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GAS FIRED, CAST IRON
STEAM BOILERS
INSTALLATION, OPERATION
AND MAINTENANCE MANUAL
MODELS
BS2AAN000075 Series B
BS2AAN000112 Series B
BS2AAN000150 Series B
BS2AAN000187 Series B
BS2AAN000225 Series B
BS2AAN000262 Series B
BS2AAN000299 Series B
CAC/BDP
7310 West Morris St.
Indianapolis, IN. 48231
PN IM-BS2-01
[240009728, Rev. K 05/01/2021]
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Table of Contents
Related Manuals for ECR International B Series
Summary of Contents for ECR International B Series
- Page 1 GAS FIRED, CAST IRON STEAM BOILERS INSTALLATION, OPERATION AND MAINTENANCE MANUAL MODELS BS2AAN000075 Series B BS2AAN000112 Series B BS2AAN000150 Series B BS2AAN000187 Series B BS2AAN000225 Series B BS2AAN000262 Series B BS2AAN000299 Series B CAC/BDP 7310 West Morris St. Indianapolis, IN. 48231 PN IM-BS2-01 [240009728, Rev.
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Page 2: Dimensions
DIMENSIONS Figure 1 - Dimensions *Vent Damper Pressure ASME 26.50" Gauge Relief Pressure Valve Limit 4.75" Control Spill Switch Water Line Transformer 2.5 OD Glass Gauge Low Water 2.5 OD 36.375" Cutoff Probe Low Water Cutoff 29" 24.00" Rollout CG400 Switch 12.25"... -
Page 3: Ratings And Capacity
RATINGS AND CAPACITY Table 1 - Ratings and Capacities †Natural Gas BOILER MODEL No. of Heating Input Net AHRI Net AHRI NUMBER Sec. Fuel Type Capacity AFUE(%) *MBTUH Rating *Mbh Rating Sq. Ft. *MBTUH BS2AAN000075 Natural Gas 82.7 BS2AAP000070 Propane 82.7 BS2AAN000112 Natural Gas... -
Page 4: Table Of Contents
TABLE OF CONTENTS Dimensions ............2 Introduction Ratings and Capacity ......... 3 Boiler is designed for use in closed heating systems where all steam is returned as condensate and make-up water is Table of Contents ..........4 minimal. Boiler is not designed for or intended for use in Important Safety Information ...... -
Page 5: Important Safety Information
IMPORTANT SAFETY INFORMATION Become familiar with symbols identifying potential Become familiar with symbols identifying potential WARNING hazards. hazards. Installing or venting a boiler or any other gas appliance with improper methods or materials could result in death or serious injury due to fire or to asphyxiation from poisonous gases such as carbon This is the safety alert symbol. - Page 6 IMPORTANT SAFETY INFORMATION FOR YOUR SAFETY READ BEFORE OPERATING Water 1st Degree Burn 2nd and 3rd Degree Burn Temperature Exposure Time For Exposure Time For An DANGER Setting An Adult Adult 120° F 1 minute 5 minutes 130° F 5 seconds 30 seconds 140°...
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Page 7: Locating The Boiler
LOCATING THE BOILER Locating the Boiler Select level location as centralized with piping system, and as near chimney as possible. Table 2- Minimum Clearance Dimensions Place crated boiler at selected location. Remove all crate material. Please recycle responsibly. 6" WARNING Rear 6"... -
Page 8: System Piping
SYSTEM PIPING WARNING • Install safety valve with spindle in vertical position. Burn and scald hazard. Safety relief valve could • Do not install shutoff valve between boiler and safety discharge steam or hot water during operation. valve. Install discharge piping per the following instructions. •... - Page 9 SYSTEM PIPING Consider near boiler piping as part of the boiler for proper For pumped return systems, follow the condensate water level control and to produce dry steam. pump or boiler feed pump manufacturer’s instructions for proper installation and hookup. Correct near boiler piping is crucial to proper operation of boiler and heating system.
- Page 10 SYSTEM PIPING Figure 3 - Recommended Near Boiler Piping Using One Supply Tapping [3 & 4 Section Sizes] Steam Mains Pipe Full Size Same as 15" Boiler Tapping Min. (2½") 6" to 10" ASME Safety Valve Reducing Elbow Pointing Down Main Vent Dry Return Main Flue Collar...
