→
Table
3
—
Electric
Heater
Electrical
Data
HEATER
PART
NO.
KW
PHASE
INTERNAL
CIRCUIT
PROTECTION
HEATER
AMPS
208/230V
MIN
AMPACITY
208/230V**
BRANCH
CIRCUIT
Min
Wire
Size
(AWG)
208/230v
††
Min
Gnd
Wire
Size
208/230v
Max
Fuse/Ckt
Bkr
Amps
208/230v
Max
Wire
Length
208/230v
(Ft)
‡‡
Single
Circuit
Dual
Circuit
Single
Circuit
Dual
Circuit
Single
Circuit
Dual
Circuit
Single
Circuit
Dual
Circuit
Single
Circuit
Dual
Circuit
Single
Circuit
Dual
Circuit
240v
208v
L1,L2
L3,L4
L1,L2
L3,L4
L1,L2
L3,L4
L1,L2
L3,L4
L1,L2
L3,L4
L1,L2
L3,L4
KFCEH0401N03
3
2.3
1
None
10.9/12.0
——
15.9/17.3
——
12/12
——
12/12
——
20/20
——
67/68
——
KFCEH0501N05
1
5
3.8
1
None
18.1/20.0
——
26.0/28.4
——
10/10
——
10/10
——
30/30
——
66/66
——
KFCEH0501N05
2
5
3.8
1
None
18.1/20.0
——
31.2/33.5
——
8/8
——
10/10
——
35/35
——
85/88
——
KFCEH2401C05
2
5
3.8
1
Ckt
Bkr
18.1/20.0
——
31.2/33.5
——
8/8
——
10/10
——
35/35
——
85/88
——
KFCEH2401N08
8
6.0
1
None
28.9/32.0
——
44.7/48.5
——
8/8
——
10/10
——
45/50
——
59/60
——
KFCEH2501C08
8
6.0
1
Ckt
Bkr
28.9/32.0
——
44.7/48.5
——
8/8
——
10/10
——
45/50
——
59/60
——
KFCEH2901N09***
9
6.8
1
None
32.8/36.0
——
49.5/53.5
——
8/6
——
10/10
——
50/60
——
54/87
——
KFCEH2901N09
‡
9
6.8
3
None
18.8/20.8
——
32.0/34.5
——
8/8
——
10/10
——
35/35
——
83/85
——
KFCEH0901N10
10
7.5
1
None
36.2/40.0
——
53.8/58.5
——
6/6
——
10/10
——
60/60
——
78/80
——
KFCEH2601C10
10
7.5
1
Ckt
Bkr
36.2/40.0
——
53.8/58.5
——
6/6
——
10/10
——
60/60
——
78/80
——
KFCEH3001F15***
15
11.3
1
Fuse
54.2/59.9
36.2/40.0
18.1/20.0
76.3/83.4
53.8/58.5
22.7/25.0
4/4
6/6
10/10
8/8
10/10
10/10
80/90
60/60
25/25
88/89
78/80
75/76
KFCEH2701C15***
KFCEH3101C15***
15
11.3
1
Ckt
Bkr
—
36.2/40.0
18.1/20.0
—
53.8/58.5
22.7/25.0
—
6/6
10/10
—
10/10
10/10
—
60/60
25/25
—
78/80
75/76
KFCEH1601315
15
11.3
3
None
31.3/34.6
——
47.7/51.8
——
8/6
——
10/10
——
50/60
——
56/90
——
KFCEH2001318
18
13.5
3
None
37.6/41.5
——
55.5/60.4
——
6/6
——
10/8
——
60/70
——
76/77
——
KFCEH3201F20***
20
15.0
1
Fuse
72.3/79.9
36.2/40.0
36.2/40.0
98.9/108.4
53.8/58.5
45.3/50.0
3/2
6/6
8/8
8/6
10/10
10/10
100/110
60/60
50/50
85/109
78/80
59/59
KFCEH2801C20***
KFCEH3301C20***
20
15.0
1
Ckt
Bkr
—
36.2/40.0
36.2/40.0
—
53.8/58.5
45.3/50.0
—
6/6
8/8
—
10/10
10/10
—
60/60
50/50
—
78/80
59/59
KFCEH3401F24
†
***
24
18.0
3
Fuse
50.1/55.4
——
71.2/77.8
——
4/4
——
8/8
——
80/80
——
94/95
——
24
18.0
1
Fuse
86.7/95.5
——
116.9/127.9
——
1/1
——
6/6
——
125/150
——
115/116
——
KFCEH3501F30
†
***
30
22.5
3
Fuse
62.6/69.2
——
86.8/95.0
——
3/3
——
8/8
——
90/100
——
97/98
——
30
22.5
1
Fuse
109.0/120.0
——
144.8/158.5
——
0/00
——
6/6
——
150/175
——
117/150
——
Table
4
—
Smart
Heat
Electrical
Data
HEATER
PART
NO.
