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Summary of Contents for Blodgett CB24-24E
- Page 1 CB-E SERIES ELECTRIC STEAM BOILER CABINETS INSTALLATION – OPERATION – MAINTENANCE BLODGETT OVEN COMPANY www.blodgett.com 44 Lakeside Avenue, Burlington, Vermont 05401 USA Telephone (800) 331-5842, (802) 860-3700 Fax: (802) 864-0183 S00045 Rev A (5/04)
- Page 2 IMPORTANT NOTES FOR INSTALLATION AND OPERATION It is recommended that this manual be read thoroughly and that all instructions be followed carefully. This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death.
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Page 3: Table Of Contents
TABLE OF CONTENTS DESCRIPTION PAGE 1.0 Service Connections ... 4 2.0 Installation Instructions ... 5 3.0 Operating Instructions ... 8 4.0 CSD-1 Optional Feature ... 10 5.0 Periodic Maintenance ... 11 6.0 Troubleshooting ... 14... -
Page 4: Service Connections
2.0 SERVICE CONNECTIONS DRAIN: 2"IPS piped to open floor drain. No Solid Connection. COLD WATER: 3/8" O.D. tubing at 25-50 PSI(170-345 kPa) HOT WATER: 3/8" O.D. tubing at 25-50 PSI(170-345 kPa) STEAM TAKE-OFF CONNECTION: 3/4"IPS to operate adjacent equipment. Field Wiring Electrical Connection to be as specified on data plate. Water quality is the major factor affecting the performance of your appliance. -
Page 5: Installation Instructions
The electric boiler is designed to ASME Code and approved as a steam heating boiler restricted to operation at pressure not to exceed 15 psi. Boilers are electrically rated as shown on page 4. Boiler may have optional CSD1 controls. - Page 6 LEVELING AND ANCHORING THE CABINET 1. Place appliance in the installation position. 2. Place a carpenter’s level on top of the appliance and turn the adjustable feet to level side-to-side and front-to-back. 3. Mark hole locations on the floor through the anchoring holes provided in the rear flanged adjustable feet.
- Page 7 EXHAUST HOOD An exhaust system should be located directly above the boiler to exhaust steam and heat generated by the boiler. PLUMBING CONNECTIONS (See Page 4) WARNING: Plumbing connections must comply with applicable sanitary, safety, and plumbing codes. Water Supply Connection The incoming cold water supply connection, at the rear of the boiler cabinet, requires 3/8"...
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Page 8: Operating Instructions
3.0 OPERATING INSTRUCTIONS For CSD-1 equipped boilers, see section 4.0 CSD-1 Optional Feature for proper operating instructions. BOILER CONTROLS (Inside Cabinet) Main Power Switch - ON fills the boiler tank and turns the boiler heaters on. You should allow 20 minutes to fill the tank and generate steam. -
Page 9: Csd-1 Optional Feature
4.0 CSD-1 OPTIONAL FEATURE OPERATING, TESTING, SERVICING AND CLEANING INSTRUCTIONS Start-up Procedure 1. Close the manual blowdown valve. 2. Open cabinet door and turn “ON” power switch. The green pilot light will come “ON.” Water will begin to enter the boiler. When enough water has entered the boiler, the (amber) “STANDBY”... - Page 10 SAFETY LOCKOUT CONDITIONS High Temperature Condition A high temperature safety device is installed on the boiler. Should the temperature exceed the limit of this device, the boiler will be shut down and put in a state of lockout. The “TEMPERATURE” pilot light (red), and the “STANDBY” pilot light (amber), will come High Pressure Condition A high pressure safety switch is installed on the boiler.
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Page 11: Periodic Maintenance
5.0 PERIODIC MAINTENANCE Be sure to flush your boiler water level control daily. Failure to follow this procedure can cause the control to malfunction resulting in serious boiler damage. The Boiler Water Level Control installed on your boiler requires periodic maintenance. As boiler water circulates into the float chamber, sand, scale and other sediment may be deposited in the float chamber. - Page 12 PERIODIC MAINTENANCE (Continued) Continue draining water for about fifteen (15) seconds, from control until water is clean. Manually close valve. Recheck gauge glass. If water level has dropped significantly, wait for the boiler to restore water level and pressure and repeat if necessary. 1.
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Page 13: Troubleshooting
6.0 TROUBLESHOOTING At least twice a year have an authorized service person clean and adjust the unit for maximum performance. Water not being supplied to boiler 1. Water supply is “OFF”. 2. Defective water fill solenoid. 3. Water level control clogged or defective, unable to operate fill valve. 4.