA/DOT UN 38.3 mandates.• The ventilator’s battery is less than 100Wh, and thus is Classified as Class 9 Exempt anddoes not require Class 9 labeling or marking.• Always check all applicable local, national, and international regulations before transportinga Lithium-Ion battery.• Transporting an end-of-life, damaged, or recalled battery may, in certain cases, bespecifically limited or prohibited.Calibration ChecksThe ZOLL Ventilator continuously performs a self check to monitor the pneumatic system.You should always check the ventilator’s calibration as part of the annual service procedure.You should check the ventilator’s calibration:• Every 12 months.• Whenever significant usage warrants a shorter period between preventative maintenanceinspections.• Whenever you suspect the unit is not functioning properly.• Following mass deployment before the device is returned to storage.You should perform maintain a secure record of calibration checks for devices not returned toZOLL for calibration/maintenance. If the unit fails the calibration check, it should be returnedto ZOLL or an authorized Service Center for calibration.To perform a calibration check, you must use ZOLL’s RCS system; only ZOLL-trained andcertified personnel can use the ZOLL RCS system.Electrical Safety CheckThe ventilator’s power system has an internal protection system that the device continuouslymonitors. In event of a fault or failure condition. the device indicates a self-check alarm.The ZOLL Ventilator is double insulated, and is categorized as both Class I or Class II meetingall regulatory codes. When attached to the an AC power supply the ventilator’s external AC/DCconverter protects the device in two steps: