Chromalox Electric Heater POO401 9 User Manual

®
Chromalox  
SERVICE REFERENCE  
Installation Instructions  
DIVISION  
SALES  
4
SECTION GEN  
(Supersedes POO401-8)  
POO401-9  
161-053241-001  
REFERENCE  
DATE  
DECEMBER, 2008  
General Recommendations  
on the Use of Electric Heating Elements  
GENERAL  
Safety Guidelines  
Read and follow these instructions to minimize risks of electric  
shock or fire. Save these instructions for future reference.  
The safety and performance of this heater is dependent upon prop-  
er handling, installation, control and maintenance. Since we cannot  
anticipate all conditions under which this information and heater, or  
this heater in combination with other manufacturer’s products may be  
used, it is advised that you conduct your own tests to determine the  
safety and suitability of this heater in combination with other products  
in your application.  
The electric heating element(s) supplied herein are of rugged con-  
struction and if properly installed, operated and maintained, are  
designed for long life and dependable, trouble-free service.  
The Safety Alert Symbol:  
is found throughout these installa-  
tion instructions to identify potential hazards that can result in person-  
al injury. The seriousness of the potential risk is identified by one of  
these three words:  
The system designer is responsible for the safety  
of this equipment and should install adequate  
back-up controls and safety devices with their  
electric heating equipment. Where the conse-  
quences of failure could result in personal injury or  
property damage, back-up controls are essential.  
– will result in serious injury or death.  
!
DANGER  
– could result in serious injury or death.  
– may result in minor or moderate injury.  
!
INSTALLATION  
A. Avoid mounting heaters in an environment containing  
combustible liquids, gases or vapors.  
B. Avoid contact between heaters and combustible materials.  
C. Keep combustible materials far enough away to be free of  
the effects of high temperatures.  
ELECTRIC SHOCK HAZARD. Disconnect all power  
before installing or servicing heater. Failure to do  
so could result in personal injury or property dam-  
age. Heater must be installed by a qualified person  
in accordance with the National Electrical Code,  
NFPA 70.  
Failure to comply could result in personal injury or property  
damage.  
High heating efficiency, low sheath temperatures, and long heater  
life result when electric heaters are properly installed.  
ELECTRIC SHOCK HAZARD. Any installation involv-  
ing electric heaters must be performed by a quali-  
fied person and must be effectively grounded in  
accordance with the National Electrical Code to  
eliminate shock hazard.  
1. Heater mounting must allow for heater expansion without sacri-  
ficing heat transfer efficiency.  
2. Electric heaters should not be bent or deformed because heater  
insulation can be damaged, leading to electrical problems and a  
short heater life.  
3. Clamp-on heaters should be securely clamped to clean, smooth,  
metal surfaces. No insulation should contact sheath.  
4. Cartridge heaters, when inserted, should be provided with snug fit-  
ting holes. Use heat transfer and release compound as required.  
FIRE/EXPLOSION HAZARD Since electric heaters are capa-  
.
ble of developing high temperatures, extreme care should be  
taken to:  
© 2010 Chromalox, Inc.  
 

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