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Страница: 51 / 72

POWER ON

STAND BY

THERMOSTAT

CALLS FOR HEAT

CIRCULATOR

ENERGIZES THRU

2K1 CONTACTS

IBC SELFCHECK OF

INTERNAL CIRCUITRY

1-2 SEC

IBC

CHECKS

N.O. AIR

PRESSURE

SWITCH

CONTACTS

FALSE

POSITIVE

PROOF OF

AIRFLOW. IBC WAITS

FOR 45 SEC

FOR AIR PRESSURE

SWITCH CONTACTS

TO OPEN

CLOSED

DRAFT INDUCER

ENERGIZES THRU

1K1 CONTACTS

OPEN

IBC

WAITS FOR

UP TO 5 MINUTES

FOR AIR PRESSURE

SWITCH CONTACTS TO CLOSE

INDICATING FAN

SUCTION

PRESENT

CLOSED

OPEN

PURGE LIGHT IS ON.

AIRFLOW PROVED.

DRAFT INDUCER RUNS FOR 15 SEC PREPURGE

OPEN

PURGE LIGHT GOES OUT. HOT SURFACE IGNITER

POWERED THRU 5K1 5K2 CONTACTS FOR 20

SEC IGNITER WARMUP. BRIGHT YELLOW

ORANGE GLOW OF THE HOT SURFACE IGNITER

CAN BE OBSERVED THRU THE OBSERVATION

PORT IN FRONT OF BOILER SECTION JUST

ABOVE IGNITER,

IGNITOR LIGHT IS ON

GAS VALVE ENERGIZED THRU 3K1 AND 4K1.

CONTACTS,

VALVE LIGHT IS ON.

GAS VALVE OPENS FOR 5 SEC TRIAL FOR

IGNITION. BLUE ORANGE GLOW OF THE BURNER

CAN BE SEEN THRU OBSERVATION PORT.

2 SEC INTO THE 5 SEC IGNITION TRIAL. POWER

IS TURNED OFF TO THE HOT SURFACE IGNITER.

IGNITER LIGHT IS OFF.

DURING THE LAST 2 SEC OF THE 5 SEC IGNITION

TRIAL MAIN BURNER FLAME IS PROVED BY FLAME

RECTIFICATION A FLAME SIGNAL TO IBC. GAS VALVE

REMAINS ENERGIZED. BOILER RUNS.

DOES

MAIN

BURNER PROVE

FLAME WITHIN INITIAL

TRIAL FOR

IGNITION

PERIOD?

CONTROL WILL ATTEMPT 2

ADDITTIONAL IGNITION SEQUENCES.

STARTING WITH PREPURGE.

IF MAIN BURNER DOES NOT PROVE FLAME IN

3 TRIALS, CONTROL LOCKOUT.

VALVE/FLAME

LIGHT BLINKS.

MANUAL RESET IS REQUIRED OR

CONTROL WILL AUTOMATICALLY RESET AFTER

1 HOUR. THIS PROBLEM IS A RESULT OF NOT

ESTABLISHING A FLAME SIGNAL.

NORMAL

OPERATION

YES

CONTROL LOCKOUT.

PURGE LIGHT BLINKS

MANUAL RESET IS REQUIRED OR CONTROL

WILL AUTOMATICALLY RESET AFTER 15

MINUTES. CIRCULATOR REMAINS ENERGIZED

AS LONG AS THERMOSTAT CONTINUES

TO CALL FOR HEAT

DETAILED SEqUENCE OF OPERATION

Service Hints

Содержание UB100

Страница 1: ...MANUAL An ISO 9001 2000 Certified Company MEMBER The Hydronics Institute P N 1305011 Rev A 08 08 Utica Boilers P O Box 4729 Utica NY 13504 4729 www uticaboilers com GAS FIRED DIRECT VENT CONDENSING HOT WATER BOILER ...

Страница 2: ...er installation adjustment alteration service or maintenance can cause injury or property damage Refer to this manual For assistance or additional in formation consult a qualified installer service agency or the gas supplier Read all instructions carefully before starting the installation Save this manual for reference WARNING CAUTION ...

