Powrmatic LNVx F Series User, Installation & Servicing Instructions
  1. Manuals
  2. Brands
  3. Powrmatic Manuals
  4. Gas Heater
  5. LNVx F Series
  6. User, installation & servicing instructions

Powrmatic LNVx F Series User, Installation & Servicing Instructions

Hide thumbs
Table of Contents

Advertisement

Quick Links

Doc Ref: M104 Issue 1.0 Sep 2018
®
LNVx
User, Installation & Servicing Manual
Issue 1.0 September 2018
ErP COMPLIANT
S E P T E M B E R 2 0 1 8
w w w . p o w r m a t i c . c o . u k

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the LNVx F Series and is the answer not in the manual?

Questions and answers

Related Manuals for Powrmatic LNVx F Series

Summary of Contents for Powrmatic LNVx F Series

  • Page 1 Doc Ref: M104 Issue 1.0 Sep 2018 ® LNVx User, Installation & Servicing Manual Issue 1.0 September 2018 ErP COMPLIANT S E P T E M B E R 2 0 1 8 w w w . p o w r m a t i c . c o . u k...
  • Page 2 1. The appliance type and serial number. 2. The original commissioning documentation. As much detail as possible on the fault. 3. Your supplier, or installer, will then contact Powrmatic to make a guarantee claim on your behalf. Conditions of Guarantee 1.
  • Page 3 Contents Users, Installation and Servicing Instructions CONTENTS Title Section Contents Page User Instructions Pre Installation Introduction Duties Dimensions Options & Accessories Technical data General Requirements Installation Fitting the unit Flue/Combustion Air Duct System General Identification of Electrical Items Electrical Cable Installation Wiring Diagrams Commissioning and Testing Servicing...

  • Page 4: User Instructions

    User Instructions D) Description of Operation If the heater has not been left operational proceed as follows. Important: The heater must NOT be controlled by switching ON and OFF the A) Checks before operating the Air main electrical supply to it. Heater 1) Standard Units The ignition sequence commences each time the external...
  • Page 5 User Instructions Note: The limit thermostat(s) can only be reset All Powrmatic heaters use gas and electricity to power once the unit has cooled down. Unless the them, they may also contain moving parts such as pulleys cause of the fault condition is readily obvious, and belts.

  • Page 6: Technical Specification

    Technical Specification LNVx Model High Fire (max) 14.5 19.0 24.0 34.0 37.5 44.0 50.5 60.0 70.5 90.0 118.5 137.0 Output (nominal) Low Fire (min) 12.7 16.3 23.8 25.5 29.8 33.9 40.8 47.8 65.3 83.5 93.3 High Fire (max) 15.5 20.5 26.0 36.5 40.5...
  • Page 7 TA19 9PS. LNVx F - Freeblowing Units 662.5 662.5 662.5 Tel: 01460 53535 Fax: 01460 52341 Web: www.powrmatic.co.uk E mail: r&d@powrmatic .co.uk This drawing is copyright and the property of POWRMATIC DESCRIPTION: UNSPEC. TOLS. chrisbromfield 29/05/2018 NEW DRAWING ±0.1mm Hole centers LIMITED.
  • Page 8 LNVx Duo - Axial Fan Bi-Directional Units Tel: 01460 53535 Fax: 01460 52341 Web: www.powrmatic.co.uk E mail: r&d@powrmatic .co.uk 1150 1150 1150 This drawing is copyright and the property of POWRMATIC DESCRIPTION: UNSPEC. TOLS. 31/05/2018 NEW DRAWING Hole centers ±0.1mm LIMITED.
  • Page 9 DRAWING NUMBER: TA19 9PS. LNVx V - Axial Fan Downflow Units Tel: 01460 53535 Fax: 01460 52341 Web: www.powrmatic.co.uk E mail: r&d@powrmatic .co.uk This drawing is copyright and the property of POWRMATIC DESCRIPTION: UNSPEC. TOLS. 01/06/2018 NEW DRAWING Hole centers ±0.1mm...
  • Page 10 TA19 9PS. LNVx CCF - Centrifugal Close Coupled Fan Units Tel: 01460 53535 Fax: 01460 52341 Web: www.powrmatic.co.uk E mail: r&d@powrmatic .co.uk DESCRIPTION: This drawing is copyright and the property of POWRMATIC UNSPEC. TOLS. 31/05/2018 NEW DRAWING Hole centers ±0.1mm LIMITED.
  • Page 11 Fax: 01460 52341 Web: www.powrmatic.co.uk E mail: r&d@powrmatic .co.uk 145.5 145.5 145.5 145.5 DESCRIPTION: This drawing is copyright and the property of POWRMATIC UNSPEC. TOLS. 01/06/2018 NEW DRAWING Hole centers ±0.1mm LIMITED. It must not be used without their knowledge, nor "Description Here"...
  • Page 12 TA19 9PS. LNVx - Mixing Box Tel: 01460 53535 Fax: 01460 52341 Web: www.powrmatic.co.uk E mail: r&d@powrmatic .co.uk This drawing is copyright and the property of POWRMATIC UNSPEC. TOLS. DESCRIPTION: 02/07/2018 NEW DRAWING LIMITED. It must not be used without their knowledge, nor Hole centers ±0.1mm...
  • Page 13 Fax: 01460 52341 Web: www.powrmatic.co.uk E mail: r&d@powrmatic .co.uk MATERIAL GAUGE & SPEC: TITLE: POWRMATIC LTD DO NOT SCALE This drawing is copyright and the property of POWRMATIC DESCRIPTION: UNSPEC. TOLS. "Title Here" 16/07/2018 NEW DRAWING "Material Gauge & Spec Here"...
  • Page 14 1.2 Technical Data Injector Sizes & Burner Pressures - Natural Gas - Group H - G20 Net CV (Hi = 34.02MJ/m³) (All variants) High Fire Low Fire Burner Burner Injectors Gas Rate Gas Rate Pressure Pressure MODEL Size (mm) Marked mbar m³/h mbar...
  • Page 15 * where appropriate. 1.3.2 Location 1.3.3 Electrical Supply Powrmatic LNVx units are designed to operate within an Wiring external to the air heater must be installed in ambient temperature range of -10 to 25°C. accordance with the I.E.E. Regulations for Electrical Installations and any local regulations which apply.

