Warnings
The installation of this thermostat should be made by a
certified electrician and must be installed in conformity with
the national and local Electrical Codes.
Since you are a valuable customer, before
starting the installation of your new thermostat,
please make sure that the breakers for your
heating system are off at the main electrical
User's guide
panel!
OTH2750
(2750 W @ 240 VAC)
OTH4000
(4000 W @ 240 VAC)
OTH5007
(5000 W @ 347 VAC)
The thermostat must be installed in
series with your heating device.
Non-programmable thermostat
Connecting the thermostat directly
to the line voltage source will
damage the unit.
Note: The wires of this thermostat are non-polarized.
Your thermostat OTH2750 / OTH4000 / OTH5007
Setpoint Temperature
Room Temperature
Heating indicator
L1
L2/N
Install your thermostat
1
Remove your old
thermostat. It should be
connected to 2 wires.
Power up the
thermostat.
5
Note: For a forced-air
heater, go to the
''Advanced Settings''
section to change the
control cycle of the
thermostat.
4
Replace the
cover and lock.
!
Unlock and lift
the thermostat cover.
2
Use the provided connectors to
connect the two wires of the
thermostat to the wires previously
connected to your old thermostat.
Use the two screws to
secure the thermostat
to the electrical box.
3
Make sure to firmly tighten the wire connectors for a secure
connections. A loose connection can be a fire hazard.
Special CO/ALR solderless connectors must be used when
connecting with aluminum conductors.
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