Rinnai GT4SB-S Specifications download pdf (Page 37)

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Model V2532W 3 7

INSTALLER’S INSTALLATION INSTRUCTIONS

Diagnostic Points

Component

Measurement Point

Normal Value Notes

Comp. No. Wire Color

Surge Protector F

7

Blue - Brown AC 108 - 132 V

Water Flow Control Device B

1

Red-Blue DC 11 - 13 V Power Supplied to Unit

Gray-Orange DC 11 - 13 V Power Supplied to Unit

Gray-Yellow

Below DC 1 V (Limiter On)

Full Open Position

DC 4 - 6 V (Limiter Off)

Gray-Brown

Below DC 1 V (Limiter On)

Full Close Position

DC 4 - 6 V (Limiter Off)

By-pass Flow Control Device G

1

Brown-White

Orange-White

Ye ll o w- W h i t e

Red-White Gnd

DC 2 - 6 V Unit In Operating Mode

15 - 35

Ω

Remote Control D

1

Black-Black DC 11 - 13 V

Water Flow Sensor B

3

Red - Black DC 11 - 13 V

On 0.82 gal/min (30 Hz)

Over 1800 pulse/min

Off 0.6 gal/min (20 Hz)

Below 1200 pulse/min

Yellow - Black Gnd DC 4 - 7 V (Pulse 17-460 Hz)

Combustion Fan A

1

Red-Black DC 6 - 45 V

Yellow-Black DC 11 - 13 V

White-Black Gnd DC 5 - 10 V (33-400 Hz)

Flame Rod C

1

Yellow-Gnd AC 5 - 150 V After Ignition

Yellow-Flame Rod Over DC 1 µA Flame Condition

Modulating Valve C

2

Pink-Pink

DC 2 - 15 V

67 - 81

Ω

Outgoing Thermistor

Heat Exchanger

Outgoing Thermister

B

4

B

5

White-White

59°F 11.4 - 14.O k

Ω

86°F 6.4 - 7.8 k

Ω

113°F 3.6 - 4.5 k

Ω

140°F 2.2 - 2.7 k

Ω

221°F 0.6 - 0.8 k

Ω

Thermal Fuse

B

2

C

3

Red-Red Below 1

Ω

Ignitor F

8

Gray-Gray AC 90 - 110 V

Main Solenoid Valve E

1

Pink - Black

DC 80 - 100 V

1.7 - 2.1 k

Ω

Solenoid Valve 1 E

2

Ye ll o w - B la c k

DC 80 - 100 V

1.7 - 2.1 k

Ω

Solenoid Valve 2 E

3

Blue-Black

DC 80 - 100 V

1.7 - 2.1 k

Ω

Solenoid Valve 3 E

4

Brown - Black

DC 80 - 100 V

1.7 - 2.0 k

Ω

TRANSFORMER VOLTAGES AND RESISTANCES

Primary Windings F

7

Blue-Brown 51 - 63

Ω

Secondary Windings F

9

White-Black AC 90 - 110 V

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