Aube Technologies TH305 User manual

69-2793EF-05
Owner’s
Guide
TH305
Non-programmable Thermostat

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Overview
About your new thermostat ..................................................................................... 3
Controls and display ................................................................................................... 4
Installation
Installation guidelines................................................................................................ 5
Mounting the thermostat......................................................................................... 6
Wiring..................................................................................................................................7
Configuration switches..............................................................................................8
Setup menu ..................................................................................................................... 9
Operation
Temperature display and setting....................................................................... 10
Power outage ............................................................................................................... 10
Appendices
In case of difficulty.................................................................................................... 11
Specifications .............................................................................................................. 12
3-year limited warranty........................................................................................... 13
Customer Assistance ............................................................................................... 14
Table of contents

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The TH305 thermostat is designed to control an electric heating
system 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
About your new thermostat

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Controls and display
Temperature
display
Temperature
adjustment
buttons
Keypad lock
Heating intensity
Appears when the thermostat is
configured for a fan-forced
heater.

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TURN OFF POWER TO THE HEATING SYSTEM AT THE MAIN POWER
PANEL TO AVOID ELECTRICAL SHOCK.
• The installation must be performed by a qualified electrician and must
comply with electrical codes of your region.
• Do NOT install the thermostat in an area where it can be exposed to water or
rain.
• Avoid locations where there are air drafts (such as the top of a staircase or
an air outlet), dead air spots (such as behind a door), or direct sunlight.
• Do not install the thermostat on a wall section that conceals air ducts,
chimney pipes or stove pipes.
• Install the thermostat about 1.5 m (5 feet) high, on an inside wall facing the
heater.
• Install the thermostat onto an electrical box.
• This thermostat has tinned copper wires for line and load connections.
Special CO/ALR solderless connectors must be used if the thermostat will
be connected to aluminium wires.
• The thermostat wires are not polarized; either wire can be connected to the
load or to the power supply.
• Keep the air vents at the top and bottom of the thermostat clean and free
from obstructions.
Installation guidelines

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1) Loosen the screw and remove the faceplate of
the thermostat from its wallplate. (The screw
remains captive on the wallplate.)
2) Make the connections using solderless
connectors for copper wires. The thermostat
wires are non-polarized; this means either wire
can be connected to either terminal.
3) Install the wallplate to the electrical box.
4) Set the configuration switches on the back of
the thermostat’s faceplate (see page 6).
5) Install the faceplate of the thermostat back on
the wallplate and tighten the screw.
6) If there is a protective film or sticker on the
thermostat’s screen, peel it off.
7) 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.
Mounting the thermostat

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Wiring
Electrical
panel
Heater
Electrical
box
Thermostat
Electrical
panel
Heater
Electrical
box
Thermostat

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The configuration switches are on the back of the
thermostat. The factory settings are indicated by the
gray cells in the following table.
Configuration switches
Switches
1 Keypad lock a
a. The settings are locked. The temperature adjustment buttons
only allow you to view the temperature setpoint.
Off On
2 Cycle length b
b. Select short cycles in most cases as it provides better
temperature control. However, you must select long cycles if
you have a fan-forced heater. is displayed when long cycles
are selected.
Short Long
3 Temperature display format °C °F

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1) Press the and buttons simultaneously for three seconds to
enter the configuration menu.
2) Press the or button to set the displayed parameter.
3) Press the and buttons simultaneously for one second to
display the next parameter.
4) Press the and buttons simultaneously for three seconds to
exit the configuration menu.
NOTE: The thermostat will automatically save any changes made and return to
its normal display if you do not press any button for one minute.
Setup menu
Parameter Settings Display and default setting
Minimum
setpoint
5 °C - 30 °C
(41 °F - 86 °F)
Maximum
setpoint
5 °C - 30 °C
(41 °F - 86 °F)

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The thermostat normally displays the actual temperature.
• To view the setpoint temperature, press
once on either temperature adjustment
button. The setpoint temperature will
appear for 5 seconds. The icon
appears when the setpoint is displayed.
• To change the setpoint temperature,
press the appropriate button until the
desired value is displayed.
• The screen is backlit for 10 seconds when any button is pressed.
During a power outage, the setpoint is saved in memory. You do not
need to adjust the temperature when power returns.
Temperature Display and Setting
Power outage