Slant/Fin BOILERS Boiler User Manual
Contents
1. APPROX APPROX AIR SHUTTER HEAD SET SETTING NO t TING NO t 5 I 5 i 5 10 ube LD 50H 40 Series with short 45 B DELAVAN 178 3 00 1 F 10 tube F 10 tube 1 1 1 1 1 2 1 LD 50 40 Series with short ew _ peLavan 160 400 2 eon te DELAVAN 170 Air shutter and head settings shown are approximate ONLY See START UP page 8 All burner models shown are single stage NOTE For proper insertion into combustion chamber see figure 12 Figure 9A Rlello 40 Series MODEL F 5 ELECTRODE SETTING 5 64 1 8 LIBERTY Il 17 BURNER DATA RIELLO continued SETTING THE AIR ADJUSTMENT PLATE See figure 11 1 The hydraulic AIR SHUTTER A is operated by the HYDRAULIC JACK F assuring complete opening of the combustion air intake Figure 9B Regulation of the combustion air flow is made by adjustment of the manual AIR ADJUSTMENT PLATE D after loosening the FIXING MODEL F 10 SCREWS C and E The initial setting of the air adjustment plate ELECTRODE SETTING should be made according to page 16 2 The proper number on the manual AIR ADJUSTMENT PLATE D Important For proper insertion into chamber see should line up with the SETTING INDICATOR B on the fan housing figure 12 cover Once set the air adjustment plate should be secured in place by tightening SCREWS C and E Manually open and release the hydraulic air shutter to ensure it has free movement 3 The final p2. SOLENOID VALVE IF EQUIPPED BURNER MOTOR NOZZLE LINE HEATER IGNITION PEN T R Ae ORANGE IF EQUIPPED BLACK RED R8184G 668 415 OR 48245 PRIMARY CONTROL BURNER JUNCTION BOX QUICK DISCONNECT PLUG 14 LIBERTY Il BURNER DATA BECKETT AFG BURNERS FOR PACKAGED BOILERS ONLY For knocked down amp boiler burner units see publication no L 42KB FIRING BOILER BURNER BURNER MODEL MODEL HEAD AFG SF 11 02 AFG SF 11 05 Air shutter and air band settings shown are approximate ONLY See START UP page 8 All burner models shown are single stage 57 32 DAP ELECTRODE ABOVE t 1 16 EE NOZZLE ELECTRODE ADJUSTMENTS BECKETT OIL PUMP APPROX APPROX PRESSURE AIR SHUT AIR BAND SETTING TER SET SETTING PSIG TING NO t NO t 1 Extended heads on all units except model LD 20 2 No static plate for LD 50 only 3 Insertion depth 25 35 for LD 30 and LD 40 221 95 for LD 50 Insertion depth 12332 for model LD 20 4 Air Band 2 slot for LD 30 4 slot for LD 40 8 slot for LD 50 5 Burner may be equipped with a prepurge control See table for approximate settings SHUTTER ADJUSTMENT Shutter opens clockwise right Example shown at no 6 position 0 ts not imprinted on burner but is the first mark on the left EMBOSSED AIR BAND ADJUSTMENT Example shown in closed 0 position Band opens when moved clockwise right LIBERT
3. washer hex head screws to fasten the flue collector In order to assure a proper seal be sure that the flue collector is compressing the flat rope and not hanging up on the section bosses Tighten the two screws D If boiler room is damp provide ventilation PROVIDING PROTECTION FOR FREEZING Anti freeze is sometimes used in hydronic heating systems to pro tect against freeze up in the event of power failure or safety control shutdown when the building is unoccupied It should be recognized that unless the building is kept above freezing temperature by some means the plumbing system is not protected PROPYLENE GLYCOL is used in the quick freeze food industry it is practically non toxic Its use may be permitted when tankless heaters are used When anti freeze must be used inhibited propylene glycol is recommended Useful information on the characteristics mixing proportions etc of glycol in heating systems is given in Technical Topics No 2A available from the Hydronics Institute 35 Russo Place Berkeley Heights N J 07922 Consult glycol manufacturers for sources of propylene glycol DO NOT use ethylene glycol because it is toxic OIL BURNER Inspect and clean annually and following any period of improper operation Recheck and adjust settings as specified for burner model and nozzle size Set burner air and draft regulator using test instru ments to obtain recommended CO and draft without smoke Refer to page 8
4. C To clean the fireside boiler surfaces first shut down burner by dis connecting all electrical power to the burner by turning OFF the OIL BURNER EMERGENCY SWITCH of this boiler in order to re the following work in 1 through 10 below Remove the flue pipe from the boiler flue collar and clean thoroughly 2 Inspect the entire vent connector back to the chimney and clean if necessary 3 Inspect the chimney for soot debris and other unsafe condi tions of the chimney and take the necessary action 4 Remove the flue collector by first removing the top jacket panel The flue collector is held in place by two hex 1 4 20 screws Remove the screws and carefully remove the flue col lector Try not to disturb the flat fiberglass rope under the flue collector 5 When necessary to clean the combustion chamber you must first CLOSE the suction valve and return valve if two pipe Then disconnect the oil lines from the burner The flexible electric conduit connected from the junction box on the boiler to the burner via a plastic connector must be disconnected from the burner by grasping the plastic half of the connector closest to the flexible conduit and gently pulling it in the direc tion of the conduit until it is disconnected Remove the single 3 8 16 hex head screw on the LEFT side of the swinging door You will need a 9 16 drive socket Open the door to complete ly expose the combustion chamber for thorough cleaning and for insp
5. and LD 30 A Double slotted air band LD 40 LD 50 LD 60 and LD 70 See table for approximate settings HEAD ADJUSTMENT SCREW Se L s SV Al RETENTION RING D N AIRTUBE FOR LD 60 amp LD 70 AIR BAND ADJUSTMENT Example shown at open 50 position Band closes when moved clockwise right A A HEAD ADJUSTMENT Example shown at no 1 a E 0 MU THROTTLE RING RETENTION RING I AIR TUBE FOR LD 50 ADJUSTING SCREW USE 5 32 HEX ALLEN KEY A y y y O9 BURNER DATA WAYNE BURNERS FOR PACKAGED BOILERS ONLY For knocked down amp boiler burner units see publication no L 42KB FIRING OIL PUMP A APPROX RATE PRESSURE APPROX AIR BAND BOILER NO 2 OIL SIZE ANGLE amp SETTING HEA SETTING MODEL GPH GPH TYPE MFR PSIG SETTINGT LD 50 EH 80 8 DELAVAN 115 BAR t 3 8 Back 2 35 2 25 80 B DELAVAN 109 1 8 Back 3 4 80 P HAGO LD 60 EH 2 60 2 50 80 W DELAVAN 108 BAR 1 8 Forward 3 4 80 SS HAGO ji 3 0 99 5 7 P W LD 70 EH DELAVAN 100 BAR t 1 4 Forward 1 1 2 3 0 S 0 75 HAGO 107 1 8 Forward 1 1 8 DELAVAN 3 10 HAGO 1 4 Forward 1 1 2 DELAVAN 107 70 W DELAVAN 1 4 Forward 1 7 8 113 Choke 3 Wayne part no 12329 Static Disc 2 1 2 6 air tube 1 3 4 insertion for the welded flange Burner specifications marked BAR are for Libertyll boilers approved for use in N
