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Details the pre-heater and duct sensor for Topvex counterflow units.
Explains the pre-heater's function for heating and icing protection in ventilation systems.
Illustrates and labels components of the CB pre-heater model.
Illustrates and labels components of the RB pre-heater model.
Illustrates and labels components of the TG-KH/PT1000 sensor.
Defines manual notations and consolidates safety warnings for installation and operation.
Pre-installation checks for power supply, airflow, filtration, and required space.
Instructions for physically installing the pre-heater, including safety clearances.
Procedure for resetting the manual overheat protection on the duct heater.
Diagrams illustrating wiring connections for CU27 with CB and RB pre-heaters.
Diagrams showing wiring for control units, expansion modules, and pre-heaters.
Steps to log in and access service mode for pre-heating setup.
Procedure for selecting and activating the pre-heater in the system configuration.
Settings for pre-heater function, type, sensor, and operation modes.
Assigning I/O for temperature sensors and control signals for the electric heater.
Adjusting pre-heater temperature set points for different operating modes.
Recommendations for saving the current configuration as a local backup.
Detailed steps for configuring the pre-heating function using expansion units.
Illustrative examples for 'Run if defrosting' and 'Run if units running' modes.
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General