Slant/Fin SENTRY S-150 User's Manual
Contents
1. NO FURTHER ACTION VENT DAMPER RELAY ENERGIZED VENT DAMPER MOTOR OPENS VENT DAMPER END SWITCH CLOSES MAIN VALVE OPERATOR OPENS LIGHTED PILOT IGNITES MAIN BURNERS IF PILOT SHOULD BLOW OUT THERMOCOUPLE WILL SHUT OFF MAIN BURNER WHEN THERMOSTAT IS SATISFIED OR WHEN HIGH LIMIT OR LOW WATER CUT OFF CONTACTS ARE OPEN MAIN VALVE OPERATOR CLOSES VENT DAMPER CLOSES CIRCULATOR OFF SYSTEM GOES TO STANDBY WITH LIGHTED PILOT SEQUENCE OF OPERATION FOR SENTRY BOILERS EQUIPPED WITH HONEYWELL INTERMITTENT IGNITION SYSTEM IID FOR DIAGRAMS SHOWN ON PAGE 15 y THERMOSTAT CALLS FOR HEAT CIRCULATOR ENERGIZED HIGH LIMIT CONTACTS CLOSED IF COMBINATION AQUASTAT LOW WATER CUT OFF WHEN USED CONTROL USED CONTACTS CLOSED YES VENT DAMPER RELAY ENERGIZED VENT DAMPER MOTOR OPENS VENT DAMPER END SWITCH CLOSES IGNITION CONTROL ENERGIZED SPARK GENERATOR MODULE POWERED S8600F OR S8600M IGNITION SPARK STARTS AND PILOT VALVE OPERATOR OPENS S8670E IGNITION SPARK AND PILOT VALVE OPERATOR DELAYED FOR 30 70 SECONDS NO FURTHER ACTION L P PROPANE GAS S8600M amp S8670E NATURAL GAS 586008 IGNI IGNITION TRIAL CONTINUES FOR 90 SEC M THE PILOT FLAME ESTABLISHED 7 j TION SPARK CONTINUES ONDS AFTER TRIAL FOR IGNITION SYS PILOT VALVE REMAINS OPEN TEM SHUTS OFF AFTER 5 MINUTES MOD YES ULE RE INSTATES TRIAL FOR IGNITION IF SPARK GENERATOR OFF MAIN VALVE OPERATOR OPENS MODULE MONITORS2. UNTIL SYSTEM IS RESET PILOT FLAME NOT ESTABLISHED IGNI TION TRIAL SYSTEM SHUT OFF AND 5 MINUTES WAIT SEQUENCE REPEATS CONTINUOUSLY WHEN THERMOSTAT IS SATISFIED OR WHEN HIGH LIMIT OR LOW WATER CUT OFF 5 ARE OPEN VALVE OPERA TORS CLOSE PILOT amp MAIN BURNERS OFF VENT DAMPER CLOSES CIRCULATOR OFF SYSTEM GOES TO STANDBY PILOT FLAME Sentry CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper dangerous operation Verify proper operation after servicing WIRING DIAGRAM CONTINUOUS PILOT HOT WATER P amp PT BOILER WITH CONTINUOUS PILOT VENT DAMPER AND COMBINATION CONTROL INTERMITTENT CIRCULATION BOILERS UNDER 300 000 BTU HR INPUT WARNING BLOCKED VENT SAFETY SWITCH MUST BE MOUNTED TO DRAFT HOOD BEFORE OPERATING THE BOILER SEE INSTRUCTION MANUAL GALAXY GG 40 OR SENTRY 5 40 BEFORE INSTALLING VENT DAMPER READ WARNING LABEL ON THIS BOILER AND VENT DAMPER READ SLANT FIN VENT DAMPER INSTALLATION INSTRUCTIONS CONTROLLER OR 24V THERMOSTAT CIRCULATOR COMBINATION CONTROL wm C ROLL OUT AND BLOCKED VENT SAFETY SWITCHES ADAPTER HARNESS 1 2 3 4 MALEPLUG 1 2 13 14 RECEPTACLE B 5 TO MALE PLUG ON ADAPTER HARNESS FLEX METALLIC CONDUIT VENT SLANT FIN VENT DAMPER DAMPER HARNESS VENT DAMPEH HARNESS SU
3. be a minimum of one square inch per 2000 Btuh input to ALL APPLIANCES in the area For a total appliance input of 200 000 Btuh each open ing will be 100 square inches A grilled opening 10 X10 has 100 square inches of area If fly screen must be used over openings double the area and inspect and clean the screen frequently Openings must never be reduced or closed If doors or win dows are used for air supply they must be locked open Protect against closure of openings by snow and debris Inspect frequently No mechanical draft exhaust or supply fans are to be used in or near the boiler area The flow of combustion and ventilating air to the boiler must not be obstructed WATER PIPING CIRCULATING SYSTEMS A Packaged water boilers are equipped with a water circu lating pump mounted to return the water into the boiler For some installations the pump should be on the supply main See figure 10 Il AIR CONTROL SYSTEM A DIAPHRAGM TYPE COMPRESSION TANKS are used to control system pressure in an AIR ELIMINATING SYS TEM an automatic air vent is used to REMOVE air from the system water See figure 10 If system pressure needs further control add an additional tank or install a larger capacity tank Locate the tank near the boiler as illustrated An automatic air vent should be installed in the top of the boiler or air purger See figure 10 B PUMP LOCATION Locating low head pump s on return to boiler is acceptable for s
4. conform to the additional requirements in this Slant Fin Instruction Book NATURAL GAS FIRED BOILER LOCATION Provide a level solid foundation for the boiler Location should be as near as possible to chimney or outside wall so that the flue pipe from boiler is short and direct The location should also be such that the gas ignition system com ponents are protected from water dripping spraying rain etc during appliance operation and service circulator replacement condensate trap control replacement etc BOILER FOUNDATION A Provide a solid level foundation capable of supporting the weight of the boiler filled with water and extending at least 2 past the jacket on all sides See dimensions of boiler page 2 Gas Valve B For installation on non combustible floors only The Combustible Floor Kit part number printed on the boiler rating plate is the only one to be used when installing on combustible floors The boiler must not be installed on carpeting 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 WARNING LIQUEFIED PETROLEUM L P PROPANE GAS FIRED BOILER LOCATION HEQUIRES SPECIAL ATTENTION Liquefied Petroleum L P propane gas is heavier than air Therefore propane boilers piping valves should not be installed in locations where propane leaking from defective equipment and
5. controls 12 Rollout or blocked vent safety switch open BURNERS WILL NOT SHUT OFF CAUSE 1 Defective operating control gas valve or high limit control 2 Improper wiring or short circuit FLASH BACK BURNING AT ORIFICES CAUSE Manifold gas pressure too low Improper primary air adjustment Gas regulator bleed too slow Burrs on orifice Improperly drilled orifice plugs Leaking automatic gas valve Adverse draft condition in boiler room Low main gas pressure Safety pilot improperly installed DELAYED IGNITION CAUSE Pilot flame too low Pilot burner ports or pilot orifice clogged Burners or orifices out of alignment Excessive primary air Excessive burner input Adverse draft condition in boiler room FUMES AND GAS ODORS CAUSE 1 Leaks in gas piping or accessories 2 Gas leaks in service line or meter connections DoD ox po T cs p pide po 3 Blocked chimney 4 Boiler flueways blocked with soot 5 Undersized breeching or too many turns in breeching 6 Adverse draft condition in boiler room 7 Overtiring CONDENSATION IN BOILER FLUES OR IN VENT SYSTEM CAUSE 1 Underfiring 2 Boiler water maintained at too low a temperature level 3 Long horizontal run of smokepipe 4 Inadequate chimney or venting system included with appliance instructions 11 Install proper controls 12 Replace rollout switch inspect flue passages prior to replacement or reset blocked
