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Ambirad Vision Series Installation Operation & Maintenance
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Ambirad Vision Series Installation Operation & Maintenance

Gas-fired, tubular, radiant, low-intensity infrared heater
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Doc No 700111 (06-15), Page
INSTALLATION / OPERATION / MAINTENANCE
Model VCLUS/VCLUS HL 120V 60Hz
Applies to:
WARNING: Improper installation, adjustment,
alteration, service or maintenance can cause
property damage, injury or death. Read the installation,
operating and maintenance instructions thoroughly
before installing or servicing this equipment.
Part No. 700111
Gas-Fired, Tubular, Radiant,
Low-Intensity Infrared Heater
Vision Range
VCLUS / VCLUS HL OWNERS MANUAL

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Summary of Contents for Ambirad Vision Series

  • Page 1 INSTALLATION / OPERATION / MAINTENANCE Model VCLUS/VCLUS HL 120V 60Hz Applies to: Gas-Fired, Tubular, Radiant, Low-Intensity Infrared Heater Vision Range VCLUS / VCLUS HL OWNERS MANUAL WARNING: Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death. Read the installation, operating and maintenance instructions thoroughly before installing or servicing this equipment.

  • Page 2: Installation Requirements

    Introduction. Welcome to the new range of powered Harsh and servicing is undertaken on radiant tube Environment infrared heaters. Local regulations heaters specified in these instructions, due care may vary and it is the installer’s responsibility to and attention is required to ensure that working ensure that such regulations are satisfied.
  • Page 3 Aircraft Hangars, ANSI/NFPA 409 and in made shackle. hanging automotive garages when installed attachments to overhead steelwork etc. have to accordance with the Standard for Parking be designed and produced in accordance with sound engineering practices. They must be Structures, ANSI/NFPA 88A, Standard for Repair Garages, ANSI/NFPA...

  • Page 4: Clearance To Combustibles

    ON VENTED HEATERS, THE HEATER SHOULD SLOPE DOWNWARDS AWAY FROM THE BURNER AND ON UNVENTED HEATERS SHOULD SLOPE DOWNWARDS TOWARDS BURNER BY APPROX. ½” FOR HORIZONTAL INSTALLATIONS AS SHOWN BELOW (DIAGRAMS EXAGGERATED FOR CLARITY) 1/2” 1/2” VENTED UNVENTED Clearance to Combustibles. Minimum clearance to combustibles are shown in Table 1 below.
  • Page 5 Figure 2 Clearance to Combustibles (Standard indoor reflectors).. The minimum clearances to combustible materials are given in Table 1 These minimum distances MUST be adhered to at all times. Adequate clearance MUST be provided around air openings into the combustion chamber and there MUST be suitable clearance for accessibility and for combustion / ventilating air supplies.
  • Page 6 Figure 3. Correct orientation of Ball Valve Gas Connection and Supply 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 internal thread.

  • Page 7: Electrical Connections

    CONNECTOR MUST BE INSTALLED IN A “U” CONFIGURATION. FOR HEATERS UP TO 150,000 BTU/H, A 24” LONG CONNECTOR OF AT LEAST ½” ID MUST BE USED. FOR HEATERS ABOVE 150,000 BTU/H, A 36” LONG CONNECTOR OF AT LEAST ¾” NOMINAL ID MUST BE USED. Table 3 Gas Supply Pressures Gas Type Natural Gas...

