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OPERATING INSTRUCTIONS MANUAL FVO-750

1. OPERATING INSTRUCTIONS MANUAL Please retain for future reference For FVO 750 INDIRECT FIRED SPACE HEATERS CERTIFIED FOR USE IN CANADA AND U S A As per CSA B140 8 Portable Oil Fired Heaters CSA B140 02003 Oil Burning Equipment Construction Heaters Unattended Type Issue date July 1 2012 Ip Listed Intertek 2003325 FLAGRO INDUSTRIES LIMITED ST CATHARINES ONTARIO CANADA GENERAL HAZARD WARNING FAILURE TO COMPLY WITH THE PRECAUTIONS AND INSTRUCTIONS PROVIDED WITH THIS HEATER CAN RESULT IN DEATH SERIOUS BODILY INJURY AND PROPERTY LOSS OR DAMAGE FROM HAZARDS OF FIRE EXPLOSION BURN ASPHYXIATION CARBON MONOXIDE POISONING AND OR ELECTRICAL SHOCK ONLY PERSONS WHO CAN UNDERSTAND AND FOLLOW THE INSTRUCTIONS SHOULD USE OR SERVICE THIS HEATER IF YOU NEED ASSISTANCE OR HEATER INFORMATION SUCH AS AN INSTRUCTIONS MANUAL LABELS ETC CONTACT THE MANUFACTURER WARNING FIRE BURN INHALATION AND EXPLOSION HAZARD KEEP SOLID COMBUSTIBLES SUCH AS BUILDING MATERIALS PAPER OR CARDBOARD A SAFE DISTANCE AWAY FROM THE HEATER AS RECOMMENDED BY THE INSTRUCTIONS NEVER USE THE HEATER IN SPACES WHICH DO OR MAY CONTAIN VOLATILE OR AIRBORNE COMBUSTIBLES OR PRODUCTS SUCH AS GASOLINE SOLVENTS PAINT THINNER DUST PARTICLES OR UNKNOWN CHEMICALS WARNING NOT FOR HOME OR RECREATIONAL VEHICLE USE WARNING INTENDED USE IS PRIMARILY THE TEMPORARY HEATING OF BUILDINGS
2. D E Loosen PRESSURE RELEASING SCREW 1 One turn is sufficient This permits the fuel pressure to bleed off to the pump return port and the burner to operate continuously at the low fire rate Loosen RETAINING NUT 2 Turn the ADJUSTING SCREW 3 until the top of the air shutter 9 is correctly positioned according to the Burner Set up Chart Use instruments to establish the proper settings for maximum CO2 and a smoke reading of zero Hold ADJUSTING SCREW 3 in position and secure by tightening RETAINING NUT 2 10 F Retighten PRESSURE RELEASE SCREW 1 Note The low fire pressure regulator is pre set at the factory to 100 PSI 7 bar To vary or regulate this pressure it is necessary to attach a pressure gauge to the PRESSURE PORT 6 Loosen the PRESSURE RELEASE SCREW 1 as in step A above Regulate the pressure by turning the PRESSURE REGULATING SCREW 5 The corresponding pressure can be read on the pressure gauge attached to the PUMP PRESSURE PORT 6 MAIN FLAME SETTING A Be sure that the burner is operating at high fire B Set the pump pressure by attaching a pressure gauge to the Pressure port 6 and adjust the pressure by turning the pressure regulator adjustment screw 10 Loosen the RETAINING NUT 7 and turn the BOLT 8 in a counterclockwise direction until about 3 4 of an inch of thread is visible Using the setting taken from the Burner Set up Chart column 5 position the air shutter 9
3. 14 15 16 T7 18 19 Air tube cover 21 22 Pump pressure regulator adjustment screw Primary control sub base Lockout indicator lamp and Reset button Primary control Hydraulic jack End cone Turbulator adjustment screw Coil Vacuum gauge connection port ELECTRICAL CONNECTIONS It is advisable to leave the control box off the sub base while completing the electrical connections to the burner 1 Wire access hole Use BX electrical connector 2 Earth ground conductor terminal GREEN WIRE 3 Hot conductor terminal BLACK WIRE 4 Neutral conductor terminal WHITE WIRE 5 Strain relief clamp WARNING The hot black wire must be connected to the L ter minal and the neutral white wire must be connected to the N terminal or the primary safety control will be damaged Do not connect either wire to the G9 Terminal Using the appropriate diagram below make electrical connections to the burner All wiring must be done in accordance with existing electrical codes both national and local When all electrical connections have been made the control box may be put back in place on the sub base WARNING DO NOT activate burner until proper oil line connections have been made or failure of the pump shaft seal may occur 13 DIRECT LINE VOLTAGE 120V e FUSE 15A LINE SAFETY SWITCH BLACK OPERATING LIMIT SWIT
