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WIRING HEATER AS A SINGLE POINT POWER
CONNECTION
1. Size the wire gage for base unit and heater combinations
per NEC (U.S.A. Standard). Refer to Tables 4A-9B for
wire sizing and connection diagram.
2. Run the high-voltage and ground leads through the ap-
propriate knockout. Run leads through the high-voltage
raceway to the electric heater control box.
3. Connect the ground lead to the ground lug attached to the
unit control box surface. See Fig. 3.
4. Units with fuses:
Connect the power leads to the fuse block and connect
the leads from the unit to the stripped leads from the
fuse block. (Refer to proper connection diagram —
Fig. 20-33.)
Close door to electric heater control box making sure that
the door engages the dimple in the control box, which
will lock the door into place.
Units without fuses:
Connect power leads to heater and unit leads using connnec-
tors provided. (Refer to proper connection diagram —
Fig. 26-33.)
5. Install blower/control box access panel and restore power
to the unit.
Table 3A — Power Connection Data; 60 Hz (Dual-Point Electric Heater Only)
HEATER
CONNECTION
MODEL
DIAGRAM
NUMBER
(Fig. No.)
CPHEATER
001A00
002A00
003A00
004A00
005A00
006A00
007A00
008A00
009A00
010A00
011A00
012A00
Table 3B — Power Connection Data; 50 Hz (Dual-Point Electric Heater Only)
HEATER
CONNECTION
MODEL
NUMBER
CPHEATER
007A00
008A00
009A00
010A00
011A00
012A00
LEGEND FOR TABLES 3A AND 3B
MCA
— Minimum Circuit Amps
MOCP — Maximum Overcurrent Protection
*V-Ph-Hz.
RATING
kW
20
3.75/5.0
21
5.6/7.5
21
7.5/10.0
22
11.3/15.0
22
13.1/17.5
23
15.0/20.0
24
7.5/10.0
24
11.3/15.0
24
13.1/17.5
25
10.0
25
15.0
25
17.5
RATING
DIAGRAM
kW
(Fig. No.)
24
8.4
24
12.6
24
14.7
25
6.9
25
10.4
25
12.1
Fig. 19 — Power Supply Connections
BASE UNIT APPLICATION
(Unit Size)
018, 024, 030, 036, 042, 048, 060
018, 024, 030, 036, 042, 048, 060
018, 024, 030, 036, 042, 048, 060
030, 036, 042, 048, 060
036
042, 048, 060
030, 036, 042, 048, 060
030, 036, 042, 048, 060
036, 042, 048, 060
036, 042, 048, 060
036, 042, 048, 060
036, 042, 048, 060
BASE UNIT APPLICATION
(Unit Size)
024, 030, 036, 048, 060
036, 048, 060
048, 060
024, 030, 036, 048, 060
024, 030, 036, 048, 060
048, 060
6
POWER LUGS
MCA
MOCP
208/240-1-60*
22.5/26.0
25/30
33.7/39.1
35/40
45.1/50.8
50/60
67.9/78.1
70/80
82.0/93.8
90/100
90.1/104.2
100/110
208/240-3-60*
26.1/30.1
30/35
39.1/45.2
40/50
45.6/51.3
50/60
480-3-60*
15.3
20
22.6
25
26.3
30
MCA
MOCP
220-3-50*
29.0
30
43.5
50
50.6
60
400-3-50*
13.1
15
19.8
20
23.1
25
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