Burnham 20_PV_I Boiler User Manual
Contents
1. Cerafelt Gasket 1 2 x 2 Johns Mansville CRF 400 1 6206002 k UJ o ee ES s 30 m 3 3 Screw Self Tapping Type F Phillips Pan Head 20 x 1 2 Plated Screw Self Tapping 5 16 18 x 1 4 80860717 3M Flat Washer 5 16 4 Common Hardware 3N Hex Lock Nut 5 16 18 4 80860464 Screw Sheet Metal Phillips Head 8 x v2 2 Common Hardware 20 80860700 A c NOTE SEE PILOT AND GAS VALVE GROUP Quantity Part Number Key No Description 4 Manifold and Main Burners 4D Main Burner Orifice 55 Green 3 822708 LP Propane Only Main Burner Orifice 1 25mm Purple 5 822705 7 822705 9 822705 Screw Machine 10 32 x 3 16 2 80860800 Screw Self Tapping Type F Phillips Pan 4F RO dd 2 4 80860700 Head 1 4 20 x 1 2 Plated Key Quantity Part Number Description No 203PV 204PV 205PV 206PV 5 Pilot Burner and Gas Valve Pilot Assembly Natural Gas Honeywell Q348A1333 1 8236104 Pilot Assembly LP Gas Honeywell Q348A1341 1 8236107 Pilot Orifice Natural Gas Honeywell 388146NE Included with Key No 5A Pilot Orifice LP Propane Honeywell 388146KP Gas Valve x Natural Gas Honeywell VR8204C6000 Gas Valve x 2 LP Propane Honeywell VR8204C6018 5A 5B 5C Compression Nut Fitting 1 8 OD NPT Included with Key No 5A and 5E D2. L Fe OS p 3 E 2 P Hoot I LMT _ 85 KVESTIBULE PIPING enon ENITER I om 7 PRESSURE SENSOR I SWITCH y I DUAL LMT OPTION FLANE ROIL QUT MODULE EXTERNAL SCHEMATIC DIAGRAM LEGEND SWIG Weed ail Low VUE ME 1 Awe TYPE TEW AWM STRANDED WIRE 19 C or 5 LOW VOLTAGE AWG POWER LIMITED CIRCUIT CABLE 105 C VOLTAGE E 18 Awe TYPE TW OR TEW AWN WRE Pi IDNTER S SENSOR E MONEYWELL 38 BoD CABLE NS WIRE CODE IGNITION ae cl 89 GROUND CONTINENTAL SRGX600 SUE 18 AWG WIRE 200 DUAL OPTION MODULE 20 NOTES BL BLUE 1 IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE APPLIANCE MUST BE REPLACED IT MUST BE BL RD BIE M RED VALVE gt REPLACED WITH WEE AS SHOWN OR TS EDUWALENT CR YE GREEN WITH YELLOW TRACE SCREW IN VESTIBULE f BN LADDER DIAGRAM LEGEND 3 R CONTROLS SUPPLED BY INSTALLER SHOWN FOR DOMESTIC HOT WATER RD RED 244 mn MG CREULATOR ZONING WHITE 4 REVERSE ACTING CIRCULATOR L IF USED SUPPLIED BY INSTALLER YE YELLOW 120 WRANG Figure 10 Wiring Diagram VII System Start up A Safe operation and other performance criteria were met with gas manifold and control assembly provided on boiler when boiler underwent tests specified in American National Standard for Gas Fired Low Pressure
3. 2 Massachusetts Athens Belmont Gallia gt Michigan Jefferson Lawrence Meigs gt Minnesota Monroe and Washington gt Mississippi Counties gt Missouri All other Counties Oklahoma A Canada gt Montana Quantity Part Number 203PV 204PV 205PV 206PV 617170321 617170621 1 1 1 1 61117034 61117044 61117054 61117064 2 Common Hardware y No Description 1 Section Assembly 2 Canopy Blower Assembly 2A Canopy arriage Bolt 4 20 x 1 asher 1 4 SAE 10 Common Hardware UJ ut 4 20 Heavy Hex lower Mounting Gasket Included in Key No 2F 1 8206048 2 Common Hardware 1 8206049 ower 1 6111714 1 6111715 rifice Plate Gasket 2 Included in Key No 2F 2 8206042 2 8206035 1 1 1 1 rifice Plate 71117035 71117045 71117055 71117065 ressure Fitting Dwyer A308 1 822657 ex Nut 1 4 20 Brass 4 Included in Key No 2F 4 80860424 G c 0 K 2L mm I ex Locknut 20 4 Common Hardware vivi v mimijojo 00 Key D Ww Quantity Part Number No escription 203PV 204PV 205PV 206PV 3 Base Assembly Group 3 1 618600391 1 618600491 1 618600591 1 618600691 ETS ESE EEE 3C 1 618600341 1 618600441 1 618600541 1 618600641 3D 1 718600305 1 718600405 1 718600505 1 718600605 x DET E
4. JED FR M BURN A A P Je fa N gt Figure 16 Main Burner Flame J Check thermostat operation Raise and lower temperature setting to start and stop boiler operation K Check ignition control module shut off Disconnect igniter sensor cable from Terminal 9 SPARK Gas valve should close and pilot and main burners should extinguish L Check low water cut off if used Drain boiler water below LWCO set point Burners should extinguish M Check limit 1 Adjust thermostat to highest setting 2 Observe temperature gauge When temperature is indicated adjust limit to setting below observed temperature Main burners and pilot burner should extinguish and blower stop 3 Adjust limit to setting above observed temperature Ignition sequence should begin 4 Adjust thermostat to lowest setting Adjust limit to desired setting N Adjust gas input rate to boiler Natural Gas 1 Adjust thermostat to highest setting 2 Check manifold gas pressure Manifold pressure is listed on rating label Adjust gas valve pressure regulator as necessary turn adjustment screw counterclockwise to decrease manifold pressure or clockwise to increase manifold pressure If pressure can not be attained check gas valve inlet pressure If less than minimum gas supply pressure listed on rating label contact gas supplier for assistance 3 Clock gas meter for at least 30 seconds Use Table 6 to determine gas flow
5. HOSE BIB OF FLGOR OR TO DRAIN gt lt SHUT OFF VALVE Ip j C ON SINGLE CIRCUIT APPLICATIONS 95 BALANCING VALVES AND ZONE VALVES ARE NOT NEEDED ON MULTIPLE CIRCUITS WITHOUT ZONE VALVES A BALANCING BY PASS VALVE SHOULD BE USED WITH EACH ZONE THROTTLE VALVE DRAIN VALVE FRONT OF BOILER Figure 3 Recommended Boiler Piping For Series Loop Hot Water Heating Systems WATER CHILLER HEATING SHUT OFF BOILER SHUT OFF VALVES VALVES AIR CUSHION TANK CIRCULATOR SUPPLY MAIN TO RETURN MAIN FROM COMBINED HEATING COMBINED HEATING amp COOLING SYSTEM amp COOLING SYSTEM Figure 4 Recommended Piping for Combination Heating amp Cooling Refrigeration Systems 7 IV Gas Piping A Size gas piping Design system to provide adequate gas supply to boiler Consider these factors 1 Allowable pressure drop from point of delivery to boiler Maximum allowable system pressure is 2 psig Actual point of delivery pressure may be less contact gas supplier for additional information Minimum gas valve inlet pressure is listed on rating label 2 Maximum gas demand Table 1 lists boiler input rate Also consider existing and expected future gas utilization equipment i e water heater cooking equipment Table 1 Rated Input Input Rate cubic feet per hour Natural Gas LP Propane 3 Length of piping and number of fittings Refer to Table 2 for maximum capacity of Schedule 40 pip
