Operation and Maintenance Instructions
Table Of Contents
- 1 Overview
 - 2 Warnings
 - 3 Warnings signs on product
 - 4 Product description
 - 5 Start up
 - 6 Operation
 - 7 Maintenance
- 7.1 Maintenance intervals
 - 7.2 How to replace supply/extract air filter
 - 7.3 How to clean NaviPad
 - 7.4 How to clean the heat exchanger
 - 7.5 How to clean the fans
 - 7.6 How to clean hot water heating coil
 - 7.7 How to clean the electric heating coil
 - 7.8 How to clean the extract air louvres and inlet diffusers
 - 7.9 Clean the outdoor air intake
 - 7.10 How to clean the duct system
 - 7.11 Where to reset tripped fuses
 - 7.12 How to reset the manual overheat protection (EL units)
 - 7.13 How to replace the fan module
 - 7.14 How to replace the heat exchanger
 - 7.15 Change the internal battery in control unit CU27–C
 
 - 8 Troubleshooting
 - 9 Alarms
 - 10 Service
 - 11 General conditions
 - 12 Spare parts
 
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Operation
6.1.5 Configuration
• System settings
• Configuration wizard (Example 4)
• Function configuration (Example 5)
• I/O allocation settings
• Alarm configuration (Example 6)
• PID controllers
The configuration wizard is a menu that simplify the procedure to Activate and Configure common accessories and
functions and Allocate it’s in- and outputs. The wizard makes necessary configurations automatically and guide the user
through limited options.
Example 4: Configuration wizard
Configuration > Configuration wizard
2022–02–04
Set up pressure control
>
Set up cooler
>
Set up changeover
>
Exit to configuration menu > Complete configuration wizard >
If the configuration wizard does not cover the desired accessory or function it can still be configured via the configura-
tion menu.
Example 5: Function configuration
Configuration > Functions > Function activation
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Fan compensation curves
Yes
Support control
No
Air quality control
No
To activate a function go to Function activation. Choose function to activate and set Yes in the following pop-up
menu. Values for the activated function are now visible and can be adjusted in Data Settings.
If required, allocate in- and outputs in I/O allocation settings.
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