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Summary of Contents for K90-100

Page 1: ... to the boiler WARNING Improper installation adjustment alteration service or maintenance can cause injury or property damage Refer to this manual For assistance or additional information consult a qualified installer service agency or the gas supplier Sears Roebuck and Co Hoffman Estates IL 60179 U S A First edition 10 09 00 ...

Page 2: ...te trap F chilled water piping COMBUSTION AIR AND VENT PIPE A connections and terminations B installation GAS SUPPLY PIPING A check gas supply B connecting the gas piping C checking the gas piping ELECTRICAL WIRING A electric power supply B install your thermostat C field wiring connections D schematic wiring diagram E ladder wiring diagram CONTROLS AND ACCESSORIES A UT 1013 10 integrated boiler c...

Page 3: ...ty shutoff 38 F test high limit control and adjust 38 G test other safety controls 39 H set thermostat heat anticipator 39 I measure the gas input rate 39 J set thermostat to desired room temperature 41 K review all instructions 41 L installation and check out certificate 41 MAINTENANCE AND CLEANING 43 A beginning of each season 43 B daily during heating season 43 C monthly during heating season 4...

Page 4: ...cally reducedCO and NOx emissions which contributeto a cleanerandhealthierenvironment The K90 unlike normalresidentialatmosphericandinduceddraft units takesits combustionair directly from the outdoors sealed combustion anddoesnot competewith buildingoccupants for fresh air Sealedcombustion alsoknownas direct vent is thesafestandbestway to obtainplentyof cleancombustionair The induceddraft fandraws...

Page 5: ...t iron radiators radiant floor etc The difference between the Heating Capacity and the Net I B R Rating called the piping and pickup allowance establishes a reserve for heating the volume of water in the system and offsetting heat losses from the piping The Net I B R Ratings shown are based on a piping and pickup factor of 1 15 in accordance with the I B R Standard as published by the Hydronics In...

Page 6: ...8 500 NOMINAL INPUT MBH 50 0 48 0 47 8 44 0 43 5 42 0 HEAT CAPACITY MBH 45 0 43 2 43 0 39 6 39 2 37 8 NET I B R RATING MBH 39 0 37 4 37 3 34 3 34 0 32 8 GAS ORIFICE DRILL SIZE 0615 0615 0615 0615 0615 0615 MANIFOLD PRESSURE 2 5 2 7 3 0 3 0 2 8 2 7 INCHES WATER COLUMN PRESSURE SWITCH SETPOINT 1 55 1 55 1 55 1 55 1 55 1 55 1 55 1 55 INCHES WATER COLUMN TABLE 1B K90 50 PROPANE GAS HIGH ALTITUDE RATIN...

Page 7: ...5 0605 0605 0605 0605 0605 2 5 2 4 2 3 2 2 2 2 2 2 2 3 2 3 1 35 1 35 1 35 1 35 1 35 1 35 1 35 1 35 TABLE 1E K90 100 NATURAL GAS HIGH ALTITUDE RATINGS ELEVATION FEET NOMINAL INPUT MBH HEATING CAPACITY MBH NET I B R RATING MBH GAS ORIFICE DRILL SIZE MANIFOLD PRESSURE INCHES WATER COLUMN PRESSURE SWITCH SETPOINT INCHES WATER COLUMN 0 2000 3 000 4 000 5 000 6 000 7 000 7 500 8 500 100 0 97 0 96 0 95 0...

Page 8: ...nce schedule for efficient and safe operation 9 Keep boiler area clean of debris and free of combustible and flammable materials 10 Proper through the wall or through the roof combustion venting shall be in accordance with the materials and methods described in this manual Installation must comply with local codes 11 This boiler and related hot water heating systems are not do it yourself items Th...

Page 9: ...boiler and associated hot water heating systems See the table BOILER RATINGS AND CAPACITIES Heat loss calculations should be based on approved industry methods C CONSIDERATIONS FOR BOILER LOCATION Before selecting a location for the boiler the following should be considered Each boiler considered for installation must be Supplied with the correct type of gas natural gas or propane Connected to a s...

Page 10: ... 18 clearance must be maintained at a side where passage is required to access another side for cleaning or servicing inspection or replacement of any parts that normally may require such attention Allow at least 24 at the front and left side and 8 at the top for servicing No clearances are required to venting or combustion air intake piping 5 Equipment shall be installed in a location which facil...

