11
Night shut-down button (17)
The night shut-down function is a convenient function
that lets the room temperature rise gradually which has
health benefits. One hour after this function has been
activated, the selected temperature is increased by 1 °C
per hour. The fan of the indoor unit runs at low speed to
keep the noise level to a minimum.
1. Set the period of operation of the night shut-down
function by pressing the buttons (8) and (9) .
Depending on the selection, the displays shows:
1:hr, 2:hr, 3:hr, 4:hr, 5:hr, 6:hr, 7:hr or 9:hr .
2. Press the button (17) again to confirm your selec-
tion.
After the set time has elapsed, the unit switches off.
3. Press the (17) button to deactivate the night shut-
down function.
G
If no button is pressed for 30 seconds, the configu-
ration menu is automatically exited and program-
ming must be started from the beginning.
Configuring the remote control for cooling mode:
1. Insert the batteries into the remote control but do not
switch it on yet.
2. Connect the unit to the power supply and switch the
power on.
M
M
System configuration
These units are configured at the production site as
heat pumps. This preinstalled configuration must be
changed when the units are installed in a cooling sys-
tem. This change is made as follows:
Configuring the device as a cooling unit:
1. Check all electrical connections.
Follow the instructions and wiring diagrams.
2. Insert the batteries into the remote control but do not
switch it on yet.
3. Connect the unit to the power supply and switch the
power on.
4. Press down the buttons (6) and (13) on the re-
mote control for 5 seconds.
The display is deleted. The time display shows the
first configuration entry “rAdr“, the temperature dis-
play shows the preset value of this configuration en-
try “Ab“ (regulation of both indoor units).
5. Press the button (6) repeatedly until “UCFG“ ap-
pears on the display.
6. Press either the button (8) or (9) to change the
preset from heating pump “HP“ to air-conditioning
unit “AC”.
7. Press the button (13) to transfer the new configu-
ration to the unit and then press the button (7) to
exit the configuration menu.
You can find further options for configuring the unit in
Table I.
Time
display
Temperature
display
Description
“rAdr“
“A“
Address indoor unit A
“b“
Address indoor unit B
“Ab“
Address for both indoor units
Preinstalled setting
“UCFG“
“HP“
Setting as heat pump
Preinstalled setting without function
“AC“
Setting as an air-conditioning unit
“A St“
“OF“
Unit shut-down after power supply
interruption
“On“
Automatic restart after power supply
interruption
Table I: Unit configuration
Temperature
display
Time
display
Description
“CH“
“A“
Address indoor unit A
“b“
Address indoor unit B
“Ab“
Address for both indoor units
“tU“
“C“
Temperature unit degrees Celsius
Preinstalled setting
“F“
Temperature unit degrees Fahren-
heit
”rc“
“HP“
Setting as heat pump
Preinstalled setting without function
“AC“
Setting as an air-conditioning unit
“CR“
“17-32“
Temperature range cooling in °C
min. and max.
“63-90“
Temperature range cooling in °F
min. and max.
“CL“
“12:12“
Time format 12 hour clock (AM/PM)
Preinstalled setting
“24:24“ Time format 24 hour clock
Table II: Remote control configuration
M
3. Press down the buttons (6) and (13) on the re-
mote control for 5 seconds.
The display is deleted. The temperature display
shows the present value of this configuration entry
“CH”, The time display shows the present value of
this configuration entry “Ab” (regulation of both in-
door units).
4. Press the (6) button repeatedly until (rc) appears
on the display.
5. Press either the button (8) or (9) to change the
preset from heat pump “HP“ to air-conditioning unit
“AC“.
6. Press the button (13) to transfer the new configu-
ration to the unit and then press the button (7) to
exit the configuration menu.
You can find further options for configuring the unit in
Table II.
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