6. in parallel with the boiler Figure below illustrates a method of piping a heating cooling system to a water boiler and a chiller Hand valves shown or automatic valves must be installed to prevent circulation of chilled water in the boiler or hot water in the chiller The air control system and pressure control system must oper ate with chiller only or the boiler only being valved to the piping system Sentry Separate control devices on the boiler and chiller may be used or a single set of air and pressure controls on the common pip ing may be preferred If the boiler is used to supply hot water to heating coils in air handling units flow control valves or other devices must be installed to prevent gravity circulation of water in the coils dur ing the cooling cycle ge v ro qu RETURN T 1140 BOILER ss Hor SUPPLY CI E 1 oO E NES I WATER CHILLER IF REPLACEMENT PARTS ARE NEEDED When parts are needed refer to boiler model and serial num ber shown on the boiler name rating plate Refer to publication number S 10PL Sentry Replacement Parts for part numbers Whenever possible refer to the original order by number and date Control identification and replacement should not be attempted by unskilled personnel Only simple easily identified controls and parts may be obtained locally All other controls and parts shoul
7. length Figure 9 WARNING DANGER Once you have begun vent damper installation procedure DO NOT restore electric power and gas supply until installation and inspection have been completed in order to prevent the main burners from operating DO NOT operate the boiler until the vent damper harness RECEPTACLE B is plugged into MALE PLUG as described in the installation instructions and the vent damper installation and checkout procedures have been completed Failure to observe this warning may create a hazardous condition that could cause an explosion or carbon monoxide poisoning Sentry B 1 This device must be installed after the boiler draft hood between the draft hood outlet and the connector to the out door chimney or vent as close to the draft hood as practi cable and without modification of the draft hood or the vent damper See figures 1 2 and 3 2 The inlet size of the vent damper must be the same nomi nal trade size as the outlet of the draft hood 3 his device must be located in a venting system or section of a venting system so that it serves only the single appli ance for which it is installed See figure 4 4 Clearances of not less than 6 inches 152MM must be maintained from combustible materials with provisions for service access NOW PROCEED AS FOLLOWS Remove the cover from the aquastat control Note the Molex connector MALE PLUG inside the control box see figure 6
8. of C G Water Ib max CHIMNEY RECOMMENDATIONS 4 I a N HEIGHT 15 ft minimum from draft 8 14 33 67 hood skirt to top of chimney 11 17 oF INSIDE DIAMETER Same as dimen 14 20 37 614 sion C or larger s i a NOTE Larger chimney be 17 23 37 6A required if two or more boilers or a boil 20 26 of 84 er and another appliance are vented to a single chimney 26 Slant Fin supplies vent dampers by 295 several manufacturers Some are smaller than the indicated G maxi 7 mum u Orifice Sizes for High Altitudes Orifice Includes 4 Reduction for Each 1000 Feet Size for Boiler Gas Elevation Feet Model Type 4000 Sea Level 2000 3000 4000 5000 6000 7000 8000 9000 10000 48 48 49 49 49 50 50 51 56 56 57 57 57 58 59 59 51 51 51 51 2 2 2 3 58 59 59 60 60 61 62 63 gt 2 3276 Natural 47 S 60 thru S 150 and Natural 50 SX 150 thru SX 210 Propane 57 51 60 5 5 5 5 5 6 Orifice indicated for sea level above are factory installed in boiler unless otherwise specified by the local authority See page 10 for burner input adjustment Base Assembly INSTALLATION REQUIREMENTS Sentry Boiler The installation must conform to the requirements of the authority having jurisdiction or in the absence of such requirements to the National Fuel Gas Code ANSI Z223 1 latest edition This installation must also
9. 3 Horizontal or Sloping Installation of Vent Damper CAUTION DO NOT USE ONE VENT DAMPER TO CONTROL TWO HEATING APPLIANCES DAMPERS HEATING HEATING HEATING HEATING APPLIANCE APPLIANCE APPLIANCE APPLIANCE WRONG WAY CORRECT WAY Figure 4 TO CHIMNEY WITH DAMPER OPEN 15 DIA s HOLE SIDE VIEW DAMPER SHOWN IN OPEN POSITION D iren TOP VIEW vr P Is equipped 80 bDAMPER SHOWN IN CLOSED POSITION TABLE intermittent ignition pilot DAMPER SHO 5 Figure 5 Vent Damper Dimensions 45 1004 AQUASTAT CONTROL 81 48 USE THIS KNOCKOUT FOR L1 AND L2 CONNECTION 120V 50 HZ Figure 6 Connecting RECEPTACLE B to MALE PLUG inside L8148E Aquastat Box for Sentry Packaged S and SX boilers Sentry NOTE Some vent damper sizes have vent pipe extension collars at tached to the cast iron vent sec tion DO NOT REMOVE THIS COLLAR Damper position indicator may be viewed through hole in the casting on the side opposite the operator DAMPER VANE FULLY OPEN Undersized vent pipe may block the movement of the damper vane If this occurs cut off 1 2 of the male crimped end of vent pipe and refit NOTE Some vent damper sizes have vent pipe extension collars at tached to the cast iron vent sec tion DO NOT REMOVE THIS COLLAR Section removed CAUTION To prevent interference with damper vane movement screws or pop rivets of the cast ing must not exceed 1 2 in
10. ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE APPLIANCE MUST BE REPLACED IT MUST BE REPLACED WITH TYPE 105 C OR ITS EQUIVALENT IF THE RED CABLE AS SUPPLIED WITH THE APPLIANCE MUST BE REPLACED IT MUST BE REPLACED WITH POWER LIMITED FIRE PROTECTIVE 18 2 CABLE PLUG amp RECEPTACLE ARE IN COMBINATION CONTROL BOX ON SENTRY SERIES BOILERS FOR SENTRY BOILERS ONLY IF THE WIRES MARKED MUST BE REPLACED IT MUST BE REPLACED WITH POWER LIMITED FIRE PROTECTIVE CABLE GALAXY SENTRY 41 1196 D 16 Sentry PUMP OR VALVE ZONING OF WATER BOILERS COMBINATION CONTROLS WITH T fV Z TERMINALS 24 VOLT THERMOSTATS TO ADDITIONAL R845A RELAYS ZONE 1 V8043F END SWITCH O O IO TH TR TH TR LOW VOLTAGE GAS VALVE LOW VOLTAGE Nu THERMOSTAT L HOT AN L2 JN POWER SUPFLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED USE TYPE 105 C WIRE OR EQUIVALENT Pump Zoning system using R845A Relay CIRCULATOR One R845A needed for each circulator TA UNNER A NOTE Pumps are powered from 60 Total POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD pump load must not exceed 7 4 amp rating of PROTECTION AS REQUIRED combination control pump switch LEN MAXIMUM OF 2 VBO4Y S ACROSS 13148 USE AN 770 TRANSFORMER FOR EACH ADDITIONAL GROUP OF OR LESS VB043 S USE TYPE 105 C WIRE OR EQUIVALENT Zone valve zoning system using Honeywell V8043F zone valves ZO
