21
Central ventilation units KWL EC.. D Pro/WW
Installation and Operating Instructions
Service menu 12: Pre-heater
1. Select the “Pre-heater“ function in the service menu, confirm by pressing “OK“
2. Select “On“ (Factory setting) or “Off“ key to activate/deactivate pre-heating
3. Return to the service menu by pressing “RETURN“
Service menu
Pre-heater
Service menu 13: Ext. auxiliary heater
1. Select the “External auxiliary heater” function in the service menu, confirm by pressing “OK“
2. Press the “Without“ key if no auxiliary heater is installed
3. Press the “Electrical “key if an electrical auxiliary heater is installed
4. Press the “Water“ key if a hot water auxiliary heater is installed
5. Confirm by pressing the “RETURN“ key and return to the service menu
Service menu
Ext.
auxiliary heater
Service menu 14: Fire mode
1. Select the “Fire mode“ function in the service menu, confirm by pressing “OK“
2. Select the “Unit off“ key, the unit switches off in case of fire
3. Select the “Extract air“ key, the extract fan will operate at the max. fan speed in case of fire
4. Confirm by pressing the “RETURN“ key and return to the service menu
Service menu
Fire ventilation
Fire alarm indicator on display
Service menu 15: Sea level
1. Select the “Sea level“ function in the service menu, confirm by pressing “OK“
2. Select the desired sea level with the arrows
3. Confirm by pressing the “RETURN“ key and return to the service menu
Service menu
Set sea level (min. 400 m)
(max. 5000 m)
Service menu 16: Factory setting (Reset)
All parameters set on the display can be reset.
1. Select the “Factory setting“ function in the service menu, confirm by pressing “OK“
2. Press the “Factory“ key. ATTENTION: All parameters will be deleted!
3. Return to the service menu by pressing “RETURN“
Service menu
Reset factory settings
Reset
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