Crown Boiler CWI138, CWI172, CWI345 For Your Safety Read Before Lighting, Operating Instructions

Page 32
VR8204 AND VR8304 SERIES GAS VALVES (INTERMITTENT PILOT)

LIGHTING INSTRUCTIONS FOR BOILERS EQUIPPED WITH HONEYWELL

VR8204 AND VR8304 SERIES GAS VALVES (INTERMITTENT PILOT)

FOR YOUR SAFETY READ BEFORE LIGHTING FOR YOUR SAFETY READ BEFORE LIGHTING

WARNING: If you do not follow these instructions exactly, a fire or explosion

may result causing property damage, personal injury or loss of life.

A.This appliance is equipped with an ignition device which automatically lights the pilot. Do not try to light the pilot by hand.

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. Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.

OPERATING INSTRUCTIONS If 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 service technician. Force or attempted repair may result in a fire or explosion.

D.Do not use this appliance if any part has been under water. 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 under water.

OPERATING INSTRUCTIONS

1.STOP! Read the safety information above on this label.

2.Set the thermostat to lowest setting.

3.Turn off all electric power to the appliance.

4.This appliance is equipped with an ignition device which automatically lights the pilot. Do not try to light the pilot by hand.

GAS CONTROL KNOB (SHOWN IN “ON” POSITION)

5.Remove front access panel.

6.Rotate the gas control knob clockwise TO TURN OFF GAS TO APPLIANCE to OFF.

7.Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you then smell gas, STOP! Follow “B” in the safety inform- ation above on this label. If you don’t smell gas go to the next step.

8.Rotate the gas control knob counter clockwise

Manual background to “ON”.

GAS OUTLET

GAS INLET

9.

Replace front access panel.

10.

Turn on all electric power to the appliance.

11. Set thermostat to desired setting.

12.

If the appliance will not operate, follow the

 

instructions “To Turn Off Gas To Appliance” and

 

call your service technician or gas supplier.

GAS VALVE - TOP VIEW

TO TURN OFF GAS TO APPLIANCE

1.Set the thermostat to lowest setting.

2.Turn off all electric power to the appliance if service is to be performed.

3.Push in gas control knob slightly and turn

clockwise Manual background to “OFF”. Do not Force.

146-80-255 Rev. 0

(Electronic Ignition)

32

31

Image 32
Contents Gas-Fired Natural Draft Water Boilers INSTALLATION INSTRUCTIONS CWI SeriesModels These instructions must be affixed on or adjacent to the boilerTable of Contents I Product DescriptionTABLE 1 CWI SPECIFICATIONS II SpecificationsFIGURE 1 CWI BOILERS - GENERALCONFIGURATION III Before Installing IV Locating the BoilerV Air for Combustion and Ventilation Example For Buildings of Other than Unusually Tight ConstructionForBuildingsofUnusuallyTightConstruction FIGURE 5 ALL AIR FROM OUTDOORS VIA VENTILATED ATTIC FIGURE3BOILERINSTALLEDINCONFINEDSPACE, ALL AIR FROM INSIDEFIGURE 4 ALL AIR FROM OUTDOORS, VENTILATED CRAWL SPACE AND ATTIC FIGURE 6 ALL AIR FROM OUTDOORS, USING OPENINGS INTO BOILER ROOM VI Venting Removing an Existing Boiler from a Common Chimney FIGURE8 CWI BOILERTYPICALVENTSYSTEM INSTALLATION AND COMPONENTS FIGURE 9 VENT DAMPER INSTALLATION DETAILSVII Gas Piping DANGER VIII System PipingStandardPiping 1413 Piping for Special SituationsFIGURE 11 STANDARD BOILER PIPING FIGURE 12 INDIRECT WATER HEATER BOILERSIDEPIPINGFIGURE13 BOILERBYPASSPIPING FIGURE14 ISOLATIONOFBOILERFROMSYSTEMWITHAHEATEXCHANGER FIGURE15 BOILERPIPINGWITHCHILLERIX TANKLESS HEATER PIPING FIGURE 17TANKLESSHEATERPIPING A mixing valve does not eliminate the risk of scaldingFeel water before showering or bathing IX Wiring SingleZoneWiringFIGURE 20 WIRING DIAGRAM, STANDING PILOT WITH TANKLESS HEATER Wiring Variations FIGURE 22 CIRCULATOR ZONEWIRING USING HONEYWELLR845As FACTORY BOILER WIRING NOT SHOWN - SEE FIGURES 18FIGURE23ZONEWIRINGUSINGHONEYWELLV8043FZONEVALVES FACTORYWIRING NOT SHOWN - SEE FIGURES 18Sequence of Operation, Standing Pilot, With Tankless Heater CWI Control System - Sequence of OperationSequence of Operation, Standing Pilot, Less Tankless Heater Sequence of Operation, Intermittent Ignition, Less Tankless Heater Sequence of Operation, Intermittent Ignition, With Tankless HeaterXI Start-up and Checkout Safety Control Operation - Standing Pilot and Intermittent Ignition2726 FIGURE 24 STANDING PILOT BURNER FLAMEPage Page FOR YOUR SAFETY READ BEFORE OPERATING LIGHTING INSTRUCTIONSTO TURN OFF GAS TO APPLIANCE LIGHTING INSTRUCTIONS FOR BOILERS EQUIPPED WITH HONEYWELL7000ERHC SERIES GAS VALVES STANDING PILOT FOR YOUR SAFETY READ BEFORE LIGHTINGLIGHTING INSTRUCTIONS FOR BOILERS EQUIPPED WITH ROBERTSHAW FOR YOUR SAFETY READ BEFORE LIGHTING OPERATING INSTRUCTIONSTO TURN OFF GAS TO APPLIANCE VR8204 AND VR8304 SERIES GAS VALVES INTERMITTENT PILOT7000DERHC SERIES GAS VALVES INTERMITTENT PILOT FIGURE 27a GASVALVEDETAIL-HONEYWELLVR8200ORVR8300STANDINGPILOT FIGURE 28b GASVALVEDETAIL-ROBERTSHAW 7000DERHC INTERMITTENT IGNITIONXI Service and Maintenance Heat Exchanger Cleaning Procedure XIII Troubleshooting START C1&C2?5&6 on National Fuel Gas CodeSTART L2 ?C2 and C1&C2?T&TV? Standing Pilot Ignition System Troubleshooting Chart Caution Read page 36 before attempting to use this chartIntermittent Ignition System Troubleshooting Chart XIV PARTS Page 40mm BURNERS ONLY These Valves Piped in Series to Provide Redundent Shut-off1/4 Pilot Tubing Used with Robertshaw Valves Page KEY # Page Appendix A Knockdown Boiler Assembly Instructions A. Before InstallingB. BaseAssembly Preparation C. Heat Exchanger and Flue Collector InstallationFIGUREA1 BASE, HEAT EXCHANGER, FLUE COLLECTORASSEMBLY D. Gas Valve Installation E. Control and Trim InstallationFIGURE A2 JACKET INSTALLATION F. Electrical Wiring Connections G. Complete InstallationFIGURE A3 TAPPING LOCATIONS SEE TEXT FOR TAPPING USES Philadelphia P.O. Box3633 I. Street