Pre-Heater (For Liquid Heaters) - AUTOTERM COMFORT CONTROL User Manual

•
ADVANCED
o SHUTDOWN
VOLTAGE
o THERMOSTAT
o INFO
▪ Heater serial number
▪ Control panel serial number
▪ Total heater operating hours
4.4.

PRE-HEATER (for liquid heaters)

Settings menu "Pre-heater" is disabled when Flow 5 is operating.
For Flow 14D in "Advanced" settings only "Info" and "Shutdown voltage" options
are available.
• INFO
• AUXILIARY
• TEMPERATURE
• ADVANCED
o THERMOSTAT
▪ CIRCULATION
▪ HYSTERESIS
o START PUMP
o SHUTDOWN
VOLTAGE
– change advanced settings of the heater:
– set voltage and time for battery protection.
If the actual voltage of the power supply is lower than the set
voltage for the set duration, heater shuts down and
operation modes cannot be activated.
– change default values for temperature rise and drop for
thermostat mode. MAX from 1°C to 3°C, MIN from 1°C to 7°C;
– displays information about serial numbers and software
versions:
– displays the same information as for air heaters.
– set and enable/disable auxiliary mode. When auxiliary mode is
enabled, pre-heater starts when engine starts and maintains set
temperature of the coolant. Temperature range for auxiliary mode
is 75°C to 95°C.
– set default temperature for coolant in heating mode. Temperature
range is 20°C to 95°C.
– change advanced settings of the pre-heater:
– enable/disable and configure thermostat mode;
– when heating in thermostat mode, coolant pump will always
continue to circulate the coolant, even when heater is
switched off.
– change default values for temperature rise and drop for
thermostat mode. MAX from 1°C to 3°C, MIN from 1°C to 7°C.
– starts coolant pump for the purpose to bleed the system
after installation. Pump is working while message "Pump
enabled" is displayed. Pressing the back button, switches the
pump off.
– set voltage and time for battery protection (same as for air
heaters).
▪ Heater software version
▪ Control panel software version
14