1F89-211 Non-programmable Electronic Digital WHITE-RODGERS Heat Pump Thermostat INSTALLATION OPERATION INSTRUCTIONS Operator: Save these instructions for future use FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY AND/OR PROPERTY DAMAGE. DESCRIPTION...
INSTALLATION REMOVE OLD THERMOSTAT Screw anchors 1. Shut off electricity at the main fuse box until installation is complete. Ensure that electrical power is disconnected. 2. Remove the front cover of the old thermostat. With wires still attached, remove wall plate from the wall. If the old thermostat has a walt mounting plate, remove the thermostat and the wall mounting plate as an assembly.
../_" SYSTEM MONITOR = Reay* I_"_',_?_,','_I SW,TCH Relay --:-' iC_mi_cor] _ (Stage ,-J'--L Changeover See No_ SYSTEM * Changeover Relay is energized in COOL when O/B switch is in the "O" position --L_J-- Neutral Changeover Relay is energized in HEAT when O/B switch is in the "B" position TRANSFORMER ** Jumper required to use a single Aux Heat for both Second Stage Heat and Emergency...
Cooling System Emergency System EMER bypasses the Heat Pump to use the heat source wired to terminal E on the thermostat. EMER is typically used when com- To prevent compressor and/or property damage, if the pressor operation is not desired, or you prefer back-up heat only. outdoor temperature is below 50°F, DO NOT operate 1.
2) Select FA or SL (Fast or Slow) Heat Pump stage Cycle higher or lower. Your thermostat was accurately calibrated Rate - The FA setting is used to produce shorter heating at the factory but you have the option to change the display cycles.
TROUBLESHOOTING Reset Operation If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation you can reset the thermostat by pressing the reset button (see fig. 1). If the thermostat has power, has been reset and still does not function correctly contact your heating/cooling service person or place of purchase.