Rinnai B20 Service Manual download pdf (Page 53)

REU-2532W Series 53 Rinnai

8. Turn off the gas to the water heater. Remove the manometer connection. Reinstall the

pressure port plug. Turn on the gas to the water heater and check for gas leaks around

test port with a leak solution.

9. Reinstall the front cover and place the unit back into operation.

10. Verify you are getting the proper water temperature, as set on the controller at your

outlets. If controllers are not being used the output temperature should be 120°F.

Figure #1 Figure #2

High pressure setting “Pot”

Regulator adjustment screw used when

setting low and high fire manifold gas

pressures only. DO NOT, adjust this screw

without following gas pressure setting

procedures.

Dip switches #7 and #8 are used when

adjusting low and high fire manifold

gas pressures, as stated in the gas

pressure setting procedure.

Manifold gas

pressure test port.

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Rinnai B20 Service Manual Page 53