Technical Specifications; Humidifier Performance - ResMed H4i User Manual

2. Discard any excess water from the water chamber.
3. Turn the water chamber upside down. Using the side tabs, disengage
the latch by pushing the latch up and away.
4. Remove the tub plate.
5. Remove the tub plate seal.
Weekly
The disassembled water chamber, spill guard, tub plate and tub plate
seal may be washed in a dishwasher on the delicate or glassware cycle
(top shelf only).
Inspect the water chamber for wear and deterioration. Replace the
water chamber if any component has cracked, become cloudy or pitted.
Replace immediately if there is any leaking from the water chamber.
White powder or deposits in the water chamber can be cleaned using a
solution of one part vinegar to 10 parts water as follows:
Refer to illustration H on page 2.
1. Fill the cleaning plug to the rim with vinegar and pour into empty
water chamber.
2. Add clean water to the water chamber until the solution reaches the
maximum water level mark.
3. Let the solution soak for 10 minutes.
4. Discard the solution and rinse the water chamber with clean water.
Cleaning the cover and seal
Refer to illustration I on page 2.
1. Remove the cover by gently flexing one cover arm away and up from
the docking station until the cover detaches completely.
2. Peel the cover seal away from the cover.
3. Inspect the cover and cover seal weekly for wear and deterioration.
Replace any damaged parts. When required, wash the cover and cover
seal in warm water and allow it to dry away from direct sunlight.
Cleaning the docking station
Periodically wipe the outside of the docking station (including the
connector seal) with a damp cloth. Do not attempt to disassemble and
do not place in dishwasher.
Cleaning the heater plate
Do not allow water to collect on the heater plate. Wipe it with a clean
cloth if necessary.
CAUTION
Do not use any of the following to clean any part of the Humidifier as
these solutions may cause damage and reduce the life of the product:
• bleach, chlorine, alcohol or ammonia based solutions
• moisturising, antibacterial or glycerine based soaps
• water softening and unapproved descaling agents.
Reassembling the cleanable water chamber
Refer to illustration J on page 2.
1. Refit the tub plate seal into its groove on the cleanable water chamber.
2. Reinsert the tub plate by slotting its feet into the catches.
3. Reassemble the catch by lifting up and over the water chamber and
then pushing down to lock into place.
4. Reinsert the spill guard into the water chamber recess and push down
to fit firmly into place.
Reassembling your humidifier
Refer to illustration K on page 2.
Reassemble the parts when they are clean and dry.
1. Align the cover seal to the guides on the cover and press along the
edges to ensure it is fitted properly.
2. Put one cover arm into its pivot point on the docking station and
gently flex the other arm into its corresponding point. The cover
should be able to open and close freely while securely attached to the
docking station.
3. Replace the water chamber in the Humidifier docking station.
Servicing
The Humidifier should be inspected by an authorised ResMed Service
Centre five years from the date of manufacture. Prior to this, the device
is intended to provide safe and reliable operation provided that it is
operated and maintained in accordance with the instructions provided
248676.indd 4
by ResMed. Warranty details are provided with the device at the time of
original supply. As with all electrical devices, if any irregularity becomes
apparent, you should exercise caution and have the device inspected by
an authorised ResMed Service Centre.

Technical Specifications

Maximum heater plate
temperature
Temperature cut-out
Maximum gas temperature
Power supply
Operating temperature
Operating humidity
Operating altitude
Storage and Transport
Temperature
Storage and Transport
Humidity
Electromagnetic
compatibility
Symbols which appear on the device
Caution; Read instructions before use;
Class II equipment; Do not touch;
Humidifier control;
Manufacturer; European Authorised Representative;
Environmental Information This device should be disposed of
separately, not as unsorted municipal waste. To dispose of your device,
you should use appropriate collection, reuse and recycling systems
available in your region. The use of these collection, reuse and recycling
systems is designed to reduce pressure on natural resources and prevent
hazardous substances from damaging the environment. If you need
information on these disposal systems, please contact your local waste
administration. The crossed-bin symbol invites you to use these disposal
systems. If you require information on collection and disposal of your
ResMed device please contact your ResMed office, local distributor or go
to www.resmed.com/environment.

Humidifier Performance

The following settings have been tested at 22
conditions:
CPAP Mask RH Output%
Pressure
cm H O
Setting 3
2
4 >95
10 >85
20 >75
* AH - Absolute Humidity in Mg/L
** BTPS - Body Temperature Pressure Saturated
General Warnings
A warning alerts you to possible injury. Specific warnings and
cautions appear next to the relevant instructions in the manual.
• Use the Humidifier only for its intended use as described in this
manual.
• Make sure that the water chamber is empty before transporting the
Humidifier.
• The Humidifier is designed only for use with specific ResMed PAP
devices. Do not use the Humidifier with any other PAP device.
4
85°C
93°C
41°C
100-240V 50/60Hz, 0.7-1.6A; 110V 400Hz,
0.8A Instantaneous power consumption:
<400W Average power: <115W
+5°C to +35°C
10–95% non-condensing
Please refer to your CPAP, bilevel or non-
invasive ventilation device user guide
-20°C to +60°C
10–95% non-condensing
Please refer to your flow generator user's
manual for details
Type BF Applied Part;
Hot surface;
Maximum water level;
°C, 40% RH ambient
Nominal System Output
AH*, BTPS **
Setting 6 Setting 3 Setting 6
>95 16 20
>95 14 18
>85 13 16
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