Page 11: ... and vent pipes must be airtight and watertight Combustion air and vent piping must also terminate exactly as shown in Fig 9 or 10 Vent connections serving appliances vented by natural draft shall not be connected into any portion of mechanical draft systems operating under positive pressure Solvent cements are combustible Keep away from heat sparks and open flame Use only in well ventilated areas...

Page 12: ... range hoods and bathroom exhaust so they will operate at maximum speed Do not operate a summer exhaust fan Close fire dampers 4 Place in operation the appliance being inspected Follow the lighting instructions Adjust thermostat so appliances will operate continuously 5 Test for spillage at the draft hood relief opening after 5 minutes of main burner operation Use the flame of a match or candle or...

Page 13: ... panels radiators baseboard or tubing and the supply and return mains After all heating system piping and components have been installed make final connection of the system piping to the boiler A hot water boiler installed above radiation level must be equipped with a low water cut off device A periodic inspection is necessary as is flushing of float type devices per low water cut off manufacturer...

Page 14: ...SERVICE _ VALVE SUPPLY TO f SYSTEM CIRCULATOR SERVICE VALVE RETURN FROM _J_ SYSTEM _ PURGE DRAIN VALVE FIGURE 2 SINGLE ZONE BOILER PIPING 13 ...

Page 15: ...VALVE f OI_E SERVICE VALVE SUPPL TO ZONES CIRCULATOR ZONE SERVICE VALVE FROM ZONES DRAIN VALVES ZONE SERVICE VALVE ZONE SERVICE VALVE FIGURE 3 MULTI ZONE BOILER PIPING WITH ZONE VALVES 14 ...

Page 16: ...hen zoning with circulators the furnished circulator pump should be used as one of the zone pumps Each stripped end of the electrical wires for the circulator pump inside the junction box should be taped or wire nutted to prevent short circuits Unplug the circulator pump wiring at the integrated boiler control FIGURE 4 MULTI ZONE BOILER PIPING WITH CIRCULATORS 15 ...

Page 17: ...stem fill pressure system design temperature and system water content Boiler contains 2 6 gallons U S Size expansion tank accordingly Consult expansion tank manufacturer for proper sizing information Connect properly sized expansion tank not furnished as shown in Fig 6 for diaphragm type expansion tank and Fig 7 for conventional closed type expansion tanks For diaphragm type expansion tanks adjust...

Page 18: ... DIAPHRAGM TYPE EXPANSION TANK COMBINATION QUICK FILL VALVE STRAINER CHECK VALVE AND PRESSURE REDUCING VALVE TEE _ NIPPLE FURNISHED INSTALLED ON PACKAGED BOILER 3 4 STREET ELL FURNISHED IN PARTS BAG FIGURE 6 DIAPHRAGM TYPE EXPANSION TANK PIPING 17 ...

Page 19: ...CLOSED TYPE E_ ANSION TANK L MANUAL VALVE COLD FILL _CHEUK AND PRESSURE REDUCING VALVE FIGURE 7 CONVENTIONAL closed type EXPANSION TANK PIPING 8 ...

Page 20: ... to be pitched down to floor drain at a minimum of per foot Install furnished I z PVC tee to overflow fitting as shown in Fig 8 The 1 2 diameter schedule 40 PVC or CPVC condensate drain piping and pipe fittings must conform to ANSI standards and ASTM D1785 or D2846 Schedule 40 PVC or CPVC cement and primer must conform to ASTM D2564 or F493 In Canada use CSA or ULC certified schedule 40 PVC or CPV...

Page 21: ...NS AND TERMINATION For boilers connected to gas vents or chimneys vent installations shall be in accordance with part 7 Venting of Equipment of the National Fuel Gas Code ANSI Z223 l latest revision CAN CGA B149 1 and B149 2 and applicable provisions of the local building codes Provisions for combustion and ventilation air must be in accordance with section 5 3 Air For Combustion and Ventilation o...

Page 22: ...ENGTH 4 90 ELBOWS 80 FEET IN LENGTH AND UP TO 4 90 ELBOWS 2 FEET IN 20 FEET IN 20 FEET IN 100 FEET IN K90 75 LENGTH LENGTH LENGTH LENGTH _L AND UP TO AND UP TO K90 50 4 90 4 90 4 90 4 90 ELBOWS ELBOWS ELBOWS ELBOWS The length of pipe is counted from the boiler jacket air intake pipe or from vent tee vent pipe For additional elbows reduce the maximum vent length as shown 2 90 degree elbow 1 1 2 fee...

