Ambirad Vision VS Installation & Servicing Manual
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Ambirad Vision VS Installation & Servicing Manual

Radiant tube heaters
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A
SSEMBLY
M
ANUAL FOR
R
ANGE OF
INDEX
Introduction and Document Index
Installation Requirements -------------------------------------------------1
Assembly Instructions------------------------------------------------------2
Commissioning Instructions ----------------------------------------------3
Servicing Instructions ------------------------------------------------------4
Spare Parts -------------------------------------------------------------------5
Fault Finding Guide --------------------------------------------------------6
Replacing Parts -------------------------------------------------------------7
User and Operating Instructions ----------------------------------------8
WARNINGS
AmbiRad equipment must be installed and maintained in accordance with the relevant
provisions of the Gas Safety (Installations and Use) Regulations 1998 for gas fired products.
Due account should also be taken of any obligations arising from the Health and Safety at
Works Act 1974 or relevant codes of practice. In addition the installation must be carried out
in accordance with the current IEE wiring regulations (BS 7671), BS 6896:2005 (Industrial &
Commercial) and any other relevant British Standards and Codes of Practice by a qualified
installer. All external wiring MUST comply with the current IEE wiring regulations.
, I
NSTALLATION
A
MBI
R
ADIANT
& S
R
V
AD
ISION
T
H
UBE
ERVICING
VS
®
EATERS
Section

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Summary of Contents for Ambirad Vision VS

  • Page 1 User and Operating Instructions ----------------------------------------8 WARNINGS AmbiRad equipment must be installed and maintained in accordance with the relevant provisions of the Gas Safety (Installations and Use) Regulations 1998 for gas fired products. Due account should also be taken of any obligations arising from the Health and Safety at Works Act 1974 or relevant codes of practice.

  • Page 2: Installation Requirements

    Introduction. Welcome to the new range of high efficiency at height regulations are adhered to at the AmbiRad Vision radiant tube heaters. Local mounting heights specified. regulations may vary in the country of use and it is the installers responsibility to ensure that...
  • Page 3 Consultant, VSUT = AmbiRad Vision U Tube heater with Architect or owner of the building. The painted induced burner, stainless steel reflector recommended mounting heights for AmbiRad &...
  • Page 4 Figure 3.b. Recommended Methods of Heater Suspension.
  • Page 5 150mm diameter. The end cap should be sealed with silicon jointing compound and pop riveted in position. Flexible couplers (supplied by AmbiRad) must All condensate drains from the flue collecting be inserted within the manifold system to allow chamber...
  • Page 6 Through The Wall Arrangement (available for Type ‘O’ and Type ‘2’ fans) Where a conventional flue is to be installed, Figure 4e. Conventional Flue Arrangement AmbiRad supply an aluminium transformation Roof Exit. piece to which a 150mm (6ins) diameter flue must be attached.
  • Page 7 Figure 5. Vacuum fan mounting details (Type ‘O’ fan illustrated) Fig 4c/d Hole Centers Hole Centers Type O Type 2 Power (watts) Running Current (amps) Voltage 230V 1ph 230V 1ph...
  • Page 8 Install system with extra 90° bends without asking proposed building - e.g. cleaning, electroplating, AmbiRad if the system will operate correctly. printers using sugar powder etc. Drain all flue ducts and seal all joints. Install flue with vertical rise without firstly fitting a drain point at it’s lowest level.
  • Page 9 Clearance to Combustibles. The minimum clearances to combustible materials are given in the tables below. These minimum distances MUST be adhered to at all times. Figure 7.a Diagram illustrating the clearance to combustibles (U tube shown) A/A1 VSUT / VSAUT 15/20 25/30 35/40...
  • Page 10 Figure 7.b Diagram illustrating the clearance to combustibles (VSLF shown) A/A1 G/G1 VS(A)LI; VS(A)LF; VS(A)LH; VS(A)DL 15/20 25/30 35/40 45/50 Above Reflector (VSLI/LF/LH/DL NG ONLY) Above Reflector (VSALI/LF/LH/DL NG and ALL LPG ONLY) Above Burner To the Sides Below Tubes 1500 1700 2100...
  • Page 11 AmbiRad and must only be carried out by a qualified/competent gas Take care when making a gas connection engineer.
  • Page 12 The electrical connection to the heater is made by means of a three pin plug-in power We recommend use of AmbiRad approved connector. Live, neutral and earth connections controls. Please refer to control manual for should be made via a flexible supply cable to siting and installation details.
  • Page 13 Figure 9.c Typical VSLI/VSALI Wiring Connections Fused Spur Fan plugs into burner via plug/socket supplied. Extension wiring by others Figure 9.d Typical VSDL Wiring Connections Fused Spur Fused Spur Fused Spur Figure 10. Internal Burner Wiring Diagram. IGNITOR EMC FILTER FLAME SENSOR GRN/YEL MAINS...
  • Page 14 Mains Supply vents to provide adequate ventilation, an 1.9 Ventilation Requirements example of this calculation is given below: AmbiRad tube heaters can be operated as Site Details: flued or unflued appliances in accordance with 20°c Internal Operating Temperature the relevant national requirements in the 0°c Outside Air Temperature...
  • Page 15 Figure 12. Flue Attachment Induced Burners (VSUT or VSAUT) For non-flued installations, delete items A and B and rotate fan outlet to the HORIZONTAL position away from the burner. Ducted Air Intake Products of Combustion Firing tube Products of combustion A 127mm (5ins) Twin Wall Flue System Ventilation requirements are as detailed B Fan Adaptor 7177-SUB (2501/2507 fan)
  • Page 16 Figure 13. End Attachments Forced Burners (VSLF or VSALF) Products of Combustion For unflued installation, fit standard terminal supplied using grub screw provided Flued Installation Firing tube 127mm (5ins) Twin Wall Flue System Ventilation requirements are as detailed in Tube to Flue Adaptor 75mm 201881 section 1.9 100mm 201882 Flue Bend 7166...

