American Water Heater 318281-000 Instruction Manual page 26

System Monitoring Display
Complete monitoring display
Channel indication
Toolbar
SYMBOL STANDARD
Relay 1 active
Relay 2 active
Maximum tank limit reached / maximum tank
temperature exceeded.
Antifreeze – function activated
Displayed channel indication is adjustable
System Screen
The system monitoring display consists of 3 blocks: channel indication, the toolbar, and
system screen.
The channel indication consists of two lines. The upper line is an alphanumeric 16
segment indication in which the channel name or menu item is shown. The lower
7 segment indication shows the channel value and the adjustment parameters are
indicated.
Temperatures are indicated in °F / °C, Temperature differences are indicated in °F / K
The symbols in the toolbar indicate the current system status
The system screen (active system scheme) shows the scheme selected on the
controller. It consists of several component symbols, which are – depending on the
current status of the system – either fl ashing, permanently shown or hidden.
FLASHING
Collector cooling function active
Collector minimum temperature reached
Collector security shutdown or tank security
shutdown active (max temperature reached).
Sensor error
Manual operation active
Adjustment mode for displayed channel
Blinking control symbols
• Pump is blinking while running
• Sensors are blinking if the respective sensor
indication channel is selected
• Sensors are quickly blinking if there is a sensor error
Operation control lamp indication
Constantly green:
Red/green blinking: initialization phase, manual
Red blinking:
26
system operation normal
operation
sensor error