Chromalox Electric Heater KBLC User Manual

®
Chromalox  
SERVICE REFERENCE  
Installation Instructions  
DIVISION  
SALES  
4
SECTION KBL  
and  
REFERENCE  
(Supersedes PD430-1)  
PD430-2  
RENEWAL PARTS IDENTIFICATION  
161-058004-001  
DATE  
JANUARY, 2006  
Type KBLC and KBLS  
Over-the-Side Immersion Heaters  
Specifications  
Dimensions (In.)  
Min.  
kW  
Riser  
Opening  
Model  
Volts  
(11 W/In2”)  
Height  
Clearance  
KBLC – Steel Construction  
KBLC-24  
120 or 240  
120 or 240  
120 or 240  
240 only  
2.2  
2.2  
2.2  
4.4  
4.4  
4.4  
36  
36  
36  
36  
36  
36  
12-3/4  
12-3/4  
12-3/4  
17-3/4  
17-3/4  
17-3/4  
KBLC-24T2  
KBLC-24T3  
KBLC-28  
KBLC-28T2  
KBLC-28T3  
240 only  
240 only  
KBLS – Steel Construction  
KBLS-244  
120 or 240  
120 or 240  
120 or 240  
120 or 240  
240 only  
2.2  
2.2  
2.2  
2.2  
4.4  
4.4  
4.4  
4.4  
36  
36  
36  
36  
36  
36  
36  
36  
12-3/4  
12-3/4  
12-3/4  
12-3/4  
17-3/4  
17-3/4  
17-3/4  
17-3/4  
KBLS-244T1  
KBLS-244T2  
KBLS-244T3  
KBLS-288  
KBLS-288T1  
KBLS-288T2  
KBLS-288T3  
240 only  
240 only  
240 only  
Note: Consult factory for specific installation instructions for heaters with additional features not detailed in this installation guide.  
Such additional features may include thermocouples supplied as a special order modification.  
GENERAL  
Chromalox Type KBL over-the-side immersion heaters are pri-  
marily designed for use in drums containing wax, lard, grease, coconut  
oil and other heat-sensitive materials having low melting-points.  
1. Heater Construction Characteristics  
result of operating conditions beyond our control.  
B. Low watt density.  
C. Steel terminal box painted with heat and acid-resistant paint.  
D. Lightweight and portable yet heavy-duty. (Weighs only 18  
lbs. or less).  
A. High-quality Nichome resistance wire held in place by com-  
pacted Magnesium Oxide in either steel sheath (most applica-  
tions) or stainless steel sheath (corrosive applications).  
E. Riser type construction puts the heat at the bottom inducing  
natural “stirring action” and evenly distributed tempera-  
tures.  
WARNING:It is the responsibility of the purchaser of  
the heater to make the ultimate choice of sheath  
material based upon his knowledge of the chemical  
composition of the corrosive solution, character of  
the materials entering the solution, and controls  
which he maintains on the process. Chromalox can-  
not warrant any electric immersion heater against  
failure by sheath corrosion if such failure is the  
WARNING: Users should install adequate controls  
and safety devices with their electric heating equip-  
ment. Where the consequences of failure may be  
severe, back-up controls are essential. Although the  
safety of the installation is the responsibility of the  
user, Chromalox will be glad to make equipment  
recommendations.  
INSTALLATION  
4. In an electroplating operation the heaters are not, under any cir-  
cumstance, to be placed between the electrodes and the work.  
5. When melting solids by direct immersion, a surface vent should be  
provided to allow gases to escape. Operate the heater on half volt-  
age until melted material completely covers the heater area.  
6. A drip loop is recommended to minimize passage of moisture  
along wiring into terminal box and connections.  
7. WARNING: Hazard of Fire. Since these heaters are capable  
of developing high temperatures, extreme care should be taken to:  
A. Avoid installing heaters in an atmosphere containing com-  
bustible gases and vapors.  
WARNING: Hazard of Shock. Disconnect all power  
before installing heater  
1. Before installing the type KBL heater, inspect it for possible dam-  
age which may have occurred during shipment. Also, check to  
insure that the line voltage is the same as that stamped on the  
nameplate.  
2. IMPORTANT: Mount heater in the tank so that the liquid level  
will always be above the effective heated portion of the heater. If  
the heater is not properly submerged, it will overheat and damage  
the heating elements and create a possible fire hazard due to exces-  
sive sheath temperatures. (See Note 5)  
B. Avoid contact between heater and combustible material.  
Keep combustible materials far enough away to be free of the  
effects of high temperatures.  
3. Where work will pass over or near equipment, additional protec-  
tion, such as a metal guard, may be needed.  
© 2010 Chromalox, Inc.  
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