11. ERMITTENT IGNITION VENT DAMPER AND COMBINATION CONTROL INTERMITTENT CIRCUALATION BOILERS UNDER 300 000 BTU HR INPUT WARNING BLOCKED VENT SAFETY SWITCH MUST BE MOUNTED TO DRAFT HOOD BEFORE OPERATING THE BOILER SEE INSTRUCTION MANUAL GALAXY GG 40 OR SENTRY 5 40 BEFORE INSTALLING VENT DAMPER READ WARNING LABEL ON THIS BOILER AND VENT DAMPER READ SLANT FIN VENT DAMPER INSTALLATION INSTRUCTIONS FOR PROPANE USE S8600M OR S8670E ONLY FOR NATURAL GAS S8600F S8600M OR S8670E SLANT FIN VENT DAMPER 1 11 a FLEX METALLIC CONDUIT VENT DAMPER HARNESS SUPPLIED WITH VENT DAMPER RECEPTACLE B CONNEGTS TO MALE PLUG ON ADAPTER HARNESS 1121 231 4 MALE PLUG THERMOSTAT 56600 OR 58670 ROLL OUT AND BLOCKED VENT SAFETY SWITCHES ELECTRIC IGNITION CIRCULATOR NEUTRAL WHITE 00 690 THERMOSTAT FOR 81485 z i GAS VALVE E FOR 1 1 i AM L8T24E LOW LIMIT G k 58600 OR 8670 PILOT LIGHTER 1 ROLL OUT AND BLOCKED 1 SLANT FIN 1 VENT SAFETY SWITCHES 1 VENT DAMPER 1 TERMINALS MARKING SHOWN ARE FOR BOILER HARNESS 1 MALE PLUG WIRE LEGEND FACTORY WIRED wIRE ENTRANCE FIELD CONNECTED OO ENDS POLARIZED FACTORY SUPPL D 1 coNNECTORS 77 FIELD SUPPLIED RECEPTACLE PROVIDE DISCONNECT MEANS amp OVERLOAD PROTECTION AS REQUIRED IF
12. NE ZONE 2 ZONE 3 THERMOSTAT THERMOSTAT THERMOSTAT R8230C ZONE 3 CIRCULATOR CIRCULATOR CIRCULATOR POWER SUPPLY PROVIDE DISCONNECT MEANS AND AS MANY AS FOUR R8230C RELAYS MAY BE OVERLOAD PROTECTION AS REQUIRED POWERED BY THE L8148 18124 USE TYPE 105 WIRE OR EQUIVALENT Pump zoning system using R8230C Relays For zoning diagrams combination controls without ry 2 terminals and non combination control systems consult Slant Fin Zoning Tech Bulletin NOTE Pumps are powered from Cn Total pump load must not exceed 7 4 amp rating of combination control pump switch Sentry GENERAL TROUBLESHOOTING GUIDE FOR SERVICEPEOPLE 17 BURNERS FAIL TO OPERATE CAUSE REMEDY 1 Safety pilot out or flame too low 1 Check clean re light See instructions 2 Gas supply valve shut off 2 Open gas valve s 3 Electric switch open 3 Close switch 4 Blown or defective line fuse 4 Replace fuse 5 Operating or limit control contacts open or dirty 5 Check control Clean contacts or replace control 6 Defective gas valve or pressure regulator or plugged 6 Repair or replace bleed line 7 Defective low voltage transformer 7 Replace transformer 8 Obstruction at main burner orifice 8 Check clean and reinstall 9 Break in wiring or loose contact at control terminals 9 Check with test light and correct 10 Improper wiring 10 Check and correct in accordance with wiring diagrams 11 Improper
13. PPLIED WITH VENT DAMPER FORL8148E ONLY ae NEUTRAL E EMERGENCY NEUES SWITCH 24V FOR L8124E THERMOSTAT ub OCD FOR CIRC LO LIMIT LB124E GAS VALVE OWKO OMO r e rHH y t ACLL OUT AND BLOCKED SLANT FIN t VENT SAFETY SWITCHES t VENT DAMPER t iT ERMINALS MARKING SHOWN ARE FOR BOILER HARNESS MALE PLUG FOR L8148E ONLY WIRE LEGEND FACTORY WIRED OO WIRE ENTRANCE FIELD CONNECTED O O ENDS POLARIZED FACTORY SUPPLIED 1 3 CONNECTORS FIELD CONNECTED FIELD SUPPLIED RECEPTACLE PROVIDE DISCONNECT MEANS amp OVERLOAD PROTECTION AS REQUIRED IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE APPLIANCE MUST BE REPLACED IT MUST BE REPLACED WITH TYPE 105 C OH ITS EQUIVALENT IF THE CABLE AS SUPPLIED WITH THE APPLIANCE MUST BE REPLACED IT MUST BE REPLACED WITH POWER LIMITED FIRE PROTECTIVE 18 2 CABLE PLUG amp RECEPTACLE IN COMBINATION CONTROL BOX ON SENTRY SERIES BOILERS FOR SENTRY BOILERS ONLY IF THE WIRES MARKED MUST BE REPLACED IT MUST BE REPLACED WITH POWER LIMITED FIRE PROTECTIVE CABLE GALAXY SENTRY 41 1198 C Sentry CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation after servicing WIRING DIAGRAM INTERMITTENT IGNITION IID HOT WATER P amp PT BOILER WITH 24V HONEYWELL INT
14. Remove knockout in the control housing marked for vent damper pass Receptacle B of vent damper harness through the knockout and attach the flexible metallic connector to the control housing with the nut Join the two halves of the Molex connector MALE PLUG AND RECEPTACLE B Replace the control cover Attach the other side of vent damper harness to vent damper operator if not attached and connect Molex con nector to operator receptacle See figures 1 and 2 AFTER INSTALLATION 1 Operate system through two complete cycles to check for opening and closing in proper sequence and proper burn er operation DAMPER MUST BE IN OPEN POSITION WHEN BOILER MAIN BURNERS ARE OPERATING 2 Perform installation checks as required by ANSI specifica tion Z21 66 See Vent Damper Instructions Check the troubleshooting section if problems arise with the installation THERMOSTAT HEAT ANTICIPATOR ADJUSTMENTS If the 24V room thermostat that controls this boiler has an adjustable heat anticipator and has previously been adjusted without a vent damper then see publication VD 40 for correct electrical requirement adder for the vent damper used If room thermostat has not been adjusted connect entire system to thermostat and run the system while measuring the current drawn through the thermostat wires Set the heat anticipator at the value of current measured For more information see Slant Fin vent damper installation manual pub VD 40
15. Slant Fin GAS FIRED CAST IRON BOILERS FOR NATURAL AND L P PROPANE GASES SENTRY S AND SX MODELS HOT WATER MODELS 5 34 THROUGH S 150 and SX 150 THROUGH SX 210 CONTENTS o Eu aue ees bas eee rm PAGE DimensionS 2 9 Installation Requirements Boller Location 3 Boiler Foundation 3 Chimney Requirements 4 Minimum Clearance 4 Drant HOOO seser ae aga p kusa e amana a m 4 Vent PIPINO zu suis sukaspa ae 4 Vent Damper Installation 5 6 7 Gas PIBDNO Rd ACE v k uqa ug sai E a 7 Electrical Controls and Wiring 8 Boiler Room Air Supply and Ventilation 8 Water Piping at Boiler 8 Operating Instructions Filing and Venting Water Systems 8 Initial Start Safety and Lighting Instructions 9 10 Burner Adjustment Checking Gas Input 10 11 Care and Maintenance General 11 Water Level Check 12 Annual Inspection and Cleaning 12 Safety Check for Control Systems 12 Protection from Freezing Water Treatment 12 Keeping Area Clear 12 Sequence of Operations 13 Wiring Dia
16. T touch any electric switch DO NOT use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e f you cannot reach your gas supplier call the fire department Use only your hand to push in or turn the gas control knob NEVER use tools If the knob will not push in or turn by hand DON T try to repair it call a qualified service techni cian Force or attempted repair may result in a fire or explosion DO NOT use this appliance if any part has been underwa ter Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been underwater Operating Instructions STOP Read the safety information above Set the thermostat to lowest setting Turn off all electric power to the appliance This appliance is equipped with an ignition device which automatically lights the pilot DO NOT try to light the pilot by hand Hemove control access panel Turn gas control knob clockwise continue to OFF DO NOT force Wait five 5 minutes longer for propane to clear out any gas then smell for gas including near the floor If you then smell gas STOP Follow B in the safety information above on this page If you don t smell gas go to next step Turn gas control knob counterclockwise to ON Replace control access panel Turn on all electric power to the appliance Set thermosta
