Ouellet OTH2750 - Manual

Set
Temp CycleLock
Fan
MinMax Light
Set
Temp CycleLock
Fan
MinMax Light
Thermostat
Thermostat
OTH2750 & OTH4000
1 Description
2 Installation
Temp
Light
1
2
OTH2750 & OTH4000
Instruction and installation guide
Electronic thermostat
The OTH2750 & OTH4000 thermostat is designed to control an electric heating system such
as a baseboard heater, radiant ceiling, radiant floor (without floor sensor), convector (short
cycle) and fan-forced convector (long cycle).
( )
Setting button
Backlight button
Set
Temp CycleLock
Fan
MinMax Light Menu items
Menu items
Temperature
Heating intensity
Fan-forced convector
Keypad lock
( )
This thermostat cannot be used with :
•
a resistive load under 1.25 A
• a resistive load over 11.5 A for OTH2750 and 16.7 A for OTH4000
• 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 thermostat must be installed by a certified electrician according to the applicable local and
national electrical codes.
Unscrew the screw by one quarter of a turn and separate thermostat cover. Use a Robertson
# 1 (square) or Phillips # 2 (cross) screwdriver.
Cut power to the
heating system at the
main electrical panel
to avoid any risk of
electric shock.
Note:
The screw remains attached to the thermostat.
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.
Baseboard heater
Electrical
outlet box
Electrical
panel
Electrical
panel
Baseboard heater
Electrical
outlet box
Warning: This thermostat has tinned copper wires for line and load connections. Special
CO/ALR solderless connectors must be used when connecting with aluminum conductors.
Install the thermostat to the electrical box.
3 Configuration menu
Display order Parameter & setting Display
Temperature format:
˚C or ˚F
Backlight:
OFF (active for 6 seconds if a button is pressed) /
ON (always active)
(default : ˚C)
(default : OFF)
• To display the temperature setpoint, press once on either setting
button ( or ). The temperature setpoint will appear for 5
seconds. Set appears when the setpoint is displayed.
• To change the temperature, press the or button until the
desired value is displayed.
• The screen is backlit for 6 seconds when any button is pressed.
• To illuminate the screen, press the button temporarily.
During a power outage, the temperature is saved. You will not have to adjust the temperature
again when power returns.
Set
Problems Solutions
The display disappears
and reappears after a few
minutes
The thermal protection device on the heater has temporarily
opened. This can happen if the heater is obstructed by furni-
ture or curtain and has overheated, or if the heater’s thermal
protection device is too sensitive.
4 Temperature display and setting
The thermostat normally displays the ambient (measured) temperature.
5 Power outage
6 Troubleshooting
Wrong temperature is
displayed.
The thermostat’s housing
is hot.
Rectify if any the following conditions applies:
•
The thermostat is exposed to an air draft.
• The thermostat is located near or above a heat source
such as a light dimmer.
This is normal. When the thermostat is running at full capacity,
its housing can reach 40˚C (104˚F).
7 Specifications
120/208/240 VAC, 50/60 Hz
1.25 A / 150 W @ 120 VAC, 50/60 Hz
1.25 A / 260 W @ 208 VAC, 50/60 Hz
1.25 A / 300 W @ 240 VAC, 50/60 Hz
16.7 A / 2000 W @ 120 VAC, 50/60 Hz
16.7 A / 3465 W @ 208 VAC, 50/60 Hz
16.7 A / 4000 W @ 240 VAC, 50/60 Hz
Power supply:
Minimum load:
Maximum load:
OTH4000
120/208/240 VAC, 50/60 Hz
1.25 A / 150 W @ 120 VAC, 50/60 Hz
1.25 A / 260 W @ 208 VAC, 50/60 Hz
1.25 A / 300 W @ 240 VAC, 50/60 Hz
11.5 A / 1380 W @ 120 VAC, 50/60 Hz
11.5 A / 2390 W @ 208 VAC, 50/60 Hz
11.5 A / 2750 W @ 240 VAC, 50/60 Hz
Power supply:
Minimum load:
Maximum load:
OTH2750
5 ˚C to 30 ˚C (41 ˚F to 86 ˚F)
0 ˚C to 70 ˚C (32 ˚F to 158 ˚F)
± 0.5 ˚C ( ± 1 ˚F)
-20 ˚C to 50 ˚C (-4˚F to 122˚F)
OTH2750 & OTH4000
COMPLIANT
WITH STANDARD
CAN/CSA-C828-06
(CLAUSE 4.3)
Three (3) years limited warranty
OUELLET CANADA INC. warrants the components of the OTH2750 & OTH4000 against
defects in material and workmanship for a three (3) year period from the date of purchase,
under normal use and service, when proof of purchase of such is provided to the
manufacturer. The obligation of Ouellet Canada Inc., under the terms of this warranty, will be
to supply a new unit and this releases the manufacturer from paying the installation costs or
other secondary charges linked to replacing the unit or the components.
8 Warranty
If you have any questions on the product, call our technical support team at:
9 Customer assistance
180, 3 ͤ Avenue, L’ Islet (Quebec) G0R 2C0 CANADA
Phone : 1 800 463-7043 · (418) 247-3947
Fax : 1 800 662-7801 · (418) 247-7801
www.ouellet.com · [email protected]
Press the button during 5 seconds to access the configuration menu.
Press the or to set the displayed parameter.
Press the button to select the next parameter.
Press the button during 5 seconds to exit the configuration menu and return to
normal display. 1
2
3
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.
4
Lock
5
6
Cycle length:
SHT (short cycle for electric baseboard) /
FAN (long cycle for fan-forced heater)
Keypad lock:
OFF / ON
(default: SHT)
(default: OFF)
Setpoint range:
Display range:
Resolution:
Storage:
660-0100-0001-D 2012-01-05 1/1
Min
Max
3
4
Display order Parameter & setting Display
Minimum setpoint:
5˚C - 30˚C (41˚F - 86˚F)
Maximum setpoint:
5˚C - 30˚C (41˚F - 86˚F)
(default : 5˚C)
(default : 30˚C)
OL is displayed on the
screen
The internal temperature of the thermostat is too high (over-
load). Check that the connected load does not exceed the
maximum allowed (see specifications table).
HH or LL is displayed on
the screen The measured temperature is outside the setpoint range, either
too hot or too cold (see specifications table).
ENERGY
W I S E