White Rodgers 1F86-241 user manual

Summary of the content on the page No. 1

1F86-241
Non-Programmable Electronic Digital Thermostat
WHITE-RODGERS
INSTALLATION AND
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
Your new White-Rodgers Digital Thermostat uses the technol- • Backlit display
ogy of a solid-state microcomputer to provide precise time/
• LCD continuously displays set point a

Summary of the content on the page No. 2

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 wall mounting plate, remove the thermostat and the wall mounting plate as an assembly. 3. Identify each wire attached to the old thermostat using the labels enclosed with the new thermostat.

Summary of the content on the page No. 3

JUMPER THERMOSTAT WIRE C B O Y G W RC RH SYSTEM THERMOSTAT C B O Y G W RC RH Hot SYSTEM Cooling Fan Heating 24 VAC 120 VAC System Relay System Fan Heating Neutral Relay System HEATING Hot TRANSFORMER 24 VAC 120 VAC Neutral Hot TRANSFORMER 24 VAC 120 VAC Neutral Figure 2. Typical wiring diagram for COOLING TRANSFORMER heat only, 3-wire, single transformer systems Figure 5. Typical wiring diagram for with common connection (required) heat/cool, 5-wire, two-transformer systems JUMPER WIRE with com

Summary of the content on the page No. 4

4) Select Compressor Lockout (LOC OFF or ON) - Select- The Display ing LOC ON will cause the thermostat to wait 5 minutes before turning on the compressor if the heating and cooling 5 Flame icon ( ) is displayed when the SYSTEM switch is in system loses power. It will also wait 5 minutes minimum the HEAT position. Snowflake icon ( )is displayed (non- between cooling cycles. This is intended to help protect the flashing) when the SYSTEM switch is in the COOL position. compressor from short cyclin

Summary of the content on the page No. 5

TROUBLESHOOTING No Heating With the SYSTEM switch set to HEAT, when the setpoint temperature is raised or lowered past the room temperature, the thermostat will make a soft click sound. Usually, the sound indicates the thermostat is operating correctly. If the system does not come on, check the system or contact your heating/ cooling service person. If the thermostat does not click try the Reset Operation listed below. No Cooling Same procedure as heating except set SYSTEM switch to COOL. There

Summary of the content on the page No. 6