Powrmatic VX35 User, Installation & Servicing Manual
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Powrmatic VX35 User, Installation & Servicing Manual

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Doc Ref: M208 Issue 1.6 May 2023
®
User, Installation & Servicing Manual
Issue 1.6 May 2023
ErP COMPLIANT
J A N U A R Y 2 0 2 1
w w w . p o w r m a t i c . c o . u k

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Summary of Contents for Powrmatic VX35

  • Page 1 Doc Ref: M208 Issue 1.6 May 2023 ® User, Installation & Servicing Manual Issue 1.6 May 2023 ErP COMPLIANT J A N U A R Y 2 0 2 1 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: Table Of Contents

    Contents Users, Installation and Servicing Instructions CONTENTS Title Section Contents Page User Instructions Pre Installation Introduction Duties Dimensions Flue Options Head Plans & Accessories Technical data General Requirements Assembly Installation Fitting the unit Fitting the Flue/Combustion Air General Identification of Electrical Items Electrical Cable Installation Wiring Diagrams Commissioning and Test Procedure...
  • Page 4 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 burner start up sequence will commence when the...
  • Page 5 The air heater must be connected to a flue system that is approved by Powrmatic Ltd. VX heaters intended primarily for heating commercial or industrial premises.
  • Page 6 Technical Specification Model High Fire (max) 33.5 51.5 69.8 95.4 118.0 140.0 Nat Gas Low Fire (min) 16.1 26.4 34.0 36.6 48.2 72.2 Output (nominal) High Fire (max) 34.1 48.3 67.8 87.7 118.6 130.4 Low Fire (min) 16.6 24.2 35.0 45.2 61.1 69.1...
  • Page 7 SALVAGNINI: SALVAGNINI: DRAWING NUMBER: DRAWING NUMBER: VPX - Dimension VPX - Dimensio 1460 52341 01460 52341 DØ r&d@powrmatic .co.uk r&d@powrmatic .co.uk perty of POWRMATIC operty of POWRMATIC DESCRIPTION: DESCRIPTION: UNSPEC. TOLS. UNSPEC. TOLS. chrisbromfield chrisbromfield 22/08/2018 22/08/2018 NEW DRAWING NEW DRAWING...
  • Page 8 Dimensions Flue and Flue Components Concentric Horizontal Terminal Size A mm B mm C mm D mm E mm 130mm 100mm 100mm 130mm Concentric Vertical Terminal Size A mm B mm B1mm C mm D mm E mm E1 mm 1515 1850 SW Horizontal Terminal...
  • Page 9 Dimensions Flue and Flue Components 90° Elbow 45° Elbow Size A mm B mm Size A mm B mm Flue Options Single Flue type B22 The flue system will take form of individual components. Type B22 installation - Exhaust Only system components A Vertical terminal or B Horizontal terminal C Adjustable flue lengths...
  • Page 10 Flue Options Balanced Flue type C12 or C32 Kits The flue kit will take form of the following components: Type C32 installation - Vertical Balanced Flue kit A Vertical terminal* B Single to twin adaptor (ski boot)* C Adjustable flue lengths x 2 D In-line condense drain E 250mm standard flue length F Terminal extension length*...

  • Page 11: Head Plans & Accessories

    DRAWING NUMBER: TA19 9PS. VPX - Side Rear Inlet Spigot Filters Dampers 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: chrisbromfield 04/09/2018 NEW DRAWING Hole centers ±0.1mm...

  • Page 12: Technical Data

    2.59 VX140 2.26 17.5 5.70 2.95 Ducted Units - Airflow vs Max Duct Resistance Air Volume Max Duct Model (m³/h) Resistance (Pa) VX35 UD 4000 VX50 UD 5450 VX70 UD 7000 VX90 UD 10100 VX120 UD 12800 VX140 UD 13500 page no.

