TriangleTube Marquis TWH180, Installation Manual

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21
Control System
• Setting the High Altitude Setting
1. Press the ON/OFF button on the display to turn the
unit OFF. Press and hold the Menu Button for approx-
imately 5 seconds to get into the “Installer mode”.
2. Turn the dial to reach the high altitude setting then
press the dial button.
3. Turn the dial clockwise to select the high altitude set-
ting for the application. (Default setting is ‘0-2’ and high
elevation is above 2,000ft as sea level.
4. Press the dial button to store the current setting and
return back to “Installer mode’.
Marquis Manual_61515_Water Heater 7/1/15 1:58 PM Page 24