6. are used and are properly adjusted to pro duce 13 COs E 223 bil e 8x8x15 8x15 24 06 83 45 237 8x12x15 8x15 2981 2981 259 224 933 18x12x15 10x15 3274 284 8x12x15 10x15 3541 354 306 266 1108 8x12x15 10x15 469 000 381 331 8x12x151 10x15 I B R Chimney Size 8x8x 15 che 8x8x15 6x15 84 85 84 1 a8x8x15 6x15 83 50 H 4 Ki SE 8x8x15 7x15 8x8x15 7x15 11 11 4 438 1332 13 30 3 3 Nominal clay tile liner dimensions Tankless heater rating based on intermittent draw 1 Water boiler models LD 30 and larger have two firing rates The boiler is factory shipped at the lower firing rate To obtain the higher firing rate refer to the Liberty II boiler installa tion instructions for the appropriate field adjustments 1 B R gross output A Collar is oblong will fit 6 diameter nominal connector This dimension is from the boiler jacket to the center of the flue outlet NOTE All boilers under 300 000 Btuh input are tested and rated for capacity under the U S Department of Energy D O E test procedures for boilers LIBERTY Il INSTALLATION REQUIREMENTS BOILER LOCATION Provide a level solid foundation for the boiler Location should be near the chimney so that the Flue Pipe Connector or Breeching to the chim ney is short and direct A The foundation must be capable of supporting the weight of the boiler when fill
7. boiler and repeat test D Refill the boiler and reset controls for normal operation II Float type low water cut off If this boiler is factory equipped with a McDonnell amp Miller float type low water cut off the low water cut off must be blown down flushed at least once a week START OF SKIMMING LEVEL 2 BELOW TOP OF GAUGE GLASS 1 1 2 MALLEABLE IRON 150 PSI STREET ELBOW 1 1 2 SKIMMER 25 1 2 a DRAIN VALVE NORMAL OPERATING WATER RETURN LEVEL GN Figure 9 10 CAUTION When flushing float type low water cut off control hot water and steam will flow out the blow down valve Blow down valve is illus trated below A SPECIAL FLUSHING INSTRUCTIONS For new boiler installed in old system Installation of new boiler may break loose a heavy accumulation of sediment and scale from old piping and radiators It is extremely important to blow down your McDonnell cut off more frequently the first week First week 3 times Thereafter at least once a week B As boiler water circulates through the float chamber dirt or other sediment may be deposited This chamber is extra deep But the only sure way to keep any accumulation from interfering with float action is to blow down or flush out the control once a week Do it while boiler is in operation First note water level in gauge glass Open blow off valve at bottom of control water will pour out flush ing away sediment Drain until water is
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9. E WATER TO APPLIANCES TEMPERED WATER TO FIXTURE WIRING THE BOILER A The wiring diagrams for the burner and boiler may be found on pages 11 13 B 24 volt control wiring should be approved Safety Circuit wire protected as needed C Power supply wiring to the burner must be 14 gauge or heavier as required and should have a properly fused disconnect switch 120 volt wiring to pumps and safety controls must also be 14 gauge or heavier Wire must be enclosed in approved conduit D All wiring must be installed in compliance with the National Electric Code or any local or insurance codes having jurisdiction TEMPERING FLOW REGULATING VALVE Figure 8 Recommended Piping to Tankless Heater VENT PIPING AND DRAFT REGULATOR A B 07 Vent pipes must be installed having the same diameter as the boiler outlet See page 2 Vent pipes and breeching must be pitched upward a minimum of 1 4 per foot Connect vent pipe to the chimney using as few elbows as possible Horizontal vent connector into the chimney should not be inserted beyond the inside wall of the chimney Install barometric draft regulator on horizontal breeching near chim ney with hinge horizontal and face vertical See manufacturer s instructions packed in carton with barometric draft regulator If two or more appliances are used on the same chimney see CHIMNEY page 3 Make up all joints with minimum air leaks secure with sheet metal Sc
10. E ZONE CIRCULATOR CIRCULATOR See CIRCULATOR CIRCULATOR ZONE 3 h OTHER ZONES L e y aa GROUNDING CONDUCTORS TWO GREEN GROUND WIRES ABE FACTORY CONNECTED TO TRE GREEN GROUND SCREW IN THIS SOX FIELD WIRE A GROUNDED CONDUCTOR TO THIS SCREW TOGETHER WITH THE TWO GREEN FACTORY CONNECTED GREEN GROUND WIRES MULTIPLE ZONED ZONE VALVE METHOD USING HONEYWELL V8043F OR ERIE 765 E ELECTRICAL POWER SUPPLY HOT wm of J lt OVERLOAD PROTECTION t AND DISCONNECT MEANS 24 VAC i MUST BE PROVIDED a a sosa i AS REQUIRED BY CODES NEUTRAL 1 STEP DOWN TRANSFORMER He wg Hi Is wi pi SEEEEEEER ER Sei bei Ab pt Mi Ab mikir s i ii vie be CONNECT TO T 7 ON LOTSA AQUASTAT y s rm s rm rm s s s e s s s 12 LIBERTY Il BASIC MODULE WIRING SOLENOID less circulator VALVE IF EQUIPPED MOTOR BLACK NOZZLE LINE HEATER A IF EQUIPPED See Detail A 3 pfomm ry oth han R7184 R7184B IGNITION OTHER SAFETY VIOLET W CONTROL j GREEN GREEN GROUNDING Ca SCREW A A en LIMIT FIELD CONNECTION FLAME BURNER JUNCTION BOX nc qa E DETECTOR FACTORY MOUNTED 43 0801 QUICK DISCONNECT PL 24 VOLT THERMOSTAT A ELECTRICAL POWBRPPLY PROVIDECONNECT MEANS AND OVERLAD PROTECTION AEQEHIRED BY CODES A CONTROL CASE MUST BWNNECTED TO EARGROUND USE GROUNDING SCREPROVIDED A GROUNDING CONDUCTOR TWO GRIN GROUND WIRES ARE FA
11. EGULATOR to obtain 02 overfire draft Take draft reading through slot in observation door Close the observation door Allow the burner to fire for at least one hour total firing time to bake out the volatile binders in the combus tion chamber before taking final combustion readings By alternate adjustment of the barometric draft regulator the burner air regulation and head regulation devices whichever apply set for a trace of smoke and as close to 13 CO as you can Then open the air bands or shutter whichever apply an additional 1 8 This should result in zero smoke with NO raw oil on the smoke paper and a smooth light off DO NOT ATTEMPT TO SET FIRE BY EYE Flame retention burners may appear efficient and smoke free from an inefficient 7 up to an overly high 14 CO However a very low CO can also result in poor ignition and raw unburned oil entering the fire box At very high CO any slight decrease in air flow for any reason will cause incomplete combustion with high smoke and dry soot formation in the fire box If smoke reading is satisfactory but COs can not be increased to a satisfactory level 12 or better or overfire draft of 0 02 W C can not be obtained check for proper sealing between sections between burner mounting plate and front section around burner blast tube and around flue collector and collar If seal is not satisfactory reseal with furnace putty or silicone with a temperature rating of at lea
