Biddle NOZ2 25 Manual Download Page 64

Page: 64 / 88

en-64

. . 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.

vicing" on page 12

5.1

Resolving simple problems

If you suspect an error, first try to resolve the problem, using
the table below. You do not have to be an expert in order to
do this.

If this fails to resolve the problem, there may be a fault; in that
case, alert the installer.

Some problems can be resolved simply by resetting the sys-
tem once. (see

5.2

Error messages on the control panel

Reset system)

ROBLEM

ROBABLE

CAUSE

HAT

The unit does not work.

The unit has not been switched on

Switch the unit on

The unit has no power supply.

Check the mains supply:

• isolation switch,

The unit has been switched off by
external control components

Check external control compo-
nents, if present:

Summary of Contents for NOZ2 25

Page 1: ...a Manual Air heater Model NOZ2 Version 6 0 North America Original Manual English...

Page 2: ...2 9 Installing the b control continuously variable controller 31 2 10 Installing the b touch control panel 34 2 11 Installing external controls 37 2 12 Unit finishing 42 2 13 Switching ON and checking...

Page 3: ...r 73 7 Service 74 7 1 Replacing the fan 74 7 2 Electronics module 75 7 3 Removing the control circuit board 76 7 4 Connecting the control circuit board 76 7 5 Fuses 77 7 6 LEDs 77 7 7 Setting the unit...

Page 4: ...read this manual 1 2 1 Designations used in the manual The following symbols are used in the manual Note n Refers to an important section in the text Caution c If you do not carry out the procedure or...

Page 5: ...d documentation In addition to this manual the following documentation is also supplied with the unit wiring diagram for installation and servicing 1 3 About the unit 1 3 1 Applications The air heater...

Page 6: ...or Corrective Heat and Impulse Prediction Sys tem Control when unit on For the most efficient effect it is important that the airflow just touches the floor and is heated sufficiently The unit con tin...

Page 7: ...planation of the type code TYPE CODE ELEMENT DESIGNATION MEANING product series NOZ2 general designation for the series capacity 25 short range 25V short range suitable for ventilation 50 long range 5...

Page 8: ...e type code of the unit Code configuration code No serial number production week and year M weight of unit Medium medium pmax maximum permissible operating pres sure U power supply voltage Imax max cu...

Page 9: ...ery dusty or aggressive air conditions Biddle shall not be held liable for damage caused by use in such situations TYPE OF UNIT MAXIMUM POWER MAXIMUM PERMITTED DISCHARGE TEMPERATURE MAXIMUM WATER FLOW...

Page 10: ...isy chain units of equal capacity Caution c With Auto type unit The total cable length between the first and the last unit may be 100m at maximum Note n Consult your Biddle advisor if you wish to conn...

Page 11: ...ge for basic control b control continuously variable controller Operating package for automatic CHIPS control b touch control panel Biddle control cable room sensor water side control valve and drive...

Page 12: ...operation Caution c In exceptional situations water may run out of the unit Therefore do not place anything under the unit that could be damaged as a result 1 5 2 Safety issues relating to installatio...

Page 13: ...eating elements can get very hot 4 Disconnect the mains supply switch off the isolation switch Caution c For models NOZ2 50 with automatic CHIPS control The units are equipped with 2 mains power cable...

Page 14: ...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 S...

Page 15: ...heck that the unit is working properly General instructions Some parts of this section only apply to certain models Where this is the case it will be indicated If no specific model is referred to then...

Page 16: ...unit may get hot The unit must have at least 20 cm 8 NOZ2 25 or 30 cm 12 NOZ2 50 clearance from the ceiling Note n In the case of multiple units where the water valve must be connected in series you...

Page 17: ...oof 2 Make a curb 1 around the hole 3 Fit roof covering over the curb 4 Remove the top 3 of the roof cowl by loosening the bolts 5 Place the roof cowl over the curb 6 Using screws attach the cowl to t...

Page 18: ...e inlet grille 1 2 Remove the inlet grille 2 5 2 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 t...

Page 19: ...secured 2 5 3 Mounting the filter module accessory The unit can be fitted with a filter module The section can be mounted on the unit or on a damper module The illustrations alongside the instructions...

