Owner's Manual
Page 1
...(12 h or 24 h) • Filter replacement indicator • Automatic daylight savings changeover • Interchangeable faceplates (titanium, charcoal & taupe) 2. RTH2520 terminals Rh Rc W Y G Description Heating power supply Cooling power supply Heating signal Cooling signal Fan Wire labels Rh, R, 4, V Rc, R...with heat pumps or multistage systems. Identify and label each wire (with electrical tape. RTH2520 Programmable Thermostat Installation and User Guide 1. RTH2520 Gently tilt the thermostat upwards. Mark and bore the appropriate mounting holes (...
...(12 h or 24 h) • Filter replacement indicator • Automatic daylight savings changeover • Interchangeable faceplates (titanium, charcoal & taupe) 2. RTH2520 terminals Rh Rc W Y G Description Heating power supply Cooling power supply Heating signal Cooling signal Fan Wire labels Rh, R, 4, V Rc, R...with heat pumps or multistage systems. Identify and label each wire (with electrical tape. RTH2520 Programmable Thermostat Installation and User Guide 1. RTH2520 Gently tilt the thermostat upwards. Mark and bore the appropriate mounting holes (...