Honeywell CT3550 Owner's Manual - Page 5

STEP 1. PREPARE FOR INSTALLATION ❑ Check Table 1, the compatibility chart, to make sure the thermostat is compatible with your system. If your system is not compatible, call Honeywell Customer Relations Center, toll-free, 1-800-468-1502. Table 1. Compatibility Chart. Gas - Standing Pilot Gas - Electronic Ignition System Type Gas-fired Boilers Gas - 750 Millivolt Heat Oil-Fired Boilers Oil-Fired Furnace Electric Furnace Electric Air Conditioning Baseboard Electric (120/240 line volt)b Single Stage Heat Pump Multistage Heat Pumps/Multistage Equipment Compatibility with CT3550 Yes Yes Yesa Yes Yesa Yes Yes Yes No Yes No a Compatible with 2-wire Honeywell and Taco zone valves. Not compatible with 3-wire zone valves or 2-wire White Rodgers no. 1361 zone valves. b Not compatible with any 120/240 volt system. Package Contents. • Thermostat • Screws and anchors • 3 Energizer® AA batteries • Wallplate • Wiring labels • Owners manual Tools Required • Screwdriver • Drill 5 69-1284-2