6
• Your Z1 should only be used with standard or slim style CPAP air tubing as
recommended by your physician, clinician or health care provider.
• Do not leave long lengths of air tubing around the top of your bed. The tube could
twist around your head or neck while you are sleeping.
• Do not connect or insert any device, cable or articles into the Micro USB or Micro SD
ports of your Z1 except as described in this User Guide. Connecting other devices
could result in injury to you or damage to the Z1 and void the warranty.
• Do not locate your Z1 in an unapproved place or where the air intake can be blocked
during treatment. This will lead to overheating of the Z1. If a blocked intake should
occur during operation, the unit may stop supplying pressurized air and cause a fault
condition. Refer to “Troubleshooting” in this User Guide to interpret this fault and
instructions for corrective action.
• The Z1 is designed to deliver pressures from 4 to 20 cm H
2
O. In the unlikely event of
certain fault conditions, pressures of up to 30 cm H
2
O are possible.
• Blocking the CPAP Tube while in operation could lead to overheating of the Z1.
• In the clinical environment, any personal computer that is used with your CPAP
system must be at least 5 feet (1.5 m) away from, or at least 8 feet (2.5 m) above, the
patient. It must also comply with the relevant test standard. For personal computers
the international standard is IEC 60950 or equivalent.
CAUTIONS:
• Be careful not to place your Z1 where it can be bumped or where someone is likely to
trip over the power cord.
• Make sure your Z1, Power Supply, PowerShell and Battery are kept clean, dry, and free
of dust.
• Always make sure the power cord and plugs are in good condition and the
equipment is not damaged before use.
• Make sure the area around your Z1 and accessories is dry and clean.
• During partial (below rated minimum voltage) or total power failure, therapy
pressures will not be delivered. When power is restored, your Z1 will enter standby
mode and all prior settings will be retained in memory.
• Follow the storage and cleaning instructions provided with your CPAP Tube and mask.
• The air filter should be changed at intervals specified in this User Guide.
Accumulation of filtered particles over time can reduce the efficiency and shorten the
life of any CPAP device, including the Z1. Replacement filters are available at 1-855-
436-8724 [1-855-HDMUSA4] or online at www.hdmusa.com.
• Do not wash the air filter. The air filter is not washable or reusable.
• The End Cap protects the Z1 in the event of a minor collision. Always ensure that the
End Cap is securely fitted in accordance with instructions at all times. The Z1 may not
operate if the End Cap is not properly installed.
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