6. PE m h ELE sam 1 sms Eas m zm ma s Raza d l a a F ba ee wH mcm DONEC ma sma ws sa mn m NEN s ON m mcm mcm mamsm ee 2 SEO RR L FT aa a umcm man mms ns G mu s ms Pipa m Figure 17 Operating Instructions Adjust gas valve pressure regulator as necessary turn adjustment screw counterclockwise to decrease manifold pressure or clockwise to increase manifold pressure If pressure can not be attained check gas valve inlet pressure If less than minimum gas supply pressure listed on rating label contact gas supplier for assistance 3 Recheck Main Burner Flame 4 Adjust thermostat to normal setting P COMBUSTION CHAMBER BURN OFF 1 The mineral wool combustion chamber panels contain a cornstarch based binder that must be burned out at installation to prevent odors during 16 subsequent boiler operation 2 Ventilate the boiler room set the high limit to its maximum setting set the thermostat to call for heat Allow the boiler to fire for at least an hour or until the odor from the cornstarch has dissipated 3 Return the high limit and thermostat to their desired settings Q Review User s Information Manual and system operation with owner or operator R
7. Procedure for joining pipe and fittings See Figure 8 a Clean pipe or fitting Remove all dirt and grease b Slip locking band over pipe fitting bell Apply continuous 4 inch bead of sealant around bead end of pipe fitting no more than s inch from end d Insert pipe fitting into bell Smooth sealant for continuous seal around gap between bead and bell Apply additional sealant if necessary e Slip locking band over joint and tighten Do not secure joint with sheet metal screws or pop rivets E Horizontal Through Wall Vent Installation 1 Maintain minimum inch per foot slope in horizontal runs Slope pipe down toward vent terminal CAUTION Moisture and ice may form on surfaces around vent terminal To prevent deterioration surfaces should be in good repair sealed painted etc 11 2 Vent terminal location restricted per following a Minimum 12 inches above grade plus normally expected snow accumulation level or 7 feet above grade if located adjacent to public walkway Do not install over public walkway where local experience indicates condensate or vapor from Category appliances creates a nuisance or hazard VIR 44 ECAC LOOK Y3 5 AANI PIFI MOT JSF VSTA H ROARS 1 87 ZE FHC 558265 2 SECS TL 2 MTS R x FRY I dx s i b B z 1 ME b i lt A D o i
8. be leak tested before placing boiler in operation Protect boiler gas control valve For all testing over Y psig boiler and its individual shut off valve must be disconnected from gas supply piping For testing at psig or less isolate boiler from gas supply piping by closing boiler s individual manual shut off valve 2 Locate leaks using approved combustible gas detector soap and water or similar nonflammable solution Do not use matches candles open flames or other ignition source 2 xd a a GROUKE Fd JOINT Ls OK T Ep 07 F s N ml SY 22222 Tee ES teta 23 mo e AK P r Figure 6 Recommended Gas Piping Table 2 Maximum Capacity of Schedule 40 Pipe in CFH For Gas Pressures of 0 5 psig or Less me Co TL RR 350 730 120 250 465 Table 3 Fitting Equivalent Lengths Table 4 Specific Gravity Correction Factors Specific Correction Specific Correction Gravity Factor Gravity Factor o Nominal Pipe Size Fitting Tee As Elbow V Venting A General Guidelines Flex L International Inc Star 34 Protech Systems 1 Vent system installation must be in accordance with Inc lt FasNSeal and US y Tne National Fuel Gas Code 54 ANSI 7221 3 The use of these alternate manufacturer s venting Part 7 Venting
9. No 6111716 b If passageways need cleaning remove burners as described in Paragraph F below Using long handle wire or bristle flue brush and vacuum brush flueways thoroughly from top of boiler as illustrated in Figure 19 Replace canopy and seal using kit available from Burnham Distributors Part No 6111716 WARNING Canopy must be resealed with RTV 732 Silicone Rubber Sealant 500 F Intermittent Duty 6 Reinstall jacket top panel vent pipe and vent connector in reverse manner Reconnect electrical connector to blower F Clean Main Burners and Firebox 1 To remove burners for cleaning changing orifice plugs or repairs a Remove jacket Front Panel b Disconnect pilot tubing at gas valve c Disconnect igniter sensor cable and ground wire at Ignition Module d Disconnect Flame Rollout Switch wires e Remove Burner Access Panel f Mark Pilot Main Burner location on Manifold g Hold burner on throat Lift slightly to clear orifice Pull burner from combustion chamber See Figure 11 Pilot Main Burner can only be removed by lifting at 45 angle after adjacent burner to right is removed 2 Brush top of burners with a soft bristle brush See Figure 19 Vacuum burners 3 Check orifices Drilled passageways must be free of lint or dirt 4 Vacuum tip of Pilot Burner 5 Clean firebox by vacuuming Exercise care not to disturb insulation inside base 6 Install burners by reversing procedure
10. Post instructions near boiler for reference by owner and service personnel Maintain instructions in legible condition TROUBLE SHOOTING GUIDE SPLIT SEPARATE CONTROLS 24 VOLT OPERATION WITH ELECTRONIC IGNITION AND INTERMITTENT CIRCULATION NOTE 1 Read Sequence of Operation prior to using Trouble Shooting Guide See Page 14 2 Prior to replacing a control always check for broken wires or loose connectors that provide power to that control 17 18 Note Minimum pilot signal should be 1 0 microamps Disconnect Pilot Ground wire from Module and connect DC microammeter between Ground Terminal and Pilot Ground wire 19 Important Product Safety Information Refractory Ceramic Fiber Product Warning This product contains refractory ceramic fibers RCF has been classified as a possible human carcinogen After this product is fired RCF may when exposed to extremely high temperature gt 1800F change into a known human carcinogen When disturbed as a result of servicing or repair RCF becomes airborne and if inhaled may be hazardous to your health AVOID Breathing Fiber Particulates and Dust Precautionary Measures Do not remove or replace previously fired RCF combustion chamber insulation target walls canopy gasket flue cover gasket etc or attempt any service or repair work involving RCF without wearing the following protective gear 1 A National Institute for Occupational Safety and Health NIOSH approv
