| EXPLOSION RESISTING CONTROLS |
| Heating Service |
| INSTALLATION INSTRUCTIONS |
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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.
DESCRIPTION
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.
The
The remote element type is applicable to installations such as ducts, ovens or liquid baths.
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
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.
WARNING
Do not use on circuits exceeding specified voltage. Higher voltage will damage control and could cause shock or fire hazard.
Switch Action: S.P.S.T. – Open on Rise
Dimensions of Enclosure:
SPECIFICATIONS
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.
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EMERSON ELECTRIC CO. |
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9797 REAVIS RD., ST. LOUIS, MO. 63123 |
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(314) | Printed in U.S.A. |
PART NO.
Replaces
9999 HWY. 48, MARKHAM, ONT. L3P 3J3
(905)
