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Laars NeoTherm NTH User Information
Also see for Neotherm NTH: Service manualInstallation and operation instructionsInstallation and operation instructionsInstallation and operation instructionsInstallation and operation instructions
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Page 5NeoTherm Boilers and Water HeatersSHUTTING DOWN THE NEOTHERMit may sometimes be necessary to shut down the neotherm. here are the steps required todo this:1. switch off the main electrical disconnect switch.2. open the front cover and close the main manual gas valve.3. if freezing is anticipated, drain the neotherm. (also be sure to protect the piping inthe building from freezing.)The steps listed above may require qualified service personnel.RESTARTING THE NEOTHERMit may be necessary to restart the neotherm – for example, after a power interruption.here are the steps required to do this:1 reset any errors using the user interface. see the section on “about Lockouts, holds,and alerts.”2 turn up the thermostat to call for heat.3. in approximately 2 seconds, the blower will operate. ignition should occur after 35-40seconds. it may take as long as 2-1/2 minutes.4. if ignition does not occur, wait 5 minutes and then repeat steps 1 through 3.5. if, after three attempts, the unit still does not light, shut down the boiler and call yourservice technician.if the unit has been drained, follow these steps:1. See the “Installation and Operation Manual” for instructions on filling and purging theunit.2. remove the front door. turn on the gas shutoff valve.3. switch on the main electrical disconnect switch. the pump and blower will start, andthe igniter will be energized. after 35 seconds the gas valve will be energized, andignition will occur. if ignition does not occur within 2-1/2 minutes switch “off” themain disconnect switch, wait 5 minutes and switch it “on” again. if after three attemptsignition does not occur, shut down the unit and call for service.IN THE EVENT OF POWER FAILUREthe neotherm will not operate during an electrical power outage. if there is an extendedpower outage with danger of freezing, then the neotherm (and all other water systems)should be completely drained. Before draining the unit, turn off the gas and turn off themain power switch. When you replace the unit in service, refer to the “installation andOperation Manual” for instructions on filling and purging. |
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