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13
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2.5
OPERATION
• Basic heating
, at an output of
2.2
kW/240 V/9.5 A
-
1 phase
-
controlled by thermostat Te1.
The temperature can be set using the panel on the heaters in the range of approx. 5 °C to approx. 75 °C
by setting the temperature on the thermostat Te2. Te1 temperature should be set lower than Te2.
Operation is indicated by blue indicator light 1. In factory setting, HDO
contacts are connected through
a terminal. That arrangement does not provide heating during low tariff electricity. To use low rate heating
only, it is necessary to connect HDO terminals trough an external switch operated by the HDO.
• Fast heating
at the output of
6.6 kW
/ voltage 3 x 240 V (400 V) or 4.4 kW with the L2 or L3 phase power
supply disconnected (breaker off), which is possible only in case of single
-
phase circuit breakers
installation and not in the combined version.
Using the fast heating feature allows heating up the volume of the heater at any time in a third
of the basic heating time without affecting the status of HDO blocking.
Press the TL button on the remote control to start fast heating, it will stop automatically upon the reaching
of the water temperature set on the thermostat Te2 which is mounted inside the control.
From the factory, the thermostat is set to the maximum temperature of approx. 75 ° C, lower temperature
can be selected followed with adjusting the temperature on thermostat Te1.
The operation is indicated in red with indicator light 2.
• If the fast heating was pressed accidentally, it can be reset by short interruption of the
L1
control phase
voltage phase (turn on / off the circuit breaker).
• Preferred fast heating -
at an output of 6.6 kW / voltage 3 x 240 V (400 V).
This type of heating can be used for example to use surpluses from photovoltaic panels. Closing
an external contact on FVE terminals. The heating only lasts for the time when the contact is closed,
or until the Te2 thermostat turned off.
In order to store surpluses, we recommend setting
Te1
to the minimum comfortable temperature
of hot water and
Te2
to the maximum. If the
TL
button is pressed at that time
-
the heating will be switched
off only after reaching of the set temperature on the thermostat
Te2
.
The operation is indicated in red with indicator light
2
.
The remotely controlled fast heating button, timer and Wi
-
Fi module2 can be connected in parallel
to TL terminals.
• Control phase L1 must always be energized.
•
If the fast heating function is used and it turns off automatically after heating up, the appliance is in a state
of basic heating.
•
Thermostat Te2 also fulfils the function of an emergency safety fuse. When switched off, the wiring cover
must be removed and put into operation again by pressing the lock after checking the state of the circuit.
• The fast heating control circuit is protected by a 500 mA safety fuse.
• Important warning! When fast heating is used as preferred feature, the outlet temperature of water
is higher than 65 °C (according to the Te2 setting) - it is recommended to install a thermostatic mixing
valve on the hot water outlet!