4. UNDER CONSTRUCTION ALTERATION REPAIR OR EMERGENCIES ONLY This heater is designed and approved for use as a construction heater under CSA B140 8 Portable Oil Fired Heaters CSA B140 02003 Oil Burning Equipment We cannot anticipate every use which may be made of our heaters CHECK WITH YOU LOCAL FIRE SAFETY AUTHORITY IF YOU HAVE QUESTIONS ABOUT APPLICATIONS Other standards govern the use of fuel gases and heat producing products in specific applications Your local authority can advise you about these SPECIFICATIONS Merle FVO 750 PIED p 750 000 btuh E MS TP ETERNI ERE TERRE No 1 No 2 Diesel or Kerosene Fuel PreSSUr e 160 psi NOZZE anaa aa a s th a 4 50 x 60W Delavan Jenifer eitir ani AE E E R EE E TE Direct Spark a a tee a EE NES Thermostat Control Air Girculati N cuen a a a a a a RA RUE 7000 cfm PUGIGOMSUMPHON wisi ese e E ERE A a 5 42 Gal hr APD OVEA miniai ie aed Sea veh E E EEA aa cETLus listed INSTALLATION The installation of this heater for use with No 1 No 2 Diesel or Kerosene and shall conform with local codes or in the absence of codes with the National Fuel Gas Code ANSI Z223 1 NFPA 54 Installation of the unit shall be in accordance with the regulations of the authorities having jurisdiction or the CSA Standard B139 CLEARANCE TO COMBUSTIBLES TOP FRONT SIDES REAR FLUE PIPE 1 ft 1 ft 1 ft 2 ft 2 ft FUEL This heater will operate with No 1 No 2 Diesel or Kerosene Note No
5. so that the top of the shutter is aligned with the proper index line indicated on the air intake side of the burner housing Holding the shutter in this position turn ADJUSTING BOLT 8 in a clockwise direction until a resistance is met C The final position of the air adjustment plate will vary on each installation Use instruments to establish the proper settings for maximum CO and a smoke reading of zero NOTE Variations in flue gas smoke CO2 and temperature readings may be experienced when the burner cover is put in place Therefore the burner cover must be in place when making the final combustion instrument readings to ensure proper test 3T s BURNER SET UP CHART 1 2 3 4 5 RE AIE NOZZLE PUMP AIR SIZE PRESSURE TURBULATOR 5 DAMPER SETTING SETTING GPH GPH PSI BAR 5 42 4 50x60 W 160 11 5 5 Note Air damper setting is typically set at 5 for operation in colder temperatures A combustion analyzer should always be used when setting the burner OIL BURNER COMPONENTS IDENTIFICATION RIELLO 40 SERIES F20 BURNER COMPONENTS Pressure gauge connection port Return fuel line port Inlet fuel line port Capillary tube Adjustable collar Mounting flange with gasket Air adjustment fixing screws Hydraulic air shutter Capacitor Fuel pressure adjustment screw Low fire Hydraulic delay valve Low fire start Motor 12 13
6. 1 Fuel Oil or Kerosene must be used for temperatures less than 10 C 8 F ELECTRICAL This appliance is equipped with a grounded receptacle for your protection against shock hazard and should be plugged directly into a properly grounded plug The electrical grounding of the heater shall be in compliance with the National Electrical Code ANSI NFPA 70 or CSA C22 1 Canadian Electrical Code Part I THIS APPLIANCE WILL OPERATE WITH 1 PHASE OR 3 PHASE POWER 208V 230V SUPPLY MUST BE AVAILABLE POWER SUPPLY SINGLE PHASE 208V 230V 30AMP BREAKER OR 30 AMP TIME DELAY FUSE 8 3 AWG AT 100FT MAX OR THREE PHASE 208V 230V 25AMP BREAKER OR 25AMP TIME DELAY FUSE 10 4 AWG AT 100FT MAX POWER CORD PLUG ENDS PROVIDED WITH UNIT FOR 1 PHASE OR 3 PHASE OPERATION This heater is equipped with a VFD Variable Frequency Drive to control the primary fan acceleration amp de acceleration The VFD has been password protected to prevent improper use If access to VFD controls is required for troubleshooting please contact manufacture for assistance 4 FLUE PIPE 90 DEG ELBOW For outdoor applications the flue pipe connection must terminate with a vertical run of at least 2ft complete with rain cap For indoor installations the venting must consist of a minimum 2ft vertical run to a maximum of 20ft total vent length See diagram below for horizontal vent installation The vent outlet on the heater is 8 diameter Certified ve
