Reznor RDH 025 Installation, Commissioning, Servicing Download | Manualshive

Page: 25 / 33

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1307SDH_RDH--EN,

page 25/32

Figure 21

Figure 22

Remove 2 screws of the burner slider

Disconnect wire of the ignition electrode at the
burner controller

Figure 23

Figure 24

Disconnect flame sensor wire at the burner controller

Remove burner box (together with flame sensor
and ignition electrode

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Summary of Contents for RDH 025

Page 1: ...a Lithuania Montenegro New Zealand Norway Poland Portugal Romania Russian Federation Serbia Slovakia Slovenia Spain Sweden Turkey Ukraine INSTALLATION COMMISSIONING SERVICING These appliances meet the...

Page 2: ...tions of all relevant national and local standardisations The installation must also be in accordance with the relevant electrical and IEE regulations Unauthorised modification of this appliance or de...

Page 3: ...s suspended Follow the instructions included in the option package When transporting the appliance after it has been unpacked i e fork lifting etc note the restrictions and recommendation indicated in...

Page 4: ...X emission 100 G20 0 O2 mg kWh 113 21 125 27 123 42 143 39 155 23 127 60 146 14 NOX emission 50 G20 0 O2 mg kWh 74 84 68 00 65 83 68 97 99 31 67 56 89 78 Mass flow rate flue gases 100 G20 kg h 78 2 97...

Page 5: ...60 1454 1654 140 573 190 1094 212 700 753 197 300 756 270 380 81 68 1800 102 043 1852 806 1722 1922 140 841 190 840 229 600 988 120 500 502 270 615 81 68 2500 102 055 1852 806 1722 1922 225 756 190 84...

Page 6: ...60 140 573 190 1094 212 700 753 197 300 756 270 380 81 68 112 1800 102 043 2430 806 2300 2500 140 841 190 840 229 600 988 120 500 502 270 615 81 68 112 2500 102 055 2430 806 2300 2500 225 756 190 840...

Page 7: ...54 840 212 600 753 120 300 502 270 380 81 68 030 1584 1060 1454 1654 1094 212 700 753 197 300 756 270 380 81 68 035 1584 1060 1454 1654 1094 212 700 753 197 300 756 270 380 81 68 043 1852 806 1722 192...

Page 8: ...060 840 212 600 753 120 300 502 270 380 81 68 121 030 1990 1060 1860 2060 1094 212 700 753 197 300 756 270 380 81 68 121 035 1990 1060 1860 2060 1094 212 700 753 197 300 756 270 380 81 68 121 043 2430...

Page 9: ...lding exhaust systems Where chlorine vapours are prevalent heaters with special grade 316 AISI stainless steel heat exchangers are recommended 5 1 2 Installation heater Figure 2a shows the clearances...

Page 10: ...elements of the building Exposed ducting should be insulated and covered with a weatherproof membrane The duct connection to the appliance should be made using flexible connections to reduce noise tra...

Page 11: ...rements may apply in addition to national requirements These unit heaters are designed to operate safely and efficiently with either a horizontal or vertical flue system when installed with the specif...

Page 12: ...65 C when the heater is in operation The flue must be at least 150 mm away from any combustible material Single wall flue pipe exposed to cold air or run through unheated areas should be insulated Wh...

Page 13: ...e pipe exposed to cold air or run through unheated areas should be insulated Where condensation is unavoidable provision must be made for the condensation to flow freely to a point to which it can be...

Page 14: ...intain the nominal heat input Ensure that a gas supply line includes a filter and has been tested and purged in accordance with prescribed practice prior to commissioning and taking the air heater int...

Page 15: ...ls The location of the room thermostat or sensor is very important It should not be positioned on a cold wall or cold surface Avoid location in draughty areas or where it may be influenced by heat sou...

Page 16: ...andle heater motor loadings Energymizor Sensor cable 0 25mm screened Master slave cable 0 1mm bell wire type no screen necessary 8 6 7 Retain insert link wires shown solid Terminals shown may not be i...

Page 17: ...nspect the appliance and to replace any part of the control system and any gas control o When overheating occurs or when gas supply is not turned off shut the manual gas tap before turning off the ele...

Page 18: ...The air circulation fan will start after about 20 60 seconds In the event of the combustion air volume falling below a safe level the burner will be extinguished a re start cycle will commence after a...

Page 19: ...is is the time of 10 seconds between burner shutdown and the moment the combustion fan venter is de energized Start pre purge Energisation of venter motor If the differential pressure switch is in nor...

Page 20: ...clockwise to decrease pressure or clockwise to increase pressure see figure 13 Adjusting the burner pressure may only be carried out by suitably qualified persons o Set room thermostat to lowest setti...

Page 21: ...increase and counter clockwise to decrease pressure until desired maximum pressure is obtained c Check maximum pressure setting several times Adjusting minimum pressure setting a Disconnect electrica...

Page 22: ...2 10 1 80 1 53 Injector dia 1x mm 3 25 3 65 3 80 4 10 4 70 5 60 6 70 burner pressure 100 mbar 14 00 12 70 16 30 15 90 16 60 13 90 14 80 burner pressure 50 mbar 3 50 3 20 4 10 4 00 4 20 3 50 3 70 Natur...

Page 23: ...terminals for all electrical controls 8 Gas connection 9 Capillary thermal overheat control with manual reset LC3 10 Cable entry connections 11 Relay two stage 12 Motor starter 13 24V relay only SDH...

Page 24: ...e see below for removal instructions Inspect the burner control compartment annually to determine if cleaning is necessary If there is an accumulation of dirt dust and or lint clean the compartment an...

Page 25: ...Remove 2 screws of the burner slider Disconnect wire of the ignition electrode at the burner controller Figure 23 Figure 24 Disconnect flame sensor wire at the burner controller Remove burner box toge...

Page 26: ...vity of gas as well as the model and serial number of the unit When removing or replacing the burner orifice be careful not to damage the venturi tube and or the bracket 12 5 Ignition system The ignit...

Page 27: ...enter motor wires at the terminal and ground screw 4 Holding the motor remove the screws that attach the motor plate to the venter housing Remove the motor and wheel assembly from the heater 5 Reassem...

Page 28: ...f either set point is reached the limit control will interrupt the electric power to the gas valve This safety device provides protection in the case of motor failure or lack of airflow due to restric...

Page 29: ...Check burner relay ground wire f Unit not properly grounded f Make certain unit is properly field grounded earthed and properly phased L1 to hot lead L2 to neutral g Faulty burner relay g If voltage i...

Page 30: ...osition flame sensor Is gas flowing Is the igniter position correct in the gas flow Check gas pressure and supply voltage If either are low correct and repeat startup Reposition spark igniter Is there...

Page 31: ...7 All Combustion fan motor with wheel for std units 35 25233 025 055 Combustion fan motor with wheel for opp units 35 25233 1 025 055 Combustion fan motor with wheel for std units 35 25224 073 100 Com...

Page 32: ...the burner control does not require resetting An indicator light glows at the front panel of the appliance and on a remote control if fitted Reset by pushing light button on appliance or the remote c...

Page 33: ...Sabbestraat 130 B 8930 MENEN Belgium Herewith declares that The gas fired air heaters REZNOR series SDH and RDH Are in conformity with the provisions of the Machinery Directive as amended and with nat...

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