12. GENERAL MAINTENANCE These operations are recommended to be performed at regular intervals A BOILER HEATING SURFACES clean off all coatings found Reseal covers B BOILER CONTROLS check contacts settings correct functioning C PIPING check piping and accessories for leaks D CHIMNEY or STUB VENT and BREECHING check for obstruc tions and leaks E COMBUSTION AIR TO BURNER check for continued POSITIVE supply of air as required Air needs are greatest in coldest weather Refer to AIR SUPPLY page 3 F WATER SYSTEM check 1 System to be full of water and pressure to remain stable between 12 psi and 25 psi 2 Aijr control system noise and air binding in radiation should not occur 3 Water lines slightest leaks should be corrected 4 Low water cut off for operation see instructions furnished with unit See page 9 G Se SYSTEM check Low water cut off for operation see instructions furnished with unit See page 9 2 Check pressure cut off for operation See page 10 3 Any unusual water conditions Obtain water analysis and treat water H BOILER ROOM AIR SUPPLY air vents should be open and free of obstruction See page 3 T A flue brush 2 1 4 dia is supplied with boiler Replacements are available from dealer or hardware stores Slant Fin SLANT FIN CORPORATION Greenvale N Y 11548 e Phone 516 484 2600 FAX 516 484 5921 e Canada Slant Fin LTD LTEE Mississauga Ontario www slantfin
13. ING FOR PACKAGED STEAM BOILER For alternate option PS 801 120 L W C O or Hydrolevel Cycle Gard 450 L W C O High Pressure Limit A HYDROLEVEL CYCLE GARD CG 450 L W C O Recomemmeded setting 0 5 PSI O Differential 5 PSI Low Limit Tana Only Re omed setting cF160 LOW WATER ALARM Z OR WATER FEEDER L 4006A O IF EQUIPPED OPTIONAL 120 VAC 60Hz LOW LIMIT JANOT q FOR TANKLESS OPTIONAL E BURNER L2 L1 CONNECT LOOSE WHITEEAD TO PROBE TERMINAL amp FASTEN WITH LOCK WASHER AND WINQUT SEE HYDROLEVELTRNSTIONS MOTOR NOZZLE LINE HEATER DO E IF EQUIPPED a s OTHER IGNITION E z SAFETY 2 CONTROL Z Y Y 4 CONDUCTOR BX CABLIFAYT HARNESS 1 Semer BLUE WIRE AVAILABLIUDEDRONAL ALARM OR WATE Y A FEEDER IF USED PS 800 W20 0 O ME PRIMARY O al CONTROL R7184B e LOOSE WHITE WIRE LEAD TO PROBE GREEN GROUNDING SCREW BURNER JUNCTION BOX FLAME DETECTOR 2 CONDUCTOR BX CABLE QUICK DISCONNEC PLUG STEAM HARNESS 2 FIELD CONNECTED ON PREBRE CUT OUT PRESSURE CUT OUT SeeDetail A fimarngroth han R7184 OVERLOAD PROTECION AND DISCONNECT SWITCH MUST BE PROVIDED AS REQUIRED BY LOOAES ELECTRICAL POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAIPROTECTION AS REQUIRED BY CODES GROUNDING CONDUCTOR GREEN GROUMOZRES ARE FACTORY CONNECTED TO THE GREEN GROUND SCRE IN THIS BOX FIELD WIRE A GROUNDED CONDUCTOR TO THIS SCREW TOGETHEWITH THE GREBMCTORY CONNECTED GEN WIRES gt P Detail A
14. ING SYSTEM an automatic air vent is used to REMOVE air from the system water See figure 6 If system pressure needs further control add an additional tank or install a larger capacity tank The automatic air vent should be installed in the top of the boiler as in figure 6 B CONVENTIONAL COMPRESSION TANKS non diaphragm type are used to control system pressure in an AIR COLLECTING SYSTEM Within the system after initial start up and venting air is collected in the tank and acts in contact with the water to con trol pressure Air is not vented from this system If system pressure needs further control add another tank in parallel with the original tank or install a large capacity tank Locate the tank at the inlet end of the pump near the boiler See figure 7 HI PRESSURE LIMIT NIPPLE 1 4 x CLOSE 1 4 TEE NIPPLE 1 4 x 2 1 2 BOILER WALL Figure 4 SUPPLY 15 MIN NORMAL A WATER LEVEL _ 254 CLOSE NIPPLE RETURN Ch Tau LINE YN CLEAN OUT PLUG Models LD 30 through LD 40 LIBERTY Il C HOT WATER RADIATION VENTING Manual air vents should be installed at the top of all drops where piping goes downward Air must be vented or purged from all zone lines to permit proper system heating D PUMP LOCATION Locating low head pump s on return to boil er is only acceptable in residences of one or two stories See figure 6 The pump location shown in figure 7 is required in large multi sto
15. QT ONNECTED TOHE GREEN END SCREW IN THIS BOX FIELD WIRE A GROUNDED CONDDR TO THISRBW TOGETHENITH THE TWGREEN FACTORY CONNECTED GREWIRES WIRING FOR PACKAGED STEAM BOILER EQUIPPED WITH McDONNELL NO 67 L W C O High Pressure Limit Recommemded setting 0 5 PSI Differential 5 PSI Low Limit tank ddss monly recommemded settingorF60 SOLENOID T VALVE IF EQUIPPED L 4006A LOW LIMIT 120 VAC 60HzZ 24 VOLT A FOR TANKLESS THERMOSTAT MOTOR NOZZLE LINE HEATER IF EQUIPPED OTHER LOW WATER ALARM SAFETY OR WATER FEEDER IGNITION A CONTROL OPTIONAL 3 CONDUCTOR BX CABLE h STEAM HARNESS 5 BLUE V AVAILBLE FOR OPTIONATARM VIOLET WATER FEEDER F USED BLACK N BLUE CONTROL Q T erisas o Lk OS A D A R7184B HPA EE A AU RED Ki BE y MN GREEN UY 9 gt L GREEN GROUNDING SCREW 67 MM L W C O EA FIELD CONNECTION LC BURNER JUNCTION BOX JUNCTION BOX N FLAME FACTORY MOUNTED wawana DETECTOR U U 2 CONDUCTOR BX CABLE QUICK DISCONNECT PL STEAM HARNESS 2 FIELD See Detail Af brprimarother than R7184 aa o T Solenoid valve if equipped Splice Terminal Overload protectionseomnddadt switch musxtowieded as required by local codes On burners without nozzle lind heahert fiel hot line toeshhadk wire from 3 conductor box cabbe 4munction box e A Nozzle line heater elt equipp LIBERTY Il 13 WIR
16. S FOR UNHEATED CRAWL SPACE Figure 3d Appliances located in confined spaces All air from outdoors through ventilated crawl space and outlet air to ventilated attic See Table 2 2 4 INSTALLING CONTROLS AND ACCESSORIES ON BOILER UNITS Note Jacket must be installed on boiler units prior to installation of trim STEAM BOILER TRIM see page 2 for tapping locations and figure 4 for illustration of steam boiler A Steam pressure gauge and pressure cut out install in tapping no 4 figure 4 B Gauge glass set use tapping no 12 C Pop safety valve use tapping no 3 piped full size to boiler or pipe full size into a valveless steam header D Combustion safety control mounted on burner Il WATER BOILER TRIM see page 2 for tapping locations and fig ures 1 and 2 for illustration of water boiler A Pressure temperature altitude gauge use tapping no 6 B High temperature limit use tapping no 7 C Operating control if used use tapping no 7 D Water relief valve use tapping no 3 piped full size to boiler E Automatic air vent or compression tank tappings if used install in tapping no 2 F Combustion safety control mounted on burner PIPING IMPORTANT Boilers are to be used with closed system Any application that uses steam or water from system causes the intro duction of a frequent supply of fresh water into the boiler This will cause damage to the boiler Use of heat e
17. Slant Fin LIBERTY II OIL FIRED WATER AND STEAM BOILERS NO 2 OIL INSTALLATION AND OPERATING INSTRUCTIONS SAFETY WARNING KEEP BOILER AREA CLEAR AND FREE FROM COMBUSTIBLE MATERIALS GASOLINE AND OTHER FLAMMABLE VAPORS AND LIQUIDS FAILURE TO ADHERE TO ABOVE SAFETY WARNING MAY RESULT IN PERSONAL INJURY OR DEATH AND PROPERTY DAMAGE CONTENTS 62s a2 4soe5 one Ge ehede sh eee eee PAGE Ratings and Dimensions 2 Installation Requirements Boiler Location 3 Clearances 3 Chimney Requirements 3 Air Supply and Venting 3 Controls and Accessories 6 Piping for Steam Boilers 6 Cleaning Piping System 6 Piping for Water Units 6 Piping for Tankless Heater 7 Installing Burner D Oil Supply Piping 7 Wiring the Boiler r Vent Piping and Draft Regulator 8 Operating Instructions Precautions Before Starting 8 IR Ge EE 8 Cleaning and Filling New Water Boiler 8 Blowing Off a Steam Boiler 6 9 Cleaning and Filling New Steam Boiler 9 Low Water Cut off Check out 9 Pr
