Rinnai REU-V1620WB, Service Manual

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REU-V1620WG / REU-V1620WB / REU-V1620WS / REU-V2024WG
- 16 -
Issue 1 - 6/04/09 ©Rinnai
DIAGNOSTIC POINTS TABLE
Wiring Diagram Measurement Point
12. Dip Switch Settings
Contact Rinnai for Dip Switch Settings.
FLOW
CHART
No.
COMPONENT
MEASUREMENT POINT
CN
WIRE COLOUR
NOTE
1
SURGE PROTECTOR AC207 〜 264V
DC11
〜
13V
REMOTE CONTROL
3
DC11 〜 13V
R-Bk
E
2
WATER FLOW SENSOR
4
5
Gy-Gy
C
1
IGNITER
P-Bk
MAIN SOLENOID VALVE
B-Bk
I
6
P-P
I
3
THERMAL FUSES
I
1
W-R
Bk-R
B-R
E
4
W-W
Y-Bk
DC4 〜 7V(PULSE 20 〜 320Hz)
R-Bk DC15
〜
46V
AC207 〜 264V
DC11
〜
13V
37
〜
43Ω
65
〜
85Ω
DC2
〜
15V
MODULATING
SOLENOID VALVE
Y-Bk
BELOW 1Ω
WATER FLOW
CONTROL DEVICE
Br-Gy
Y-Gy
R-B
BELOW DC1V(LIMITER ON)
±DC11
〜
13V
DC4
〜
6V(LIMITER OFF)
FULL OPEN POSITION
OPERATE ELECTRICITY
BELOW DC1V(LIMITER ON)
DC4
〜 6V(LIMITER OFF)
ON2.4L/MIN (33Hz)
OVER 1980PULSE/MIN
GND
F
3
B-Br
A
1
COMBUSTION FAN
6
OVER DC1μA
FLAME ROD
I
4
7
10
11
12
14
15°C…11.4
〜
14.0
k
Ω
30°C… 6.4
〜
7.8
k
Ω
45°C… 3.6 〜 4.5 k Ω
60°C… 2.2
〜
2.7
k
Ω
105°C… 0.6 〜 0.8 k Ω
I
5
I
7
OFF1.7
Ｌ
/MIN (23Hz)
BELOW 1380PULSE/MIN
E
5
(20
〜
400Hz)
DC11
〜
13V
DC11 〜 13V
2
15
SOLENOID VALVE 1
SOLENOID VALVE 2
NORMAL VALUE
FULL CLOSE POSITION
FLAME CONDITION
B
1
GND
W-Bk
Y-Bk DC11 〜 13V
DC5
〜
10V
Y-FLAME ROD
E
1
9
35 〜 41Ω
37
〜
43Ω
(SMALL)
(LARGE)
OUTGOING WATER
THERMISTOR
(ONLY WHEN OPERATING)
BY-PASS FLOW
CONTROL DEVICE
H
1
Br-W
O-W
Y-W
R-W
DC12V(OPERATING DC2 〜 6V)
15
〜
35Ω
Bk-Bk
8
HEAT EXCHANGER
THERMISTOR
E
3
13
GND
GND
(16 series)
(20 series)
(24/26 series)