  • Page 13: General Requirements

    Powrmatic heaters are designed to operate within an appertaining to the area in which the heater is located, ambient temperature range of -10 to 25°C.
  • Page 14 Single to twin adaptor TA19 9PS. 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 Lengths chrisbromfield 22/08/2018 Lengths LIMITED. It must not be used without their knowledge, nor communicated to any other person or company.
  • Page 15 1.3 General Requirements 1.3.8. Condense * IMPORTANT: Horizontal balanced flue may be used using alternative side outlet spigots Condensation generally occurs within a flue when flue following a risk assessment criteria given in gases are cooled to the point where they are no longer Appendix 9 of IGEM/UP/10 Edition 4 able to hold water vapour.
  • Page 16 1.3 General Requirements combustion air drawn directly from the room and not in a plant room or an enclosure) having combustion connected to a flue that evacuates the products of air ducted to the appliance and combustion products combustion directly from the room additional provision ducted to the outside air, NO additional provision for for natural or mechanical ventilation...
  • Page 17 1.3 General Requirements Care should be taken to avoid impeding the heater air ductwork. (see sketch). This straight section to be a min throw with racking, partitions, plant or machinery etc. of 1m for floor standing heaters and 2m for suspended. Various outlet configurations are available as optional extras to modify the air throw pattern to suit particular WARNING: Failure to install this plenum box...

  • Page 18: Assembly

    1.3 General Requirements Where inter-joist spaces are used as duct routes they passes must be fire stopped. Care must be taken to ensure should be suitably lined with a fire-resisting material. that return-air intakes are kept clear of sources of smells and fumes, and where there is any possibility of pollution Where the heater is installed in a plant room, the return of the air by dust, shavings etc., precautions must be...

  • Page 19: Fitting The Unit

    TA19 9PS. VX - Space Fitting Requirement Tel: 01460 53535 Fax: 01460 52341 Web: www.powrmatic.co.uk E mail: r&d@powrmatic .co.uk Front 1000 This drawing is copyright and the property of POWRMATIC UNSPEC. TOLS. DESCRIPTION: chrisbromfield 06/09/2018 NEW DRAWING Hole centers ±0.1mm LIMITED.
  • Page 20 Gas is fitted at the inlet to the appliance immediately advise Powrmatic Ltd of any shortages, in writing and downstream of the main appliance isolation valve. The within 3 days of receipt. Claims for shortages reported end user should be advised that the filter will require beyond this time will not be considered.
  • Page 21 2.1 Fitting the Unit If necessary consideration should be given to mounting Particular attention should be given to the correct the heater on resilient pads, or equivalent, to minimize arrangement of delivery ducts and registers, return air transfer of noise and vibration to the structure of the ducts and grills and general adequacy of return air paths.
  • Page 22 45° offsets may be used if required. Each set is equivalent to 0.5m of flue length. Only flue systems supplied through Powrmatic Ltd may iii) Horizontal terminations shall be located according to be used with this appliance. Twin Wall Flue can also be any minimum clearance distances and subject to the risk used.
  • Page 23 8 during installation screws. If shorter lengths of flue are required then Powrmatic Type B22 supply an adjustable length which provides adjustment 1b. Remove the blanking plate from the flue opening between 75-230mm.
  • Page 24 2.2 Installation of Flue System/Combustion Air Cross sectional area detailing sealing arrangement. Therefore when assembling the band onto the flue, the Locking toggle must snap to the right (see following diagram) Adjustable Band Locking Cross sectional area detailing sealing arrangement. Seal Band Locking...
  • Page 25 VX - Flue Arrangements Tel: 01460 53535 Fax: 01460 52341 Web: www.powrmatic.co.uk E mail: r&d@powrmatic .co.uk adjustable length locking bands back at the adjustable This drawing is copyright and the property of POWRMATIC UNSPEC. TOLS. DESCRIPTION: chrisbromfield 10/09/2018 NEW DRAWING...
  • Page 26 VX - Flue Arrangements Tel: 01460 53535 Fax: 01460 52341 Web: www.powrmatic.co.uk E mail: r&d@powrmatic .co.uk Insert a section of flue through the roof to give the correct This drawing is copyright and the property of POWRMATIC UNSPEC. TOLS. DESCRIPTION: chrisbromfield 10/09/2018...
  • Page 27 2.2 Installation of Flue System/Combustion Air Typical Vertical Balanced Flue Place a vertical terminal into the open end and clamp into place using a locking band. (This locking band may be very type B22 - exploded view tight!, see section 2.2.3.1 for correct installation). Check that the exhaust air spigot on the heater contains a Vertical Roof Terminal seal.
  • Page 28 2.2 Installation of Flue System/Combustion Air 2.2.4.3 Horizontal Balanced Flue Assembly type C12 90° Bends Locking Bands 1000mm Adjustable Lengths Additional Flue Lengths & Flue Lengths c/w Locking Bands Locking Bands (as required) Adjustable Length c/w Locking Band Typical Horizontal Balanced Flue type C12 - exploded view 500mm Lengths Fig 1c .
  • Page 29 VX Range Users, Installation & Servicing Instructions Doc Ref M208 issue 1.6 May 2023. Lengths Powrmatic Ltd. Hortbridge, Ilminster. Somerset. MATERIAL REQUIRED: PROJECTION: SALVAGNINI: DRAWING NUMBER: Lengths TA19 9PS. VX - Flue Arrangements Tel: 01460 53535 Fax: 01460 52341 Web: www.powrmatic.co.uk E mail: r&d@powrmatic .co.uk UNSPEC. TOLS. DESCRIPTION:...
  • Page 30 2.2.5. Condense Drain insulation to prevent ice forming within the condensate pipework. We recommend installing a Powrmatic inline condense flue drain when flued vertically, due to the lower flue gas Building regulations require a trap in the pipe whether it...

