3.1.3 Display symbols
The following table lists displayed symbols and their meaning. Grouping matches
the aforementioned arrangement.
Table of symbols
Symbol Meaning Symbol Meaning
Operating level
Function block navigation
Info level D1, D2 Digital inputs D1, D2
None Setting level
X1…X5 Analog inputs X1…X5
Access level
1
Controller 1 (or controller 2)
SERVICE
Service level
MODE
Operating mode
PASS
Password level
Frost protection FB
Menus
Pump FB
COMMIS
Commissioning
Analog output FB
APPL ID
Basic configuration
Heat recovery FB
TEST
Wiring test
Step switch FB
INFO
Inputs/outputs
3P
3-position output FB
CONF
Extra configuration
Instances
PARA
Settings 1 Instance 1
SET
Setpoints (adjustable) 2 Instance 2
Measured variables, operating
modes
3 Instance 3
Outside temperature LIN Linear step switch
Room temperature BIN Binary step switch
Supply air temperature
Units
Fault
°F
Degrees Fahrenheit
Room operating mode
Comfort
°C
Degrees Celsius
Room operating mode
Economy
K
Kelvin
Protection
%
Percent
Navigation
Miscellaneous
Navigate UP or + value SET Adjustable value
Navigate DOWN or – value
User level is active when neither service level symbol nor password level symbol is
displayed.
Note on access level
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Siemens Universal Controllers RLU2… CE1P3101en
Building Technologies Operation 29.08.2008
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