Rinnai Q85SN Installation & Service Instructions Manual page 92

17.5.1
92
Temperature drop of the Solo with the external DHW tank
temperature drop of the Solo hot
water with the DHW tank
synchronising valve
thermostatic mixing
valve incorrectly set
hot water temperature
hot water power for the
boiler is set too low
check the setting in accordance with the
illustrated DHW tank installation instructions
adjust by measuring the temperature
too low
check PARA chapter Step No. 31 or RS101 is
set too low. Check the functioning and wiring
of the DHW sensor T3
check PARA chapter Step No. 43