User manual

Installation & Servicing Instructions Rinnai Q-Series
76
Complaint Description Solution
temperaturedropofthe
Solohot
waterwiththeDHW
cylinders
1. Synchronising valve Check the setting in accordance with
the illustrated DHW cylinder installation
instructions
2. Thermostatic mixing valve incorrectly set Adjust by measuring the temperature
3. Hot water temperature too low Check PARA chapter Step No. 31 or RS100 is
set too low. Check the functioning and wiring
of the DHW sensor T3
4. Hot water power for the boiler is set too
low.
Check PARA chapter Step No. 43
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 lter check dimensions
of pipes.
- If necessary, increase pump rpm Para 48.