manuel TH107 Ouellet eng.qxd

manuel TH107 Ouellet eng.qxd
CONNECTING WIRES AND MOUNTING THERMOSTAT
Remove the screw holding the
base and the front part of the
thermostat.
PLEASE TAKE NOTE THAT THE
SCREW CANNOT BE COMPLETELY RETRACTED.
MODEL OTH500
‹ OPTIONS SELECTION
Inside the thermostat, there is 1 selection switch to set at your preference.
Lift the front part of the thermostat to
separate it from the base.
Temperature in °C or °F.
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When you push a button, the temperature setting and a little arrow appear on
* the
left corner of the LCD. If no other button is pushed for the next 5 seconds,
the arrow will disappear and the room temperature will reappear on the LCD.
Make the appropriate connections. Please note that the thermostat wires are not polarized, therefore the connections can be
made on either terminal.
INSTALLATION
NOTE : The “Problems and Solutions” section located at the end of this document will help you to correct the problems you might have during the installation.
This thermostat has been designed to operate with any installation which has a
RESISTIVE load not exceeding 4000 W (16.7 A) @ 240 VAC or 2000 W @ 120
VAC as electric baseboards, radiant ceilings and floors, electric convectors, etc.
It is not compatible with a low voltage controller used by a central heating system or systems using a contactor or a relay whose current is under 1.0 A.
Align and afix the base to the
electrical box.
Electricians or experienced technicians should install the thermostat. This thermostat is designed to be used with a self-protected heating system equipped
with linear limit control and circuit breaker.
PARTS INCLUDED :
• One (1) OTH500 thermostat
• Two (2) 6-32 screws
Set the switch located on the back of the
removable part of the thermostat to your
preference (temperature display in °C or °F).
• Two (2) solderless connectors
TURN OFF POWER OF THE HEATING SYSTEM AT THE MAIN
POWER PANEL TO AVOID ELECTRIC SHOCK. Keep air vents of
thermostat clean and free from obstructions.
920-107-001-00-1-A 1/2
POWER FAILURE
Replace the front part of the thermostat on
the base and secure them in place with
the screw.
After a power outage, the setpoint is stored permanently in memory.
CHARACTERISTICS
The temperature controller using proportional 100 %
regulation determines the power necessary for
the electric heating system to precisely maintain
the ambiant temperature according to the set- 80 %
point.
NOTE : All cables and connections must conform to the local electrical code.
To see this process, the display shows, in real
time, the percentage of power applied to the
electric heating system.
WARNING : Special CO/ALR solderless connectors must be used when connecting with aluminium conductors.
POWER-UP
60 %
40 %
20 %
Once power is initially sent to the unit, the LCD
screen will display certain codes, and then the
ambiant temperature.
- Model :
OTH500
- Supply :
120/240 VAC, 50/60 Hz
- Load :
16.7 A maximum, resistive only
1.0 A minimum
- Power :
4000 W @ 240 VAC
2000 W @ 120 VAC
- Minimal load :
240 W @ 240 VAC
120 W @ 120 VAC
- Approval :
WARRANTY
Ouellet Canada inc.’s OTH500 thermostat is covered by a two-year (2) warranty. Thermostat components are guaranteed for this period against parts or manufacturing defects
in the course of normal use and maintenance, from the date of purchase and upon presentation of the invoice. The manufacturer’s responsibility is limited to the replacement
of the thermostat and precludes costs associated with connecting or installing the thermostat or a replacement component.
PROBLEMS AND SOLUTIONS
PROBLEMS
CAUSES
SOLUTIONS
- No display
- Circuit breaker is open
- Power failure
- Linear limit control is open
- Check 120 / 240 VAC presence at the thermostat
- The LCD disappears but reappears
after a 2 to 3 minute period
- The linear limit control on the baseboard heater
opens after a malfunction or overheating
- Ensure that the baseboard heater is not obstructed by
furniture or curtains. Also verify that the linear limit
control of the thermal protection unit is not touching
the heating element
- The thermostat is hot
- In normal use at full capacity (4000 W), the housing
temperature of the thermostat can reach 35 to 40 °C
- Room temperature shown is wrong
- A draft is near the thermostat
- Eliminate the draft
- Heating system always functions at maximum capacity
- Bad installation
- Check installation
- The thermostat displays heating but heating system is
not turned on
- Bad installation
- Check installation
13/03/02 920-107-001-00-1-A 2/2
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