Chromalox CAF 6 User Manual

(Supersedes PF492)  
PF492-1  
JULY, 2002  
Draft Barrier Heaters  
Type CAF-6 and CCAS-8  
CAF-6  
CCAS-8  
TABLE 1 — Specifications  
Dimensions (In.)  
Model  
Model  
Volts  
Phase  
Watts  
Amps  
BTUH  
Height  
Length  
Depth  
Weight (Lbs.)  
CAF-6F205  
CAF-6F205  
CAF-6F205  
CAF-6F205  
CAF-6F307  
CAF-6F307  
CAF-6F307  
CAF-6F307  
CAF-6F410  
CAF-6F410  
CAF-6F410  
CAF-6F410  
CAF-6F512  
CAF-6F512  
CAF-6F512  
CAF-6F512  
CAF-6F615  
CAF-6F615  
CAF-6F615  
CAF-6F615  
CAF-6F717  
CAF-6F717  
CAF-6F717  
CAF-6F820  
CAF-6F820  
CAF-6F820  
CAF-6F922  
CAF-6F922  
CAF-6F922  
CAF-6F025  
CAF-6F025  
CAF-6F025  
CCAS-8F205  
CCAS-8F205  
CCAS-8F205  
CCAS-8F205  
CCAS-8F307  
CCAS-8F307  
CCAS-8F307  
CCAS-8F307  
CCAS-8F410  
CCAS-8F410  
CCAS-8F410  
CCAS-8F410  
CCAS-8F512  
CCAS-8F512  
CCAS-8F512  
CCAS-8F512  
CCAS-8F615  
CCAS-8F615  
CCAS-8F615  
CCAS-8F615  
CCAS-8F717  
CCAS-8F717  
CCAS-8F717  
CCAS-8F820  
CCAS-8F820  
CCAS-8F820  
CCAS-8F922  
CCAS-8F922  
CCAS-8F922  
CCAS-8F025  
CCAS-8F025  
CCAS-8F025  
120  
208  
240  
277  
120  
208  
240  
277  
120  
208  
240  
277  
120  
208  
240  
277  
120  
208  
240  
277  
208  
240  
277  
208  
240  
277  
208  
240  
277  
208  
240  
277  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
500  
500  
4.2  
2.4  
2.1  
1.8  
6.3  
3.6  
3.1  
2.7  
8.3  
4.8  
4.2  
3.6  
10.4  
6
1,706  
1,706  
1,706  
1,706  
2,559  
2,559  
2,559  
2,559  
3,412  
3,412  
3,412  
3,412  
4,265  
4,265  
4,265  
4,265  
5,118  
5,118  
5,118  
5,118  
5,971  
5,971  
5,971  
6,824  
6,824  
6,824  
7,677  
7,677  
7,677  
8,530  
8,530  
8,530  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
6/7.5  
24.3  
24.3  
24.3  
24.3  
36.3  
36.3  
36.3  
36.3  
48.3  
48.3  
48.3  
48.3  
60.3  
60.3  
60.3  
60.3  
72.3  
72.3  
72.3  
72.3  
84.3  
84.3  
84.3  
96.3  
96.3  
96.3  
108.3  
108.3  
108.3  
120.3  
120.3  
120.3  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
7
7
500  
7
500  
7
750  
9.5  
9.5  
9.5  
9.5  
12  
12  
12  
12  
15  
15  
15  
15  
18  
18  
18  
18  
21.5  
21.5  
21.5  
25  
25  
25  
29  
29  
29  
33  
33  
33  
750  
750  
750  
1000  
1000  
1000  
1000  
1250  
1250  
1250  
1250  
1500  
1500  
1500  
1500  
1750  
1750  
1750  
2000  
2000  
2000  
2250  
2250  
2250  
2500  
2500  
2500  
5.2  
4.5  
12.5  
7.2  
6.3  
5.4  
8.4  
7.3  
6.3  
9.6  
8.3  
7.2  
10.8  
9.4  
8.1  
12  
10.4  
9
© 2010 Chromalox, Inc.  
GENERAL  
Draft Barrier Heater Installation (Wall)  
1. Once the correct mounting height is established, scribe or snap  
a level line on the wall to maintain each heater back plate in  
horizontal alignment, when mounting.  
