Instructions / Assembly
 REV.9/27/05 Page 1 of 7 
I 
 TS-3 
INSTALLATION AND OPERATING INSTRUCTIONS 
INTRODUCTION 
This TS-3 wired wall thermostat was developed to provide a safe, reliable control system for gas heating appliances. The system can 
be operated thermostatically or manually from the wall unit. 
WALL MOUNT THERMOSTAT 
The TS-3 wired thermostat operates on (2) 3V Button Cell (Included) which powers the LCD screen 
and circuit board. Before using the TS-3 wall thermostat the 3V batteries must be installed into the 
battery compartments. 
It is recommended that CR2032 lithium batteries always be used for longer battery life and 
maximum operational performance. If the LCD screen will not come on, check the 3V Button Cell 
battery. 
TO INSTALL BATTERIES IN THE THERMOSTAT 
1.  Remove face from backing wall plate this is done by sliding the face up about 1/2” then pull the face off the base plate. As 
shown in Figure #1 
2.  Locate the (2) holders for the 3V button cell batteries. 
3.  Slide the button cell batteries into the battery holders. (Make sure that the batteries are installed with the (+) plus side facing 
you or up. 
4.  Reinstall the face to the backing plate this is done by sliding the face in and down about 1/2” then check that the (2) male  
terminal connectors on the face are engaged in the female terminal connectors on the backing plate . As show in Figure #1 
TO REMOVE THE BATTERIES FROM THE THERMOSTAT
1.  Remove face from backing plate this is done by sliding the face up about 1/2” then pull the face off the base plate. As shown in 
Figure #1 
2.  Locate the (2) holders for the 3V button cell batteries. 
3.  Insert a small screwdriver into the slot above the button cell battery and push the battery out. As shown in Figure #2 
4.  Reinstall the face to the backing plate this is done by sliding the face in and down about 1/2” then check that the (2) male  
terminal connectors on the face are engaged in the female terminal connectors on the backing plate. As show in Figure #1 
Figure #1  Figure #2 
IF YOU CANNOT READ OR UNDERSTAND THESE INSTALLATION INSTRUCTIONS DO NOT
ATTEMPT TO INSTALL OR OPERATE 
ROOM
TEMP
THERMO
 MODE
“SET”
ON
SET
OFF
LCD
DISPLAY
ON/UP
BUTTON
OFF/DOWN
BUTTON
SET
BUTTON
(2) 3 Volt Button
Cell Batteries
Battery Removal
Slots
 +
Plus
Side
 +
Plus
Side
ROOM
TEMP
ON
OFF
SET







