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SMART TEMP SMT-131 Hotel Touchscreen Thermostat User Manual

The pipe sensor needed for 2 pipe mode is the RS-1d sensor - available as an optional part from  
Smart Temp or an authorised distributor.  
Klixon Mode / 2 pipe  
The SMT-131 Heat and Cool mode can be changed by a remote manual mechanical switch or an  
automatic Klixon switch if required. ( A klixon switch is a mechanical temperature switch typically  
placed on a water pipe and use to detect water temperature, therefore selecting the correct  
thermostat mode based on the temperature of water in a fan coil).  
To activate Klixon mode  
1
2
3
4
Place a Klixon switch (or mechanical switch) between the DI and Com input.  
Turn On DIP switch 4 (Two pipe Mode = ON).  
Turn On DIP switch 6 ( Klixon mode = ON).  
Enter the installer menu and select option 2 (Klixon Mode) in menu item 29.  
The SMT-131 will automatically change Installer Option 1 to function 2 (manual change over  
mode). The user will therefore only be permitted to turn the thermostat On or Off, adjust set  
temperature and fan modes (if applicable)  
By default, heating mode will be selected if the switch is closed, and cooling mode will be selected  
if the switch is open. Should you wish to reverse this input logic adjust Installer Option number  
40.  
Ancillary Functions  
The SMT-131 has several additional capabilities such as communications with Building  
Automation systems via its Modbus communications port. The SMT-131 will automatically control  
temperature set points based on occupancy of the room when a suitable door switch and  
movement sensor is fitted. The SMT-131 can even automatically shut down the air conditioning  
system if balcony doors or windows are left open when the optional door / window switch are  
fitted.  
When you wish indication of the room status and an integrated doorbell from the hall way  
outside the room, the SMT-131 can be fitted with the optional “HOT-243” hall panel.  
Complete System Overview  
The SMT-131 is the hub of  
a
compressive room comfort and  
energy control system. As shown in  
the picture the SMT-131 accepts  
door, window and PIR contact  
inputs to automatically control  
temperature set points. The HOT  
243 wall controller mounted in the  
hallway outside of the room  
provides feedback of the guests  
needs to housekeeping plus  
provides  
a
convenient button to  
Page 9  
 
GeneralDetails
NameSMART TEMP SMT-131 Hotel Touchscreen Thermostat User Manual
MakeSMART TEMP
LanguageEnglish
FiletypePDF (Download)
File size0.34 MB
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SMART TEMP SMT-131 Hotel Touchscreen Thermostat User Manual