Rinnai INFINITY REU-3203W, Service Manual

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Infinity REU-3203W - 24 - ©Rinnai
15. Component Circuit Value Table
Component
Number
Component
Flow
Chart
No.
Maintenance
Monitor
Item
No.
Wiring
Diagram
No.
Wire
Colour
Resistance (De-
energised)
Voltage
(O=Operational,
S=Standby)
Notes
1 Combustion Fan 6 5 and 9 C
W-Br
DC 2-9 V(O)
60-360Hz (O)
Maintenance Moni-
tor items explain
how rotational fre-
quency can be
obtained
R-B
DC 7-45 V(O)
BLK-W
DC 5-10 V(O)
BLK-Y
DC 5-10 V(O)
2 Spark Generator 11
J
6
GY-
BLK
> 1 MegaOhm
Resistance of func-
tional component
AC 90-100 V (O)
3(a)
Main Solenoid
Valve
(SV
0
)
12
I
1
P-BLK
1.5 -1.9 K Ohm
Resistance of func-
tional component
DC 80-100 V (O)
3(b)
Solenoid Valve
(SV
1
)
13
I
2
R-BLK
1.8 -2.2 K Ohm
Resistance of func-
tional component
DC 80-100 V (O)
3(c)
Solenoid Valve
(SV
2
)
14
I
3
OR-
BLK
1.8 -2.2 K Ohm
Resistance of func-
tional component
DC 80-100 V (O)
3(d)
Main Solenoid
Valve
(SV
3
)
15
I
4
Y-BLK 1.8 -2.2 K Ohm
Resistance of func-
tional component
DC 80-100 V (O)
3(e)
Modulating
Valve
8
F
3
OR-OR 68-88 / 70-90 Ohm
AC 1.0-2.5 V (O)
DC 1-20 V (O)
4 Flame Rod 7
A
1
Y
> 1 MegaOhm
AC 100-160 V (S)
> 1 MicroAmp (O)
5 Earthing Leads
J
7
,PCB
and
Power
Supply
Lead
Y/GR
Earth Leads should
be securely fas-
tened to casing
near “E” marking
6 Thermal fuse 10
F
1
R-R
< 1 Ohm
7 Overheat Switch 16
F
2
R-R
< 1 Ohm
If resistance incor-
rect over heat
switch may be acti-
vated.
8
Water flow
Sensor
5 01
E
3
R-BLK
DC 11-13 V (O)
Operate condition
when flow greater
than 2.71/min.
Maintenance Mon-
itor items explain
how flow rate can
be determined
from controller dis-
play
Y-BR
DC 8-10 V (O)
Pulse 30-460Hz
9
Water flow
Servo
2,16 07
B
2
R-BR
10-30 Ohms DC 11-13 V (O)
GY-OR
DC 11-13 V (O)
Maintenance Moni-
tor item explains
how the position
(open or closed) of
the servo can be
determined from
the Controller dis-
play whilst the unit
is operational.
GY-Y
DC 4-6 V (O)
DC < 1 V (O)
GY-BR
DC 4-6 V (O)
DC < 1 V (O)