OPERATION
CK Premium Operation
6 | CK Plus & CK Premium www.stiebel-eltron-usa.com
6. CK Premium Operation
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1 Programming unit
2 ON/OFF switch
3 Air discharge
6.1 Programming unit
The heater is operated using the programming unit, located at
the top right front.
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1 Display
2 User interface
3 Silent mode indicator with 750 W (CK 150-1 Premium) /
1000W (CK 200-2 Premium) heating stage
6.1.1 User interface
Button Designation Description
“Standby” button
Switches on the programming unit;
Puts programming unit and heater into stand-
by mode
“OK” button
Makes selections;
Confirms settings
“Menu” button
Calls up and exits menu
“+” button
Calls up menu items;
Changes settings
“–” button Calls up menu items;
Changes settings
6.1.2 Display
If there is no user input for 20seconds, the backlight switches off.
Press any button to switch the backlight on again.
Symbols
Symbol Description
Time display:
Indicates the current time, or a programmed start time
Time program activated:
Heats in accordance with the enabled time program.
Comfort mode:
The heater maintains the set comfort temperature.
Standard comfort setting: 70 °F (21.0 °C). Use this setting for a
comfortable room temperature when someone is present.
Night mode:
The heater maintains the selected lower nighttime temperature.
Standard setting: 64 °F (18.0 °C). Use this setting at night or when
absent for several hours.
Frost protection:
The frost protection symbol is displayed if the heater’s tempera-
ture is set to 45 °F (7.0 °C).
Use this setting to protect an unoccupied room from frost dam-
age.
Adaptive start:
With a time program activated, the heater activation times are
adjusted to ensure that the appropriate set room temperature is
fully reached by the programmed start time.
Conditions: The “Adaptive start” function is enabled (see chapter
“Settings/ Standard menu”).
Window open detection:
To avoid unnecessary energy consumption while venting, the
heater automatically switches to frost protection mode for one
hour if a window is opened. The “window open detection” symbol
flashes. After venting, frost protection mode can be terminated
manually by pressing “+” or “OK”. The heater then heats to the
set room temperature again.
Conditions: Window open detection is enabled (see chapter “Set-
tings/ Standard menu”).
Operating lock:
The user interface is locked.
Heating enabled:
The unit is heating to maintain the set room temperature.
Room temperature display
Editable parameter:
The parameter shown can be changed using "+" and "–".
Days of the week:
1=Monday, 2=Tuesday … 7=Sunday
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