Страница 3: ...urn Lines 15 B Pressure Relief Valve 19 C Expansion Tank And Make Up Water 19 D Condensate Drain Piping 22 E Filling Condensate Trap With Water 23 F Chilled Water Piping 23 Combustion Air and Vent Pipe 23 A Connections And Termination 23 B Installation 29 Gas Supply Piping 29 A Check Gas Supply 29 B Connecting The Gas Piping 30 C Checking The Gas Piping 30 Electrical Wiring 31 A Electric Power Sup...

Страница 4: ...t 42 A Verify Proper Sequence Of Operation 42 B Inspect Venting And Air Intake System 43 C Inspect Condensate Drain 43 D Inspect System Piping 43 E Test Ignition System Safety Shutoff Device 43 F Test High Limit Control And Adjust 44 G Test Other Safety Controls 44 H Set Thermostat Heat Anticipator If Used And Verify Thermostat Operation 44 I Measure The Natural Gas Input Rate 44 J Set Thermostat ...

Страница 5: ...stically reduced CO and NOx emissions which contribute to a cleaner and healthier environment This appliance unlike normal residential atmospheric and induced draft units takes its combustion air directly from the outdoors sealed combustion and does not compete with building occupants for fresh air Sealed combustion also known as direct vent is the safest and best way to obtain plenty of clean com...

Страница 6: ...e to heat water A small portion is heat from the jacket and surfaces of the boiler and it is assumed that this heat stays in the structure The Net I B R Rating represents the portion of the remaining heat that can be applied to heat the radiation or terminal units i e finned tube baseboard cast iron radia tors radiant floor etc The difference between the Heating Capacity and the Net I B R Rating c...

Страница 7: ...anifold pressure adjustment based upon calorific Btu value of supply gas Refer to Table 2 for altitude orifice kit part number For replacing the orifice refer to specific instructions included with the kit TABLE 1 SERIES 90 NATURAL GAS Series 90 50 Stock Factory Btu Value of Natural Gas Settings 750 850 950 1000 1050 Altitude in Ft 0 5 000 5 000 10 000 Normal Input MBH 50 Manifold Pressure In W C ...

Страница 8: ...alue of LP Gas Settings 2300 2350 2400 2450 2500 Altitude in Ft 0 5 000 5 000 10 000 Normal Input MBH 75 Manifold Pressure In W C 2 5 3 5 3 5 3 5 3 3 Orifice 43331093 43331096 For model 90 75 LP units only at altitudes above 5 000 ft install 90 75 High Altitude Orifice Kit 550001810 For all other alti tudes use factory installed orifice Series 90 100 Stock Factory Btu Value of LP Gas Settings 2300...

Страница 9: ...t Mechanical Vent And Domestic Hot Water Appliances For all side wall horizontally vented gas fueled equipment installed in every dwelling building or structure used in whole or in part for residential purposes including those owned or operated by the commonwealth and where the side wall exhaust vent termination is less than seven 7 Read the entire installation manual before beginning the 1 instal...

Страница 10: ...ons Inspection the state or local gas inspector of the side wall 4 horizontally vented gas fueled equipment shall not ap prove the installation unless upon inspection the inspec tor observes carbon monoxide detectors and signage installed in accordance with the provisions of 248 cmr 5 08 2 A 1 through 4 Product approved vent air intake a product approved 5 vent terminal must be used and if applica...

Страница 11: ...uired 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 com bustion air intake piping Equipment shall be installed in a location which facilitates 11 the operation of venting and combustion air intake pip...

Страница 12: ...all 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 Avoid breathing in vapor or allowing contact with skin or eyes FAILURE TO FOLLOW THE AFOREMENTIONED WARNINGS COULD RESULT IN FIRE PROPERTY DAMAGE PERSONAL INJURY OR DEATH Keep boiler area clea...

Страница 13: ...f CSA B 149 for Canadian standards G Foundation Requirements Boiler must be placed on level surface Boiler is NOT to be installed on carpeting Notes If boiler is not level condensate drain lines will not function properly Adjustable feet are located on the boiler to make up for minor surface irregularities or tilt Wood frame or blocks may be used to raise boiler to main tain drain pitch or to be a...

Страница 14: ...devices per low water cut off manufacturers specific instructions A Supply And Return Lines The packaged boiler unit is set up to receive 1 NPT supply and return piping from top access The boiler unit can also be piped from the left side by turning the supply elbow and from the rear of the unit by removing plugs in the rear boiler section NOTE The circulator pump and isolation valves are fur nishe...

