Indeeco OTL221, OTL222 Installation Instructions Manual

SAVE THESE INSTRUCTIONS

INSTRUCTIONS

Thermostat is suitable for electric heating systems.
Power Supply AC 120V / 208V / 244V / 277V

OTL221/OTL222

Thermostat

!

ELECTRIC SHOCK OR FIRE HAZARD

READ ALL WIRE SIZING, VOLTAGE REQUIREMENTS AND

SAFETY DATA TO AVOID PROPERTY DAMAGE AND

READ CAREFULLY -

money later. Observing the following procedures will keep installation time to a minimum. Save these instructions for future use.

FUNCTIONS AN D FEATURES

DANGER

PERSONAL INJURY

These instructions will help prevent di culties that might arise during thermostat installation. Studying the instructions rst may save considerable time and

!

!

WARNING

Maximum Power:
2640W @ 120VAC (22A)
4576W @ 208VAC (22A)
5280W @ 240VAC (22A)
6094W @ 277VAC (22A)
Sensing Element: Bimetal
Temperature Operating Range:

41°F-90°F (5°C—32°C)
cETL us listing.

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Specica tions:



120/208/240/277 Volts



Both °C & °F control dials included



Wall mount design– Sits ush against wall
Single-pole and Double-pole models available



INSTALLATION INSTRUCTIONS

Warning: Turn OFF the power at the circuit breaker before Installing.
Installation should be performed by a qualied electrician.

Refer to thermostat and heater load specications before installation of the
thermostat to see if it can handle the amp load. The maximum this
thermostat can run is 6094 Watts at 277 Volts, 5820 Watts at 240 Volts,
4576 Watts at 208 Volts and 2640 Watts at 120 Volts.



Fully vented cover allows air sensing in all directions



Large knob allows easy adjustment to all temperatures



Beveled face gives modern appearance
90°F (32°C) maximum setting



Install unit in a grounded metal or plastic wall junction box, indoors 4 ½ ft.
to 5 ft. above the oor. Avoid any area where it can come in contact with
external sources of heat and cold. This includes plumbing pipes, direct
sunlight, a T.V. set, lamps, and drafts from a door or window, as this may
cause inaccurate temperature readings. The most convenient place is above
the light switch. Not for Outdoor use.

INDEECO · 425 Hanley Industrial Court · St. Louis, MO, 63144 · PH: [phone] · FAX: [phone] · www.indeeco.com

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SAVE THESE INSTRUCTIONS

INSTALLATION INSTRUCTIONS CON’T

!

ELECTRIC SHOCK OR FIRE HAZARD

READ ALL WIRE SIZING, VOLTAGE REQUIREMENTS AND

SAFETY DATA TO AVOID PROPERTY DAMAGE AND

DANGER

PERSONAL INJURY

!

The installation of the thermostat must comply with the applicable local and/or national electrical code and
utility requirements. This installation should be performed by a qualied electrician where required by law.
Ensure that all wiring connections to the thermostat are correct and tight to prevent electrical shorts. Use the
appropriate wire to meet local and national electrical codes for rated power consumption.

WIRING INSTRUCTIONS

Single-pole Thermostat Installation

1. Disconnect power supply to prevent electrical shock or damage to the product.

2. Run line voltage wiring to the location of thermostat.

3. Connect the red LINE lead on the thermostat to L1 line from the power supply
panel.

4. Connect the black LOAD lead from the thermostat to the line lead on the heater.

5. Connect N Neutral ( L2) line to the remaining line of the heater.

6. Secure the ground wire to the ground screw provided in the junction box.

7. Make sure wire connections are tight.

8. Insert wires into the junction box, making sure not to damage wiring.

9. Remove the thermostat cover by grabbing the cover from the sides and pulling it
away from base.

10. Mount the thermostat base onto the junction box and secure using the provided
screws.

11. Replace thermostat cover.

Sing le-pol e
In sta llatio n

Double-pole Thermostat Installation

1. Disconnect power supply to prevent electrical shock or damage to product.

2. Run line voltage wiring to the thermostat location.

3. Connect the black LOAD leads on the thermostat to the leads on the heater.

4. Connect the red LINE leads on the thermostat to the line leads from the power supply
panel.

5. Make sure all connections are tight.

6. Insert wires into the junction box, making sure not to damage wiring.

7. Secure the ground wire to the ground screw provided in junction box.

8. Remove the thermostat cover by grabbing the cover from the sides and pulling it away
from base.

9. Mount the thermostat into the junction box and secure using the provided screws.

10. Replace thermostat cover.

INDEECO · 425 Hanley Industrial Court · St. Louis, MO, 63144 · PH: [phone] · FAX: [phone] · www.indeeco.com

Do uble-p ole

In sta llatio n

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