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Summary of Contents for ECR Utica Keystone UH3KWC0.80
- Page 1 OIL-FIRED CAST IRON HOT WATER BOILER INSTALLATION, OPERATION & MAINTENANCE MANUAL Model UH3KWC0.80(T) UH4KWC1.00(T) UH4KWC1.25(T) UH5KWC1.55(T) Manufactured by: ECR International Inc. 2201 Dwyer Avenue, Utica, NY 13501 Tel. 800 325 5479 www.ecrinternational.com PN 240013023 REV. B [12/31/2020]...
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Page 2: Table Of Contents
TABLE OF CONTENTS Contents Introduction KeystoneWater boiler is a natural draft oil fired hot water Boiler Ratings And Capacities ........3 boiler comprised of cast iron sections. Keystone Water Safety Notices .............4 boiler is available with 3, 4, or 5 cast iron sections. These sections are held together by cast iron push nipples. -
Page 3: Boiler Ratings And Capacities
BOILER RATINGS AND CAPACITIES Figure 1 - Dimensions 13 3/4” Boiler Ratings and Capacities OIL-FIRED HOT WATER BOILERS RATINGS & CAPACITIES Dimensions (Inches) Firing Minimum Input Heating AHRI A.F.U.E. BOILER MODEL Rate Chimney **MBH Capacity Rating †† Sections †GPH Size/Height **MBH **MBH UH3KWC0.80(T) -
Page 4: Safety Notices
SAFETY NOTICES Become familiar with symbols identifying potential hazards. FOR YOUR SAFETY READ BEFORE OPERATING This is the safety alert symbol. Symbol alerts you DANGER to potential personal injury hazards. Obey all safety messages following this symbol to avoid possible injury or death. -
Page 5: Safe Installation And Operation
SAFE INSTALLATION AND OPERATION Before servicing, allow boiler to cool. Shut off any WARNING electricity and oil to boiler when working on it. Combustion chamber insulation in this product Inspect oil line and connections for leaks. contains ceramic fiber material. Ceramic fibers can Verify oil burner nozzle is the size required. -
Page 6: Locating The Boiler
LOCATING THE BOILER Complete Prior To Installing Boiler. Place boiler in location centralized with piping system and as close to chimney as possible. A. Verify you have selected the right size boiler with proper capacity. AHRI rating of boiler selected Boiler must be level. -
Page 7: Installation Requirements
INSTALLATION REQUIREMENTS Figure 3 - Boiler With Piping System PN 240013023, Rev. B [12/31/2020]... -
Page 8: Fresh Air For Combustion
FRESH AIR FOR COMBUSTION EXAMPLE 2: Boiler Located in Confined Space WARNING Asphyxiation, fire hazard. Do not obstruct air A. All Air from Inside the Building: Confined space openings to combustion area. Follow instructions shall be provided with two permanent openings below, to maintain adequate combustion air. - Page 9 FRESH AIR FOR COMBUSTION When communicating with outdoors through All Air from Outdoors: Confined space shall horizontal ducts, each opening shall have be provided with two permanent openings, minimum free area of one square inch per 2,000 one commencing within 12 inches of top and Btu per hour of total input rating of all equipment another commencing within 12 inches of bottom in the enclosure.
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Page 10: System Piping
SYSTEM PIPING Installation of boiler for new heating system, Figure 6a - Safety Relief Valve Installation Install all of radiation units (panels, radiators, baseboard, or tubing) and supply and return mains first. After all heating system piping and components have been installed, make final connection of system piping to boiler. - Page 11 SYSTEM PIPING Low Design Water Temperature Systems (Below 140° Figure 7 - Bypass Piping Arrangement Diagram F) And Large Water Content Systems > LOW DESIGN WATER TEMPERATURE Significant condensation may form in this boiler and/ SYSTEMS or venting system if boiler is operated with return temperatures of less than 120°...
- Page 12 SYSTEM PIPING Figure 8 - System Piping Arrangement Zoning With Zone Valves > CIRCULATOR ON SUPPLY PIPING PUMPS AWAY FROM EXPANSION TANK NOTE: CIRCULATOR MAY ALSO BE INSTALLED ON RETURN PIPING. > PIPING ARRANGED FOR “POWER PURGING” AIR OUT OF SYSTEM PIPING, REFER TO THIS MANUAL’S SECTION ON “FILLING THE SYSTEM WITH WATER”...
