Biddle NOZ2 G, Manual

Page 1: ...a Manual Gas fired air heater Model NOZ2 G Version 4 0 Original Manual English ...

Page 2: ...on 19 2 7 Connecting the air supply and flue pipe 20 2 8 Connecting the unit to the gas supply 22 2 9 Connecting the unit to the mains supply 24 2 10 Installing the MultiTherm C clock thermostat 26 3 Commissioning 28 3 1 About commissioning 28 3 2 Checks before commissioning 29 3 3 Operating mode 30 3 4 Switching on and checking operation 31 4 Operation 35 4 1 General 35 5 Decommissioning 36 5 1 A...

Page 3: ... 3 en 7 Maintenance 42 7 1 Daily inspection 42 7 2 Scheduled maintenance 42 7 3 Inspecting the gas burner 43 7 4 Adjusting the ignition electrode 45 7 5 Cleaning the unit 45 8 Servicing 47 8 1 Access 47 8 2 Fuses 49 9 Dismantling 51 10 Addresses 53 Keywords 54 ...

Page 4: ...is manual is applicable in countries with the following coun try codes BE DE FR GB NL If a country code for another country is listed on the packag ing and or type plate of the unit please contact your supplier 1 2 How to use this manual The manual contains important instructions for promoting the proper and safe functioning of the unit and for the prevention of accidents and damage Read through t...

Page 5: ...ctly you may cause physical injury and or damage Follow the instructions precisely Danger d Is used to designate actions that are not permitted Ignoring this prohibition may lead to serious damage or to accidents resulting in physical injury 1 3 2 Symbols used on the unit and in the manual The following symbols indicate possible risks or hazards The same symbols will also be found on the unit SYMB...

Page 6: ...warm air downwards The airflow rate ensures that the warm air is spread over a large area 1 4 2 Operation of the gas heating The discharged air is heated by a built in gas burner The burner takes in fresh air from outside and conveys the com bustion gases out of the building This is separated from the air that the unit takes in and discharges inside the building The burner has an electronic contro...

Page 7: ...could adversely affect safety The CE declaration is no longer valid if the unit has been modified or changed in any way TYPE CODE ELEMENT DESIGNATION MEANING product series NOZ2 general designation for the series capacity 25 short range gas type G20 3 gas heating gas type G20 G25 3 gas heating gas type G25 G31 3 gas heating gas type G31 DESIGNATION DESCRIPTION Type complete type code of the unit N...

Page 8: ... must be installed and maintained by qualified tech nical staff The unit must be installed in accordance with the instruc tions All restrictions on use must be complied with 1 6 2 Required skills In order to perform installation maintenance or servicing work on the unit you must be technically qualified to work with gas and electrical equipment in accordance with the locally applicable laws regula...

Page 9: ...sted and tested for the gas type indicated on the type plate If you wish to use the unit with a different type of gas con tact Biddle Danger d NEVER use the unit with a different type of gas than specified An incorrect combination of gas type and unit version can result in carbon monoxide formation and lead to overheating Gas type codes CODE COUNTRY BE Belgium DE Germany FR France GB United Kingdo...

Page 10: ...ions 1 7 1 Safety issues relating to installation mainte nance and servicing Danger d NEVER try working on the unit unless you are technically qualified Warning w When opening the unit and or the control unit The unit contains electrically live and or hot parts Be careful not to touch these when opening the unit and or control unit Warning w If you assemble or disassemble any part of the unit and ...

Page 11: ... materials away from it Warning w Keep flammable materials out of the range of the discharge of the unit Warning w If you smell gas DO NOT operate the unit Make sure no sparks occur in the same space do NOT touch electrical switches and do NOT use any telephone Turn off the gas supply Switch the mains supply off Ventilate the area Caution c Always decommission the unit in accordance with the presc...

Page 12: ...stallation maintenance and ser vicing on page 10 1 6 2 Required skills on page 8 2 1 Preliminary checks 2 1 1 Inspection on delivery Check the unit and the packaging to ensure that they have been delivered in good order Notify the driver and the supplier immediately if any shipping damage is detected Ensure that all components are present Notify supplier of any missing parts immediately See also 1...

Page 13: ...rictions on use must have been complied with See also 1 4 5 Type plate on page 7 1 6 4 Type of gas on page 9 1 6 Restrictions on use on page 8 2 2 General instructions 2 2 1 Sequence of operations When installing the unit stick to the following sequence of operations 1 Perform the checks in advance 2 Install the unit and plug it in in the order described 3 Commission the unit and check the operati...

