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Summary of Contents for Biddle NOZ Series
- Page 1 User’s and Installer’s Guide indirect fired air heater Model NOZ Version of Guide: 1.3...
- Page 2 Copyright and trademarks All the information and drawings in this manual are the property of Biddle and may not be used (other than for the actual operation of the device), photocopied, duplicated, translated and/or be brought to the attention of third parties without Biddle’s prior written permission.
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Page 3: Table Of Contents
’ ’ S AND NSTALLER UIDE . . . Table of contents Introduction About this guide How to use this guide 1.2.1 For whom is this guide intended? 1.2.2 Marginal symbols 1.2.3 Pictograms on the device and in the guide 1.2.4 Related documentation About the device... - Page 4 AIR HEATER Troubleshooting 4.4.1 Device does not work 4.4.2 Device does not heat or heats insufficiently Service Introduction Safety instructions Replacing the fan Replacing the heat exchanger Replacing a nozzle Replacing the main isolating switch Index EC declaration of agreement...
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Page 5: Introduction
’ ’ S AND NSTALLER UIDE NTRODUCTION . . Introduction About this guide This guide describes the features and correct use of the air heater. Installation and repair are also described. The guide contains important information for the correct functioning, operation and maintenance of the device. This document also contains important instructions for preventing potential accidents and damage while the device is in operation and for ensuring that the device functions as safely... -
Page 6: Pictograms On The Device And In The Guide
NTRODUCTION AIR HEATER Caution: If you do not perform this procedure or action correctly you can damage the device. So follow the instructions carefully. Warning: If you do not perform this procedure or action correctly you can cause bodily injury and/or damage. So follow the instructions carefully. -
Page 7: About The Device
NOZ 50 with supply voltage E. 1.3.4 Type plate Type NOZ 25-W2-E You will find the type plate behind the cover of the isolating Biddle bv Code - U 230 V 1N~ 50 Hz Markowei 4 Nº 205010/1-1 00-01 L1 2.7 A... - Page 8 NTRODUCTION AIR HEATER • waterside control; • room thermostat; • frost protection thermostat; • set of nozzle caps. Ventilation accessories: • roof cowl; • interconnecting ducts; • filter module (G2); • damper module; • damper motor.
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Page 9: Safety Instructions
’ ’ S AND NSTALLER UIDE NTRODUCTION Safety instructions Caution: The following instructions are essential for the safe use of the device: • Do not insert any objects into the suction openings or the nozzles. • Never block the suction openings or the nozzles. You are, however, allowed to cover a maximum of 2 of the nozzles with the caps provided. - Page 10 NTRODUCTION AIR HEATER...
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Page 11: Installation
’ ’ S AND NSTALLER UIDE NSTALLATION . . Installation Delivery check 1. On delivery, check the device and packaging. Report any transport damage to the supplier immediately. 2. Make sure that all parts (incl. any accessories which you might have ordered) have been supplied. Preparations for installation 2.2.1 Placement of the device 1. -
Page 12: Operation
In Table 2-1 you will find the relevant Return specifications of the device. 2. Connect the hot water pipes. Biddle recommends fitting an isolating valve in both pipes. Optionally you can fit a waterside control to regulate the discharge temperature 512/738 (see section 2.4.1). -
Page 13: Fitting The Roof Cowl
’ ’ S AND NSTALLER UIDE NSTALLATION 2.2.4 Fitting the roof cowl 1. Make a hole in the roof. The dimensions are shown in Table 2-2. Table 2-2 Dimensions of roof vent flange flange opening 575 x 575 mm 800 x 800 mm 2. -
Page 14: Installation Of Accessories
NSTALLATION AIR HEATER 3. Hang the device up, on the lower set of bolts. At least 2 people are required for this task: the weight is shown on the type plate (see section 1.3.4): Push the bolts through the keyholes in the upper face of the device (movement 1). -
