Related Manuals for Powrmatic NV Series
Summary of Contents for Powrmatic NV Series
- Page 1 The NV Range Users, Installation and Servicing Instructions Pactrol Control WARNING: THIS APPLIANCE MUST BE EARTHED £4.00 When supplied separately. NV Range Users, Installation & Servicing Instructions Issue 3.8 October 2009...
- Page 2 7. Powrmatic ‘General Conditions of Sale’ have been observed. 8. Except for the obligation of Powrmatic Ltd to perform warranty repairs during the guarantee period, Powrmatic will not be liable in respect of any claim for direct or indirect consequential losses, including loss of profits or increased costs arising from loss of use of the appliance, or any event arising there from.
- Page 3 On initial lighting of the heater(s), it may take some time to purge the internal pipework of air. If it is not possible to light All Powrmatic heaters use gas and electricity to power them, the heater after several attempts contact the local service they may also contain moving parts such as pulley belts.
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Page 4: Table Of Contents
Installation & Servicing Instructions CONTENTS Section Title Page Introduction Technical Data General Requirements Installation Air Distribution System Commissioning & Testing Servicing Connections to External Controls Fault Finding Flow Chart Short List of Parts Tables Title Page Dimensions Specifications Injector Sizes & Burner Pressures Natural Gas - Group H - G20 Injector Sizes &... -
Page 5: Introduction
1. INTRODUCTION The NV range are highly efficient gas fired, fanned circulation air heaters that cover heat outputs of 10kW to 140kW, have a closed combustion circuit and are supplied complete with a flue system. They are certified for use on Natural Gas, Group H - G20, and Propane - G31 only. -
Page 6: Technical Data
2. TECHNICAL DATA 10mm Suspension Points A l t e r n a t i v e flue positions Front Side NV20/D WITH CENTRIFUGAL FAN/SILENCER SECTION SHOWN A l t e r n a t i v e flue positions Front Side NV60/D SHOWN... -
Page 7: Dimensions
54.50 2.3412 2 x 1.10 2 x 0.550 NV120 126.32 120.0 75.45 71.00 3.1215 2 x 1.50 363.5 2 x 0.550 NV140 148.93 140.0 98.92 92.55 3.6418 2 x 1.50 Note: /D data refers to Powrmatic supplied centrifugal/silencer duct section... -
Page 8: Electrical Loadings 1Ph
Table 3.1 Injector Sizes & Burner Pressures Natural Gas - Group H - G20 Net CV (Hi) = 34.02MJ/m³ High Fire Low Fire Inlet INJECTORS Pressure Burner Burner Gas Rate Gas Rate 20mb Pressure Pressure MODEL Size Marked mbar m³/h mbar m³/h NV10... -
Page 9: General Requirements
Powrmatic Ltd. directly with the outside air, at high level and at low level. -
Page 10: Installation
4. Installation of Air Heater(s) or flooded or in any position adjacent to an extraction system which is carrying flammable vapour. Grilles or louvres should be so designed that high velocity air 4.1 General streams do not occur within the plant room. Before installation, check that the local distribution conditions, The basic minimum effective area requirements of the air vents nature of gas and pressure, and adjustment of the appliance are... -
Page 11: 1A. Exhaust Only System - Horizontal
- 2000mm from ground level. length F l u e 4.3.3 Installation of Flue System socket Note:A terminal guard, as supplied by Powrmatic Ltd, must be fitted to horizontal flue terminals. Combustion air entry (fitted with inlet grille and inlet bend (not shown)) 4.3.3.1 Horizontal System - Rear Outlet... -
Page 12: 2A. Individual System - Horizontal
Fig 2a Individual system - horizontal 4.3.3.1 and 4.3.3.2, ensuring that the internal silicon sealing rings are in place. 2. It is recommended that both air inlets are utilised and that Single to twin Terminal both are fitted with the mesh inlet plates supplied. In addition adaptor Flue socket a 90°... -
Page 13: Air Distribution System
6.2 Gas Installation 5. Air Distribution System The whole of the gas installation, including the meter, should 5.1 General be inspected and tested for soundness and purged in accordance NV/D models are designed for use with duct work to more with the recommendations of IGE/UP/1 (Edition 2) or precisely define the point of air delivery, and /or provide ducted IGE/UP/2A as appropriate. -
Page 14: Governor Adjustment (Honeywell Vr425A)
6.5.1 All Models 3. In addition it is advisable to check the gas rate using the gas meter dial pointer. Ensure that no other appliances supplied 1. Switch on the electrical supply at the isolator and the ignition through the meter are in operation. sequence will commence. -
Page 15: Servicing
iii) Reconnect high/low regulator and check high fire pressure. before going to lockout. Open the gas service tap and reset the iv) Repeat from step i) if necessary. unit from lockout. v) Replace cover cap. 2. Check that the room thermostat and all automatic controls 5. - Page 16 7.4 Heat Exchanger the spark gap is 2.5mm (See Fig. 8) and the rectification electrode is 10 - 12mm forward of the burner. Whilst the main burner assembly is removed from the unit check that the primary sections that the burners fire into are 7.6.4 Limit Thermostat clean.
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Page 17: Connections To External Controls
8. Connections to External Controls Note: To achieve maximum system efficiency it is recommended that NV units are controlled by an MC200 Fuel Saver unit. Simple room thermostat and room thermostat/timeclock control systems will not provide optimum system efficiency and fuel savings. HEAT HEAT LIVE... - Page 18 HEAT HEAT LIVE LIVE L MAIN L MAIN L MAIN L MAIN NEUTRAL NEUTRAL N MAIN N MAIN N CAP N CAP EARTH EARTH Lockout Indicator 230V Push Button Reset R O O M STAT Note: The NV Heater and Powrtrol, or time clock, may be fed by separate electrical supplies providing both supplies are the same phase.
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Page 19: Fault Finding Flow Chart
Heater working correctly Digital Powrmatic Control Board - Part number 427301 Issue 1 20/01/09 - Additional Diagnostic Aid The PCB has two LEDs, A large LED labelled LOCKOUT next to the RESET Switch and a small DIAGNOSTIC LED close to CON11. -
Page 20: Short List Of Parts
10. Short List of Parts Only originally specified parts may be fitted as service replacements and all items are available from the Powrmatic Ltd Spares Department. Please refer to Powrmatic Ltd for any parts not shown in the listing. ITEM... - Page 21 BSI Registered Firm FM 414 Ind. & Comm. Air Heaters; Air Moving Equipment; Flues & Chimneys; Natural Smoke & Heat Ventilators; Powered Supply & Extract ISO 9001 Fans & Systems. HEATING DIVISION Hort Bridge Ilminster, Somerset TA19 9PS Tel: 01460 53535 Fax: 01460 52341 Every effort is made to ensure accuracy at time of going to press.
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