Honeywell Operation 1 1 Controls Press to set clock or schedule pap Fan switch Press to override schedule and hold temperature System switch Press to run follow Temperature programmed schedule adjustment buttons 1 2 Display screen Setpoint indicator Appears when the setpoint MM Clock temperature is displayed Li LILI N Temporary Temporary schedule override Set 9 py Low battery warning _ de il i Temperatu
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Q Q O RTH221 1 day Programmable Thermostat OD Honeywell Operating Manual 69 2388ES 03 CAUTION EQUIPMENT DAMAGE HAZARD To prevent possible compressor damage do not use Cooling mode when the outdoor temperature is below 50 F 10 C Need Help For assistance with this product piease visit http DIYthermostats honeywell com or caii Honeyweii Customer Care toii free at 1 800 468 1502