AUTOTERM PU-28 - Page 9

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Auxiliary blower temp. – switch-on temperature setting for the passen-
ger cabin heater. The required switch-on temperature can be set between
+30… +60 °С. The default value for the relay switch-on temperature is
+40° C.
Operation time settings
(Fig. 10).
Hours – number of hours;
Minutes – number of minutes;
Unlimited – no time limit.
Fig. 10
In the system settings (Fig. 11),
you can switch between the units of
temperature measurement: Celsius °C
or Fahrenheit °F; select the 12-hour
time format.
External operating – control of the
heater
Fig. 11. System settings
(Flow 5, Flow 6, Flow 10 only) using an external control channel (pro-
vided the heater is connected to the control channel).
For the Flow 14 heater, this setting is not displayed and is enabled by
default.
Thermostat mode – the mode for maintaining room temperature. The
temperature is maintained by a built-in sensor in the control panel.
Work Time – the operating time of
the heater ranging from 1 to 24 hours.
Unlimited – no time limit.
Hysteresis – difference between the
set-point temperature and the air tem-
perature from the built-in sensor in the
control panel (-3 to -10). Standby
mode will be
Fig. 12. Thermostat mode
activated at 1 °C above the set temperature ‘Set point’. Standby mode
will be deactivated at 3 °C below the set temperature ‘Set point’.