7. CH Ta NE HOT LINE SAFETY LIMIT SWITCH EARTH GROUND GREEN NEUTRAL WHITE FACTORY WIRED SUB BASE CAPACITOR REMOTE SENSING OF SAFETY LOCKOUT The SAFETY SWITCH in the 530SE CONTROL BOX is equipped with a contact allowing remote sensing of burner lockout The electrical connection is made at terminal 4 e on the SUB BASE Should lockout occur the 530SE CONTROL BOX will supply a power source of 120Vac to the connection terminal The maximum allowable current draw on this terminal 4 is 1 Amp WARNING If a neutral or ground lead is attached to this terminal the CONTROL BOX on the burner will be damaged should lockout occur 14 A B C D INSERTION REMOVAL OF DRAWER ASSEMBLY To remove drawer assembly loosen SCREW 3 then unplug CONTROL BOX 1 by carefully pulling it back and then up Remove the AIR TUBE COVER PLATE 5 by loosening the two retaining SCREWS 4 Loosen SCREW 2 and then slide the complete drawer assembly out of the combustion head as shown To insert drawer assembly reverse the procedure in items A to C above and then attach fuel line to the pump NOZZLE PLACEMENT A Remove the NOZZLE ADAPTER 2 from the DRAWER ASSEMBLY by loosening the SCREW 1 B Insert the proper NOZZLE into the NOZZLE ADAPTER and tighten securely Do not over tighten C Replace adapter with nozzle installed into drawer assembly and secure with scre
8. eck burner nozzle assembly NOTE IF THE BURNER HAS BEEN RESET SEVERAL TIMES THERE MAY BE AN ACCUMULATION OF OIL IN THE CHAMBER DO NOT CONTINUE TO TRY AND START THE HEATER DRAIN OIL FROM HEAT EXCHANGER USING DRAIN HOLE AT FRONT OF HEAT EXCHANGER FOR 15 20 MINUTES BEFORE ATTEMPTING TO RELIGHT LET REMAINING EXCESS OIL BURN OFF BEFORE CHECKING COMBUSTION OF UNIT SAFE OPERATION PRECAUTIONS Do not fill external fuel tank while heater is in operation Do not attempt to start heater if excess oil remains in the heat exchanger Use selector switch to shut down the heater Do not try to shut down the heater by unplugging the electrical cord Note DAMAGE TO THE HEATER WILL OCCUR Do not plug anything other than the thermostat into the Thermostat plug Do not use any fuel other than those listed on rating plate Follow electrical requirements shown on rating plate and or Electrical requirements section of this manual Before removing any guards or performing any maintenance be sure that the main power supply is disconnected All external fuel supply tanks must include a vent COMBUSTION AIR ADJUSTMENTS NOTE Proper combustion air adjustment must be achieved using a certified combustion analyzer and smoke tester to ensure complete combustion The air adjustment should be made to achieve 1096 CO and No 1 or trace smoke Bacharach Scale AIR SHUTTER SETTING LOW FIRE SETTING A B C
9. h use of the heater If it is evident there is excessive abrasion or wear or the hose is cut it must be replaced prior to the heater being put into operation The replacement hose assembly shall be that specified by the manufacturer The flow of combustion and ventilation air must not be obstructed Be sure to check the fan assembly and ensure that the motor and blade are operating properly Compressed air should be used to keep components free of dust and dirt build up Note Do not use the compressed air inside any piping or regulator components Change fuel filter insert Part FVO 419 once per month Change fuel filter cartridge Part FVO 418 once every 6 months Change oil nozzle Part FV 738 once per year High Limit Switches Part FV 706 amp FV 707 should be checked each season These limit switches will ensure the burner shuts down if the temperature exceeds 200 F at rear of unit and 250 F at the outlet Heat Exchanger should be cleaned if smokey conditions continue even after the air adjustments on the burner are made START UP INSTRUCTIONS Position heater properly amp on a level surface before operating 2 Connect Fuel supply to heater 3 Ensure the Thermostat Manual selector switch is in the OFF position 4 Attach power supply 208 230V 1 phase or 208 230V 3 phase to appropriate receptacle 5 Turn disconnect switch Single or Three phase depending on power supply to ON p
