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Siemens Building Technologies
Status displays
Display
Description
The data displayed apply for:
• Heat
• Cool = Cold
• Imp1 = Impulse input 1
• Imp2 = Impulse input 2
• (empty) = Displayed value is the current value
• M (Memory) = Value on a monthly or due date
Displayed value is a date value:
• Day = Current date
• M-Day = Date applies for a saved annual or monthly value
Displayed value is a checksum:
• Check = Checksum refers to the current consumption value
• M-Check = Checksum is valid for a saved annual or monthly value
•
Current o available
• No energy counting -> no temperature difference
•
Current o available
• Energy counting
• IrDA communication is currently active
Operating state display
Display
Description
Measures/notes
• Communication credit
of the module interface
or IrDA exceeded
• Is eliminated after the credit period
(module = current day; IrDA = current
month) has passed
• Operating time
expired
• Device must be replaced
• Flow direction in-
correct
• Check installation
(note arrow on
o metering element
)
• Check piping
• Check recirculating pumps and
thermostats for correct function
• Temperature sensors
have been mixed up or
tted incorrectl
• Check whether
o metering element
has been tted in the right strand or
• check type of installation of tempera-
ture sensor