  • Page 16: Ventilation Requirements

    Code. 1.3.6 Ventilation Requirements 1.3.5 Flue System Type B flued installations Only flue systems supplied through Powrmatic Ltd may installed within the heated Where LNVx heaters are be used with LNVx units. Several configurations of flue...
  • Page 17 1.3 General Requirements These being: products ducted to the outside air, NO additional provision for the supply of either combustion air or for • Natural Ventilation: combustion products dilution or additional provision for There must be permanent air vents communicating the supply of air is necessary.
  • Page 18 1.3 General Requirements 1.3.7 Air Distribution System If the air heater(s) are installed in a plant room, the return air intake(s) and the warm air outlet(s) from the heater(s) Where LNVx F units are required to cover a large floor must be fully ducted, into and out of the plant room to area, and in buildings with high roof or ceiling heights avoid interference with the operation of the heater.
  • Page 19 2.1 Fitting the Unit 2.1.1 Fitting space requirement LNVx F / CCF Front View LNVx Duo Front View R/H Side Views LNVx F LNVx CCF R/H Side Views LNVx V LNVx Duo page no. 19 of 48 LNVx Range Users, Installation & Servicing Instructions Doc Ref M104 issue 1.0 Sep 2018.
  • Page 20 2.1 Fitting the Unit Distance from outside of heater to closest obstacle Distance RHS Clearance (when viewed at front of heater) 1000 LHS Clearance (when viewed at front of heater) Top of heater Rear of heater (dependent on flue system) LNVx15F-30F / Duo 2.5-3.0 LNVx35F-140F / Duo...
  • Page 21 2.1 Fitting the Unit electrical connections to the heater are made with flexible Temporary connections to maintain continuity of connection. supports 2.1.3 Air Distribution System 2.1.3.1 General LNVx Duo discharges air in two directions, significantly enhancing the effective coverage of the heater and leading to a more even warmth distribution especially within modern well insulated buildings.
  • Page 22 4. Remove fan assembly and rotate the assembly 90° anticlockwise. Note: A terminal guard, as supplied by Powrmatic Ltd, must be fitted to horizontal 5 Refit the fan assembly to the exhaust header plate flue terminals. ensuring that the gasket is not damaged, if necessary replace or make good with silicon sealant.
  • Page 23 2.2 Flue/Combustion Air Duct System Fig 1b . Individual system - Type C32 vertical weather with silicon sealant or similar. 3. Fit the twin to concentric adapter to the terminal Terminal section and extend the flue and combustion air ducts to the heater using straight lengths.
  • Page 24 Lengths required in the future. Any clarification can be achieved by consulting with Powrmatic. The condensate drainage pipe should be run in a standard Adjustable Lengths drain pipe material and have a fall of at least 2.5° in every...

