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1F83-277 1F83-277
1F83-277 1F83-277 1F83-277
Heating & Air Conditioning
Non-programmable, Auto Changeover, Multi-Stage/Heat
Pump Thermostat
INSTALLATION INSTRUCTIONS INSTALLATION INSTRUCTIONS INSTALLATION INSTRUCTIONS INSTALLATION INSTRUCTIONS INSTALLATION INSTRUCTIONS
Operator: Save these instructions for future use! Operator: Save these instructions for future use! Operator: Save these instructions for future use! Operator: Save these instructions for future use! Operator: Save these inst
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MOUNTING AND WIRING MOUNTING AND WIRING MOUNTING AND WIRING MOUNTING AND WIRING MOUNTING AND WIRING CAUTION ! WARNING ! Take care when securing and routing wires so they do Take care when securing and routing wires so they do Take care when securing and routing wires so they do Take care when securing and routing wires so they do Take care when securing and routing wires so they do not short to adjacent terminals or rear of thermostat. not short to adjacent terminals or rear of thermostat. not s
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WIRING DIAGRAMS WIRING DIAGRAMS WIRING DIAGRAMS WIRING DIAGRAMS WIRING DIAGRAMS NOTE Polarity must be observed. If the HOT side of the second transformer is jumpered to the COMMON side of the first transformer a short will be made. Damage to equipment will occur when power is restored. E/W1 THERMOSTAT O B Y2 Y1 G W2 C L R SYSTEM Limit or Safety Limit or HOT Switches Safety Reversing 24 VAC 120 VAC Emergency Switches SYSTEM Valve Reversing 2nd Stage Fan or 1st Aux. MONITOR NEUTRAL Energized in
Summary of the content on the page No. 4
Multi-Stage Terminal Outputs Multi-Stage Terminal Outputs Multi-Stage Terminal Outputs Multi-Stage Terminal Outputs Multi-Stage Terminal Outputs Refer to equipment manufacturers' instructions for specific one transformer. If transformer safety circuits are in only one of system wiring information. the systems, remove the transformer of the system with NO safety circuits. If required, replace remaining transformer with You can configure the thermostat for use with either multi-stage a 75VA Class
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OPERATION OPERATION OPERATION OPERATION OPERATION Before you begin programming your thermostat, you should be familiar with its features and with the display and the location and operation of the thermostat buttons. Your thermostat consists of two parts: the thermostat cover and the base. To remove the cover, pull it straight out from the base. To replace the cover, line up the cover with the base and press until the cover snaps onto the base. The Thermostat Buttons and Switches The Thermostat B
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CONFIGURATION MENU CONFIGURATION MENU CONFIGURATION MENU CONFIGURATION MENU CONFIGURATION MENU Press the System button until OFF OFF OFF i OFF OFF s displayed, then press the and simultaneously INSTALLER/CONFIGURATION MENU INSTALLER/CONFIGURATION MENU INSTALLER/CONFIGURATION MENU INSTALLER/CONFIGURATION MENU INSTALLER/CONFIGURATION MENU Press Press Press Press Press Displayed Displayed Displayed Displayed Displayed Press Press Press Press Press or or or or or Step Step Step Step Ste
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CONFIGURATION MENU CONFIGURATION MENU CONFIGURATION MENU CONFIGURATION MENU CONFIGURATION MENU While the keypad is locked out, a simultaneous press of the 12 & 13) Keypad Lockout Keypad Lockout Keypad Lockout – This menu selection will display Keypad Lockout Keypad Lockout temperature and will enter the menu item from any lock lock lock lock lock icon. The and are used to toggle the function and mode instead of only OFF mode OFF mode OFF mode OFF mode OFF mode. When the menu is display the l
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TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING Reset Operation Reset Operation Reset Operation Reset Operation Reset Operation If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation, you can reset the thermostat by removing the wires from terminals R and C and removing batteries for 2 minutes. After resetting the thermo- stat, replace the wires and batteries. If the thermostat has been reset and still does not functio
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TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING Possible Cause Possible Cause Possible Cause Possible Cause Possible Cause Corrective Action Corrective Action Corrective Action Corrective Action Corrective Action Symptom Symptom Symptom Symptom Symptom Thermostat Setting & Thermostat Setting & Thermostat Setting & Thermostat Setting & Thermostat Setting & 1.Thermostat thermometer setting The thermometer can be adjusted +/- 3 degrees. requires adjustment. See Tempe
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