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0505T2D0GBEN

 

14/21 

8.14  Clean burners and gas jets with soft brush and 

compressed air. To prevent damage, do not use hard 
objects for cleaning the gas injectors 

 
8.15   If anchor lines of service panels are removed during 

servicing, they must be refitted upon completion of the 
service. 

 

8.16

  Upon completion of any service work it is necessary to 

re-commission the appliance in accordance with the 
step procedure described in section 7.7.2 of this 
document. 

  
 

 Fig. 9  SERVICE ACCESS KEYS                                           Fig.10 IGNITER ASSEMBLY

 

 

 

 

 

 
 

 

 
 

Fig. 11 

REMOVAL OF COMBUSTION AIR FAN (VENTER) MOTOR FAN IMPELLER ASSEMBLY

 

 

CRITICAL DIMENSIONS 

 

 
 
8.15   TO REMOVE COMBUSTION AIR FAN: 

 
1. 

Disconnect electrical connections to fan motor. 

2. 

Remove motor and venter wheel (3 screws). 

3. 

Withdraw motor/impeller assembly sideways. 

 
 
4. 

Clean venter housing. 

5. 

Check, clean or replace motor and/or venter wheel. 

6. 

Replace in reversed order after checking critical 
dimensions (fig. 11) 

 
 
 
 
 
 

Summary of Contents for Euro-T 2025D

Page 1: ... B22 C12 C32 INSTALLATION COMMISSIONING SERVICING USER INSTRUCTIONS These appliances meet the following EC Directives Dir CE 90 396 EEC GAD Dir CE 89 336 EEC EMC Dir CE 73 23 EEC LVD PLEASE READ THIS DOCUMENT CAREFULLY BEFORE COMMENCING INSTALLATION AND LEAVE IT WITH THE USER OR ATTACHED TO THE APPLIANCE OR GAS SERVICE METER AFTER INSTALLATION ...

Page 2: ...nd recommendations of British Standard BS 6230 1991 Installation of Gas Fired Forced Convection Air Heaters for Commercial and Industrial Space Heating The Installation must also be in accordance with the relevant requirements of The Gas Safety Installation and Use regulations and Amendment Regulations 1990 and The Building and Electrical Regulations in GB the IEE Regulations The requirements of t...

Page 3: ...2 4 Jet size propane butane i mm 1 35 1 25 1 35 natural gas mbar GB 17 5 IE 20 0 propane mbar 37 0 Gas supply pressure P 1 butane mbar 28 0 Burner pressure 2 natural gas mbar 8 50 natural gas 3 m3 h 2 70 3 36 4 10 4 76 6 10 8 30 11 00 propane kg h 2 06 2 52 3 05 3 56 4 51 6 18 8 25 Gas consumption butane kg h 2 10 2 60 3 12 3 64 4 61 6 31 8 42 Gas service connection not supply line size Rc Electri...

Page 4: ...del Euro T 2026D 2031D 2036D 2046D 2056D 2076D 2096D Minimum air volume m 3 h 1800 2200 2660 3110 3940 5400 7190 Maximum temperature rise _T K 37 Table 4 Minimum air flows for maximum temperature rise Low NOx Models Standard model Euro T 2525D 2530D 23535D 2545D 2555D 2575D 2595D High efficiency model Euro T 2526D 2531D 2536D 2546D 2556D 2576D 2596D Maximum air volume m 3 h 2080 2540 3080 3600 455...

Page 5: ... Rear Table 5 Dimensions reference figure 3 Model 2 25 2 26 2 30 2 31 2 35 2 36 2 45 2 46 2 55 2 56 2 75 2 76 2 95 2 96 Dimensions A1 Width overall 520 590 730 870 1080 1360 i Flue combustion air intake socket internal i 102 132 X Flue combustion air intake socket centres 140 225 Y Duct flange width front and back 360 620 570 710 920 1200 ...

Page 6: ...ses are met taking into account the pressure resistance of the air heater as indicated in figure 2 When designing by pass ducts ensure that the requirements for service access flue and controls connections are maintained An adjustable damper should be included within by pass ducts to enable air flow pressure and volume to be adjusted after installation When fitting Euro T air heaters in a side by ...

Page 7: ...0505T2D0GBEN 7 21 Figure 4 Arrangements for applying multi heater combinations ...

Page 8: ...ng through all members 5 4 Checking alignment and joint worthiness 5 5 Applying gasket seals to prevent air leakage 5 6 Sectional view of completed joint Legend figure 5 6 1 Cut and assemble flange into frame to suit opening 6 2 Check dimensions and position on duct spigot 6 3 Ensuring flange is mated correctly before fastening 6 4 Checking location after positioning 6 5 Applying sealing gasket 6 ...

Page 9: ...purposes The flue system must therefore be supported independently Where flue systems are taken through elements of air handling appliances then provision must be made to allow servicing of the flue gas fan assembly this will entail fitting a special detachable transfer section from the appliance flue and combustion air connection sockets to the outside of the appliance The main flue should then r...