17. USTIBLE CONSTRUC TION MINIMUM ALCOVE AND CLOSET CLEARANCE S 34 through S 150 SX 150 through SX 210 Front 6 6 Rear 6 6 Left Side 6 6 Right Side 12 12 Top above boiler 12 28 Flue Connector 6 6 A Minimum boiler clearances shall be as follows B Provide accessibility clearance of 24 on sides requiring servicing and 18 on sides used for passage C All minimum clearances shown above must be met This may result in increased values of some minimum clearances in order to maintain the minimum clearances of others D Clearance from hot water pipes shall be 1 inch At points where hot water pipes emerge from a floor wall or ceiling the clearance at the opening through the finished floor wall or ceiling boards may not be less than 1 2 inch Each such opening shall be covered with a plate of non combustible material SAFETY KEEP THE BOILER AREA CLEAR AND FREE FROM COMBUSTIBLE MATERIALS GASOLINE AND OTHER FLAMMABLE VAPORS AND LIQUIDS DRAFT HOOD The draft hood supplied with SX 150 through SX 210 models is part of the listed boiler assembly DO NOT alter the hood See dimensions page 2 Attach the hood to the boiler flue outlet Connect flue pipe full size of hood outlet Vent damper must be installed on the outlet side of the hood See Vent Piping below VENT PIPING A Vent piping installation must be in accordance with ANSI Z223 1 latest edition National Fuel Gas Code Part 7 Ven
18. and the manufacturers vent damper booklet shipped with the vent damper GAS PIPING A Local installation codes apply The pipe joint compound used on threads must be resistant to the action of liquefied petro leum gases The gas supply line to the boiler should be run directly from the meter for natural gas or from the fuel tank for L P propane gas See page 2 for location of union and manual main shutoff valve that may be specified locally Selecting pipe size for natural gas 1 Measure or estimate the length of piping from the meter to the installation site 2 Consult gas supplier for heating value of gas Btu cu ft 3 Divide boiler rated input by heating value to find gas flow in piping cu ft per hour 4 Use table A to select proper pipe size Example Boiler model S 150 is to be installed Distance from gas meter to the boiler is 30 ft Heating value of natur al gas is 1020 Btu cu ft Select proper pipe size Gas flow 150 000 Btu hour 147 cu ft per hour 1020 Btu cu ft At 30 ft length of pipe match required capacity from Table A choose higher capacity in this case is 152 cu ft per hour Required pipe size is 3 4 Improper gas pipe sizing will result in pilot flame outages insufficient heat and other installation difficulties For more information and also if other appliances are to be attached to the piping system see Appendix C of National Fuel Gas Code ANSI Z223 1 latest edit
19. at apply to the particular ignition system equipped on this boiler Also see figures on page 2 for location of gas manifold gas valve and control assembly These instructions are also attached to the boiler Continuous Burning Pilot 24V FOR BOILERS EQUIPPED WITH HONEYWELL GAS VALVE VR8200 or VR8300 see figures 11 and 12 SAFETY INFORMATION FOR YOUR SAFETY READ BEFORE LIGHTING WARNING you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life UI de Iw A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly B BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS DO NOT try to light any appliance DO NOT touch any electric switch DO NOT use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e f you cannot reach your gas supplier call the fire department C Use only your hand to push in or turn the gas control knob NEVER use tools If the knob will not push in or turn by hand DON T try to repair it call a qualified ser vice technician Force or attempted repair may result in a fire or explosion D DO NOT use this appliance if any part ha
20. d be identified by and ordered from Slant Fin Relief Safety valves must be ASME rated for the pressure and gross output of the boiler For replacement parts heating contractors should contact their Slant Fin boiler distributor Sentry 19 APPENDIX A Removal of Existing Boiler from Common Vent System 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 hor izontal pitch and determine there is no blockage or restric tion 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 other spaces of the building Turn on clothes dryer and any appliance not connected to the common vent ing 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 fire place dampers d Place in operation the appliance being inspected Follow the lighting instructions Adjust thermostat so appliance will operat
21. e continuously e Test for spillage at the draft hood relief opening after 5 min f utes of main burner operation Use the flame of a match or candle or smoke from a cigarette cigar or pipe 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 ANSI Z223 1 latest edition 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 Appendix G in the National Fuel Gas Code ANSI Z223 1 latest edition SLANT FIN CORPORATION Greenvale N Y 11548 Phone 516 484 2600 FAX 516 484 5921 Canada Slant Fin LTD LTEE Mississauga Ontario www slantfin com
22. ed 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 permit ted when tankless heaters are used When anti freeze must be used inhibited propylene glycol is recommend ed 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 34 Russo Place Berkeley Heights NJ 07922 Consult glycol manufacturers for sources of propylene glycol DO NOT use ethylene glycol because it is toxic Water Treatment A good water treatment program will not only extend the useful life of this boiler but it will also save much of the time and expense of repairs made necessary by pre ventable occurrences A reputable water treatment company should be consult ed to evaluate and determine the best overall treatment program for your boiler equipment 6 KEEP THE BOILER AREA CLEAR AND FREE FROM COMBUSTIBLE MATERIALS GASOLINE AND OTHER FLAMMABLE VAPORS AND LIQUIDS Sentry 13 SEQUENCE OF OPERATION FOR SENTRY BOILERS EQUIPPED WITH CONTINUOUS BURNING PILOTS FOR DIAGRAMS SHOWN ON PAGE 14 LIGHTED PILOT HEATS THERMOCOUPLE AND KEEPS PILOTSTAT OPEN CIRCULATOR ENERGIZED HIGH LIMIT CONTACTS CLOSED IF COMBINATION AQUASTAT LOW WATER CUT OFF WHEN USED CONTROL USED CONTACTS CLOSED
23. gas supplier lf the pilot will not stay lit after several tries turn the gas control knob to OFF and call your service technician or gas supplier Replace pilot access panel Turn gas control knob counterclockwise to ON Replace control access panel Turn on all electric power to the appliance Set thermostat to desired settings To Turn Off Gas To Appliance Set the thermostat to lowest setting Turn off all electric power to the appliance if service is to be performed Hemove control access panel Turn gas control knob clockwise DO NOT force Replace control access panel to OFF Pilol in Boiler Side View typical Aluminum Piot Gas Tube Thermocoupie Figure 12 10 E I m 10 11 12 Intermittent Pilot System IID FOR BOILERS EQUIPPED WITH HONEYWELL GAS VALVE VR8204 OR VR8304 see figures 13 and 14 SAFETY INFORMATION FOR YOUR SAFETY READ BEFORE OPERATING WARNING f you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life This appliance is equipped with an ignition device which automatically lights the pilot DO NOT try to light the pilot by hand BEFORE OPERATING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS DO NOT try to light any appliance e DO NO