Page 20: ...ctions are based on the mounting of a 3 way damper module on a filter module The actions required for the mounting of a 1 way damper module to the unit are the same as this 1 Place the flange 1 of the...

Page 21: ...2 4 Mounting the roof cowl accessory on page 17 2 6 Regulating the discharge direction Set the nozzles to the angle which produces the most optimal effect of the unit for the situation For this purpo...

Page 22: ...lose a maximum of 2 nozzles A set of 2 caps is available as an accessory 6 Repeat step 5 for all nozzles Note n For models with automatic CHIPS control Note down the nozzle angle and the mounting heig...

Page 23: ...lusion of a valve in both pipes Danger d Take measures to limit the discharge temperature Take account of the critical discharge temperatures and water flow paths The application limits for this are s...

Page 24: ...er side controls for models with automatic CHIPS control Caution c A maximum of 5 units having a control valve can be connected in series per control circuit board Consult Biddle if you want to connec...

Page 25: ...ance with the wiring diagram For models with recirculation Use connection X67 6 For models with ventilation Use connection X370 7 6 For models with recirculation Connect if applicable the drive among...

Page 26: ...llary tube 7 through the hole 8in the elec tronics housing For this purpose the grommet in the hole is provided with an opening If necessary twist the grom met with the opening upwards 5 Lead the sens...

Page 27: ...freez ing 2 If the temperature of the discharged air falls to below 2 C 36 F and the temperature of the intake falls below 8 C 46 F the control panel will temporarily display error mes sage E6 the fan...

Page 28: ...the applicable local requirements Maximum ratings are specified on the type plate Warning w Each unit must be fused in accordance with the table below Fuse ratings Note n A single fuse may only be use...

Page 29: ...the entire system electrically dead Every unit has an isolation switch in order to make mainte nance easier Warning w Also do be sure to switch off the mains supply if you are going to conduct mainte...

Page 30: ...diagram supplied Caution c Do not switch on the mains supply yet Note n Do not close the housing of the electronics yet Connect the control circuit board Only regarding NOZ2 50 with automatic CHIPS c...

Page 31: ...Various control units are available for the NOZ2 air heater This chapter describes the installation of the b control continu ously variable controller that is used on units having a basic control Bas...

Page 32: ...mains supply on which you are working has been turned off Caution c When installing the unit use the wiring diagram supplied 1 Remove the adjustment button 2 Remove the hexagonal nut 3 Remove the shut...

Page 33: ...the unit via the cable gland at the top of the electronics housing 2 Connect the cable to terminal block X60 1 in accord ance with the wiring diagram supplied Connecting multiple units with a single...

Page 34: ...from electromagnetic fields and interference sources such as high voltage cables and fluorescent light starters for example Lay the control cables out straight or roll them in a bifilar coil by foldi...

Page 35: ...e applied in combination with a single control panel Configure any single unit as the master The sequence of the connected units is not important Connect the control panel and the external control com...

Page 36: ...e put back into the wall holder when the power supply of all the connected units has been switched on 2 10 3 Connecting the control panel to the unit Warning w Make sure that the mains supply group wi...

Page 37: ...n c The inputs of multiple units must NOT be connected to each other Note n With the setting All units off and with the NC Normally Closed settings of function 60 Function of inputs a jumper must be l...

Page 38: ...e type designation on the type plate Take the following into account otherwise errors may occur Keep the length of the cable as short as possible Keep the cable away from electromagnetic fields and in...

Page 39: ...nal is to be connected in series with several other units Lay the cable to the unit which is going to serve as the master 2 Connect the alarm cable to the appliance on which the alarm signal must be r...

Page 40: ...us and possibly BACnet is available at www biddle info Communication parameters The Modbus system must comply with the following communi cation parameters The turnaround time between the unit and Modb...

Page 41: ...an be recognised by the addition Auto on the type designation on the type plate In the case of BACnet Lay the cable between the gate way and the unit 2 Attach the cable to the unit in accordance with...

Page 42: ...the cover2 and fas ten the screws 1 at the bottom of the housing 2 13 Switching ON and checking operation For all models 1 Check the following connections power supply control cable s between control...

