User manual

35
DIAGNOSTIC POINTS
Diagnostic Points- To be read in conjunction with the wiring diagram.
COMPONENT

SURGE PROTECTOR


WATER FLOW
CONTROL DEVICE


BY-PASS FLOW
CONTROL DEVICE

REMOTE CONTROL 

WATER FLOW SENSOR

COMBUSTION FAN

FLAME ROD

MODULATING VALVE

OUTGOING THERMISTOR
HEAT EXCHANGER
OUTGOING THERMISTOR

THERMAL FUSE

IGNITER

MAIN SOLENOID VALVE

SOLENOID VALVE 1

SOLENOID VALVE 2

SOLENOID VALVE 3


B-Br
R-B
Gy-Or
Gy-Y
Gy-Br
Br-W 
Or-W 
Y-W 
R-W
GND
Bk-Bk
R-Bk
Y-Bk
GND
W-Bk GND
CHECK TERMINAL
Y-BODY EARTH
Or-Or
W-W
R-R
Gy-Bk
P-Bk
R-Bk
Or-Bk
Y-Bk


1 


2
16



3


4

5

6
7
8
9 
10
11
12
13
14
15
A NOTE


OPERATE ELECTRICITY
CONTROL ELECTRICITY

FULL OPEN POSITION 
FULL CLOSE POSITION
OPERATE CONDITION


ON2.4L/min〔33Hz〕
OVER 1800PULSE/MIN
OFF1.7L/min〔23Hz〕
BELOW 1200PULSE/min

NO FLAME CONDITION
FLAME CONDITION
NORMAL VALUE

AC207∼264V
DC11∼13V
DC11∼13V
BELOW DC1V〔LIMITER ON〕
DC4∼6V 〔LIMITER OFF〕 
BELOW DC1V〔LIMITER ON〕 
DC4∼6V 〔LIMITER OFF〕
DC2∼6V
15∼35Ω
DC11∼13V
DC11∼13V
DC4∼7V〔PULSE 17∼460Hz〕
DC2∼9V
60∼360Hz
AC100∼160V
OVER DC1μA
AC1.0∼25V
70∼90Ω
15℃…11.4∼14.0kΩ
30℃…6.4∼7.8kΩ
45℃…3.6∼4.5kΩ
60℃…2.2∼2.7kΩ
105℃…0.6∼0.8kΩ
BELOW 1Ω
AC90∼110V
DC80∼100V

1.5∼1.9kΩ
DC80∼100V
1.8∼2.2kΩ
DC80∼100V
1.8∼2.2kΩ
DC80∼100V
1.8∼2.2kΩ


J7



B2



B1

H1

E3

C

A1

F3

E1
E2

F1

J6

I 1

I 2

I
3

I 4
FLOW
CHART
NO.
MEASUREMENT POINT
CN WIRE COLOR
TRANSFORMER
VOLTAGES AND
RESISTANCE
CN

A2

D

A

A
WIRE COLOR

R-R

Gr-Gr

Br-Gy

Y-Gy
NORMAL VALUE

AC90∼110Ｖ
12∼21Ω

AC12∼18Ｖ
2.4∼4.3Ω

AC30∼50Ｖ
2.2∼3.9Ω

AC180∼220Ｖ
300∼530Ω