24. grams 14 15 Pump or Valve Zoning of Water Boilers 16 Troubleshooting Guide 17 Piping a Heating Cooling System 18 Replacement Parts 18 ADDEDODCJNq maurs ue scene e GO 19 Heating Contractor Address Phone Number Printed in U S A 605 Part No 46 0528 IMPORTANT READ ALL OF THE FOLLOWING WARNINGS AND STATEMENTS BEFORE READING THE INSTALLATION INSTRUCTIONS WARNING LIQUEFIED PETROLEUM PROPANE GAS FIRED BOILERS Installation location ONLY as permitted in paragraph enti tled LIQUEFIED PETROLEUM L P PROPANE GAS FIRED BOILER LOCATION on page 4 of this instruction book The above warning does not apply to NATURAL gas fired boilers The installation must conform to the requirements of the authority having jurisdiction or in the absence of such requirements to the National Fuel Gas Code ANSI Z223 1 latest edition The installation must also conform to the additional requirements in this Slant Fin Instruction Book In addition where required by the authority having jurisdic tion the installation must conform to American Society of Mechanical Engineers Safety Code for Controls and Safety Devices for Automatically Fired Boilers No CSD 1 If there is any conflict in the above requirements then the more stringent requirement will apply This manual must be left
25. heck See Safety Check for Control System No 4 below 2 Recheck of input gas rate to burners See Initial Start paragraph in Operating instructions section 3 Re adjusting for best flame characteristics of main flame and pilot s See Initial Start paragraph in Operating Instructions section and see Burner Adjustment section 4 Burner and boiler flue passage cleanliness BURNER AND FLUE CLEANING see figure 17 It is suggested that paper be placed on burners to collect any foreign material when cleaning flues Remove jacket top and flue cover Use wire brush to clean flueways Replace flue cover and re seal with furnace cement Replace jacket top Remove and dispose of paper and accumulated material 8 If burner surfaces are not clean or if uneven flame indicates plugged burner ports remove and clean burners N O Ol WARNING The ceramic combustion chamber in the burner box contains crystalline silica Wear proper dust mask and gloves when servicing combustion chamber or burners Crystalline Silica has been identified as a carcinogen or possibly carcinogenic to humans NOTE TO REMOVE BURNERS 1 Disconnect pilot at pilot mount or disconnect pilot gas line at gas valve before removing burners next to pilot 2 Lift burner and remove burner from orifice 3 Clean and replace burners and pilot Adjust burners as described on page 10 To clean burners run a clean flue brush up the tube until al
26. ing system by others High Limit Control Install manual gas main shutoff valve 5 ft above floor when required by loca code Install sediment trap and connect with ground joint union Dotted piping by instailing contractor Ignition Control Blocked Vent Safety Switch front panel Combination Gas Valve Sediment Trap gas tapping 7 required Left End View Front View Right End View Dimensions tD MODEL SX 150 to SX 210 Vent Damper shown vertically 3 4 to air eliminating system by others Blocked Vent Safety Switch 1i v 1 Supply FPT Supply D by others Pressure Temp Gauge 213 4 Drain Rollout Safety Switch behind front panel Left End View Front View Circulator 1 Circ Flange 117 Return Tapping Combination Gas Valve gas tapping Vo 8 install manual gas main shutoff valve 5 ft above floor when required by local code install sediment trap and connect with ground joint union Dotted piping by installing contractor E High Limit Control Ignition Control 155 _ 193 4 Right End View Sediment Trap required Note Height dimension increases by 1 3 4 when combustible floor kit is used Vent damper may be installed horizontally on all models with use of a vent elbow For more information see Figure 3 page 5 Sentry 3 Dimensions Approx inches Total Wt Full
27. ion The boiler and its gas connection must be leak tested before placing the boiler in operation Use liquid soap solution for all gas leak testing DO NOT use open flame This boiler and its individual shutoff valve must be discon nected from the gas supply piping system during any pres sure testing of that system at test pressures in excess of 1 2 PSIG This boiler must be isolated from the gas supply piping sys tem by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 PSIG All gas piping used should be inspected thoroughly for cleanliness before makeup A sediment trap must be pro vided as illustrated on page 2 The minimum and maximum gas supply pressure at the inlet of gas valve are shown on the boiler rating plate for the type of gas used Gas supply pressure should never be less than minimum or more than maximum pressure when the boiler or any other appliance is turned on or off Gas Flow In Piping cu ft per hr Iron Pipe Size IPS inches Length of Pipe in Feet At pressure drop of 0 3 in water specific gravity 0 60 ELECTRICAL CONTROLS AND WIRING A The electrical power to the boiler must be on a separately B fused and live circuit If an external electrical source is utilized the boiler when installed must be electrically grounded in accordance with the requirements of the authori
28. ir B Fire the boiler as soon as possible see following warning and instructions and bring water temperature to at least 180 degrees while circulating water in the system C Vent air and add water as needed to achieve operating pressure on boiler gauge Pressure must be between approximately 12 psi cold water and 25 psi at water tem perature setting of high limit control for boilers equipped with 30 psi relief valves Boilers rated for a higher pressure and equipped with a matching relief valve may operate at a higher pressure but no higher than 5 psi below the relief valve opening pressure D Check for and repair any leaks before placing system in service Before firing boiler make these checks 1 System is full of water Air is vented or purged 2 Relief valve is installed in accordance with the ASME Boiler Pressure Vessel Code Section IV Valve opening is not closed or reduced in size 3 Venting is installed according to instructions under VENT PIPING 4 All wiring is completed following applicable wiring dia grams Sentry 5 Using soap solution check for gas leaks in all gas piping from meter to boiler pilot and manifold DO NOT use open flame INITIAL START Safe lighting and other performance criteria were met when testing various gas manifold and control assemblies used on the Sentry Series Boilers under the ANSI Z21 13 1991 Standard INSTRUCTIONS Follow the lighting instructions in this manual th
