Ambirad VSXUS Installation And Servicing Manual

Infra-red heaters

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Owner's manual (36 pages)

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Summary of Contents for Ambirad VSXUS

Page 1: Table Of Contents
& S SSEMBLY NSTALLATION ERVICING VSXUS ANUAL FOR NFRA EATERS INDEX Section Introduction and Document Index Installation Requirements ------------------------------------------------1 Assembly Instructions -----------------------------------------------------2 Start Up Instructions -------------------------------------------------------3 Servicing Instructions ------------------------------------------------------4 Spare Parts ------------------------------------------------------------------5 Troubleshooting Guide ---------------------------------------------------6 Replacing Parts -------------------------------------------------------------7 User and Operating Instructions ---------------------------------------8...
Page 2 Introduction. Welcome to the new range of high efficiency and servicing is undertaken on radiant tube AmbiRad VSXUS infra-red heaters. Local heaters specified in these instructions, due care regulations may vary and it is the installer’s and attention is required to ensure that working...
Page 3: Installation Requirements
Packing and Shipping Information The suggested mounting heights for AmbiRad See section 2 for assembly drawings. Material heaters are given in table 1 below. list with part numbers and descriptions for each part will accompany each shipment.
Page 4 Figure 1. Recommended Methods of Heater Suspension.
Page 5 The minimum clearances to combustible materials are given in the tables below. These minimum distances MUST be adhered to at all times. Figure 2 Diagram illustrating the clearance to combustibles C2 or C3 VSX models Table 2. Clearances to combustibles VSXUS VSXUS90 (ins) VSXUS140 (ins) Below Tubes To the Sides...
Page 6 Gas Connection and Supply Figure 3. Correct orientation of Ball Valve WARNING: Before installation, check that the local distribution conditions, nature of gas and pressure, and adjustment of the appliance are compatible. Gas Flow The gas connection on the heater is ½”N.P.T external thread.
Page 7 The electrical supply to the heater is by three for their siting and wires: live, neutral and ground connections. installation details. Install in accordance with all state & local codes. Figure 5. Typical VSXUS Wiring Connections Switch with Fuse Fan plugs into burner...
Page 8 Figure 6. Internal Burner Wiring Diagram. BROWN VACUUM SWITCH SOLENOID VALVE N.C. N.O. GREEN VALVE J.S.T. BURNER POWER INPUT GREEN WHITE WHITE BURNER POWER WHITE LAMPS BROWN BROWN PURPLE BLACK MAIN J.S.T. YELLOW GREY BROWN If any of the original wire as supplied with the appliance must be replaced, it must be replaced with wiring material having a temperature rating of at least 220°F/105°C Figure 7.
Page 9 Refer fig 8c accordance with ANSI Z223.1 (NFPA-54) and local codes. Recommended terminals are AmbiRad V0700 for 4” and V0800 for 6” vent. Flue and Combustion Air Inlet - Options Maximum length of vent is 25ft with 2 - 90° long radius elbows.
Page 10 Option 1 - Figure 8.a. Forced Burner with Heat Exchanger (Standard Flue) For flued products of combustion and no ducted air Products of combustion Inlet Firing tube Products of combustion If heaters are installed with no flue the ventilation instructions detailed in section 1.8 must be applied.
Page 11 Option 2 - Figure 8.b. Forced Burner with Heat Exchanger (No External Flue) For ducted air and products of combustion to ventilated area Fresh Products of combustion to ventilated area Firing tube Products of combustion Forced Burner if heaters are installed with no flue the ventilation instructions detailed in section Heat Exchanger 1.8 must be applied.
Page 12 Option 3 - Figure 8.c. Forced Burner with Heat Exchanger (with Concentric Flue) For flued products of combustion and ducted air via concentric pipe Products of combustion Fresh Air Inlet Fresh Products of combustion Firing Tube Products of combustion if heaters are installed with no flue the Concentric Flue Terminal ventilation instructions detailed in section 4ins Flexible to concentric flue...
Page 13: Assembly Instructions
1.10 Technical Details Table 4 - Technical Details. All heaters to run on Natural Gas (G20) No of Injectors ½” N.P.T nipple. Gas Connection 120 volt 1 phase 60Hz Electrical Supply 4” or 6” Vent size (in) 120 volt 1 phase 60Hz Unitary Fan Motor Details 1.2A MAX Current Rating...
Page 14 Identification check list COLOUR CODE VSX90 VSX140 COLOUR CODE VSX90 VSX140 Inner End Caps Burner Outer Heat Canopy Exchanger End Caps Tubes U Bend Inner Reflectors Turbulators Outer Couplers Canopy Full Nut Brackets Washer Mudwasher No.5 Torque Screw Washer M6 x 15 Full Nut Setpin M6 x 35...
