Navien NPE-180A, Руководство по установке

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Appendixes 43
5.1.1 Setting the Operation Mode
Using the Front Panel, press and hold the Diagnostics Button 1.
for over 5 seconds until “1.TST” is displayed.
Press the + (Up) button once to change the display to “2.OPR”. 2.
Press the Information Button once to acess the Operation 3.
Mode menu.
Press the + (Up) button once to set the water heater to 4.
opearate at 1-stage MIN (“MIN.1”).
To set the water heater to operate at 2-stage MAX, press the + 5.
(Up) button 3 times or until “MAX.2” is displayed.
To exit the Operation Mode and return the water heater to 6.
normal operation, press the Reset button twice.
Diagnostics
Information
Reset