Owner's Manual
Page 1
Owner's Manual CT31 Low-voltage Thermostat Getting started Check to make sure your package includes the following items: CT31 thermostat Cover plate Wire labels Caution card Wall anchors and mounting screws (2 each) Before you begin, make sure you have: • Screwdriver • Hammer • Level (optional) • Pencil • Drill bit (3/16" for drywall, 7/32" for plaster) ® U.S. Copyright © 2005 Honeywell International Inc. All rights reserved. Patents pending. Registered Trademark.
Owner's Manual CT31 Low-voltage Thermostat Getting started Check to make sure your package includes the following items: CT31 thermostat Cover plate Wire labels Caution card Wall anchors and mounting screws (2 each) Before you begin, make sure you have: • Screwdriver • Hammer • Level (optional) • Pencil • Drill bit (3/16" for drywall, 7/32" for plaster) ® U.S. Copyright © 2005 Honeywell International Inc. All rights reserved. Patents pending. Registered Trademark.
Owner's Manual
Page 2
...call 1-800-468-1502 for instructions regarding recycling and proper disposal. You may not be compatible with wires attached. Did you have purchased the wrong replacement thermostat. 2 Count the number of wires coming out of them are attached to terminals in your system. If the total (not counting C ...or C1) is 4 wires or less, proceed to check. If so, stop now. Contact your new thermostat may have 5 or more wires, your local waste management authority for advice. If so, see mercury notice below. Do you...
...call 1-800-468-1502 for instructions regarding recycling and proper disposal. You may not be compatible with wires attached. Did you have purchased the wrong replacement thermostat. 2 Count the number of wires coming out of them are attached to terminals in your system. If the total (not counting C ...or C1) is 4 wires or less, proceed to check. If so, stop now. Contact your new thermostat may have 5 or more wires, your local waste management authority for advice. If so, see mercury notice below. Do you...
Owner's Manual
Page 3
...CT31 Low-voltage Thermostat Label wires and remove old wallplate Use a screwdriver to disconnect wires one by one.As you disconnect each wire Do not let wires fall into wall opening . IGNORE WIRE COLORS: Use only letter designations to let loose wires fall into the wall opening ! Be careful not to identify wire types. Mark mounting position 1 Pull wires... screw holes. 3 Wrap supplied labels securely around each wire, wrap it with the label matching the letter on your old thermostat. (Adhesive labels are supplied in your thermostat package.) Remove the old wallplate only after all...
...CT31 Low-voltage Thermostat Label wires and remove old wallplate Use a screwdriver to disconnect wires one by one.As you disconnect each wire Do not let wires fall into wall opening . IGNORE WIRE COLORS: Use only letter designations to let loose wires fall into the wall opening ! Be careful not to identify wire types. Mark mounting position 1 Pull wires... screw holes. 3 Wrap supplied labels securely around each wire, wrap it with the label matching the letter on your old thermostat. (Adhesive labels are supplied in your thermostat package.) Remove the old wallplate only after all...
Owner's Manual
Page 4
...8226; Y1 • M G•F Rc Connect to loosen screw terminals, wrap bare wire securely around terminals, then tighten screws. 3 Push any excess wire back into holes until flush with your old thermostat). 4 Pull wires through cover plate (if needed to cover marks left by your system. Labels don't match...? See note If this wire is present, you cannot use this thermostat with wall. 3 [Optional] Pull wires through thermostat base and insert screws. Owner's Manual Mount thermostat base 1 Drill holes at pencil-marked locations (3/16" holes for...
...8226; Y1 • M G•F Rc Connect to loosen screw terminals, wrap bare wire securely around terminals, then tighten screws. 3 Push any excess wire back into holes until flush with your old thermostat). 4 Pull wires through cover plate (if needed to cover marks left by your system. Labels don't match...? See note If this wire is present, you cannot use this thermostat with wall. 3 [Optional] Pull wires through thermostat base and insert screws. Owner's Manual Mount thermostat base 1 Drill holes at pencil-marked locations (3/16" holes for...