Page 43: ...ay to the left Turn it to the right until the switch clicks Carefully turn it to the left until you feel resistance but the switch does not quite click Set the desired minimum voltage using a screwdri...

Page 44: ...he screw on the underside During the first start up the installation guide is initiated Go through this in order to make the most necessary set tings If the installation guide is not displayed it can...

Page 45: ...ke some time and is dependent on the need for heating 5 Vent the heat exchanger 6 Adjust the unit on the water side Caution c For models with basic control type Basic without application of water side...

Page 46: ...ation switch on the unit is only needed during maintenance and servicing 3 2 Switching ON and OFF When the controller is set to strength 0 the unit is switched OFF Turn the knob of the controller cloc...

Page 47: ...tion This section describes the functions of the b touch control panel which are required for setting up the unit Note n After installation the control panel may possibly be removed See 2 10 1 Special...

Page 48: ...he unit Switching the heating ON and OFF Entering settings to adjust the operation of the unit to your situation 4 1 2 Multiple units operated from a single control panel If multiple units are connect...

Page 49: ...n the operation where you are by touching Help 4 2 2 Turning the unit ON and OFF You can switch the unit ON and OFF manually using the con trol panel Touch on off in order to turn the unit ON or OFF I...

Page 50: ...tched on it is always in automatic mode If you wish to use the unit in manual mode only switch off the automatic mode via menu Settings 1 Select modes In the manual mode the unit operates with a fixed...

Page 51: ...nd for instructions as to how to react Warning w Some errors may cause damage or danger to persons if they are disregarded If is displayed follow the instructions on the control panel concerning how t...

Page 52: ...Touch the screen for 5 seconds to unlock it Turning the heating on and off The unit s heating can be switched on and off manually Switching the heating off disables the room temperature con trol and a...

Page 53: ...he use of the control panel Set language The control panel offers a choice of languages Choose your preferred language from the list Set date and time The date and time are necessary for the timer fun...

Page 54: ...e between the room temperature and the discharge temperature This difference can be increased for more comfort A smaller difference saves energy 8 Night temperature The night temperature is used when...

Page 55: ...can also be done via the internal timer or via an external release signal on the unit In this case you can disable the manual on off option The on off button is then not displayed on the Home screen...

Page 56: ...temperature more quickly Set the temperature difference at which the boost function should be activated and what the fan s increase in speed should be 35 Ventilation settings Only for models with ven...

Page 57: ...height In order to use the automatic control as efficiently as possible and with minimum energy consumption it is necessary to set the installation height of the unit correctly Note n Use values in m...

Page 58: ...act is closed This only works with the units to which the input signal is directly connected locally 6 Heating off The heating is switched OFF when the contact is closed 9 Release NO The user is allow...

Page 59: ...n question 11 Fan active NO The contact is closed when the fans are running 13 Heating on The contact is closed when the unit requires heating Use this to switch the heating system ON or OFF via the u...

Page 60: ...it will run for 120 minutes at the highest fan speed and with the highest heating capacity You can check the discharge temperature and the heating capacity per metre of unit length The discharge tempe...

Page 61: ...st Note n The installation guide will be restarted Reset system The control panel searches for connection with the attached units again Use this function when remedying errors and dur ing connection o...

Page 62: ...le s website See also 7 10 Updating the software Upload logo It is possible to use your own logo or image as background for the display Requirements for the image Windows bitmap Filename logo bmp Dime...

Page 63: ...drive These files can then be ana lysed on a computer The files contain the following data log_func Data concerning the operation of the unit log_error Error report history log_user User settings his...

Page 64: ...ing the table below You do not have to be an expert in order to do this If this fails to resolve the problem there may be a fault in that case alert the installer Some problems can be resolved simply...

Page 65: ...ts which have automatic regulation and b touch control panel The control panel display is black The control unit has no power sup ply Check the mains supply plug in the power socket isolation switch T...

Page 66: ...this message to display the error history and to read out the last five errors and the times of their occurrence This list can also be read out via menu Maintenance Error history This message will di...

Page 67: ...connected unit due to incorrect cabling due to a fault 1 Check whether all connected units are provided with mains supply 2 Check whether the dummy plug on terminal X535 of the last connected unit is...

