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—7—
FAN COIL ELECTRICAL DATA
(UNITS WITHOUT ELECTRICAL HEAT)
* Use copper wire only. 75°C must be used in this application. When using non-metallic (NM) sheathed cable, wire size required should be based on
that of 60°C conductors, instead of wire sizes shown in table above per NEC 1999 Article 336-26.
FLA
— Full Load Amps
NOTE:
If branch circuit wire length exceeds 100 ft., consult NEC 215-2 to determine maximum wire length. Use 2% voltage drop.
ELECTRIC HEATER INTERNAL PROTECTION*
* 5-, 8-, 10-kw factory-installed heat has no internal protection. 15-kw factory-installed heat is internally protected with fuses.
** KFCEH1401N09 is single phase only.
† Circuit breakers are 2 pole.
ELECTRIC HEATERS
UNIT
SIZE
VOLTS
(1 PHASE) FLA
MIN
CKT
AMPS
BRANCH CIRCUIT
Min Wire
Size AWG* Fuse Amps
001 208/230 1.8 2.3 14 15
002 208/230 2.7 3.4 14 15
003 208/230 4.3 5.4 14 15
004 208/230 5.4 6.8 14 15
HEATER KW PHASE
FUSES
QTY/SIZE
CKT BKR
QTY/SIZE†
31 ——
51 — 1/60
81 — 1/60
10 1 — 1/60
15 1 2/30 – 2/60 2/60
20 1 4/60 2/60
24 3/1 6/60 —
30 3/1 6/60 —
9 1/3** ——
15 3 ——
18 3 ——
HEATER
PART NO.
KW
@ 240V VOLTS/PHASE
STAGES (KW
OPERATING)
INTERNAL
CIRCUIT
PROTECTION
FAN COIL SIZE
USED WITH
HEATING CAP. **
@ 230V
KFCEH0401N03 3 230/1 3 None 001 9,400
KFCEH0501N05 5 230/1 5 None 001, 002 15,700
KFCEH0801N08 8 230/1 8 None 001–004 25,100
KFCEH0901N10 10 230/1 10 None 001–004 31,400
KFCEH3201F20 20 230/1 5, 20 Fuse‡ 002–004 62,800
KFCEH1601315 15 230/3 5, 15 None 002–004 47,100
KFCEH2001318 18 230/3 6, 12, 18 None 003, 004 56,500
KFCEH3401F24 24 230/3* 8, 16, 24 Fuse 003, 004 75,300
KFCEH3501F30 30 230/3* 10, 20, 30 Fuse 003, 004 94,100
KFCEH2401C05 5 230/1 5 Circuit Breaker 001, 002 15,700
KFCEH2501C08 8 230/1 8 Circuit Breaker 001, 002 25,100
KFCEH2601C10 10 230/1 10 Circuit Breaker 001–004 31,400
KFCEH3301C20 20 230/1 5, 20 Circuit Breaker 002–004 62,800
KFCEH2901N09 9 230/1† 3, 9 None 002–004 28,200
KFCEH3001F15 15 230/1 5, 15 Fuse‡ 001–004 47,100
KFCEH3101C15 15 230/1 5, 15 Circuit Breaker 001–004 47,100