When the boiler is turned on, the main screen (also called the home screen) appears in the display.
⓬
⓫
❶
DHW setpoint temperature
❷
Current date and time
❸
Heating supply target temperature
❹
Outdoor temperature
Visual illustration of current central
❺
heating temperature
HOT
Scale rises as the
temperature increases
COOL
Central heating status symbol
❻
A box around the radiator symbol indicates
central heating is in operation
CENTRAL HEATING IN OPERATION
CENTRAL HEATING NOT IN OPERATION
68
❶
❾
❿
❸
❷
❽
❼
❼
Current central heating system water pressure
Boiler status indicator, such as DHW is active,
❽
Central Heating is active, error messages, and
other status information
Fire level status
❾
High fire (maximum of six bars)
Low fire
❿
DHW comfort or economy mode is active
⓫
DHW status symbol
A box around the faucet symbol indicates
DHW is in operation
DHW
IN OPERATION
⓬
Visual illustration of current hot water temperature
HOT
COOL
Rinnai M-Series Condensing Boiler Combi Manual
❹
❺
❻
DHW NOT
IN OPERATION
Scale rises as the hot water