Diagnostics Points - Rinnai REU-VR3237WG Service Manual

12. Diagnostics Points

FLOW
COMPONENT
CHART
No.
1 SURGE PROTECTOR
2
WATER FLOW
CONTROL DEVICE
17
BY-PASS FLOW
3
CONTROL DEVICE
4
WATER CONTROLLER
5
WATER FLOW SENSOR
6
COMBUSTION FAN
7
FLAME ROD
8
MODULATING VALVE
9
OUTGOING THERMISTOR
HEAT EXCHANGER
10
OUTGOING THERMISTOR
12
THERMAL FUSE
13
IGNITER
14
MAIN SOLENOID VALVE
15
SOLENOID VALVE 1
16
SOLENOID VALVE 2
17
SOLENOID VALVE 3
Infinity REU-VR3237WG /HD250e REU-VRM3237WC
MEASUREMENT POINT
CN
WIRE COLOUR
D
B-Br
1
R-B
Gy-O
BELOW DC1V(LIMITER ON)
G
Gy-Y
6
DC4〜6V（LIMITER OFF）
BELOW DC1V(LIMITER ON)
Gy-Br
DC4〜6V（LIMITER OFF）
Br-W
DC12V（OPERATING DC2〜6V）
O-W
H
Y-W
1
R-W
GND
A
Bk-Bk
1
R-Bk
G
3
Y-Bk DC4〜7V（PULSE 17〜460Hz）
GND
R-Bk
B
Y-Bk
1
W-Bk
GND DC6〜45V
Y-BODY EARTH
E
1
Y-FLAME ROD
E
P-P
2
W-W
G
5
G
W-P
4
G
1
R-R
W-W
E
3
C
Gy-Gy
1
F
P-Bk
1
F
R-Bk
2
F
O-Bk
3
F
Y-Bk
4
- 15 -
NORMAL VALUE
AC207〜264V
DC11〜13V
DC11〜13V
15〜35Ω
DC11〜13V
DC11〜13V
DC6〜45V
DC11〜13V
（33〜400Hz）
AC5〜150V
OVER DC1μA
DC2〜15V
67〜81Ω
15°C... 11．4〜 14．0kΩ
30°C... 6．4〜 7．8kΩ
45°C... 3．6〜 4．5kΩ
60°C... 2．2〜 2．7kΩ
105°C... 0．6〜 0．8kΩ
BELOW 1Ω
AC207〜264V
DC11〜13V
37〜43Ω
DC11〜13V
37〜43Ω
DC11〜13V
37〜43Ω
DC11〜13V
35〜41Ω
NOTE
OPERATE ELECTRICITY
CONTROL ELECTRICITY
FULL OPEN POSITION
FULL CLOSE POSITION
ON2.7l/MIN (30Hz)
OVER 1800PULSE/MIN
OFF2.0l/MIN（20Hz）
BELOW 1200PULSE/MIN
AFTER IGNITION
FLAME CONDITION
Issue 1 - 19/05/09 ©Rinnai