Crown Boiler CWI310, CWI172 These Valves Piped in Series to Provide Redundent Shut-off, Key #

Page 46

KEY #

DESCRIPTION

QTY. OR

QUANTITY PER BOILER OR CROWN P.N.

CROWN P.N.

69

103

138

172

207

241

276

310

345

379

41

1" BURNER WITH PILOT BRACKET

150502

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

(Q350 PILOT)

41

1" BURNER WITH PILOT BRACKET

150500

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

(Q327 NAT, Q348 PILOTS)

41

1" BURNER WITH PILOT BRACKET

150503

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

(Q327 LP PILOT)

42

1" BURNER LESS PILOT BRACKET

150501

2 ea.

4 ea.

6 ea.

8 ea.

11 ea.

13 ea.

15 ea.

17 ea.

20 ea.

22 ea.

43

MANIFOLD (1" BURNERS)

1 ea.

700153

700154

700155

700156

700157

700158

700159

700160

700161

700162

44

NAT GAS ORIFICE (#42 DRILL SIZE)

950298

3 ea.

44

NAT GAS ORIFICE (#44 DRILL SIZE)

950300

5 ea.

7 ea.

9 ea.

44

NAT GAS ORIFICE (#47 DRILL SIZE)

950303

12 ea.

14 ea.

16 ea.

18 ea.

21 ea.

44

NAT GAS ORIFICE (#48 DRILL SIZE)

950304

23 ea.

44

LP GAS ORIFICE (#54 DRILL SIZE)

950329

3 ea.

44

LP GAS ORIFICE (#55 DRILL SIZE)

950330

5 ea.

7 ea.

9 ea.

44

LP GAS ORIFICE (#1.25mm DRILL SIZE)

950336

12 ea.

14 ea.

16 ea.

18 ea.

45

GAS VALVE (STND. PILOT, NAT GAS)

3507010

1 ea.

1 ea.

1 ea.

1 ea.

(EXCEPT 40mm BURNERS)

(VR8200C6008)

45

GAS VALVE (STND. PILOT, NAT GAS)

3507350

1 ea.

1 ea.

1 ea.

1 ea.

(40mm BURNERS ONLY)

(VR8200C6032)

45

GAS VALVE (E.I., NAT GAS)

3507020

1 ea.

1 ea.

1 ea.

1 ea.

(VR8204C6000)

45

GAS VALVE (STND. PILOT, NAT GAS)

3507110

1 ea.

1 ea.

1 ea.

(EXCEPT 40mm BURNERS)

(VR8300C4134)

45

GAS VALVE (STND. PILOT, NAT GAS)

3507355

1 ea.

1 ea.

1 ea.

1 ea.

(40mm BURNERS ONLY)

(VR8300C4183)

45

GAS VALVE (E.I., NAT GAS)

3507120

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

(VR8304P4298)

45

GAS VALVE (STND. PILOT, NAT GAS)**

3507300

1 ea.

1 ea.

1 ea.

(V8295A1024)

45

GAS VALVE (STND. PILOT, NAT GAS)**

3507305

1 ea.

1 ea.

1 ea.

(ROBERTSHAW 7000ERHC-S7C)

45

GAS VALVE (E.I., NAT GAS)

3507310

1 ea.

(ROBERTSHAW 7000DERHC)

45

GAS VALVE (STND. PILOT, LP GAS)

3507210

1 ea.

1 ea.

1 ea.

1 ea.

(VR8200C6040)

45

GAS VALVE (E.I. PILOT, LP GAS)

3507220

1 ea.

1 ea.

1 ea.

1 ea.

(VR8204C6018)

45

GAS VALVE (STND. PILOT, LP GAS)

3507230

1 ea.

1 ea.

1 ea.

1 ea.

(VR8300C4548)

45

GAS VALVE (E.I., LP GAS)

3507240

1 ea.

1 ea.

1 ea.

1 ea.

(VR8304P4280)

46

PILOT ASSY. (STND. PILOT, NAT GAS)

3504050

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

(Q350A1644)

46

PILOT ASSY. (STND. PILOT, NAT GAS)

3504005

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

(Q327A1949)

46a

PILOT ASSY. (E.I., NAT GAS)

35-4700

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

(Q348A1275)

46

PILOT ASSY. (STND. PILOT, LP GAS)

35-4020

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

(Q327A1915)

46a

PILOT ASSY. (E.I., LP GAS)

35-4600

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

(Q348A1259)

47

THERMOCOUPLE

1 ea.

35-1040

35-1040

35-1040

35-1040

35-1040

35-1040

3501141

3501142

3501142

3501142

47a

IGNITION CABLE

1 ea.

3501124

3501124

3501124

3501130

3501130

3501130

3501136

3501136

3501136

3501136

48

PILOT TUBING***

1 ea.

