Noritz NRC661-DV, Руководство по обслуживанию, Страница: 38 / 78

38
A B
A
Check for the burner injector clogging and the gas / model type
setting, then replace the Gas Valve.
Check the resistance between the terminals of
the Gas Proportion . e v l a V g n i
Replace the Gas Valve.
Check the voltage between the terminals of the Gas o ( e v l a V g n i n o it r o p o r P n t .) r o t c e n n o c e h
Check the voltage between the Gas Proportio e v l a V g n i n
(on the Circuit Board).
DC 0.3 - 15 V
CN10 : Between Red 4 - Blue 3
DC 0.3 - 15V
CN10 : Between Red 4 - Blue 3
50 - 80
Check the voltage to the Primary Gas Solenoid Valve (SV0)
and the Gas Solenoid Va lve-1 (SV1).
Check the resistance to the Primary Gas Solenoid Valve (SV0)
and the Gas Solenoid Valve-1 (SV1).
When measuring the resistance, disconnect the connector
and check from the disconnected connector side.
When measuring the resistance, disconnect
the connector and check the male side.
Replace the Circuit Board set.
Replace the Circuit Board set.
Check for improper connection of wiring.
Check for improper connection of wiring.
then replace the Gas Valve or Manifold Plate.
SV0 CN10 : Between White 10 - Blue 11
DC1 - 16V
1
Normal
Normal
Normal
Normal
Normal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
SV1 CN10 : Between Black 8 - Blue 11
DC1 - 16V
2
SV0 CN10 : Between White 10 - Blue 11
20 - 35
1
SV1 CN10 : Between Black 8 - Blue 11
35 - 65
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
BL
R
W
O
GY
BK
W
BL
W
BL
* It is not necessary to replace the
Display Window Circuit Board.
* It is not necessary to replace the
Display Window Circuit Board.
<CN10>
Display Window
Circuit Board
Dip Switch
Data
Displ ay
1 2 3 4
R BL BL BL
<CN142>
14
13
12
11
10
9
8
7
6
5
4
3
2
1
12
11
10
9
8
7
6
5
4
3
2
1
3
2
1
W
Y
O
R
BK
V
G
O
Y
W
4
3
2
1
BL
BL
BL
R
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
2
3
4
5
6
7
4 3 2 1
BR Y BL R
R
O
Y
W
BL
R
W
O
GY
BK
W
BL
W
BL
2
1
BL/W
BK BK 4 2
W W
Fuse
3 1
R/R G
3 2 1
BL
6
5
4
3
2
1
BK
R
W
W
3
2
1 R
BL
G
BL
W
R
Y
BK
BK
W
W
BK
W
<CN63>
<CN135>
<CN78>
<CN59>
<CN142>
<CN104>
<CN27>
<CN92>
<CN101>
<CN10>
<CN75>
<CN102>
<CN89A>
<CN89B>
<CN42>
Main
Circuit
Board
Po wer
Circuit
Board
Circuit Board
1 2 3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
BL
R
W
O
GY
BK
W
BL
W
BL
<CN10>
Display Window
Circuit Board
Dip Switch
Data
Displ ay
1 2 3 4
R BL BL BL
<CN142>
14
13
12
11
10
9
8
7
6
5
4
3
2
1
12
11
10
9
8
7
6
5
4
3
2
1
3
2
1
W
Y
O
R
BK
V
G
O
Y
W
4
3
2
1
BL
BL
BL
R
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
2
3
4
5
6
7
4 3 2 1
BR Y BL R
R
O
Y
W
BL
R
W
O
GY
BK
W
BL
W
BL
2
1
BL/W
BK BK 4 2
W W
Fuse
3 1
R/R G
3 2 1
BL
6
5
4
3
2
1
BK
R
W
W
3
2
1 R
BL
G
BL
W
R
Y
BK
BK
W
W
BK
W
<CN63>
<CN135>
<CN78>
<CN59>
<CN142>
<CN104>
<CN27>
<CN92>
<CN101>
<CN10>
<CN75>
<CN102> <CN89A>
<CN89B>
<CN42>
Main
Circuit
Board
Po wer
Circuit
Board
Circuit Board
1 2 3
Po ssible
Impossible
Check whether the manifold gas pressure can be
adjusted.
Recheck after adjusting
the manifold gas pressure.