Rinnai E75CN - Manual (Page 89)

Installation & Servicing Instructions Rinnai E-Series
89
insufficient quantity of hot water
hot and cold water
connection to the boiler
mixed up
lime scale in the plate
heat exchanger
incorrect flow reducing
valve
16.4 Insufficient quantity of hot water
in the absence of
positive results
if necessary descale or replace
check for the type and for contamination, if
necessary replace and/or clean.
check left = hot, right = cold
check for lime scale