Honeywell CT2800 Owner's Manual - Page 3

Heating/Cooling System Steam A steam boiler with radiator heat. Heat Pump Heating and cooling are produced from the same outdoor unit (compressor) with no auxiliary or backup heat. Multistage Heat Pump Heating and cooling are produced from the same outdoor unit (compressor) with auxiliary or backup heat. Multistage Conventional A heating or cooling system with more than one stage. Compatible with CT2800? Alternate Model No CT3600 No CT3600 No CT3611 No See your contractor Step 1. Prepare for Installation 1. Carefully unpack your new thermostat. Save your receipt and make sure you have the following parts: • Thermostat and mounting plate • Labels • Screws and anchors • Installation and Programming Instructions 2. Gather the needed tools and supplies listed below. Required Tools and Supplies Optional Tools • Two AA alkaline batteries. Honeywell recommends Energizer® • Wire cutter/stripper or sharp knife. batteries. • Level. • Screwdriver. • Electrical tape. • Hand or power drill with 3/16-inch or 7/32-inch drill bit. • Pencil. 3. Make sure that your heating and cooling systems are working properly. If there is a problem with either system, call a heating/air conditioning contractor-the problem may persist after you install the new thermostat. IMPORTANT: To avoid damaging the compressor in the air conditioner, do not operate the cooling system when the temperature outdoors is below 50°F (10°C). 3 69-1638-1