Ambirad VISION VSX Series Installation And Operating Manual

Radiant tube heater

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NSTALLATION

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

Nortek Global HVAC (UK) Ltd 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 (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.

Nortek Global HVAC (UK) Limited, Fens Pool Avenue, Brierley Hill, West Midlands, DY5 1QA

ISION

ADIANT

UBE

AND

VSX

EATER

PERATING

Doc No. 700015 Page of 36

ANUAL

Section

Part No. 700015

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Summary of Contents for Ambirad AMBIRAD VISION VSX Series

Page 1: Table Of Contents
® ISION ISION ADIANT ADIANT EATER EATER NSTALLATION NSTALLATION PERATING PERATING ANUAL ANUAL INDEX Section 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...
Page 2 Introduction. Welcome to the range of high efficiency and attention is required to ensure that working AmbiRad Vision radiant tube heaters. Local at height regulations are adhered to at the regulations may vary in the country of use and mounting heights specified.
Page 3: Installation Requirements
The use of protective eye wear is also recommended. Model Definitions VSXUT = AmbiRad Vision High efficiency U Tube heater with painted powered burner, deep profile stainless steel reflector and end...
Page 4 Figure 1.b. Recommended Methods of Heater Suspension. Doc No. 700015 Page 4 of 36...
Page 5 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 2 Diagram illustrating the clearance to combustibles VSXUT 20/25/30 35/40 45/50 Above Reflector Above Burner / Heater Outlet To the Sides 1300 1300...
Page 6 Gas Connection and Supply to the heater not to apply excessive turning force to the internal controls. Before installation, check that the local distribution conditions, nature of gas A flexible hose is installed to allow safe linear pressure, adjustment expansion of the heater without creating undue appliance are compatible.
Page 7 fig.f fig.g The methods shown in fig.f and fig.g are unacceptable, due to undue stress on the hose & fittings. Table 2 Gas Supply Pressures Gas Category Gas Type Natural Gas (G20) Max Supply Pressure (mbar) Min Supply Pressure (mbar) Nominal Pressure (mbar) Gas Supply Connection R½...
Page 8 Figure 5. Internal Burner Wiring Diagram. GREY VACUUM SWITCH SOLENOID VALVE N.C. N.O. GREEN/YELLOW VALVE J.S.T. EMC FILTER MAINS INPUT GRN/YLW BLUE BLUE BURNER MAINS BLUE LAMPS BROWN BROWN PINK WHITE MAIN J.S.T. YELLOW GREY Doc No. 700015 Page 8 of 36...
Page 9 0.5 air changes per hour Ventilation Requirements using appropriately sized fans and interlocked with the heaters. AmbiRad VSX tube heaters can be operated as flued or unflued appliances in accordance with Natural Ventilation the relevant national requirements in the Low level ventilation openings with a free area country of installation.
Page 10 exceeding 70kW net (1st, 2nd and 3rd family The flue system must be terminated vertically gases), and the flue system manufacturers only and in accordance with the British instructions as supplied with the flue. Standard Code of Practice BS 5440: Part 1 - Installation and maintenance of flues and See reference BS 6896.
Page 11 Option 1 - Figure 6.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 Maximum flue length = 9.5m @ Ø125mm E Forced Burner Maximum no of bends = 2 All flues must terminate vertically.
Page 12 Option 2 - Figure 6.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 Ventilation requirements are as detailed in E Forced Burner section 1.7 Heat Exchanger...
Page 13 Option 3 - Figure 6.c. Forced Burner with Heat Exchanger (with Concentric Flue) For flued products of combustion and ducted air via concentric pipe. Products of combustion IMPORTANT NOTE This option is a type B flue system with ducted air and is not a room sealed balanced flue product.
Page 14 Technical Details. Table 3. All heaters to run on 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 Heat Input kW Injector Injector Heater...
Page 15: 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 16 2.2.6 Burner Heat Exchanger Assembly. Slide the burner assembly onto the RIGHT HAND TUBE when viewed from above, ensuring it is fully engaged. Slide heat exchanger onto the LEFT HAND TUBE when viewed from above, ensuring it is fully engaged. The hose connections should face vertically.