18. TION BOX L8124C or A DISCONNECT FACTORY MOUNTED with tankless heater SCH ENCHO NOZZLE LINE PLUGS i DAY L8148A B VALVE f HEATER OTHER t 1 1 TRYF without tankless heater E E IF EQUIPPED SAFETY 81484 JE A SUBNER CONTROLS AQUASTAT Y 1 c I K MOTOR i R7184B PRIMARY CONTROL IGNITION N VIOLET FLAME DETECTOR FACTORY INSTALLED JUMPER See detail A p 13 for primary other than R7184 SINGLE ZONE WIRING BURNER J BOX MULTIPLE ZONED CIRCULATOR METHOD SPACE HEATING ONLY LEGEND FOR SINGLE AND MULTIPLE ZONED DIAGRAMS NEUTRAL ol 1 FATELI WALNE FH2LLI WIRI LIRE Ye TAGE ES CIRCULATOR ZONE 2 foo ELECTRICAL POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED BY CODES GONTHOL CASE MUST BE CONNECTED TO EARTH GROUND USE GROUNDING SCREW PROVIDED 91 5 MAIN AB TERMINAL gt gt gt gt ZONE WIRING DIAGRAM CIACULATOR METHOD L8124 FIELD CONNECTICN JUNCTION BOX FACTORY MOUNTED a Fore 2 1 Ta220 LARLA ore ABSA A gt i Primary Canl rea OTHER ZH B2 Bi 2 1 3 4 S 6 SAFETY gt O O CONTROLS CO TI C2 Je H 4 ECN E G OO 2 CN Zorn Zone 1 Circulator Circulator Note Total load not to exceed 8 amp full load for circuits shown TGS en EE ei AAA oS SE MA ee Gs ia Deet Ze AS To rone 3 it used P 1 I GROUND E SCREW LA Y O FIELD WIRING FOR AN MULTIPL
19. Y C by Bureau of Air Resources 1 1 2 ABOVE CENTER ELECTRODE NOZZLE 1 8 4 DIA TUBE 6 LONG 3 CHOKE A SETTING SHOWN IN FORWARD POSITION SEE TABLE ABOVE VIEW A A LIBERTY Il CARE AND MAINTENANCE EXTENDED SHUTDOWN CLEANING OR REMOVAL OF BOILER FROM SERVICE DANGER Use CAUTION when handling chemicals and draining hot water from a boiler Scalding water and or chemicals can cause per manent injury to the skin eyes and respiratory system A Shut down burner by disconnecting all electrical power to the burner by turning OFF the BURNER EMERGENCY SWITCH of this boiler After shutting down burner while the boiler is still hot 180 F to 200 F drain water from the bottom of the boiler until it runs clear B Provide corrosion protection conditioning to the boiler water in the heating system There are a number of commercial heating sys tem preparations available from your distributor Follow the prepa ration manufacturer s instructions 1 For steam boilers maintain a sodium chromate solution strength of 16 oz per 50 gallons of water and refill to the top of the gauge glass 2 For water boilers maintain a sodium chromate solution strength of 6 oz per 50 gallons of water and refill to normal fill pressure with system vented 3 Raise water temperature to at least 180 F for one hour to release dissolved gases 4 Shut down burner by disconnecting the main switch
20. Y Il 15 BURNER DATA BECKETT CF 375 BURNERS FOR PACKAGED BOILERS ONLY For knocked down amp boiler burner units see publication no L 42KB Boiler Burner Firing Rate Size Angle amp Oil Pump Pressure Air Shutter Air Band Head Model Model GPH GPH Type MFG Setting PSIG Setting Setting Setting i 10 3 1 T Air shutter and air band settings shown are approximate ONLY See START UP page 8 All burner models shown are single stage HEAD ADJUSTMENTS 40 IS NOT IMPRINTED ON BURNER IS THE FIRST MARK ON THE LEFT MARKER FOR AIR 8 ADJUSTMENT SHOWN IN CLOSED 0 POSITION BAND NS N MOVED CLOCKWISE TO THE RIGHT DIL VALVE TER ADJUSTMENTS TER OPENS CLOCKWISE RIGHT AMPLE SHOWN AT No 6 ITION S 32 GAP SE 7 16 ABOVE t 1 16 See table for approximate settings NOZZLE ELECTRODE ADJUSTMENTS BECKETT 16 LIBERTY Il BURNER DATA RIELLO BURNERS FOR PACKAGED BOILERS ONLY For knocked down amp boiler burner units see publication no L 42KB BURNER RATE BOILER BURNER DESCRIP NO 2 OIL SIZE ANGLE amp MODEL MODEL TION GPH GPH TYPE MFR F short tube F short tube LD 30 40Series with 10 85 HAGO 160 4 50 2 F short tube DELAVAN 25 1 00 HAGO 160 4 00 2 DELAVAN F t LD 40 40 Series with short 60 ES HAGO 2 50 1 F 10 tube DELAVAN 80 1 35 HAGO 180 3 00 1 DELAVAN 00 1 50 l 75 OIL PUMP PRESSURE SETTING
21. clear about a pail then close valve If level in gauge glass has dropped add water to boiler to restore level C NOTE Opening blow off valve checks cut off operation too As float drops with falling water level burner will stop After burner is off and normal operating conditions restored burner will resume firing D Be sure that it is the low water cut off and not the room thermostat pressure cut out or other control that has shut off the burner STEAM CONTROL ASSEMBLY Installed McDonnell amp Miller 67 low water cut off and water level gauge NIPPLE 5x s THD AT BOTH ENDS 2 COMP ADAPT FITTING TEE Ir eg 5 x 3 ADAPTER 3 O D TUBE WATER LEVEL 253 OFF FLOOR WATER LEVEL GAUGE 3 MALE PIPE TO gt OD COMP ADAPT DRAIN PIPE LIBERTY Il PRESSURE CONTROL CHECK OUT A Check burner to be certain it is ready for firing DO NOT FIRE into an empty boiler B Set thermostat high enough for boiler to make steam Set the pres sure control down to its lowest setting As the boiler starts to pro duce steam the steam pressure will start to build The burner will shut off when the steam pressure exceeds the pressure setting plus differential if control has this feature C Adjust the pressure control to a higher setting The higher setting should be above the steam pressure in the boiler This should turn the burner back on D Reset the pressure control as needed for the system The pressure c
22. d fuel burning appliance at the same time unless the solid fuel burner is provided with its own outside air supply See Table 2 Provisions for Combustion and Ventilation Air Supply for determining need and method of providing air for combustion and ventilation If fly screen must be used over air Supply openings areas calculated should be doubled the screen should be inspected and cleaned fre quently to maintain free air flow Protect air openings against closure by snow debris etc Openings such as doors or windows if used must be locked open TABLE 2 Provisions for Combustion and Ventilation Air Supply See NFPA 31 latest edition for more detailed information si Boiler Location Air Supply Action Required Unconfined space Unconfined space Confined space Is there sufficient air for combus tion by natural infiltration see NOTE 1 Test below If there is NOT sufficient air for combustion by natural infiltration due to tight construction or other conditions then it REQUIRES AIR FROM OUTDOORS SEE ACTION REQUIREP column at right See Notes 1 and 2 below If there is sufficient air for combus tion from within building but it comes from outside of the confined space SEE ACTION REQUIRED column at right See Note 1 below If there is NOT sufficient air for combustion due to tight construc tion or other conditions it REQUIRES AIR FROM OUT DOORS SEE ACTION REQUIRED co
