Ambirad VISION VSO Operations Instructions

1 ASSEMBLY, INSTALLATION & SERVICING MANUAL FOR AMBIRAD VISION® VSO & VSXO RANGE OF RADIANT TUBE HEATERS INDEX Section Introduction and D

10 1.6 Clearance to Combustibles. The minimum clearances to combustible materials are given in the tables below. These minimum distances MUST

11 Figure 5.b Clearance to combustibles Vision Optima Unitary VSO UT FDABCDIM 'C'DIM 'C'DIM 'B'DIM 'C'VSO UT

12 Figure 5.c Clearance to combustibles Vision Optima Herringbone VSO UH FDABCDIM 'C'DIM 'C'DIM 'B'DIM 'C'VSO

13 to the heater not to apply excessive turning force to the internal controls. A flexible hose is installed to allow safe linear expansion of the he

14 Depending on the specific installation, the flexible gas hose may be routed to the gas cock at any of the following angles in relation to the bur

15 Figure 7.b Typical VSOUT Induced Unitary Wiring Connections (end covers not shown) Figure 7.e Typical VSXO Powered burner Wiring Connections (end c

16 MAIN J.S.T.YELLOWGREYWHITEFLAME SENSORIGNITER8791110 121324BLACKPINKWHITELAMPSONBURNERGREYYELLOWBLACKGRN/YELBROWNSOLENOID VALVESWITCHN.C.N.O.C.GREY

17 Figure 9. Typical VSO UH Schematic Wiring Connections 1.9 Ventilation Requirements AmbiRad tube heaters can be operat

18 1.10 Flue and Combustion Air Inlet - Options Dependent on the type of burner fitted to your heater it is possible to have configurations of flue

19 The maximum distance between supports is 1.5m for horizontal runs. Wall bands are not load bearing and give lateral support only. If used, wall ba

2

20 Option 1 - Figure 10a. Air Inlet Attachments Unitary Herringbone Burners (VSO) For non-flued installations, delete items A and B and rotate fan out

21 Option 2 - Figure 10b. Air Inlet Attachments Induced Herringbone Burners (VSO) A Induced Burner B Air Intake (supplied as standard) C Optional Du

22 Ventilation requirements are as detailed in section 1.9 Option 3 - Figure 10c. Forced Burner with Heat Exchanger (VSXO Standard Flue) For flued pr

23 Ventilation requirements are as detailed in section 1.9 Ducted air must be used in locations where there is airborne dust or where there is a po

24 Option 5 - Figure 10e. Forced Burner with Heat Exchanger (with Concentric Flue) E Forced Burner F Heat Exchanger G 100mm (4ins) Clips x2 H 100mm

25 1.11 Technical Details. Table 5. Burner Settings - Natural Gas (G20) Heater Model Heat Input kW Gas Flowrate (m³/hr) Injector Pressure (mbar) Inje

26 Heater Model Cold HB Pressure Hot HB Pressure mm H2O mbar mm H2O mbar VSO20UH 18.4 1.8 10.2 1.0 VSO25UH 25.5 2.5 17.3 1.7 VSO30UH 14.3 1.4 10

27 Heater Model Heat Input kW Flowrate (l/hr) Injector Pressure (mbar) Injector Size (mm) *Size (h x l x w) * Weight (Kg) Gross Nett VSO15UH 15.0 13

28 Heater Model Mass Flow Rate of Flue Gasses (kg/s) Flue Pressure (Pa) Maximum Flue Resistance Flue Gas Temp (°C) VSO15UT 0.0152 12.5 182 VSO20UT 0

29 2. Assembly Instructions. PLEASE READ this section prior to assembly to familiarise yourself with the components and tools you require at th

3 Introduction. Welcome to the new range of high efficiency AmbiRad Vision radiant tube heaters. Local regulations may vary in the country of use and

30 2.2.4 Couplers For fixing the U bend. Locate and position tube couplers (D) Slide the coupler over the components ensuring that the rivet s

31 1200 CRS. 1785 CRS. 2321785 CRS.1235 CRS.1795 CRS.1235 CRS. 1235 CRS. 1120 CRS. 1235 CRS. 1785 CRS.232232BURNERENDBURNERENDBURNERENDBABBBBBBBBBBB B

32 2.2.6 U Bend. Slide U bend (C) into the open end of the couplers ensuring the pre-fitted bolts engage in the precut holes. Tighten all four cl

33 BAREFLECTOR #2BABBAAREFLECTOR #1REFLECTOR #1REFLECTOR #3REFLECTOR #2REFLECTOR #1REFLECTOR #4REFLECTOR #2REFLECTOR #32019312019281200 OVERSHIELD1680

34 2.2.7.2 Inner Reflectors 2.2.7.2.1 Two Module units 1. Place inner reflectors (H) on the heater by sliding the reflectors between the tubes a