11. Steam and Hot Water Boilers ANSI Z21 13 Fill heating system with water and vent air from system Use the following procedure on a Series Loop System equipped with zone valves See Figure 3 1 Close isolation valve in boiler supply piping 2 Isolate all circuits by closing zone valves or balancing valves 3 Attach hose to bib cock located just below isolation valve in boiler supply piping Terminate hose in five gallon bucket at a suitable floor drain or outdoor area 4 Starting with one circuit open zone valve Open bib cock 6 Open fill valve Makeup water line should be located directly above isolation valve in boiler supply piping 7 Allow water to overflow from bucket until discharge from hose is bubble free for 30 seconds 8 Open zone valve to second zone to be purged then close first Repeat this step until all zones have been purged but always have one zone open At completion open all zone valves 9 Close bib cock continue filling system until pressure gauge reads 12 psi Close fill valve Note If makeup water line is equipped with pressure reducing valve system will automatically fill to 12 psi Leave globe valve open 10 Open isolation valve in boiler supply piping 11 Remove hose from bib cock C Check main burners See Figure 11 Rear of burner must be in vertical slot in rear of burner tray Front of burner must be seated on orifice Meni 1 H BUCKET THSKES
12. disconnect Connect to black and white wires and green ground screw See Figure 10 Alliance water heater if used See Figure 10 Also refer to Alliance Installation Operating and Service Instructions 1 Zoning with Circulators Domestic Hot Water Priority Provide DPDT relay included with PAL Connect coil to Alliance thermostat prewired with PAL Connect normally open contacts red and white wires in PAL control harness to transformer terminals R and Y Disconnect yellow circulator wire Connect normally closed contacts violet wires in PAL boiler harness to yellow relay wire and yellow circulator wire Zoning with Circulators Nonpriority Connect Alliance circulator zone control or red and white wires in PAL control harness to transformer terminals R and Y Zoning with Zone Valves Connect Alliance thermostat to zone valve Connect zone valve end switch to relay terminals R and G See Paragraph F For installations using zone valves provide separate transformer for zone valve wiring Consult zone valve manufacturer for assistance POWER u L2 CNO SUPPLY PRESSURE POWER SUPPLY C hn 120 60 1 SWITCH 120 60 1 REVERSE ACTING ALLIANCE FS CIRCULATOR CONTROL RELAY 0 Bc P Ni MH ee eee Ed it ere ee eee s jd ace 1 SECONDARY OL cE I Ho pe I jd ALLIANCE RELAY I I SW s YN 4 6
13. of Equipment and or CAN CGA systems will require adapters to connect to the B149 Installation Codes Section 7 Venting Systems Burnham supplied vent connector and vent terminal and Air Supply for Appliances or applicable These adapters are not supplied with this unit and provisions of local building codes Contact local should be obtained from the supplier of the alternate building or fire officials about restrictions and Senis systern See Taplosdor installation inspection in your area complete list of Burnham Vent System Components 2 This appliance requires a Special Gas Vent Use Vent Connector and Vent Terminal in Vent Accessory WARNING Carton provided with boiler See Repair Parts Key No 8 The product is designed to use Burnham supplied AL 29 4C Stainless Steel vent system components The following manufacturers offer similar AL 29 4C components and are approved for use with this product Heat Fab Inc Saf T Vent Do not use this appliance with nonmetallic vent systems such as Hart amp Cooley Ultravent Plexco Plexvent or Selkirk Metalbestos Sel Vent Table 5 Burnham Vent System Components Burnham Component Part Part Number Number 3 Dia Pipe x 1 Ft 61160112 8116135 Burnham Vent System Cartoned Component Complete with Locking Band s 6116033 Contains 4 4 ft lengths 6116040 Contains 2 4 ft lengths 3 Vent length restrictions are based on equivalent feet o
14. orifice plate gaskets orifice plate and vent connector See Figure 7 4 Secure vent connector with washers and locknuts WASHER SOK NUN VENT VCONN C OR c n Figure 7 Vent Connector Installation 10 D Install Vent Pipe General 1 2 Start at vent connector Work toward vent terminal Use inch pipe strap to support horizontal runs maintain vent location and slope and prevent sags Do not restrict thermal expansion movement Maximum support spacing is 5 feet Provide minimum 5 inch clearance to combustible materials Use thimble when penetrating combustible wall a 203PV and 204PV Single wall thimble Burnham Part No 8116116 Other wall thimble manufacturers are American Metal Products Hart amp Cooley and Metal Fab b 205PV and 206PV Double wall thimble Burnham Part No 8116115 accomodates 5 to 834 wall thickness Another wall thimble manufacturer is Hart amp Cooley Cut pipe to length using hacksaw with minimum 32 teeth per inch or circular saw with metal abrasive wheel Remove bead end only bell end accepts next fitting or pipe Cut must be square with pipe Scrape off burrs with sharp edged tool Note If remaining pipe less bell must be used beaded end of mating pipe fitting must be crimped Seal all joints using Dow Corning Silastic 732 RTV Dow Corning Silastic 736 RTV Polybac 500 RTV or Sil bond RTV 4500 Acetoxy Do not use other adhesives or sealants
15. rate in Cubic Feet per Hour 4 Determine Input Rate Multiply gas flow rate by gas heating value 5 Compare measured input rate to input rate listed on rating label 15 Table 6 Gas Flow Rate in Cubic Feet per Hour Size of Gas Meter Dial One Half One Cu Ft Cu Ft Seconds for One Revolution Cu CER O fo 212 N N oa 5 o o N RIN N gt a Boiler must not be overfired Reduce input rate by decreasing manifold pressure Do not reduce more than 0 3 inch w c If boiler is still overfired contact your Burnham distributor or Regional Office for replacement Gas Orifice b Increase input rate if less than 98 of rating label input Increase manifold gas pressure no more than 0 3 inch w c If measured input rate is still less than 98 of rated input i Remove Main Burners per procedure in Section Service H Remove gas orifices Drill one 1 drill size larger drill size is stamped on orifice or see Key No 4D Reinstall gas orifices and main burners Measure input rate 6 Recheck Main Burner Flame 7 Adjust thermostat to normal setting 8 Return other gas fired appliances to previous conditions of use O Adjust gas input rate to boiler LP Propane 1 Adjust thermostat to highest setting 2 Check manifold pressure Adjust gas valve pressure regulato