23. ection of target wall blanket provided in certain mod els see rating plate main cast iron burner door insulation and burner door fiberglass sealing rope If combustion cham ber parts above are badly deteriorated then replace with origi nal factory parts available at your distributor 6 Use the flue brush to clean the pinned flueways between the sections f A wire brush may be used to remove any carbon accumulation that may have developed in the combustion chamber Vacuum the loose soot and debris from the boiler 7 Inspect the burner combustion head Clean if necessary and make sure all the adjustments are correct See burner data pages for the burner installed Replace oil nozzle with new one and readjust electrodes To insure proper burner opera tion ONLY THE NOZZLES SPECIFIED IN THIS MANUAL OR ON THE BURNER LABEL SHOULD BE USED FOR REPLACEMENT 8 Close main cast iron burner door door on which burner is mounted Make sure that the entire seal fiberglass rope is making good contact with the boiler casting when replacing 3 8 16 x 1 long hex head bolt and tightening 20 Check the flue collector seal This is the flat rope seal on top of the heat exchanger The rope must be in place adjacent to the long boss es on front and rear sections and adjacent to the short bosses on the intermediate sections The rope should be directly under the flue col lector flanges when the flue collector is replaced Use the two 1 4 20 x 3 4
24. ed with water Boiler Approximate Total Weight of Boiler Size Assembly filled with water B The Liberty Il Boiler has full wet base sections which surround fire box for maximum heat absorption of burning fuel and low floor temperature C If boiler is to be located over buried conduit containing electric wires or telephone cables consult local codes or the National Board of Fire Underwriters for specific requirements MINIMUM CLEARANCE Provide accessibility clearance of 24 from surfaces requiring servicing top and front and 18 on any side requiring passage The boiler shall be installed with the following MINIMUM clearances from combustible materials A CHIMNEY CONNECTOR 18 B BACK AND SIDES 6 EXCEPT as limited by 18 clearance from chimney connector NOTE Except in closets and alcoves clearances above in A and B may be reduced by providing forms of protection as specified in NFPA 31 latest edition PITCH UP 1 4 PER LINEAR FOOT BAROMETRIC GRAFT CONTROL DO NOT INSTALL ORAFT REGULATOR HERE ORILL_1 HOLE TO MEASURE TEMPERATURE 18 MINIMUM BAROMETRIC DRAFT REGULATOR INSTALLED ON HORIZONTAL CONNECTOR LC 5 SS ef Ka REECH CHIMNEY REQUIREMENTS A The chimney must be constructed in accordance with all local appli cable codes and the National Board of Fire Underwriters See boiler models and rating table shown on page 2 for chimney sizes B Check chimney condition Existin
25. er 2 000 Btu hr 70 sq in per gal per hr of TOTAL input of ALL appliances in the confined space See Figures 3b 3c and 3d Test for sufficient air for combustion by infiltration by running this boiler for 30 minutes under all of the following conditions and at the same time a all doors win dows and other like openings must be closed b all fuel burning appliances should be FIRING c all exhaust fans and clothes dryers turned ON At the above conditions the CO smoke and draft readings must be normal CO between 11 and 13 smoke between ZERO and a TRACE draft between 02 W C and 04 W C negative pressure 2 Aside from tight construction some of the conditions that steal air for combustion from a boiler are other fuel burning appliances exhaust fans and clothes dryers 3 Generally louvers made of wood have a free open area of 20 and those made of metal have a 60 to 70 free open area Screens also reduce the open area of the louvers LIBERTY Il Figure 3a Appliances located in confined spaces Air from inside the building See Table 2 2 3 VENTILATION LOUVERS EACH END OF ATTIC pa AIR DUCT ENDS 1 FT mE FLOOR Figure 3c Appliances located in confined spaces Air from out doors through ventilated attic See Table 2 2 4 Figure 3b Appliances located in confined spaces Air from out doors See Table 2 2 4 VENTILATION LOUVERS EACH END OF ATTIC INLET AIR VENTILATION LOUVER
26. essure Control Check out 10 Replacement of Steam Boiler 10 Wiring Diagrams 11 13 Bu urn r Dala ce u aus sa u rata ne ee he wee ed eee 14 19 Care and Maintenance Extended Shutdown 20 Freezing Protection 20 Ol BUNEI 2 esivorsiass nE ha maw seu s pea 20 General Maintenance 20 IMPORTANT The installation of this equipment must conform to the requirements of the authority having jurisdiction or in the absence of such requirements to the Installation of Oil Burning Equipment ANSI NFPA 31 latest edition and to the National Electrical Code ANSI NFPA 70 latest edition The installation must also conform to the additional requirements in this Slant Fin Instruction Manual Where there is any differ ence the more stringent requirement shall govern In addition where required by the authority having jurisdiction the installation must conform to American Society of Mechanical Engineers Safety Code for Controls and Safety Devices for Automatically Fired Boilers No CSD 1 latest edition THIS MANUAL MUST BE LEFT WITH OWNER AND SHOULD BE HUNG ON OR ADJACENT TO THE BOILER FOR REFERENCE IMPORTANT This boiler must be installed by a trained experienced service technician licensed for the installation and servicing of oil burning equipment or otherwise qualif
27. g chimneys and stacks may have deteriorated without repairs their use would be hazardous Before connecting to an old chimney or stack Clean it Inspect it thoroughly Remove obstructions Replace worn sections of metal stacks Seal bad masonry joints Repair damaged linings C Where more than one appliance vents into a common chimney the area of the common breeching should at least equal the area of the largest appliance flue plus 50 of the additional flue areas D Breeching area must not be reduced at connection into chimney Breeching must be inserted into but not beyond inside of chimney liner E Chimney height shall extend at least 3 feet above where it passes through the roof of the building and at least 2 feet above any ridge within 10 feet of the chimney F The use of a vent cap where permitted by code gives additional protection against adverse wind conditions and precipitation G Flue Connection Connect flue pipe between top of boiler and chim ney Horizontal sections of flue pipe must be pitched upward to the chimney at least 1 4 per foot Flue must be inserted into but not extend beyond the inside wall of the chimney flue Install draft regu lator in flue pipe as shown in figure 3 O O1 ADN AIR SUPPLY AND VENTILATION see NFPA 31 latest edition Sufficient air for combustion and ventilation in the boiler room must be provided Failure to do this will result in poor combustion heavy
