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Resetting the Unit
5. Reset the Neutralizer Life Counter.
5-1 Reconnect electrical power to the unit.
5-2 Refer to the next section "Resetting the Unit" to reset the Neutralizer Life Counter at the circuit board.
5-3 Conrm that the neutralizer has been reset by using the Maintenance Monitors (refer to the section
"Displaying Maintenance Monitors" for instructions ). Maintenance Monitor number 13 should read "000"
on the remote controller if a successful reset has been performed.
The neutralizing agent is high purity calcium carbonate (limestone) and it does not contain
chemical substances that are harmful to the environment. Dispose of the old neutralizer
according to local waste regulations.
Caution
Disposal method of neutralizing agent (calcium carbonate) remaining in the neutralizer after replacement
Prior to initial start up, make sure that you ll the neutralizer unit with water.
This is to prevent dangerous exhaust gases from entering the building.
Failure to ll the neutralizer unit could result in severe personal injury or death.
Refer to the installation manual or contact Noritz America Technical Support (866-766-7489) for instructions.
Danger
Reset the Neutralizer Life Counter according to the procedures below after replacing the neutralizer:
<Resetting at the Circuit Board>
1. Within the rst 10 minutes of connecting electrical power, with the unit turned o and no water passing through the
unit, press "the Minimum Manifold Pressure Set Button" and "the Maximum Manifold Pressure Set Button" at the
same time for 10 seconds (Fig. 2).
2. When the fan motor turns and the gas valve unit cycles ON/OFF (cycles of 2 seconds), the reset procedure is
complete.
Minimum Manifold Pressure
Set Button
Maximum Manifold Pressure
Set Button
UP
DOWN
Fig. 2
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