16. thimble opening from outside and join to vent system Apply sealant between vent pipe and opening thimble to provide weathertight seal 4 uA va 7 KO TI 1 2 CTS ULC anthers ot w tro ce OCOMTOSTOOR WALT SIRR EAM TAMA NON COMBUSTTRLE WALL SINGLE WALL THIMBLE 7 uA Pul wc aM WML 3 4 2 Ato OOD NW FITTED D T n MS COMRISTINIE Wald CNA DOIN WALT TANNER Figure 9 Recommendations for Thimble and Wall Penetration Vi Electrical A N m General Install wiring and ground boiler in accordance with requirements of authority having jurisdiction or in absence of such requirements the National Electrical Code ANSI NFPA 70 and or the CSA C22 1 Electric Code Install thermostat Locate on inside wall approximately 4 feet above floor Do not install on outside wall near fireplace or where influenced by drafts or restricted air flow hot or cold water pipes lighting fixtures television or sunlight Allow free air movement by avoiding placement of furniture near thermostat Wire thermostat Provide Class II circuit between thermostat and boiler Run wires through grommet in Jacket Left Side Panel Set thermostat heat anticipator to 0 6 amps See Figure 10 Wire boiler Boiler is rated for 120 VAC 60 hertz less than 12 amperes Provide individual branch circuit with fused
17. used to remove burners Burner with pilot assembly must be in same location as original installation See Table 7 Burners must be properly located on support bracket Table 7 Pilot Burner Location IGNITIGR F FZTRODF X GROUND Pilot Burner Located FLAN lt x SOP i TF Between Main W A Burners Boiler Main Burner with Model 60 Pilot Bracket 203PV 204PV 2 amp 3 205PV 3 amp 4 206PV 4 amp 5 Main burners numbered left to right as viewed from front of boiler at rear of burner See Figure 11 Slide burner over orifice 7 Reconnect pilot gas supply igniter sensor cable and ground wire Reinstall Burner Access Panel Reconnect Flame Rollout Figure 18 Spark Gap Setting Switch wires G Check operation Follow Paragraphs D through O from Section VII System Start up ILUL Buil E IHRE H Removal or replacement of pilot assembly or pilot assembly parts If pilot assembly sensor or aM pilot orifice need replacing remove main burner with pilot using procedure described in Paragraph F 1 PIL UHT IP 1 To replace orifice a Disconnect pilot tubing Pilot orifices screw into Pilot Burner Replace with Honeywell 388146NE Natural Gas or Honeywell 388146KP LP Propane b Reconnect pilot tubing and check for leaks 2 To adjust or check spark gap between electrode and hood on Honeywell Q348A intermittent pilot See Figure 18 a Use round wire gauge to check
18. 0 25 percent free area and metal louvers and grilles have 60 75 percent free area freely communicating with the outdoors Locate one I Do not install boiler where gasoline or other flammable opening within 12 inches of top of space Locate vapors or liquids or sources of hydrocarbons i e remaining opening within 12 inches of bottom of bleaches cleaners chemicals sprays paint removers space Minimum dimension of air opening is 3 fabric softeners etc are used or stored inches Size each opening per following ll Unpack Boiler CAUTION Do not drop boiler Do not bump boiler D Remove all boiler hold down fasteners jacket against floor E Tilt the boiler to one side and slide a wooden slat under the two raised feet A Move boiler to approximate installed position F Tilt the boiler to the other side and slide another B Remove all crate fasteners wooden slat under the two raised feet C Liftoutside container and remove with all other inside G Slide the boiler forward or backward off the skid using protective spacers and bracing Save two of the the two wooden slats as runners wooden slats from the container sleeve for use in H Move boiler to its permanent location Paragraphs E and F lll Water Piping and Trim F Space heating and domestic water heating with Alliance water heater Install Alliance water heater as a separate heating zone Refer to Alliance Installation Operating and Service Instructions for additi
19. 3PV 1 8116103 8A 8B C 8 32
20. 5E Ground Wire Assembly 1 6136054 28 Quantity Part Number 204PV 205PV 1 604170412 1 6041704221 1 6041704222 1 604170434 1 604170634 1 604170444 1 604170644 1 604170413 1 604170613 crew Sheet Metal 8 x 20 Common Hardware Key No Description 6 Jacket 6 gt Jacket Wrap A Round Panel 1 1 604170312 1 604170612 Jacket Upper Vestibule Panel 1 1 6041703221 1 6041706221 Jacket Lower Vestibule Panel 1 6041703222 1 6041706222 Jacket Top Panel 1 2 1 604170334 Jacket Front Removable Door 1 604170344 Jacket Lower Front Panel 1 604170313 O fo fo o nap Bushing SB 1093 15 2 8136257 c n nap Bushing Heyco SB 2000 26 1 8136266 O nap Bushing Heyco SB 437 5 1 8136048 UJ urnham Logo Plate 1 81460107 For boilers installed in Canada indicate For Canada when ordering F 1 2 For boilers installed in California indicate For California when ordering 30 Quantity Part Number 203PV 204PV 205PV 206PV Key No Description 7 Miscellaneous Trim and Controls Safety Relief Valve 30 psi 34 NPT 81660319 Conbraco 10 408 05 7 N gt o rs E Honeywell 1408001036 80160156 7 1 Immersion Well cluded with 7B Immersion Well NPT Honeywell 123870A ES 80160426 Dual Limit Only 7 7B2 TET B3 L
21. F X NT m ECILET SHO FE SEMANI Ob HUN SEM RINT EDGE pz SESE END WEIN SESE LOSK MC BANC JTz NO AIRS SEL ONE PPPLY SzALAMT FO w3z3TNG AOE TIONAL zY h xT SIRF OR Figure 8 Typical Joint Detail b Minimum 3 feet above any forced air inlet located within 10 feet c Minimum 4 foot below 4 foot horizontally from or 1 foot above any door window or gravity air inlet d Minimum 4 feet horizontally from and in no case above or below unless a 4 foot horizontal distance is maintained from electric meters gas meters regulators and relief equipment e Minimum 12 inches from overhang or corner 3 Use wall thimble when passing through combustible outside wall thimble use optional for noncombustible wall Insert thimble through wall from outside Secure outside flange to wall with nails or screws and seal with adhesive material Install inside flange to inside wall secure with nails or screws and seal with adhesive material 4 For noncombustible wall when thimble is not used size opening such that bell with locking band attached cannot pass through 5 Join vent terminal to vent pipe Cut vent pipe to locate vent terminal 3 inches minimum and 6 inches recommended from wall when joined to inside vent piping See Figure 9 Vent terminal clearance to vinyl wall surfaces is 6 inches 6 Insert vent pipe through