KW
PHASE
INTERNAL
CIRCUIT
PROTECTION
HEATER
AMPS
208/230V
MIN
AMPACITY
208/230V**
BRANCH
CIRCUIT
Min
Wire
Size
(AWG)
208/230v
††
Min
Gnd
Wire
Size
208/230v
Max
Fuse/Ckt
Bkr
Amps
208/230v
Max
Wire
Length
208/230v
(Ft)
‡‡
Single
Circuit
Dual
Circuit
Single
Circuit
Dual
Circuit
Single
Circuit
Dual
Circuit
Single
Circuit
Dual
Circuit
Single
Circuit
Dual
Circuit
Single
Circuit
Dual
Circuit
240v
208v
L1,L2
L3,L4
L1,L2
L3,L4
L1,L2
L3,L4
L1,L2
L3,L4
L1,L2
L3,L4
L1,L2
L3,L4
KFCEH0101H10
9
6.8
1
None
32.5/35.9
——
44.0/48.3
——
8/8
——
10/10
——
45/50
——
60/61
——
KFCEH0201H15
15
11.3
1
Fuse
54.2/59.9
39.7/43.9
14.4/16.0
73.2/80.3
49.7/54.9
23.4/25.4
4/4
8/6
10/10
8/8
10/10
10/10
80/90
50/60
25/30
92/92
53/85
73/74
KFCEH0301H20
20
15.0
1
Fuse
72.3/79.9
36.2/40.0
36.2/40.0
97.2/106.7
52.0/56.8
45.3/50.0
3/2
6/6
8/8
8/6
10/10
10/10
100/110
60/60
50/50
87/111
81/82
93/93
Table
5
—
Field
Multipoint
Wiring
or
24-
and
30-Kw
Single
Phase
HEATER
PART
NO.
KW
PHASE
HEATER
AMPS
208/230V
MIN
AMPACITY
208/230V**
MIN
WIRE
SIZE
(AWG)
208/230V
††
MIN
GND
WIRE
SIZE
208/230V
MAX
FUSE/CKT
BKR
AMPS
208/230V
MAX
WIRE
LENGTH
208/230V
(FT)
‡‡
240V
208V
L1,L2
L3,L4
L5,L6
L1,L2
L3,L4
L5,L6
L1,L2
L3,L4
L5,L6
L1,L2
L3,L4
L5,L6
L1,L2
L3,L4
L5,L6
KFCEH3401F24
†
24
18.0
1
28.9/32.0
28.9/32.0
28.9/32.0
44.7/48.5
36.2/40.0
36.2/40.0
8/8
8/8
8/8
10/10
45/50
40/40
40/40
59/60
73/73
73/73
KFCEH3501F30
†
30
22.5
1
36.2/40.0
36.2/40.0
36.2/40.0
53.8/58.5
45.3/50.0
45.3/50.0
6/6
8/8
8/8
10/10
60/60
50/50
50/50
78/80
59/59
59/59
†
Field
convertible
to
1
phase,
single
or
multiple
supply
circuit.
‡
Field
convertible
to
3
phase.
**
Includes
blower
motor
amps
of
largest
fan
coil
used
with
heater.
††
Copper
wire
must
be
used.
If
other
than
uncoated
(non-plated),
75
°C
ambient,
copper
wire
(solid
wire
for
10
AWG
and
smaller,
stranded
wire
for
larger
than
10
AWG)
is
used,
consult
applicable
tables
of
the
National
Elect
ric
Code
(ANSI/NFPA
70).
‡‡
Length
shown
is
as
measured
1
way
along
wire
path
between
unit
and
service
panel
for
a
voltage
drop
not
to
exceed
2%.
***
Heaters
are
Intelligent
Heat
capable
when
used
with
the
FK4,
FV4,
and
40FK
fan
coils
and
corporate
2-speed
programmable
thermostat
(TSTATXXP2S01
-B),
or
Thermidistat
™
Control
(TSTATXXPRH01-B).
NOTES:
1.
For
fan
coil
sizes
018-036.
2.
For
fan
coil
sizes
042-060
and
all
FE4,
FK4,
FV4,
40FK
sizes.
3.
Single
circuit
application
of
F15
and
F20
heaters
requires
single-point
wiring
kit
accessory.
—4—