28. ied by the authorities having jurisdiction over the installation Printed in U S A 906 Publication No LD 40 Part No 43 0270 Rev A TAPPINGS AND OPENINGS FLUE COLLECTOR FRONT s Ka supply 3 4 air vent or expansion tank 3 supply 2 supply on rear section second 1 4 siphon amp pressure cutout if required 3 4 steam safety valve 1 4 siphon pressure gauge A pressure cut out 34 water relief valve Vo tankless inlet 1 2 tankless outlet 14 pressure temp gauge 1 high limit hi lo or combination control 3 4 alternate electronic low water cut off 112 skimmer tapping Vo low limit for tankless Vo tankless inlet o tankless outlet 1 2 steam gauge glass amp 67 LWCO 11 bushed to 3 4 for drain cock 11 condensate return 3 NPT zone tapping 11 return 34 drain cock 1 alternate return FRONT 13 LIBERTY Il FRONT VIEW STEAM 11B 42 1A FRONT VIEW WATER 5A 5B 11A 9 6 REAR 14 Rear section LD 50 LD 60 LD 70 steam boilers only Figure 1 s da 1458 Se PRESSURE CUT OUT ASME CONTROL POP SAFETY VALVE SUPPLY RELIEF To SIPHON a VALVE ole P Sue Sauce Sue Ay Combination GLASS Gauge TANKLESS HEATER la Ge HighyLo vd LOW WATER OK a oi Limit or T CUTOFF d Q oJ 2 combination S ara control OBSERVATION E for P
29. lumn at right See NOTE 2 below Confined space NONE Provide air from outdoors directly through a permanent outside wall opening or openings with a free open area of not less than 1 sq in per 4000 Btu hr of TOTAL input of ALL fuel burning appliances in the building See Note 1 and 3 The confined space shall be provided with two permanent air openings one near the top of the enclosure and one near the bottom EACH opening shall have a free air opening of not less than 1 sq in per 1000 Btu hr of TOTAL input of ALL fuel burning appliances within the enclosure The two openings shall freely communicate with the interior areas of the building which in turn would have to have adequate infiltration of air from outdoors See Notes 1 3 and Figure 3a a Air from the outdoors shall be provided to the confined space by two permanent openings one in or near the top of the enclosure space and one in or near the bottom The open ings shall communicate directly or by means of ducts with outdoors or to such spaces crawl or attic that freely com municate with outdoors See figures 3b 3c and 3d Where directly communicating with outdoors or by means of vertical ducts each opening shall have a free area of not less than 1 sq in per 4 000 Btu hr 85 sq in per gal per hr of TOTAL input rating of ALL appliances in the enclosure If horizontal ducts are used each opening shall have a free area of not less than 1 sq in p
30. oiler 1 Fill boiler to proper water line 2 Prepare a boil out solution of sodium hydroxide caustic soda and tri sodium phosphate NOTE Use caution in handling chemicals Caustic soda is harmful to skin eyes and clothing a Proportions 1 lb of each chemical per 50 gallons of sys tem water b Stir chemicals into water until dissolved and pour into the boiler through a top tapping Replace plug 3 Start the burner boil the water for at least 5 hours shut off the burner E With CAUTION drain the boiler solution to a safe location DO NOT LEAVE SOLUTION SITTING IN SYSTEM OVER 2 HOURS F Wash the water side of the boiler thoroughly using a high pres sure water stream Fill and drain the boiler several times II TREATING WATER FOR CORROSION CONTROL This is not scale control A Prepare a solution of sodium chromate Proportions 1 lb per 50 gallons of boiler water B Stir chemical in water until dissolved and pour into boiler through a top tapping Replace plug IV FILLING AND VENTING THE STEAM BOILER A Refill the boiler to the indicated water line B Bring water to boiling temperature promptly C The boiler is now ready to be put into service or on standby BLOWING OFF A LOW PRESSURE STEAM BOILER A A 1 1 2 NPT tapping is provided in the front of the boiler tapping no 9 figure 1 for use as a surface blow down to provide rapid skimming of oil and grease which accumulate on the surface of the water The boiler
31. ontrol should be checked at least twice a year REPLACEMENT OF STEAM BOILERS Anytime an older steam boiler is removed from the heating system and replaced with a new boiler there are certain conditions that have to be examined on the heating system A Steam systems have a tendency to develop scale inside the wet return lines and the boiler The older the system the greater the accumulation of scale that can exist inside the piping Therefore it is necessary when replacing a steam boiler to check the piping for blockage or restrictions Clean or replace the piping as required See special flushing instructions on this page B Replace all buried wet return lines C All equipment air vents radiation equipment etc in the steam heating system should be checked for proper operation All piping should be checked for proper pitch D Itis good engineering practice to repack or tighten the packing nuts on all valves in the heating system SPECIAL FLUSHING INSTRUCTIONS installation of new boiler may break loose a heavy accu mujation of sediment and scale from old piping and radia tors itis extremely important to blow dawn your McDonnell amp Miller Cut off more frequently the first week First week 3 times Thereafter atleast once a week See CARE amp MAINTENANCE section for instructions LOW WATER LIBERTY Il BASIC WIRING DIAGRAMS 11 1 2 Lt FIELD CONNECTION QUICK NEUTRAL HOT JUNC
32. or PT ER gt PORT A boiler OBSERVATION CG OBSERVATION PORT OIL BURNER yi Ta bk Tp PORT 251 SE e ES L Mi Alternate 112 tapping ig for additional circulator 4 PB d PRIMARY a BS Figure 2 COMBUSTION CHAMBER gt 33 4 pe LEFT END WATER A STEAM FRONT WATER BOILER RATINGS DOE Heating DEEN l B A Burner l B R Capacity Net Ratings Water Steam Steam Steam MBH MBH Sq Ft Fae par a Nom Rect x Height in x in x ft Boiler 134 134 101 151 D 40H e HE 17 224 000 195 19 252 000 218 Ed 280 000 243 239 ES E 294 000 329 000 35 2 60 364 000 2 T 399 000 434 000 an Standard working pressure 30 psi water 15 psi steam All boilers hydrostatically tested A S M E For forced hot water heating systems where the boiler and all piping are located within the area to be heated the boiler may be selected on the basis of gross D O E capacity output The net I B R output ratings shown are based on an allowance for piping and pickup of 1 15 water or 1 33 steam D O E capacity gross output is divided by the allowance to obtain net rating The manufacturer should be consulted before selecting a boiler for unusual piping and pickup requirements such as intermittent system operation extensive piping etc Ratings apply to the use of light oil at 140 000 Btu per gallon and apply only when burner models listed on pages 14 16 of this manual
33. osition of the air adjustment plate will vary on each instal lation Use instruments to establish the proper settings for maximum CO and a smoke reading of zero NOTE Variations in flue gas smoke COs 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 i test results 1 8 5 32 Figure 11 NOTE ELECTRODES ARE PRESET AT THE FACTORY REGULATION OF THE TURBULATOR AND AIR SHUTTER FOR PROPER COMBUSTION Turbulator Setting 1 Loosen nut 1 then turn the screw 2 until the index marker 3 is aligned with the correct index number 2 Retighten the retaining nut 1 TURBULATOR SETTINGS RIELLO 40 SERIES The numbers on the casting are there to denote the high and low end of the scale in all cases the first mark if Zero The air oil ratio depends on accurate setting of the turbulator disc Be careful when making this adjustment as an incorrect setting will result in an unsatisfactory installation See figures 10A and 10B Figure 10A Figure 12 FOR PROPER INSERTION INTO COMBUSTION CHAMBER MODEL F 5 2 COMBUSTION FOR BOILER MODELS LD 40 amp LD 50 USE CHAMBER RELLO EXTENSION FLANGE NO RG 9018C IK FOR MECTRON 10 BURNER Figure 10B Spano MODEL F 10 18 BURNER DATA CARLIN BURNERS FOR PACKAGED BOILERS ONLY For knocked down 4 boiler b
