Page 2 - REMOVE OLD THERMOSTAT; Figure 1. Thermostat base and terminals; INSTALLATION; ATTACH BASE TO WALL; ” pilot holes, and install; Mounting screws
ATTENTION! This product does not contain mercury.However, this product may replace a unitwhich contains mercury. Do not open mercury cells. If a cell becomesdamaged, do not touch any spilled mercury.Wearing non-absorbent gloves, take up thespilled mercury with sand or other absorbentmaterial and pla...
Page 4 - RESET SWITCH; Figure 2. Switch locations on back of thermostat body; CONFIGURATION; Reset switch; SWITCHES; Figure 4. Typical Wiring for 120V Humidifier System; If you have a single stage compressor system see the diagram below.
RESET SWITCH See the Troubleshooting section at the endof this document for more information aboutthe function of this switch. E2/P SWITCH (DHM) TERMINALFUNCTION The E2/P switch is located on the back ofthe thermostat body (see fig. 2). This switchcontrols how the DHM terminal will beenergized. 1. I...
Page 5 - INSTALLER CONFIGURATION
INSTALLER CONFIGURATION BEFORE TURNING POWER ON, pleaseread the following instructions. Beforeoperating the system, you must configurethe thermostat to operate properly withyour equipment. The thermostat, as it comes from the factory,is configured to operate a standard multi-stage electric forced ho...
Page 6 - INSTALLER TABLE; a n d T I M E; a t s a m e t i m e a n d r e l e a s e t o e n t e r t h e C o n f i g u r a t i o n M e n u .; Returns to Normal Operation.; Step; and
INSTALLER TABLE N O T E : Y o u m u s t b e i n t h e U s e r C o n f i g u r a t i o n M e n u t o e n t e r t h e I n s t a l l e r T a b l e . F i r m l yp r e s s T I M E FWD a n d T I M E BACK a t s a m e t i m e a n d r e l e a s e t o e n t e r t h e C o n f i g u r a t i o n M e n u . 6 1 ML...
Page 7 - Lockout Bypass Option; HEATING; Shorter
These numbers are approximate and represent operation with a typical system. Actual temperature differentials andrun times may vary widely based on your building and equipment, as well as outdoor temperature conditions. COMPRESSOR OFF DELAY Installer table, step 11 is available if thefossil fuel kit...
Page 8 - SERVICE REMINDER; Set Humidifier Maintenance Reminder.; Service Button Menu
The Service Button Menu allows you to view or program as many as 4 reminders that indicate when service is required.1. Humidifiers = A programmable run time in hours to indicate on the LCD when the humidifier will need to be serviced.2. Air Filters = A programmable run time in hours to indicate on t...
Page 9 - TROUBLESHOOTING; until FAN ON is displayed.; to the; CHECK THERMOSTAT OPERATION; PROGRAM; to; Thermostat Does Not Follow Program; Check current clock and program settings including
TROUBLESHOOTING FAN OPERATION If your system does not have a G terminalConnection, skip to HEAT/HUMIDITYsection below. 1. Turn power on to the system.2. Press PROGRAM RUN . 3. Press FAN until FAN ON is displayed. The fan should begin to operate. 4. Press FAN until FAN AUTO is displayed. The fan shou...
Page 10 - No Heat
Symptom Possible Cause Corrective Action No Heat/No Cool/No Fan 1. Blown fuse or tripped circuit breaker. Replace fuse or reset breaker. (Common Problems) 2. Furnace power switch to OFF. Turn switch to ON. 3. Furnace blower compartment door or Replace door panel in proper position to engage panel lo...
Page 11 - Thermostat Setting and Thermostat; Thermostat thermometer setting requires; Thermometer Disagree; These indicators can be reset or modified in the; or; FAQs; What is the thermostat Click Test?
Symptom Possible Cause Corrective Action Thermostat Setting and Thermostat 1. Thermostat thermometer setting requires The thermometer can be adjusted +/- 5 degrees. Thermometer Disagree adjustment. See Temperature Display Adjustment in theOperating Manual under Configuration. Thermostat Display Show...