22. INSTALLATION OPERATING AND SERVICE INSTRUCTIONS FOR SERIES 2PV POWER VENT GAS FIRED BOILER For service or repairs to boiler call your heating contractor When seeking information on boiler provide Boiler Model Number and Serial Number as shown on Rating Label Boiler Model Number Boiler Serial Number Installation Date 20 PVI Heating Contractor Phone Number HOMER LER COMPANY Corporation Lancaster 17604 34 T8 wen tur sara cor 8141775R12 3 01 Price 3 00 The following terms are used throughout this manual to bring attention to the presence of hazards of various risk levels or to important information concerning product life DANGER Indicates an imminently hazardous situation which if not avoided will result in death serious injury or substantial property damage WARNING Indicates a potentially hazardous situation which if not avoided could result in death serious injury or substantial property damage CAUTION Indicates a potentially hazardous situation which if not avoided may result in moderate or minor injury or property damage NOTICE Indicates special instructions on installation operation or maintenance which are important but not related to personal injury hazards Table of Contents I Pre Installation 4 Unpack Boiler ee 5 Water Piping e 6 IV Gas PIPES 8 V
23. Installation of the relief valve must be consistant with Oil grease and other foreign materials which the ANSI ASME Boiler and Pressure Vessel Code accumulate in new hot water boilers and a new or Section IV reworked system should be boiled out and then thoroughly flushed A qualified water treatment chemical specialist should be consulted for recommendations WARNIN G regarding appropriate chemical compounds and concentrations which are compatible with local Safety relief valve discharge piping must be environmental regulations piped near floor to eliminate potential of L After the boiler and system have been cleaned and severe burns Do not pipe in any area where freezing could occur Do not install any shut off valves E Install Drain Valve in 34 NPT connection in tee provided See Figure 1 flushed and before refilling the entire system add appropriate water treatment chemicals if necessary to bring the pH between 7 and 11 SUPPLY SYSTEM SUPPLY TO SYSTEM SIDE CIRCULATOR PREFERRED LOCATION TO ADDITIONAL ZONES FOR MULTIPLE ZONE OR CIRCUIT OPERATION BALANCING VALVE OR ZONE VALVE ELIMINATOR VENT FULL PORT SYSTEM BALL VALVE RETURN DIAPHRAGM TANK P d HOSE BIB SUPPLY THERMOMETER CHECK OR RACK FLOW PREVENTION VALVE BOILER 0 SUPPLY PRESSURE REDUGING VALVE OR MANUAL FILL VALVE SAFETY RELIEF VALVE PIPE DISCHARGE TO WITHIN 4 SYSTEM RETURN SIDE CIRCULATOR ALTERNATE LOCATION
24. e Table 3 lists equivalent pipe length for standard fittings 4 Specific gravity of gas Gas piping systems for gas with a specific gravity of 0 70 or less can be sized directly from Table 2 unless authority having jurisdiction specifies a gravity factor be applied For specific gravity greater than 0 70 apply gravity factor from Table 4 If exact specific gravity is not shown choose next higher value For materials or conditions other than those listed above refer to National Fuel Gas Code NFPA 54 ANSI 7223 1 or size system using standard engineering methods acceptable to authority having jurisdiction B Connect boiler gas valve to gas supply system 1 Use methods and materials in accordance with local plumbing codes and requirements of gas supplier In absence of such requirements follow National Fuel Gas Code NFPA 54 ANSI Z223 1 and or CAN CGA B149 Installation Codes 2 Use thread joint compounds pipe dope resistant to action of liquefied petroleum gas 3 Install sediment trap ground joint union and manual shut off valve upstream of boiler gas control valve and outside jacket See Figure 6 4 above ground gas piping upstream from manual shut off valve must be electrically continuous and bonded to a grounding electrode Do not use gas piping as grounding electrode Refer to National Electrical Code ANSI NFPA 70 and or CSA C22 Electrical Code C Pressure test The boiler and its gas connection must
25. e vapors and liquids Remove obstructions to the flow of combustion and ventilation air C Service Low water cut off if so equipped Follow instructions provided with low water cut off D Inspect Vent System for obstructions in vent pipe soot accumulation deterioration of pipe or joints and proper support 1 Remove vent connector and vent pipe See Figure 19 2 Remove all obstructions Check and clean vent terminal screens 3 Remove soot accumulations with wire brush and vacuum 4 Replace deteriorated parts 5 Repair deteriorated joints See Section V Venting Paragraph D 6 E Inspect Boiler Flue Passages for blockage or soot accumulation See Figure 19 1 Disconnect vent connector from blower discharge flange 2 Remove sheet metal screws securing Jacket Top Panel Lift panel and rotate about relief valve piping until top of boiler is exposed If piping or wall prevent full rotation of top panel for access to canopy cut slot into relief valve opening and remove top panel 3 Disconnect blower connection from wiring harness in vestibule 4 Remove bolts securing canopy to boiler sections Cut silastic sealant around base of canopy pry canopy from boiler sections and remove canopy blower assembly from boiler 5 Using flashlight examine all flue passageways 21 a If passageways are free of soot and obstruction replace canopy secure and seal using kit available from Burnham Distributors Part
26. ed respirator 2 Long sleeved loose fitting clothing 3 Gloves 4 Eye Protection Take steps to assure adequate ventilation Wash all exposed body areas gently with soap and water after contact Wash work clothes separately from other laundry and rinse washing machine after use to avoid contaminating other clothes Discard used RCF components by sealing in an air tight plastic bag First Aid Procedures e If contact with eyes Flush with water for at least 15 minutes Seek immediate medical attention if irritation persists If contact with skin Wash affected area gently with soap and water Seek immediate medical attention if irritation persists If breathing difficulty develops Leave the area and move to a location with clean fresh air Seek immediate medical attention if breathing difficulties persist Ingestion Do not induce vomiting Drink plenty of water Seek immediate medical attention 20 VIII Service A General Inspection and service should be conducted annually Turn off electrical power and gas supply while conducting service or maintenance Follow instructions TO TURN OFF GAS TO APPLIANCE See Figure 17 CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation after servicing B Inspect Housekeeping Boiler area must be clear and free from combustible materials gasoline and other flammabl