Page 14: ...ened by the suspension of the unit The unit must hang freely in the room Note the following dimensions The unit must be able to freely take in and discharge air No combustible materials may be located within 20 cm of the unit above the inlet opening within 50 cm of the nozzle discharge It should not be possible to reach the nozzles without the use of mechanical aids See also 1 4 5 Type plate on pa...

Page 15: ...he screws in the curb as in 2 7 Mount the top 3 onto the roof cowl 8 Seal all cracks between the roof cowl and the roof with a draught free and leak proof finish 2 5 Hanging the unit up 2 5 1 Hanging the unit up 1 If you are using the suspension frame accessory Attach the suspension frame If you are not using a suspension frame Insert four threaded rods Make sure that the threaded rods are hanging...

Page 16: ...t Internally there is a locking edge under every keyhole The bolts must lock in place behind these 4 Secure the unit by tightening the top bolts against the plat ing Warning w The suspended unit must be secured 2 5 2 Mounting the damper module accessory 1 Place the flange 1 of the damper module over the flange 2 of the unit 2 Attach the flanges together using 12 screws 3 ...

Page 17: ... 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 2 Attach the interconnecting duct to the flange using 12 screws ...

Page 18: ...ake 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 2 Bring the unit to the correct height so that the flange 1 comes within the rim of the roof cowl 2 3 Attach the roof cowl to the flange using 12 screws ...

Page 19: ... 2 Measure the mounting height H of the unit This is the distance between the floor and the underside of the unit 3 From the table read out the angle α at which the noz zles must be set Nozzle angle 4 Snip off the adjustment aid 1 supplied along the dotted line which corresponds to the correct angle α 5 Hold the snipped off adjustment aid 1 against the unit and turn the nozzle 2 against the unders...

Page 20: ...s approved with these compo nents The required components are specified in the enclosed list of parts Both the air supply and the flue pipe are routed to the out side world These can be routed through both the wall and the roof With both the wall duct and the roof duct the air supply and flue pipe are combined Measurements of the air supply and flue pipe COMPONENT SIZE A 1 280 mm B 500 mm Ød 80 mm...

Page 21: ...alent length specified in the list of com ponents of the parts must not be greater than the maxi mum feed through length specified in the technical data The air supply and flue pipes must not be burdened with the weight of the unit The air supply and the flue pipe must comply with all nationally and locally applicable standards regulations and laws Warning w The flue pipes become very hot Make sur...

Page 22: ... horizontal flue pipes beyond the condensate drain piece they must be installed at an angle of at least 3 so that all condensation formed in the flue pipe can flow back into it The water outlet of the condensate drain piece must be fit ted with a trap The trap is specified in the technical data The condensate drain and the trap must comply with all nationally and locally applicable standards regul...

Page 23: ...h 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 Caution c When pressurising the connecting pipe above 60 mbar the gas tap must be closed 2 8 3 Connecting the gas supply 1 Connect the gas connection to 1 ...

Page 24: ...em electrically dead Every unit has an isolation switch in order to render the unit electrically dead in the event of emergency situations and for maintenance Warning w Also do be sure to switch off the mains supply if you are going to conduct maintenance on or make repairs to electrical components 2 9 2 Accessing the service compartment About the service compartment The service compartment contai...

Page 25: ...r 4 Warning w The service compartment contains hot and electrically live parts Do not touch them when the mains supply is on 2 9 3 Connecting the mains supply Warning w Make sure that the mains supply is switched off 1 Route the mains power cable through the free cable gland 1 2 Connect the mains supply cable to the terminal block 2 in accordance with the wiring diagram 3 Tighten the cable gland C...

Page 26: ...or the damper module 2 10 Installing the MultiTherm C clock thermostat The gas burner in the unit is controlled by the MultiTherm C clock thermostat 2 10 1 Special points regarding the clock thermostat The gas burner in the unit is controlled by the MultiTherm C clock thermostat The clock thermostat is connected to the control electronics in the unit by means of the Argus Link bus system Up to a m...

Page 27: ... 1 Install the clock thermostat in accordance with the rele vant manual 2 Route the control cable through the free cable gland 1 3 Connect the control cable to the terminal block 2 in accordance with the wiring diagram 4 Tighten the cable gland 5 Connect the control cable to the clock thermostat in accordance with the relevant manual 6 If necessary set the DIP switches on the control electron ics ...

