Operational Flow Chart - Rinnai RCE-460PTR Service Manual

10. Operational Flow Chart

Heater ON
Power Point ON
No
I
Yes
No
II
Yes
No
ON/OFF SW.
1
Normal
Yes
ON/OFF sw. ON
A
Operation/Comb. Ind.
Illuminates (Green)
Display time6Room temp.
R.F detection
No
2 sw.temp. fuse
Normal
Yes
No
3 III
Yes
No
T/C output
4 C.M med ON
<10mV
Yes
5 Conv. motor Hi ON (a)
No
Fan motor
6
>6 r.p.m
Yes
5 Conv. motor Lo ON
(After 0.2 sec)
Sparker ON
7
Solenoid SV1 ON (b)
8
Solenoid SV2 ON
8
POV Med ON
9
No
Overheat TH
Sparker OFF
10
Normal
Yes
Room Temp.
No
Sparker OFF
11 Thermistor
Normal
Yes
9 POV Hi ON (after approx. 3 sec.)
No
T/C output
Sparker OFF
( 1mV)
(c)
Yes
output is the initial T/C
Operation/Comb. Indic.
check output +2mV
Illuminates (Red)
(min.3mV. max. 18mV)
5
Conv. motor med ON
Sparker OFF
Conv. motor Hi ON (10 sec. after (c))
5
Temp. check starts
5 C.M. Mod. control
M.V modulating. control
9
No
OH Thermistor
activates (65EC)
Yes
2
Filter indicator flashes
2
Yes
Safety device 10
activated
No
B
Convector 460/560PTR
73
Operation/Comb.
Ind. flashes (red)
71
Operation/Comb.
Ind. flashes (red)
70
Operation/Comb.
Ind. flashes (red)
14
Operation/Comb.
Ind. flashes (red)
Filter Ind. flashes
03
Operation/Comb.
Ind. flashes (red)
72
Operation/Comb.
Ind. flashes (red)
(After a max. of 50 sec)
(10 sec after (a))
62
Operation/Comb.
Ind. flashes (red)
33
(Disconnection)
(Short circuit)
34
Operation/Comb.
Ind. flashes (red)
31
(Disconnection)
32
(Short circuit)
Operation/Comb.
Ind. flashes (red)
(30 sec. after (b))
11
Operation/Comb.
1 Igniton sensed
Ind. flashes (red)
14 03
Operation/Comb. Operation/Comb.
Ind. flashes (red)
Ind. flashes (red)
Filter Ind. flashes
Rev. flame detection
sw. OFF (150EC)
3
Thermal fuse
discon. (216EC)
Gas disconn. device
when tilting is
OH thermistor
activated (50~80EC)
activated (70EC)
Cause eliminated
Power Point OFF
All indicators OFF
ON/OFF Switch OFF
C.M. OFF
C.M. OFF
(After max.255 sec)
C.M. OFF
C.M. med ON
SV1,SV2 OFF
POV OFF
(After 5 sec)
Conv. motor OFF
C.M. med OFF
SV1,SV2 OFF
POV OFF
Conv. motor OFF
SV1, SV2 OFF
M.V POV OFF
C.M. med ON
12 16
Operation/Comb. Operation/Comb.
Ind. flashes (red)
Ind. flashes (red)
12
11
Incomplete comb.
prevention safety
OFF Function act.
device is activated
>40EC 10 min
(*mV, 5 sec)
- 25 -
I: Micro-computer and E2PROM's signal path normal
II: Solenoid valve and Modulation valve rotation normal
III: Gas disconnection device normal when tilting
C.M.: Convection Motor
R.F.: Reverse Flame
SV: Solenoid
*
NG PROP.G
14mV 16mV
(150~255 sec)
SV1, SV2 OFF
POV OFF
70 62
Operation/Comb. Operation/Comb. Operation/Comb.
Ind. flashes (red) Ind. flashes (red)
Ind. flashes (red)
Re-instatement
12
1
Operation ceases
Fan motor error
ON/OFF switch
<350rpm, 4 sec)
Error (for 15 sec)
LPG
16mV
C.M Med ON
00
of power
Power failure
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