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OPERATION
75
Adjusting the Temperature:
Use the remote controller to adjust the outlet water
temperature of the Navien Water Heater.
To adjust the hot water temperature, all hot water taps
must be closed, the internal circulator must be off and
any external circulating pumps must also be turned off.
Press the
ᴭ###
(Up) or
ᴭ###
(Down) button to scroll until
the desired temperature is displayed on the LCD
Monitor.
To operate the Navien Water Heater, press the “Power”
button and use
ᴭ##
(Up) and
ᴭ##
(Down) buttons on the
remote controller until the desired temperature is displayed
on the screen. Then simply open any hot water faucet.
This will automatically light the burner and provide hot
water at the preset temperature.
Navien Water Heater has a built in back-light. The
screen’s backlight will illuminate when a button on the
controller is pushed.
NOTE: IF THE BACK-LIGHT ON THE DISPLAY GOES
DARK, THE REMOTE CONTROLLER’S INTERNAL
BATTERY IS DISCHARGED. WAIT FOR A FEW MINUTES
UNTIL THE BATTERY RECHARGES AND THE BACK-
LIGHT WILL AUTOMATICALLY ILLUMINATE THE DISPLAY
AGAIN.
Summary of Contents for NR-180A
Page 5: ...SAFETY Safety Instructions 5 this...
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Page 20: ...INSTALLATION Locating the Water Heater 20 or follow local codes...
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Page 24: ...INSTALLATION Pressure Relief Valve 24 Pressure Relief Valve Shut off Valve...
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Page 32: ...INSTALLATION Venting 32 ground or local codes...
Page 33: ...INSTALLATION 33 Venting...
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Page 35: ...INSTALLATION 35 Venting Clearances 1 Natural Natural...
Page 37: ...INSTALLATION 37 Venting Indoor Installation...
Page 39: ...INSTALLATION 39 Venting CONCENTRIC VENT TERMINATION 1 Sidewall Installation 2 Roof Installtion...
Page 40: ...INSTALLATION Venting 40...
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Page 44: ...INSTALLATION PCB Board Settings 44...
Page 45: ...INSTALLATION 45 CascadeConnectionandSet upProcedures...
Page 46: ...INSTALLATION 46...
Page 47: ...INSTALLATION 47...
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Page 55: ...INSTALLATION 55...
Page 56: ...INSTALLATION 56...
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Page 68: ...OPERATION Navien America Inc Limited Warranty 68 12 Grains of hardness may...
Page 69: ...OPERATION 69 Model Description Legend...
Page 70: ...OPERATION General Parts 70 Condensate Water...
Page 71: ...OPERATION 71 General Parts Condensate Water...
Page 72: ...OPERATION Remote Controller 72 Hot Water In Use Indicator...
Page 74: ...OPERATION OPERATION Setting the Clock 74 Hour Minute...
Page 79: ...OPERATION 79 A Series Recirculation Timer Setting 74...
Page 81: ...OPERATION 81 Lock Function Setting...
Page 82: ...OPERATION Well Pump setting function 82...
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Page 89: ...OPERATION 89 A Series External Recirculation Mode...