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Wiring Diagram - Electric Heat and Blower
Part No. 065866900
L1B
L2B
Line Voltage
by Others
L1A
L2A
To Blower
Ground Lug
2
1
2
1
24
COM
208V
240V
C
TR
120V
OR
220V
12
Wiring Diagram - Electric Heat
SEQ2
CB2
12 BK
5
12 BK
3
12 Y
12 Y
GND.
SEQ1
CB1
5
12 BK
12 BK
3
12 Y
12 Y
GND
3
4
3
4
18 R
18 BU
H
TD
1
3
6
5
4
2
BR
2nd Stage
18 BK
LS3
12 BK
4
1
12 BK
LS4
1st Stage
LS1
4
12 BK
1
12 BK
LS2
6-Pin
5
6
Plug
5
6
18 BK
W2
18 W
W1
18 BU
C
18 G
H
G
18 R
R
**
4
R
14 R (LO)
3
MTR
BK
14 BK (HI)
2
+
14 Y (COM)
Y
1
+
W (IF 120V)
Heaters Used
5 KW = HE1
7.5 & 10 KW = HE1 & HE2
15 KW = HE1,HE2 & HE3
20 KW = HE1,HE2,HE3 & HE4
TB = Terminal Block
CB = Circuit Breaker
SEQ = Sequencer
GND = Ground Lug
LS = Limit Switch
HE = Heater Element
Power (Factory Wired)
Power (Field Wired)
Control (Factory Wired)
Control (Field Wired)
Control Circuit Wiring To
Be 24 Volt, N.E.C. Class 2
Plug Pin
Location
1
1
4
4
BK
**
W
TD = Time Delay (Opt.)
TR = Transformer
BU
BR = Blower Relay
MTR = Blower Motor
CAP = Motor Capacitor
G
GND = Ground Connection
R
Wiring Diagram: No Heat
Wire Nuts
By Others
GND
BR/W
BR
Cap
1
2
6-Pin
To
Plug
Ground Lug
(Opt.)
(Opt.)
Amp 350781-1
6-Pin Cap
2
2
3
3
5
5
6
6
L1
15 Amp
L2 OR
Supply
N
Voltage
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