Страница 15: ...15 Near Boiler Piping Figure 2 Single Zone Boiler Piping ...

Страница 16: ...16 Figure 3 Multi zone Boiler Piping With Zone Valves Near Boiler Piping ...

Страница 17: ...e 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 Near Boiler Piping ...

Страница 18: ...ter 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 Figure 6 for diaphragm type expansion tank and Figure 7 for conventional closed type expansion tanks For diaphragm type expansion tanks adjust the tank air pressure to match the system fill pres...

Страница 19: ...19 Figure 6 Diaphragm Type Expansion Tank Piping Near Boiler Piping ...

Страница 20: ...20 Figure 7 Conventional closed type Expansion Tank Piping Near Boiler Piping ...

Страница 21: ...8 The diameter schedule 40 PVC or CPVC condensate drain and pipe fittings must conform to ANSI standards and ASTM D 1785 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 CPVC drain pipe cement A condensate pump with a reservoir not furnished may be used to remove condensate to a drain line sanitary line abov...

Страница 22: ...R 26 PVC D2661 ABS DWV or F628 schedule 40 ABS Pipe cement and primer must conform to ASTM standards D2564 PVC or D2235 ABS In Canada construct all combustion air and vent pipes for this unit of CSA or ULC certified schedule 40 CPVC schedule 40 PVC PVC DWV or ABS DWV pipe and pipe cement SDR pipe is NOT approved in Canada Combustion Air and Vent Pipe E Filling Condensate Trap With Water On The Ini...

Страница 23: ...vered in ASTM D1784 Deflection Temperatures under Load 264 psi 1819KPa Allowable temperatures based on Classifications covered in ASTM D3965 Deflection Temperatures under Load 264 psi 1819KPa Combustion Air and Vent Pipe Combustion air and vent piping connections on boiler 3 are sized for 2 pipe Any pipe size change to 3 must be made outside of the boiler casing in a vertical run of pipe to allow ...

Страница 24: ...ounted toward the Total Equivalent Length For additional elbows reduce the maximum vent length as shown 2 90 degree elbow 1 feet per additional elbow 3 90 degree elbow 3 feet per additional elbow Combustion air and vent piping lengths BOILER SIZE 2 PIPE MINIMUM VENTING 2 PIPE MAXIMUM VENTING 3 PIPE MINIMUM VENTING 3 PIPE MAXIMUM VENTING 100 8 FEET 21 FEET 27 FEET 92 FEET 75 50 8 FEET 26 FEET 32 FE...

Страница 25: ... or snow may cause the boiler to shut down if the vent be comes obstructed Under certain conditions flue gas will condense form ing 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 7 forced air inlet except the boiler s combustion air inl...

Страница 26: ...26 Less Than 12 Clearance 12 Or More Clearance Combustion Air and Vent Pipe Figure 10 Side Wall Vent Intake terminations ...

Страница 27: ...27 Combustion Air and Vent Pipe Figure 11 Combustion Air and Vent Piping ...

Страница 28: ...pproved cement to end of pipe and fitting socket over primer Apply cement in light uniform coat on the inside of socket to prevent buildup of excess cement Apply second coat While cement is still wet insert pipe into socket with 8 turn twist Be sure pipe is fully inserted into fitting socket Wipe excess cement from joint A continuous bead of ce 9 ment will be visible around perimeter of a properly...

Страница 29: ...trols 4 5 Use two pipe wrenches when making the connection to 5 the gas valve to keep it from turning 6 Install a manual shutoff valve in the vertical pipe about 5 6 feet above floor 7 Tighten all joints securely 7 Table 3 Gas Pipe Sizes NATURAL GAS Length of Pipe Ft Pipe Capacity BTU Per Hour Input Includes Fittings 1 2 3 4 1 1 1 4 20 92 000 190 000 350 000 625 000 40 63 000 130 000 245 000 445 0...

Страница 30: ...t the white neutral lead from the power supply to the white screw on the service switch Connect the green ground lead from the power supply to the ground green screw on the ser vice switch The receptacle on the service switch is always powered regardless of whether the switch is on or off and could be used as a power supply for an external condensate pump if one is used The boiler when installed m...

