Zehnder Rittling ComfoFond-L Q ST, Installer Manual

   17 - EN

Table of contents

Foreword .................................................................................................................................................................... 16

1.  Introduction and safety ................................................................................................................................................ 18

2.  Transport and unpacking ............................................................................................................................................. 18

3.  Installation conditions .................................................................................................................................................. 19

4.  Installation .................................................................................................................................................................. 19

4.1  Connection of the air ducts .................................................................................................................................. 19

4.2  Mounting on the wall  ........................................................................................................................................... 20

4.3  Connecting the condensation drain ...................................................................................................................... 20

4.4  

Connecting the brine loop (terrestrial heat collector) ............................................................................................... 21

4.5  Electrical connections .......................................................................................................................................... 21

5.   Commissioning  .......................................................................................................................................................... 22

5.1  Filling the brine loop ............................................................................................................................................. 22

5.2  Adjusting the circulation pump .............................................................................................................................. 23

5.3  

Registering the ComfoFond-L Q on the ComfoAir Q ............................................................................................... 23

5.4  Adjusting the control temperatures  ....................................................................................................................... 23

6.  Maintenance .............................................................................................................................................................. 24

6.1  For replacing filters .............................................................................................................................................. 24

6.2  Cleaning condensation drain ................................................................................................................................ 24

6.3  Inspecting brine loop ........................................................................................................................................... 25

6.4  Cleaning internal siphon ....................................................................................................................................... 25

6.6  

Maintenance of ComfoFond-L Q battery ................................................................................................................ 26

6.7  Replacing circulation pump .................................................................................................................................. 26

6.8  Replacing expansion vessel ................................................................................................................................. 26

6.9  Replacing filling valve ........................................................................................................................................... 26

6.10 Replacing boiler safety group ............................................................................................................................... 26

7. 

Malfunctions ............................................................................................................................................................... 27

8 

Technical specifications  ............................................................................................................................................. 27

8.1  Brine loop dimensions  ........................................................................................................................................ 28

8.2  Brine mixture ....................................................................................................................................................... 28

9.  CE certification and warranty ....................................................................................................................................... 29

I 

Dimensional sketch ComfoFond-L Q L TR ...................................................................................................................  87

II 

 Dimensional sketch ComfoFond-L Q R TR ..................................................................................................................  87

III 

Dimensional sketch ComfoFond-L Q L ST ...................................................................................................................  88

IV  Dimensional sketch ComfoFond-L Q R ST ...................................................................................................................  88

V 

Wall mounting pictures ...............................................................................................................................................  89

VI  Condensation drain pictures .......................................................................................................................................  89

VII  Wiring diagram ..........................................................................................................................................................  90

VIII  Air resistance graphs .................................................................................................................................................  90

IX  Circulation pump settings ...........................................................................................................................................  91

X 

Service parts .............................................................................................................................................................  92

XI  Installation report .......................................................................................................................................................  93

XII  Maintenance log ........................................................................................................................................................  94