Page 28: ...been used for extended periods of time The procedure including all checks must be performed fully and in the described sequence Before starting be sure to familiarise yourself with the cor rect operation and functioning of the unit 3 1 1 Safety instructions Warning w The unit may only be commissioned by technically qualified personnel Warning w Before you begin read the safety instructions See als...

Page 29: ...y and the flue pipe must be present and in good condition All restrictions on use must have been complied with It must be possible to use the unit safely in accordance with the safety instructions See also 2 3 Determining the location of the unit on page 14 1 7 2 Safety in use on page 11 1 6 Restrictions on use on page 8 2 7 2 Requirements for the air supply and flue pipe on page 21 2 7 3 Requirem...

Page 30: ...econds in order to start the unit The unit begins to start up in low mode The status dis play 2 will display l alternating with status codes after which the unit will start shining in low mode 2 Press the service button once again The unit will start operating in high mode The display will show h alternately with a status code 3 Press the service button once again The unit will start working in no...

Page 31: ...e The system was started in high mode using the service button If the unit starts burning it will do so in high power mode a and a number alternating lock out error In order to remove the error this must be reset e and a number alternating block out error The error is automatically cancelled when the cause is removed STATUS CODE OPERATION STEP OPERATION 0 stand by Ready for operation 1 pre purging...

Page 32: ...tomatically This is controlled by the MultiTherm thermostat Starting up takes about 1 minute The unit will always remain on for at least 4 minutes The unit defaults to the Delta T regulation This is described in the MultiTherm thermostat manual 3 4 4 Simulating an error in the gas burner 1 Simulate an error by turning off the gas tap 2 Try restarting the unit by operating the thermostat and verify...

Page 33: ...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 1 Ensure that the nozzles are adjusted to the correct angle as described in 2 6 Regulating the discharge direction 2 V...

Page 34: ...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 c Do not turn the controller off 7 Close the front panel and fasten the screws See also 2 6 Regulating the discharge direction on page 19 ...

Page 35: ...Manual version 4 0 06 12 2016 en 35 en 4 Operation 4 1 General For information about settings and operation please consult the manual for the MultiTherm C clock thermostat ...

Page 36: ...n you re commission the unit follow the prescribed procedure 5 2 Procedure for decommissioning 1 Allow the unit to stop by controlling it with the thermo stat 2 Allow the unit to cool down and wait until both the fan and the burner have stopped Danger d NEVER interrupt the mains supply abruptly This can cause the unit to overheat 3 Set the isolation switch on the unit to position 0 Off 4 Disconnec...

Page 37: ... CAUSE WHAT TO DO The unit does not work The unit has no power supply Check the mains supply The set room temperature has been reached This is not an error If necessary set a higher temperature The fan has switched off the unit because the temperature has become too high 1 Turn the unit off 2 Allow the unit to cool down 3 Turn the unit on The unit is not discharging much air The unit is set at too...

Page 38: ...r to reset these errors press briefly on the service button 1 e displayed alternating with a number These errors are automatically cancelled when the cause has been removed 6 3 Remedying errors without an error message If you suspect an error but no error message is displayed 1 Using the preceding section examine whether the prob lem can be remedied in a simple manner 2 Try to resolve the problem ...

Page 39: ...rescribed procedure 3 Contact Biddle Please report the error code when doing so PROBLEM PROBABLE CAUSE WHAT TO DO The unit does not work The unit has not been put into operation Put the unit into operation in accordance with the procedure The unit is not receiving power Check that the isolation switch is set to position 1 ON Check the connections and wiring of the power supply There is no gas supp...

Page 40: ...e control system A 2 Heat exchanger too hot The heat exchanger has become too hot Check the fans Check the settings of the gas valve A 3 Sensor error The two internal temperature sensors are differing too much Turn the sensor a quarter turn so that the temperature is measured at a different point Measure the resistance of each sensor This should be 20K at 25 and 25K at 20 Replace the resistor if i...

Page 41: ...e connection and operation of the pressure switch CODE MEANING PROBABLE CAUSE WHAT TO DO CODE MEANING PROBABLE CAUSE WHAT TO DO E 0 Internal error Faulty circuit board Replace the circuit board E 1 1st temperature safety device The heat exchanger has become too hot Check the fans Check the settings of the gas valve E 2 Selection resistor Unit recognition does not work Check the connection of the s...

Page 42: ...out by personnel who are technically qualified to do so 7 2 1 Inspection and preventive maintenance once a year The following checks and maintenance activities must be per formed annually by qualified technical staff Inspect the casing the suspension or mounting structure and the securing of the unit Inspect the gas lines Inspect the air intake opening and the flue pipe Inspect all wiring between ...