  • Page 25: Electrical Connections

    2.4 Electrical Cable Installation 2.4.1. Electrical Connections Models supplied with a centrifugal fan/silencer duct section require wiring to be completed between the heater and fan. Refer to supplied wiring diagram. Warning: THIS APPLIANCE MUST BE EARTHED. Warning: LNVx D models supplied less fan must be electrically interlocked to the air movement system so that this is started in Warning: Lockout reset is by a switched...
  • Page 26 2.4 Electrical Cable Installation MAINS SUP 230V AC 50 2.4.3. External Wiring 230v Supply The wiring terminals are located on the electrical panel for Controller behind the side door of the heater which firstly has to be opened. Modulating (-) Modulating (+) 0-10v Lockout Reset - Momentary switch to...
  • Page 27 2.4.6. Interconnecting Wiring: 2.4.6.1. LNVx High / Low to Powrmatic MC200 Warning: External controls MUST be powered via heater terminal 10, 11 and Earth 2.4.6.2. LNVx Modulation to Powrmatic MC200 Warning: External controls MUST be powered via heater terminal 10, 11 and Earth page no.

  • Page 28: Wiring Diagrams

    2.5 Wiring Diagrams LNVx High / Low Internal Wiring page no. 28 of 48 NVx Range Users, Installation & Servicing Instructions Doc Ref M104 issue 1.0 Sep 2018.
  • Page 29 2.5 Wiring Diagrams LNVx Modulation Internal Wiring page no. 29 of 48 LNVx Range Users, Installation & Servicing Instructions Doc Ref M104 issue 1.0 Sep 2018.

  • Page 30: Gas Installation

    2.6 Commissioning and Testing Gas Safety (Installation & Use) (Amendment) Particular attention should be given to the correct Regulations arrangement of delivery ducts and registers, return air ducts and grills and general adequacy of return air paths. It is law that all gas appliances are installed, adjusted and, if necessary, converted by qualified persons* in accordance with the For LNVx D and LNVx CCF units ensure that the duct work...
  • Page 31 2.6 Commissioning and Testing IMPORTANT: The internal pipe work of the 4. If it is necessary to adjust either the high fire or low fire appliance has been tested for soundness pressures proceed as follows after levering off the plastic before leaving the factory.
  • Page 32 2.6 Commissioning and Testing 2.6.6.1.1.2. Honeywell V4336 3. Repeat 2 above with external controls set to maintain low fire. Adjustment Maximum Setting 4. If it is necessary to adjust either the high fire or low fire With the controls set to high fire, use an adjustable or pressures proceed as follows after removing the plastic 8mm spanner to turn the adjustment screw, clockwise cover from the Modulating regulator.
  • Page 33 2.6 Commissioning and Testing 2.6.6.1.3. Modulating Control Board For Modulation a modulating control board is fitted (which also includes the fan command outputs). The board interfaces between a 0-10VDC control signal and the modulating regulator. Basic operation method 1. With the 0 to 10 signal at 0, the gas valve drive signal will be de-energised.
  • Page 34 2.6 Commissioning and Testing 2.6.6.5. Limit Thermostat 2. Check that the room thermostat and all automatic controls are operating satisfactorily. Limit Thermostat settings:- LNVx (all) = 90°C 2.6.8. Handing over the Air Heater Note: LNVx35 & 90 - 140 units have a single Hand these instructions to the user or purchaser for limit thermostat whereas LNVx 90 to LNVx retention and instruct in the efficient and safe operation...
  • Page 35 2.7 Servicing 4. Release the inlet connection flange from the gas valve 5. Re-assemble using a new sealing gasket to the fan by removing the four screws. mounting box. Use silicon sealant around the joints. 5. If required remove the manifold by removing the four 2.7.5 Heat Exchanger screws securing it to the burner assembly.
  • Page 36 10 - 12mm forward of the burner. Only parts supplied via or authorised by Powrmatic should be used. A short list of parts and part numbers are detailed in section 3.2 of this manual. If in doubt, please 2.7.7.4.
  • Page 37 2.7 Servicing 2.7.7.6. Air Pressure Switch Note: If a 3ph motor is being replaced ensure that the direction of rotation is correct. If it is 1. Remove the two screws securing the cover and remove not interchange any two of the three phases cover.

