Ambirad VISION VT Series, Installation And Operation Manual

Page 1: ...Pool Avenue Brierley Hill West Midlands DY5 1QA WARNINGS Nortek Global HVAC UK Ltd equipment must be installed and maintained in accordance with the relevant provisions of the Gas Safety Installations...

Page 2: ...4 10 Re commissioning after Service 5 Spare Parts 6 Fault Finding Guide 7 Replacing Parts 7 1 Burner Controller Replacement 7 2 Air Pressure Switch Replacement 7 3 Gas Valve Replacement 8 User and Op...

Page 3: ...heater support lugs should be made by a speed link D shackle or in the case of drop rods a closed formed hook The hanging attachments to over head steelwork etc must be purpose made to good sound eng...

Page 4: ...Pin must be tightened by pliers Drop rod with formed hook note hook or eyebolt must be closed tight 15 max ON U TUBE VARIANTS THE HEATER SHOULD SLOPE DOWNWARDS TOWARDS THE RETURN BEND AND ON LINEAR V...

Page 5: ...e tables below These minimum distances MUST be adhered to at all times Figure 2 a Diagram illustrating the clearance to combustibles VTUT VTAUT VTCUT 25 Above Reflector A 180 Above Burner Heater Outle...

Page 6: ...Above Burner B 500 To the Sides C 750 Below Tubes D 1700 Horizontally from Heater Outlet UNFLUED E 1200 End Wall F 500 Above Heater Outlet FLUED G 150 Above Heater Outlet UNFLUED G1 500 Figure 2 b Di...

Page 7: ...on in between these angles is acceptable A clearance distance x of min 200mm must be observed to allow side door access Care must be taken to observe the minimum pipe bend diameter minimum 250mm maxim...

Page 8: ...Live Black Live It is recommended the heater or group of heaters are controlled by thermostats a time switch and if required manual control switches and a frost thermostat We recommend use of AmbiRad...

Page 9: ...9 2 1 Pressure Switch Power ON red BR BL R GR Y GR N L 230V AC SUPPLY F1 N F2 HIGH FIRE TERMINAL 21 14 24 11 A2 12 22 A1 High Fire Relay COIL NC 230V AC FAN TERMINALS 2 1 N L H N L BK 3 EMC FILTER Lo...

Page 10: ...Mulitizone NEUT LIVE HEAT 2 OUTPUT HEAT 1 OUTPUT LIVE NEUTRAL IMPORTANT Add this link wire 1 L 2 N 10 S R0S R1D0 D1 41 40 7 8 9 25 14 5 6 NOTES BLACK BULB SENSOR may be placed at a max distance of 10...

Page 11: ...1 41 40 7 8 9 25 14 5 6 NOTES BLACK BULB SENSOR may be placed at a max distance of 100m from the control unit using screened 0 75mm cable Wiring should be kept separate from mains wiring to minimise n...

Page 12: ...W free area 1 8 2 Flued Radiant Heater In buildings having an air change rate of less than 0 5 per hour additional mechanical or natural ventilation is required For detailed information please see BS6...

Page 13: ...hould be adequately supported from the building structure and installed in accordance with the British Standard Code of Practice BS 5440 Part 1 Installation and maintenance of flues and ventilation fo...

Page 14: ...flued x500 60 VT A C 25LI8 390x7867 unflued x315 53 VT A C 25LI10 5 390x10467 unflued x315 72 Table 4 Natural Gas G20 Heat Input kW Gas Flowrate l hr Injector Pressure mbar Injector Size mm Gross Nett...

Page 15: ...bends 2 Maximum flue run 9 5m 125mm Maximum no of bends 2 All flues must terminate vertically For further information on flue runs please refer to section 1 10 1 and BS 5440 pt 1 A 127mm 5ins Twin Wa...

