INTRODUCTION
General informations.............................................................
page 3
Main parts and optional equipment........................................
page 5
Functions.. ............................................................................
page 6
MOUNTING INSTRUCTIONS
Mounting Location of KWL EC 300 Eco ................................
page 7
Duct connections ...................................................................
page 7
Condensing water connection ................................................
page 7
Electrical connections for KWL EC 300 Eco .............................
page 7
Mounting 4-level operating switch ..........................................
page 7
Differential pressure switch DDS (optional) .............................
page 7
Condensate removal via ball siphon ......................................
page 8
FUNCTIONS
Bypass function .....................................................................
page 9
Heat recovery defrosting ........................................................
page 9
Maintenance display..............................................................
page 9
Part list KWL EC 300 Eco........................................................
page 9
PERFORMANCE
Fan performance...................................................................
page 10
KWL EC 300 Eco measuring points.........................................
page 10
Sound pressure level..............................................................
page 10
ELECTRICAL CONNECTIONS
Wiring ..................................................................................
page 11
MAINTENANCE
Filter and heat recovery cell....................................................
page 12
Fans ....................................................................................
page 12
Condensing water outlets.......................................................
page 12
Cleaning work .....................................................................
page 13
OPERATION FAILURES / ALARMS
Symtom/Cause/Alarms..........................................................
page 14
Thank you that you have decided on Helios ventilation system with heat recovery.
Read the information summarised in the operation and installation instruction
before the Helios unit is put into operation.
In addition, you will find information about the maintenance and care which serves
the proper functioning and conservation of value of your Helios unit.
TABLE OF CONTENTS
2