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1611UDSBD-3GBEN, Pag. 2/36

INDEX

Warnings ..........................................................................................................................3

1. General .......................................................................................................................4

2. Installation codes .......................................................................................................4

3. Warranty .....................................................................................................................4

4. Uncrating and preparation ..........................................................................................4

5. Dimensions ................................................................................................................5

6. Technical data ............................................................................................................8

7. Flue requirements .......................................................................................................10

8. Unit heater location ....................................................................................................15

9. Hanging the unit .........................................................................................................16

10. Gas piping and pressures ...........................................................................................17

11. Electrical supply and connections ..............................................................................18

12. Check installation and start up ...................................................................................20

13. Maintenance schedule ................................................................................................24

14. Heat exchanger maintenance .....................................................................................25

15. Burner maintenance ...................................................................................................26

16. Burner orifi ce .............................................................................................................28

17. Ignition system ...........................................................................................................29

18. Blower motor .............................................................................................................29

19. Centrifugal fan ...........................................................................................................33

20. Venter motor and wheel .............................................................................................30

21. Gas valve ....................................................................................................................31

22. Combustion air pressure switch .................................................................................31

23. Limit controls .............................................................................................................32

24. Flue and combustion air system .................................................................................32

25. Troubleshooting .........................................................................................................34

26. Parts list ......................................................................................................................35

Содержание REZNOR UDSBD 015-3

Страница 1: ...missioning and or servicing Leave it with the user or attached to the appliance or gas service meter after installation Improper installation adjustment alteration service or maintenance can cause pro...

Страница 2: ...d pressures 17 11 Electrical supply and connections 18 12 Check installation and start up 20 13 Maintenance schedule 24 14 Heat exchanger maintenance 25 15 Burner maintenance 26 16 Burner orifice 28 1...

Страница 3: ...call a qualified service technician to inspect the appliance and replace any gas control that hes been immersed in water WARNING Gas fired appliances are not designed for use in hazourdous atmosphere...

Страница 4: ...b The unit is installed without proper clearances as soon as clearances are required regardless of the material being combustible c A fan model is connected to a duct system or if the air delivery sy...

Страница 5: ...as connection 4 Electrical connections 5 Service panel Rear view Side view Figure 1a UDSBD 015 3 020 3 Table 1a Dimensions mm J G K H R 1 2 4 3 P M N D A C U V E A1 Y Z X 5 UDSA 3 A A1 B C D E F G H J...

Страница 6: ...H G R 1 2 3 4 L J K H G R 1 2 3 4 Rear view mod 055 2 064 2 Table 1b Dimensions mm P M N B A C U V E A1 X Y z 5 UDSA 3 A A1 B C D E F G H J K L M N P Q R 025 030 586 590 700 546 404 1185 546 367 5 191...

Страница 7: ...ombustible materials Attention The clearance distance from the flue system must be minimum 150mm at all points Combustion air supply and flue system diameters Diameter gas connection Table 2 Clearance...

Страница 8: ...d mounting the heaters above these recommendations unless downturn nozzle options are used as significant stratification may occur resulting in poor floor coverage and higher energy losses through the...

Страница 9: ...1611UDSBD 3GBEN Pag 9 36 Figure 2a Blower curve for UDSBD 015 3 020 3 Figure 2b Blower curve for UDSBD 025 3 030 3...

Страница 10: ...ower vented heater type B the combustion air is taken from the space where heater is installed which requires only a flue pipe exhausting to outdoors All products of combustion must be flued to outdoo...

Страница 11: ...opper based alloys must not be used for condensation drains The port must be at least 450 mm away from the air heater flue connection socket Follow the flue pipe manufacturers installation instruction...

Страница 12: ...within the space where the heater is installed Ensure that an adequate air supply for combustion and ventilation is provided within the building in ac cordance with BS6230 BS5440 plus other relevant...

Страница 13: ...designed to take air for combustion from the space in which it is installed Do not re strict the combustion air intake Combustion air inlet pipe flue pipe for balanced flue installation type C applian...

Страница 14: ...EN Pag 14 36 Figure 5 Type C appli ances Combustion air and flue pipe sockets 1 Flue pipe outlet collar 2 Combustion air pipe inlet collar 1 2 Models 015 3 020 3 2 1 Models 025 3 030 3 1 2 Models 035...

