Navien NR-180(A) Operation & Installation Manual page 49

May vary according to user's environment changes mentioned below.
1) DHW Storage tank's stoppage.
-. Able to change cascade connected water heater's stoppage temperature.
-. Combustion stoppage temperature
= DHW setup temperature – R/C combustion stoppage setup value
If combustion stoppage temperature isn't changed, combustion will stop at the DHW setup
temperature.
2) Cascade On unit temperature setting when using storage tank
-. Able to adjust cascade connected water heater's initiation temperature.
-. Cascade On unit's temperature
= DHW setup temperature – R/C cascade ON unit setup value
If remote controller cascade ON unit temperature isn't changed, default value is 13ºF.
3) Cascade OFF unit temperature setting when using DHW storage tank.
-. Able to adjust cascade connected individual water heater's initiation
temperature.
-. Cascade ON unit temperature
= DHW setup temperature – R/C cascade OFF unit setup value
If remote controller cascade OFF unit temperature isn't changed, default value is 9ºF.
█ Dip Switch Setting
Min
Modulating Gas
Valve Adjusting
NO.
Function
DHW Storage Tank
1
Mode Select
Max
Dip S/W 5
Description
ON
ON
ON
OFF
OFF
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