Biddle NOZ2 G Manual
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Biddle NOZ2 G Manual

Gas-fired air heater
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Manual
Gas-fired air heater
Model NOZ2 G
English
Version 4.0
Original Manual
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Summary of Contents for Biddle NOZ2 G

  • Page 1 Manual Gas-fired air heater Model NOZ2 G English Version 4.0 Original Manual...

  • Page 2: Table Of Contents

    FIRED AIR HEATER . . . Contents Introduction About this manual How to use this manual How to read this manual About the unit Components and accessories Restrictions on use Safety instructions Installation Preliminary checks General instructions Determining the location of the unit Mounting the roof cowl (accessory) Hanging the unit up Regulating the discharge direction...
  • Page 3 NOZ2 G ANUAL FOR FIRED Maintenance Daily inspection Scheduled maintenance Inspecting the gas burner Adjusting the ignition electrode Cleaning the unit Servicing Access Fuses Dismantling Addresses Keywords Manual version 4.0 (06-12-2016) en-3...

  • Page 4: Introduction

    . . Introduction About this manual This manual describes the installation, commissioning and maintenance of the gas-fired air heater model NOZ G. It also provides tips and information for servicing activities and for the remedying of errors. 1.1.1 Countries where manual is applicable This manual is applicable in countries with the following coun- try codes: BE, DE, FR, GB, NL...

  • Page 5: How To Read This Manual

    NOZ2 G ANUAL FOR FIRED NTRODUCTION How to read this manual 1.3.1 Designations used in the manual The following symbols are used in the manual: Note: Refers to an important section in the text. Caution: If you do not carry out the procedure or action correctly, you may cause damage to the unit.

  • Page 6: About The Unit

    NTRODUCTION FIRED AIR HEATER 1.3.3 Related documentation In addition to this manual, the following documentation is also supplied with the unit: • wiring diagram for installation and servicing. • table of technical data • list of required components, and spare parts Manual for the control panel The method of operation for everyday use and the settings are described in the manual for the MultiTherm control panel.
  • Page 7 CE Declaration of Conformity can be found at: www.biddle.info. 1.4.7 Modifications and changes Without the approval of Biddle, no changes or modifications may be made to the unit that could adversely affect safety. The CE declaration is no longer valid if the unit has been modified or changed in any way.

  • Page 8: Components And Accessories

    NTRODUCTION FIRED AIR HEATER Components and accessories 1.5.1 Components supplied • adjustment aid, nozzle angles. 1.5.2 Accessories The accessories are described in the list of components sup- plied. 1.5.3 Components not supplied The following components required for installation must be obtained from third parties: •...
  • Page 9 NOZ2 G ANUAL FOR FIRED NTRODUCTION 1.6.3 Country in which unit is intended to be used • This unit is exclusively intended for use in the country that is specified on the type plate. Country codes OUNTRY Belgium Germany France...

  • Page 10: Safety Instructions

    NTRODUCTION FIRED AIR HEATER 1.6.5 Field of application • The unit may only be used indoors. • The unit is suitable only for dry and non-dusty environ- ments. • The unit may not be used in an environment in which cor- rosive or chemically aggressive gases or vapours are pre- sent.
  • Page 11 NOZ2 G ANUAL FOR FIRED NTRODUCTION 1.7.2 Safety in use Danger: NEVER put any objects into the inlet and discharge openings of the unit. Danger: NEVER block the inlet and discharge openings of the unit, otherwise overheating may occur. Warning: The surface of the unit and the flue pipe can become hot.

  • Page 12: Installation

    . . Installation Warning: Installation activities may only be performed by technical staff qualified for this purpose. Warning: Before starting installation: read the safety instructions. See also: 1.7.1 "Safety issues relating to installation, maintenance and ser- vicing" on page 10 1.6.2 "Required skills"...