  • Page 31: General Identification Of Electrical Items

    2.3 General Identification of Electrical Items EXHAUST FAN LOW FIRE GAS VALVE PRESSURE SWITCH HIGH FIRE PRESSURE SWITCH RECTIFICATION SENSOR IN-SHOT BURNER SPARK PROBE LIMIT STAT FAULT INDICATION HIGH LIMIT RESET FUSE MAINS INPUT CONTRACTORS TERMINALS PACTROL R2R CONTROL BOARD BOARD page no.

  • Page 32: Electrical Cable Installation

    Note: To achieve maximum system efficiency regulations which apply. it is recommended that units are controlled by a Powrmatic MC200 or MC300 unit. Simple Warning: Any lockout reset is via a switched room thermostat and thermostat/time clock Neutral to the controller within the heater.
  • Page 33 21.12.20 Warning: Ensure AC enable circuits (Fan New Drawing 25.11.20 This drawing is copyright and the property of POWRMATIC LIMITED. It must not be used without Only, Low Fire, High Fire etc.) are volt free DATE MODIFICATION their knowledge, nor communicated to any other person or company.
  • Page 34 Fuse*/MCB** Rating (A) Running Fuse*/MCB** Rating (A) Model Current (A) Current (A) (motor rated Protection Device) (motor rated Protection Device) 10 / 6 VX35 10 / 10 VX50 10.0 15 / 16 10 / 10 VX70 VX90 15 / 16...
  • Page 35 2.4 Electrical Cable Installation 2.4.6. Interconnecting Wiring: 2.4.6.1. VX Modulation to Remote MC200 link Note: * mains input connections for 3 phase units - see supplementary wiring diagram, page 39. Note: We strongly recommend the use of a suitable screened cable for the 2-core 0-10vdc modulation input on terminals t8/t9.
  • Page 36 2.4 Electrical Cable Installation 2.4.6.4 VX Modulation Interconnections to Optional Master and Slave MC300 Notes: Mains supply and control circuit wiring should be completed in cables not less than 0.5mm². Wiring to the remote units should be completed in 7/02 0.22mm² wire i.e. that typically used for alarm security systems and similar.