Page 15 Prior to assembly • Ensure the area in which you are working is safe and clear of obstructions. • Identify with the components in the check list and in which order they will be assembled. • Arrange the trestles* in a straight line to allow for length of tubes. •...
Page 16 Working at the opposite ends of the tubes to the burner, locate & position two couplers so that the socket heads are facing outwards & the pre-fitted bolts in the couplers line up with the locating holes in the tubes. Do not fully tighten at this stage.
Page 17 Slide 2nd bracket to line up with innermost slotted hole in 1st reflector, & bolt together as in step 9. Bolt 1st & 2nd reflectors together using end elongated holes in each. Repeat this procedure referring to the assem- bly diagram for quantities used on specific mod- els, but noting that the final bracket is not bolted to the reflector.
Page 18 2.4.5 CANOPIES Remove protective film before starting. Slide the outer canopies over the reflectors from the U bend end ensuring correct location in re- flector profile. Line up burner end canopy flush with burner end reflector. Overlap canopies as shown in the assembly diagram. CAUTION —...
Page 19 Figure 9. VSXUS Heater Assembly 2.4.8 Detailed Assembly Drawings The following pages show the technical dimensional details of the VSXUS range of heaters. Please note the heater type, length and reference number from the delivery/advice note before identifying the correct model drawing.
Page 20 Figure 10. VSXUS Heater Breakdown (3 module VSXUS140 shown)
Page 21: Start Up Instructions
3. Start Up Instructions. These appliances should be commissioned by a qualified mechanical contractor. Tools Required. The following tools and equipment are advisable Suitable alternative tools may be used. to complete the tasks laid out in this manual. Large Adjustable Small Flat Leather Phillips...
Page 22 should attempt to relight and if the gas valve With the heater running normally, pull off the has been left off ‘lock-out’ should occur silicone rubber tube connecting the vacuum indicated by the ‘power on’ lamp being switch to the combustion chamber. Within 4 illuminated and fan running, but the ‘burner on’...
Page 23: 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. Servicing work should be carried out by a qualified me- chanical contractor.
Page 24 4.3 Burner Removal Step 1 Isolate power and gas supplies. Step 2 Unplug the power connectors. Step 5 Slacken the set screw 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 prevent the burner or components attached to the burner Step 3 Detach the gas supply as shown below,...
Page 25 replaced ensuring the 5 holes on the outer ring are aligned alongside the probes. Step 2 The gas injector can be inspected and replaced if contaminated or blocked. Step 3 The condition of the igniter assembly can be checked for deterioration. However, we When replacing the gas injector ensure advise replacement at each service to ensure approved thread sealant is used.
Page 26 4.6 Combustion Fan Assembly Step 1 If ducted air is fitted, slacken hose clamp and remove the flexible hose from the fan. Step 7 Ensure the impeller rotates freely. Step 8 Refit components. Step 2 Remove fan screws and unplug from 4.7 Radiant Tube Servicing burner box.
Page 27 If necessary the reflectors can be cleaned with a mild detergent. This can significantly improve the efficiency of the appliance. 4.10 Sweeping of Flue Inspect the fresh air inlet duct and vent to ensure they are free from any blockage or obstruction.
Page 28: 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 29: Troubleshooting Guide
6. Troubleshooting Guide. Ensure gas & electricity supplies are enabled. Check: 1. Ignition controller 2. Red neon faulty Does the RED Is there power neon on the burner? illuminate? Check: 1. Operation of any thermostat 2. Any external fuses 3. Correct voltage is selected Check: 1.
Page 30: Replacing Parts
7. Replacing Parts. 7.2 Air Pressure Switch Replacement Turn of gas any electrical supplies to the heater before starting repair work.. Step 1 Open left hand door. Disconnect the two silicone impulse tubes. 7.1 Burner Controller Replacement Step 1 Slacken screw in burner lid and open the right hand burner access door.
Page 31 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 the Servicing Sections. Step 2 Open the right hand access door and detach the burner controller from the wiring harness.
Page 32: User And Operating Instructions
8. User & Operating Instructions. AmbiRad is the manufacturer of a series of tubular infra-red heaters designed for overhead heating of industrial and commercial buildings. Individual heating units are suspended from the roof or mounted at an angle on the wall This appliance must only be installed by qualified craftsmen in accordance with the requirements of local and National Codes.

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Ambirad VSXUS Installation And Servicing Manual

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