Страница 31: ...ted in service switch junc tion box located on outer jacket of boiler See Figure 13 for service switch junction box and thermostat field wiring con nections C Connect Circulator Pump Wiring See Figure 13 following page for service switch junction box and circulator pump field wiring connections A 5 feet wir ing harness with flexible metal conduit is supplied to connect the circulator pump to the s...

Страница 32: ...32 Electrical Wiring Figure 13 Field Wiring Connections ...

Страница 33: ...LATOR CN5 CIRCULATOR DRAFT INDUCER CN10 CONTROL TRANSFORMER AT14081297 HOT SURFACE IGNITER IGNITER CN12 IGNITER COLOR DESIGNATION W WHITE BK BLACK Y YELLOW G GREEN R RED V VIOLET BR BROWN PUR PUPPLE 24 VOLT WIRING 24 VOLT FIELD WIRING 120 VOLT WIRING 120 VOLT FIELD WIRING INDUCER GAS VALVE BLOWER TEMPERATURE SAFETY SWITCH DIFFERRENTIAL AIR PRESSURE SWITCH N O HI LIMIT AQUASTAT CONTROL 24 VAC TRANS...

Страница 34: ...OPPER DIFFERENTIAL AIR P3 9 HIGH LIMIT MANUAL RESET PRESSURE SWITCH 4 5 1 3 VR8205A P12 1 P12 2 LOCATION OF CONNECTOR PLUG BETWEEN SCHEMATIC AND BLK WHT AND THE UNIT RECEPTACLE IS LIVE WHEN CAUTION ON OFF SWITCH 1 2 3 1 P10 2 BOILER SWITCH IS OFF LADDER DIAGRAM NOTE P LABEL REFERENCE WIRE BETWEEN DISCONNECT OVERLOAD PROTECTION AS DISCONNECT MEANS AND 120 VOLT VAC VAC LIGHTS BLOWER SAFETY SWITCH TE...

Страница 35: ... and may be set anywhere between 100 F and 200 F The field setpoint adjustment for each installation depends on heating system requirements The aquastat automatically resets when the boiler water temperature decreases 5 30 F adjustable differential The differential can be adjusted with the white Differential Adjustment Wheel on the aquastat and gives the flexibility for boiler operation The larger...

Страница 36: ...o drain the entire system K A S M E Rated Pressure Relief Valve Each boiler must have a properly sized and installed American Society of Mechanical Engineers rated pressure relief valve Water expands as it is heated by the burner boiler sections If there is no place for the water to expand its volume i e a properly sized and properly functioning expansion tank pressure on the inside of the boiler ...

Страница 37: ...he boiler warranty if evi dence of improper flushing is revealed Consult with your heating professional for recommendations Piping Recommendations System leaks may not always be visible An unseen system leak will become obvious if boiler pressure decreases when make up valve is closed All system leaks must be repaired immediately Constant in troduction of make up water will introduce dissolved oxy...

Страница 38: ...l for a list of boiler manufacturer approved products Always clean system prior to using antifreeze refer to the Cleaning the Hydronic System section of this manual for details Only use the antifreeze manufacturers products outlined in this document Use of antifreeze must be in accordance with local plumbing codes Dispose of old antifreeze and boiler system water in accor dance with local authorit...

Страница 39: ... In these cases it is recommended to flush the system and refill with untreated water and new boiler manufacturer ap proved antifreeze suitable for Aluminum heat exchangers IMPORTANT Regardless of antifreeze or inhibitors used be sure to follow the antifreeze manufacturer s instructions for use safe handling and storage of their products Refer to the MSDS Material Safety Data Sheets provided by th...

Страница 40: ...iagrams in Section VII Near Boiler Piping for more information Close all zone service valves on the supply and return 1 piping and close the expansion tank service valve Drain expansion tank Open the feed valve and fill boiler with water Hold relief valve open until water runs air free for five seconds to rapidly bleed air from boiler then let the relief valve snap shut Open the zone service valve...

Страница 41: ...as control which has been under water STOP Read the safety information above on this label 1 Set thermostat to lowest setting 2 Turn off all electric power to the appliance 3 This appliance is equipped with an ignition device which 4 automatically lights the burner DO NOT try to light the burner by hand Remove the front jacket 5 panel Turn the gas control 6 knob clockwise to OFF Wait five 5 minute...

