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Electrical Heater
11.1.3 Legionella protection cycle
!
11
92
Please observe all local and national regulations and requirements regarding legionella, valid in
your application and installation area.
● It is recommended that no less than once per week, the heating element is acti-
vated until a minimum tank temperature of 63°C is reached.
● Minimum ON time 3 hrs.
● 10 amps for VP750 and VP1000LDHW and connected to poles for contactor A1-A2
DIN rail time switch*
Digital weekly DIN rail mounting time switch
1 program consists of 1 ON and 1 OFF time and the allocation of any
day of the week or a combination of days and the selected channel.
Example:
1. Prog.: ON 03:00h
OFF 06:00h MO
2. Prog.: ON 03:00h
OFF 06:00h FR
Important
Adjust the thermostat for the immersion heater to the desired setpoint. Minimum setpoint must
always apply.
* The DIN rail time switch is for illustrative purposes only. It is the installers responsibility to select a suitable timer
controller matching with the electrical ratings indicated above.
DIN rail time switch*
Electric heater
PAW-VP•LDHW - Technical Manual – 2020-07
3 Pole contactor
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