10. nting must be used at all times Vent cap must be installed in situations where downdrafts occur All venting must correspond with the CSA B149 standard or in its absence local codes FLUE TERMINATIONS 45 DEG ELBOW EXTERIOR WALL 8 p FLUE OUTLET OF HEATER A Vertical vent run must be a minimum of 2ft from heater outlet B Maximum horizontal run is 20ft Note 90deg Elbow 5ft C Vent termination in horizontal position must be minimum 2ft from wall A 45deg elbow is recommended at horizontal termination Note Horizontal flue run Rise ratio 1 10 DUCTING Heater duct with a minimum temperature rating of 300 deg F including wire reinforcement to prevent collapsing Heater is designed for use with 2 x 16 diameter ducts equipped with gear clamp couplings FV HD16X25B Install ducting to the heater outlet using gear clamps provided on the collar of the ducting Ducting should be inspected periodically for tearing and or wear marks Ducting should be stored in a dry area when not in use MAINTENANCE 1 Every construction heater should be inspected before each use and at least annually by a qualified service person Incorrect maintenance my result in improper operation of the heater and serious injury could occur Service and Maintenance only to be performed by a qualified service person The hose assemblies shall be visually inspected prior to eac
11. osition 6 Move switch to MANUAL position for manual control OR 7 Move switch to THERMOSTAT position for thermostatic control Please Note 1 If using Thermostat kit the heater must be started in Thermostat position 2 When changing between manual and thermostat operation the heater must be left in the OFF position until blower fan completely shuts down before changing position to prevent the burner from locking out When using a generator for electrical supply make sure the generator is properly grounded and is at a 60Hz frequency In the event that a Generator is being used and runs out of fuel make sure the heater switch is in the OFF position before restarting generator failure to do so may damage heater TO SHUT DOWN Close main fuel supply valve Move Thermostat Manual switch to OFF position Waiting until blower fan shuts down 3 minutes approx Er 4 Turn Disconnect switch single phase or three phase depending on power supply to OFF position 5 Turn main power breaker to OFF position 6 Disconnect heater from fuel supply IF HEATER FAILS TO START 1 Press manual reset button at rear of burner 2 Check fuel level There must be 6 8 gallons of fuel in the tank for the heater to start properly 3 Make sure there are no air locks in fuel lines or filter 4 Ensure proper power supply is being used 5 Check for dirty fuel filter or blocked fuel supply line 6 Ch
12. w 1 ELECTRODE SETTING IMPORTANT THESE DIMENSIONS MUST BE OBSERVED AND VERIFIED j 9I32 or 4 mm p D6003 5 32 to 13 64 or 4to 5 16 TURBULATOR SETTING A Loosen NUT 1 then turn SCREW 2 until the INDEX MARKER 3 is aligned with the correct index number as per the Burner Set up chart on page 12 B Retighten the RETAINING NUT 1 NOTE Zero and five are scale indicators only From left to right the first line is 5 and the last line 0 OIL LINE CONNECTIONS Note Pump pressure must be set at time of burner start up A pressure gauge is attached to the PRESSURE PORT 8 for pressure readings Two PIPE CONNECTORS 5 are supplied with the burner for connection to either a single or a two pipe system Also supplied are two ADAPTORS 3 two female 1 4 NPT to adapt oil lines to burner pipe connectors All pump port threads are British Parallel Thread design Direct connection of NPT threads to the pump will damage the pump body Riello manometers and vacuum gauges do not require any adaptors and can be safely connected to the pump ports An NPT metric adapter must be used when connecting other gauge models 7x

OPERATING INSTRUCTIONS MANUAL FVO-750

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