Страница 15: ...e throw data in the technical data table of section 6 when determining where to suspend the heater CAUTION Do not locate the heater where it may be exposed to water For best results the heater should...

Страница 16: ...from the heater cabinet panels Be sure that the threaded hanger rods are locked to the heater as illustrated in figure 6 Recommended maximum hanger rod length is 1 8m Where longer drops are required e...

Страница 17: ...l Do not rely on the heater to support the gas pipe All sealing products shall be resistant to the action of liquefied petroleum gas or any other chemical constituents of the gas being supplied Instal...

Страница 18: ...ll glow when pushing on the switch If the light does not glow check earth line and neutral connections A burner reset switch with red indicator light is fitted on the heater To add a remote reset butt...

Страница 19: ...1611UDSBD 3GBEN Pag 19 36 Figure 8 Wiring connections on the terminal board only for illustrative purposes...

Страница 20: ...ists between the black L1 and earth ground Verify that the appliance is earthed by conducting an earth continuity test WARNING For your safety follow the instructions exactly otherwise damage or injur...

Страница 21: ...burner flame 11 Burner flame is sensed by a flame rod sensor and when the heat exchanger is warmed up 30 seconds and the fan time delay relay closes the blower motor is energized 12 If the flame is ex...

Страница 22: ...pressure Remove the ccover cap Turn the regulator screw anti clockwise to decrease pressure or clockwise to increase pressure see figure 9 Set room thermostat to lowest setting to turn OFF the burners...

Страница 23: ...r the presence of a flame This is a period of 5 seconds Note If no flame is sensed the burner relay will attempt ignition 5 times before going into lock out mode Post purge time This is the time of 30...

Страница 24: ...reated When starting the heater always follow the lighting instructions on the heater Warning If you turn off the power supply always turn off the gas Maintenance Schedule The following procedures sho...

Страница 25: ...dirt or dust accumulation Visually check the heat exchanger for cracks and holes If a crack or hole is observed replace the heat exchanger 14 Heat Exchanger Maintenance 15 Control relay ER 16 Termina...

Страница 26: ...of eye protection is recommended Burner removal Instructions for burner removal see fig 11a 1 Outside the cabinet shut the gas supply off at the manual valve ahead of the union 2 Turn off the electri...

Страница 27: ...re burner slightly to the right to disengage the burner from the supports on the left Then rotate the open end of the venturi tube outward away from the heater Carefully pull the burner assembly out o...

Страница 28: ...burner flame entrance of each tube shine a bright light into each heat ex changer section With the light shining into the heat exchanger observe the outside surface of the tube where discoloration is...

Страница 29: ...reset type Should the motor fail to run it may be because of improper voltage characteristics Make certain that the correct voltage is available at the motor Figure 17 Control relay Flame sensor Refer...

Страница 30: ...res at the control relay and ground screw located on the control panel 4 Holding the motor remove the screws that attach the motor plate to the venter housing Remove the motor and wheel assembly from...

Страница 31: ...22 Combustion air pressure switch The combustion air pressure switch ensures that proper combustion airflow is available The switch senses the differential pressure between the negative pressure in t...

Страница 32: ...tion in the case of motor failure or lack of airflow due to restrictions For locations see figure 11a Figure 23 Location LC1 LC3 Figure 24 Fan delay control KFC 24 Flue and combustion air piping Check...

Страница 33: ...1611UDSBD 3GBEN Pag 33 36 25 Troubleshooting...

Страница 34: ...d Replace if ceramic spark electrode is cracked or grounded e Check burner relay ground wire f Make certain unit is properly field grounded earthed and properly phased L1 to hot lead L2 to neutral g I...

Страница 35: ...e prop but 1st all 03 25141 Gas valve prop but 2st all 03 35136 P437 gas valve nat gas mod all 03 35145 gas valve prop but mod all 03 35136 M337 Gas valve plug wire 1st all 03 25141 V1 Gas valve plug...

Страница 36: ...01384 489 250 www ambirad co uk Registered in England N 1390934 Registered office 10 Norwich Street London EC4A 18D Nortek Global HVAC is a registered trademark of the Nortek Global HVAC Limited Becau...

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