27. enting dE 9 VL Electrical rte 12 VIL System Start up see 13 Service Instructions 21 IX Repair 24 NOTICE USA boilers built for installation at altitudes greater than 2 000 feet above sea level have been specially orificed to reduce gas input rate 4 percent per 1 000 feet above sea level per the National Fuel Gas Code NFPA 54 ANSI Z223 1 Section 8 1 2 and Appendix F Canadian boilers orifice sizing is indicated on the rating label High altitude boiler models are identifiable by the second digit in the model number suffix on the rating label 20 PV I 2 Less than 2000 ft elevation 20 PV I 4 2000 ft and higher elevation Canada 20 PV I 5 2000 ft and higher elevation USA E I ne Ao 33m 34 8424841 7 Ene ro betur EC 8312 I Care FILLS 33 SMAIA L 4 EI 71422442373 804 are vit Rn dE 8 1 10k 3L1 NZICIH 56 14 SYD gt MII EI i h AN 19 02819 I 3n 4 halga WI Pre Installation WARNING Carefully read all instructions before installing boiler Failure to follow all instructions in proper order can cause personal injury or death A Inspect shipment carefully for any signs of damage All equ
28. es and right side clearance of 6 inches Recommended service clearance is 24 inches from left side right side and front Service clearances may be reduced to minimum clearances to combustible materials E Install on level floor For basement installation provide solid base such as concrete if floor is not level or if water may be encountered on floor around boiler F Install near outside wall for through wall venting Refer to Section V Venting for vent length limitations WARNING Certified as Category appliance Install vent system in accordance with Section V Venting Do not vent using masonry chimney Type B gas vent or other Category venting system Protect gas ignition system components from water dripping spraying rain etc during boiler operation and service circulator replacement condensate trap control replacement etc Provide combustion and ventilation air in accordance with applicable provisions of local building codes or National Fuel Gas Code NFPA 54 ANSI Z223 1 Section 5 3 Air for Combustion and Ventilation or Sections 7 2 7 3 or 7 4 of CAN CGA B149 Installation Codes WARNING Adequate combustion and ventilation air must be provided to assure proper combustion The following guideline is based on the National Fuel Gas Code NFPA 54 ANSI 7223 1 1 Determine volume of space boiler room Rooms communicating directly with space through openings not furnished with d
29. f vent pipe total length of straight pipe in feet plus 5 equivalent feet for each 45 or 90 elbow Do not exceed the maximum certified vent length of 25 equivalent feet The minimum certified vent length is 7 equivalent feet Do not include vent terminal or vent connector in equivalent feet calculations 4 Do not install venting system components on the exterior of the building except as specifically required by these instructions B Removal of Existing Boiler For installations not involving the replacement of an existing boiler proceed to Step C When an existing boiler is removed from a common venting system the common venting system is likely to be too large for proper venting of the remaining appliances At the time of removal of an existing boiler the following steps shall be followed with each appliance remaining connected to the common venting system placed in operation while the other appliances remaining connected to the common venting system are not in operation a Seal any unused openings in the common venting system b Visually inspect the venting system for proper size and horizontal pitch and determine there is no blockage or restriction leakage corrosion and other deficiencies which could cause an unsafe condition c Insofar as is practical close all building doors and windows and all doors between the space in which the appliances remaining connected to the common venting system are located and ot
30. he outdoors or spaces crawl or attic a Direct communication with outdoors Minimum free area of 1 square inch per 4 000 Btu per hour input of all equipment in space b Vertical ducts Minimum free area of 1 square inch per 4 000 Btu per hour input of all equipment in space Duct cross sectional area shall be same as opening free area c Horizontal ducts Minimum free area of square inch per 2 000 Btu per hour input of all equipment in space Duct cross sectional area shall be same as opening free area Alternate method for boiler located within confined space Use indoor air if two permanent openings communicate directly with additional space s of sufficient volume such that combined volume of all spaces meet criteria for unconfined space Size each opening for minimum free area of 1 square inch per 1 000 Btu per hour input of all equipment in spaces but not less than 100 square inches 7 Ventilation Duct Louvers and Grilles Equip outside openings with louvers to prevent entrance of rain and snow and screens to prevent entrance of insects and rodents Louvers and grilles must be fixed in open position or interlocked with equipment to open automatically before burner operation Screens must not be smaller than inch mesh Consider the blocking effect of louvers grilles and screens when calculating the opening size to provide the required free area If free area of louver or grille is not known assume wood louvers have 2
31. her spaces of the building Turn on clothes dryers and any appliance not connected to the common venting system Turn on any exhaust fans such as range hoods and bathroom exhausts so they will operate at maximum speed Do not operate a summer exhaust fan Close fireplace dampers d Place in operation the appliance being inspected Follow the Lighting or Operating Instructions Adjust thermostat so appliance will operate continuously e Test for spillage at the drafthood relief opening after 5 minutes of main burner operation Use the flame of a match or candle or smoke from a cigarette cigar or pipe f After it has been determined that each appliance remaining connected to the common venting system properly vents when tested as outlined above return doors windows exhaust fans fireplace dampers and any other gas burning appliance to their previous conditions of use g Any improper operation of the common venting system should be corrected so the installation conforms with the National Fuel Gas Code NFPA 54 ANSI Z223 1 When resizing any portion of the common venting system the common venting system should be resized to approach the minimum size as determined using the appropriate tables in Part II in the National Fuel Gas Code NFPA 54 ANSI 7223 1 C Install Vent Connector 1 Remove vent connector from vent accessory carton 2 Remove gaskets orifice plate and hardware from blower outlet flange 3 Assemble