2. Remove heater front cover by lifting top rear edge to unsnap  
cover from back plate (store cover in safe location to avoid  
damage to the finish). (See Figure 2).  
3. Remove all appropriate knockouts from terminal boxes, partic-  
ularly terminal box end knockouts when installing continuous  
run heating. (See Figure 3).  
4. Mount the back panel to the wall using suitable fasteners (not  
supplied). Should the wall surface be uneven, secure the heater  
backplate to the high spots only to avoid a distorted appearance.  
Draft Barrier Heater Installation (Floor)  
1. Unpack the heater and pedestal(s) from the carton (The  
pedestals are packed at the end of carton) and lift the front/top  
panels up and off the heater.  
2. Disassemble the pedestal base from the pedestal pad.  
3. Remove the desired terminal box cover(s) and supply wire  
entry knockouts from the terminal boxes.  
Figure 2  
4. Secure a pedestal to each end of the heater bottom with #8  
screws provided aligning the back and front edges of the pad  
with the heater. This will align the supply entry knockout with  
opening in pedestal pad.  
TIP: Units longer than 4 feet will be provided with 3 or more  
pedestals. The extra pedestals should be used to support the  
middle of heaters.  
5. Place heater on the pedestal base(s) and tighten all screws.  
TIP: The height of the heater can be adjusted on the pedestal to  
aid in leveling the heater by loosening the securing bolt at the  
side of the pedestals.  
6. Remove the terminal box cover and proceed to wiring instructions.  
Figure 3  
WIRING  
and ground continuity. Do not exceed the allowable number of  
conductors allowed by the National electrical code.  
Ground Continuity —  
WARNING: Hazard of Electric Shock. Any installa-  
tion involving electric heaters must be effectively  
grounded in accordance with the National  
Electrical Code to eliminate shock hazard.  
Prior To Installation —  
WARNING: Hazard of Electric Shock. Disconnect all  
power before installing heater.  
Figure 4  
1. All branch circuit and service supply wiring must be complet-  
ed to the heater terminal box location.  
2. Check heater nameplate ratings to be sure heater voltage is  
Note: See Table 3 for recommended service supply wire sizes.  
same as service supply.  
3. Service supply entry is usually made to one heater terminal box  
(see Figure 3) with through wiring (Factory Installed) being  
used for interconnection of all heaters in a continuous run  
installation.  
4. Knockouts are provided at the back, bottom and ends of all  
heater backs (see Figure 3). Terminal boxes are located at both  
ends of every heater.  
Note: When heaters are mounted end to end, remove the finishing  
end plate, install a chase nipple and locknut in the terminal box  
end knockout to ensure grounding continuity and to protect the  
wiring.  
Where heaters are spaced apart, remove the finishing end plate,  
and use rigid conduit (Provided by customer) for through wiring  
WIRING  
Table 3: Service Supply Wiring Sizes  
Recommended Minimum supply wire sizes are listed in the table  
below:  
Table 4: Terminal Box Volumes (Cubic Inches)  
Heater Style  
Left Hand Box  
4” Wide  
Right Hand Box  
5” Wide  
Maximum Watts Per Circuit Using 75 Degree C. Wire  
Rough In  
CAF-6, CCAS-8  
33.25  
41.50  
Wire Size  
120V  
208V  
240V 277V  
347V  
480V  
600V  
3. Do a final and complete check of all wiring, then replace the  
terminal box covers being careful not to pinch any wires.  
4. The front/top panel may now be installed.  
14  
12  
10  
1440  
1920  
2880  
2496  
3328  
4992  
2880 3324  
3840 4432  
5760 6648  
4164  
5552  
5760  
7680  
7200  
9600  
Copper  
Wire  
8328 11520 14400  
WARNING: To prevent the risk of fire, do not oper-  
ate the heater without the front/top panels in place.  
1. Wire all heaters and controls in accordance with the appropri-  
ate wiring diagram provided on page 4.  
2. Run a ground jumper from the ground screw in one terminal  
box to the ground screw in the adjacent terminal box. (See  
Figure 4.)  
5. Place the front panel over the flange of the bottom panel. Hook  
the top back edge of the front panel over the back panel, and  
snap onto the plastic clips.  
WIRING DIAGRAMS  
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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