Desa EFS10TNA Owner's Operation And Installation Manual

Also see for EFS10RNA: OWNER'S OPERATION AND INSTALLATION MANUAL

Contents

www.desatech.com 112462-01B22INSTALLATIONContinuedOPTIONAL WALL MOUNTEDTHERMOSTAT - GWMT1(Remote-Ready Models Only)WARNING: Read and followinstallation instructions. Instal-lation should be done by a quali-fied installer familiar with low-voltage wiring procedures.WARNING: Do not connectthis thermostat to any electricalsource! Electrical shock and/orfire hazard will occur.1. Disconnect jumper wire from control valve(see Figure 32).2. Connect one terminal of 25 ft. wire to "TPTH"terminal on control valve (see Figure 32).3. Connect remaining wire terminal to the “TH”terminal on the control valve. Make sure thatwire terminals are in the positions on your unitas pictured in Figure 32.4. Route the 25 ft. wire to a convenient locationto mount your thermostat (no outside wall).IMPORTANT: The wire may be shortened butmust not be lengthened.The thermostat should be mounted 54" abovethe floor in a location where there is good aircirculation. Avoid heat sources such as lamps,direct sunlight, fireplace, or heat and air con-ditioning ducts.5. Gently remove the cover of the thermostatfrom the base. Grasp the sides of the coverfirmly and pull to separate from the base.6. Feed the electrical wires through the rectangu-lar slots on each side of the base (see Figure 33).WARNING: Do not connectthe thermostat to a powersource. Electrical shock and/ora fire hazard will occur.6. Connect one bare wire end to each terminal(“W” and “R”) of the thermostat base (seeFigure 34).7. Install the base onto the wall with the pro-vided screws.Figure 32 - Connecting Wire TerminalsOne terminalof 25 ft. wireControlValveJumper Wire8. Move the temperature adjustment back and forthto insure the bimetal is free from restrictions.9. Replace the cover onto the base. (Upon in-stallation, the thermostat must be allowed tostabilize at room temperature for a minimumof 30 minutes for proper operation).10. Set switch on fireplace to Auto position.11. Set the temperature adjustment to the desiredsetting. This thermostat has been electroni-cally calibrated at the factory. No adjustmentor leveling is necessary.Figure 33 - Back View of ThermostatBaseFeed wires through rectangular slotsWRFigure 34 - Thermostat Base Terminals“W” and “R”Terminal “W”Terminal “R”