32. hould be same size as the supply and return lines permeable materials in distribution system Eliminate with valves located in bypass and supply outlet as oxygen contamination by repairing system leaks illustrated in Figure 3 in order to regulate water flow to repairing fittings and using nonpermeable materials in maintain higher boiler water temperatures distribution system After the boiler is operational reference Section B Connect system supply and return piping to boiler See System Start Up set by pass and boiler supply valves to Figure 3 Also consult I B R Installation and Piping half throttle position to start Operate boiler until system Guides Maintain minimum inch clearance from hot water temperature reaches normal operating range water piping to combustible materials Adjust valves to provide 180 to 200 F supply water Install Circulator with flanges gaskets and bolts emp erature the por pr aih ply valve 0 puse system temperature while opening the by pass valve will provided Five foot circulator harness allows circulator lower system supply temperature to be mounted on supply or return Connect harness to circulator and secure any excess conduit J A hot water boiler installed above radiation level must be provided with a low water cut off device as part of D Install Safety Relief Valve See Figure 3 Safety Relief installation Valve must be installed with spindle in vertical position i
33. i T P Ie SER 7 vL LUN IN 516 s J IF Y INK PAS v gt RIENTE FSF FI F 29 ze re 3 sawsi db 27 NC INSEL sine 2 Fa Boy lt a gt 71 25 13 Figure 11 Main Burner Installation 247 CONTROL 3 NURS TAHM TLE o FXESSLE gt IAE boc TUER V ZOZLUP E f lt N See XE n ET WG F Uh T 1 v D ROU 2DJJSTMENT SAVER PUT JU CAZ Figure 12 Gas Valve Pressure Tap D Prepare to check operation 1 Obtain gas heating value in Btu per cubic foot from gas supplier 2 Connect manometer to pressure tap on gas valve See Figure 12 3 For natural gas fired boiler temporarily turn off all other gas fired appliances E Follow Operating Instructions to place boiler in operation See Figure 17 Sequence of Operation See Figure 14 If boiler fails to operate properly see Troubleshooting Tree on pages 17 18 G Check gas piping and connections between Gas Valve and Manifold Orifices and Pilot Tubing Use soap solution or other approved method See Figure 13 H Check pilot burner flame See Figure 15 Flame should be steady medium hard blue enveloping 3 8 to Y inch of sensing probe I Check main burner flame See Figure 16 Flame should have clearly defined inner cone with no yellow tipping Orange yellow streaks should not be confused w
34. imit Honeywell L4080B1212 Dual Limit Only 80160474 7C Transformer Relay Honeywell R8285D5001 1 80160155U 7C1 Relay DPST Honeywell R8222U1006 1 80160096U 7C2 Junction Box 4 x 4 x 1 1 8136259 7D Flame Rollout Switch 1 80160044 7D1 Flame Rollout Switch Bracket 1 7186018 7E Suction Pressure Switch 1 80160180 1 80160181 Silicone Tubing 1 8 x 11 Silicone Tubing 1 8 x 12 9016001 Specify Length Silicone Tubing 1 8 x 13 5 8 Silicone Tubing 1 8 1514 Ignition Module Honeywell S8670E1007 1 80160108 Temperature Pressure Gauge 1 8056164U Circulator with Gaskets Bell amp Gossett NFR 22 1 8056174 Circulator with Gaskets Grundfos UP15 42F 1 8056173 N Circulator with Gaskets Taco 007F 1 8056170 Circulator with Gaskets Taco 0010 1 8056176 Gasket Bell amp Gossett NFR 22 SLC 30 2 806602029 7H1 Gasket Grundfos 510179 2 806602016 Gasket Taco 00 Series 2 806602006 7J Flange 1 NPT 2 806602013 741 Screw Cap Hex Head 7 16 14 x 1 4 Common Hardware 742 Nut Hex 7 16 14 4 Common Hardware 7K Drain Valve NPT Conbraco 31 606 02 1 806603011 Quantity Part Number 204PV 205PV 206PV 8 Vent Accessory Carton 611170322 611170522 Vent Connector 1 8116102 Vent Terminal 1 8116063 Locking Band 1 8116101 Silicone Sealant 3 oz tube Dow Corning Silastic 732 RTV or Sil Bond 1 8056052 RTV 4500 Acetoxy Key No f Description 20
35. ipment is carefully manufactured inspected and packed Our responsibility ceases upon delivery of boiler to carrier in good condition Any claim for damage or shortage in shipment must be filed immediately against carrier by consignee No claims for variances or shortages will be allowed by Boiler Manufacturer unless presented within sixty 60 days after receipt of equipment Installation must conform to the requirements of the authority having jurisdiction In the absence of such requirements installation must conform to National Fuel Gas Code NFPA 54 ANSI 7223 1 and or CAN CGA B149 Installation Codes Where required by the authority having jurisdiction the installation must conform to the Standard for Controls and Safety Devices for Automatically Fired Boilers CSD 1 cLaser CUTE 1 ACT w 1 TOU Veh 1 J aay 4 i iL 4 PRENT VPT MENT AMR VEF LURF TEEL USANE PIAS EKI FEE Figure 2 Minimum Clearances to Combustible Construction for Closet Installation Appliance is design certified for installation on combustible flooring The boiler must not be installed on carpeting D Provide clearance between boiler jacket and combustible material in accordance with local fire ordinance See Figure 2 for minimum clearance from combustible material for closet installation For alcove installation provide top clearance of 27 inch
36. ith true yellow tipping FING SHO 1 ILES CUTLINE 7 HI FORNIS EC E 16712 z OLE j g GOTIN EEz DLE 5L AVI T rcr Mrd regir y LS gt FI 23 3 FI DT vd YS d PU ANLE ts poa Le Ve ee Pi i rf I PIU WIRE DR 7 2 HUN 7019 IL STN TAn fe TIC 73 1 7 Figure 13 Schematic Pilot and Gas Piping 14 THERMOSTAT CALLS FOR HEAT RELAYS ENERGIZED BLOWER STARTS CIRCULATOR STARTS SUCTION PRESSURE SWITCH NORMALLY CLOSED POSITION TO NORMALLY GPEN POSITION IGNITION MODULE ENERGIZED 30 45 SECOND DELAY PREPURGE IGNITION SOURCE SPARK ON PILOT GAS VALVE OPENS TRIAL FOR IGNITION PILOT NO PILOT CONTINUOUS LIGHTOFF UGHTOFF RETRY PILDT GAS VLAVE MAIN GAS VALVE OPENS CLOSES IGNITION IGNITION SOURCE OFF SOURCE OFF CALL FOR HEAT ENDS RELAYS DE ENERGIZED IGNITION MODULE DE ENERGIZED GAS VALVES CIRCULATOR CLOSE STOPS SUCTION PRESSURE SWITCH TO NORMALLY CLOSED POSITION Figure 14 Sequence of Operation LN LI QK Figure 15 Pilot Burner Flame INCANDESCENT OUTER MANTLE 3 UE WIT OCCASIONAL HLASE b OUTER CONE X i NASKCR TRANSPARANT DI LIF 1 D INNER CONF S RPLY 1 WITH X BRIGIIT IGT 3 4 4 1 FLAME RETENTION INNER CONE AN PAR
