Emerson 850 manuals
Household Appliance > Thermostat
When we buy new device such as Emerson 850 we often through away most of the documentation but the warranty.
Very often issues with Emerson 850 begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Thermostat Emerson 850 is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Thermostat on our side using links below.
Emerson 850 Installation Instructions
8 pages 228.97 Kb
Installation Instructions for Heating & Cooling Digital Model 8505/1/1 Day Programmable Thermostat CONTENTS PREPARATIONS THERMOSTAT DETAILS REMOVING OLD THERMOSTAT CAUTION !PART NO. 37-6295B YOUR THERMOSTA T REPLACES MOUNTING AND WIRING 2 CAUTION !REMOVING OLD THERMOSTATCONTINUED FROM FIRST PAGE WARNING !Electric Heat or Single Stage Heat Pump Systems Hydronic (Hot Water or Steam) Heating Systems Attach Thermostat Base to Wall Battery Location 3 MOUNTING AND WIRING24 VAC 120 VAC RH RC TRANSFORMER RH Relay CONTINUED FROM SECOND PAGEThe 24 Volt neutral connection to terminal C on the THERMOSTAT SYSTEM Figure 2. Typical wiring diagram for heat only, 3-wire, single transformer systemsHeating System Fan Relay NOTE Figure 3. Typical wiring diagram for cool only, 3-wire, single transformer systemsCooling System FanY 24 VAC 120 VAC Hot Neutral THERMOSTAT SYSTEM Figure 4. Typical wiring diagram for heat/cool, 4-wire, single transformer systemsHeating System Fan Relay Cooling System NOTEY 24 VAC 120 VAC Hot Neutral THERMOSTAT SYSTEM Figure 5. Typical wiring diagram for heat/cool, 5-wire, two-transformer systemsHEATING TRANSFORMER Heating System Fan Relay Cooling SystemRC Hot Neutral COOLING TRANSFORMER OBC THERMOSTAT SYSTEM Figure 6. Typical wiring diagram for heat pump with reversing valve energized in COOLReversing Valve* Compressor Contactor Fan Relay THERMOSTAT SYSTEM Figure 7. Typical wiring diagram for heat pump with reversing valve energized in HEATReversing Valve* Compressor Contactor Fan Relay The Display Fan Operation Heating System Cooling System The Thermostat Buttons and Switches 4 CAUTION !6 PROGRAMMING YOUR THERMOSTA TEntering Your ProgramSet Current Time and Day CONTINUED FROM FIFTH PAGE Enter Heating Program Symptom Possible Cause Corrective Action 7 SPECIFICATIONSTROUBLESHOOTINGEnter Cooling Program Check Your Programming PROGRAMMING YOUR THERMOSTA TCONTINUED FROM SIXTH PAGE Symptom Possible Cause Corrective Action 8 TROUBLESHOOTINGCONTINUED FROM SEVENTH PAGE
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