29. l foreign matter is removed 4 SAFETY CHECK FOR CONTROL SYSTEM A High limit control test Set thermostat high enough for boiler water temperature to reach high limit control set ting When this temperature is reached the high limit switch should open and the main gas valve should close Sentry JACKET FLUE COLLECTOR FLUE COVER BOILER CLEANING Figure 17 automatically If the high limit does not operate to close the main gas valve the valve the high limit or the wiring is faulty Repair or replace immediately B Gas valve safety shutdown test 1 For boiler equipped with continuous burning pilot with main burners firing disconnect the thermocouple from the gas valve The gas valve should immediate ly shut off the main burners and the pilot 2 For boilers equipped with Honeywell 58600 intermit tent pilot system with main burners firing disconnect the ignition cable from the 58600 IGNITOR BOX The gas valve should shut off the main burners If the gas valve fails to shut down main burners when the test in 1 or 2 is performed replace the gas valve C Check for gas leaks from valve and gas piping to burners and pilot If leaks are found repair or replace as required 5 PROVIDING PROTECTION FROM FREEZING A Anti freeze is sometimes used in hydronic heating sys tems to protect against freeze up in the event of power failure or control shutdown when the building is unoccu pied It should be recogniz
30. lpful 11 2 Safety Shutdown Checkout a For proper operation the pilot should engulf the thermo couple or flame sensor as shown below b To adjust pilot turn pilot flow adjustment screw on valve clockwise or counterclockwise to give a steady flame enveloping 3 8 to 1 2 inch of the tip of the thermocouple or flame sensor Note that turning the pilot adjust screw clockwise will decrease the pilot flame Check safety shutdown of gas valve by following procedure outlined CARE and MAINTENANCE section N NV ZZ Main Burner 222 Front back sliding primary air shutter locking screw on top Manifold Figure 15 PILOT FLAME 3 8 TO 1 2 oaa THERMOCOUPLE Figure 16 CARE AND MAINTENANCE WARNING THE FLOW OF COMBUSTION AND VENTILAT ING AIR TO THE BOILER SHOULD NOT BE OBSTRUCTED This section must be brought to the attention of the owner by the instaler so that the owner can make the necessary arrangements with a qualified service agency for the periodic care and maintenance of this boiler The installer must inform the owner that the gas supplier can recommend a number of qualified service agencies The installer must also inform the owner that the lack of proper care and maintenance of this boil er and any fuel burning equipment may result in a hazardous condition 1 GENERAL MAINTENANCE Information Manual These operations are recommended to be performed at reg ula
31. maller boiler sizes in residences of one or two stories The alternate pump location shown in illustration is required in large multi story building installations especially when high head pumps are used The compression tank must be at the boiler or between boiler and supply main pump s IMPORTANT Hot water heating systems containing high water volume such as would occur with cast iron radia tion require special care with air elimination The circulator pump should be located on the boiler sup ply pipe and the expansion tank and air scoop should be located near the pump suction C On a hot water boiler installed above radiation level the boiler must be provided with a low water cutoff device at the time of installation by the installer Sentry 3 4 Pressure Helief Valve Alternate Circulator Circulator Flow Control 3 4 Pressure Relief Valve se Alternate Alternate Air Vent Circulator Expansion Circulator Figure 10 Piping Arrangement D Radiant floor and low water temperature systems A boiler by pass loop three way valve arrangement or prima ry secondary pumping with a boiler loop must be used to pro vide a minimum 130 F return water temperature to the boiler This will prevent condensation on the cast iron sections that can result in improper operation of the boiler OPERATING INSTRUCTIONS l FILLING AND VENTING WATER SYSTEMS A Fill the system with water Vent or purge off a
32. ne or more sides below the roof line exterior chimney ONE of the following options apply 1 Chimney must be re lined with a metallic liner When this is done the chimney will be considered NOT exposed to the outdoors and the requirements of the National Fuel Gas Code for NON exposed chimneys and or local codes will apply 2 f an exposed tile lined chimney is to be used WITHOUT a metallic liner the boiler must first meet the require ments of the following tables and paragraphs of the National Fuel Gas Code I For Single Sentry Boiler Paragraph 10 1 9 and table 10 11 Il For multiple appliances Paragraph 10 2 18 and table 10 12 or 10 13 if applicable In addition all requirements of Part 7 Part 10 and Appendix G of the National Fuel Gas Code and or local codes apply B If an existing boiler is removed from a common venting system the common venting system may be too large for proper venting of the remaining appliances connected to the common vent Follow the test procedure shown in Appendix A on page 19 of this manual to insure proper operation of venting system and appliances Sentry C Inspect for proper and tight construction Any restrictions or obstructions must be removed An existing chimney may require cleaning D Chimney or vent must extend at least 3 feet above any ridge within 10 feet of the chimney MINIMUM CLEARANCES FROM COMBUSTIBLE CONSTRUCTIONS SENTRY SERIES MINIMUM CLEARANCE FOR COMB
33. ously for at least 15 minutes to reach burner operating temperature 2 Observe the flames all burners The base of all flame jets should be blue The tips should be blue shading to orange NOTE Dust disturbed by any movement will cause bright orange flames Wait for dust to settle 3 For one burner close the air shutter until some of its flame jet tips turn yellow white indicating insufficient primary air Then open shutter until whitish tips disappear completely Set all burner shutters to the same opening Observe to make sure that no yellow white tips appear over any portion of the flame Small yellow tips at the pilot location are per mitted NOTE This adjustment method gives MINIMUM primary air setting for safe combustion DO NOT attempt to make this adjustment unless burners are at operating temperature Adjustment should be made with burner access panel in final operating position Use of a mirror may be helpful to observe flames Note that burner ports are on top of main burner tube C Main Burner Ignition Checkout and Pilot Adjustment 1 The pilot flame must not smother or snuff out when test ed as follows a Main burner ignition from cold start repeat b Continued operation of main burner c Main burner ignition with appliance at maximum oper ating temperature after prolonged operation NOTE Observe operation of the pilot burner with appli ance doors in the final operating position Use of a mir ror may be he