Page 23: ...vent becomes obstructed Under certain conditions flue gas will condense forming moisture and may be corrosive In such cases steps should be taken to prevent building materials at the vent from being damaged by exhaust of flue gas The venting system shall terminate at least 3 feet above any forced air inlet except the boiler s combustion air inlet within 10 feet The venting system shall terminate a...

Page 24: ...FIGURE 10 SIDEWALL VENT INTAKE TERMINATIONS 23 ...

Page 25: ... FOR ALL FU4RNISHED 3 76 2mm COMBUSTION AIR INTAKEPIPING 2 50 Smm CPVC VENT PIPING FURN SHEJD _ 2 5 0 Smm CPVC COUPLING FURNISHED V _ NT PfP_NG TRANSITION PITTING _ 2 _o smm O TO 3 78 2mm O IN _ VERTtCAL RUN 3 7O2nv_ DIAMETERVENT COMBU _ A _ INTAKEPIPING FORQ_ 100 SO 24 3 n MAXIMUM LENGTH TOTAL 15 6 t0m MINIMUM LENGTHTOTAL WITH 4 90 ELBOWS 5 IO T 30ASm MAXIMUMLENGTH TOTAL 1 5_Jn WN_ 4 g0 ELBOWS 20...

Page 26: ...e around perimeter of a properly made joint 10 Handle pipe joint carefully until cement sets 11 Support combustion air and vent piping a minimum of every 5 feet using pre formed metal hanging straps Do not rigidly support pipes Allow movement due to expansion and contraction 12 Slope combustion air and vent pipes toward boiler a minimum of 1A per linear foot with no sags between hangers 13 Use app...

Page 27: ...nnection to the gas valve to keep it from turning 6 Install a manual shutoff valve in the vertical pipe about 5 feet above floor 7 Tighten all joints securely 8 Propane gas connections should only be made by a licensed propane installer 9 Two stage regulation should be used by the propane installer 10 Propane gas piping should be checked out by the propane installer C CHECKING THE GAS PIPING After...

Page 28: ...cal Code ANSI NFPA 70 latest revision In Canada electrical wiring shall comply with the Canadian Electrical Codes CSA C22 1 and 2 A ELECTRIC POWER SUPPLY Prior to making any line voltage connections service switch at boiler should be in the off position and the power turned off at the fuse box Run a separate 120 volt circuit from a separate over current protection device in the electrical service ...

Page 29: ...iler system BE SURE TO FOLLOW THE INSTRUCTIONS INCLUDED WITtt YOUR THERMOSTAT Locate the thermostat about five feet above the floor on an inside wall It may be mounted directly on the wall or on a vertical mounted outlet box It should be sensing average room temperature Avoid the Following DEAD SPOTS Behind doors Corners and alcoves COLD SPOTS Concealed pipes or ducts Stairwells drafts Unheated ro...

Page 30: ...f BOILER IN J BOX t20 VOLT CIRCULATOR Y 24 VOLT _3 __ THERMOSTAT MIRE COLOR CODE BK BLACK W WHITB G GREEN Y YELLON _ NEUYRAL _ HOT _ 120 VOLTS S I_ VX_ SNITU_ J C FIGURE 13 FIELD WIRING CONNECTIONS 29 ...

Page 31: ... T_ U_T _UC_1_ _r ii i_ _ _t_L_n_l_ _ r _ T_ i_C _ 1 5 _ r _ _rO_ any of the original wire as supplied with this appliance must be replaced it must be replaced with type 150 C Thermoplastic wire or its equivalent D FIGURE 14 SCHEMATIC WIRING DIAGRAM 3O ...

Page 32: ..._ I _ r l _ _ 11__ n_ _ sJit_ cI_t _l PiI pill pl_ 1 _ j _l T Dr_rlT r_ r_r_ _J_ NOI F L_ LKFEKNC L_ IOH _ C_NE IO_ tLU_ E FIGURE 15 LADDER WIRING DIAGRAM 31 ...

