Installation and Operating Instructions
Central ventilation unit – KWL 170 W/W ET
• Intensive ventilation Off/On (0 V / 24 V)
• Normal mode / Bypass (0 V / 24 V)
• Weekly programme Off / On (0 V / 24 V)
• Configurable input Off / On (0 V / 24 V)
ⓘ The parameters can be adjusted using the pen
7.2.5.6 Relay settings
Set and edit the relay function:
• Maintenance display
• Error message
• Error message or maintenance display
• Emergency off
• Position bypass shutter
• Control EWT
• Operating mode
• Automatic
• Manual
• Use of EWT control
• Both
• Preheating
• Precooling
• Winter setting
• Summer setting
• Condensate prevention
• Manual
• Automatic
• Minimum supply air temperature
• Not used
• Air preheating
• Operating notification
7.2.5.7 Configuration
The corresponding basic configuration settings are assigned to the unit via the configuration number.
ⓘ The configuration number must only be adjusted when replacing the circuit board (e.g. defect). The configura-
tion number is located on the type plate.
7.2.5.8 Heating settings
Define settings for preheating and auxiliary heating:
• Preheating
• Electric heating element
• Not used
• Auxiliary heating
• Electric heating element
• Warm water heating element
• Not used
• Maximum outdoor temperature setting
7.2.5.9 Bypass settings
Define settings for the bypass:
• Bypass
• Variable bypass
• Activate cold recovery: Has the plug been removed?
ⓘ In order to activate the cold recovery, the plug must be removed because condensation may occur (cf.
chapter 4.3 „Install ball siphon", page 14).
ⓘ This function is not available for ceiling units!
7.2.5.10 Heat exchanger
Define heat exchanger type:
• Aluminium
• Plastic
• Enthalpy
7.2.5.11 Save / Restore
Save or restore unit and user settings:
• Commissioning settings
• Save commissioning settings
• Restore commissioning settings
• User settings
• Save user settings
• Restore user settings
• Restore factory settings
.
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