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Document No. 125-703
Operator Interface Guide
September 19, 2017
NOTE: The Room Unit (Firmware Revision 016 or
lower) will stop updating ROOM TEMP, RM
STPT, and OVRD if a passkey or laptop cable
is connected to the Room Unit. This issue will
affect the normal commissioning process,
because the Specialist cannot leave the HMI
cable connected to the Room Unit to monitor
the TEC's control. This affects all Series 2200
and 3200 models.
Furthermore, if the TEC is initialized, power is
cycled (which has the same effect as
initializing the TEC) or the Application
(subpoint 2) is commanded to another value,
the following will occur:
· The RM TEMP will read and control to 57°F
(12°C).
· The RM STPT with read and control to 98°F
(37°C).
Once the passkey or HMI cable or passkey is
disconnected, the ROOM TEMP will update
within 10 seconds. The RM STPT will not
update until the setpoint setting is changed on
the Room Unit or until the Room Unit cycles
power.
The Room Unit (Firmware Revision 029 or
higher) in combination with new release TEC
products ROOM TEMP, RM STPT, and OVRD
will be updated if a passkey or laptop cable is
connected to the Room Unit, but the buttons
will not work. New release TEC Products Use
a SENSOR SEL point that allows the TEC to
see all inputs from the Digital Room Sensor,
the default setting does not allow the TEC to
see the points.
Set-up of Displayed Temperature
Units
The factory default for displayed temperature units is
°F. To change the display to °C mode, snip the wire
jumper on the back of the PCB (the visible side when
the unit is taken off the wall).
Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and models
as design improvements are introduced. Product or company names mentioned herein may be the trademarks of their respective owners.
© 2017 Siemens Industry, Inc.
Siemens Industry, Inc.
Building Technologies Division
1000 Deerfield Parkway
Buffalo Grove, IL 60089-4513
USA
+1-847-215-1000
Error Messages
Message
NO TEC
NO
SENSOR
0xx
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Figure 3. Jumper Location.
Meaning
No communication with TEC. This error will
display on the lower right (icon) section of
the display, and the upper portion of the
display should continue to display
temperature values (and/or humidity and
CO
values where applicable).
2
Or a bad crimp on the RJ11 cable
connection.
NOTE: This error will display whenever
TEC subpoints are not available or when
the TEC (or its subpoints) are not
responding to commands. The default HMI
baud rate on the TEC is 1200, but the
room unit baud rate is self-adjusting.
No temperature (or humidity or CO
applicable) sensor detected on the PCA.
This error will display until the error is
corrected. This message might also
display if the wrong controller-to-room unit-
cable is used or if the replacement sensor
element is incorrectly installed on the PCA.
Room unit firmware revision, where X is a
number between 0 and 9. For Room Units
(Revision 016 and lower) this is visible
upon power-up for a few seconds until
communication is established with the TEC
or ATEC. For Revision 029 and higher, this
is visible for a few seconds upon power-up
and when the laptop cable is disconnected.
where
2
Document No. 125-703
Printed in the USA
Page 4 of 4
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