Page 43: ... the unit on page 45 3 4 5 Checking the flue gases on page 33 7 3 Inspecting the gas burner Warning w The activities listed below may only be carried out by personnel who are technically qualified to do so The gas burner should be internally inspected and cleaned out annually by technically qualified staff Removing the burner 1 Decommission the unit in accordance with the instruc tions 2 Open the ...

Page 44: ...eel brush 11 Clean the fan grille with a vacuum cleaner and a brush 12 Replace the burner Caution c Use new gaskets 13 Commission the unit and check its operation in accord ance with the instructions See also 3 Commissioning on page 28 5 Decommissioning on page 36 1 7 1 Safety issues relating to installation maintenance and ser vicing on page 10 3 2 Checks before commissioning on page 29 8 1 2 Acc...

Page 45: ...electrode to the burner Improper adjustment can result in violent ignition Correct distance between the electrodes mutually in mm In order to reach the ignition electrode Open the service compartment Loosen screws 1 and remove the electrodes 2 or take the burner out in its entirety See also 8 1 Access on page 47 8 1 2 Accessing the gas burner on page 48 7 5 Cleaning the unit You can clean the exte...

Page 46: ...MAINTENANCE GAS FIRED AIR HEATER en 46 en ...

Page 47: ...structions See also 1 7 1 Safety issues relating to installation maintenance and ser vicing on page 10 1 6 2 Required skills on page 8 8 1 Access 8 1 1 Accessing the service compartment About the service compartment The service compartment contains among other things the burner the burner fan the control electronics and display electronic connections connections for the mains supply and the thermo...

Page 48: ...left 4 Open the door 4 Warning w The service compartment contains hot and electrically live parts Do not touch them when the mains supply is on 8 1 2 Accessing the gas burner The gas burner contains the ignition electrode the burner bed Removing the burner 1 Open the service compartment 2 Loosen the 6 socket screws 1 3 Remove the burner 2 with fan and all See also 8 1 Access on page 47 ...

Page 49: ...ated in the discharge cone Disconnecting the discharge cone In order to remove it Remove screw 1 Slightly loosen the screws 2 Turn the cone slightly and remove it 8 2 Fuses Specifications of the fuses LOCATION DESCRIPTION SPECIFICATION 1 fuses F1 and F2 for the electronics T 5A 2x 2 fuses F7 and F8 for the power supply T 3 15 A 2x ...

Page 50: ...SERVICING GAS FIRED AIR HEATER en 50 en ...

Page 51: ...t local and national legislation and regulations Pursuant to EU legislation used electrical and electronic appli ances must be collected for recycling By ensuring that this product is disposed of in the correct manner you are helping to prevent potential negative consequences for the environ ment and public health For more information about this please contact your supplier or the relevant governm...

Page 52: ...DISMANTLING GAS FIRED AIR HEATER en 52 en ...

Page 53: ...eg 455 B 2800 Malines Belgium T 32 0 15 28 76 76 E biddle biddle be I www biddle be Biddle France 21 Allée des Vendanges 77183 Croissy Beaubourg France T 33 0 1 64 11 15 55 E contact biddle fr I www biddle fr Biddle GmbH Emil Hoffmann Straße 55 59 50996 Cologne Germany T 49 0 2236 9690 0 E info biddle de I www biddle de en Manual version 4 0 06 12 2016 en 53 10 Addresses If you have any comments o...

Page 54: ...etermine location 14 disabling 36 discharge range 33 dismantling 51 E errors 37 delete 38 reading out 38 F flue pipe 20 fuses 49 G gas supply 22 gas type 7 I inspecting gas burner 43 installation 12 clock thermostat 26 roof cowl 15 ventilation duct 17 installing ventilation duct 17 M mains supply 24 maintenance 42 modifications 7 MultiTherm C clock thermostat 26 O operating mode 30 operation 35 P ...

Page 55: ...ctions installation 10 12 maintenance 10 37 servicing 10 47 usage 11 service button 30 servicing 47 servomotor 26 status display 30 strength 33 suspension 15 switching ON 31 symbols 5 T technical data 6 type code 6 type designation 6 type plate 7 W wiring diagram 6 Z zekeringen 49 ...

Page 56: ... of sale and supply At all times Biddle shall not be held liable for consequential damages Liability as regards the manual Although great care has been taken to ensure the correct and where necessary complete description of the relevant components Biddle shall not be held liable for damages as a consequence of errors and or imperfections in this manual Biddle reserves the right to alter the specif...