Page 33: ...on the IBC will lockout The VALVE and FLAME diagnostic indicator lamps lamp D and E on the IBC See Fig 16 will blink indicating the failure mode as a lack of flame signal The IBC is manually reset from lockout by either removing and reestablishing the thermostat s call for heat or by turning the service switch off then back on D L4006A HIGH LIMIT AQUASTAT CONTROL The High Limit Aquastat Control de...

Page 34: ... lockout as described in the Sequence of Operation section of this chapter H DRAFT INDUCER The draft inducer blower provides a means for pulling combustion air into and through the mixer the burner the flue ways of the cast aluminum boiler sections and the flue adapter before being discharged through the vent piping to the outdoors See applicable sections for proper sizing and installation of comb...

Page 35: ... either removing and reestablishing the thermostat s call for heat or by turning the service switch off then back on If the boiler cannot be restored to normal operating condition by resetting the control contact a qualified service agency to check heat exchanger flueways for blockage M OPTIONAL EXTERNAL CONDENSATE PUMP For installations where there is no floor drain or other appropriate drainage ...

Page 36: ... rapidly bleed air from boiler then let the relief valve snap shut 2 Open the zone service valve on the suoDlv pipe for the first zone Open the purge valve on the first zone Feed water will fill the zone pushing air out the purge valve Close the purge valve when the water runs air free Close the zone service valve 3 Repeat step 2 for all remaining zones 4 Open all service valves Any air remaining ...

Page 37: ...chnician to i_ _p_l th_ apphancJe _ l_t to replace any parl el the 0onfrol _ y _tom and _y ga_ _ontrol which b0 _ beer1 iJtltlf_ f WRIRr _n_lructions OPERATING INSTRUCTIONS 1 STOP Rood the _afoty information above on thi label _ Set lhe Shortage tat to the owe l setting 3 Turn _ff all glectric power to lhg appliance 4 This appliance is equipped with an ignition device which automatR _llly lights t...

Page 38: ...integrated boiler control B O C O D O E O Thermostat calls for heat energizing system circulator A B 0 C 0 D 0 E 0 Integrated boiler control goes through self check of internal circuitry 1 2 seconds A and energizes draft inducer B O C O D O E O Draft inducer comes up to speed and establishes combustion airflow causing the A normally open differential pressure air proving switch contacts to close L...

Page 39: ...inducer is de energized Lamp B goes out Boiler stands by for next call for heat C O D O E O A B O C D E A B O C O D E A B C O D O E O A B O C O D O E O NOTE First couple of cold starts may be rough due to gas line not being completely purged of air causing low firing rate and high excess air levels B INSPECT VENTING AND AIR INTAKE SYSTEM Operate the boiler and verify that all vent air intake conne...

Page 40: ...tat to lowest setting and verify boiler goes off I MEASURE THE NATURAL GAS INPUTRATE Correct input rate is essential for proper and efficient operation of the burner and boiler I Determine elevation at installation site 2 See page 4 and 5 of this manual to determine the correct input rate for the local elevation 3 Obtain the yearly average heating value of the local gas supply from the gas utility...

Page 41: ... MANOMETER OR THE DIFFERENTIAL PRESSURE GAUGE REFER TO CHECK OUT PROCEDURE AND ADJUSTMENTS IN THIS MANUAL WHEN READING MANIFOLD PRESSURE WHEN MEASUREMENT IS COMPLETE DISCONNECT U TUBE MANOMTERE OR DIFFERENTIAL PRESSURE GAUGE BE SURE TO REINSTALL 1 8 PLUG USING APPROPRIATE PIPE THREAD SEALANT APPROVED FOR USE WITH NATURAL AND LIQUIFIED PETROLEUM GASES FIGURE 17 MANIFOLD PRESSURE MEASUREMENT DETAIL ...

Page 42: ...nge in gas orifice size is required Consult the boiler manufacturer for information on correct orifice sizing The specific gravity G and the higher heating value HHV of the local natural gas must be obtained from the local gas utility in order to determine the proper orifice size f After adjusting input rate turn boiler off remove manometer or pressure gauge reinstall 1 8 plug on gas valve Turn bo...

Page 43: ...ructions have been followed Measured BTU HR input Checkout procedure and adjustments performed Maintenance and Service issues reviewed with owner maintenance person Installation instructions booklet affixed on or adjacent to boiler Installer Company Address Phone Installer s Name Signature 42 ...

