Powrmatic CPx30 User, Installation And Servicing Instructions
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Powrmatic CPx30 User, Installation And Servicing Instructions

Gas & oil fired cabinet heaters
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CPx Gas or Oil Cabinet Heater Range
Industrial & Commercial Heating Systems.
Users, Installation and Servicing Instructions
GB & IE
Gas & Oil Fired Cabinet Heaters
WARNING: THIS APPLIANCE MUST BE EARTHED
H E A T I N G
/ /
V E N T I L A T I O N
CPx30 - CPx300
(L4064B)
/ /
A I R C O N D I T I O N I N G
Issue 2.1 June 2014

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Summary of Contents for Powrmatic CPx30

  • Page 1 CPx Gas or Oil Cabinet Heater Range Industrial & Commercial Heating Systems. Users, Installation and Servicing Instructions Gas & Oil Fired Cabinet Heaters CPx30 - CPx300 (L4064B) WARNING: THIS APPLIANCE MUST BE EARTHED GB & IE H E A T I N G...
  • Page 2 1. The appliance type and serial number. 2. The original commissioning documentation. 3. As much detail as possible on the fault. 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

    We appreciate you buying one of our high quality products and know that you have made the best choice. By choosing Powrmatic, you are investing in UK manufacturing & its workforce. We pride ourselves by manufacturing products that provide clean, comfortable and safe working environ- ments worldwide together with the personal &...
  • Page 4 Users Instructions A) Checks before lighting the Air 2. The burner air fan will run and after a pre purge Heater period of approximately 30 seconds the ignition spark will be generated and the oil valve opened. The following checks must be made before lighting the The main burner will then fire.
  • Page 5 The fault All Powrmatic heaters use gas, or oil, and condition must be identified and rectified and the thermo- electricity to power them, they may also contain stat manually reset.

  • Page 6: Introduction

    1.1 Introduction The Powrmatic CPx range of closed flue, fanned circula- Variant types are:- tion air heaters cover a heat output range of 30 kW to /UF - Upright heater with free blowing rotatable heads. 290kW and are intended primarily for heating commercial /UD - Upright heater with outlet duct spigot (inlet duct or industrial premises.

  • Page 7: General Requirements

    1.2 General Requirements 1.2.1 Gas Fired Heaters BS 5864. Installation and maintenance of gas-fired ducted air heaters of rated heat input not exceeding 70 kW net (2nd and 3rd family gases). 1.2.1.1 Related Documents 1.2.1.2 Service Pipes The installation of the air heater(s) must be in accordance with the rules in force and the relevant requirements of the The local gas undertaking should be consulted at the Gas Safety Regulations, Building Regulations and the...

  • Page 8: Size Data

    1.3 Size Data CPx UD/UF Upright Free Blowing and Ducted (30-300) Notes:- Flue Tee provided as standard Model 1200 1200 1399 1399 1599 1599 1104 1104 1767 1767 1895 1895 2149 2149 2265 2265 2265 2265 mm Ø mm 1535 1535 1661 1661 1923 1923 2021 2021 2021 2021 944 1122 1122 1132 1132 1122 1122 875 1042 1042 Duct...
  • Page 9 CPx HF/HD Horizontal Free Blowing and Ducted (30-300) Notes:- FlueTee provided as standard. Screened air intake (SAI) tted as standard on HF models Duct spigot option available. Direction of air ow to be speci ed at time of order. Left to Righ ( L -R when looking at the burner) air ow shown above. Model 1200 1200...
  • Page 10 CPx - EA External Cabinet Heaters (30-300) Notes:- Direction of air ow to be speci ed at time of order. Left to Right (L-R when looking at the burner) air ow shown above. Inlet and Outlet duct spigots have the same dimensions. Primary ue length, cowl and ashing provided as standard.

  • Page 11: Fitting The Unit

    * Head plan 2 can not be inverted, as one head needs to be placed over the limit stat. 2.1 Fitting the unit 2.1.1 General 2.1.2 Location Before installation, check that the local distribution condi- The location chosen for the air heater must permit: tions, fuel specification, and adjustment of the appliance - the provision of a satisfactory flue system and an (see data plate) are compatible.
  • Page 12 Advice in these instances must be obtained from ing must be observed. Powrmatic Ltd. c) In areas subjected to significant negative pres- sures due to extract systems. To the front...
  • Page 13 CPx Combustion & Ventilation Air Supply Type B23 Installation These refer to section 2.1.4. of the instructions Air vents shall be permanently open. Figures in column 1 are for heaters installed in the space they are heating. Figures in column 2 are for heaters installed in a plant room, ventilation to outside air. Figures in column 3 are for heaters installed in a enclosures, ventilation to outside air.
  • Page 14 2) Installation in plant rooms or enclosures CPx*/D models are designed for use with duct work to There must be permanent air vents communicating direct- more precisely define the point of air delivery, and /or ly with the outside air, at high level and at low level. provide ducted return air or ducted fresh air inlet.