  • Page 8: Supply Circuit

    Figure 5b. Single and Multiple Heater Installations 120V Control (VCS) 120V 60Hz 1 Ph Supply circuit L1 (HOT) 120V Thermostat 110V Thermostat Burner 1 Other burners KEY: G-GREEN other burners W-WHITE BK-BLACK Burner If heaters are wired using the method shown above, a link wire must be Link fitted to the burner terminals as shown in...
  • Page 9 Figure 6a. Internal Burner Wiring Diagram. (VCLUS) Optional 24V single stage Thermostat 24V Stat 120V AC Fan 120V AC Terminals Terminals Supply KEY: BL - BLUE BK - BLACK BR - BROWN GR - GREY G - GREEN W - WHITE Y - YELLOW O - ORANGE P - PURPLE...
  • Page 10 Figure 6b. Internal Burner Wiring Diagram. (VCLUS HL) 24V Two stage Thermostat 24V AC Stat 120V AC Fan 120V AC KEY: Terminals Terminals Supply BL - BLUE BK - BLACK BR - BROWN GR - GREY G - GREEN K - PINK R - RED W - WHITE Y - YELLOW...
  • Page 11 The external two stage thermostat is connected 1.5.1 Multiple burner configurations (Master to the Master burner and powered via the inbuilt & Slave) via Optional Relay (VCLUSHL). transformer. The total burner load for the Master Refer to figure 6c and 6e. is 20VA.
  • Page 12 Figure 6e. Internal Slave Burner Wiring/External Schematic Diagram with Optional Relay. (VCLUS HL) OPTIONAL RELAY WIRING COIL 24V AC RELAY 24V Two stage Thermostat Relay mini harness leads 24V AC Stat 120V AC Fan 120V AC KEY: Terminals Terminals Supply BL - BLUE BK - BLACK BR - BROWN...
  • Page 13 24” (609mm) from any combustible overhang. 1.6 Vent Requirements and Details This protects building material from degradation by the vent gases. 1.6.1 Unvented units Vent joints should be sealed and secured Heaters may be installed unvented providing according vent manufacturers the governing building codes are met and instructions.
  • Page 14 Figure 7.a Vertical Venting. Approved Vent Cap Figure 7.b Horizontal Venting (plan view shown). Approved Vent Cap Note The vent terminal should be installed so as to be in the same atmospheric pressure zone as the combustion air inlet of the appliance. Note the vent terminal must NOT be installed below the fresh air Approved clearance thimble is required when the flue pipe...