Page 44: ... flue gases Check the air baffle located inside 1Vz x2 flexible coupling on the mixer clean it if necessary and make sure to put it back Refer to repair parts diagram of mixer and pressure switch assembly for exact location d Follow instructions for PLACING BOILER IN OPERATION e Follow instructions for CHECK OUT PROCEDURE AND ADJUSTMENTS f Visually inspect condensate drain line for proper operatio...

Page 45: ...off manufacturer s specific instructions E END OF EACH HEATING SEASON ANNUAL SHUT DOWN PROCEDURE 2 Follow instructions TO TURN OFF GAS TO APPLIANCE If heating system is to remain out of service during freezing weather and does not contain antifreeze drain system completely If boiler will be exposed to freezing temperatures drain condensate lines Otherwise do not drain system or boiler F ANNUAL EXA...

Page 46: ...ld be removed by blowing with compressed air or vacuuming k Inspect interior of mixer for any signs of sediment or aluminum oxide and clean if necessary 1 Reinstall burner and mixer gasket and position mixer assembly over studs Install five 5 nuts but do not tighten Reinstall igniter and igniter gasket and fasten with two 2 screws Use care when installing the igniter It is very brittleIX Tighten f...

Page 47: ...ty switch Remove four 4 bolts that attach draft inducer to flue connector b Remove draft inducer and gasket from top of flue connector c Inspect interior of flue connector Any buildup of sediment or aluminum oxide on the inside surface must be cleaned Position the draft inducer gasket and the draft inducer and fasten with four 4 screws Be sure to connect ground wire from draft inducer motor to one...

Page 48: ...I o I STN 10 BY 47 ...

Page 49: ... LOST WHILE BURNER IS F_R NG oIF FF RENTIA_ A_RPRESSURI_ J SV_TCHCONTACTSOF_N GAS VAt A_WIU J B _ O_ ENERG_Z D VALVEIJOKrG_OUT I 4 4 4 l IF AIR FLOW DO_S NOT R_ E_STABtJSH coNTROL LOCKOUT PRO_IE_ t ITH J CC_BUS nON AIRF_OW PU1_O_ LI_ _ BUeIK_ _e_ T_mA rURe SAFETY swrrc_ IF BURNI_ROPERA_ _g_l BOa EXHAS NO WAll_ _M BOU_R s_c n_ j _ r u _ oLy 4 TO IOC POY_ _ _O_CATOR liGHT G _S OUr J _u_s u_u_ _ ToR_...

Page 50: ...F NORMAL SEQUENCE OF OPERATION I vau w ANO _ fOR i iiiiiiiiiiiiiiiiiiiii ii oA_r i_ RUH F_t 30 _C_O PgST ii 3O _CONOS PUmlUmNl mlUllOfP III llll_ ST_8Y FOR _ C UJ F_t N w_T DETAILED SEQUENCE OF OPERATION 49 ...

Page 51: ... 7 IT IS ALSO IMPORTANT TO REMEMBER THAT THE LIKELIHOOD OF COMING ACROSS TWO IDENTICAL DEFECTIVE CONTROLS IN A ROW IS ALMOST NIL IF IT SEEMS TO BE HAPPENING CHANCES ARE THAT EITHER THERE IS NOTHING WRONG WITH THE CONTORL OR IT IS BEING DAMAGED BY SOME OTHER PROBLEM A SHORT BURNING OUT A TRANSFORMER FOR EXAMPLE 2 3 INITIAL SERVICE CHECKS BEFORE TROUBLESHOOTING A MAKE SURE THAT CIRCUIT BREAKER IS ON...

Page 52: ...IZING THE DRAFT INDUCER AND AIR FLOW IS PROVEN OFF DURING PURGE CYCLE DRAFT INDUCER IS NOT POWERED OR AIR FLOW IS NOT PROVEN PURGE OFF OFF DURING IGNITER AND RUN CYCLE NORMAL OPERATION PURGE CYCLE COMPLETE IBC IS LOCKED OUT PROBLEM COULD INDICATE FALSE POSITIVE PROOF BLINKING OF AIR FLOW BLOCKED VENT OR INTAKE AIR PIPE OR FLUE WAY ON IBC IS ENERGIZING IGNITER IGNITER OFF IGNITER IS NOT ENERGIZED O...

