User Manual
Page 3
Introduction
The Smart Temp SMT-131 thermostat has been designed for use in hotel rooms, guest
accommodation and locations where the user will require a thermostat that is simple to use.
Further, given the nature of the hospitality industry in general it is important that the thermostat
be robust, flexible in function and attractive. The SMT-131 thermostat has been designed with
these important goals is mind.
The SMT-131 also offers advanced energy conservation features such as set point limit control,
automatic un-occupied heating and cooling settings as well as Modbus RTU communications for
integration with the “Building Automation System” (BAS) or “Hotel Check In” system. Additionally,
the SMT-131 seamlessly interfaces with the Smart Temp OC-3D occupancy detection system and
HOT-242 “Door Station” system for added functionality.
Thermostat operation
The SMT-131 is an extremely simple
thermostat to operate and has been
designed to not require a user manual.
The diagram to the left shows all LCD
elements and the 7 buttons (Up / Down /
Make Up Room / Do Not Disturb / On – Off
(mode) / Fan Mode / Deg C-F Select.
Depending on switch and installer menu
settings not all LCD segments or buttons
maybe shown.
On/Off (Mode)
Tap the On/Off button to turn the thermostat On or Off and if permitted to select heat only or
cool only mode. (To ensure the simplest user operation on/off only Mode is set as default).
Note - for simplicity - If the thermostat is OFF by simply touching the thermostat display will turn
it on.
Set Temperature
Adjust the target temperature with the Up or Down button. The range of temperature
adjustment can be limited with the installer setting “heat and cool limit setting”. (See page 16)
Fan
Single fan speed mode (Sw1= Off) (See Dip switch settings page 5)
Tap the fan button to cycle between auto fan and continuous fan mode.
Three fan speed mode (Sw1= On) (See Dip switch settings page 5)
Tap the fan button to cycle between low, medium, high and auto fan speeds. Press and hold the
fan button to turn the fan on continuously.