Worcester GB162 Installation Instructions Manual Download | Manualshive

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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)

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2
3
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Summary of Contents for 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: ...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 assembly connection kit 10 Gas connection kit TR back to back 11 Flange 12 Low loss header B1 A1 A1 B1 C2 C1 C1 A1 A2 B1 B2 B2 A2 C2 A2 B2 1 5 2 3 4 8 6 10 12 11 9 7 7214 6000 001 1TD ...

Page 3: ...CONTENTS 1 Key to symbols 4 1 1 Explanation of symbols 4 2 General points 5 3 Items supplied with unit 6 4 Dimensions 8 5 Cascade frame installation 10 5 1 Boiler assembly and pump group installation 10 5 2 Installing the insulation 11 ...

Page 4: ...IMPORTANT INFORMATION ADDITIONAL SYMBOLS Warnings in this document are framed and identified by a warning triangle which is printed on a grey background Electrical hazards are identified by a lightning symbol surrounded by a warning triangle Important information in cases where there is no risk of injury or material losses is identified by the symbol shown on the left It is bordered by horizontal ...

Page 5: ...ms 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 installation The compact dimensions of the individual cascade frame parts enable simple and quick installation ...

Page 6: ...supplies cascade systems in TL and TR configurations TL INLINE INSTALLATION All boiler assemblies are in a line enabling an easy to monitor installation in a narrow room TR BACK TO BACK INSTALLATION The boiler assemblies are located on both sides of the frame and are installed back to back to create a compact installation which ideally suits rectangular rooms and which ensures the best possible ac...

Page 7: ...nfigurations 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 connection can be at the other side of the boilers to the flow and return connections to the header Fig 4 Cascade system configuration varieties 1 2 1 2 1 2 1 2 1 2 1 2 7214 6000 004 1TD ...

Page 8: ...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 B1 B2 510 288 1 2 3 4 0 B3 F1 3 4 1 2 4 3 1 B A 2 4 6 720 648 720 003 1TD ...

Page 9: ... 2675 45 2720 575 TL6 3200 45 3245 575 TL7 3725 45 3770 575 TL8 4250 45 4295 575 Table 4 TL inline configurations Cascade system Header inch Length mm B1 mm B2 mm B3 mm L1 mm F1 flange dimension in mm TL2 TL3 TR2 2 straight 488 488 Blank flange C2631 37 2 NW 65 76 1 PN6 right angled 213 213 621 133 TL4 TR3 TR4 3 straight 571 571 Blank flange C2631 37 2 NW 80 88 9 PN6 right angled 252 252 728 157 T...

Page 10: ...ut the boiler in the correct position and level it hori zontally and vertically Use the set screws on the lower rear of the boiler to adjust it B Connect the pump group Æ GB162 Installation and service instructions B Remove the protective yellow caps from the main gas pipe B Apply PTFE tape to the screw thread connections B Connect up the gas connection pipe between the gas valve and the main gas ...

Page 11: ...ngled low loss header has been installed fit the insulation around the bends B Install the rear insulation part over the low loss header 2 B If required trim the insulation so that it is straight 3 Fig 9 Sammelleitung B For 2 and 3 low loss header install the inserts in the outer insulation For a 2 low loss header install the reducing inserts in the outer recesses 2 For a 3 low loss header install...

Page 12: ...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 LITERATURE 0844 892 9800 TRAINING 01905 752526 SALES 01905 752640 ...

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