Page 16: ...plied using grub screw provided Figure 7b E A Standard end terminal unflued 201866 SUB B Tube to Flue Coupler 75mm 201813 C Flue Bend 202662 D Two Stage Burner A 127mm 5ins Twin Wall Flue System B Tub...

Page 17: ...ng the correct length and quantity are inserted into their respective correctly identified tube as detailed in the assembly drawings PLEASE READ this section prior to assembly to familiarise yourself...

Page 18: ...or joining radiant tubes locate and position tube couplers at the end of the tube so that the socket heads are facing outwards Tighten clamping bolt arrangement to secure ensuring the bolts are not ov...

Page 19: ...dvice note before identifying the correct model drawing 2 2 8 Burner Assembly On VTUT only slide the burner assembly onto the RIGHT HAND TUBE when viewed from above ensuring it is fully engaged Secure...

Page 20: ...Doc No 700025 Page 20 of 32 Figure 7 Vision Heater Assembly Models VTUT VTAUT VTCUT U tube 25kW FIGURE 1 FIGURE 1 M6 FIGURE 2 FIGURE 3 SEE FIGURE 1 SEE FIGURE 2 VT25UT 5180 25 35 1935 2293 225...

Page 21: ...32 Figure 8 Vision Heater Assembly Models VTLF VTALF VTCLF 25kW 8m 75mm 3ins Nom Dia IMPORTANT ENSURE FIRST REFLECTOR OVERLAPS SECOND REFLECTOR SECOND REFLECTOR OVERLAPS THIRD FIGURE 1 FIGURE 2 V T 2...

Page 22: ...gure 9 Vision Heater Assembly Models VTLF VTALF VTCLF 25kW 10 5m 75mm 3ins Nom Dia IMPORTANT ENSURE FIRST REFLECTOR OVERLAPS SECOND REFLECTOR SECOND REFLECTOR OVERLAPS THIRD FIGURE 1 FIGURE 2 V T 2 5...

Page 23: ...rner on tube and secure Open control housing and check that all components are securely fastened Reconnect gas hose Open isolating valve Check soundness A successful ignition is indicated by the amber...

Page 24: ...er 4 1 Tools Required The following tools and equipment are advisable to complete the tasks laid out in this manual Suitable alternative tools may be used Large Adjustable Spanners or 22 26 27mm Spann...

Page 25: ...the burner bracket Slacken the set screws on the burner support casting to enable the burner to be removed from the radiant tube Step 6 Remove the burner and position the burner in a safe area to pre...

Page 26: ...any dust with a soft brush Step 6 Remove any dust from fan scroll and from around the motor Step 7 Ensure the impeller rotates freely Step 8 Refit components 4 6 Burner Head and Electrode Servicing S...

Page 27: ...7 Refit components Step 4 Withdraw the turbulators from the appliance Carefully noting their condition and position Replace turbulators if necessary Step 5 The turbulators should be cleaned with a so...

Page 28: ...ropane Item 201284 Ignitor Assembly Part No Description 200988 Pepperpot Head Item 2175 Amber Neon Hi and Lo fire 2180 Red Neon Power On 200420 Jet Carrier 202490 Combustion Fan 201488 2 Gasket Set 90...

Page 29: ...the vacuum switch pull in Check 1 Wiring harness plugs 2 Vacuum switch operation 3 Replace fan Is the burner sparking Does the gas valve open Check 1 Burner controller 2 Replace gas valve Check 1 Vac...

Page 30: ...e HT Lead from burner controller Step 4 Disconnect burner controller from the wiring harness Step 5 Fit new burner controller Step 6 Refit HT leads and refit burner controller to wiring harness Step 7...

Page 31: ...Step 3 The burner head can now be detached by disconnecting the impulse tube and the burner head wiring Step 4 Detach the four screws securing the front of the gas valve Step 5 Remove the four screws...

Page 32: ...and the electrical supplies are turned off 8 3 Routine Maintenance between Service Intervals After ensuring that the heater is cold and mains electricity isolated cleaning of the reflectors with a sof...