34. piping will pool in a basement or other space below the leak A spark or flame from the boiler or other source may ignite the accumulated propane gas causing an explosion or fire Provide a level solid foundation for the boiler Location should be as near the chimney as possible so that the flue pipe from boiler to chimney is short and direct The UNIFORM MECHANICAL CODE may be in effect in your geographic area The following precautions are cited by the 1994 UNIFORM MECHANICAL CODE section 304 6 LPG Appliances Liquefied petroleum gas burning appliances shall not be installed in a pit basement or sim ilar location where heavier than air gas might collect Appliances so fueled shall not be installed in an above grade under floor space or basement unless such loca tion is provided with an approved means for removal of unburned gas Consult Chapter 5 of the 1994 UNIFORM MECHANICAL CODE for design criteria of the approved means for removal of unburned gas CHIMNEY REQUIREMENTS A Sentry boilers may be vented into a masonry vitreous tile lined chimney or type B venting system NOT EXPOSED to the OUTDOORS below the roof line Venting and sizing of venting system must be in accordance with Part 7 Part 10 and Appendix G of the National Fuel Gas Code ANSI 2223 1 NFPA 54 latest edition which will be referred to as the National Fuel Gas Code Local codes apply If a masonry chimney is exposed to the outdoors on o
35. r intervals A BOILER HEATING SURFACES found B BOILER CONTROLS check contacts settings correct functioning C PIPING check piping and accessories for leaks D CHIMNEY VENTING SYSTEM check for obstructions and leaks E BOILER ROOM AIR SUPPLY check air vents for contin ued POSITIVE supply of air as required Air needs are greatest in cold weather Air vents must be open and free of obstruction F WATER SYSTEM CHECK 1 System to be full of water and pressure to remain sta ble at correct setting on gauge 2 Air control system noise and air binding in radiation should not occur Refer also to Owner s clean off all coatings 12 3 Water lines slightest leaks should be corrected 4 Low water cutoff for operation see instructions fur nished with unit 2 WATER LEVEL CHECK DURING HEATING SEASON A Check water pressure regularly and add water slowly to system when needed If much water is added venting may be necessary B Regular loss of water from water boiler system may indi cate either a system leak or a faulty air control system or a faulty automatic fill valve 3 ANNUAL INSPECTION AND CLEANING A It is important that this boiler be inspected by a compe tent serviceperson to help insure safe and reliable oper ation B Check for gas leaks from valve and gas piping to burners and pilot If leaks are found repair or replace as required C This inspection should include 1 Controls c
36. s been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the con trol system and any gas control which has been under water Lighting Instructions STOP Read the safety information above on this page Set the thermostat to lowest setting Turn off all electric power to the appliance Remove control access panel Push in gas control knob slightly and turn clockwise CON to OFF Wait five 5 minutes longer for propane to clear out any gas then smell for gas including near the floor If you then smell gas STOP Follow B in the safety information on this page If you don t smell gas go to next step Remove the pilot access panel located below and behind the gas control unit PILOT THERMO BURNER COUPLE 10 9 Find pilot follow metal tube from gas control The pilot is between two burner tubes behind the burner access panel Turn knob on gas control counterclockwise to GAS CONTROL KNOB SHOWN IN OFF POSITION RED BUTTON Figure 11 Valve VR8200 or VR8300 Push in red button all the way and hold in Immediately light the pilot with a match Continue to hold the red button in for about one 1 minute after the pilot is lit Release knob and it will pop back up Pilot should remain lit If it goes out repeat steps 5 through 10 f knob does not pop up when released stop and imme diately call your service technician or
37. t to desired setting If the appliance will not operate follow the instructions To Turn Off Gas To Appliance and call your service techni cian or gas supplier till knob stops then To Turn Off Gas To Appliance Set the thermostat to lowest setting Turn off all electric power to the appliance if service is to be performed Remove control access panel Turn gas control knob clockwise till knob stops then continue to OFF DO NOT force Replace control access panel Sentry ore GAS CONTROL KNOB SHOWN IN OFF POSITION Figure 13 Valve VR8204 VR8304 Knob IN T r LET 58600 Ignitor Ignition Cable Electric Ignition Pilot in Boiler 4 _ Side View Gas Valve Aluminum Pilot Gas Tube Figure 14 Ill BURNER ADJUSTMENT A Adjust gas input rate 1 e 3 Consult gas supplier for higher heating value of gas Btu cu ft Set thermostat high enough so that boiler will remain on while checking rate Measure manifold pressure at 1 8 tapping Correct man ifold pressure for gas used is printed on boiler rating plate NOTE Gas pressure may be adjusted by turning pressure regulator screw on combination gas valve turn clockwise to increase pressure counterclockwise to decrease pressure a Input for PROPANE is approximately at rating shown on rating plate when manifold pressure is 9 1 2 water column b Input for NATURAL GAS is appro
38. te which states that the boiler may be used with a Slant Fin Corp automatic vent damper device and indicates the proper vent damper model number This device cannot be used with millivolt ignition system A INSTALLATION INSTRUCTIONS BEFORE YOU START TO INSTALL 1 Read this installation manual the DANGER plate attached to the top of the boiler the WARNING on the wiring diagrams vent damper carton and operator cover 2 Perform pre installation inspection as required by ANSI specification Z21 66 See Vent Damper Instructions 3 Select a proper convenient location for vent damper Vent damper may be installed vertical or horizontal on all mod els see figures 1 2 and 3 SENTRY PACKAGED P BOILERS OPERATOR MODELS SX 1SO TO SX 210 WRONG LOCATION FOR VENT DAMPER VENT DAMPER INSTALL HERE DRAFT 000 AQUASTAT CONTROL HONEYWELL L6148E Figure 1 Vertical Installation of Vent Damper on Sentry SX Boilers 5 4 Carefully unpack the unit DO NOT FORCE IT OPEN OR CLOSED Forcing the damper may damage the gear train and void the warranty SENTRY PACKAGED BOILERS MODELS 5 34 TO 5 150 AQUASTAT CONTROL HONEYWELL L8148E Figure 2 Vertical Installation of Vent Damper on Sentry S Boilers Install operator in any position as shown above DO NOT install the operator above the vent pipe to avoid excessive heat or below the vent pipe to avoid possible condensate damage Figure
