CSA RA 350 Installation Manual Download Page 53 | Manualshive

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Form I-RA/D 350/500, P/N 131090R12, Page 53

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Summary of Contents for RA 350

Page 1: ...Version C Obsoletes Form I RA D 350 500 Version B REZNOR USED OIL FIRED HEATERS AND BOILERS Installation Operation Maintenance Manual and Reference Guide Heater Models CSA Certified to Electrical and...

Page 2: ...to any gas or oil burner without adequate draft over the fire the com bustion gases cannot escape resulting in an overheated combustion chamber Even if the burner is installed correctly and adequate...

Page 3: ...uirements for the Vent System 15 Draft Regulator 16 Installing Ducts 17 Inlet Air Duct 17 Discharge Duct 17 Power Installation 18 Pump Power 18 Main Power 18 Heating Thermostat 18 Heater Start Up 19 2...

Page 4: ...ental quality fuel fire and electrical safety Municipal permits may also be required Regulation requires that only used oil generated on the premises of the owner may be burned in this equipment unles...

Page 5: ...d the heater become inoperable during sub freezing weather WARNING Approved fuels are No 2 fuel oil and used automotive transmission fluid and crankcase oils up to 50 weight Do not attempt to burn any...

Page 6: ...llation Blower support legs Remove the four blower support legs and screws Check Belt Tension Belt should be able to be depressed 1 2 3 4 See illustration below If the belt does not have proper tensio...

Page 7: ...uel pump and the parts listed below are at the installation site Part No Description 255350 Thermostat 96388 Oil Filter 135986 Vacuum Gauge 110320 Foot Valve 130952 Oil Pump Inlet Manifold 37866 Draft...

Page 8: ...rmanent platform portable stairs ladder etc WARNING You must comply with all requirements on distance from heater to combustibles In Canada for additional information on installation clearances refer...

Page 9: ...d formation of carbon monoxide CO Elevations above 3 000 ft 914M require installation of a heater that is either factory built or field converted for use at high elevation Failure to comply can result...

Page 10: ...UTION It is recommended that used oil be at a temperature of 50 F or higher when it enters the pump At a temperature below 50 F heavier oils become more viscous and difficult to pump The heater may fi...

Page 11: ...ademark of DuPont Chemical Use of TEFLON based pipe dope or TEFLON tape will void the pump warranty Supply Lines Read this section carefully before installing any supply lines Since a suction line lea...

Page 12: ...of 60 feet 18 M for 3 8 tubing or 100 feet 30 5M for 1 2 tubing Do not install manual valves in the supply line Connect the fuel line to the heater at the connection on the corner of the service tray...

Page 13: ...1 2 13 diameter threaded rods Lock each threaded rod using a washer and nut as shown in the illustration below Or use optional swivel connections Option CK10 and field provided 1 threaded pipe Lock s...

Page 14: ...enance and inspection The vent system must comply with all local codes and in the event that local codes do not exist the vent system must comply with a regional or national code The requirements for...

Page 15: ...ntal length shown in the table below and have not more than two elbows except where noted that the application is limited to one elbow Horizontal portions must be sloped upward 1 4 for each foot of pi...

Page 16: ...xhaust fans and systems are operating When a draft inducer is installed a draft proving switch must be used to shutoff the fuel supply to the burner in the event of failure of the draft inducer The wi...

Page 17: ...8 1473mm Slip the ductwork over the flange and attach using 1 2 long sheetmetal screws RAD A B inches mm inches mm 350 54 1372 24 1 4 616 500 57 5 16 1456 20 7 16 519 Discharge Duct A discharge duct m...

Page 18: ...un the appropriate conduit from the heater to the junction box Connect the black wire to L1 Connect the red wire to L2 Connect the white wire to the neutral lead Connect the green wire to the ground l...

Page 19: ...ate Codes Check hangers and supports Be certain that all hangers supports and arms are adequately anchored and that all unions or threaded fittings are snug and do not rotate Heater must be level Chec...

Page 20: ...pen the bleeder valve on the remote pump and wait until a full flow of oil is obtained without any air IMPORTANT NOTE If air bubbles are present and do not stop there is a suction line leak Check the...

Page 21: ...en the controller is in the lockout condition Sizes 350 and 500 models and must be reset by depressing the red button on the controller and holding it down for three seconds Once the system is purged...

Page 22: ...t fan in the building The air intake in the room where the heater is installed must be of sufficient size so that there is no change in the draft reading in the flue with the exhaust fan running If th...

Page 23: ...tatic pressure check the unit rating plate If the heater has been equipped with a duct the discharge air tempera ture should be checked Place a thermometer or a thermocouple in the middle of the outle...

Page 24: ...eing burned maintenance requirements can be affected Any time there is a major change in fuel return to the schedule listed below and note the hour meter readings to re tailor the maintenance schedule...

Page 25: ...nlet a If the portion of screen visible at the inlet appears to be clogged go to Step 2 b If the screen appears unclogged reconnect the inlet line making sure that the connection is tight Do not remov...

Page 26: ...all connections tight for the heater to operate properly NOTE Refer to the section Priming and Leak check starting on page 19 for check list and instructions Cleaning the Burner Oil Strainer Oil Strai...

Page 27: ...Turn the four outer door latches 1 4 turn Remove the door panel by lifting upward and outward on the door handle Using a 1 2 wrench remove the nuts and washers from the inner hinged door See NOTE in t...

Page 28: ...ove the door panels Turn the latches 1 4 turn to remove outer door panel 2 Remove the inner access panel exhaust cover Using a 1 2 wrench remove the nuts and washers from the inner exhaust cover Pull...

Page 29: ...ng box door Swing open the door Shine a flashlight into the heat exchanger As little as 1 16 ash build up on the internal tube surfaces can dramatically decrease the thermal efficiency of this heater...

