Navien NPE-180A Installation Manual
Also see for NPE-180A: Installation manualInstallation & operation manualSpecification sheetInstallation manualService manual
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Contents
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Configuring the Device 214.2 DHW Priority OptionsRefer to the following options to configure the system’s DHW supply modes.4.2.1 DHW Priority ModeWhen the system is configured for the DHW priority mode, space heating does notoperate if there is DHW demand (the flow switch is ‘closed’).Set the DIP switch (SW) #2 to ‘Off’ to configure the system to operatein the DHW priority mode.4.2.2 Simultaneous DHW and Space Heating ModeWhen the system is configured for simultaneous DHW and Space heating mode,both DHW and space heating will be supplied at the same time. However, whenDHW demand becomes high, the system automatically turns off the space heating.The system will continue in this mode until it determines that DHW demand hasreduced from high demand to moderate or low demand.* Please see appendix forwater heater performance specifications.*The system determines that DHW demand is high and stops supplying the space heating when thewater heater is running at or above 85% of its maximum capacity.Set the DIP switch (SW) #2 to ‘On’ to configure the system to operateDHW and space heating mode simultaneously. |
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