39. ting of Equipment Other local codes may also apply and must be followed B Boiler vent pipe must be the full diameter of the boiler outlet See dimensions page 2 C If more than one appliance vents into a common breeching the area of the breeching must be equal to the area of the largest vent plus 50 of the area of the additional vent areas Vent connectors serving appliances vented by natur al draft shall not be connected into any portion of mechani cal draft systems operating under positive pressure Horizontal breeching or vent pipe should be as high as pos sible consistent with codes so that vertical vents from appli ances will have a high rise above draft diverter openings All horizontal runs must slope upwards not less than 1 4 inch per foot of run Horizontal portions of the venting system Sentry must be supported to prevent sagging by securing each joint with metal screws and by providing hanger spaced no greater than 5 feet apart D Vent or breeching into chimney should not be inserted past the inside wall of the chimney liner E All venting means should be inspected frequently See Care and Maintenance and separate User s Information Manual VENT DAMPER INSTALLATION The vent damper referred to in the following instructions is the Slant Fin Corporation vent damper This device is design certified by A G A for use ONLY on spe cific Slant Fin Corp gas boiler models These boilers must also be equipped with a pla
40. ty having jurisdiction or in absence of such requirements with the National Electrical Code ANSI NFPA No 70 latest edition Basic control wiring diagrams are given on pages 14 and 15 Other control systems may be factory supplied see User s Information Manual and Instructions packed with control system supplied D After placing the boiler in operation the safety shutoff device must be tested See page 12 safety check 8 BOILER ROOM AIR SUPPLY AND VENTILATION An ample supply of air is required to obtain combustion and ventilation ALL AIR COMES FROM OUTSIDE directly through wall openings to the boiler or through unsealed openings around windows doors etc in the whole building When build ings are insulated caulked and weather stripped now or later on direct openings to outside may be required and should be provided lf the boiler is not near an outside wall air may be ducted to it from outside wall openings Provisions for combustion and ventilation air must be made in accordance with section 5 3 Air for Combustion and Ventilation of the National Fuel Gas Code ANSI Z223 1 latest edition or applicable provisions of the local building codes The following recommendation applies to buildings of energy saving construction fully caulked and weather stripped Provide one GHILLED opening near the floor and one near the ceiling on an outside wall near the boiler or duct from such openings to the boiler EACH opening to
41. vent safety switch by depressing the reset button REMEDY 1 Check repair or replace 2 Check wiring and controls REMEDY Adjust to proper manifold pressure Adjust air to produce soft clean flame Adjust bleed opening Remove burrs Install orifice plugs with proper drilling Repair or replace Check air supply and venting system Contact utility Correct to manufacturer s recommendations Seo Se REMEDY Increase gas supply to pilot Clean ports or orifices Realign burners or manifold Adjust primary air shutters Check and reduce to input shown on rating plate Check air supply and venting system SAP p Do ct REMEDY 1 Locate leaks and repair 2 Close service supply valve shut down appliance and notify utility 3 Check and repair chimney 4 Clean flueways and adjust burners as described in the installation instructions Check manufacturer s recommendations Check air supply and venting system 7 Adjust gas input to that shown on boiler rating plate poe REMEDY 1 Increase firing rate to that shown on rating plate 2 Set low limit controls to maintain a higher water temper ature If boiler is not equipped with low limit replace with one which has a combination low limit high limit aquastat 3 Relocate boiler or insulate breeching 4 Check chimney and venting recommendations 18 PIPING A HEATING COOLING SYSTEM TO A WATER BOILER AND CHILLER The chiller must be piped
42. with owner and should be hung on or adjacent to the boiler for reference WARNING This boiler gas piping and accessories must be installed connected serviced and repaired by a trained experi enced service technician familiar with all precautions required for gas fired equipment and licensed otherwise qualified in compliance with the authority having jurisdic tion Boiler Model Number Boiler Serial Number Installation Date PUBLICATION S 40 Rev N Dimensions MODEL S 34 2 3 to air eliminating Pd system by others Vent Damper 1 Integral FPT Supply Draft Diverter Supply by others behind draft diverter Blocked Vent 21 3 Safety Switch integral Draft Diverter Roliout Safety Switch behind front panel Left End View Front View Dimensions MODELS 5 60 to S 150 p to alternate E Vent Damper air eliminating system by others Gauge Rollout Safety Switch behind High Limit Circulator 11 Circ Flange 77 2 Return Tapping Combination Gas Valve gas tapping 1 2 Circulator 1 Circ Flange 117 Return Tapping Sentry install manual gas main shutoff valve 5 ft above floor when required by local code Install sediment trap and connect e with ground joint union Dotted piping by installing Control contractor Ignition Control Sediment Trap required Right End View 3 to air eliminat
43. ximately at rating when manifold pressure is 3 1 2 water column but should be checked on the gas meter Btuh Input Btu cu ft x cu ft metered in 3 minutes x 20 Example 1 For 1000 Btu cu ft gas this becomes Btuh Input cu ft metered in 3 minutes x 1000 Btu cu ft x 20 Example 2 For 1050 Btu cu ft gas this becomes Btuh Input cu ft metered in 3 minutes x 1050 Btu cu ft x 20 The higher heating value of gas varies substantially for different localities Consult with Slant Fin s Technical Service Dept for re orificing procedures if any of the fol lowing apply Sentry a Boiler burner is overfiring CAUTION National Fuel Gas Code ANSI Z223 1 latest edition does NOT per mit firing at a higher input rate than the input rate indi cated on the boiler rating plate in order to avoid haz ardous conditions such as explosion or carbon monoxide poisoning b Poor higher heating value of gas is causing the actu al input to be substantially lower than the rating plate indication Higher heating value of gas is commonly known as a heating value GAS RATE TABLE The gas metered in 3 minutes to obtain rated input for each boiler model using 1000 Btu cu ft gas is tabulated in gas rate table Cubic Feet Gas Consumption 1000 Btu cu ft gas in 3 minutes at rated input Boiler rated input in cu ft hr of 1000 Btu cu ft Natural Gas B Main Burners 1 Fire the boiler continu
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