  • Page 38: Fault Finding

    3.1 Fault Finding START Is there 230V between TURN ON MAINS Pactrol controller terminals ISOLATOR! CON5 - pin 1 and pin 2? Is there now 230V between Check for break Pactrol controller terminals in BROWN cable. CON5 - pin 1 and pin 2? there Is there...
  • Page 39 3.1 Fault Finding Continued from previous page Is there there Check for break in 230V between NOW 230V Replace contractors terminals 14 and VIOLET & WHITE between contractors Pactrol! terminals 14 15? Green lamp will be cables. and 15? indicating? Replace Has the Gas Solenoid Gas Valve and...
  • Page 40 3.1 Fault Finding Continued from previous page Burner Fired! Is there • Check for 230V on terminals L & N Has the main fan 230V at terminal on Fan Command Module. started after the 30 second 'SW' on the Fan Command •...
  • Page 41 3.2 List of Parts Item Description Usage Part No. Gas Valve SIGMA 843 15-50 145035208HL-SIT/KIT Gas Valve VK4105A 15-50 145035208/KIT Gas Valve VR4605AB 60-90 145035204/KIT Gas Valve V425AB 120/140 141378715/KIT 15-70 142423010 Ignition Electrode 90-140 142423004 Rectification (Flame Sensor) Probe 142423003 15-70 142400240...
  • Page 42 3.2 List of Parts Modulation Governor Head 15-140 -/MOD 142466403 Fan & Modulation Burner Controller 15-140 -/MOD 142400303M Lockout Reset Switch 143070276 Fan Command Module MkIII All (except /MOD) 142403603 15-70 146522176 Pressure Switch HUBA 604 90-140 142522177 15-50 140210496 Exhaust Fan Exhaust Fan c/w Mounting Brackets 15-50...
  • Page 43 3.2 List of Parts 1402CFAN009 20/25 1402CFAN150/T/15 40/50/90 1402CFAN210/T/15 Main Centrifugal Blower - LNVx CCF 1402CFAN580/T/15 1402CFAN550/T/15 120/140 1402CFAN580/T/15 page no. 43 of 48 LNVx Range Users, Installation & Servicing Instructions Doc Ref M104 issue 1.0 Sep 2018.

  • Page 44: Gas Conversion

    3.3 Gas Conversion 3.3.3.1. Sigma 843 Adjustment Gas Safety (Installation & Use) (Amendment) Regulations It is law that all gas appliances are installed, adjusted and, if necessary, converted by qualified persons* in accordance with the current issue of the above regulations. Failure to install appliances correctly can lead to Adjustment screw prosecution.
  • Page 45 3.3 Gas Conversion Natural Gas to Propane (LPG) Conversion Data Nominal Inlet Pressure = 37mbar, Minimum Inlet Pressure = 37mbar High Fire Low Fire Burner Burner Injectors Pressure Pressure Conversion Kit Injector part MODEL Size (mm) Marked mbar mbar part number number LNVx15 NVx15LPG...
  • Page 46 Appendices Information required for ecodesign (ErP) Directive 2009/125 Model 15.5 20.5 26.0 36.5 Rated Heat Capacity Nett CV 14.1 18.2 26.1 Low Heat Input 12.7 16.3 23.8 Minimum Heat Capacity High Fire Useful Efficiency Low Fire High Fire 0.07 0.07 0.07 0.07 Low Fire...
  • Page 47 Notes: page no. 47 of 48 LNVx Range Users, Installation & Servicing Instructions Doc Ref M104 issue 1.0 Sep 2018.
  • Page 48 Energy Association Powrmatic pursues a policy of continues improvement in both design and performance of its products and therefore reserves the right to change, amend or vary specifications without notice. Whilst the details contained herein are believed to be correct they do not form the basis of any contract and interested parties should contact the Company to confirm whether any material alterations have been made since publication of this brochure.

This manual is also suitable for:

Lnvx duo seriesLnvx seriesLnvx d seriesLnvx15Lnvx20Lnvx25 ... Show all

Table of Contents