User manual

Installation & Servicing Instructions Rinnai Q-Series
89
-Key pump program
is on
dirt in three-port valve
or three-port valve
cartridge is getting
jammed
expansion tank
incorrectly fi tted
17.3 Central heating installations gets hot without being requested
clean or replace
connect expansion tank between three-
port valve and pump (for Combi boiler
or Solo with external DHW tank this pipe
connection is present as standard)
switch off
central heating installation gets hot
without being requested