Central Heating - Rinnai E110CN Installation & Servicing Instructions Manual

16.2 Hot water but no central heating
hot water but no

central heating

-Key of the central
heating program is not
switched on
room thermostat (on/
off) is not giving any
signal to the boiler
RS100 with outdoor
sensor
(Room sensor-On)
three-port valve
is not circulating
to central heating
position
switch on central heating program
check room thermostat
outdoor temperature is higher than 70°F,
depending upon the Eco-temperature set
(70°F is the default). Check Info chapter
Step 7 or temperature is higher than the
Eco temperature set (see RS100 installation
instructions).
Check timer program
temperature
check wiring, replace the three-port valve
motor
and set room
87