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WHITE-RODGERS DIVISION
EMERSON ELECTRIC CO.
9797 REAVIS RD., ST. LOUIS, MO. 63123
(314) 577-1300, FAX (314) 577-1517
9999 HWY. 48, MARKHAM, ONT. L3P 3J3
(905) 475-4653, FAX (905) 475-4625
Printed in U.S.A.
INSTALLATION INSTRUCTIONS
DESCRIPTION
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY
BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE
PERSONAL INJURY AND/OR PROPERTY DAMAGE.
These explosion resisting thermostats are designed for control-
ling heating installations having hazardous atmospheres, such
as oil refinery, coal mine, flour mill, etc. They are designed for
line voltage operation, but may also be used as low voltage pilot
controls. White-Rodgers explosion resisting controls are avail-
able with either self-contained or remote sensitive bulbs.
The self-contained type is especially recommended for heating
installations of large air space.
The remote element type is applicable to installations such as
ducts, ovens or liquid baths.
PRECAUTIONS
EXPLOSION RESISTING CONTROLS
Heating Service
SPECIFICATIONS
THESE CONTROLS MUST BE INSTALLED BY A QUALIFIED
INSTALLER.
Do not exceed the specification ratings.
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 calibrate this control will void the White-Rodgers
warranty.
WARNING
Do not use on circuits exceeding specified voltage.
Higher voltage will damage control and could cause
shock or fire hazard.
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.
Enclosure: Designed for Class I, Group D; Class II, Groups
E, F and G locations.
Electrical Opening: 1/2" pipe thread in bottom of enclosure.
Switch Action: S.P.S.T. – Open on Rise
Dimensions of Enclosure: 6-1/8" high
5-1/4" wide over lugs
4-5/8" deep over adjusting knob
WHITE-RODGERS
Operator: Save these instructions for future use!
PART NO. 37-1119B
Replaces 37-1119 & 37-9160
9551