Page 53: ...OCCUR OR THE GAS _Y FAlL TO SHUT OFF DO NOT TURN OFF OR DL_3ONNEC T THE _CAL SUPPLY TO THE PUMP _TSTF_ AD 8HUT OFF TI _ GAS AT A LOCATION Ex rI_AL TO THE APPLIANCE DONOT USE TI IEBOILEB IF ANY PARTOF THE GAS CONTROL SYSTIgvi HAS BEENUNDER WATER A QUALI_I_ Si_VIC_ fI_ItNICIAF SHOULD INSPECT TI_ BOILERAND REPLACE ANY PART OF TH_ CONTROL SYST_4 AND ANY GAS CONTROL WHICH HAS BEEN UNDER WATER USE ONLY ...

Page 54: ...R mAPPED IN TOP OF RCtLER I CONTAC I_ tttU NOT STAy CLOS O bff41tL 801U_ COOLS OF_ I J l RI_NR W_NG TO _I_R I d i_ ACE mANS_ 0_Ur _ J _ PUSH RIVET 8Ul r_ ON CASI1_G 11_P I i S_TCH CH _ CON_I_Uff Y 0_ _S_G ngdP _T_ C0NTACT_ C_NTACT_ OR CLO_E DI O4_TO t _1 _ F _ 120 VkC _ T I_IN_LS 1 ANO 3 AT _CTO_ CN ON IBC_ _ _s I C_ CK F OR 120 VAC AT C_CUL_TCIR L Rg P_R_ ORCULAT_ I NO J 1 I o J t _C TO ORCULATO_...

Page 55: ..._Ly_ _ _ IN r KE _F_ _ _ _ LOW S OTS V H_ ME_I TE N 0e_ uR I NOm oou _ l I c _o_ m MAY I O PR_ SUR_ S_TCH YES PUDDLE AND BLOCK INDICAllNG ORAF r INOUOER SUC flON S CH C_ AIR P_ _ NT PRESSURE S_t I_H PER I INSI_UC flONS ON NJ__ C_I OUT SA_PUNC I FOt LOV4NG PAGF S AR_ UN_ O_ _I_L_C_ _a _PUNG UN S CLEAR _TE_C T_ _ WfTCH AND CON NEC f_ D _ rEs _HECK FUJE PAS_ AGF_ _ IN _ PER M dN i_NANCE AND Ut E_N qG...

Page 56: ...G HARNESS j _j _o__s_ _ _ I 0Um_G iC _l n_ WARMUP N ACRO _ TE_MII_ MV ACROSS _INALS O ON 31 1E GAS NO CN6 2 AND CN6 5 OH CONTROt Y4 _JZVAt _ IBC WHILE I_IE VALVE LED IS UT RI_A_RjR_AC_ WIRING B_EF N IBC AND GAS CO_IROL R_ AC_ mC I V T_SOR PO_llON IS OK TO CORRECT POS_ll0H 11P SHOULD 8E S_ Nll_ I TOWARDSBURNER F_ TCoo NOT RELOCATEI J PRESSUREAT INLET OFFS IN mE GAS GAS CONTR_ IS GAS TH_ GAS CONI_ I...

Page 57: ...AIR P_R13p e I 8_ _J_ FLt_ PASS_G S p_ _U_i11_l_ k _0 _G _ S1 R_CIIGN RO AC_ V41N CORRECT AIR BAFR F_ I CI F A N MIXER AHO BUR HER I_R MAINT1E_ _NCI_ AHO CI EAk41N G IN STRU _ rlONS RF PL_C _BURNER I DOES M IN I_JH UNTIL CAt _ F_ HF_ATI_IOS OR HI UMIT A_ A STA T C_ TACTS PENT _ Op z k IF THE AHSVdER IS NO CHOO _E THE APPR _AT_ PA1H it t2 OR _ BASED ON SY _PTOMS SH _N CHARt 6 CHART 6 CHART 6 I S_CG...

Page 58: ...TROUBLESHOOTING CHART 6 I B TROUBLESHOOTING CHART 6 I TROUBLE SHOOTING 57 ...

Page 59: ...et ther mostat to call for heat C Boiler Status Differential Pressure w c Not Running 0 Setpoint Pressure Switch Connects Normally Open 1 17 for Q90 100 1 35 for Q90 75 1 55 for Q90 50 Running Without Greater Than Setpoints Closed Blockage Running With Less Than or Equal to Open Blockage Setpoints If manometer readings do not correspond to the chart above check for possible causes Blockage or mois...