  • Page 17: Technical Details

    1.11 Technical Details. Tables 5a/b/c/d & e - Natural Gas (G20) No of Injectors Gas Connection ½ in BSP Internal thread Flue Nominal Bore mm (in) 125 (5) Unitary Fan Motor Details 230 volt 1 phase 50Hz Injector Injector Heat Input kW Heater Size Weight...
  • Page 18 Injector Injector Heat Input kW Heater Flowrate Pressure Size Size Weight Rating Model Gross Nett (m³/hr) (mbar) (mm) (h x l x w) (Kg) Type VS(A)15LI8 15.0 13.5 10.7 390x7917x315 2501 VS(A)20LI7 19.5 17.6 10.8 390x6907x315 2501 VS(A)20LI10-5 19.5 17.6 10.8 1.5 390x10537x315 2501...
  • Page 19 Injector Injector Heat Input kW Heater Size Weight Flowrate Pressure Size Model (h x l x w) (Kg) Gross Nett (m³/hr) (mbar) (mm) VS(A)15UH4 15.8 14.2 11.1 260x2219x670 VS(A)15UH 15.0 13.5 10.7 240x3417x500 VS(A)20UH 19.5 17.6 10.8 240x4142x500 VS(A)25UH 23.5 21.2 240x5066x500 VS(A)30UH...
  • Page 20 Injector Injector Heat Input kW Heater Flowrate Pressure Size Size Weight Rating Model Gross Nett (l/hr) (mbar) (mm) (h x l x w) (Kg) Type VS(A)15LI6 15.2 13.7 2.16 23.7 390x5879x315 2501 VS(A)15LI8 15.2 13.7 2.16 23.7 390x7917x315 2501 VS(A)20LI7 19.2 17.3 2.73...
  • Page 21 Table 7. Flue details - Natural Gas Flue Pressure (Pa) Mass Flow Rate of Flue Heater Model Maximum Flue Flue Gas Temp (°C) Gasses (kg/s) Resistance VS(A)15UT4 0.0110 VS(A)15UT 0.0115 VS(A)20UT 0.0117 VS(A)25UT 0.0139 VS(A)30UT 0.0171 15 - 31 200 - 250 VS(A)35UT 0.0193 VS(A)40UT...
  • Page 22 Table 8. Flue details - Propane Flue Pressure (Pa) Mass Flow Rate of Flue Heater Model Maximum Flue Flue Gas Temp (°C) Gasses (kg/s) Resistance VS(A)15UT 0.0119 VS(A)20UT 0.0132 VS(A)25UT 0.0147 VS(A)30UT 0.0154 15 - 31 190 - 240 VS(A)35UT 0.0264 VS(A)40UT 0.0281...
  • Page 23 Table 9. Herringbone Vacuum Fan characteristics Fan type Type ‘O’ Type ‘2’ Power (W) Running current (overload setting) Phase Single Single Voltage Table 10. Herringbone & DL Settings- Natural Gas (G20) Cold HB Pressure Hot HB Pressure Model mm H mbar mm H mbar...
  • Page 24 Table 11. Herringbone & DL Settings- Propane Gas (G31) Cold HB Pressure Hot HB Pressure Model mm H mbar mm H mbar VS(A)15UH 21.4 16.3 VS(A)20UH 21.4 16.3 VS(A)25UH 24.5 21.4 VS(A)30UH 26.5 17.3 VS(A)35UH 35.7 21.4 VS(A)40UH 38.7 23.5 VS(A)45UH 37.7 23.5...

