4
MODEL page 2
INTRODUCTION 3
GUARANTEE 3
TABLE OF CONTENTS 4
WARNING 4
OPERATING PRINCIPLE 5
INSTALLATION PARTS 5
PLANNING OF THE DUCT SYSTEM 7
EXHAUST AIR CLASSIFICATION OF LIVING AREAS 9
PHASES OF INSTALLATION 10
INSTRUCTIONS FOR THE DUCT HEATER 11
INSTALLATION OF THE DUCT HEATER 12
MAINTENANCE OF THE DUCT HEATER 13
HEAT INSULATION OF AIR DUCTS 14
OPERATION 15
MAINTENANCE 16
BELT INSPECTION AND REPLACEMENT 16
AIR FLOW REFERENCE VALUES 18
KITCHEN VENTILATION 18
TO BE OBSERVED DURING OPERATION! 19
HEAT RECOVERY EFFICIENCY 19
CHARACTERISTICS 20
ELECTRICAL WIRING DIAGRAMS 22
SYSTEM PLANNING EXAMPLE 26
FAULT / CORRECTION GUIDE 27
DECLARATION OF CONFORMITY 29
TECHNICAL DATA 30
After opening the service hatch, wait for two (2) minutes before starting the maintenance
work! Although the unit’s power supply is cut when the hatch is opened, the fans still rotate
and the electrical coil in E-/EP-models is still hot for a while.
There are no user-serviceable parts behind the control panel, contact a service technician
for service and repairs of this part of the unit.
Clarify the cause of the fault before restarting the unit!
TABLE OF CONTENTS
WARNING