Страница 42: ...icating 2 Volt power is being supplied to the inte grated control A B C m D m E m Thermostat calls for heat energizing system circulator A l B m C m D m E m Integrated boiler control goes through self check of internal circuitry 1 2 seconds and energizes draft inducer A l B m C m D m E m Draft inducer comes up to speed and establishes com bustion airflow causing the normally open differential pres...

Страница 43: ...uminates in dicating the hot surface igniter is powered for the 20 second igniter warm up period The bright yellow orange glow of the hot surface igniter can be observed through the observation port in the front boiler section just above the igniter A B C l D m E m After igniter warm up the gas valve is energized and opens on the normal firing rate regulator 2 5 w c for a 6 second trial for igniti...

Страница 44: ... of the local gas 3 supply from the gas utility At sea level elevation it should be approximately 1000 Btu s per standard cubic foot Operate boiler for 5 minutes 4 Turn off all other gas appliances extinguishing standing 5 pilots where applicable At gas meter measure time in seconds required to use one 6 cubic foot of gas Calculate input rate according to the following formula 7 3600xheating value...

Страница 45: ... 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 J Set Thermostat To Desired Room Temperature Observe several operating cycles to verify proper operation K Review All Instructions Review all instructions shipped with this boiler with owner...

Страница 46: ...AND ADJUSTMENTS in this manual when reading the manifold pressure When measurement is completed disconnect the U Tube Manome ter or Differential Pressure Gauge Be sure to reinstall the plug using appropriate pipe thread sealant approved for use with natural and liquefied Petroleum gases OFF ON INLET OUTLET GAS CONTROL KNOB PRESSURE REGULATOR ADJUSTMENT UNDER CAP SCREW INLET PRESSURE TAP VR8205 WIR...

Страница 47: ... BTU HR input____________ Installation instructions have been followed Checkout procedure and adjustments performed Maintenance and Service issues reviewed with owner maintenance person Installation booklet affixed on or adjacent to boiler Installer Company Address Phone Installer s Name Signature ...

Страница 48: ...ses Check the air baffle located inside 1 x 2 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 Follow instructions for PLACING BOILER IN OPERA D TION Follow instructions for CHECK OUT PROCEDURE E AND ADJUSTMENTS Visually inspect condensate drain line for proper opera F tion and d...

Страница 49: ...ed to freezing temperatures drain condensate lines Otherwise do not drain system or boiler Annual Examination And Cleaning Of Boiler Components The following service procedures must be performed only by a qualified service agency Boiler owner should not at tempt these procedures Before Servicing turn off electrical power to boiler at ser 1 vice switch Close manual gas valve to turn off gas supply ...

Страница 50: ...letely Once the condensate trap is emptied of water disconnect B condensate lines from the fittings on the boiler the vent tee and the condensate outlet Remove the condensate trap and run cold water through C the condensate lines to thoroughly flush out any sedi ment or debris in the lines Reinstall and connect the condensate trap using the hose D clamps to secure the various condensate lines to t...

Страница 51: ... VALVE LIGHT IS ON GAS VALVE OPENS FOR 5 SEC TRIAL FOR IGNITION BLUE ORANGE GLOW OF THE BURNER CAN BE SEEN THRU OBSERVATION PORT 2 SEC INTO THE 5 SEC IGNITION TRIAL POWER IS TURNED OFF TO THE HOT SURFACE IGNITER IGNITER LIGHT IS OFF DURING THE LAST 2 SEC OF THE 5 SEC IGNITION TRIAL MAIN BURNER FLAME IS PROVED BY FLAME RECTIFICATION A FLAME SIGNAL TO IBC GAS VALVE REMAINS ENERGIZED BOILER RUNS DOES...

Страница 52: ...for heat or turning the service switch off and back on or b waiting for the control to automatically reset after 15 minutes for loss of combustion airflow or one hour for loss of flame DRAFT INDUCER TEMPERATURE SAFETY SWITCH IF DRAFT INDUCER TEMPERATURE REACHES TEMPERATURE SAFETY SWITCH SETPOINT SAFETY SWITCH CONTACTS OPEN IMMEDIATELY CLOSING GAS VALVE LIGHT GOES OUT DRAFT INDUCER RUNS THRU 30 SEC...

