Publicité
Les langues disponibles
Les langues disponibles
Installation and Operating Instructions
EN
Central ventilation unit – KWL 250 W/W ET
8.6.3 Heat exchanger frost protection
Setting the boundary conditions for frost protection:
• Passivhaus
ⓘ Mandatory selection for Passivhaus.
• DiBt
8.6.4 Modbus settings
The following parameters can be adjusted:
• Address
• Baud rate
• Parity
• Stop bit
8.6.5 Input settings
View or edit input settings:
• Analogue input
• Not used
• Stop (0-1 V), Away from home (2-4 V), At home (5-7 V), Intensive ventilation (8-10 V)
• Digital input 1 / Digital input 2
• Not used
• Individual Off (0 V) / On (24 V)
• At home (0 V) / Away from home (24 V)
• Emergency off (0 V) /Normal mode (24 V)
• Intensive ventilation Off (0 V) /On (24 V)
• Normal mode (0 V) / Bypass (24 V)
• Weekly programme Off (0 V) / On (24 V)
• Configurable input Off (0 V) / On (24 V)
ⓘ The digital inputs can be adjusted using the pen
8.6.6 Relay settings
Set and edit the relay function:
• Maintenance display
Filter replacement is displayed (relay status: closed)
• Error message
Error message is displayed (relay status: closed). The error is also recorded on the error log.
• Error message or maintenance display
Filter replacement or error message is displayed (relay status: closed)
• Emergency off
Emergency off function is activated (relay status: closed). The emergency off function is normally activated by an
external signal via the digital input.
• Position bypass shutter
Bypass shutter position is displayed.
– Relay open:
Bypass is activated. The air flow is directed past the heat exchanger.
– Relay closed:
Bypass is deactivated. The air flow does through the heat exchanger.
• Not used
The ventilation unit relay control is not used.
• Operating notification
Ventilation unit is in operation (relay status: closed).
8.6.7 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.
8.6.8 Heating settings
Define settings for preheating and auxiliary heating:
• Preheating
ⓘ The preheating is used exclusively for frost protection (not for adjusting the supply air temperature).
• Electric heating element
• Not used
• Extension module
• No
• Yes
• Auxiliary heating (only if extension module is configured)
• No
• Yes
ⓘ This function is only available in combination with an extension module KWL-EM eC.
• Heater type (depending on configuration on the extension module)
• Warm water heating element
• Electric heating element
.
25
Publicité