  • Page 15: Fitting The Flue And Combustion And

    temperature is concerned. Draughty areas, areas Any room thermostat, frost thermostat, time clock etc. subjected to direct heat e.g. from the sun, and areas must be suitable for switching 230V, 5A and must be of where the air movement is relatively stagnant e.g. in the 'snap action' type to minimise contact bounce.

  • Page 16: Basic Unit

    2.3 Basic Unit Fan / Limit stat Exhaust Flue Burner Data Plate MC200 Controller High Limit Reset Electrical Connections (behind cover) 2.4 Electrical Cable Installation Electrical Connections All units are fully prewired and only require nal connections for the incoming mains supply. Heaters not supplied with inbuilt time and temperature controls will also require Wiring external to the air heater must be installed in accor- completion of the external control circuit (230V) via a room...

  • Page 17: Commissioning And Testing

    MC200) the heater. Standard Uprated Motor Motor FUSE FUSE MODEL PH RATING RATING CPx30 CPx45 CPx60 CPx90 CPx120 CPx150 CPx175 CPx200 CPx250 CPx300 2.5 Commissioning & Testing 2.5.1 Electrical Installation be inspected and tested in accordance with the recom- mendations of OFTEC.
  • Page 18 The burners are the main burner gas pressure (Fig 2 Page 21) by rotating specifically adjusted for Powrmatic heaters, only the adjustment screw under the cover flap. If the range of use the settings in these instructions.

  • Page 19: Air Pressure Switch

    Note: DO NOT use burner settings from the burner instruction booklet. The burners are Note: Refer to the burner instruction booklet but specifically adjusted for Powrmatic heaters, only follow the steps below. The air pressure switch is use the settings in these instructions.
  • Page 20 6. Note: This step is only for when a vent valve is 2.5.5.2.3 Final Checks being used. Open the vent valve. When air free oil issues 1. After making final adjustments check that there are no from the vent valve close the valve and the leaks on the oil pipework.

  • Page 21: Technical Data

    Connection resistant Input Output Size Volume (Nett) Standard Uprated Standard Uprated Model Motor Motor Motor Motor /NCA m³/s m³/h CPx30 32.61 30.0 0.5760 2074 0.373 ½ ¼” CPx45 ½ ¼” 48.9 45.0 0.8640 3110 0.550 CPx60 65.2 60.0 1.1520 4147 0.550...
  • Page 22 15.1 316.1 26.65 31.36 13.0 Note: CO values and Nett flue gas temperatures are given for guidance and measured values will depend on site conditions. Table 6 Heat Exchanger Baffles Model CPx30 CPx45 CPx60 CPx90 CPx120 CPx150 CPx175 CPx200 CPx250...

  • Page 23: Short List Of Parts

    3.2 Short List of Parts Refer also to the burner supplement supplied with the heater ITEM Used on Part Number Gas Valve Block 30 & 45 141378701 Gas Valve Block 60 & 90 141378702 Gas Valve Block 141378703 Gas Valve Block 150, 175 &...
  • Page 24 4.1.5 Oil Filter (if applicable) exchanger mounting frame to the fan shroud on the side that the fan is going to be withdrawn. 1. Release the securing bolt, or unscrew the filter bowl, to 4. Withdraw the fan from the slide rails. access the filter.
  • Page 25 4.1.6.6.4 Fan / Limit Thermostat Hon- eywell L4064B Fig 4 Thermostat Fan / Limit - Honeywell L4064B NOTE: Larger heaters have two fan and limit Mechanical Limiter Set Point Dial Release Point thermostats fitted. Either one will start the main fans and either one Mechanical limiter will shut down the burner in the event of an over- Limit Set point...

  • Page 26: Fault Finding

    4.2 Fault Finding Refer also to the burner supplement supplied with the heater Fault Cause Action Main burner will not light Electrical 1. Check electrical supply is ON. 2. Check controls are ON or calling for heat. 3. Faulty ignition probe/lead/setting. 4.
  • Page 27 Notes CPx Gas or Oil Cabinet Heater Range Issue 2.1 June 2014 Page 27...
  • Page 28 Appendix A Calculation Of Flue System Equivalent Resistance The pressure resistance of the flue system (Pr) = 1.5 * [(PFF*H/D+SRF)Qm/Wm2] (pa) Where H = Effective flue height in m D = Internal Diameter of flue in m PRF (Pipe Friction Factor) = 0.118*(0.21147/D0.4) Where D = Internal Diameter of flue in m SRF (Sum of individual resistance factors) Typical resistance factors for individual components are as follows...

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Cpx300

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