Rinnai I Series Installation And Operation Manual page 99

Parameter
Setting Description
Number
Simultaneous central heating
14 and domestic hot water
temperature limit
3-way valve position during
15
simultaneous operation
IMPORTANT
When set for simultaneous operation, domestic hot water could be reduced by up to half
depending on the central heating demand. If high domestic hot water flow is desired, it is
recommended to not use the simultaneous operation feature.
Rinnai I-Series Condensing Boiler Combi Manual
Selection
A
Domestic Hot Water
Priority
Normal
b
Domestic Hot Water
Temperature Limited
Additional Central Heating
99