Crown Boiler CWI207, CWI172, CWI345 For Your Safety Read Before Lighting, Lighting Instructions

Page 31
LIGHTING INSTRUCTIONS FOR BOILERS EQUIPPED WITH ROBERTSHAW

LIGHTING INSTRUCTIONS FOR BOILERS EQUIPPED WITH ROBERTSHAW

7000ERHC SERIES GAS VALVES (STANDING PILOT)

7000ERHC SERIES GAS VALVES (STANDING PILOT) 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 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. Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.

 FOR YOUR SAFETY READ BEFORE LIGHTING 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.

LIGHTING 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.Remove front access panel.

5.Rotate the gas control knob clockwise Manual background to OFF.

POSITION

INDICATOR

PILOT

GAS

OFF ON

 

INLET

GAS CONTROL KNOB

SHOWN IN "OFF" POSITION

6.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.

7.Find pilot - follow metal pilot

tube from gas control to

 

 

pilot burner.

PILOT

THERMO-

 

BURNER

COUPLE

8.Turn Knob on gas control counterclockwise Manual background to “PILOT”.

9.Push down and hold the Knob while you light pilot burner with a match.

After about one minute, release reset button. Pilot should remain lit. If it goes out, turn gas

control knob clockwise Manual background to OFF. To relight, repeat steps 5-9.

Manual background If button does not pop up when released, stop and immediately call your service technician or gas supplier.

Manual background If the pilot will not stay lit after several tries, turn the gas control knob to “OFF” and call your service technician or gas supplier.

10.After pilot remains lit when red reset button is released, turn gas control knob counterclockwise Manual background to ON.

11.Replace front access panel.

12.Turn on all electric power to the appliance.

13.Set thermostat to desired setting.

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.

31

30

Image 31
Contents These instructions must be affixed on or adjacent to the boiler Gas-Fired Natural Draft Water Boilers INSTALLATION INSTRUCTIONSCWI Series ModelsI Product Description Table of ContentsFIGURE 1 CWI BOILERS - GENERALCONFIGURATION II SpecificationsTABLE 1 CWI SPECIFICATIONS IV Locating the Boiler III Before InstallingV Air for Combustion and Ventilation ForBuildingsofUnusuallyTightConstruction For Buildings of Other than Unusually Tight ConstructionExample FIGURE 4 ALL AIR FROM OUTDOORS, VENTILATED CRAWL SPACE AND ATTIC FIGURE3BOILERINSTALLEDINCONFINEDSPACE, ALL AIR FROM INSIDEFIGURE 5 ALL AIR FROM OUTDOORS VIA VENTILATED ATTIC FIGURE 6 ALL AIR FROM OUTDOORS, USING OPENINGS INTO BOILER ROOM VI Venting Removing an Existing Boiler from a Common Chimney FIGURE 9 VENT DAMPER INSTALLATION DETAILS FIGURE8 CWI BOILERTYPICALVENTSYSTEM INSTALLATION AND COMPONENTSVII Gas Piping StandardPiping VIII System PipingDANGER Piping for Special Situations 1413BOILERSIDEPIPING FIGURE 11 STANDARD BOILER PIPING FIGURE 12 INDIRECT WATER HEATERFIGURE13 BOILERBYPASSPIPING FIGURE15 BOILERPIPINGWITHCHILLER FIGURE14 ISOLATIONOFBOILERFROMSYSTEMWITHAHEATEXCHANGERIX TANKLESS HEATER PIPING Feel water before showering or bathing A mixing valve does not eliminate the risk of scaldingFIGURE 17TANKLESSHEATERPIPING SingleZoneWiring IX WiringFIGURE 20 WIRING DIAGRAM, STANDING PILOT WITH TANKLESS HEATER Wiring Variations FACTORYWIRING NOT SHOWN - SEE FIGURES 18 FIGURE 22 CIRCULATOR ZONEWIRING USING HONEYWELLR845AsFACTORY BOILER WIRING NOT SHOWN - SEE FIGURES 18 FIGURE23ZONEWIRINGUSINGHONEYWELLV8043FZONEVALVESSequence of Operation, Standing Pilot, Less Tankless Heater CWI Control System - Sequence of OperationSequence of Operation, Standing Pilot, With Tankless Heater Sequence of Operation, Intermittent Ignition, With Tankless Heater Sequence of Operation, Intermittent Ignition, Less Tankless HeaterSafety Control Operation - Standing Pilot and Intermittent Ignition XI Start-up and CheckoutFIGURE 24 STANDING PILOT BURNER FLAME 2726Page Page LIGHTING INSTRUCTIONS FOR BOILERS EQUIPPED WITH HONEYWELL FOR YOUR SAFETY READ BEFORE OPERATINGLIGHTING INSTRUCTIONS TO TURN OFF GAS TO APPLIANCELIGHTING INSTRUCTIONS FOR BOILERS EQUIPPED WITH ROBERTSHAW FOR YOUR SAFETY READ BEFORE LIGHTING7000ERHC SERIES GAS VALVES STANDING PILOT VR8204 AND VR8304 SERIES GAS VALVES INTERMITTENT PILOT FOR YOUR SAFETY READ BEFORE LIGHTINGOPERATING INSTRUCTIONS TO TURN OFF GAS TO APPLIANCE7000DERHC SERIES GAS VALVES INTERMITTENT PILOT FIGURE 28b GASVALVEDETAIL-ROBERTSHAW 7000DERHC INTERMITTENT IGNITION FIGURE 27a GASVALVEDETAIL-HONEYWELLVR8200ORVR8300STANDINGPILOTXI Service and Maintenance Heat Exchanger Cleaning Procedure XIII Troubleshooting C1&C2? STARTNational Fuel Gas Code 5&6 onL2 ? STARTT&TV? C1&C2?C2 and Caution Read page 36 before attempting to use this chart Standing Pilot Ignition System Troubleshooting ChartIntermittent Ignition System Troubleshooting Chart XIV PARTS Page 1/4 Pilot Tubing Used with Robertshaw Valves These Valves Piped in Series to Provide Redundent Shut-off40mm BURNERS ONLY Page KEY # Page C. Heat Exchanger and Flue Collector Installation Appendix A Knockdown Boiler Assembly InstructionsA. Before Installing B. BaseAssembly PreparationFIGUREA1 BASE, HEAT EXCHANGER, FLUE COLLECTORASSEMBLY E. Control and Trim Installation D. Gas Valve InstallationFIGURE A2 JACKET INSTALLATION G. Complete Installation F. Electrical Wiring ConnectionsFIGURE A3 TAPPING LOCATIONS SEE TEXT FOR TAPPING USES 3633 I. Street P.O. BoxPhiladelphia