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Form I-RA/D 350/500, P/N 131090R12, Page 39

Location of Components Referenced in Troubleshooting Charts

Size 350

Manually reset

Backflow Sensor

Switch is on the

Viewport Door

Transformer

(Open the

transformer to

service cad cell.)

10 amp fuse mounted

on the top of the

electric box. See

wiring diagram.

Ignition

Controller

Green 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 (”power

on”)

Manual

Disconnect

Switch

Oil Inlet

Connection

115V Terminal

Connections

11-18

are in

the burner

junction box.

Piston-type Air

Compressor

Box contains oil heat

exchanger (pre-heater) with

650 watt heating element and

temperature controls. Remove

cover to access.

Burner

Motor Reset

Button

Burner

Tee with

Strainer

Содержание RA 350

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

Страница 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...

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

Страница 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...

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

Страница 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...

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

Страница 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...

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

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

Страница 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...

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

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