Page 60: ... i TIP OF 4 Yt A JACKET AND BASE ASSEMBLY 59 ...

Page 61: ...L BLUE iQ90 TOP PANEL BLUE Q90 BASE IQ90 CONTROL PANEL AT140B1016 TRANSFORMER 24 VAC PPS101tl 2680 AIR PRESSURE SWITCH Q90 100 PPS10111 2681 AIR PRESSURE SWITCH Q90 75 PPS10111 2682 AIR PRESSURE SWITCH Q90 50 UT 1013 10 INTEGRATED BOILER CONTROL CO 2366 GLIDE HEYCO OCB 1500 BUSHING RACO 232 4x4x2 BOX P S SWITCH 691 I COVER PLATE RACO 902 802 419 1AA1 21 2 PLUG 1415 1AA1 1_ 2 PLUG iBPF 3 1 2 PLUG 4...

Page 62: ...TEM NUMBER DESCRIPTION QUANTITY 1 14631035 59019 V2 IDxl 8 THK VINYL TUBING AS REQUIRED 2 14631141 57134 SNAP GRIP CLAMP 6 3 14631320 62067 Vz ID HOSE TEE 1 4 14631101 62017 V2 NPTx ID TUBE STRAIGHT 1 5 14631321 tA PVC COUPLING SCH 80 1 6 14631306 IA x4 PVC NIPPLE SCH 80 1 7 14631110 l 2 IDx IDx NPTTUBE TEE 1 8 14631323 S S CLAMP SIZE 16 13 16 1 V2 1 REPAIR PARTS 61 ...

Page 63: ...78y C BOILER BLOCK AND PIPING ASSEMBLY REPAIR PARTS 62 ...

Page 64: ...4 x 2 NIPPLE 1 4 20 HEX NUT W SERRATED WASHER HEAD 8 32X3 16 SOC HD CAP SCREW 36T26 42930 CASTING TEMP SAFETY SWITCH 1 4 20x1 1 2 SOC HD CAP SCREW 1 4 20x1 1 4 STUD THREADED Q90 TESTED BLOCK INCLUDES 8 I 1 14 AND 20 22 1 1 4 SQ HEAD SOLID PLUG 1 4 x1 1 4 CARRIAGE BOLT 62017 IA NPTxl 2 ID TUBE STRAIGHT 1 1 4 x 2 1 2 NIPPLE BLACK 1 1 4 x3 4 xl 1 4 TEE 3 4 DRAIN VALVE 1 SQ SOCKET PLUG EMPIRE SIGHT GL...

Page 65: ...TO SIGHT GLASS ADAPTER D MIXER AND AIR PRESSURE SWITCH ASSEMBLY 64 ...

Page 66: ... 50 AIR BAFFLE Q90 AIR INLET 2 FERNCO COUPLING 10 32 x3 8 MACHINE SCREW Q90 HOT SURFACE IGNITER FOR Q90 50 75 IQ90 HOT SURFACE IGNITER FOR Q90 1OO HOT SURFACE IGNITER GASKET Q90 MIXER BUSHING 1 2 x3 STD BLACK NIPPLE 1 8 NPT BRASS PLUG 3 16 HEX SOCKET HONEYWELL GAS VALVE VR8205 5 16 24xl 4 HOSE ID BRASS BARB FITTING 62064 ID TUBE TEE ID TUBE 4 WAY CONNECTOR 3 8 HOSE CLAMP HC 6ST PC250 12VINYL CAP 5...

Page 67: ...PTxl 2 ID TUBE STRAIGHT PVC 1 1 2 MALE SLIP x 1 2 FEMALE NPT PVC SCH 40 2 x1 1 2 REDUCER 3 4 ALUMINUM FLAT WASHER 2 CPVC TEE SCH 80 2 CPVC PIPEx2 1 2 SCH 40 VENT SWITCH GASKET 36TX 11 22491 INDUCER TEMP SAFETY SWITCH 4 20xl 4 HWH PLAST FORM SCREW 116516 I1 INDUCED DRAFT BLOWER BLOWER GASKET FLUE CONNECTOR RECOVERY COIL GASKET 1 4 20 HEX NUT W SERRATED WASHER BLOCK 1 8 NPT STEEL PLUG 3 16 HEX SOCKE...

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