Installation Manual

64
WIRING DIAGRAM
Splice
Splice
Green
Green
Ferrite
Bead
Transformer
Secondary
White / Red
White / Blue
Transformer
Primary
Black
White
Transformer
Power
Supply J2
1 Blue
3 Orange
4 White/Green
Power
Supply J1
2 White
3 Black
Power
Supply
Central Control Board
(CCB)
Blower
8 White
Field Box
HIGH Voltage
J1
7 Black
6 Red
5 Green
4 White
3 Black
2 Red
Green
Neutral
L1
Pump Common
Pump NO
AUX NO
AUX Common
AUX NC
PE
Junction Box
CCB J16
Low Voltage In
1 White/Red
2 White/Blue
4 Blue
5 Orange
6 White/Green
24VAC
24VAC
12VDC
5VDC
Dgnd
9 White
CCB J1
HIGH Voltage In
8 Black
7 Red
6 Green
3 Black
4 White
5
2 Red
1
Neutral
L1
Pump Common
Pump NO
AUX NO
AUX Common
AUX NC
PE
CCB J13
Display / AIN
Green
Yellow
Splice
Blue
Blue
CCB J14
Limit String
1 Blue
2 Green
3 Yellow
4 Black
6 Black
7 Red
8 Black
9 Red
10 Black
11 Red
12 Black
Anode
Dgnd
Flame Rod
Condensate
Gas PS
Gas V Switch
Gas V 24V
24V Rtn
Condensate
Gas PS
Gas V Switch
1 Red
2 Black
CCB J6
120V Out
Neutral
120 to Spark
Gas Pressure
Switch
Red
Black
Red
Black
Upper Temperature
Probe / ECO
1 Red
2 Black
CCB J9
Upper Probe
ECO
Thermistor
4 Red
3 Black
ECO
Thermistor
1 Black
2 Black
CCB J10
Lower Probe
Thermistor
Thermistor
Black
Black
Lower
Temperature
Probe
Gas Valve
Ground Bar
Hot
Neutral
Blue
Brown
Spark
Module
120V
Neutral
L1
Neutral
Protective
Earth
= multi-conductor power limited cable, 18AWG 80°C 300V UL category QPTZ
Connects
to burner
bolt
= Spark ignition wire, 220°C 25kVDC 8mm EMI suppression
Spark
Rod
Anode
Rod
Flame
Rod
Anode
Rod
Splice
CCB J5
VFD LOGIC
1 Blue
3 White/Black
4 Yellow
5 White/Green
6 White
7 White/Yellow
24Vureg
Speed f-back
Dgnd
0 to 10V
24V enable
Drive enable
1 Blue
2 White/Green
3 Yellow
BLOWER
FEEDBACK
24Vureg
Dgnd
Speed f-back
White/Green
VFD
1 White/Green
2 White/Black
3 White/Yellow
VFD
LOGIC
4 White
Dgnd
0 to 10V
Drive enable
24V enable
1 Black
2 Green
3 White
120V to VFD
CCB J17
Low Voltage Field
No factory
connections
Gas Valve
Power Switch
P1-1
W1-Red
P1-2
W2-Green
P1-3
W3-White/Brown
P1-4
W4-White/Blue
CCB J12
Configuration Key
SDA (data)
SCL (data)
Write protect
P1-5
P1-6
W5-White/Orange
+5V
Dgnd
Configuration
Key
Outlet Pressure
Switch
1 Black
2 Red
CCB J15 Pressure Switches
Inlet return / Prover power
Outlet return / Inlet power
4 Green
3 White
Outlet power
Prover return
Inlet Pressure
Switch
Blower Prover
Pressure
Switch
Display
Display / AIN
= 18AWG AWM wire 105°C 600V UL style 1015. Flame rod wire = 200°C 300V UL 1180.
Figure 58