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
...to check. Did you have purchased the wrong replacement thermostat. 2 If you purchase right thermostat? You may not be compatible with wires attached. Leave wallplate in a sealed tube. If so, see mercury notice below. Old thermostat Cover MERCURY NOTICE: Do not place... installation and call 1-800-468-1502 for instructions regarding recycling and proper disposal. Do you have 5 or more wires, your new thermostat may have 5 or more wires? Contact your local waste management authority for advice. If so, stop now. Owner's Manual Remove your old thermostat...
...to check. Did you have purchased the wrong replacement thermostat. 2 If you purchase right thermostat? You may not be compatible with wires attached. Leave wallplate in a sealed tube. If so, see mercury notice below. Old thermostat Cover MERCURY NOTICE: Do not place... installation and call 1-800-468-1502 for instructions regarding recycling and proper disposal. Do you have 5 or more wires, your new thermostat may have 5 or more wires? Contact your local waste management authority for advice. If so, stop now. Owner's Manual Remove your old thermostat...
Owner's Manual
Page 3
... 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 wires are labeled. 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 .
... 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 wires are labeled. 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 .
Owner's Manual
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...-marked locations (3/16" holes for drywall, 7/32" holes for plaster). 2 Use hammer to tap anchors into the wall opening. See note If this wire is present, you cannot use this thermostat with wall. 3 [Optional] Pull wires through cover plate (if needed to : Terminal "R" Terminal "W" Terminal "Y" Terminal "G" Stop! See page 2. 4 Labels don't match?
...-marked locations (3/16" holes for drywall, 7/32" holes for plaster). 2 Use hammer to tap anchors into the wall opening. See note If this wire is present, you cannot use this thermostat with wall. 3 [Optional] Pull wires through cover plate (if needed to : Terminal "R" Terminal "W" Terminal "Y" Terminal "G" Stop! See page 2. 4 Labels don't match?