Crown Boiler Troubleshooting Manual for Efficient Operation
Page 74

COMMON CONTROLS & TRIM

 

 

PART#

 

 

 

PART # OR QTY

 

 

 

KEY

DESCRIPTION

OR

 

 

 

 

 

 

 

 

CWD060

CWD083

CWD110

CWD138

CWD165

CWD193

CWD220

CWD245

 

 

QTY

*

1/8” SILICONE TUBING

14-008

2.5 FT

2.5 FT

2.5 FT

2.5 FT

2.5 FT

2.5 FT

2.5 FT

2.5 FT

100

HONEYWELL L4080D LIMIT

35-3300

1

1

1

1

1

1

1

1

101

TRIDICATOR GAUGE

95-069

1

1

1

1

1

1

1

1

102

UT IGNITION MODULE 1003-626A

3503062

1

1

1

1

1

1

1

1

103

MODULE BRACKET

905000

0

0

0

0

1

1

1

1

*

INTERMITTENT IGNITION HARNESS

9601100

1

1

1

1

1

1

1

1

104

4X4 JUNCTION BOX

96-055

1

1

1

1

1

1

1

1

105

SEA LEVEL PRESSURE SWITCH (ALL

620009

1

1

1

1

1

1

1

1

SIZES)

 

 

 

 

 

 

 

 

 

 

105

PRESSURE SWITCH (AS NEEDED ABOVE

620010

 

 

 

 

 

 

 

 

5200FT)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

106

#8 X1/2 SHEETMETAL SCREWS

900130

2

2

2

2

2

2

2

2

111

1 1/2 X 1 1/4 BLACK 90 DEGREE ELBOW

950200

1

1

1

1

1

1

1

1

112

ISOLATION FLANGE SET

95-061

1

1

1

1

1

1

1

1

113

TACO 007 CIRCULATOR

95-012

1

1

1

1

1

1

1

1

114

3/4” X 5” NIPPLE

95-044

1

1

1

1

1

1

1

1

115

3/4” 90 DEGREE ELBOW

95-057

1

1

1

1

1

1

1

1

116

3/4” CLOSE NIPPLE

95-105

1

1

1

1

1

1

1

1

117

3/4” ASME RELIEF VALVE

95-040

1

1

1

1

1

1

1

1

118

3/4” X 4 1/2” NIPPLE

95-102

1

1

1

1

1

1

1

1

119

3/4” COUPLING

95-056

1

1

1

1

1

1

1

1

120

3/4” BOILER DRAIN

95-041

1

1

1

1

1

1

1

1

*

CWD FAN EXTENSION HARNESS

9601630

0

0

0

0

0

0

1

1

CONTROLS UNIQUE TO CB502 CONTROL SYSTEM

 

 

PART#

 

 

 

PART # OR QTY

 

 

 

KEY

DESCRIPTION

OR

 

 

 

 

 

 

 

 

CWD060

CWD083

CWD110

CWD138

CWD165

CWD193

CWD220

CWD245

 

 

QTY

107

CB502A RELAY BOARD

42-502A

1

1

1

1

1

1

1

1

108

REPLACEMENT RELAY FOR CB502A

42-503

3

3

3

3

3

3

3

3

109

RESET PLUG FOR CB502A

42-504

1

1

1

1

1

1

1

1

*

HIGH VOLTAGE HARNESS

1

96-1005

96-1005

96-1005

96-1005

96-1006

96-1006

96-1006

96-1006

*

CWD/CB502 TRANSFORMER HARNESS

1

9601620

9601620

9601620

9601620

9601625

9601625

9601625

9601625

*

CWD LOW VOLTAGE HARNESS

1

9601635

9601635

9601635

9601635

9601635

9601635

9601635

9601635

110

TRANSFORMER-AT72D1006

35-2100

1

1

1

1

1

1

1

1

CONTROLS UNIQUE TO R8285 CONTROL SYSTEM

 

 

PART#

 

 

 

PART # OR QTY

 

 

 

KEY

DESCRIPTION

OR

 

 

 

 

 

 

 

 

CWD060

CWD083

CWD110

CWD138

CWD165

CWD193

CWD220

CWD245

 

 

