A.O. Smith Cyclone XL BTHS 1000A User Manual

39
WIRING DIAGRAMWIRING DIAGRAM
Splice
Splice
Green
Green
Ferrite
Bead
Tr
ansformer
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
75VA
Power
Supply
Central Control Board
(CCB)
Blower
1 Black
2 White
3 Green
120V OUT to blower
L1
Neutral
PE
1 White / Brown
2 White / Orange
4 White / Blue
Blower
Speed
5 White / Green
24Vureg
PWM Signal
Speed f-back
Dgnd
8 White
Field Box
HIGH Voltage
J1
7 Black
6 Red
5 Green
Green
Neutral
L1
Aux 2 Common
Aux 2 NO
Open
Open
Open
Open
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 J5
Blo
wer Logic
1 White/Brown
2 White/Blue
4 White/Orange
5 White/Green
24Vureg
PWM Signal
Speed f-back
Dgnd
Green
Yellow
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
Red
Black
Red
Black
Upper Temperature
Probe / ECO
1 Red
2 Black
CCB J9
Upper Probe
ECO
Thermistor
4 Red
3 Black
ECO
Thermistor
Gas Valve
Ground Bar
N
L
Heater
Pump
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 7mm EMI suppression
Flame
Rod
CCB J17
Low Voltage Field
No factory
connections
Enable/Disable Switch
CCB J10
Thermistor
Thermistor
Splice
Blue
Blue
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
Outlet return / Inlet power
4 Green
Outlet power
Inlet Pressure
Switch
= 18AWG AWM wire 105°C 600V UL style 1015. Flame rod wire = 200°C 300V UL 1180.
Spark
Module
120V
Neutral
Spark
Rod
1 Red
2 Black
3 Green
Ground
BURNER
BOLT
L1
+5V
Data +
Data -
D gnd
1 Blue
3 Yellow
4 Orange
5 Violet
1 Blue
3 Yellow
4 Orange
5 Violet
Display J1
CCB J3
+5V
Data +
Data -
D gnd
Top
Anode
Rod
Blue
CCB J13
CPAM
Anode
Side
Side
Rod
Anode
Rod
Blue
Blue
Top
Anode
Rod
Top
Anode
Rod
1 Black
2 Black
3 Red
4 Red
CCB J4
Flue Probe
Flow Switch

A.O. Smith Cyclone XL BTHS 1000A Specifications

General

Category	Water Heater
Frequency	60 Hz
Model	BTHS 1000A
Power	1000 kW
Water Pressure	150 psi