  • Page 15: Technical Details

    Technical Details - Table 5a (VCLUS) No of Injectors ½” N.P.T Gas Connection 120 volt 1 phase 60Hz Electrical Supply 4” or 6” (101mm or 152mm) Vent size (in) 120 volt 1 phase 60Hz Unitary Fan Motor Details 1.8A MAX (models 40 - 150); 1.0A MAX (models 170 & 200) Current Rating Electronic Program Start up with Spark Ignition Ignition...
  • Page 16 USA & CANADA LP Gas 0- 2000 ft (0-610m) above sea level Size 201063-75 201063-74 201063-72 201063-56 201063-55 201063-54 201063-68 Burner Orifice Plate Part No. 201571 201358 201571 201854 201905 Flame Plate Part No. 201957 202132 Fan Part No. 202483 202253 L200301 L200264 L200244 L200246 202352...
  • Page 17 Technical Details - Table 5b (VCLUS HL) No of Injectors ½” N.P.T Gas Connection 120 volt 1 phase 60Hz Electrical Supply 4” or 6” (101mm or 152mm) Vent size (in) 120 volt 1 phase 60Hz Unitary Fan Motor Details 1.8A MAX (models 40 - 150); 1.0A MAX (models 170 & 200) Current Rating Electronic Program Start up with Spark Ignition Ignition...
  • Page 18 Technical Details continued USA & CANADA Natural Gas 0- 2000 ft (0-610m) above sea level Size 201063-24 201063-57 201063-77 201063-67 201063-23 201063-26 201063-78 Burner Orifice Plate Part No. Flame Plate Part No. 201957 202132 Fan Part No. 202483 201654 L200301 201425 L200244 202133 201911 Fan Orifice Part No.
  • Page 19 2. Assembly Instructions. PLEASE READ this section prior to Please ensure that all packaging is assembly to familiarize 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 20 2.2.2.2 Where a heater configuration requires more than three turbulator strips and has the exhaust heat exchanger tube adjacent to an “L” or “U” heat exchanger tube, refer to the diagram below for positions. Slide the connected sections into the emitter specific configurations detailed...
  • Page 21 Moving between the two screws, tighten each 2.2.3.2 Reflector Support Brackets one in turn ensuring that equal pressure is applied to both. Complete assembly by drilling Reflectors are positioned above the emitter and screwing self tapping retention zip screws. tube with a reflector support bracket part #L201008-SUB-SS RADIANT TUBE...
  • Page 22 These overlapped reflectors are allowed to 2.2.5 Reflectors. ‘float’ within the support bracket by leaving a reflectors must positioned/ minimum of 1/8” gap of the fixing screws before attached to the brackets exactly as tightening the locknuts. detailed in the assembly drawings. These are known as ‘slip’...
  • Page 23 Note: high wind applications additional drill screws to secure end cap to the reflector 2.2.7 Bend(s) (where fitted) The heater can be installed with 1 or 2 90° bends or a 180° U bend. Slide the bend into the open end of the Connect Electrical supplies...
  • Page 24 2.2.8.1 Model 200 S50 fan orifice plate 2.2.10 Detailed Assembly Drawings This model has a different fan orifice plate (Part following pages show technical No.202254) to all other models in the range. It dimensional details of the range of heaters. is supplied with every burner as a loose item and should be discarded if not needed.
  • Page 25 Figure 8. Possible Heater Orientations Doc No 700111 (06-15), Page 25...
  • Page 26 Figure 10. Heater Assembly: Model Linear VCLUS 40-S10 VCLUS HL 40-S10 Doc No 700111 (06-15), Page 26...
  • Page 27 Figure 11. Heater Assembly: Model Linear VCLUS 40-S20 and 60-S20. VCLUS HL 40-S20 and 60-S20. Doc No 700111 (06-15), Page 27...
  • Page 28 Figure 12. Heater Assembly: Model Linear VCLUS 40-S30, 60-S30, 80-S30, 100-S30 and 125-S30. VCLUS HL 60-S30, 80-S30, 100-S30 and 125-S30. Doc No 700111 (06-15), Page 28...
  • Page 29 Figure 13. Heater Assembly: Model Linear VCLUS 60-S40, 80-S40, 100-S40, 125-S40 and 150-S40. VCLUS HL 60-S40, 80-S40, 100-S40, 125-S40 and 150-S40. Doc No 700111 (06-15), Page 29...
  • Page 30 Figure 14. Heater Assembly: Model Linear VCLUS 100-S50, 125-S50, 150-S50, 170-S50 and 200-S50. VCLUS HL 125-S50, 150-S50, 170-S50 and 200-S50. Doc No 700111 (06-15), Page 30...
  • Page 31 Figure 15. Heater Assembly: Model Linear VCLUS 125-S60, 150-S60, 170-S60 and 200-S60. VCLUS HL 150-S60, 170-S60 and 200-S60. Doc No 700111 (06-15), Page 31...
  • Page 32 Figure 16. Heater Assembly: Model Linear VCLUS 150-S70, 170-S70 and 200-S70. VCLUS HL 170-S70 and 200-S70. Doc No 700111 (06-15), Page 32...
  • Page 33 Figure 17. Heater Assembly: Model Linear VCLUS 170-S80 and 200-S80. Doc No 700111 (06-15), Page 33...
  • Page 34 Figure 18. Heater Assembly: Model U tube VCLUS 40-U20, 60-U20 and 80-U20. VCLUS HL 40-U20 and 60-U20. 3' 3" Doc No 700111 (06-15), Page 34...
  • Page 35 Figure 19. Heater Assembly: Model U tube VCLUS 60-U40, 80-U40, 100-U40, 125-U40 and 150-U40. VCLUS HL 60-U40, 80-U40, 100-U40, 125-U40 and 150-U40. 3' 3" Doc No 700111 (06-15), Page 35...
  • Page 36 Figure 20. Heater Assembly: Model U tube VCLUS 125-U60, 150-U60, 170-U60 and 200-U60. VCLUS HL 150-U60, 170-U60 and 200-U60. 3' 3" Doc No 700111 (06-15), Page 36...
  • Page 37 Figure 21. Heater Assembly: Model U tube VCLUS 170-U80 and 200-U80. 3' 3" Doc No 700111 (06-15), Page 37...

