Instruction manual

12
Wiring Diagram—Blower (PSC Motor)
Wiring Diagram—Optional Electric Heat
1
23
4
56
18 BK
24
18 R
18 BU
C
TR
COM
208V
240V
14 Y L2
14 BK L1
24V
(H) (H)53
12
TD **
14 R
18 BU
18 G
W1
W2
C
G
R
W
BK
BU
G
R
To
Thermostat
by Others
14 R (LO)
14 BK (HI)
14 Y (COM)
++
14 BU (MED)
Y
BU
BK
R
GND
BR / W
BR
CAP
++
2
3
1
4
+
MTR
Wiring Diagram - No Heat
Wire Nuts
by Others
L1
L2 or
Neutral
15 Amp
Supply
Voltage
6-Pin
Plug
To
Ground Lug
14 BK
14 Y (240V) 14 G
12
Models 12, 25, 31 and 49
Will Be Factory Set to Low.
Power (Factory Wired)
Power (Field Wired)
Control (Factory Wired)
Control (Field Wired)
1
2
3
4
5
6
Control Circuit Wiring to
be 24 Volt, N.E.C. Class 2
Plug Pin
Location
Amp 350781 - 1
6-Pin Cap
** TD = Time Delay (Optional)
TR = Transformer
BWR = Blower Relay
MTR = Blower Motor
CAP = Motor Capacitor
GND = Ground Connection
BK: Black W: White
R: Red G: Green
BU: Blue Y: Yellow
BWR
3
6
4
1
5
2
18 BK
12 BK
12 BK
12 BK
12 BK
12 BK
12 BK
12 BK
12 BK
12 Y
12 Y
LS3
LS4
12 Y
12 Y
SEQ2
2nd Stage
1st Stage
LS1
LS2
SEQ1
CB2
L1B
L2B
L2A
L1A
GND
*CB1
GND
14 BK
14 Y
14 G
14 R
18 BU
220
208 / 240
Voltage
by Others
18 BU
5
5
4
4
3
3
1
1
HE4
5
4
3
12 6
18 W
To Blower
Ground Lug
HE3
HE2
HE1
6-Pin Plug
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 (Optional)
* CB = Circuit Breaker (Optional)
SEQ = Sequencer
GND = Ground Lug
LS = Limit Switch
HE = Heater Element
Power (Factory Wired)
Power (Field Wired)
Control (Factory Wired)
Control (Field Wired)