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Summary of Contents for PAW HeatBloC K34 - DN 25
- Page 1 PAW GmbH & Co.KG Böcklerstr. 11, D-31789 Hameln, Germany Phone: +49-5151-9856-0, Fax: +49-5151-9856-98 E-mail: info@paw.eu, Web: www.paw.eu Installation and Operation Instructions K34 HeatBloC - DN 32 2015/07 9939062x-mub-en – V10...
- Page 2 Item no. 9939062x-mub-en - Version V10 – Issued 2015/07 Translation of the original instructions PAW GmbH & Co.KG We reserve the right to make technical changes without notice! Böcklerstr. 11 Printed in Germany – Copyright by PAW GmbH & Co. KG 31789 Hameln, Germany 9939062x-mub-en – V10 2015/07...
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Page 3: Table Of Contents
1 General information Contents 1 General information ......................4 1.1 Scope of these instructions .................... 4 1.2 Designated use ......................4 2 Safety instructions ....................... 5 3 Product description......................6 3.1 Equipment ........................6 3.2 Function ......................... 7 3.2.1 Check valve and non return valve ................8 3.2.2 ... -
Page 4: General Information
The HeatBloC must not be used in domestic water applications. Improper usage excludes any liability claims. Only use PAW accessories with the HeatBloC. The wrapping materials are made of recyclable materials and can be disposed of with recyclable materials. -
Page 5: Safety Instructions
2 Safety instructions 2 Safety instructions The installation and commissioning as well as the connection of electrical components require technical knowledge commensurate with a recognised vocational qualification as a fitter for plumbing, heating and air conditioning technology, or a profession requiring a comparable level of knowledge [specialist]. -
Page 6: Product Description
The pump can be isolated by means of the ball valves and the mixing valve. Thus, you can maintain the pump without draining the heating circuit. The PAW HeatBloC is designed such that it can be directly mounted onto a PAW distribution manifold or a mounting plate with thread connections. With adaptor connections, the HeatBloCs can also be installed on distribution manifolds with other dimensions. -
Page 7: Function
3 Product description 3.2 Function K34 3-way mixing valve with bypass 0-50 % The flow temperature of the HeatBloC is controlled by the integrated mixing valve. Hot water from the boiler and cold return water are mixed to obtain the desired flow temperature. -
Page 8: Check Valve And Non Return Valve
3 Product description 3.2.1 Check valve and non return valve The HeatBloC is equipped with a check valve (D-1, opening pressure 200 mm wc) in the return pipe and a non return valve (C-3, opening pressure 50 mm wc) in the mixing valve return. They can be opened manually. -
Page 9: Pump [Specialist]
3 Product description 3.2.2 Pump [specialist] The pump can be completely isolated. It can be replaced and maintained without draining of the heating installation. Isolation of the pump: 1. Disconnect the expansion tank from the installation. 2. Close the ball valves in the flow and the return (A-2, F-2). 3. - Page 10 3 Product description 1. Determine the optimum bypass position during commissioning in a trial-and-error process. When the slot of the bypass screw is in a vertical position, the bypass is closed (normal operation). When the slot of the bypass screw is in a horizontal position, the bypass is completely open.
- Page 11 3 Product description Change of the flow line [specialist] Dismounting the mixing valve 1. Take off the thermometer handles (A-2, F-2) and remove the insulating front shell. 2. Take the HeatBloC out of the insulating back shell. 3. Dismount the mixing valve (C). Conversion of the mixing valve 1.
- Page 12 Mixing valve with flow on the right Mixing valve with flow on the left 12. Turn the cover plate (4) such that the designation PAW is at the bottom and the scale is located as can be seen in the figure above.
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Page 13: Accessories: Actuator (Not Included In Delivery)
3.2.4 Accessories: actuator (not included in delivery) The PAW actuator for weather-compensated control is available as an accessory. For mixing valves with flow on the left, the scale must be turned by 180°. for mixing valves with flow on the right... -
Page 14: Assembly And Installation [Specialist]
4 Assembly and installation [specialist] 4 Assembly and installation [specialist] The K34 HeatBloC must be either installed on a PAW modular distribution manifold or a set of wall bracket and mounting plate. The modular distribution manifold, the wall bracket and the mounting plate are not included in delivery. -
Page 15: Installation Of The Heatbloc And Commissioning
4 Assembly and installation [specialist] Installation of the HeatBloC and commissioning The HeatBloC can be installed Option 1: on a PAW modular distribution Option 2: on a mounting plate with manifold. thread connections. Consumer circuit Consumer circuit Return... - Page 16 4 Assembly and installation [specialist] 1. Take off the thermometer handles Flange (A-2, F-2) and remove the insulating (top view) front shell of the HeatBloC. 2. Unscrew the nuts on the lower connections of the HeatBloC and take out the sealing rings. 3.
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Page 17: Scope Of Delivery [Specialist]
5 Scope of delivery [specialist] Scope of delivery [specialist] NOTICE Complaints and requests/orders of spare parts will only be processed with information on the serial number! The serial number can be found on the return pipe of the heating circuit. Item no. -
Page 18: Technical Data
6 Technical data 6 Technical data DN 32 (1¼") Dimensions Centre distance (1) 125 mm Width insulation (2) 250 mm Height insulation (3) 438 mm Installation length (4) 385 mm Connections Outlet (A-1, F-1) 1¼" internal thread Inlet (C-1, C-2) 2"... -
Page 19: Pump And Pressure Drop Characteristics
6 Technical data DN 32 (1¼") Hydraulics Maximum pressure 6 bars Maximum temperature 110 °C value [m 10.8 6.1 Pump and pressure drop characteristics Flow rate [l/h] 2015/07 9939062x-mub-en – V10... - Page 20 PAW GmbH & Co.KG www.paw.eu Böcklerstraße 11 Phone: +49 (0) 5151 9856- 0 D-31789 Hameln, Germany Fax: +49 (0) 5151 985698 9939062x-mub-en – V10 2015/07...
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