TH450
1/2
TH450
Owner’s Guide
Non-programmable Thermostat
The TH450 thermostat is designed to control an electric heating sys-
tem such as a baseboard heater, a radiant ceiling, a convector or a
fan-forced convector.
This thermostat cannot be used with:
•
a resistive load under 1.25 A
•
a resistive load over 16.7 A
•
a system driven by a contactor or a relay (inductive load)
•
a central heating system
SUPPLIED PARTS
•
One (1) thermostat
•
Two (2) 6-32 mounting screws
•
Two (2) solderless connectors
The installation must be carried out by an electrician and must
comply with local electrical codes.
CUT POWER TO THE HEATING SYSTEM AT THE MAIN
ELECTRICAL PANEL TO AVOID ANY RISK OF ELECTRI-
CAL SHOCK.
Loosen the screw and
remove the faceplate
of the thermostat from
its wallplate.
NOTE: The screw
remains captive on the
wallplate.
Make the connections using solderless connectors for copper wires. The
thermostat wires are non-polarized; this means either wire can be con-
nected to either terminal.
WARNING: This thermostat has tinned copper wires for line and load
connections. Special CO/ALR solderless connectors must be used when
connecting with aluminium conductors.
Set the configuration switches on the back
of the thermostat’s faceplate (see section 3).
Install the faceplate of the thermostat back
on the wallplate and tighten the screw.
NOTE: If there is a protective film or sticker
on the thermostat’s screen, peel it off.
Apply power to the thermostat. Verify the installation by checking that the
heater can be turned On and Off by raising and lowering the setpoint
using the and buttons.
NOTE: Keep the air vents of thermostat clean and unobstructed at all
times.
Description
1.
Installation
2.
Temperature
display
Temperature
adjustment
buttons
Keypad lock
Heating intensity
Appears when the thermostat
is configured for a fan-forced
heater.
Electrical
panel
Heater
Electrical
box
Thermostat
Electrical
panel
Heater
Electrical
box
Thermostat
Install the wallplate to the electrical box.