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Page 11: Installation - System Piping
INSTALLATION - SYSTEM PIPING Figure 4 - Recommended Near Boiler Piping Using Two Supply Tapping [5 Thru 9 Section Sizes] 28" Min. - Dimension A 1½" Full Port Ball Valve for Bottom Blow Down and Draining Boiler and System (not furnished) Figure 5 - Chilled Water Piping VALVES A &... -
Page 12: Fresh Air For Combustion
FRESH AIR FOR COMBUSTION C. Refer to National Fuel Gas Code for opening WARNING requirements between connected indoor spaces. Air openings to combustion area must not be • All Outdoor Air. Provide permanent opening(s) obstructed. Follow instructions below, to maintain communicating directly or by ducts with outdoors. -
Page 13: Chimney And Vent Pipe Connection
CHIMNEY AND VENT PIPE CONNECTION End of vent pipe must be flush with inside face of WARNING chimney flue. Use sealed-in thimble for chimney Installing or venting a boiler or any other gas connection. appliance with improper methods or materials could Horizontal run should not be longer than 3/4 the result in death or serious injury due to fire or to chimney height (HT). - Page 14 CHIMNEY AND VENT PIPE CONNECTION Place in operation the appliance being inspected. Follow Figure 6 - Typical Masonry Chimney the lighting instructions. Adjust thermostat so appliance Requirements will operate continuously. Test for spillage at the draft hood relief opening after 2 FT (610mm) 5 minutes of main burner operation.
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Page 15: Vent Damper Operation
VENT DAMPER OPERATION WARNING Figure 7 - Horizontal Installation Asphyxiation or burn hazard. Improper operation of Flow vent damper may result in serious injury or death due to fire or to asphyxiation from poisonous gases such as carbon monoxide which is odorless and To Boiler Vent Damper invisible. -
Page 16: Gas Supply Piping
GAS SUPPLY PIPING Propane Installation CAUTION WARNING WHAT TO DO IF YOU SMELL GAS Fire, explosion, asphyxiation hazard. Verify boiler • Do not try to light any appliance. is equipped with propane gas orifices and gas valve • Do not touch any electrical switch; do not use is configured for propane. -
Page 17: Electrical Wiring
ELECTRICAL WIRING Electronic Thermostats WARNING A. Some electronic thermostats may lose their Electrical shock hazard. Turn OFF electrical power memory or shut down. With probe type low water supply at service panel before making electrical cutoff, this may occur each time low water cutoff detects low water condition. -
Page 18: Operating Instructions
OPERATING INSTRUCTIONS For Your Safety Read Before Operating STOP! Read the safety information on this page. WARNING Set the thermostat to lowest setting. Turn off all electric power to the appliance. If you do not follow these instructions This appliance is equipped with an ignition device which exactly, a fire or explosion may result automatically lights the pilot. -
Page 19: Operating Your Boiler
OPERATING YOUR BOILER Thermostat WARNING A. Set thermostat to desired room temperature. Burn Hazard. Never run water into a hot empty B. Set thermostat to lower setting if heat is not boiler. Failure to follow these instructions could required result in death or serious injury. C. -
Page 20: Checking And Adjusting
CHECKING AND ADJUSTING Adjust Pilot Burner Figure 14 - Igniter Pilot flame should surround 3/8” to 1/2” of pilot sensor. See Figure 14 To adjust Flame. Remove screw cover over pilot adjusting screw. See Figure 14. Insert small screwdriver and adjust flame as needed. Turn screw counterclockwise to increase flame, clock- wise to decrease. - Page 21 CHECKING AND ADJUSTING Adjust Steam Pressure Control Boiler Equipped With Optional WF-2U-24 Water Feeder • Steam pressure limit control (pressuretrol) shuts off gas to main burners when steam pressure in E. Continue thermostat call for heat after low water boiler reaches cut-off setpoint (i.e. sum of cut-in and cut off recognizes low water condition.
