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PAW GmbH & Co. KG
Böcklerstr. 11, D-31789 Hameln, Germany
Phone: +49 (0)5151-9856-0, Fax: +49 (0)5151-9856-98
E-mail: info@paw.eu, Web: www.paw.eu
Installation and Operation Instructions
CoolBloC - C34
DN 25 / DN 32
DN 25
DN 32
2018/06
99423x063MGK7-mub-en – V01
1

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Summary of Contents for PAW CoolBloC C34 DN 32

  • Page 1 PAW GmbH & Co. KG Böcklerstr. 11, D-31789 Hameln, Germany Phone: +49 (0)5151-9856-0, Fax: +49 (0)5151-9856-98 E-mail: info@paw.eu, Web: www.paw.eu Installation and Operation Instructions CoolBloC - C34 DN 25 / DN 32 DN 25 DN 32 2018/06 99423x063MGK7-mub-en – V01...
  • Page 2 Translation of the original instructions PAW GmbH & Co. KG We reserve the right to make technical changes without notice! Böcklerstraße 11 Printed in Germany – Copyright by PAW GmbH & Co. KG D - 31789 Hameln, Germany 99423x063MGK7-mub-en – V01 2018/06...
  • Page 3: Table Of Contents

    1 General Information Contents General Information ......................4 Scope of these instructions ..................4 Designated use ......................4 Safety instructions ......................5 Product description ......................6 Equipment ........................6 Function ........................7 3.2.1 Check valve and non-return valve ................. 8 3.2.2 Pump [specialist] ....................
  • Page 4: General Information

    This product complies with the relevant directives and is therefore labelled with the CE mark. The Declaration of Conformity is available upon request, please contact the manufacturer. Only use PAW accessories with the CoolBloC. 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 CoolBloC can be mounted with a thermally decoupled wall bracket or alternatively on a modular PAW distribution manifold. With transition connections, PAW CoolBloCs can also be mounted on PAW modular distribution manifolds of other dimensions.
  • Page 7: Function

    3 Product description 3.2 Function C34 3-way mixing valve with bypass 0-50% The flow temperature of the heating circuit is controlled by the integrated mixing valve. Heated or cooled water from the boiler and cooled or heated return water are mixed to obtain the desired flow temperature of the heating circuit.
  • Page 8: Check Valve And Non-Return Valve

    3 Product description 3.2.1 Check valve and non-return valve The CoolBloC is equipped with a check valve (D-1, opening pressure 200 mm wc) in the return pipe and with a non-return valve (C-3, opening pressure 50 mm wc) in the return of the mixing valve.
  • 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 the heating circuit. 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. During commissioning, determine the optimum bypass position for the operation of the installation through a trial-and-error process. If the slot of the bypass screw is in a vertical position, the bypass is closed. If 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 of the mixing valve 1. Take off the thermometer handles (A-2, F-2) and remove the insulating front shell. 2. Take the group of fittings out of the insulating back shell. 3.
  • Page 12 Mixing valve with flow on the right Mixing valve with flow on the left 12. Turn the cover plate (5) in such a way that the marking PAW is at the bottom and that the scale is positioned as shown in the figure above.
  • Page 13: Assembly And Installation [Specialist]

    4 Assembly and installation [specialist] 4 Assembly and installation [specialist] The CoolBloC C34 can be mounted on a thermally decoupled wall bracket or on stair bolts. The wall bracket and the stair bolts with wall plugs are optional accessories and are thus not included in the scope of delivery.
  • Page 14 4 Assembly and installation [specialist] 1. Remove the thermometer handles Fig. 1 (A-2, F-2) (see figure 1). 2. Remove the insulating front shell of the CoolBloC in the following order: • Remove the upper insulating element of the thermometers. • Remove the insulating element Fig.
  • Page 15 4 Assembly and installation [specialist] 9. Punch out the holes at the marked areas Fig. 5 in the insulation (see figure 5). 10. Push the insulation on the wall bracket or on the stair bolts. 11. Now push the fittings on the wall bracket until the clips snap in.
  • Page 16: Actuator

    4 Assembly and installation [specialist] 4.2 Actuator The PAW actuator for weather-compensated control is included in the scope of delivery. For mixing valves with flow on the left, the scale must be turned by 180°. Fig. 1 Fig. 2 blue...
  • Page 17: Assembly Of The Actuator For Coolbloc With Flow On The Left

    4 Assembly and installation [specialist] 4.4 Assembly of the actuator for CoolBloC with flow on the left: 1. Turn the rotary knob of the mixing Fig. 4 valve into position 10. The nose at the rotary knob of the mixing valve is thus in 7:30 o'clock position.
  • Page 18: Scope Of Delivery [Specialist]

    5 Scope of delivery [specialist] 5 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 is placed on the return pipe of the cooling circuit. 5.1 Spare parts DN 25 Item number cooling circuit Pump Item no.
  • Page 19: Spare Parts Dn 32

    5 Scope of delivery [specialist] 5.2 Spare parts DN 32 Item number cooling circuit Pump Item no. 4239063MGK7 Grundfos UPM3K Hybrid 15-70 CIL E121454702 < 0.20 Accessories Item number Sealing set for mixing valve 41013 Actuator 5 Nm, 230 V, 50 Hz 705001 2018/06 99423x063MGK7-mub-en –...
  • Page 20: Technical Data

    6 Technical data 6 Technical data DN 25 (1") DN 32 (1¼" Dimensions Centre distance (1) 125 mm 125 mm Width insulation (2) 250 mm 250 mm Height insulation (3) 383 mm 441 mm Installation length (4) 342 mm 400 mm Connections Outlet (A-1, F-1) 1"...
  • Page 21: Pressure Drop And Pump Characteristic Curve C34 - Dn 25 / Dn 32

    6 Technical data DN 25 (1") DN 32 (1¼") Hydraulics Max. pressure 6 bars Minimum temperature* -10 °C, flowable / conveyable Max. temperature 110 °C value [m 10.1 * In general, the cooling water temperature must not fall below 15 - 16 °C in order to minimise the formation of condensation water (shortfall of the dew point temperature) at the system components.
  • Page 22: Determination Of The Dew Point

    6 Technical data Determination of the dew point Example: Room air temperature 22 °C, relative air humidity 55%, dew point temperature 12.5 °C Relative air humidity [%] 99423x063MGK7-mub-en – V01 2018/06...
  • Page 23 6 Technical data 2018/06 99423x063MGK7-mub-en – V01...
  • Page 24 PAW GmbH & Co. KG www.paw.eu Böcklerstraße 11 Phone: +49 (0) 5151 9856 - 0 D-31789 Hameln, Germany Fax: +49 (0) 5151 9856 - 98 99423x063MGK7-mub-en – V01 2018/06...

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