Hitachi YUTAKI S Series Instruction Manual page 49

UNIT CONTROLLER
8.3 DESCRIPTION OF THE ICONS
Icon Name
Status for circuit 1, 2,
DHW and swimming
pool.
Mode
88 Setting temperatures
Alarm
Timer
Derogation
Installer mode
Menu lock
Holiday
Ambient temperature
Outdoor temperature
Water pressure
Pump
31 PMML0574 rev.1 - 09/2021
Circuit I or II is in Demand-OFF
Circuit I or II is on Thermo-OFF
Circuit I or II is working between 0 < X ≤ 33% of the desired water outlet
temperature
Circuit I or II is working between 33 < X ≤ 66% of the desired water outlet temperature
Circuit I or II is working between 66 < X ≤ 100% of the desired water outlet temperature
Heating
Cooling
Auto
Value Displays the setting temperature of the circuit 1, circuit 2, DHW and swimming pool
Circuit 1, Circuit 2, DHW or Swimming Pool are stopped by button or timer
Existing alarm. This icon appears with the alarm code
Weekly timer
When there is a derogation from the configured timer
Informs that user controller is logged on the installer mode which has special privileges
It appears when menu is blocked from a central control. When indoor communication is lost, this icon
disappears
When some of the zones are set as holiday, it has it's own holiday icon on their icons zone.
The holiday icon is also shown on the home screen.
The ambient temperature of Circuit 1 or 2 is indicated at the right side of this button
The outdoor temperature is indicated at the right side of this button
The water pressure is indicated at the right side of this button
This icon informs about pump operation.
There are three available pumps on the system. Each one is numbered, and its corresponding number is
displayed below to the pump icon when it is operating
Explanation