Page 15: Waterside Control
’ ’ S AND NSTALLER UIDE NSTALLATION 2.4.1 Waterside control The device can be equipped with a waterside control. This controls the water supply to the heat exchanger so that a constant discharge temperature is achieved. The control can also be used to limit the discharge temperature; too high a discharge temperature (above 50 °C) adversely affects the performance of the device and shortens the service life of the components. -
Page 16: Filter Section
NSTALLATION AIR HEATER 2.4.2 Filter section The device can be fitted with a filter section. The section can be mounted on the device itself or on a damper section. The illustrations accompanying the instructions show the filter section being fitted onto the device. The procedure for fitting on a damper section is identical. -
Page 17: Roof Cowl
’ ’ S AND NSTALLER UIDE NSTALLATION 2.4.4 Roof cowl The device can be connected to a roof cowl (see section 2.2.4 ’Fitting the roof cowl’ on page 13). The roof cowl can be attached to the damper section or the filter section. It is also possible, however, to fit channels between a section and the roof cowl. -
Page 18: Function Check
NSTALLATION AIR HEATER 1. Fit the control unit. 2. Connect the control unit to the power supply cable (running to the device). 3. If applicable: connect the external controls to the control unit. The control unit has two free contacts for connecting, for example, a room thermostat or a timeswitch. -
Page 19: Operation
’ ’ S AND NSTALLER UIDE PERATION . . Operation Introduction The air heater is controlled during operation via the operating switch. There are no control elements on the device itself. The isolating switch on the device is only required during maintenance. - Page 20 PERATION AIR HEATER...
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Page 21: Maintenance
’ ’ S AND NSTALLER UIDE AINTENANCE . . Maintenance Introduction This chapter contains the maintenance actions which the user himself can perform. The maintenance and repairs which have to be performed by an installer are described in chapter 5 Service. Safety instructions Before opening the device: follow the instructions in section 1.4. - Page 22 AINTENANCE AIR HEATER Troubleshooting 4.4.1 Device does not work Check the following points. If the device still appears to be defective after you have run through them then notify the installer. 1. Is the device switched on: Is the isolating switch on? (The switch should be vertical.) Is the control switch on? (Is the ‘in operation’...
- Page 23 ’ ’ S AND NSTALLER UIDE ERVICE . . Service Introduction The following procedures may only be performed by trained individuals (e.g. the installer). Safety instructions Before opening the device: follow the instructions in section 1.4. Replacing the fan 1. Set the control switch to position 0. 2.
- Page 24 ERVICE AIR HEATER 8. The bottom-plate is connected to the cabinet with 16 (NOZ 25) or 20 (NOZ 50) screws. Loosen these and remove the bottom-plate. 9. Install the unit by following the disassembly steps in reverse order. Extend the power supply cable if necessary. 10.
- Page 25 ’ ’ S AND NSTALLER UIDE ERVICE 9. The heat exchanger is connected with the top-plate via two screws 2. Remove these screws. When doing this support the heat exchanger. The heat exchanger will come loose when you remove these screws. 10.
- Page 26 ERVICE AIR HEATER Replacing the main isolating switch 1. Set the control switch to position 0. 2. Switch off the group. 3. Set the isolating switch to 0. 4. Open the housing of the isolating switch: loosen the screw at the bottom of the housing 1 and tilt the cover upwards to remove 2.
- Page 27 ’ ’ S AND NSTALLER UIDE . . . Index accessories ......7 main isolating switch address .
- Page 28 EG-verklaring van overeenstemming voor machines (richtlijn 98/37/EG, bijlage II A, richtlijn 89/336/EEG en richtlijn 73/23/EEG) Middels dit schrijven verklaren wij, Biddle BV, dat het hieronder genoemde product in overeenstemming is met de bepalingen van de Machinerichtlijn 98/37/EG, de EMC-richtlijn 89/336/EEG en de Laagspanningsrichtlijn 73/23/EEG zoals laatstelijk gewijzigd.
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