Zehnder Rittling ComfoAir 350, Installer Manual

 3 - EN

Table of Contents

Preface

 1

1 introduction

 .........................................................................................................................................

1

1.1  Guarantee and liability

 ..................................................................................................................... 1

1.1.1 Guarantee  conditions .............................................................................................................................1
1.1.2 Liability...................................................................................................................................................1

1.2 Safety 

........................................................................................................................................... 2

1.2.1  Safety regulations ...............................................................................................................................2
1.2.2  Safety provisions and measures .........................................................................................................2
1.2.3  Pictograms used .................................................................................................................................2

2 

For the installer...................................................................................................................................................3

2.1  ComfoAir configuration .................................................................................................................................3
2.2  Technical specifications ................................................................................................................................4
2.3  Dimension sketch ..........................................................................................................................................6
2.4  Installation conditions ...................................................................................................................................7
2.5  Installation of the ComfoAir ...........................................................................................................................7

2.5.1  Transport and unpacking ....................................................................................................................7
2.5.2   Checking the delivery ..........................................................................................................................7

2.6  Mounting of the ComfoAir .............................................................................................................................7

2.6.1  Mounting on the wall ...........................................................................................................................7
2.6.2  Connection of the air ducts .................................................................................................................8
2.6.3  Connection of the condensation drain ................................................................................................8

2.7  Commissioning the ComfoAir ........................................................................................................................9

2.7.1 Display on the unit .................................................................................................................................9
2.7.2  P menus for the user ......................................................................................................................... 10
2.7.3  P menus for the installer ................................................................................................................... 12

2.8  Programming air specifications ................................................................................................................... 15
2.9  Maintenance by the installer ........................................................................................................................ 16

2.9.1  Inspecting and cleaning the heat exchanger ..................................................................................... 16
2.9.2  Inspecting and cleaning the fans ...................................................................................................... 17
2.9.3  Inspecting and cleaning the preheater element filter......................................................................... 17

2.10 Malfunctions ................................................................................................................................................ 18

2.10.1  Malfunction alerts on digital operating devices ................................................................................. 18
2.10.2 3-position switches with malfunction indicator ................................................................................. 18
2.10.3 What to do in the event of a malfunction / Trouble shooting ............................................................. 19
2.10.4 Malfunctions (or problems) without alarms  ......................................................................................25

2.11 Service parts ...............................................................................................................................................26
2.12 Wiring diagram: ComfoAir 350 Basic – LEFT-HAND version ........................................................................27
2.13 Wiring diagram: ComfoAir 350 Basic – RIGHT-HAND version .....................................................................28
2.14 EEC declaration of conformity  ....................................................................................................................29