Navien NR-180(A) Operation & Installation Manual page 53
Navien nr-180(a); np-180(a); nr-210(a); np-210(a); nr-240(a); np-240(a) condensing water heater
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Also See for NR-180(A):
- Installation manual (68 pages) ,
- Owner's operation manual (45 pages) ,
- Service manual (179 pages)
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Step 3: Cable connection and DIP switch change
The water heater unit can be connected with other units up to 16 units using communication cables.
After choosing one of the units as the master unit, connect the cables and change the DIP switch 2
on the PCB as below. During step 1, the power supply should be OFF.
Cable connection and DIP switch set-up
- cascade communication cable PCB connecting adapter PCB CN9 port.
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