  • Page 37: Wiring Diagrams

    2.5 Wiring Diagrams VX Internal Wiring Dwg. H01GBE0386 r2 page no. 37 of 60 VX Range Users, Installation & Servicing Instructions Doc Ref M208 issue 1.6 May 2023.
  • Page 38 2.5 Wiring Diagrams Factory Fitted MC200CAB/4 Integral Control Wiring Dwg. C01GBE0391 r2 MC200/CAB GNYE Electrical Panel Terminals VX35 to 70 Single Phase Motor Control Supplementary Wiring Dwg. M01GBE0408 r1 Fuse Schedule Model Fuse 1 Part No. VX35 T10A 140700040 VX50, 60 & 70...
  • Page 39 2.5 Wiring Diagrams VX90 to 140 Single Phase Motor Control Supplementary Wiring Dwg. M01GBE0388 r3 Overload Schedule Model Overload Part No. VX90 - 120 OTEC 9-13 143000800B VX140 OTEC 12-18 143000800 GNYE MOTOR CONTROL PANEL HEATER CONTROL PANEL L1 L2 L3 Techna Ktec21 TERMINAL BOX...

  • Page 40: Commissioning And Test Procedure

    * Gas Safe Registered Engineer Lockout is ignition lockout during start up. All Powrmatic heaters are fired, preset and fully tested Should an Ignition issue occur during start to stringent approved test procedures prior to dispatch.
  • Page 41 2.6 Commissioning and Test Procedure 2.6.3. Air Distribution System 2. Once in standby, press the ENGINEER TEST button on the R2R Main Control board for seconds. (see photo) The system should be checked to ensure that the installation work has been carried out in accordance with the design requirements.
  • Page 42 2.6 Commissioning and Test Procedure 2.6.6. Burner Gas Pressure Adjustment This is set for the required heat input before dispatch. High and low gas pressures should be checked in the following manner: Adjustment screw Adjustment nut (10mm) for minimum for maximum pressure pressure setting 1.
  • Page 43 2.6 Commissioning and Test Procedure b. SIT Nova 827 Adjustment (90) Hexagonal adjustment screw for maximum pressure With the burner on low fire and keeping the nut setting stationary, use a 6 x 1 screwdriver to turn the slotted Cover adjustment in to increase and out to decrease, until the Lever point Internal slotted...
  • Page 44 2.6 Commissioning and Test Procedure sampling within the first section of flue fitted to the flue 3. Wait for the heater to go into 'Standy' mode. The LED outlet of the unit. on the front of the heater should be SOLID RED. 3.
  • Page 45 Adjust the balancing dampers within the airflow ductwork system to achieve a current suitable for the model in question. Typical Motor Model Running Running Current Current VX35 8.0A 4.7A VX50 9.8A 7.6A VX70 10.0A 10.0A VX90 6.0A 9.3A VX120 8.0A...

  • Page 46: Servicing

    2.7 Servicing Gas Safety (Installation & Use) (Amendment) 2. Disconnect the spark and rectification leads from the Regulations control box and remove the electrical plug connections from the top of the gas control valve assembly. It is law that all gas appliances are installed, adjusted and, if necessary, converted by qualified persons* in accordance with the 3.
  • Page 47 5. Re-assemble using a new sealing gasket to the fan mounting box. Use silicon sealant around the joints. Components Only parts supplied via or authorised by Powrmatic 2.7.5 Heat Exchanger should be used. A short list of parts and part numbers are detailed in section 3.2 of this manual.
  • Page 48 Nat Gas Model High High 2. Remove the electrical connections from the limit Fire Fire Fire Fire thermostat. VX35 -100 3. Remove the securing nut and remove thermostat from VX50 -110 -110 the front panel. VX70 -150 -100 4. Fit replacement thermostat in reverse order.
  • Page 49 If it is not interchange any two of the three phases Model Part number and config no. connected to the motor. VX35 142400360-025 2.7.7.12. Filters VX50 142400360-026 Heaters fitted with an inlet filter box.