Page 68: ...2 Check the fans If one or more fans do not work then check the fan wiring the connections on the control circuit board X344 the transformer fuse the transformer itself If these are in order then repl...

Page 69: ...t needs venting 3 Check the wiring and connectors of the valve drive X67 X370 and the inlet temperature sensor X360 4 Remove the drive from the valve and check the interior for mechanical operation an...

Page 70: ...ting type DKE Heating medium sensor does not work The electrical heating is not switched on in the defrost mode 1 Check the wiring and the connection of the medium sen sor connector X354 2 Possibly re...

Page 71: ...eck fuse F141 2 Check the mains power cable connector X01 3 Replace the control circuit board The control panel is faulty Check the control panel by connecting it to another unit with another cable Re...

Page 72: ...staller are described in chap ter 7 Service 6 2 Safety instructions Before opening the unit follow the safety instructions in sec tion 1 5 2 Safety issues relating to installation maintenance and serv...

Page 73: ...You can clean the filter material with a vacuum cleaner for instance After several cleanings however you must replace it New filters are available from Biddle 1 Undo screws 1 and 2 2 is not visible in...

Page 74: ...installation maintenance and ser vicing on page 12 7 1 Replacing the fan 1 Switch the unit off using the control unit 2 Set the isolation switch to 0 3 Detach the fan s mains power cable from the isol...

Page 75: ...en the bolts 8 The base plate is attached to the cabinet with 16 NOZ2 25 or 20 NOZ2 50 screws Loosen these screws 7 and remove the base plate 9 Mount the whole thing in reverse order to the disman tli...

Page 76: ...t and earth connections from the control circuit board 4 Remove the screw 3 5 Slide the control circuit board 4 loose and lift it out of the unit 7 4 Connecting the control circuit board Warning w Mak...

Page 77: ...mer fuse F141 2 of the control circuit board fuses for the fans 3 for the NOZ2 25 there are 2 fuses for the NOZ2 50 there are 3 fuses for the IndAC2 ST there are 2 fuses for the IndAC2 MX there are 3...

Page 78: ...ode using this method will only work if just a single unit is connected to the control panel If necessary connect the control panel separately to the unit in question 1 Select menu Maintenance Unit co...

Page 79: ...flash drive 7 9 Copying the settings The settings of the unit can be copied to another unit 7 9 1 What you need Before copying the setting check that you have the following An empty USB flash drive Th...

Page 80: ...e imported is visible settings_export txt 3 When this has been completed disconnect the USB flash drive from the control panel 4 Repeat steps 1 to 3 for each control panel to which you wish to apply t...

Page 81: ...ort on your PC 2 On your PC go to Biddle s website and look under Down loads 3 Look for your product and the available software for your unit 4 If the software version is more recent than the version...

Page 82: ...Software update to update the software 3 When this has been completed disconnect the USB flash drive from the control panel 7 11 Composition of the Biddle control cable The control cable for the cont...

Page 83: ...ied out by a qualified fitter in accordance with the relevant local and national legislation and regulations By ensuring that this product is disposed of in the correct manner you are helping to preve...

Page 84: ...DISMANTLING AIR HEATER en 84 en...

Page 85: ...iddle nl Biddle Air Systems Ltd 11 King St Unit 3 Barrie ON L4N 6B5 Canada T 705 797 0007 E biddle biddle ca I www biddle ca en Manual version 6 0 North America 10 03 2017 en 85 9 Addresses If you hav...

Page 86: ...etermine location 16 disable 46 discharge temperature maximum 8 dismantling 83 E electronics module 75 errors 51 64 delete 67 reading out 66 F filter cleaning 73 replacing 73 finishing 42 frost protec...

Page 87: ...nting to unit 21 room sensor 38 S safety instructions installation 12 14 maintenance 12 64 72 service 12 74 usage 12 service 74 servomotor 31 stop bits 40 strength 46 50 suspension 18 switching ON 42...

Page 88: ...f 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 co...

Search results

Summary of Contents for NOZ2 25

Reviews:

Related manuals for NOZ2 25

Brands by name

Popular brands

Biddle NOZ2 25, Manual

Search results

Summary of Contents for NOZ2 25

Reviews:

Related manuals for NOZ2 25

Brands by name

Popular brands