Installation, Operation
CAF-12 CCAS-12
4
and
(
(
S
S
u
u
p
p
e
e
r
r
s
s
e
e
d
d
e
e
s
s
P
P
F
F
4
4
9
2
3
3
)
-1)
PF493-1
161-506171-001
MAINTENANCE
JULY, 2002
Architectural Convection Heaters
Type CAF-12 and CCAS-12
CAF-12
TABLE 1 — Specifications
CCAS-12
Dimensions (In.)
Length
Model
Model
Volts
208
208
240
277
208
208
240
277
480
208
208
240
277
480
208
208
240
277
480
208
208
240
277
480
208
208
240
277
480
208
208
240
277
480
208
208
240
277
480
208
208
240
277
480
Phase
1
3
1
1
1
3
1
1
3
1
3
1
1
3
1
3
1
1
3
1
3
1
1
3
1
3
1
1
3
1
3
1
1
3
1
3
1
1
3
1
3
1
1
3
Watts
1125
1125
1125
1125
1500
1500
1500
1500
1500
1687
1687
1687
1687
1687
2250
2250
2250
2250
2250
3000
3000
3000
3000
3000
3375
3375
3375
3375
3375
4500
4500
4500
4500
4500
4500
4500
4500
4500
4500
6000
6000
6000
6000
6000
Amps
5.4
3.1
4.7
4.1
7.2
4.2
6.3
5.4
1.8
8.1
4.7
7
6.1
2
10.8
6.3
9.3
BTUH
3,838
3,838
3,838
3,838
5,118
5,118
5,118
5,118
5,118
5,756
5,756
5,756
5,756
5,756
7,677
7,677
Height
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
Depth
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
Weight (Lbs.)
19
CAF-12F211
CAF-12F211
CAF-12F211
CAF-12F211
CAF-12F215
CAF-12F215
CAF-12F215
CAF-12F215
CAF-12F215
CAF-12F316
CAF-12F316
CAF-12F316
CAF-12F316
CAF-12F316
CAF-12F422
CAF-12F422
CAF-12F422
CAF-12F422
CAF-12F422
CAF-12F430
CAF-12F430
CAF-12F430
CAF-12F430
CAF-12F430
CAF-12F633
CAF-12F633
CAF-12F633
CAF-12F633
CAF-12F633
CAF-12F645
CAF-12F645
CAF-12F645
CAF-12F645
CAF-12F645
CAF-12F845
CAF-12F845
CAF-12F845
CAF-12F845
CAF-12F845
CAF-12F860
CAF-12F860
CAF-12F860
CAF-12F860
CAF-12F860
CCAS-12F211
CCAS-12F211
CCAS-12F211
CCAS-12F211
CCAS-12F215
CCAS-12F215
CCAS-12F215
CCAS-12F215
CCAS-12F215
CCAS-12F316
CCAS-12F316
CCAS-12F316
CCAS-12F316
CCAS-12F316
CCAS-12F422
CCAS-12F422
CCAS-12F422
CCAS-12F422
CCAS-12F422
CCAS-12F430
CCAS-12F430
CCAS-12F430
CCAS-12F430
CCAS-12F430
CCAS-12F633
CCAS-12F633
CCAS-12F633
CCAS-12F633
CCAS-12F633
CCAS-12F645
CCAS-12F645
CCAS-12F645
CCAS-12F645
CCAS-12F645
CCAS-12F845
CCAS-12F845
CCAS-12F845
CCAS-12F845
CCAS-12F845
CCAS-12F860
CCAS-12F860
CCAS-12F860
CCAS-12F860
CCAS-12F860
24.3
24.3
24.3
24.3
24.3
24.3
24.3
24.3
24.3
36.3
36.3
36.3
36.3
36.3
48.3
48.3
48.3
48.3
48.3
48.3
48.3
48.3
48.3
48.3
72.3
72.3
72.3
72.3
72.3
72.3
72.3
72.3
72.3
72.3
96.3
96.3
96.3
96.3
96.3
96.3
96.3
96.3
96.3
96.3
19
19
19
19
19
19
19
19
24
24
24
24
24
29
29
29
29
29
29
29
29
29
29
39
39
39
39
39
39
39
39
39
7,677
7,677
7,677
8.1
2.7
14.4
8.3
12.5
10.8
3.6
16.2
9.4
14.1
12.2
4.1
21.6
12.5
18.8
16.2
5.4
21.6
12.5
18.8
16.2
5.4
28.8
16.7
25
21.7
7.2
10,236
10,236
10,236
10,236
10,236
11,515
11,515
11,515
11,515
11,515
15,354
15,354
15,354
15,354
15,354
15,354
15,354
15,354
15,354
15,354
20,472
20,472
20,472
20,472
20,472
39
49
49
49
49
49
49
49
49
49
49
© 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)
Figure 2
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.
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.
Length
CAF-12
Side View
12
1
(Less End Cap)
1-1/2
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.
2
Back View
1
5-3/4
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.
Terminal Box
2-3/4
Terminal Box
CCAS-12
12
Side View
(Less End Cap)
6. Remove the terminal box cover and proceed to wiring instructions.
Bottom View
1
1
(Front Inlet Version Shown)
5-3/4
Figure 3
WIRING
Ground Continuity —
Note: See Table 3 for recommended service supply wire sizes.
Note: All wiring should be done in accordance with local codes
and the National Electrical Code by a qualified person.
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 —
Figure 4
WARNING: Hazard of Electric Shock. Disconnect all
power before installing heater.
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.
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
same as service supply.
Table 3: Service Supply Wiring Sizes
Recommended minimum supply wire sizes are listed in the table
below:
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.
Maximum Watts Per Circuit Using 75 Degree C. Wire
Rough In
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.
Wire Size
120V
208V
240V 277V
347V 480V
600V
14
12
10
1440
1920
2880
2496
3328
4992
2880 3324
3840 4432
5760 6648
4164 5760
5552 7680
7200
9600
Copper
Wire
8328 11520 14400
Where heaters are spaced apart, remove the finishing end plate,
and use rigid conduit (Provided by customer) for through wiring
and ground continuity. Do not exceed the allowable number of
conductors allowed by the National Electrical Code.
WIRING
1. Wire all heaters and controls in accordance with the appropri-
Table 2: Terminal Box Volumes (Cubic Inches)
ate wiring diagram provided below.
Heater Style
Left Hand Box
4” Wide
Right Hand Box
5” Wide
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.)
CAF-12, CCAS-12
146.25
182.75
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 panel may now be installed.
5. Place the front panel over the flange of the bottom panel.
Hook the top back edge of the front panel over the top panel,
and secure with screws.
WARNING: TO PREVENT THE RISK OF FIRE, DO NOT
OPERATE THE HEATER WITHOUT THE FRONT
PANEL IN PLACE.
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
|