Maintenance
Climate 5000 L • Climate 5000i U/L – 6721841496 (2024/06)
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The function is not available in dehumidification mode and Fan Mode.
3.9.5 Wireless control function
The purpose of this function is to establish a connection via WLAN.
To connect to WLAN an IP-Gateway (optional accessory) must be
installed.
NOTICE
For TWIN installation, an IP gateway is sufficient for the master unit. No
gateway is required for the slave unit.
3.9.6 Keylock
The keys of the wired room controller can be locked with the keylock.
To switch the keylock on or off:
▶ Press/keep the TIMER and COPY keys pressed simultaneously for
three seconds.
The symbol appears in the display when the keylock is active.
3.9.7 Follow me function (Follow Me)
This function activates the temperature sensor of the wired room
controller. The room temperature is measured at the position of the
wired room controller instead of at the indoor unit.
▶ Switch off heating or cooling mode if required.
▶ Press the FUNC. key to switch the function on or off.
When the function is active the wired room unit displays the
symbol.
▶ Confirm with key.
3.9.8 Setting the Rotation and Back-up function
The Rotation function can only be activated if two indoor units are
connected to one wired room controller (Twin installation). The Rotation
function switches indoor units on or off alternately.
▶ Press the FUNC. key repeatedly until the symbol appears.
▶ Press the key to switch on the Rotation function.
▶ Press the . or / key to set the period that must elapse (0 - 99
hours) before the indoor units rotate.
Default setting: the indoor units rotate every 10 hours.
▶ Confirm with key.
▶ Press the . or / key to set the maximum temperature:
– 26... 32 °C: once the set temperature has been reached, both
appliances are switched on in cooling mode. The Rotation
function is interrupted until 24 °C has been reached.
– --: no maximum temperature to interrupt the Rotation function.
▶ Confirm with key.
▶ Press the . or / key to adjust the lowest temperature.
– 5... 15 °C: once the set temperature has been reached, both
appliances are switched on in heating mode. The Rotation
function is interrupted until 24 °C has been reached.
– --: no lowest temperature to interrupt the Rotation function.
▶ Confirm with key.
▶ Define which indoor unit switches on first (A or B).
▶ Confirm with key.
While the Rotation function is active, the indoor units operate
alternately, starting with indoor unit A or B.
To change the indoor unit early:
▶ Press the K key.
If an indoor unit drops out, the respective A/B symbol flashes in the
display. The other indoor unit automatically takes over the operation.
4 Maintenance
CAUTION
Danger due to electric shock or moving parts
▶ Disconnect the power supply before carrying out any maintenance
work.
▶ Have any maintenance steps that are not listed here carried out by an
approved installer.
4.1 Replacing the batteries
You require 2 size AAA batteries. Using rechargeable batteries is not
recommended.
▶ Remove the battery cover ( Fig. 7).
▶ Insert new batteries, ensuring correct polarity.
▶ Reinstall the cover.
4.2 Cleaning
NOTICE
Damage to device due to incorrect cleaning!
▶ Do not directly splash or pour water onto them.
▶ Do not use hot water, thinner, abrasive powders or strong solvents.
▶ Clean control unit by wiping with a soft cloth.
▶ Only have the indoor and outdoor units cleaned or serviced by an
approved installer.
4.3 Cleaning the air filter
NOTICE
The air filter may deform in direct sunlight.
▶ Do not expose the air filter to direct sunlight.
Check the air filter every 2 weeks and clean if necessary. Always clean
before and after decommissioning for longer periods.
▶ Switch off the indoor unit.
▶ Pull out the air filter ( Fig. 8).
▶ Wash the air filter with hot water and a mild cleaning agent and dry in
the shade.
4.4 When re-commissioning after decommissioning
for an extended period
4.4.1 Maintenance before decommissioning for an extended
period:
▶ Clean the air filter of the indoor unit.
▶ Leave the fan of the indoor unit running for approx. 24 h in Fan Mode
to allow the inside of the appliance to dry.
▶ Switch off the indoor unit and disconnect it from the power supply.
▶ Protect the devices from dust.
▶ Check the outdoor unit at regular intervals. Contact customer service
or an authorised service engineer if a fault occurs.
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