Chromalox Electric Heater PG416 4 User Manual

®
Chromalox  
SERVICE REFERENCE  
Installation Operation  
DIVISION  
SALES  
4
SECTION RBC  
(Supersedes PG416-3)  
and  
REFERENCE  
PG416-4  
RENEWAL PARTS IDENTIFICATION  
161-025617-001  
DATE  
MARCH,1999  
Type RBC-3 Radiant Heater  
10-1/2  
5-1/2”  
Amperage  
Net  
Weight  
(Lbs.)  
No.  
Elements  
Model  
Volts  
kW  
BTU  
4,094  
8,188  
12,272  
1 Phase  
3 Phase  
RBC-31280  
RBC-31220  
RBC-31240  
RBC-32480  
RBC-32420  
RBC-32440  
RBC-33680  
RBC-33620  
RBC-33640  
208  
240  
480  
208  
240  
480  
208  
240  
480  
5.8  
5.0  
2.5  
——  
——  
——  
——  
——  
——  
10.0  
8.7  
1,200  
2,400  
3,600  
1
2
3
8
11.5  
10.0  
5.0  
17.3  
15.0  
7.5  
8-3/4  
9-3/4  
4.3  
© 2010 Chromalox, Inc.  
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WIRING DIAGRAMS  
For supply connection use 14GA. min. wire suitable for at least 75˚C.  
For supply connection use 14GA. min. wire suitable for at least 90˚C.  
L1  
L1  
L2  
Ground (Green)  
L2  
Ground (Green)  
G
G
Figure 1  
Figure 2  
For supply connections use wire suitable for at least 90˚C (see below)  
For supply connection use 14GA. min. wire suitable for at least 90˚C.  
L1  
L1  
208V  
240V  
480V  
10GA. min.  
12GA. min.  
14GA. min.  
L2  
L2  
L3  
Ground (Green)  
Ground (Green)  
G
G
Figure 3  
Figure 4  
OPERATION  
4. CONTROLLING RADIANT INTENSITY —  
WARNING: This heater is not intended for use in  
hazardous atmospheres where flammable vapors,  
gases, liquids or other combustible atmospheres  
are present as defined in the National Electrical  
Code. Failure to comply can result in explosion or  
fire.  
When it is desirable to reduce radiant intensity, Input  
Controllers may be used. These motor-driven cycling devices  
can be used to vary heater output capacity from 4% to 100%.  
Cycling devices are usually connected in holding coil circuit of  
magnetic contactors. For further information regarding Input  
Controllers and Contactors, see Chromalox catalog and/or con-  
tact your local Chromalox representative.  
1. Minimum spacing from front of heater case to combustible  
material is: 4 ft. — RBC3-12 (1200W)  
5. WARNING: Because of the possibility of someone  
unknowingly exposing the heater to combustible  
hazards, the heater should not be left in operation  
while unattended.  
7 ft. — RBC3-24 or RBC3-36 (2400W or 3600W)  
2. Avoid temperatures in excess of 194˚F on nearby combustible  
surfaces.  
3. Do not operate heaters at voltages in excess of that stamped  
on heater nameplate since excess voltage will shorten heater life.  
MAINTENANCE  
3. Loosen and disengage hex nut and washer from threaded fitting.  
4. Pull element out of reflector housing and terminal box.  
5. Slide new gasket (see Renewal Parts) onto threaded fitting of  
replacement element. Note: Filler side of gasket faces away  
from flange of threaded fitting. Insert new element through ter-  
minal box opening, and slip on washer and hex nut before ele-  
ment enters reflector housing. Tighten hex nut until element  
mounting is secure.  
WARNING: Hazard of Severe Shock. Disconnect all  
power to heater before servicing these heaters.  
A. Element Replacement (See Figure E)  
1. Remove Terminal housing cover and gasket.  
2. Disconnect element leads from external leads.  
Washer  
Hex Nut  
6. Reconnect power supply leads to element terminals. Install  
new terminal cover gasket (see Renewal Parts). Install terminal  
box cover. Reconnect power to heater circuit.  
Compression  
Terminal Box  
Gasket  
Grounding  
Terminal  
B. Care of Reflector  
The reflectors should be kept clean to obtain the maximum  
radiant output. The entire assembly should be washed or brushed  
off periodically to remove dust and dirt. However, if the inside of  
the reflector gets badly soiled, a mild soap and water solution may  
be used. Wipe reflecting surface dry to prevent permanent water  
marks. For extreme cases of soil which do not yield to mild soap  
cleaning, use plastic or fine steel wool type scouring pads com-  
monly used on cooking utensils. Avoid use of ammonia or alka-  
line cleaners which will etch the aluminum surfaces.  
Threaded  
Fitting  
Note: Avoid hosing down the heater assembly because con-  
Figure E  
duit may not be waterproof.  
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RENEWAL PARTS IDENTIFICATION  
Common Parts  
Heating Element Gasket  
132-047675-004  
Heating Element Part No.  
Volts  
kW  
322-874016-003  
322-874016-001  
322-874016-002  
208  
240  
480  
1.2  
1.2  
1.2  
Terminal Cover Gasket  
132-012603-004  
Limited Warranty:  
Please refer to the Chromalox limited warranty applicable to this product at  
2150 N. RULON WHITE BLVD., OGDEN, UT 84404  
Phone: 1-800-368-2493  
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