  • Page 25: Assembly Instructions

    2. Assembly Instructions. PLEASE READ this section prior to Please ensure that all packaging is assembly to familiarise yourself with the disposed of in a safe environmentally components and tools you require at the friendly way. various stages of assembly. Carefully open the packaging and check the contents against the For your own safety we recommend the parts and check list.
  • Page 26 2.2.6 Reflectors. After removing the protective plastic coating, slip the reflector through the brackets until the 2.2.3.1 Tube alignment sections locating slots are aligned with the type A bracket fixing points. For VS(A)50UT Angle Mounted Installations ONLY. To allow for differential expansion of the Slide the next reflector through the brackets and tubes, a tube alignment assembly is fitted to the overlap the existing reflector until the locating...
  • Page 27 end of the tube ensuring it is fully engaged. M5 set pin Secure with grub screws. Note: The damper assembly must be located with its damper blade End Cap vertical and left in the closed position. The manifold tube is to be sealed and secured (as described below) to the damper assembly.
  • Page 28 Enter the fitting into the tube using a slight rotating movement to spread the jointing compound uniformly until a penetration of 75mm (3in) is achieved. Note The silicon jointing compound remains workable after application for only 5 minutes. Secure the joint by drilling through the tube and fitting and fix with three pop rivets at 12 o’clock, 4 o’clock and 8 o’clock positions.
  • Page 29 Figure 14. Vision Heater Assembly: Models VS/VSA U tube Nat Gas 15kW. 100mm (4ins) Nominal Dia...
  • Page 30 Figure 15. Vision Heater Assembly: Models VS/VSA U tube 15kW.
  • Page 31 Figure 16. Vision Heater Assembly: Models VS/VSA U tube 20kW.
  • Page 32 Figure 17. Vision Heater Assembly: Models VS/VSA U tube 25kW.
  • Page 33 Figure 18. Vision Heater Assembly: Models VS/VSA U tube 30kW.
  • Page 34 Figure 19. Vision Heater Assembly: Models VS/VSA U tube 35/40kW.
  • Page 35 Figure 20. Vision Heater Assembly: Models VS/VSA U tube 45/50kW.
  • Page 36 Figure 21. Vision Heater Assembly: Models VSLF/VSDL/VSLHB 15kW 6m - 75mm (3ins) Nom Dia.
  • Page 37 Figure 22. Vision Heater Assembly: Models VSLF/VSDL/VSLHB 20kW 7m - 75mm (3ins) Nom Dia.
  • Page 38 Figure 23. Vision Heater Assembly: Models VSLF/VSDL/VSLHB 15/25kW 8m - 75mm (3ins) Nom Dia.
  • Page 39 Figure 24. Vision Heater Assembly: Models VSLF/VSDL/VSLHB 20/25/30kW 10.5m - 75mm (3ins) Nom Dia.
  • Page 40 Figure 25. Vision Heater Assembly: Models VSLF/VSDL/VSLHB 30kW 12.5m - 75mm (3ins) Nom Dia.
  • Page 41 Figure 26. Vision Heater Assembly: Models VSLF/VSDL/VSLHB 35kW - 10.5m - 100mm (4ins) Nom Dia.
  • Page 42 Figure 27. Vision Heater Assembly: Models VSLF/VSDL/VSLHB 35/40/45/50kW - 13.5m - 100mm (4ins) Nom Dia.
  • Page 43 Figure 28. Vision Heater Assembly: Models VSLF/VSDL/VSLHB 35/40/45/50kW - 16m - 100mm (4ins) Nom Dia...
  • Page 44 3. Commissioning Instructions. These appliances should be commissioned by a qualified engineer. Tools Required. following tools equipment Suitable alternative tools may be used. advisable to complete the tasks laid out in this manual. Large Adjustable Small Flat Leather Pozidrive Spanners or 22, 26 & Head Faced Screwdriver...
  • Page 45 Commissioning chart for VS series unitary heaters Check installation has Ensure gas and electricity Disconnect gas hose from been carried out to these supplies are isolated. burner instructions. Remove burner from tube and inspect burner head. (See servicing instructions) Reconnect gas hose. Open control housing and Replace burner on tube Open isolating valve.