Page 30: ...sconnect the flue pipe from the flue collar 4 Clean the combustion chamber page 29 heat exchanger tubes and the flue pipe Use a stiff brush Remove ash with a shop vacuum Disconnect the Flue Pipe Remov...

Page 31: ...a 5 8 open end wrench Clean nozzle by disassembling washing thoroughly and blowing dry with compressed air If nozzle face appears worn replace the oil nozzle For Models RA RAD350 use replacement oil n...

Page 32: ...fuel line assembly wire bundle Mark and disconnect the wires from their terminals in the burner junction box 5 Disconnect the nozzle air hose from the fitting at the air compressor Pull the hose thro...

Page 33: ...assembly Tighten the 5 16 inverted flare nut firmly Then tighten the connection nut Do not move the escutcheon plate Check the spacing between the oil nozzle and the end cone Refer to Electrode Adjus...

Page 34: ...e WARNING Turn off the electric power before cleaning heater 4 Reassemble the Pre Heater and the heater Check the O ring If a new one is required replace with P N 132224 Reassemble the cylinder pieces...

Page 35: ...height of the supply line and the oil temperature If a pressure in excess of 50 psi is experienced at the pump a relief valve will open and return the oil to the supply tank Oil pressure at the atomiz...

Page 36: ...ing the trial period the primary control will lockout To restart the safety switch must be manually reset by pushing the red reset button on the ignition control module Depress and hold the reset butt...

Page 37: ...e main power is on to the heater GREEN On the fixed cover portion above the ignition controller Indicates that all limits have been satisfied and the unit is ready to operate Troubleshooting Viewport...

Page 38: ...follow the instructions to relight the heater Check for proper operation Maintenance A thin film of soot will form on the face of the backflow sensor At least once a month and during any routine heate...

Page 39: ...reen Light Limits are satisfied heater is ready to operate Air pressure switch is inside the main electrical box 115V Terminal Connections 1 10 are inside the main electrical box Green Indicator Light...

Page 40: ...on 115V Terminal Connections 11 19 are in the burner junction box Piston type Air Compressor Box contains oil heat exchanger pre heater with 770 watt cartridge heating element and temperature controls...

Page 41: ...eater wires and Terminal 11 Is voltage read Check continuity of 650 watt Size 350 or 770 watt Size 500 element Is there sufficient ohms Replace oil heater temperature control pre heater Replace oil he...

Page 42: ...e rearward This will expose the heating element Locations and Replacement Instructions for the Two 30 Watt Heating Elements in the Fuel Line Assembly Chart No 2 Thermostat calling for heat burner moto...

Page 43: ...ambient temperatures High humidity Carbon residue on the porcelain bushings Low input line voltage Arcing between the ignition electrodes and the transformer springs They must have good contact Carbon...

Page 44: ...rrect short circuit Is resistance greater than 1500 ohms Open transformer and clean cell face and seat firmly into holder Is resistance greater than 1500 ohms Is the over fire draft correct Is the CO2...

Page 45: ...limit set point Cause must be found and corrected for heater to function safely properly Refer to illustra tions on page 46 Bleed oil from burner tee bleeder for ten minutes Is stream of oil perfectly...

Page 46: ...ing The fan blower control also provides additional safety control by keeping the fan or blower in operation in the event that a malfunction would cause the oil burner to continue to fire when the the...

Page 47: ...ne blocked Is the oil flow in the aluminum oil pre heater blocked Dissassemble and clean the aluminum oil pre heater Is the burner tee strainer blocked Remove and clean the srainer Does the fuel valve...

Page 48: ...Form I RA D 350 500 Page 48 Wiring Diagram 147351 for Models RA RAD 350 Appendix...

Page 49: ...Form I RA D 350 500 P N 131090R12 Page 49...

Page 50: ...500 Page 50 Wiring Diagram 189994 Model RA500 fan model IMPORTANT NOTE This is the current wiring diagram If your Model RA500 heater was manufactured before 1 05 Serial No Code BEA see wiring diagram...

Page 51: ...Form I RA D 350 500 P N 131090R12 Page 51...

Page 52: ...0 Page 52 Wiring Diagram 224503 Model RAD500 blower model IMPORTANT NOTE This is the current wiring diagram If your Model RAD500 heater was manufactured before 1 05 Serial No Code BEA see wiring diagr...

Page 53: ...Form I RA D 350 500 P N 131090R12 Page 53...

Page 54: ...age 54 Wiring Diagram 156434 Model RA500 fan model mfgd prior to 1 2005 IMPORTANT NOTE This wiring diagram is for a Model RA500 heater MANUFACTURED BEFORE 1 05 Serial No Code BEA See pages 50 51 for c...

Page 55: ...Form I RA D 350 500 P N 131090R12 Page 55...

Page 56: ...56 Wiring Diagram 156434 Model RAD500 blower model mfgd prior to 1 2005 IMPORTANT NOTE This wiring diagram is for a Model RAD500 heater MANUFACTURED BEFORE 1 05 Serial No Code BEA See pages 52 53 for...

Page 57: ...Form I RA D 350 500 P N 131090R12 Page 57...

Page 58: ...Form I RA D 350 500 Page 58 Hour Meter Cleaning Record Cleaning Date Meter Reading Initials Cleaning Date Meter Reading Initials...

Page 59: ...46 Location of Components 39 40 M Maintenance Procedures 25 Maintenance Requirements 24 Maintenance Schedule 24 Measuring Draft Over Fire 21 N Nozzle 31 O Oil Burner Troubleshooting 37 Oil Delivery S...

Page 60: ..._____________________________________________________ ________________________________________________________ Phone _________________________________ Model ____________ Serial No ____________________...

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