3L09
Limit Controls
WHITE-RODGERS
INSTALLATION INSTRUCTIONS
Operator: Save these instructions for future use!
FAILURETOREADANDFOLLOWALLINSTRUCTIONSCAREFULLYBEFORE
INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL
INJURY AND/OR PROPERTY DAMAGE.
DESCRIPTION
This series of limit controls has a normally closed SPST tems. A small bimetal sensing element is located in the air
switch that opens on temperature rise to limit the maxi- stream for quick response. These controls have a fixed
mum allowable temperature in forced air heating sys- temperature setting and fixed differential.
PRECAUTIONS
THIS CONTROL MUST BE INSTALLED BY A QUALI-
FIED INSTALLER.
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.
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 compo-
nents could cause the control to malfunction.
Label all wires prior to disconnection when ser-
vicingcontrols.Wiringerrorscancauseimproper
and dangerous operation.
This control has been accurately calibrated at the factory.
Any attempt to re-calibrate this control will void the White-
Rodgers warranty.
Following installation or replacement, follow
appliance manufacturers’ recommended instal-
lation/service instructions to insure proper op-
eration.
WARNING
!
Do not use on circuits exceeding specified volt-
ages. 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 quali-
fied heating and air conditioning contractor or a
licensed electrician.
SPECIFICATIONS
ELECTRICAL RATING:
Temperature Setting:
Fixed setting stamped on control
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
INSTALLATION
This control must be mounted in the air stream of the
appliance. Follow the original equipment manufacturers’
recommendations for proper location and wiring.
Wiring
All wiring must conform to local and national
electrical codes and ordinances.
WHITE-RODGERS DIVISION
EMERSON ELECTRIC CO.
9797 REAVIS ROAD
ST. LOUIS, MISSOURI 63123-5398
PART NO. 37-6133A
Printed in U.S.A.
9949
Download from Www.Somanuals.com. All Manuals Search And Download.
|