The wiring diagram of your old Honeywell Round Thermostat is a crucial part of understanding how your heating and cooling system works. It shows the connections between the thermostat and the various components of the HVAC system, such as …

View and Download Honeywell CT87A round installation instructions manual online. LOW VOLTAGE (15 TO 30 VAC), THERMOSTAT AND MOUNTING HARDWARE. CT87A round thermostat pdf manual download. Also for: Ct87b round, Ct87j round.

Aug 29, 2022 · Consult your owners/install guide for wiring examples and systems compatible with your thermostat*. The thermostat uses one wire to control the primary functions of your HVAC system, such as heating, cooling, and fan. See the diagram below for the role of each wire in your system: S – Indoor and Outdoor Wired Sensors

Wire the thermostat 1. Use the wiring cross-reference table below to match each old thermostat wire with its corresponding terminal on the CT87 wallplate or subbase. See Fig. 8 through 13 wiring diagrams. *Never attach wires to both the B and O terminals. 2. Strip the wire insulation as needed to fit the wires underneath the ter-minal screws ...

View and Download Honeywell The Round CT87K owner's manual online. 24 Vac heating/heating and cooling systems. The Round CT87K thermostat pdf manual download. Also for: The round ct87n.

CT87A,B,J ROUND® THERMOSTAT Wire the thermostat 1. Use the wiring cross-reference table below to match each old thermostat wire with its corresponding terminal on the CT87 wallplate or subbase. See Fig. 8 through 13 wiring diagrams.

FIND THE USER GUIDE FOR YOUR THERMOSTAT. First, let's identify your device. Select the product you’re having trouble with from the options below.

The Round® Creative Series Y460A2003 Thermostat The Y460A2003 Thermostat is for 15 to 30 Vac control of gas- or oil-fueled warm air, steam or hot water heating/electric cooling systems. Your Y460A Thermostat Follow these instructions step-by-step for proper installation of your Honeywell thermostat. It is recommended that as you read ...

Install the thermostat about 5 feet (1.5 m) above the floor in an area with good air circulation at average temperature. Pull wires through wire hole. Position coverplate on wall, level and mark hole positions. Drill holes (3/16” for drywall, 7/32” for plaster) and tap in supplied wall anchors.

You have finished installing your new Honeywell thermostat! For additional information refer to Installation Instructions or contact Honeywell Customer Relations at www.honeywell.com/yourhome or 1-800-468-1502. 1. Turn off Heating/Cooling system power. 2. Remove old thermostat from wall. Use enclosed labels to mark the wires as you disconnect them.