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Ambirad Herringbone HB Manual

Combined flue system
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HERRINGBONE
HB COMBINED
FLUE SYSTEM

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Summary of Contents for Ambirad Herringbone HB

  • Page 1 HERRINGBONE HB COMBINED FLUE SYSTEM...
  • Page 2 Index General arrangement of Ambi-Rad Herringbone system Instructions and installation Manifold assembly Fan to flue arrangement Commissioning Control system Service instructions...
  • Page 3 Ambi-Rad Herringbone check the pressure drop of the manifold system to ensure it does not exceed the hot The Ambi-Rad Herringbone HB combined gas vacuum fan design criteria. manifold system may consist of either ‘U’ tube or linear heaters, linked into a common 1.1 Standards...

  • Page 4: Instructions And Installation

    2 Instructions and installation Figure 1 Typical Herringbone heating arrangement using heaters 3.1 Method of jointing aluminium tube Secure the joint by drilling through 3 Manifold assembly the tube and fitting and fix with three Using the applicator gun exude 4mm After fixing the heaters in the desired pop rivets at 12 o’clock, 4 o’clock and diameter bead of high temperature...
  • Page 5 Figure 2 Figure 3 Important – fit rivets and jointing compound, SEAL ALL JOINTS. Figure 4 Important – fit damper in vertical position Gas flow...
  • Page 6 3.3 Manifold suspension 3.4 Condensate trap copper based alloy shall not be used for condensation drains. See reference The manifold should be supported A condensate trap assembly must be BS 6896:1991. Condensate drain pipes must by chain, stainless steel flexible wire, provided at the end of the manifold be protected against the effects of freezing.
  • Page 7 Figure 6 Dimensions of fan outlet – Type ‘0’ fan 4 Fan to flue arrangement Type ‘0’ fan The Type ‘0’ and Type ‘2’ vacuum fans have bottom horizontal discharge with rectangular connections (flanged on the type 0) and must be mounted in that position by means of the fan support stool onto a suitable platform or brackets fixed to the building structure.
  • Page 8 Figure 7 Vacuum fan mounting details see Fig 6 Fan type ‘0’ ‘2’ All dimensions are in millimetres.
  • Page 9 Conventional fan to flue arrangements Figure 8a High fan arrangement Figure 8d Conventional flue arrangement - roof exit Figure 8b Low fan arrangement Figure 8e Conventional flue arrangement - wall exit Figure 8c Stainless steel telescopic through the wall Figure 9 Collecting chamber arrangement arrangement (available for Type ‘0’...
  • Page 10 Adjust the damper at exit of each heater Ensure all internal components are securely 5 Commissioning using a 4mm hexagon wrench in the M8 fixed and all connections securely made. locking screw. Observing the vacuum Inspect installation and ensure it has been Reinsert the electrical connector to the reading using a ‘U’...
  • Page 11 If ignition is successful the flame is detected Using a suitable screwdriver, adjust the Balancing system by the flame sensing probe and the ignition pressure regulator, turning the screw Important When all the heaters have been spark is switched off. The amber burner on clockwise to increase the pressure or commissioned as above, the vacuum settings anti-clockwise to decrease the pressure.

  • Page 12: Control System

    Figure 11 Logic sequence for Herringbone control panel 6 Control system The control system must be installed in accordance with the design specification. Power onto panel 6.1 Control panel design Ambi-Rad control panels are available either as standard units to control Mode switch in off position Mode switch in auto position Mode switch in constant position...
  • Page 13 Figure 12a Single zone Herringbone control panel wiring diagram for Type ‘2’ fan (single phase) incorporating the ARBB65 black bulb control thermostat...
  • Page 14 Figure 12b Wiring diagram for Type ‘0’ fan (single phase)
  • Page 15 Vacuum fan characteristics Fan type ‘0’ ‘2’ * Power watts Running current (overload rating) amps Phase Single Single Voltage Overload not required. Figure 13 Black bulb sensor and controller 6.3 Instructions for fixing sensor unit f Refit the sensor to the base. a A position should be selected 1.5m 6.4 Fan starter overload from the floor where the sensor will be...
  • Page 16 Servicing work should be carried out by a qualified gas servicing engineer. For heater routine service, trouble shooting checklist and spares list, please refer to the AR/ARE or Optima Installation Manual. AMBIRAD is the registered Ambi-Rad Limited Fens Pool Avenue trademark of Ambi-Rad Limited.