Service Manual
Integra E-Z Oxygen Concentrators
Chart SeQual Technologies Inc. Page 7 of 34 P/N 2917
start running. In addition the Integra E-Z has two fuses. The primary fuse F2 (service
technician replaceable fuse, see Section 10 for spare parts) is used as a back-up to the current-
sensing system and will prevent excessive current draw by the compressor. Another non-
replaceable fuse, F1, provides protection in the event of a transformer failure.
A thermal cut off switch, located in the bottom of the base in front of the compressor, acts as a
thermal circuit interrupt. In the event that the internal cabinet temperature rises above
approximately 140 degrees Fahrenheit (60 degrees C), the switch will open, this will be
detected by the current sense feature and shut the unit off and alarm. The switch will
automatically reset when the cabinet temperature returns to normal operating range. On the
Integra E-Z models once the thermal switch closes again the unit will not automatically turn
back ON after temperature returns to normal. It will require user to address the cause of
overheating (unit covered by blanket or similar issue) and then press the On/Off button to
continue us of the oxygen concentrator.
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