37. onal information CAUTION Failure to properly pipe boiler may result in improper operation and damage to boiler or building If boiler is used in connection with refrigeration systems A Design and install boiler and system piping to prevent oxygen contamination of boiler water CAUTION Oxygen contamination of boiler water will cause corrosion of iron and steel boiler boiler must be installed with chilled medium piped in parallel with the heating boiler using appropriate valves to prevent chilled medium from entering boiler see Figure 4 Also consult I B R Installation and Piping Guides If boiler is connected to heating coils located in air handling units where they may be exposed to refrigerated air boiler piping must be equipped with flow control valves to prevent gravity circulation of boiler water during operation of cooling system components and can lead to boiler failure Use a boiler bypass if the boiler is to be operated in a Burnham s standard warranty does not system which has a large volume or excessive radiation cover problems caused by oxygen where low boiler water temperatures may be encountered contamination of boiler water i e converted gravity circulation system etc Install pipe tee between circulator and boiler return along Oxygen contamination sources are system leaks with second tee in supply piping as shown in Figure 3 requiring addition of makeup water fittings and oxygen Bypass s
38. oors are considered part of space Volume ft Length ft x Width ft x Height ft 2 Determine Total Input of all appliances in space Round result to nearest 1 000 Btu per hour Btuh 3 Determine type of space Divide Volume by Total Input a If result is greater than or equal to 50 ft per 1 000 Btuh space is considered an unconfined space b If result is less than 50 ft per 1 000 Btuh space is considered a confined space 4 Determine building type A building of unusually tight construction has the following characteristics a Walls and ceiling exposed to outside atmosphere have a continuous water vapor retarder with a rating of 1 perm or less with openings gasketed and sealed and b Weather stripping has been added on openable windows and doors and c Caulking or sealants applied in joints around window and door frames between sole plates and floors between wall ceiling joints between wall panels at plumbing and electrical penetrations and at other openings 5 For boiler located in an unconfined space in a building of other than unusually tight construction adequate combustion and ventilation air is normally provided by fresh air infiltration through cracks around windows and doors 6 For boiler located within unconfined space in building of unusually tight construction or within confined space provide outdoor air through two permanent openings which communicate directly or by duct with t
39. r to obtain 10 inches w c manifold pressure ek EU mm mus omms m m m omn ENG qum mun ee eee sms m ERE Q d EL Fan um mu mmm mmm m mmc umr p j psu uz w p maru m sou EH Ho ma HIN m ma mmm Em zm e a n om S a n ima ADT m m m mamam NH DH mm P Iu Pi bri UE s ES HOC mus NON Oe ms mm ENS oe i Oe eee n bm n om n ee EE 7 RUE B um NH SENS OH ES IE mum om amu 0 s EST EM mum V m 5 wm Hmmm Em EMI m m mm m m s m m NE NH Fu E IE T 0 bhd as H LETE SLE 1 oe 1 1 wa EE EE NBC d EM NS E Em mun Wu EUER Lim Hm E m m usa n E m mama mm mn dag EGET m E sm mms m MMP CM ENS ln cams m mom meee raf ine a3 om hil oo masm RSEN HE mu ms lum u mams re GS cim cos mom sms m m Dm SH HE mu CUM TREE LM LIEN LR pnr dg ETT
40. rporation Metropolitan Region P O Box 3079 P O Box 3079 Lancaster PA 17604 3079 Lancaster 17604 3079 Phone 717 481 8400 Phone 717 481 8400 FAX 717 481 8408 FAX 717 481 8409 Burnham Sales Corporation Northeast Region Burnham Corporation Mid Atlantic Region 19 27 Mystic Avenue P O Box 3079 Somerville MA 02145 Lancaster PA 17604 3079 Phone 617 625 9735 Phone 717 481 8400 FAX 617 625 9736 FAX 717 481 8409 Contact Regional Office Indicated for your State Atlantic Burlington Camden Cape May Cumberland Gloucester Mercer Delaware Monmouth Ocean Salem Utah Florida gt gt olo a 5 gt gt gt O ojol gt gt 5 12 5 gt 2 2 9 2 o c Ld gt UJ Counties Vermont O 5 gt All other Counties C Virginia Hawaii A Arlington Accomack Clarke Idaho A New York Fairfax Frederick Fauquier Illinois Albany Fulton Montgomery Loudoun Northampton and Indiana Rensselaer Saratoga Prince William Counties Schenectady Schoharie All other Counties Kansas Warren Washington Counties Washington Kentucky All Other Counties Washington D C Louisiana North Carolina West Virginia Maine North Dakota A Wisconsin gt gt Hawaii dano 4 Louisiana gt O Maryland Wyoming
41. spark gap b Spark gap should be 1 8 inch for optimum performance 3 Toreplace complete pilot assembly a Remove two machine screws holding pilot burner to pilot bracket b Disconnect pilot tubing c Disconnect all other leads to pilot d Select pilot assembly with identical model number reconnect leads and pilot tubing Resecure to pilot bracket 4 Reinstall main burner following procedure deseuped im Paragraph Figure 19 Flueway Cleaning 22 Table 8 Minimum Suction Pressure SUD ION PRIESURE Boiler Model Minimum Suction Pressure 5 CII 203PV 0 50 inches w c m 4 y UL 204PV d x x x _ j 205PV SF TDS 206PV 0 80 inches w c ar L Lubrication There are no parts requiring lubrication by iv SES RAS service technician or owner Circulator bearings are SCT ON water lubricated Blower motor bearings are factory EOSFS sealed o SENS Tr HANGAR ER Figure 20 Procedure for Measuring Fan Suction Pressure 23 IX Repair Parts All Series 2PV Repair Parts may be obtained through your local Burnham Wholesale distributor Should you require assistance in locating a Burnham distributor in your area or have questions regarding the availability of Burnham products or repair parts please contact your Burnham Regional Sales Office as listed below Burnham Corporation Regional Offices Burnham Corporation Central amp Western Regions C Burnham Co
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