Страница 53: ...53 DETAILED SEQUENCE OF OPERATION ...

Страница 54: ... it is being damaged by some other problem an electrical short burning out a transformer for example Initial Service Checks Before troubleshooting 1 Make sure that circuit breaker is on or fuse is ok at electrical panel A Make sure that service switch is on B Make sure that gas is on at the gas meter at all appropriate manual shutoff valves and at the gas control valve C Make sure that the thermos...

Страница 55: ...OFF OFF DURING PURGE CYCLE DRAFT INDUCER IS NOT POWERED OR AIR FLOW IS NOT PROVEN OFF DURING IGNITER AND RUN CYCLE NORMAL OPERATION PURGE CYCLE COMPLETE BLINKING IBC IS LOCKED OUT PROBLEM COULD INDICATE FALSE POSITIVE PROOF OF AIR FLOW BLOCKED VENT OR INTAKE AIR PIPE OR FLUE WAY IGNITER ON IBC IS ENERGIZING IGNITER OFF IGNITER IS NOT ENERGIZED VALVE ON IBC IS ENERGIZING GAS CONTROL VALVE TO OPEN O...

Страница 56: ... gas supplier s instruction If you can not reach your gas supplier call the fire department Should overheating occur or the gas supply fail to shut off do not turn off or disconnect the electrical supply to the pump Instead shut off the gas at a location external to the appliance Do not use the boiler if any part of the gas control system has been under water a qualified service technician should ...

Страница 57: ...57 TROUBLESHOOTING CHART 2 TROUBLESHOOTING ...

Страница 58: ...58 TROUBLESHOOTING CHART 3 TROUBLESHOOTING ...

Страница 59: ...C ACROSS TERMINALS MV ON THE GAS CONTROL WHILE VALVE FLAME INDICATOR LIGHT IS ON NO NO CHECk FOR 24 VAC ACROSS TERMINALS CN6 2 AND CN6 5 ON IBC WHILE THE VALVE FLAME LED IS LIT NO REPLACE IBC YES REPAIR REPLACE WIRING BETWEEN IBC AND GAS CONTROL YES CHECk IF IGNITER SENSOR POSITION IS Ok TIP SHOULD BE SLANTED TOWARDS BURNER RESTORE IGNITER SENSOR TO CORRECT POSITION DO NOT RELOCATE NO YES CHECk GA...

Страница 60: ...60 TROUBLESHOOTING CHART 5 TROUBLESHOOTING ...

Страница 61: ...S SPECIFIC TOOLS NO YES REPLACE BURNER REPLACE IBC BOILER SHUTS OFF BEFORE END OF CALL FOR HEAT ARE HI LIMIT AqUASTAT CONTACTS CLOSED NO BOILER OFF ON HIGH LIMIT IS ACTUAL BOILER WATER TEMP GREATER THAN HI LIMIT SET POINT MINUS 30 F CONTROL DIFFERENTIAL NO NO REPLACE AqUASTAT Ok YES SEE TROUBLESHOOTING PATH 2 ABOVE CHART 5 NO 3 CHART 5 YES SET THERMOSTAT BELOW ROOM TEMPERATURE TO END CALL FOR HEAT...

Страница 62: ... heat Boiler Status Differential Pressure w c Pressure Switch Connects Not Running 0 Normally Open Setpoint 1 00 for Model 100 1 35 for Model 75 1 55 for Model 50 Running Without Blockage Greater Than Setpoints Closed Running With Blockage Less Than or Equal to Setpoints Open If manometer readings do not correspond to the chart above check for possible causes Blockage or moisture in suction lines ...

Страница 63: ...REPAIR PARTS Model No UB90 50 UB90 75 UB90 100 UB90 50 100 GAS FIRED DIRECT VENT CONDENSING HOT WATER Boiler ...

Страница 64: ...64 20 3 5 TYP OF 4 6 11 8 9 10 13 15 16 2 12 1 21 17 18 18 4 19 7 A Jacket and Base Assembly Repair Parts ...

