Install Instructions

Installation & Servicing Instructions Rinnai E-Series
71
Complaint Description Solution
Central heating but no
domestic hot water
1.
-Key of the DHW program is
not switched on
Switch on DHW program on the Control Tower
2. Flow switch is not working
properly.
Check fl ow and/or check for impurities. Check on
functioning. Replace if necessary.
3. T3 DHW sensor in plate heat
exchanger defective
Replace DHW sensor
4. When using RS100 - Check timer times for DHW program,
if necessary reset
- RS100 does not respond to DHW program
- See RS100 installation instructions
5. Three-port valve is not
circulating to DHW
- Check wiring.
- If necessary replace the three-port valve motor.
Hot water but no central
heating
1.
-Key of the central heating
program is not switched on.
Switch on central heating program
2. Room thermostat (on/off) is not
giving any signal to the boiler.
Check room thermostat
3. RS100 with outdoor sensor
(Room sensor-On)
- 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 and set room temperature.
4. Three-port valve is not
circulating to central heating
position.
Check wiring, replace the three-port valve motor.
Central heating
installation gets hot
without being requested
1.
-Key pump program is on.
Switch off.
2. Dirt in three-port valve or three-
port valve cartridge is binding.
Clean or replace.
Insuffi cient quantity of
hot water
1. Hot and cold water connection to
the boiler mixed up.
Check left = hot, right = cold
2. Incorrect fl ow reducing valve. - Check for the type and for contamination, if
necessary replace (Combi) and/or clean.
- Check the comfort synchronising valve for the
correct setting in accordance with the installation
instructions.
3. In the absence of positive results Lime scale in plate heat exchanger. If necessary
descale or replace
Temperature drop of the
DHW (Combi)
1. Hot and cold water connection to
the boiler mixed up
Check left = hot, right = cold
2. Flow reducing valve. Check fl ow reducing valve for the correct type in
accordance with the installation instructions
3. DHW power for the boiler is set
too low.
- Check PARA chapter Step No. 43
- Check the functioning and wiring of the DHW sensor
T3.
radiators do not get hot
enough or warming them
up takes too long
1. Check setting of room
thermostat or RS100
See installation and user manual RS100
2. Supply water temperature too
low.
Check setting PARA chapter Step No. 1 and increase
if necessary
3. Incorrect choice of installation PARA chapter Step No. 2 if necessary change.
4. Installation resistance too high
(given an average T > 36°F the
boiler decreases the load).
- See installation instructions.
- Check / clean water fi lter check dimensions of pipes.
15.4 Other Errors