  • Page 13: General Instructions

    NOZ2 G ANUAL FOR FIRED NSTALLATION 2.1.2 Check before installation Warning: Check the following before unpacking the unit. Install the unit only if all conditions have been complied with. • The unit must be suitable and have been adjusted for the locally available gas supply (type of gas and gas pressure).

  • Page 14: Determining The Location Of The Unit

    NSTALLATION FIRED AIR HEATER Determining the location of the unit Warning: Observe the following rules. Take into account the safety dimensions. • The unit may only be installed and used in rooms with ade- quate ventilation. • Make sure that the structure from which the unit is about to be suspended can bear the weight of the unit.

  • Page 15: Mounting The Roof Cowl (Accessory)

    NOZ2 G ANUAL FOR FIRED NSTALLATION Mounting the roof cowl (accessory) You have the option of installing a roof cowl if the unit is used for ventilation. Conduit sizes conduit 575 x 575 mm 1. Make a hole in the roof.
  • Page 16 NSTALLATION FIRED AIR HEATER 3. Hang the unit from the threaded rods: Hook the threaded rods with the lowest set of bolts in the key holes on the top of the unit. Internally, there is a locking edge under every keyhole. The bolts must lock in place behind these.
  • Page 17 NOZ2 G ANUAL FOR FIRED NSTALLATION 2.5.3 Installing the ventilation ducts (accessories) If the unit is used for ventilation, you can optionally install a ventilation duct. 1. Place the interconnecting duct 1 over the flange 2 of the unit or the damper module.
  • Page 18 NSTALLATION FIRED AIR HEATER 2.5.4 Mounting the unit to the roof cowl Caution: The unit cannot be suspended from the roof cowl. One must always make use of a suspension construction, such as a suspension frame, for example. 1. Determine the height at which the unit must hang, and if necessary, attach a channel section of the correct length to the roof cowl.

  • Page 19: Regulating The Discharge Direction

    NOZ2 G ANUAL FOR FIRED NSTALLATION Regulating the discharge direction Set the nozzles to the angle which produces the most optimal effect of the unit for the situation. For this purpose, the noz- zles are equipped with a ball-and-socket joint.

  • Page 20: Connecting The Air Supply And Flue Pipe

    NSTALLATION FIRED AIR HEATER Connecting the air supply and flue pipe 2.7.1 Special points regarding the air supply and flue pipe Roof duct • Special duct sections and pipe components must be used with the unit: the unit was approved with these compo- nents.
  • Page 21 NOZ2 G ANUAL FOR FIRED NSTALLATION Wall duct 2.7.2 Requirements for the air supply and flue pipe Warning: Danger of carbon monoxide formation and flue gases. You must observe the following rules: • Only the pipe sections and feed-through conduits specified for this unit may be used (specified in the list of compo- nents).

  • Page 22: Connecting The Unit To The Gas Supply

    NSTALLATION FIRED AIR HEATER 2.7.3 Requirements for the condensate drain condensate drain piece If the total extended length of the parts of the flue pipe (specified in the list of components) is greater than the maxi- mum dry flue length (specified in the technical data), a con- densate drain must be used.
  • Page 23 NOZ2 G ANUAL FOR FIRED NSTALLATION 2.8.2 Checking the gas connection • Blow through the gas pipe, in accordance with the nation- ally and locally applicable standards, regulations and laws. • Check the entire gas connection for leaks, in accordance with the nationally and locally applicable standards, regula- tions and laws.

  • Page 24: Connecting The Unit To The Mains Supply

    NSTALLATION FIRED AIR HEATER Connecting the unit to the mains supply 2.9.1 Special points regarding the mains supply Warning: The unit must be earthed. Warning: The unit must be connected in accordance with the applicable local requirements. Caution: For emergency situations and maintenance, it must be possible to render the entire system electrically dead.
  • Page 25 NOZ2 G ANUAL FOR FIRED NSTALLATION Opening the service compartment 1. Remove the screws 1. 2. Open the front panel 2. You can remove it, if so desired. 3. Give lock 3 a quarter turn to the left. 4. Open the door 4.

