Owner's Manual
Page 1
Copyright © 2005 Honeywell International Inc. Owner's Manual CT30/CT33 Low-voltage Thermostat Getting started Check to make sure your package includes the following items: CT30/CT33 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. Patents pending. All rights reserved. Registered Trademark.
Copyright © 2005 Honeywell International Inc. Owner's Manual CT30/CT33 Low-voltage Thermostat Getting started Check to make sure your package includes the following items: CT30/CT33 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. Patents pending. All rights reserved. Registered Trademark.
Owner's Manual
Page 2
... system (or fuse/circuit-breaker panel). 2 Remove cover and thermostat, but leave wallplate with your old thermostat. If the total (not counting C or C1) is 2 wires, proceed to check. If so, stop now. If you have purchased the wrong replacement thermostat. 2 You may not be compatible with... the next page. If any of the wall and attached to a terminal marked "C" or "C1" do not count that wire in your old thermostat in the trash if it contains mercury in place Is there a sealed tube containing mercury? Do you purchase right thermostat? Stop ...
... system (or fuse/circuit-breaker panel). 2 Remove cover and thermostat, but leave wallplate with your old thermostat. If the total (not counting C or C1) is 2 wires, proceed to check. If so, stop now. If you have purchased the wrong replacement thermostat. 2 You may not be compatible with... the next page. If any of the wall and attached to a terminal marked "C" or "C1" do not count that wire in your old thermostat in the trash if it contains mercury in place Is there a sealed tube containing mercury? Do you purchase right thermostat? Stop ...
Owner's Manual
Page 3
... wall opening ! Mark mounting position 1 Level base or cover plate if desired. 2 Mark positions of both screw holes. 3 CT30/CT33 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 . Be careful not to identify...
... wall opening ! Mark mounting position 1 Level base or cover plate if desired. 2 Mark positions of both screw holes. 3 CT30/CT33 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 . Be careful not to identify...
Owner's Manual
Page 4
...If labels do not match letters on terminal. 2 Use a screwdriver to loosen screw terminals, wrap bare wire securely around terminals, then tighten screws. 3 Push any of these wires are present, you cannot use this thermostat with same letter on thermostat, see below . See page ... Y1 • M G•F Rc Connect to cover marks left by your system. Optional cover plate Thermostat base Wire connections 1 Match each labeled wire with your old thermostat). 4 Connect wires first (see table below ), then insert screws. Labels don't match? See note Stop! See note Back of ...
...If labels do not match letters on terminal. 2 Use a screwdriver to loosen screw terminals, wrap bare wire securely around terminals, then tighten screws. 3 Push any of these wires are present, you cannot use this thermostat with same letter on thermostat, see below . See page ... Y1 • M G•F Rc Connect to cover marks left by your system. Optional cover plate Thermostat base Wire connections 1 Match each labeled wire with your old thermostat). 4 Connect wires first (see table below ), then insert screws. Labels don't match? See note Stop! See note Back of ...