  • Page 46: Servicing Instructions

    4. Servicing Instructions. These appliances should be serviced annually by a competent person to ensure safe and efficient operation. In exceptional dusty or polluted conditions more frequent servicing may be required. The manufacturer offers a maintenance service. Details available on request Tools Required.
  • Page 47 Figure 32. Forced Gas Burner: Model VSLF Please refer to spares for burner components Ignitor Assembly Gas Valve Multi Hole Injector 2501 or 2507 Fan Neon's (Red/Amber) Fan Inlet Spigot Ignition Controller Fan Orifice plate Extruded Burner Head Fan Mount Plate and Support Pepperpot Head Gasket Set Pressure Switch...
  • Page 48 Step 3 On forced burners with ducted air the ignition lead assembly and removing the attachment slacken jubilee clip and remove the pressure switch silicon tube. flexible hose from the fan. Step 3 The gas injector can be inspected and Step 4 Slacken the grub screw on the burner replaced if contaminated or blocked.
  • Page 49 Step 2 The pepper pot burner head can be 4.6 Combustion Fan Assembly Induced replaced ensuring the 5 holes on the outer ring Burner (Model VSLI/VSALI) are aligned alongside the probes. Step 1 Loosen the clamp fitting on the flue Step 3 The condition of the ignitor assembly can be checked for deterioration.
  • Page 50 Step 4 Remove the fan orifice plate spinning. Step 2 Remove fan spigot fixings. Step 5 Inspect the impeller and remove any Step 3 The combustion fan can now be dust with a soft brush. detached. Step 6 Remove any dust from fan scroll and from around the motor.
  • Page 51 4.8 Radiant Tube Servicing Step 6 If required the interior of the tubes can then be cleaned using an industrial vacuum Step 1 Brush any dust from the exterior of the cleaner or by using long poles and a scraper. tubes.

  • Page 52: Spare Parts

    5. Spare Parts. Required Spares Note Any spare part components that are not approved by AmbiRad could invalidate In order to aid troubleshooting and servicing we the approval of the appliance and validity of the recommend that the components shown in this warranty.
  • Page 53 1. Burner controller If the heater still fails to valve open? 2. Replace gas valve operate normally, please contact the AmbiRad service department. Check: 1. Burner inlet pressure 2. Burner nozzle pressure 3. Check live & neutral polarity 4. Check presence of good earth...

  • Page 54: Replacing Parts

    7. Replacing Parts. 7.1 Burner Controller Replacement 7.2 Air Pressure Switch Replacement Step 1 Slacken screw in burner lid and open the Step 1 Disconnect the two silicone impulse right hand burner access door. tubes. Step 2 Disconnect burner controller from the wiring harness.
  • Page 55 7.3 Gas Valve Replacement Step 6 Detach the two screws holding the front of the gas valve. Step 1 Remove the burner assembly as described in section 4.3 Servicing. Step 2 Open the right hand access door and detach the burner controller from the wiring harness.
  • Page 56 Brierley Hill West Midlands DY5 1QA United Kingdom. Telephone 01384 489700 Facsimile 01384 489707 Email info@ambirad.co.uk Website www.ambirad.co.uk AmbiRad is a registered trademark of AmbiRad Limited. Because of continuous product Technical Support www.s-i-d.co.uk innovation, AmbiRad reserve the right to change product specification without due notice...

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