KING KBP2406 - Advanced Wiring Options; 3-Phase to 1-Phase Diagram; Field Wattage Selection (3-Phase;1-Phase)

1900 • 2850 • 3800 • 4750 • 5700
WATTAGES AVAILABLE IN ONE UNIT
KBP2406-3MP and KBP2006-3MP
1. Factory wired for 3-Phase.
2. For conversion to 1-Phase:
a) Move wire X - Black from T2 to T1.
b) Move wire Y - Red from T2 to T3.
c) Make power connections to L1 & L3.
Red
Red
Red
Y-Red
Red
Red
Purple
THERMOSTAT
LIMIT
MOTOR
FAN
DELAY
Yellow
Blue
Gray
Red
A
B
C
D
E
F
G
H
I
J
T1
T2
T3
L1
L2
L3
Coil
1
2
3
Black
Black
Black
Black
X-Black
Black
Black
Black
Field Wattage Selection
1. 3-Phase
a) 5700 Watts factory wired
b) 2850 Watts- disconnect B, E, H
2. 1-Phase
a) 5700 Watts factory wired
b) 4750 Watts - disconnect H
c) 3800 Watts - disconnect H, B
d) 2850 Watts - disconnect H, B, E
e) 1900 Watts - disconnect H, C, E, A
Black
X - Black
Y - Red
Red
Contactor
T1
T2
T3
L1
L2
Coil
240/208V
Contactor
3-Phase to 1-Phase Diagram
1. Remove wiring compartment cover.
2. Remove one of the knockouts from back of unit.
It is not necessary to remove grill covers.
3. Size service wire to adequately handle Amp load
of heater. Refer to the Circuit Sizing Table for
proper wire size and circuit protection.
4. Connect supply wire to L1, L2 & L3 for 3-Phase
or L1 and L3 for 1-Phase as shown in the diagram
below. Connect to the lugs on the line side of the
contactor.
5. Secure power supply cable with clamps.
6. Connect groundwire to the green pigtail.
7. Reinstall wiring compartment cover.
8. Adjust the heater to the desired position.
WARNING - Before proceeding further with the
installation of this heater, turn off the power and lock
the supply line for the heater at the main service panel.
Wiring Heater
King electrical mfg. company 9131 - 10th Avenue South Seattle, Washington 98108
ELEMENT
2007 KBP 3-P.indd : 5/08
Pic-A-Watt
Metal Sheath Element
®
CIRCUIT SIZING TABLE
Watts
BTUH Volts
Amps
1-Phase
Wire
Size
Circuit
Protection
1,900
2,850
3,800
4,750
5,700
2,850
5,700
6,484
9,727
12,969
16,211
19,454
9,727
19,454
208
240
208
240
208
240
208
240
208
240
208
240
208
240
9.1
7.9
13.7
11.9
18.3
15.8
22.8
19.8
27.4
23.7
7.9
6.8
15.8
13.7
#14 / 2
#12 / 2
#14 / 2
#10 / 2
#12 / 2
#8 / 2
#10 / 2
#10 / 2
#14 / 3
#12 / 3
15A - 2P
20A - 2P
15A - 2P
30A - 2P
20A - 2P
40A - 2P
30A - 2P
30A - 2P
15A - 3P
20A - 3P
Watts
BTUH Volts
Amps
3-Phase
Wire
Size
Circuit
Protection
* Per the National Electric code heating circuits are considered a continuous load
and therefore must be derated by 20%. For example: a 20 Amp heating circuit cannot
have more than 16 Amps of load connected.
T1T1
L1
L2
L3