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  5. Installation Instructions Manual

Worcester GB162 Installation Instructions Manual

Summary of GB162

  • Page 1

    Uk/ie installation instructions cascade unit 6 720 648 720-000.1td for wall hung gas-fired condensing boiler gb162-65/80/100 6 720 648 720 ( 2011 /07).

  • Page 2: Product Overview

    Product overview 6 720 648 720 (2011/07) 2 product overview fig. 1 overview of cascade frame 1 supports 2 connecting frame 3 main gas pipe 4 flow and return header 5 gas connection kit tl-inline 6 mounting bracket 7 boiler connection set tl-inline 8 boiler connection set tr-back-to-back 9 boiler ass...

  • Page 3

    Contents 6 720 648 720 (2011/07) 3 contents 1 key to symbols . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.1 explanation of symbols . . . . . . . . . . . . . . . 4 2 general points . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 items supplied with unit . . . . . . . . . . . . . . ...

  • Page 4

    Key to symbols 6 720 648 720 (2011/07) 4 1 key to symbols 1.1 explanation of symbols warnings keywords indicate the seriousness of the hazard in terms of the consequences of not following the safety instructions. • note indicates that material damage may occur. • caution indicates that minor to medi...

  • Page 5

    General points 6 720 648 720 (2011/07) 5 2 general points the installation instructions for cascade systems with gb162 appliances are provided to enable correct and easy installation. The modular cascade frame consists of a number of supports with connecting frames which are screwed together during ...

  • Page 6

    Items supplied with unit 6 720 648 720 (2011/07) 6 3 items supplied with unit cascade frame (Æ fig. 1) • supports • connecting frame • main gas pipe • flow and return header • boiler connection kit • flange seals • low loss header • blank flanges • rubber pump seals • fixings • installation instruct...

  • Page 7

    Items supplied with unit 6 720 648 720 (2011/07) 7 bend sets with low loss header the gb162 cascade system can be installed in various configurations (Æ fig. 4). By using the bend set the low loss header can be installed at an angle to the boilers. The gas pipe is reversible so that the gas connecti...

  • Page 8

    Dimensions 6 720 648 720 (2011/07) 8 4 dimensions fig. 5 dimensions of cascade systems 1 a tl-inline configuration b tr-back-to-back installation 1 flow and return header 2 low loss header with bend set 3 low loss header, straight 4 enclosed welding flanges 497 147 525 575 x1 1722 y1 675 810 525 l1 ...

  • Page 9

    Dimensions 6 720 648 720 (2011/07) 9 fig. 6 dimensions of cascade systems 2 cascade system length [mm] x1 + y1 width [mm] tr2 575 + 38 = 613 992 tr3, tr4 1100 + 42 = 1142 992 tr5, tr6 1625 + 45 = 1670 992 tl7, tr8 2150 + 45 = 2195 992 table 3 tr-back-to-back configurations caution: b the dimensional...

  • Page 10

    Cascade frame installation 6 720 648 720 (2011/07) 10 5 cascade frame installation b fix the frame onto the first leg of the cascade unit. Use the m8 x 70 screws for this. B now fix the next leg and continue fitting until the cascade unit is compelte. B position the frame into its final position. B ...

  • Page 11

    Cascade frame installation 6 720 648 720 (2011/07) 11 b repeat the above steps to install all boilers. B if required, seal off any unused connections of the main gas pipe and the header. B install the condensate drain pipe. Use the pre- assembled mounting brackets on the supports for this. B when in...

  • Page 12

    Worcester, bosch group cotswold way, warndon, worcester wr4 9sw. Tel. 0844 892 9900 worcester, bosch group is a brand name of bosch thermotechnology ltd. Worcester-bosch.Co.Uk 6 720 648 720 worcester, bosch group: technical support: 0844 693 3028 appointments: 0844 892 3000 spares: 01905 752571 lite...