Page 10: ...m Flue terminal 3 0 m 4 7 3 To ensure that the allowable resistance is not exceeded in the case of horizontal runs of flues a positive rise from the air heater of 1E i e 17 mm per metre is recommended 4 7 4 If condensation is to be avoided flues should not pass through cold areas or not be installed externally 4 7 5 When mechanical ventilation is used it shall be by mechanical inlet with either me...

Page 11: ...cal specification is in accordance with the specified data on the air heater A unique appliance wiring diagram is supplied as a separate document attached to this one plus a copy attached to the air heater 6 3 These appliances must be earthed 6 4 A separate electrical isolator for each heater must be provided adjacent to the appliance The isolator must have a contact separation of at least 3 0 mm ...

Page 12: ...e the gas valve s will open and the burner will be lit 7 4 4 If the burner has not lit within 5 seconds the electronic flame relay will switch off and lockout will occur This will cause the signal lamp to glow within the reset push button on the appliance and or on a remote control if fitted After 10 seconds the reset button on the appliance or the remote control can be activated in order to reset...

Page 13: ...nclude a service access section adjacent to the connection socket allowing access to the top of the flue fan In the event that the fan housing assembly requires removal i e for replacement then it is necessary to remove that section to access the 4 securing screws that fasten the fan housing through the top of the appliance All controls electrical and flue gas components are now accessible 8 5 2 F...

Page 14: ...on the appliance in accordance with the step procedure described in section 7 7 2 of this document Fig 9 SERVICE ACCESS KEYS Fig 10 IGNITER ASSEMBLY Fig 11 REMOVAL OF COMBUSTION AIR FAN VENTER MOTOR FAN IMPELLER ASSEMBLY CRITICAL DIMENSIONS 8 15 TO REMOVE COMBUSTION AIR FAN 1 Disconnect electrical connections to fan motor 2 Remove motor and venter wheel 3 screws 3 Withdraw motor impeller assembly ...

Page 15: ...d 1 Cable entry all electrical connections 2 Gas connection not supply line size 3 Combustion air fan with motor 4 Terminals for all electrical connections 5 Fuse 6 Double gas valve with pressure regulator 7 Hot surface igniter 8 Burner tray with burner ribbons 9 Manifold with injectors and pressure nipple 10 Reset button with indicator for burner lock out 11 Fan thermostat FCR 12 Not used for UK ...

Page 16: ...02 mbar OFF 0 94 mbar except type 25 26 ON 0 76 mbar OFF 0 68 mbar No differential pressure in flue gas system check flue and air inlet Faulty combustion air fan or capacitor 9 5 Appliance does not provide sufficient warm air Check gas inlet pressure Check burner pressure Gas filter if fitted dirty or blocked Limit control LC1 switches burner off see 9 6 Differential pressure switches relay off se...

Page 17: ... Honeywell C6065 FH1144 Models 2 25 26 Combustion circuit pressure switch 30 60607 94 Honeywell C6065 FH1194 Models except 2 25 26 Automatic burner control 03 25317 Honeywell S4570LS All Hot surface ignition assembly 05 25217 Norton 240V All Two pole relay K1 2 30 61742 240V Finder All two stage burners Wiring harness for burner control 06 41633 HGC Waak All Wiring connector for igniter device 06 ...

Page 18: ...n of the gas burner must be carried out 11 2 A Reznor approved conversion kit to suit the appropriate gas type must be used 11 3 In addition to changing the burner injectors and adjusting the gas pressure sealing a governor or fitting a blanking plate it is necessary to fix over stickers as supplied with the conversion kit of parts 11 4 After conversion re commission appliance according to section...

Page 19: ... Some people can suffer reddening and itching of the skin Fibre entry into the eyes will cause foreign body irritation Inhalation will cause irritation to the respiratory tract Precautions Wear protective gloves when handling People with a history of skin complaints may be susceptible to irritation Dust levels are only likely when the material is abraded In general normal handling and use for this...

Page 20: ...t the heater 1 Turn on the gas supply to the air heater 2 Switch on the electricity supply to the air heater 3 Ensure time switch if fitted is set to a ON cycle 4 Adjust control room thermostat to desired temperature 5 Air heater will light automatically when the room thermostat calls for heat 6 If the appliance does not light a check that the burner control does not require resetting An indicator...

Page 21: ... OPTIONAL ELECTRONIC CONTROL PANELS SAVE ENERGY AND OPTIMISE THERMAL COMFORT Reznor 7 Europe N V J M Sabbestraat 130 B8930 Menen Belgium Tel 32 0 56 52 95 11 Fax 32 0 56 52 95 33 e mail reznor_europe tnb com Reznor UK Limited Park Farm road Folkestone Kent CT19 5DR U K Tel 44 0 303 259141 Fax 44 0 303 850002 e mail sales reznor co uk ...

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