Honeywell T8411R user manual

Summary of the content on the page No. 1

T8411R Electronic
Heat Pump Thermostat
INSTALLATION INSTRUCTIONS
The T8411R Heat Pump Thermostat provides 24V
control of two-stage heating and one-stage cooling heat
CAUTION
pump system with manual changeover from heat to cool.
Electrical Shock or Equipment Damage
First stage heating and cooling cycle rates are fixed at
Hazard.
3 cph. Second stage heating cycle rate is selectable at
Can shock individuals or short equipment
3, 4, 5, 6, 9 or 12 cph. Temperature indication can be set
circui

Summary of the content on the page No. 2

T8411R ELECTRONIC HEAT PUMP THERMOSTAT YES NO NO 5 FEET [1.5 METERS] NO M11338 Fig. 1. Typical location of thermostat. The shape of the terminals permits insertion of straight or wraparound wiring connections; either method is acceptable. See Fig. 3. WALL WALL ANCHORS (2) 1 FOR STRAIGHT INSERTION TERMINAL STRIP 5/16 IN. (8 MM) SCREW FOR WRAPAROUND STRIP 7/16 IN. (11 MM) G L C MOUNTING WALLPLATE W2 SCREWS (2) R 1 WHEN USING WALL ANCHORS, DRILL 3/16 INCH E HOLES FOR DRYWALL, 7/32 INCH HOLES F

Summary of the content on the page No. 3

T8411R ELECTRONIC HEAT PUMP THERMOSTAT Refer to Fig. 5 for typical wiring hookups. A letter code is KEEP WIRING IN located near each terminal for identification. SHADED AREA 1. Loosen the terminal screws on the wallplate and connect the system wires. See Fig. 5. 2. Securely tighten each terminal screw. G 3. Push the excess wire back into the hole. L 4. Plug the hole with nonflammable insulation to pre- vent drafts from affecting the thermostat. C W2 Mounting Thermostat to Wallplate R 1. Engage

Summary of the content on the page No. 4

Auto On Auto On SYSTEM Auto On Cool Off Heat Em Ht SYSTEM FAN Cool Off Heat Em Ht FAN FAN Cool Off Heat Em Ht Em Ht Aux Ht Set Room SYSTEM Em Ht Aux Ht Em Ht Aux Ht Set Room Set Room T8411R ELECTRONIC HEAT PUMP THERMOSTAT FAN Switch DASHED LINES INDICATE TABS Fan switch settings are: ON BACK OF THERMOSTAT On: The fan runs continuously. Use for improved air circulation and air quality. Auto: Normal setting for most homes. The fan starts and stop

Summary of the content on the page No. 5

T8411R ELECTRONIC HEAT PUMP THERMOSTAT 2. Press the ▲▼ keys simultaneously for more than Set Temperature Setpoint one second to light all segments on display and to enter installer setup mode. When the keys are NOTE: Temperature setpoint range is 40° to 99°F (4° to released, a two-digit software revision code is dis- 39°C). played. The temperature setpoint and the room temperature are shown separately on the digital display. The ▼ indicator points to Set when the temperature setpoint is di

Summary of the content on the page No. 6

T8411R ELECTRONIC HEAT PUMP THERMOSTAT 5. Press the ▼ key to change the °C or °F indication. 10. Press the ▲ key to save all changes, exit installer setup mode and return to normal operation. NOTE: After exiting installer setup mode, change the setpoint to the desired room temperature. M14689 NOTE: Stage-one heat and cool cycle rates are fixed at 3 cph. Only stage-two heat cycle rates are CHECKOUT selectable. 6. Press the ▲ key to display the heat cycle rate of 3, Heating 4, 5, 6, 9 or 12.