Owner's Manual
Page 1
.... Time display (12 h or 24 h) • Filter replacement indicator • Automatic daylight savings changeover • Interchangeable faceplates (titanium, charcoal & taupe) 2. RTH2520 Programmable Thermostat Installation and User Guide 1. Introduction The RTH2520 programmable thermostat can be removed in order to control: • a gas, fuel oil or electric furnace -2 or 3 wires • a central air conditioner...
.... Time display (12 h or 24 h) • Filter replacement indicator • Automatic daylight savings changeover • Interchangeable faceplates (titanium, charcoal & taupe) 2. RTH2520 Programmable Thermostat Installation and User Guide 1. Introduction The RTH2520 programmable thermostat can be removed in order to control: • a gas, fuel oil or electric furnace -2 or 3 wires • a central air conditioner...