14
Indicators of the active pump curve (I, II, III) within the control mode
Note:
Factory setting:
Constant speed, pump curve III
To go to different control mode push the control button.
LEDs show the selected control mode and pump curve.
Push
Control mode
Pump curve
1
Constant speed
II
2
Constant speed
I
3
Variable differential pressure Δp-v
III
4
Variable differential pressure Δp-v
II
5
Variable differential pressure Δp-v
I
6
Constant differential pressure Δp-c
III
7
Constant differential pressure Δp-c
II
8
Constant differential pressure Δp-c
I
9
Constant speed
III
The pump returns to the factory setting (Constant speed, pump curve III) after 9 pushes.
Manual restart
• Push and hold the control button for 5 seconds to start the manual restart function. Function lasts maximum 10
minutes.
• Push and hold the control button for 5 seconds again to cancel.
Manual restart is used to unblock the pump, for example after a long idle time in the summer.
Lock/unlock
• Push and hold the control button for 8 seconds to lock or unlock the current settings of the pump.
Factory settings
• Push and hold the control button and the same time set the pump to off.
The pump runs in the factory settings when the pump is set to on again.
7
Operation
Read the manual of the ventilation unit to know more about temperature control.
7.1
To start the product
1. Set the installed safety switch in the ON position.
2. Set ventilation unit to ON.
3. Make sure there is a demand for cooling or heating.
The product LED should show the green colour.
7.2
To stop the product
1. Set ventilation unit to OFF.
2. Set the installed safety switch in the OFF position.
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