Buffer Tank ("A" Series) - Navien NP-180 Service Manual

4.6.18. Buffer Tank ("A" Series)

Navien Part No.
Function
Failure Event
Effects
Error Code
Diagnostic
Color /
Number of wires
©Navien America Inc. 2010
PBSNCWBFTANK_001
1. To provide hot water in steady temperature and to operate no minimum
flow rate with internal circulator.
2. Applied to the types of NR-A and NP-A only.
1. Water leakage from the mini buffer tank.
1. Stop operating once detecting water leakage.
2. Temperature fluctuations in the hot water outlet.
E037
1. Visual inspection : check the mini buffer tank appearance crack
N/A
60
NR/NP series service Manual
Check Point N/A
Version 2.0