  • Page 38: 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 39 The high fire gas pressure should be set first followed by the low fire gas pressure. Re-check the high fire and re-adjust if necessary. To enable post purge ensure that the setting of any time switch and thermostat are such that the heating system will be required to turn off.
  • Page 40 Commissioning chart Check installation has Ensure gas and electricity Disconnect gas hose from been carried out to these supplies are isolated. burner. instructions. Remove burner from emitter tube and inspect burner head. (See servicing instructions). Reconnect gas hose. Open control housing and Replace burner on emitter Open Manual valve.

  • Page 41: Servicing Instructions

    4. Servicing Instructions. These appliances should be serviced annually by a competent person to ensure safe and efficient operation. In mildly dusty or polluted conditions more frequent servicing may be required. Servicing work should be carried out by a qualified mechanical contractor. to complete the tasks laid out in this manual.
  • Page 42 4.3 Burner Removal Step 1: Isolate power and gas supplies. Step 2: Disconnect the external power/control connections. Step 6: Remove the burner and position the burner in a safe area to prevent the burner or components attached to the burner from falling to the ground.
  • Page 43 Step 3: The gas injector can be inspected and replaced if contaminated or blocked. When replacing the gas injector ensure approved thread sealant is used. Step 4: Reconnect ignition leads and silicone tube to test nipple. Refit gasket and support casting.
  • Page 44 continued reliability. Detach the electrode 4.7 Emitter Tube Servicing assembly from the burner head by removing the two screws as shown and separating the Step 1: Brush any dust from the exterior of the igniter assembly lead connectors. emitter tubes. Step 4: Refit the electrode assembly and Inspect the fan and burner emitter Step 2:...

  • Page 45: Troubleshooting Guide

    5. Troubleshooting Guide. START Ensure gas & electricity supplies are enabled. Turn any external timer to call for heat (if fitted). CHECK: - Does the Power On Is there power to the 1. Internal fuse. light illuminate? burner? 2. Integrity of wiring connections. 3.
  • Page 46 To aid in the trouble shooting process the UT controller has a LED flash code diagnostic sequence: Steady Off No control Power Steady On Power Applied, Control OK Combustion Pressure Switch Open With Blower On 1 Flash Combustion Pressure Switch Closed With Blower Off 2 Flashes Lockout From The Three Ignition Trials 3 Flashes...

  • Page 47: Replacing Parts

    6. Replacing Parts. Turn off gas and any electrical supplies to 6.2 Air Pressure Switch Replacement the heater before starting repair work. Step 1: Disconnect the two silicone tubes from the pressure switch. 6.1 Burner Controller Replacement Step 1: Remove the four screws securing the bottom access door.
  • Page 48 Step 5: Fit the new air pressure switch ensuring the tubes are connected as shown below. Step 5: Remove the four screws (circled) securing the gas valve inlet plate to the burner housing and remove plate. Step 6: Re-connect wiring. Step 7: Test product for correct operation, close access door.
  • Page 49 Notes. Doc No 700111 (06-15), Page 49...
  • Page 50 Notes. Doc No 700111 (06-15), Page 50...
  • Page 51 Notes. Doc No 700111 (06-15), Page 51...
  • Page 52 Website www.ambirad.com/us For the Distributor Nearest please call AmbiRad is a registered trademark of Nortek Global HVAC. Because of continuous product 1-888-330-4878 innovation, AmbiRad reserves the right to change product specification without due notice. Doc No 700111 (06-15), Page 52...

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