  • Page 50: Fault Finding & Status Indication

    3.1 Fault Finding and Status Indication 3.1.1. Heater LED Indication Located on the front of the heater at the bottom right hand corner. Colour / State Fault indication Possible cause of fault On Steady Standby Faulty pressure switch, incorrectly set, 1 Pulse APS1 FAULT incorrectly wired, pick up tube fault.
  • Page 51 3.1 Fault Finding and Status Indication 3.1.2. R2R Main Board Indication Located at the bottom left hand corner of the R2R Main Board. Colour State Indication No lockout On steady LOCKOUT Combustion fan OFF Combustion fan Running at speed Slow Flashing FAN FAULT 3.1.3.
  • Page 52 3.1 Fault Finding and Status Indication Is there Is the Is there 230V between AMBER LED on the No call for heat! <2Vdc between Pactrol controller terminals front of the heater Check controller! terminals t8 & CON5 - pin 3 and pulsing.
  • Page 53 3.1 Fault Finding and Status Indication Continued from previous page there NOW a Replace spark present Pactrol! at the ignition Electrode? • Ensure spark gap is 2.5mm Is a there • Ensure there are no cracks on spark present and NOW a the ceramic Replace...

  • Page 54: List Of Parts

    3.2 List of Parts Item Description Usage Part No. Gas Valve SIGMA 845 35/50 145035208M-SIT Gas Valve NOVA 827 145035204M-SIT Gas Valve VR4605PB 145035204M Gas Valve VR425PB 120/140 141378715M 35-70 142423010 Ignition Electrode 90-140 142423004 Rectification (Flame Sensor) Probe 142423003 35-70 142400240 Burner...
  • Page 55 3.2 List of Parts Low Fire Pressure Switch All - except 146522176 High Fire Pressure switch 90-140 High Fire 146522177 Swirler (turbulator) 35-70 NVXSTD00502 Tri Coloured Indicator 147600155 NTC 100k Thermistor 143000860 Temp Range -20 - 210C 35-50 140210496M Exhaust Fan 140201505M 90-140 140201506M...
  • Page 56 3.2 List of Parts 90 1PH 142000340 Motor Pulley 120 1PH 142000916 140 1PH 142000601 90 1PH 142001761 Fan Pulley 120 1PH 142001825 140 1PH 142001675 Belts 90-140 1PH 142109604 All (rear) 2 x 150000105 EU1 Filter 35 (side) 2 x 150000105 (When uses with filter box) 50/70 (side) 2 x 150000055...

  • Page 57: Gas Conversion

    3.3 Gas Conversion Gas Safety (Installation & Use) (Amendment) Note*: Ensure the original data badge is Regulations removed and replaced with new data badge It is law that all gas appliances are installed, and "change of gas" stickers. adjusted and, if necessary, converted by 3.3.3.1.
  • Page 58 Nominal Inlet Pressure = 37mbar, Minimum Inlet Pressure = 28mbar High Fire Low Fire Burner Burner Injectors Pressure Pressure Conversion Kit Injector part MODEL Size (mm) Marked mbar mbar part number number VX35 VX35LPG 142401678 20.5 VX50 VX50LPG 142401678 25.0 VX70 VX70LPG 142401678 20.0 VX90 VX90LPG 2.26 142401667 20.0...

  • Page 59: Information Required For Ecodesign (Erp) Directive 2009/125

    Appendices Information required for ecodesign (ErP) Directive 2009/125 Model 33.5 49.1 69.8 Rated Heat Capacity 16.1 23.8 34.0 Minimum Heat Capacity 35.8 53.6 75.3 High Heat Input Nett CV 16.8 25.1 35.1 Low Heat Input High Fire Useful Energy Low Fire High Fire Low Fire Electrical Power Consumption*...
  • Page 60 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 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.

This manual is also suitable for:

Vx50Vx70Vx90Vx120Vx140

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