34. ould open and the burner should shut off automatically If the high limit does not operate to shut off the burner the high limit or the wiring is faulty Repair or replace immediately mg om gt T WATER CONTENT OF BOILER GALLONS aa 107 131 195 78 202 ae 10 8 8 Without tankless coll VOLUME OF WATER IN STANDARD PIPE OR TUBE Nominal Pipe Gallons Inside Gallons Size per Dia per GE Lin Ft Inches Lin ft LIBERTY Il CLEANING AND FILLING A NEW STEAM BOILER l BEFORE USING STEAM BOILER A Check burner to be certain it is ready for firing DO NOT FIRE into an empty boiler B Be prepared to heat raw water to at least 180 as soon as it is introduced into the boiler This procedure will remove dissolved corrosive gases C Provide drain line with valve from boiler Use a bottom tapping Line and drain must be suitable for handling caustic solution D Check for low water cut off operation see section below for check out I CLEAN STEAM BOILER SYSTEM A Fill the boiler to water line indicated on the boiler B Follow start up procedure for burner and operate the boiler with steam in the entire system for 2 or 3 days to bring oil and dirt from the system to the boiler While system is in operation maintain the proper water level in the boiler by slowly adding water to the boiler C Shut down burner cool down boiler and drain system D Procedure to dissolve oil and grease in b
35. rews OPERATING INSTRUCTIONS PRECAUTIONS BEFORE STARTING OIL BURNER Make a positive check of A through F before starting burner A onmo om Boiler and system are full of water All air is vented from system See below All wiring is completed See pages 11 13 Oil supply is connected to the burner nozzle is installed correctly oil valve is open at tank Smokepipe is connected to chimney All combustible materials are cleared away Combustion air supply is provided See page 3 Burner settings are adjusted as per pages 14 18 and as shown on boiler jacket Main cast iron door on which burner is mounted is bolted shut and fiberglass rope seal is making good contact WARNING NEVER OPERATE any natural draft boiler Liberty II boiler is a natural draft boiler with zero draft or over fire pressure early failure of the burner nozzle and chamber is inevitable if you do Use a draft gauge and make sure that overfire draft is 02 minimum during all operating conditions Draft is negative or suction pressure START UP COMBUSTION TEST INSTRUMENTS MUST BE USED A B C Make sure the boiler is installed and wired properly and is full of water Open the observation door on the front above the burner Start the oil burner see burner instructions for bleeding air from oil etc IMMEDIATELY set burner air bands to obtain a bright fire with out smoke or oil stain Set the DRAFT R
36. ry building installations especially when high head pumps are used and is also recommended for all applications E A conventional compression tank may be connected to the 3 4 tapping as shown in figure 7 IMPORTANT Hot water heating systems containing high water volume such as would occur with cast iron radiation require special care with air elimination The circulator pump should be located on the boiler supply PRESSURE REDUCING VALVE by others RELIEF VALVE Dpinaou gt E COMPRESSION TANK RETURN ALTERNATE PUMP LOCATION FLOW CONTROL VALVE TO ZONES AUTOMATIC AIR VENT SUPPLY SUGGESTED LOCATION OF OPTIONAL AIR SCOOP TANK AND AIR VENT PACKAGE pipe and the expansion tank and air scoop should be located near the pump suction See Figure 6 Alternate Pump Location PIPING TANKLESS HEATER if used Heater capacities are listed on Page 2 Il Pipe the built in tankless heater using the inlet and outlet tappings indicated on the heater figure 8 A Tempering valve illustrated but not furnished is suggested to provide more volume of temperate water to kitchen and bath B High temperature water for dishwasher and laundry may be piped direct C A flow control valve should be used to control the rate of flow of water through the coil otherwise the heating capacity of the coil will be exceeded To insure sufficient hot water the flow rate through the coil should be limited to a maximum sho
37. should be blown down as outlined below B Turn off electrical power supply to boiler Allow boiler to cool down and steam pressure to reduce to zero before removing skimmer tapping plug Check for steam pressure by testing the pop safety valve Keep your hands and all parts of your body away from the discharge end of the safety valve Drain boiler down one to two inches below skimmer tapping The water might be hot Remove skimmer plug slowly and carefully install a 150 psi malleable iron 1 1 2 NPT street elbow a 1 1 2 NPT skimmer valve and length of pipe and place a bucket underneath the open end of the pipe Cover bucket with a piece of cloth See figure 9 C Fill boiler slowly until water level is two inches from top of gauge glass This is the starting water level for skimming only Fire boiler to produce steam If the system is heavily laden with oil it may be diffi cult to obtain much more than a pound or so of pressure Set the pressure control at about 7 psi The higher the steam pressure you can use the better and faster the cleaning D As steam develops open the SKIMMER drain valve with caution to skim the oil and film from the top of the water DO NOT open the boil er drain valve Close the skimmer drain valve when the water level drops to about 5 from the top of the gauge glass The water may stop before the level drops to 5 below the top of the glass Refill boil er until water level is again two inches from the top of
38. soot ing and health hazards PITCH UP 1 4 PER LINEAR FODT DO NOT INSTALL DRAFT REGULATOR HERE BAROMETRIC DRAFT CONTROL SCH P d DRIL w HOLE TO MEASURE DRAFT SMOKE CDs AND SE TEMPERATURE S BAROMETRIC DRAFT REGULATOR INSTALLED ON VERTICAL RISE MINTMUM 1 Figure 3 Barometric Draft Regulator Any oil fired boiler must have a steady draft and an ample supply of combustion air at all times during firing If air supply or chimney draft is unreliable CO and overfire draft will change unpredictably DO NOT vent this boiler to the same chimney flue used by a fireplace or coal or wood burning furnace or boiler The draft produced by solid fueled devices varies tremendously between high fire and low fire In modern weather stripped energy saving buildings or older buildings which have been modified similarly natural infiltration may not supply enough air for combustion particularly if other fuel burning appliances exhaust fans or draft inducers are competing for the same air supply Fireplaces other solid fuel burning appliances and exhaust fans con sume great quantities of air if air supply is not ample such an appliance will create a downdraft in the oil fired boiler flue This can create a haz ardous condition Flue gases can be sucked out of the chimney through Draft is negative or suction pressure LIBERTY Il the vent regulator into the living space DO NOT operate this boiler and a soli
