Rinnai REU-VR1620WB, Service Manual

Page: 22 / 55

REU-VR1620WG / REU-VR1620WB / REU-VR1620WS / REU-VR2024WG - 17 - Issue 1 - 5/08/09 ©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
COMMENT
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
P-P
THERMAL FUSES
I
1
W-R
Bk-R
B-R
E
4
Y-Bk
R-Bk DC15 〜 46V
AC207 〜 264V
65
〜
85Ω
DC2 〜 15V MODULATING
SOLENOID VALVE
BELOW 1Ω
WATER FLOW
CONTROL DEVICE
Br-Gy
Y-Gy
R-B
BELOW DC1V(LIMITER ON)
DC4
〜
6V(LIMITER OFF)
OPERATE ELECTRICITY
BELOW DC1V(LIMITER ON)
GND
F
3
B-Br
A
1
COMBUSTION FAN
6
OVER DC1μA
FLAME ROD 7
10
11
12
15°C…11.4
〜
14.0 kΩ
30°C…6.4
〜
7.8 kΩ
45°C…3.6
〜
4.5 kΩ
60°C…2.2
〜
2.7 kΩ
105°C…0.6
〜
0.8 kΩ
E
5
(20 〜 400Hz)
SOLENOID VALVE 1
NORMAL VALUE
FULL CLOSE POSITION
FLAME CONDITION
B
1
GND
W-Bk
Y-Bk DC11 〜 13V
DC5 〜 10V
Y-FLAME ROD
E
1
9
(SMALL)
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)
ON2.4L/MIN (33Hz)
OVER 1980PULSE/MIN
OFF1.7L/MIN (23Hz)
BELOW 1380PULSE/MIN
W-W
W-W
B-B
(LARGE)
Y-Bk
14
SOLENOID VALVE 2
15
SOLENOID VALVE 3
(On the Manifold)
Br-Bk
DC11
〜
13V
DC11 〜 13V
35
〜
41Ω
DC11
〜
13V
35 〜 41Ω
DC11 〜 13V
37
〜
43Ω
37 〜 43Ω
I
3
I
2
I
4
I
5
I
6
I
7
FULL OPEN POSITION
2630 series only
2630 series only
2
±DC11
〜
13V
DC4 〜 7V(PULSE 20 〜 320Hz)
DC4 〜 6V(LIMITER OFF)