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Page 22: Start-Up Cleaning
START-UP CLEANING Following final blow-down, allow boiler to cool. WARNING • Add fresh water slowly up to normal water line. Following service procedures must be performed • Start burners. by qualified service agent. Boiler owner shall not • Maintain at least 180°F for 15 minutes to remove attempt these steps. -
Page 23: General Maintenance
GENERAL MAINTENANCE Boiler Water Treatment Other Than Cleaners Low Water Cut-Off In steam systems where system is tight, free from leaks, Low Water Cut-Off interrupts electrical current to burner and all steam is returned to boiler as condensate, amount when water line in boiler drops to low level. of make up water is small. -
Page 24: Service Hints
SERVICE HINTS You may avoid inconvenience and service calls by checking these points before you call for service. CAUTION WHAT TO DO IF YOU SMELL GAS • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. -
Page 25: Electrical Wiring
ELECTRICAL WIRING Figure 16 - Wiring Diagrams For Boilers With CG400 Probe Type Low Water Cut-Off Shown CG400 Terminals PSE802 To CG400 Cross Reference PSE802 CG400 If any of the original wire as supplied with this appliance must be replaced, it must be replaced with type 105°C Thermoplastic wire or its equivalent. - Page 26 ELECTRICAL WIRING Figure 17 - Wiring Diagrams For Boilers With 67D-1 Float Type Low Water Cut-Off If any of the original wire as supplied with this appliance must be replaced, it must be replaced with type 105°C Thermoplastic wire or its equivalent. P/N IM-BS2-01 [PN 240009728, Rev.
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Page 27: Controls And Accessories
CONTROLS AND ACCESSORIES SAFETY VALVE WATER FEEDER (Optional) Safety valve is designed to open automatically if boiler steam Model WF-2U-24 water feeder maybe used with either pressure exceeds pressure rating of valve (15 psig). Should of the low water cutoffs listed. Water feeder maintains it fail to open under this condition, shut down your boiler. -
Page 28: Appendix A - Vent Damper
APPENDIX A - VENT DAMPER A.1 Vent Damper Harness - Molex Plugs • If boiler ignites: Go to section B.2 "Vent Damper Troubleshooting Guide". WARNING NOTE: Prior to replacing the damper, be sure the Do Not negate the action of any existing safety problem is not with wire connections between damper orperational controls. -
Page 29: Appendix A - Vent Damper Troubleshooting
APPENDIX A - VENT DAMPER TROUBLESHOOTING A.2 Vent Damper Troubleshooting Guide WARNING Do Not negate the action of any existing safety orperational controls. Avoidance of these instructions could result in death or serious injury. When servicing controls, all wires must be Note labeled prior to disconnection. - Page 30 APPENDIX A - VENT DAMPER TROUBLESHOOTING For troubleshooting only. Verify damper is in Note open position. Use service switch to keep damper in open position. Place jumper between 2 & 3. If appliance fires, remove jumper and plug receptacle back into damper controller plug.
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Page 31: Repair Parts
REPAIR PARTS JACKET - SECTION AND BASE PARTS THIS IS A REPAIR PARTS LIST - NOT A PACKAGING LIST 3 SECTION 4 SECTION 5 SECTION 6 SECTION 7 SECTION 8 SECTION 9 SECTION Description Part No. Part No. Part No. Part No. - Page 32 REPAIR PARTS NATURAL GAS BURNERS AND MANIFOLD PARTS LIST THIS IS A REPAIR PARTS LIST - NOT A PACKAGING LIST ELECTRONIC INTERMITTENT IGNITION (Shown) 3 SECTION 4 SECTION 5 SECTION 6 SECTION 7 SECTION 8 SECTION 9 SECTION DESCRIPTION PART NO. PART NO.
- Page 33 REPAIR PARTS PROPANE GAS BURNERS AND MANIFOLD PARTS LIST THIS IS A REPAIR PARTS LIST - NOT A PACKAGING LIST ELECTRONIC INTERMITTENT IGNITION (Shown) 550002740 3 SECTION 4 SECTION 5 SECTION 6 SECTION 7 SECTION 8 SECTION 9 SECTION DESCRIPTION PART NO.
- Page 34 REPAIR PARTS BOILER CONTROLS AND PIPING Part Description ¾" Safety Relief Valve 1570001 ¾" Coupling 1150001 ¾" x 6-½" Nipple 14607002 Steam Pressure Gauge Kit 550003355 AT-140D Transformer, 24 Volt 14662305 PA-404A Pressuretrol 14662015 Glass Water Gauge Set (used with PS-802 LWCO) 14622005 Glass Water Gauge Set (used with 67D-1 LWCO) 14622010...
- Page 35 P/N IM-BS2-01 [PN 240009728, Rev. K 05/01/2021]...
- Page 36 CAC/BDP BOILERS 2201 Dwyer Ave. Utica, New York 13501...
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