PAW 6404631 Owner's manual

PAW GmbH & Co.KG
Böcklerstr. 11, D-31789 Hameln, Germany
Phone: [phone], Fax: [phone]
E-mail: [email protected], Web: www.paw.eu
2015/12 996404631-mub-en - V02 1
Installation and Operation Instructions
Domestic hot water module
FriwaMini with circulation - DN 15

1General Information
2 996404631-mub-en - V02 2015/12
Item no. 996404631-mub-en - Version V02 –Date 2015/12
Translation of the original instructions
We reserve the right to make technical changes without notice!
Printed in Germany –Copyright by PAW GmbH & Co. KG
PAW GmbH & Co.KG
Böcklerstraße 11
D-31789 Hameln, Germany

1General Information
2015/12 996404631-mub-en - V02 3
Contents
1General Information............................................................................................................. 4
1.1 Scope of these instructions............................................................................................ 4
1.2 About this product .......................................................................................................... 5
1.3 Designated use .............................................................................................................. 5
2Safety instructions............................................................................................................... 6
3Product description.............................................................................................................. 7
4Dimensioning and planning ................................................................................................. 8
4.1 Dimensioning of the tank ............................................................................................... 9
5Circulation mode ............................................................................................................... 10
6Assembly and installation [specialist] ................................................................................ 11
7Commissioning [specialist] ................................................................................................ 14
7.1 Filling the primary circuit .............................................................................................. 15
7.2 Commissioning of the controller................................................................................... 16
7.3 Maximum withdrawal flow rate..................................................................................... 18
7.4 Setting the temperature ............................................................................................... 20
8Maintenance [specialist] .................................................................................................... 21
9Spare parts [specialist] ...................................................................................................... 22
9.1 Spare parts primary circuit FriwaMini with circulation (6404631)....................................... 22
9.2 Spare parts primary circuit FriwaMini with circulation (6404631)....................................... 23
10 Technical data................................................................................................................... 24
10.1 Dimensional drawing FriwaMini with circulation........................................................... 25
10.2 Pressure drop characteristics FriwaMini with circulation ............................................. 25
11 Commissioning report ....................................................................................................... 26

1General Information
4 996404631-mub-en - V02 2015/12
1General Information
1.1 Scope of these instructions
These instructions describe the installation, commissioning, function and operation of the
FriwaMini domestic hot water module with circulation. The chapters called [specialist] are
intended for specialists only.
For other components of the system such as tanks, controllers or pumps, please observe the
instructions of the corresponding manufacturer.
Station
Item number
Controller
FC3.8
Pump
prim./sec.
Heat exchanger
FriwaMini
with
circulation
6404631
Prim: Grundfos
UPM2 15-75
30 plates
Sec: Grundfos
UPM2 15-75 CIL2
Carefully read these instructions before installation and commissioning.
Save these instructions in the vicinity of the installation for future reference.

1General Information
2015/12 996404631-mub-en - V02 5
1.2 About this product
The domestic hot water module is a premounted fitting group checked for leakage used to
transfer the heat between the buffer tank and the domestic hot water circuit. It contains a preset
controller as well as important fittings for the operation of the system:
Ball valves in the primary circuit
Piston valves in the secondary circuit
Pressure relief valve in the secondary circuit
Premounted controller
Temperature sensor in the cold water supply
Temperature sensor in the heating circuit flow
line
Flow meter in the domestic hot water outlet
Primary and circulation pump, can be isolated
Manual vent valve for venting the heat
exchanger and the pump
1.3 Designated use
The domestic hot water module must be used in heating installations between the buffer tank
and the domestic hot water circuit. Due to its design the station must be mounted and operated
in a vertical position. The technical data specified in these instructions must be observed.
Only use PAW accessories with the domestic hot water module.
Improper usage excludes any liability claims.
The wrapping materials are made of recyclable materials and can be disposed of with
recyclable materials.