90-042

90-042

90-042

90-043

90-043

90-043

900041

900041

900041

49

1/8 SHORT FERRULE (INCLUDED WITH

35-1600

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

GAS VALVE)

(392449)

50

1/8 LONG FERRULE (INCLUDED WITH

35-1650

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

PILOT ASSEMBLY)

(392449-4)

51

CAR12 PILOT ORIFICE (Q350 PILOT,

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

NAT GAS) - INCLUDED WITH PILOT

51

A26 PILOT ORIFICE (Q327 PILOT, NAT

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

GAS) - INCLUDED WITH PILOT ASSY.

51a

KF24 PILOT ORIFICE (Q348 PILOT, NAT

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

GAS) - INCLUDED WITH PILOT ASSY.

51

K14 PILOT ORIFICE (Q327 PILOT, LP

1 ea.

1 ea.

1 ea.

GAS) - INCLUDED WITH PILOT ASSY.

51a

K16 PILOT ORIFICE (Q348 PILOT LP

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

GAS) - INCLUDED WITH PILOT ASSY.

60

40mm BURNER WITH PILOT BRACKET

150540

1 ea.

1 ea.

1 ea.

1 ea.

(Q350 PILOTS)

60

40mm BURNER WITH PILOT BRACKET

150542

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

1 ea.

(Q327, Q348 PILOTS)

61

40mm BURNER LESS PILOT BRACKET

150541

1 ea.

2 ea.

3 ea.

4 ea.

5 ea.

6 ea.

7 ea.

8 ea.

62

MANIFOLD (40mm BURNERS)

1 ea.

701253

701254

701255

701256

701257

701258

701259

701260

63

MAIN BURNER ORIFICE-CONSULT

CROWN REPRESENTATIVE FOR

2 ea.

3 ea.

4 ea.

5 ea.

6 ea.

7 ea.

8 ea.

9 ea.

CORRECT SIZE

**These Valves Piped in Series to Provide Redundent Shut-off

***1/4 Pilot Tubing Used with Robertshaw Valves

46

45

Image 46

Contents Models Gas-Fired Natural Draft Water Boilers INSTALLATION INSTRUCTIONSCWI Series These instructions must be affixed on or adjacent to the boilerTable of Contents I Product DescriptionFIGURE 1 CWI BOILERS - GENERALCONFIGURATION II SpecificationsTABLE 1 CWI SPECIFICATIONS III Before Installing IV Locating the BoilerV 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 FIGURE8 CWI BOILERTYPICALVENTSYSTEM INSTALLATION AND COMPONENTS FIGURE 9 VENT DAMPER INSTALLATION DETAILSVII Gas Piping StandardPiping VIII System PipingDANGER 1413 Piping for Special SituationsFIGURE 11 STANDARD BOILER PIPING FIGURE 12 INDIRECT WATER HEATER BOILERSIDEPIPINGFIGURE13 BOILERBYPASSPIPING FIGURE14 ISOLATIONOFBOILERFROMSYSTEMWITHAHEATEXCHANGER FIGURE15 BOILERPIPINGWITHCHILLERIX TANKLESS HEATER PIPING Feel water before showering or bathing A mixing valve does not eliminate the risk of scaldingFIGURE 17TANKLESSHEATERPIPING IX Wiring SingleZoneWiringFIGURE 20 WIRING DIAGRAM, STANDING PILOT WITH TANKLESS HEATER Wiring Variations FIGURE23ZONEWIRINGUSINGHONEYWELLV8043FZONEVALVES FIGURE 22 CIRCULATOR ZONEWIRING USING HONEYWELLR845AsFACTORY BOILER WIRING NOT SHOWN - SEE FIGURES 18 FACTORYWIRING NOT SHOWN - SEE FIGURES 18Sequence 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, 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 TO TURN OFF GAS TO APPLIANCE FOR YOUR SAFETY READ BEFORE OPERATINGLIGHTING INSTRUCTIONS LIGHTING INSTRUCTIONS FOR BOILERS EQUIPPED WITH HONEYWELLLIGHTING INSTRUCTIONS FOR BOILERS EQUIPPED WITH ROBERTSHAW FOR YOUR SAFETY READ BEFORE LIGHTING7000ERHC SERIES GAS VALVES STANDING PILOT TO TURN OFF GAS TO APPLIANCE FOR YOUR SAFETY READ BEFORE LIGHTINGOPERATING INSTRUCTIONS 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 ?T&TV? C1&C2?C2 and Standing Pilot Ignition System Troubleshooting Chart Caution Read page 36 before attempting to use this 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 B. BaseAssembly Preparation Appendix A Knockdown Boiler Assembly InstructionsA. Before Installing 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 3633 I. Street P.O. BoxPhiladelphia