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The service page can be used during boiler commissioning. This is useful to manually run the pumps and
remove air from the system. Also, it can be used for combustion analysis by running the unit at minimum
and maximum firing rate or any other firing rate in between. NOTE: The service mode operation will auto-
matically end after 4 hours unless it is manually turned off by the user. NOTE: It is extremely important to
turn-off the service mode after boiler commissioning to avoid issues during normal operation.
NO.
DESCRIPTION
1
Pump Service Mode
2
Output Test
3
Demand Test
38
LEFT PANE
This function is used to manually run each one of the pumps individually. This is a
useful mean to ,check pumps for operation and remove air from the system durian
deaeration process. NOTE: ONLY one pump can be energized at the time. Once the
testing is completed No test should be selected to stop the test.
This function can be used to test the operation of 0-10V and PWM output signals. The
values are in terms of percentage. For instance if the user is looking for 4V, then 40%
should be entered. The readable values can be confirmed from VIEW - Pumps page.
This function can be used to test functionality of room thermostat connection without
any wiring connected to the boiler terminals. These contacts are normally open (NO).
By clicking on Normally Closed (NO), this will close the room thermostat connection
and the boiler will get a demand for heat. NOTE: It is very critical to return these values
to the default setting (NO) once the testing is completed.
FUNCTION
Rinnai Commercial Boiler User Manual
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