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PAW-VP•LDHW - Technical Manual – 2020-07
Electrical Heater
11
Additional information can be seen on the display. All reminders and their description are speci-
fied in the following table:
Information
displayed
Acoustic
alarm
Alarm diode
Description
Variable
Flashing
Lack or failure of the sensor. Alarm switches off
automatically after repair of the failure.
Variable
Flashing
Exceeding of the maximum temperature (75 °C,
95 °C, 110 °C) (
Pro
tect). Alarm is switched off after
manual reset (Switching to OFF mode).
Interrupted
Flashing
Detection of lack of water (
No L
iquid). Alarm is
switched off after manual reset (Switching to OFF
mode).
Interrupted
Flashing
Detection of lack of heating (
No H
eating). Alarm is
switched off after manual reset (Switching to OFF
mode).
—
—
Input of the external control
EXT
opened.
Controller deactivates heating function.
The menu is divided into two sections: the operational menu (Unit in ON mode) and the service
menu (Unit in OFF mode).
Operational Menu (Controller in ON Mode, see also sec.11.3.3 on page 99)
Function name
Parameter
Setting ranges
Factory setting
Setting of heating
temperature
15–160 °C*
50 °C**
Setting of temperature
hysteresis
1–10 °C*
°C**
* Depending on the maximum heating temperature programmed in the controller.
** Factory settings are default values only. All the values depend on the size of heaters, the capacity of the
tank, user requirements etc.
Service Menu (Controller in OFF Mode, see also sec. 11.3.4 on page 99)
Function name
Parameter
Setting ranges
Factory setting
Setting of heating
detection
0 and 1
1
