Rinnai 2424WC manual Diagnostic Points

INSTALLER’S

INSTALLATION INSTRUCTIONS

Diagnostic Points

Flow

Measurement Point

Chart

Normal Value

Component

Con N0

Wire Color

0

N

1

J4

Brown - Blue

AC 108 - 132 V

Surge Protector

2

H1

Black - Black

DC 11 - 13 V

Remote Control

Red - Black

DC 11 - 13 V

3

C2

Water Flow Sensor

Yellow - Black

DC 2 - 10 V

White - Black

DC 2 - 9 V

4

D

Combustion Fan Motor

Red - Yellow

60 - 350 Hz

5

A2

Yellow - Cabinet Ground

AC 100 - 160 V

Flame Rod

(over DC 1µA)

Thermistor resistance value

Temp

Resistance

15°C

11.4 - 14.0 KΩ

6

C1

White - White

30°C

6.4 - 7.8 KΩ

Thermistor

45°C

3.6 - 4.5 KΩ

60°C

2.2 - 2.7 KΩ

105°C

0.6 - 0.8 KΩ

7

B2

Red - Red

Below 1Ω

Thermal Fuse

8

B3

Red - Red

Below 1Ω

Over-heat Switch

9

I4

Grey - Grey

AC 90 - 110 V

Ignitor

10

I1

Pink - Black

DC 80 - 100 V

Solenoid Valve (SV1)

1.3 - 1.6 KΩ

11

I2

Yellow - Black

DC 80 - 100 V

Solenoid Valve (SV2)

1.7 - 2.1 KΩ

12

B1

Pink - Pink

DC 80 - 100 V

Modulating Valve

60 - 100 Ω

13

I3

Blue - Black

DC 80 - 100 V

Solenoid Valve (SV3)

1.7 - 2.1 KΩ

14

E1

Red - Blue

DC 11 - 13 V

Geared Motor

Orange - Grey

Connector

Wire Color

Nomal Value

J

Red - Black

AC 90 - 110 V

A

Brown-Grey

AC 30 - 50 V

19 - 23

Ω

2 - 4 Ω

F

Green - Green

AC 12 - 16V

J5

Black - White

AC 108 - 132 V

3.6 - 4.8

Ω

20 - 24 Ω

A

Orange - Orange

AC 13 - 30V

A

Yellow - Brown

AC 180 - 220 V

0.6 - 0.8

Ω

0.23 - 0.3 KΩ

Model 2424WC 3 7 800-621-9419