Page 17 VSX3M VSX3M VSX2M VSX4M VSX2M VSX4M COLOUR CODE 30/35/40/ COLOUR CODE 30/35/40/ 20/25/30 45/50 20/25/30 45/50 Full Nut Washer Washer Full Nut M6 x 35 M6 x 15 Setpin Setpin Prior to assembly • Ensure the area in which you are working is safe and clear of obstructions. •...
Page 18 Locate and insert turbulator(s) into tube(s) ensuring the correct length and quantity are inserted into the correct tube. See assembly drawings section for location & length. CAUTION — SHARP EDGES! 2.5.2 Brackets, U Bolts and U bend. Fit the M8 U bolts over the tubes into the holes in the bracket &...
Page 19 2.5.3 Reflectors. Remove protective film before starting. Reflectors are supplied pre-punched and are universal throughout the VSX series. Starting at the burner end, slide the reflectors through the brackets until they are all roughly in position along the heater, referring to the assembly diagram showing overlaps.
Page 20 Locate M4 pins, washers & nuts into holes in overlapping reflectors as shown. 2.5.4 End Caps Using M4 setpins & washers fix the blank end cap beneath the reflector profile at the U bend end with the flanges facing outwards. Using M4 setpins &...
Page 21 2.5.6 Canopy End Caps Locate 6 off No.5 torque screws. Position the blank canopy end cap with the end cap flanges facing inwards, beneath the canopy profile at the U bend end & fix with screws. Repeat procedure for 'cut-out' canopy end cap, again ensuring the flange faces inwards.
Page 22 Figure 7. VSX2M 20/25/30 Doc No. 700015 Page 22 of 36...
Page 23 Figure 8. VSX3M 30/35/40/45 Doc No. 700015 Page 23 of 36...
Page 24 Figure 9. VSX4M 45/50 Doc No. 700015 Page 24 of 36...
Page 25 Figure 10. VSX Heater Breakdown (3 module shown) Doc No. 700015 Page 25 of 36...
Page 26: Commissioning Instructions
3. Commissioning Instructions. These appliances should be commissioned by a qualified engineer. to complete the tasks laid out in this manual. Tools Required. Suitable alternative tools may be used. The following tools and equipment are advisable Large Adjustable Leather Pozidrive Spanners or 22, 26 &...
Page 27: 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 28 4.3 Burner Removal Step 1 Isolate power and gas supplies. Step 2 Unplug the power connectors. Step 6 Slacken the set screw on the burner support casting to enable the burner to be removed from the radiant tube. Step 7 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 29 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 30 4.6 Combustion Fan Assembly Step 1 Slacken jubilee clip 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 31 Step 5 The turbulators should be cleaned with 4.9 Reflector Servicing a soft brush. The condition of the reflectors should be noted. 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...
Page 32: Spare Parts
5. Spare Parts. Required Spares Note Any spare part components that are not approved by Nortek Global HVAC (UK) In order to aid troubleshooting and servicing we Ltd could invalidate the approval of the recommend that the components shown in this appliance and validity of the warranty.
Page 33: Fault Finding Guide
6. Fault Finding Guide. Ensure gas & electricity supplies are enabled. Check: 1. Burner 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.
Page 34: Replacing Parts
7. Replacing Parts. Step 6 Refit HT leads and refit burner controller Turn of gas any electrical supplies to to wiring harness. the heater before starting repair work. Step 7 Test product and close access doors. 7.1 Burner Controller Replacement Step 1 Slacken screw in burner lid and open the 7.2 Air Pressure Switch Replacement right hand burner access door.
Page 35 7.3 Gas Valve Replacement Step 5 From within the combustion chamber, remove the two screws holding the front of the Step 1 Remove the burner assembly as gas valve. described in the section 4.3 Servicing. Step 2 Open the left hand access door and detach the impulse hoses from the air pressure switch.
Page 36: User And Operating Instructions
01384 489 707 ambiradsales@nortek.com www.ambirad.co.uk Registered in England No. 1390934. Registered office: 10 Norwich Street, London, EC4A 1BD Nortek Global HVAC is a registered trademark of Nortek Global HVAC Limited. Because of continuous product innovation, Nortek Global HVAC reserves the right to change product speciﬁcation without due notice.

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