35 2.2.8 Insulation mats. Using the recommended safety equipment i.e. gloves, goggles and a face mask, cover the back of reflectors with the insulati

36 TWOMODULETHREEMODULEFOURMODULE114mm OVERLAP67mm OVERLAP77mm OVERLAP84mm OVERLAP77mm OVERLAP50mm OVERLAPWASHERREFLECTORWASHERREFLECTOR FIXINGDETAIL-

37 other and insert M8 self tapping screws provided. 6. Repeat the procedure for 3rd set of outer canopies. 2.2.9.3 Four Module Unit

38 *CANOPY FIXINGFOUR MODULE ONLYPOSITION EFOURMODULETHREEMODULESCRAP PLAN VIEWFROM ABOVE HEATER30mm OVERLAP30mm OVERLAP30mm OVERLAP90mm OVERLAP30mm O

39 2.2.10 End Caps Position the end cap with no tube holes (M) beneath the reflector profile at the U bend end making sure that the end cap e

4 1.1 Health and Safety AmbiRad heaters must be installed in accordance with the relevant provisions of the Gas Safety (Installation

40 2.2.15 Fixing of optional End Mouldings. If end mouldings (P) have been ordered (optional item) fit the end mouldings with the screws provided /

41 Fig. 15 Two Module drawings A B C G P J1 J2 D H J3 K L M N F1 E1 E2 E3 F2 H Reflectors J1 Overshields J2 Expansion Plate J3 Cross Member K Insulati

42 Ref Description A Radiant Tubes B Suspension Brackets C Return Bend D Couplers E1 Heat Exchanger (VXSO) E2 Fan (unitary heaters) E3 Damper (Herrin

43 Ref Description A Radiant Tubes B Suspension Brackets C Return Bend D Couplers E1 Heat Exchanger (VXSO) E2 Fan (unitary heaters) E3 Damper (Herrin

44 3.2 Balancing The Herringbone System Important. When all the heaters have been installed the vacuum settings must be finally balanced in the hot

45 Slacken screw in burner lid and open the right hand burner access door. The two vacuum impulse hoses are in view. Both hoses are fitted with ‘T’ p

46 Check installation has been carried out to these instructions. NO YES Ensure gas and electricity supplies are isolated. Disconnect gas hose from bu

47 Small Flat Head Screwdriver 4. Servicing Instructions. These appliances should be serviced annually by a competent person to ensure safe and effic

48 4.3 Burner Removal (All Options) Step 1 Isolate mains electric and gas supplies. Step 2 Detach the gas supply as shown below, taking care to

49 Step 3 On forced burners with ducted air attachment, slacken jubilee clip and remove flexible hose from the fan. Step 4 Slacken both grub scr

5 Figure 1.b. Recommended Methods of Heater Suspension. Where chain supports have an angle of inclination greater than 15° an equal and opposite suppo

50 Step 2 The pepper pot burner head can be replaced ensuring the 5 holes on the outer ring are aligned alongside the probes. Step 3 The condition of

51 Step 4 Inspect the impeller and remove any dust with a soft brush. Step 5 Remove any dust from fan scroll and from around the motor. Step 6 Ensure

52 Step 4 Withdraw the turbulators from the appliance. Carefully noting their condition and position. Replace turbulators if necessary. Step 5

53 Required Spares (refer to section 4.2) In order to aid troubleshooting and servicing we recommend that the components shown in this section should

54 6. Fault Finding Guide. Check: 1. Integrity of spark leads 2. Integrity of electrode assembly & spark gap 3. Burner controller Ensure gas &

55 7. Replacing Parts. 7.1.1 Burner Controller Replacement (VSXO) Step 1 Slacken screw in burner lid and open the right hand burner access door. Ste

56 7.2 Air Pressure Switch Replacement Step 1 Disconnect the two silicone impulse tubes and three wiring connections making note of replacement posit

57 Step 7 Remove the four screws holding the rear burner plate in position plus the two screws from the gas valve flange. Step 8 Remove the rear plat

58 Notes

59 Notes

6 1.5 Herringbone Systems (VSOUH). The manifold system should be arranged to fall slightly in the direction of the vacuum fan. This ensures that any

60 8.1 To Start the Heater 1. Ensure gas supply is turned on. 2. Electrical supply to the controls is on. 3. Ensure that the controls are correctl

7 For details of fan mounting bracket and fixing down holes see figure 3. Figure 2e. Conventional Flue Arrangement Roof Exit. Figure 2f. Conventional

8 Fig 2c/d Figure 3. Vacuum Fan Mounting Details (Type ‘O’ fan illustrated) Hole Centers Hole Centers Fan Type O Type 2 A 124 80 B 38 35 C 175

9 Figure 4. Typical Herringbone system (VSO shown with optional end covers) Dos Don’ts Check for corrosive industrial process in proposed