  • Page 26: Installing The Multitherm C Clock Thermostat

    NSTALLATION FIRED AIR HEATER 2.9.4 Connecting the servomotor (accessory) For models with automatic CHIPS control (Auto type) If you have installed a damper module with servomotor (accessories), you must connect this to the controller. 1. Connect the servomotor 1 in accordance with the elec- trical diagram supplied.
  • Page 27 NOZ2 G ANUAL FOR FIRED NSTALLATION 2.10.2 Installing the clock thermostat Caution: Observe the following rules, otherwise errors may occur: • Follow the instructions given in the manual of the MultiTh- erm C clock thermostat. • The control cable inside the unit must be shielded at all times.

  • Page 28: Commissioning

    . . Commissioning About commissioning The procedure for commissioning should be performed in the following situations: • once when the unit is commissioned after installation; • each time after maintenance or servicing work has been performed on the unit; • each time the unit is recommissioned after it has not been used for extended periods of time.

  • Page 29: Checks Before Commissioning

    NOZ2 G ANUAL FOR FIRED OMMISSIONING Checks before commissioning Warning: Check the following before commissioning the unit. Only do so if all the conditions are met. • The unit must be fully installed and in compliance with all regulations. •...

  • Page 30: Operating Mode

    OMMISSIONING FIRED AIR HEATER Operating mode Service button 1 and status display 2 in the ser- The operating mode serves both to start the unit and to test vice compartment Warning: The service compartment contains hot and electrically-live parts. Do not touch them when the mains supply is on.

  • Page 31: Switching On And Checking Operation

    NOZ2 G ANUAL FOR FIRED OMMISSIONING 3.3.1 Status codes on the status display General status codes TATUS CODE EANING PERATION summer ventilation The system fan is running because summer ventilation is turned on. blinking Delta T regulation In low mode, the system fan runs in Delta T regulation...
  • Page 32 OMMISSIONING FIRED AIR HEATER 3.4.2 Testing in operating mode 1. Turn on the gas tap. 2. Start the unit in operating mode by holding down the ser- vice button for 10 seconds, and check on the status dis- play that the unit starts up properly and starts to operate in low mode.
  • Page 33 - Contact the supplier. Danger: NEVER try to adjust the gas burner, unless you are instructed to do so by Biddle. See also: 1.4.5 "Type plate" on page 7 3.4.6 Adjusting the discharge range Adjust the discharge speed so that it produces the most opti- mal operation of the unit for the situation, both with and with- out heating.
  • Page 34 OMMISSIONING FIRED AIR HEATER 5. Via the clock thermostat, set the unit to operate with heating. 6. Adjust controller Rh to the lowest possible setting at which the airflow still just reaches the ground. (Feel just above the ground to see whether the airflow is reaching the ground.) Caution: Do not turn the controller off.

  • Page 35: Operation

    . . Operation General For information about settings and operation, please consult the manual for the MultiTherm C clock thermostat. Manual version 4.0 (06-12-2016) en-35...

  • Page 36: Decommissioning

    . . Decommissioning About decommissioning The unit must be put out of service in accordance with the following procedure: • if you want to switch off the unit and then not use it for a long time; • if you wish to perform maintenance or service work. Warning: When you re-commission the unit, follow the prescribed procedure.

  • Page 37: Errors

    . . Errors Danger: All work on the inside of the unit may only be carried out by personnel who are technically qualified to do so. Warning: Before you begin: read the safety instructions. Resolving simple problems If you suspect an error, first try to resolve the problem, using the table below.

  • Page 38: Reading Out And Resetting Error Messages

    RRORS FIRED AIR HEATER Reading out and resetting error messages Errors reported by the unit are shown on the status display 2 in the unit by means of an error code. Note: You can also read out and reset error messages with the MultiTherm thermostat.