Страница 65: ...YCO OCB 1500 BUSHING 1 14631120 13 RACO 232 4 4 2 BOX 1 14631316 14 15 P S SWITCH 691 I 1 14631319 16 COVER PLATE RACO 902 802 1 14631318 17 419 1AA1 2 PLUG 2 14631174 18 415 1AA1 1 PLUG 2 14631171 19 BPF 3 PLUG 1 14631176 20 421 1AA1 3 PLUG 2 14631175 21 LOWER FRONT PANEL 1 750001027 22 Door Pulls 2 CI 001 03 TACO CIRCULATING PUMP 1 750001027 TACO ISOLATION VALVE SET 1 14626048 GRUNDFOS CIRCULATI...

Страница 66: ... 59019 IDx1 8 THK VINYL TUBING AS REQUIRED 14631035 2 57134 SNAP GRIP CLAMP 6 14631141 3 62067 ID HOSE TEE 1 14631320 4 62017 NPTx ID TUBE STRAIGHT 1 14631101 5 PVC COUPLING SCH 80 1 14631306 6 4 PVC NIPPLE SCH 80 1 14631322 7 TEE PVC SLIP x SLIP x NPT FEMALE 1 14631020 8 S S CLAMP SIZE 16 13 16 1 1 14631323 B Condensate Drain Trap Assembly Repair Parts ...

Страница 67: ... DRAFT BLOWER KIT 1 2272065 6 BLOWER GASKET 1 14631026 7 FLUE CONNECTOR 1 12101021 8 RECOVERY COIL GASKET 1 14631027 9 1 4 20 HEX NUT W SERRATED WASHER BLOCK 4 14695810 10 1 8 NPT 1 4 HOSE ID BRASS BARB FITTING 1 14693804 11 62043 1 2 NPT 1 2 ID TUBE ELBOW 1 14631103 12 57134 3 4 SNAP GRIP CLAMP 2 14631141 13 59019 ID 1 8 THK VINYL TUBE AS REQUIRED 14631035 14 HOSE 3 LONG 2 3 8 ID X 2 3 4 OD 1 146...

Страница 68: ...68 20 21 22 23 24 10 25 3 19 TYP OF 5 12 5 18 14 TYP OF 5 1 14 TYP OF 4 TYP OF 4 TYP OF 4 13 11 2 26 15 8 TYP OF 8 17 15 2 4 16 9 29 30 28 27 6 28 D Boiler Block and Piping Assembly Repair Parts ...

Страница 69: ... 3 16 RH ALH CAP 2 13 14684012 PLASTIC BAG 12 X 9 2 MIL 1 14 14695805 STUD THREADED 1 4 20 X 1 1 4 9 15 1510001 TEE RDCR 1 1 4 X 3 4 X 1 1 4 2 16 14693058 3 4 SQ HD PLUG 1 17 14693056 1 HEX SOCKET PLUG 8 18 14695801 SCR 1 4 20 X 1 1 2 RH ALH CAP 5 19 14695810 NUT 1 4 20 HWS 5 NOTE 16 THRU 19 INSTALLED IN HEAT EXCHANGER 20 1580006 VENT AIR PURGE Q SERIES 1 21 14693001 BSHG 3 4 X 1 8 BLK 1 22 146930...

Страница 70: ...70 13 14 4 11 10 12 5 26 14 14 25 6 7 8 9 19 19 21 21 19 24 22 2 28 3 21 23 18 4 20 17 28 15 16 19 27 1 To Sight Glass Adapter E Mixer and Air Pressure Switch Assembly Repair Parts ...

Страница 71: ...4631308 17 62064 ID TUBE TEE 1 14631104 18 ID TUBE 4 WAY CONNECTOR 1 14631313 19 3 8 HOSE CLAMP HC 6ST 10 14631143 20 PC250 12VINYL CAP 2 14631151 21 59006 IDx3 8 OD VINYL TUBING AS REQUIRED 14631033 22 1 4 ID 3 8 OD VINYL TUBING RED AS REQUIRED 14631314 23 1 4 ID SILICONE TUBING AS REQUIRED 1552014 24A PPS10111 2680 AIR PRESSURE SWITCH 100 1 14631312 24B PPS10111 2681 AIR PRESSURE SWITCH 75 1 146...

Страница 72: ...P O Box 4729 Utica NY 13504 4729 ...

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