39. st 400 F All safety precautions indicated on material package must be followed LIBERTY Il G Once burner and draft have been set up then smoke COs and stack temperature should be checked and recorded If smoke is greater than trace review the burner instructions replace the nozzle if necessary Normal smoke to be expected at approximately 13 CO is zero to a trace CLEANING AND FILLING A NEW WATER BOILER There are a number of commercial preparations available from your distributor for cleaning and for corrosion protection conditioning the internal waterside surfaces of boilers Follow the preparation manu facturer s instructions DANGER Use CAUTION when handling chemicals and draining hot water from a boiler Scalding water and or chemicals can cause permanent injury to the skin eyes and respiratory system Il Filling and venting the water boiler after cleaning Refill the system with fresh water Bring water temperature to at least 180 F promptly Circulate water through entire system Vent the system including the radiation The boiler is now ready to be put into service or on standby If brand name air control devices are used venting instructions furnished with the devices should be followed Safety check for control system High limit control test Set thermostat high enough for boiler water temperature to reach high limit control setting When this tempera ture is reached the high limit switch sh
40. the gauge glass E Repeat D above until all film is skimmed off and the water settles to a normal movement Add make up fresh water to the boiler as described in D above during the blow off operation to maintain the proper skimming water level in the vessel Empty bucket frequently in order to see the difference in water cleanliness F When surging has stopped and water is clean and no film can be seen floating in the bucket shut off boiler drain down to level of skim mer tapping remove valve plug skimmer tapping and refill the boiler to 24 1 2 water level After 15 minute operation readjust level to normal operating level of 25 1 2 from bottom of boiler see figure 9 Check the pop safety valve for proper operation Check the low water cut off operation see below G The entire process may have to be repeated over a period of a few days on extremely fouled systems LOW WATER CUT OFF CHECK OUT Electronic probe type low water cut off If this boiler is factory equipped with an electronic probe type low water cut off operation of cut off should be checked at least twice a year as follows A While boiler is running drain down boiler water slowly through Boiler Drain Cock shown on page 4 just until light goes on Boiler should shut down 10 seconds after light goes on B Be sure that it is the low water cut off and not the room thermo stat pressure cut out or other control that has shut off the burner C Refill the
41. urner units see publication no L 42KB NOZZLES OIL PUMP PRESSURE SETTING PSIG FIRING RATE BOILER BURNER NO 2 OIL SIZE ANGLE 4 MODEL MODEL GPH GPH TYPE DELAVAN LIBERTY Il An APPROX APPROX AIR BAND HEAD SET OPENING TING NO t 2 1 2 DEG DELAVAN 99 FRD 99 FRD WRAPPED SHIELD 1 25 1 25 LD 40H 1 50 1 50 LD 40 1 60 1 50 AIR TUBE FOR L 20 LD 30 2 LD 40 1 3 4 DELAVAN 102 CRD 70 SS HAGO 105 5 0 90 60 W DELAVAN 45 P HAGO 100 3 0 40 DELAVAN DELAVAN 110 3 0 50 5 0 60 5 0 50 DELAVAN HAGO 6 0 80 DELAVAN DRIP HOLE 5 0 50 8 0 90 lt e an 90 ae 71332 3 35 60 SS HAGO 125 10 0 9 102 CRD 60 W DELAVAN 78790 3 10 3 00 60 B DELAVAN 107 BAR N Y C 102 CRD 60 SS HAGO ONLY I f LD 70C 71332 3 00 275 60 SS HAGO 119 7 0 8 0 80 90 102 CRD 60 W DELAVAN Head and air band settings are approximate ONLY See START UP on page 8 and burner figure below All burner models shown are single stage NOTE 1 The air shutters on the burners tor models LD 20 LD 30 and LD 40 are blank closed 2 The air shutters on the burners for models LD 50 LD 60 and LD 70 are full open 3 Single slotted air band for LD 20
42. wn for inter mittent draw in the ratings table on page 2 COMPRESSION TANK RELIEF VALVE INSTALLING THE BURNER See Burner Data pages 14 18 and Burner Manual supplied with burn er If burner is not mounted as received mount to boiler placing flange over mounting studs Use gasket between flange and boiler Distance between flange and nose of burner must be as shown on pages 14 18 Check to see that nozzle and settings are as given in burner data tables pages 14 18 TO COMPRESSION RELIEF VENT OIL SUPPLY PIPING Install the oil tank or tanks and piping from tank to burner Follow local T codes and practices NFPA No 31 INSTALLATION OF OIL BURNING ALTERNATE EQUIPMENT and the instruction sheet attached to the oil burner pump CONNECTION A one pipe system should be used for gravity fed fuel systems and for lift systems where the total lift is less than 8 feet Where the total lift is greater than 8 feet a two pipe system must be used In some instances local codes may require a two pipe system for below grade fuel oil tanks Be sure to set up the fuel oil pump for the piping system used follow the instructions attached to the pump Be sure to include a good quality low pressure drop fuel oil filter in the supply line from the tank This is necessary especially at low fuel oil flow rates small nozzle sizes to prevent nozzle plugging See Slant Fin publication on one pipe and two pipe fuel oil systems HIGH TEMPERATUR
43. xchangers will prevent this damage PIPING FOR STEAM BOILERS Provide Header and Hartford Loop as suggested See figures 4 and 5 Local codes apply CLEANING PIPING SYSTEM A To clean piping system open all valves at the heating elements After getting up a good head of steam shut the boiler down and allow the condensate to return to the boiler The condensate will carry the oil film with it Again blow off the boiler On extremely fouled systems it may require several visits over a few days to clean the system B When steam only no water is released through the hand valve the boiler will not surge or flood Boiler A Size Dim LD 50 NORMAL LD 70 2219 Wa BOILER SS Ww N ei The NIPPLE REAR OF RETURN 11 2 SS CLEAN OUT PLUG Models LD 50 through LD 70 Figure 5 Recommended Steam Piping at Boiler LIBERTY Il PIPING FOR WATER UNITS NOTE On knocked down boiler only jacket may be installed after sup ply and return piping connection but must be installed prior to adding trim CIRCULATING SYSTEM A FORCED CIRCULATION hot water heating system Use the top tapping as supply tapping and use the front or rear bottom tappings for the return B A FLOW CONTROL VALVE See figure 6 will prevent gravity circulation and usually is required when tankless heater is installed I AIR CONTROL SYSTEMS A DIAPHRAGM TYPE COMPRESSION TANKS are used to con trol system pressure in an AIR ELIMINAT
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