  • Page 39: Remedying Errors That Are Accompanied By An Error Message

    1. Note down the error code if one is displayed. 2. Decommission the unit in accordance with the prescribed procedure. 3. Contact Biddle. Please report the error code when doing Manual version 4.0 (06-12-2016) en-39...
  • Page 40 All work on the inside of the unit may only be carried out by personnel who are technically qualified to do so. Opmerking: In the event of malfunctions, always contact Biddle. Lock-out errors CODE MEANING PROBABLE CAUSE WHAT TO DO...
  • Page 41 NOZ2 G ANUAL FOR FIRED RRORS CODE MEANING PROBABLE CAUSE WHAT TO DO A / 8 Fan error: The burner fan is not receiv- • Check the wiring. The burner fan does ing power. • Check the motor. not rotate, or does The burner fan is blocked.

  • Page 42: Maintenance

    . . Maintenance Daily inspection Biddle recommends that you perform these checks during eve- ryday use. Visual observation is sufficient here. Specific exper- tise is not required. • Check that the fan is running. • Check the thermostat for error messages.

  • Page 43: Inspecting The Gas Burner

    NOZ2 G ANUAL FOR FIRED AINTENANCE • Clean the trap of the condensate drain and refill it with water. Warning: The trap must be filled, otherwise flue gases can escape. • Measure the CO value of the flue gases, and ensure that they comply with the technical specifications.
  • Page 44 AINTENANCE FIRED AIR HEATER 8. Check air supply and air discharge. 9. If necessary, clean the inside of the burner with a vacuum cleaner. 10. If the outside of the heat exchanger is very dirty: clean it with a soft brush. Caution: Never use a steel brush.

  • Page 45: Adjusting The Ignition Electrode

    NOZ2 G ANUAL FOR FIRED AINTENANCE Adjusting the ignition electrode Correct distance between the electrode and the In order to ignite the gas burner, the ignition electrode must burner (in mm) be properly adjusted. The spark must be formed between the two electrodes, but must not arc over from the electrode to the burner.
  • Page 46 AINTENANCE FIRED AIR HEATER en-46...

  • Page 47: Servicing

    . . Servicing Warning: Servicing activities may only be carried out by personnel who are technically qualified to do Warning: Before you begin: read the safety instructions. See also: 1.7.1 "Safety issues relating to installation, maintenance and ser- vicing" on page 10 1.6.2 "Required skills"...
  • Page 48 ERVICING FIRED AIR HEATER Opening the service compartment 1. Remove the screws 1. 2. Open the front panel 2. You can remove it, if so desired. 3. Give lock 3 a quarter turn to the left. 4. Open the door 4. Warning: The service compartment contains hot and electrically-live parts.

  • Page 49: Fuses

    NOZ2 G ANUAL FOR FIRED ERVICING 8.1.3 Removing the discharge cone The system fan is located in the discharge cone. Disconnecting the discharge cone In order to remove it: • Remove screw 1. • Slightly loosen the screws 2. •...
  • Page 50 ERVICING FIRED AIR HEATER en-50...

  • Page 51: Dismantling

    . . Dismantling The dismantling of the installation and the handling of the coolant, oil and other components must be done by a quali- fied fitter in conformity with the relevant local and national legislation and regulations. Pursuant to EU legislation, used electrical and electronic appli- ances must be collected for recycling.
  • Page 52 ISMANTLING FIRED AIR HEATER en-52...

  • Page 53: Addresses

    . Addresses If you have any comments or queries relating to this product, please do not hesitate to contact your Biddle branch. Biddle bv Biddle Air Systems Ltd. Biddle France P.O. Box 15 St. Mary’s Road, Nuneaton 21 Allée des Vendanges...

  • Page 54: Keywords

    FIRED AIR HEATER . . . Keywords gas supply......22 accessories ......8 gas type .
  • Page 55 NOZ2 G ANUAL FOR FIRED safety instructions installation....10, 12 maintenance ....10, 37 servicing .
  • Page 56 It helps us to improve the documentation still further. For more information If you have any comments or queries relating to this product, please do not hesitate to contact Biddle. You will find the contact information for your Biddle branch in chapter Addresses.

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