White Rodgers 3L09 User Manual

3L09

WHITE-RODGERS

Operator: Save these instructions for future use!

FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE
INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL
INJURY AND/OR PROPERTY DAMAGE.

This series of limit controls has a normally closed SPST
switch that opens on temperature rise to limit the maxi­mum allowable temperature in forced air heating sys-

THIS CONTROL MUST BE INSTALLED BY A QUALI­FIED INSTALLER.

All wiring must conform to local and national electrical
codes and ordinances.

This control is a precision instrument, and should be
handled carefully. Rough handling or distorting compo­nents could cause the control to malfunction.

This control has been accurately calibrated at the factory.
Any attempt to re-calibrate this control will void the White­Rodgers warranty.

WARNING

!

Do not use on circuits exceeding specified volt­ages. Higher voltages will damage control and
could cause shock or fire hazard.

If in doubt about whether your wiring is millivolt,
low or line voltage, have it inspected by a quali­fied heating and air conditioning contractor or a
licensed electrician.

Limit Controls

INSTALLATION INSTRUCTIONS

DESCRIPTION

tems. A small bimetal sensing element is located in the air
stream for quick response. These controls have a fixed
temperature setting and fixed differential.

PRECAUTIONS

CAUTION

!

To prevent electrical shock and/or equipment
damage, disconnect electric power to system at
main fuse or circuit breaker box until installation
is complete.

Label all wires prior to disconnection when ser­vicing controls. Wiring errors can cause improper
and dangerous operation.

Following installation or replacement, follow
appliance manufacturers’ recommended instal­lation/service instructions to insure proper op­eration.

ELECTRICAL RATING:

Resistive: 15 amps @ 120 VAC

13 amps @ 240 VAC

9.3 amps @ 277 VAC

Inductive: 5.8 FLA, 34.8 LRA @ 120 VAC

2.9 FLA, 13.0 LRA @ 240 VAC

Pilot Duty: 278 VA

This control must be mounted in the air stream of the
appliance. Follow the original equipment manufacturers’
recommendations for proper location and wiring.

WHITE-RODGERS DIVISION

EMERSON ELECTRIC CO.
9797 REAVIS ROAD
ST. LOUIS, MISSOURI 63123-5398

Printed in U.S.A.

SPECIFICATIONS

Temperature Setting:

Fixed setting stamped on control

INSTALLATION

Wiring

All wiring must conform to local and national

electrical codes and ordinances.

PART NO. 37-6133A

9949