Utica UB90125 Installationshandbuch

P/N 240004826U, Rev. B [08/11]UB90 125-200 GAS-FIRED, DIRECT VENT, CONDENSING, HOT WATER BOILERINSTALLATION, OPERATION & MAINTENANCE MANUALAn

10! CAUTIONCopper supply and return piping must not be installed directly into aluminum boiler section castings due to galvanic corrosion between dis

11NOTE: When zoning with circulators, the furnished circulator pump should be used as one of the zone pumps. Each stripped end of the electrical wires

12Condensate Drain RequirementsCondensate drain line to be pitched down to fl oor drain at minimum of ¼” per foot (21mm/m). External condensate pump (n

13Connections And TerminationNOTICETo prevent damage to gas burner and ensure proper operation of unit, installer must clean and remove all shavings f

14InstallationAttach combustio1. n air intake piping to supplied Fernco 2” coupling on CVI gas valve. Attach vent piping to furnished 2” CPVC vent te

15Check Gas SupplyGas pipe to your boiler must be correct size for length of run and for total BTU per hour input of all gas utilization equipment con

16! WARNINGTurn off electrical power at fuse box before making any line voltage connections. Follow local electrical codes.All electrical work must c

17AVOID THE FOLLOWINGDead Spots CornersAlcovesBehind doorsCold SpotsConcealed pipes or ductsStairwells - draftsUnheated rooms on the other side of the

1823GW32Y1BK1BKGW(PS-122)LWCOYWGYBKON/OFF SWITCHNEUTRAL (L2)HOT (L1)GROUNDW24V THERMOSTAT60 HZ, 1 Ø120 VACRPUMPCIRCULATORCOMMONWVAC12024 VACYEAEF03801

19LWCO(PS-122)HIGH LIMITFLAMEP3-4THERMOSTATP3-7RWP3-91013-10 CONTROLP1-2CONTROLAQUASTATP3-3P3-6P3-1(MANUAL RESET)SAFETY SWITCH CASTING TEMPERATURE+ 0.

2H90 125200 CAST ALUMINUM BOILERSAFETY SYMBOLS! DANGERIndicates a hazardous situation which, if not avoided, will result in death, serious injury.!

20This section provides a brief description of the key controls and accessories found in this boiler.See, “Troubleshooting,” page 33 in this installat

21Differential Pressure SwitchesThe diaphragm type differential pressure switches are connected by vinyl tubing to the gas valve and the air inlet con

22Water Treatment And Freeze ProtectionConsult local water treatment specialist for 1. recommendations if your water pH levels are below of 7.0 or har

23Open the zone service valve on the supply pipe for the 2. fi rst zone. Open the purge valve on the fi rst zone. Feed water will fi ll the zone, pushing

24STARTUPNOTICEIf burner appears to pulsate during ignition: Turn off boiler power and shut off gas supply to the boiler.1. Take the burner assembly

25Verify Proper Sequence Of OperationThe sequence can be followed via the diagnostic indicator lamps on the Integrated Boiler Control in Figure #16 (

26Inspect Venting & Air Intake SystemOperate the boiler and verify that all vent/air intake connections are gas-tight and water-tight. Repair any

27Set Thermostat To Desired TemperatureSet thermostat to desired room temperature and observe several complete cycles to verify proper operation.Final

28NOTICEMaintenance as outlined below can be performed by the owner unless otherwise noted.The acidic nature of fl ue gasses condensing on the aluminum

29Annual Shut Down Procedure (End Of Each Heating Season)Follow the instructions in “To Turn Off Gas To 1. Appliance” page 23 of this manual.If heati

3NOTICERead and understand the following instructions completely before installing.IntroductionThis appliance is a gas-fi red direct vent cast aluminum

30SERVICE HINTSDETAILED SEQUENCE OF OPERATION

31DRAFT INDUCER TEMPERATURE SAFETY SWITCHif dra inducer temperature reaches temperature safety switch set-point, safety switch contacts open immedia

32End Of Normal Sequence Of OperationThermostat ends call for heat.Gas valve and circulator pump are de-energized, valve and fl ame lights go out.Blowe

33IMPORTANT Initial Service ChecksBefore Troubleshooting:1. Make sure that the circuit breaker is on or fuse is A. OK at the electrical panel.Make sur

34System StatusThe indicator lights track the operating sequence. If the system locks out, the lights indicate the point in the sequence of operation

35

36Troubleshooting Chart 2  !"

37Troubleshooting Chart 3CHECK FOR VAC BETWEEN TERMINALS 1 AND 3 AT CONNECTOR CN4 ON IBCNO NOBLOWER STARTS REPLACE IBCCHART 1OPENPURGE LIGHT ON?NOYESI

38Troubleshooting Chart 4IGNITER/SENSOR WARMSUP AND GLOWS YELLOW/ORANGEDURING 20 SECOND WARM UPCHART 3YESNOCHECK FOR 120 VAC BETWEEN TERMINALS 1 AND 2

39! $$*)%&#% $$ ($%# $'' # #$$#$$'%&#'&ap

4TABLE #1 - SEA LEVEL RATINGS (NATURAL AND PROPANE GASES)ModelInput (MBH)(1)Heating Capacity(MBH)(1)(2)Net I=B=R Rating (MBH)(1)Shipping Weight (lbs.)

40Troubleshooting Chart 6RUNS FOR 25-50 SECONDS, THEN TURNS OFF.CHECK FIRING RATE OF UNIT.IS UNIT FIRING AT THE CORRECT RATE?NODOES THE UNIT USE LP GA

41The differential air pressure switch is safety device which will prevent boiler from fi ring if there is air intake, boiler heat exchanger or vent bl

42This Page Intentionally Left Blank

43INSTALLATION AND CHECK-OUT CERTIFICATEBoiler Model ___________ Serial # _____________ Date Installed___________Measured BTU/HR input ____________

UTICA BOILERS2201 Dwyer Avenue Utica NY 13501web site: www.ecrinternational.com

5TABLE #3 - LP GASNominal Input200,000175,000 150,000 125,000Vent Lengths Vent Lengths Vent Lengths Vent LengthsAltitude Min. Max Min. Max Min. Max Mi

6In the State of Massachusetts:This product must be installed by a licensed plumber • or gas fi tter.When fl exible connectors are used, the maximum • l

7OVERHANG12" MINIMUM90°VENT12" SEPARATIONBETWEEN BOTTOM OFCOMBUSTION AIR INTAKEAND BOTTOM OF VENTMAINTAIN 12" MINIMUM CLEARANCE ABOVE H

83” Diameter PVCVent/Exhaust1½”4½” Dia.31⅞”AABBCCDEFGG3” Diameter PVCIntake/Combustion Air46¾”Dimension1³⁄16”DEFDimensionCombustion Air/Vent Pipe Requ

9Foundation RequirementsBoiler must be placed on level surface. Boiler is NOT to be installed on carpeting. NOTICEIf boiler is not level condensate dr