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PAW GmbH & Co. KG 

Böcklerstr. 11, 31789 Hameln, Germany 

Phone: +49-5151-9856-0, Fax: +49-5151-9856-98 

E-mail: [email protected], Web: www.paw.eu 

 

2021/11 

9964042x21-mub-en - V02 

 

 

 

 

Installation Instructions 

Switch valve set for the double cascade 

FriwaMidi 

FriwaMaxi 

Summary of Contents for 64042621

Page 1: ...erstr 11 31789 Hameln Germany Phone 49 5151 9856 0 Fax 49 5151 9856 98 E mail info paw eu Web www paw eu 2021 11 9964042x21 mub en V02 1 Installation Instructions Switch valve set for the double cascade FriwaMidi FriwaMaxi ...

Page 2: ... FC3 10 7 3 3 Controller connection FC4 13 11 4 Scope of delivery 14 4 1 Switch valve set FriwaMidi 64042621 15 4 2 Switch valve set FriwaMaxi 64042721 16 5 Technical data 2 way zone valve 17 6 Disposal 18 7 Commissioning report 19 Item no 9964042x21 mub en Version V02 Date 2021 11 Translation of the original instructions We reserve the right to make technical changes without notice Printed in Ger...

Page 3: ...lers or pumps please observe the instructions of the corresponding manufacturer 1 2 About this product The switch valve set for the Friwa Kaskade includes the piping for one module the cable and two 2 way zone valves The motor driven ball valves are DVGW certified and suitable for DHW modules In the manual mode the ball valves can be opened and closed manually 1 3 Designated use The switch valve s...

Page 4: ...this manual WARNING Risk to life and limb due to electric shock Prior to commencing electrical work pull the mains plug Only after completing all installation work the mains plug of the controller can be plugged into a socket Thus an unintentional start of the motors is avoided NOTICE Material damage due to mineral oils Mineral oil products cause lasting damage to seals made of EPDM whereby the se...

Page 5: ...o property The location of installation must be dry load carrying frost proof and protected against ultraviolet radiation in order to prevent material damage of the installation 3 1 Assembly and installation specialist 1 Remove the insulating front shell of each module 2 Close the piston valves 1 and 6 of the domestic hot water circuit 3 Drain the double bent pipe 2 in the cold water inlet by open...

Page 6: ...ve and the elbow piece 3 4 Firmly tighten all screw connections afterwards 5 Connect the valve to the controller of the module see page 7 ff and activate the automatic operation mode see the separate instructions of the zone valve 6 Convert the other Friwa modules in the same way 7 Connect the controllers of the cascade with the communication cable included see page 7 ff NOTICE Use the new gaskets...

Page 7: ... to connect the controllers with each other in order to establish a communication between them WARNING Risk to life and limb due to electric shock Prior to commencing electrical work on the controller pull the mains plug and make sure that a restart is not possible Only after completing all installation work plug the mains plug of the controller into a socket This avoids an unintentional start of ...

Page 8: ...sor cables of the VFS US sensors of the PWM signal and of the temperature sensors from the controller circuit board plug connector C 4 Unscrew the two screws to remove the intermediate level D 5 Remove the strain relief on the 230 V level E 6 Connect the 2 way zone valve to the relay 1 Observe the polarity of the connection Brown Lconst Black L Blue N ...

Page 9: ...hapter stratification 8 Mount the strain relief of the 230 V level and the intermediate level 9 Connect the controllers with each other via a bus line To do this put the plug of the bus line into the socket marked with RS 485 Recommendation Arrange the controllers from left to right in the following order client server 1 server 2 server 3 Observe the controller instructions You will find a detaile...

Page 10: ...connected between the first and the last participant must be plugged into the marked Pos 1 of the plug connector After that mount the two strain reliefs and the front panel of the controller Set up the power supply of the installation and put the controller into operation according to the controller instructions The following table shows the required positions of the jumpers depending on the numbe...

Page 11: ... Only after completing all installation work the mains plug of the controller can be plugged into a socket Thus an unintentional start of the motors is avoided 1 Open the front panel of the controller 2 Connect the 2 way zone valve to the corresponding controller Black R1 Blue N Brown L 3 Connect the connection cable to both controllers Observe the polarity of the connection Brown VBus White VBus ...

Page 12: ...duct description 12 9964042x21 mub en V02 2021 11 Operation of the controller FC4 13 You will find a detailed description of the commissioning of the controller in the controller instructions see page 36 37 ...

Page 13: ...Product description 2021 11 9964042x21 mub en V02 13 If not only the switch valve but also the 3 way valve for stratification shall be connected then double L with the help of a WAGO terminal see example ...

Page 14: ...4042x21 mub en V02 2021 11 4 Scope of delivery NOTICE Complaints and requests orders of spare parts will only be processed with information on the serial number The serial number is placed on the short and straight pipe section ...

Page 15: ...x21 mub en V02 15 4 1 Switch valve set FriwaMidi 64042621 Position Spare part Item no 1 Sealing kit 10 pieces for thread connection 1 N00024 2 2 way zone valve DN 20 drinking water 2 x 1 ext thread with actuator 230 V 50 Hz 12s 90 N00022 ...

Page 16: ...valve set FriwaMaxi 64042721 Position Spare part Item no 1 Sealing kit 10 pieces 1 for thread connection 1 N00036 2 Sealing kit 10 pieces for thread connection 1 N00174 3 2 way zone valve DN 25 drinking water 2 x 1 ext thread with actuator 230 V 50 Hz 12s 90 N00028 ...

Page 17: ...ch valve set FriwaMaxi Total height 507 mm 518 mm Pipe connections 1 external thread 1 external thread Operating data Degree of protection IP44 standard IEC 529 Nominal voltage 230 V AC Nominal pressure PN 10 Maximum temperature of the medium 110 C Setting time 12 sec 90 Materials Valve housing CW617DW Ball CW617N Valves and fittings Stainless steel 1 4404 Gaskets PTFE G 502 EPDM Perox FPM AFM34 ...

Page 18: ...in your area The addresses can be obtained from your city or communal administration If the old electrical or electronic device contains personal data you are responsible for deleting it before returning the device Batteries and rechargeable batteries must be removed prior to the disposal of the product Depending on the product equipment partly with optional accessories single components can also ...

Page 19: ...ng during manual operation mode Valve R1 OK Valve R2 OK Valve R3 OK optional Valve R4 OK optional Pipes mm l m Equipment with circulation line without circulation line Have all pipes in the primary and secondary circuit been checked for tightness Checked Are all cables properly connected Checked Are the controllers set for cascade operation mode Checked Plumbing company Date signature ...

Page 20: ...2021 11 9964042x21 mub en V02 20 PAW GmbH Co KG Böcklerstraße 11 31789 Hameln Germany www paw eu Phone 49 0 5151 9856 0 Fax 49 0 5151 9856 98 ...

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