3. Remove the spring retaining ring.
4. Remove the filter.
5. Inspect and clean the filter. Replace it if necessary.
6. Remount the filter.
7. Tighten the connection.
8. Open the valve on the exchanger.
11.4.2 Replacing the battery in the control panel
If the indoor unit is switched off, the control panel battery takes over to
keep the correct time.
The battery must be replaced when the time is no longer saved.
1. Remove the front panel by pulling firmly upwards.
2. Tilt the control panel support forwards.
Important
Keep a good hold of the control panel bracket in order not to pull
out or disconnect the electrical connections in the control panel.
3. Remove the battery located in back plate of the control panel by
pushing it gently forwards.
4. Insert a new battery.
Important
Battery type:
CR2032, 3V
Do not use rechargeable batteries.
Do not discard used batteries in the dustbin. Take them to an
appropriate collection place.
5. Re-assemble everything.
Fig.123 Removing the retaining ring and the
filter
MW-L000333-1
3
4
Fig.124 Accessing the back of the control
panel
MW-3000547-01
2
Fig.125 Remove the battery
MW-5000165-1
11 Maintenance
106
AWHP-2 iMPI
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