Varmeteknikk AS
Phone +47 23 37 55 00 August 2020 V2
5
Settings on the controller
The controller is pre-set at the factory with a set temperature of 80 °C and a step time of 40
seconds. If you want to change the settings, this is done as follows:
Alarm signal Menu button Enter (confirm changes)
Temperature setting:
The desired boiler temperature is adjustable between 5 - 100 ° C. By pressing the «+/-» button, the
desired temperature is selected. Holding down the button will change the value faster. New
temperature is saved by pressing the «E» button. If this is not done, the controller will return to the
original value after
about. 4 min.
Step time:
From the factory, the step time is set to 40 seconds when power steps are switched on, and 5
seconds when switching off. To prevent unnecessary wear on the contactors, this should not be
set lower. If you still want to change this, the step time is adjustable between 1 - 250 seconds
when switching on power steps. The step time is changed as follows:
With a press of the menu button, the menu for «Step / Step time» appears. With a press of the «+/-
» button, the display will now show
:
Step 7( 7)
Step time 40s
►
Step lim 7( 7)
Step time 40s
To get down to the line with step time, press the menu button once. With the «+/-» button, the
desired step time is set. New step time is saved by pressing the «E» button. If this is not done, the
regulator will after approx. 4 min. returns to original value. By pressing the menu button twice, the
controller will return to normal display, «Temp / Power», see page 12.
Power limitation I:
If the boiler is too large for the plant or for some other reason you want to limit the maximum power
of the boiler, this can be done by limiting the number of power steps. In the menu for «Step / Step
time», press the «-» button until the desired power step appears in parentheses. Pressing the «E»
button saves the new value. If this is not done, the controller will return to the original value after
about. 4min. See also Power Limit under the Additional Features section.
Cooke Industries - Phone: +64 9 579 2185 Email: [email protected] Web: www.cookeindustries.co.nz