QTY

*

CWD/R8285 HARNESS #1

1

9601600

9601600

9601600

9601600

9601605

9601605

9601605

9601605

*

CWD/R8285 HARNESS #2

1

9601610

9601610

9601610

9601610

9601615

9601615

9601615

9601615

*

BWF HARNESS #4

1

9601120

9601120

9601120

9601120

9601120

9601120

9601120

9601120

121

R8285D5001 FAN CENTER

3505555

1

1

1

1

1

1

1

1

122

R8222U1006 RELAY

3505556

1

1

1

1

1

1

1

1

123

R8222 MOUNTING PLATE

620102

1

1

1

1

1

1

1

1

* NOT PICTURED

72

Page 73 Page 75
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Page 73 Page 75
Contents CWD Series Table of Contents Product Description II SpecificationsIII Before Installing IV Locating the BoilerClearances When Combustion AIR is Obtained from Boiler Room Air for Combustion and Ventilation Clearances from Vent Piping to Combustible ConstructionPage If Indoor Combustion Air is Used, Provide Air as Follows ALL AIR from Outside Using Ventilated Crawl Space and Attic ALL AIR from Outside Using Openings Into Boiler Room VI Venting Vent System DesignSummary of Horizontal Venting Options Page Horizontal Direct Exhaust Vent System Vent Options 4,5 Page Summary of Vertical Venting Options Vertical NON-COAXIAL Direct Vent System Vent Options 6 Summary of Vertical Coaxial Venting Options Page Permissible Vent Systems and Principle Vent Components AIR Intake Fitting Removing an Existing Boiler From a Common ChimneyVent Fitting Horizontal Terminal Offsets Positioning Vent Terminal Under Overhangs Vent / Intake System Assembly USE of Condensate TrapsFAN Outlet Orifice Crown Coaxial Terminal Exploded View CORR/GUARD Connection to Vent Collar Vent III Connection to Vent Collar SAF-T Vent Ezseal Connection to Vent Collar Fasnseal Connection to Vent Collar FSA-SWDW3 Page Condensate TRAP/DRAIN Detail VII Gas Piping GAS Connection to BoilerViii System Piping Standard PipingPiping for Special Situations Basic Piping Bypass Piping Chiller Piping IX Wiring CB502 System Single Zone WiringCB502 Control System Single Zone Field Wiring CB502 System Wiring Variations CB502 Control System Sequence of OperationCB502 Control System Field Wiring for TWO Circulator Zones CB502 Control System Internal Ladder Diagram CB502 Control System Internal Connection Diagram R8285 Control System Sequence of Operation R8285 Control System Single Zone WiringR8285 Control System Wiring Variations R8285 Control System Single Zone Field Wiring R8285 Control System Zone Valve Field Wiring R8285 Control System Internal Connection Diagram Start-up and Checkout For Your Safety Read Before Operating Pilot Burner Flame GAS Valve XI Service and Maintenance Heat Exchanger Cleaning Procedure Service Notes Pressure Switch Settings Measuring Pressure Across Pressure Switch XII Troubleshooting PWR DHW Limit 24V GND on ign. module? Thermostat calls for heat Circulator Pilot Main Start Xiii Parts BLOCK, BASE, Flue Collector Components Page Burner Tray Components Page Jacket Components Page Common Controls & Trim Page Page Page Crown

CWD193, CWD165, CWD245, CWD220, CWD110 specifications

Crown Boiler Company is well-known for its commitment to quality and performance in the heating industry. Among its extensive range of products, the Crown Boiler CWD series stands out for its reliability and efficiency. This series includes models CWD060, CWD083, CWD110, CWD138, and CWD220, each designed to meet diverse heating needs in residential and commercial applications.

One of the main features of the CWD series is its durable construction. Made with high-quality materials, these boilers are built to withstand the test of time. The cast iron heat exchanger delivers exceptional heat retention and efficiency, ensuring optimal performance even in demanding conditions. Additionally, the CWD models are equipped with a reliable standing pilot ignition system, which enhances user safety and operational reliability.

Another important characteristic of the Crown CWD series is its versatility in fuel options. These boilers can operate on either natural gas or propane, providing flexibility to homeowners and businesses depending on their preferred energy source. The ability to easily switch fuels makes these units adaptable to various heating applications, maximizing convenience for users.

Efficiency is a cornerstone of the Crown Boiler CWD series. With an AFUE rating of up to 85%, these boilers deliver substantial cost savings over the heating season. Their efficient operation not only lowers energy bills but also contributes to a reduced environmental impact, which is increasingly important in today’s energy-conscious world.

Crown’s innovative design features also include a low water cut-off and a built-in draft hood. The low water cut-off ensures safe operation by preventing the boiler from running dry, while the draft hood allows for optimal venting capabilities, minimizing the risk of dangerous flue gas build-up.

Maintenance is straightforward with the CWD series, thanks to its easy-access design. Routine service and inspections can be performed with minimal disruption, ensuring that the units maintain peak performance over their lifespan.

The Crown Boiler CWD060, CWD083, CWD110, CWD138, and CWD220 models exemplify the brand’s dedication to delivering high-quality heating solutions. With their impressive efficiency ratings, durable construction, versatile fuel options, and user-friendly features, these boilers represent a smart investment for anyone looking to enhance heating reliability and comfort in their space.
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