- Page 13 SYSTEM PIPING Figure 9 - System Piping Arrangement Zoning With Circulators > CIRCULATOR ON SUPPLY PIPING PUMPS AWAY FROM EXPANSION TANK. NOTE: CIRCULATOR CAN ALSO BE INSTALLED ON RETURN PIPING. > PIPING ARRANGED FOR “POWER PURGING” AIR OUT OF SYSTEM PIPING, REFER TO THIS MANUAL’S SECTION ON “FILLING THE SYSTEM WITH WATER”...
- Page 14 SYSTEM PIPING Figure 10 - System Piping Arrangement Alternate Near Boiler Piping > DIAPHRAGM EXPANSION TANK MOUNTED > PER THIS MANUAL, USE OPTION #2 IN “FILLING THE SYSTEM WITH WATER” OFF THE BOILER > THIS PIPING ARRANGEMENT CAN BE USED >...
- Page 15 SYSTEM PIPING Tankless Coil Piping Arrangement DANGER Burner Tank less Boiler Input Scald, Burn Hazard! Temperatures exceeding 120°F Firing Rating Model (MBH) will cause severe burns or death. Use of water Rate (gph) (gpm)‡ tempering device or mixing valve may be required UH3KWC0.80T 0.80 3.05...
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Page 16: Antifreeze In The System
ANTIFREEZE IN THE SYSTEM Antifreeze must be nontoxic, type specifically intended PIPING WATER VOLUMES for use in closed hydronic heating systems. Under no circumstances should automotive antifreeze be used. COPPER PIPE STEEL PIPE PIPE SIZE Antifreeze used in any boiler may reduce capacity by FACTOR FACTOR 10% or more and increase fuel consumption. - Page 17 CHIMNEY AND CHIMNEY CONNECTIONS • Even though locating draft regulator close to chimney WARNING reduces noise, install draft regulator as close as Fire Hazard. Maintain minimum vent pipe clearance of practicable to the boiler. 9” from surface of vent to wood and other combustible •...
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Page 18: Electrical Connections
ELECTRICAL CONNECTIONS WARNING Electrical shock hazard. Turn OFF electrical power supply at service panel before making electrical connections. Failure to do so could result in death or serious injury. THERMOSTAT Install 24 Volt thermostat (not provided) in proper location. Location of thermostat has effect on boiler system operation. Follow instructions included with thermostat. -
Page 19: Electrical Wiring
ELECTRICAL WIRING Figure 13 - Boiler With Hydrolevel 3250 Control PN 240013023, Rev. B [12/31/2020]... -
Page 20: Filling The Boiler
FILLING THE BOILER How A Hot Water System Operates OPTION #2 Entire heating system (boiler, piping, and radiation units) is filled with water. As water in the boiler is heated, it • Close air vents on all radiation units. is circulated from top of boiler through supply main to •... -
Page 21: Operating The Boiler
OPERATING THE BOILER Draft Regulators: Barometric draft regulator is required Start: Fill entire system with water. Vent all air from for controlling draft through boiler. Mount barometric draft system following section for Filling The Boiler. regulator in chimney connector. Refer back to section on “Chimney And Chimney Connections”. -
Page 22: Preliminary Burner Settings
PRELIMINARY BURNER SETTINGS BECKETT AFG INPUT PUMP BURNER INSERTION DELAVAN OIL BURNER HEAD STATIC BOILER MODEL RATE PRESSURE FIRE SHUTTER/ MODEL DEPTH NOZZLE HEAD SETTING PLATE BAFFLE [gph] [psi] BAND UH3KWC0.80(T) AFG50MBAS 0.80 2-1/4" 0.65-70°W 10/1 3-3/8" UH4KWC1.00(T) AFG50MDASN 1.00 2-1/2"... -
Page 23: Checking And Adjusting Controls
CHECKING AND ADJUSTING CONTROLS Adjust Thermostat Heat Anticipator or WARNING Thermostat Cycle Rate According to Instructions Burn, scald hazard. Do not attempt to start the Included With The Thermostat burner when excess oil has accumulated, when the unit is full of vapor, or when the combustion Check Thermostat Operation: chamber is very hot. -
Page 24: Maintenance
MAINTENANCE Diaphragm Expansion Tank : Tank may become WARNING water logged. Frequent automatic opening of safety relief Burn and scald hazard. Do not attempt to start valve indicates water logging. High boiler temperature the burner when excess oil has accumulated, when accompanied by unusually low radiation unit temperature (and “knocking”... -
Page 25: Oil Boiler Cleaning Instructions
OIL BOILER CLEANING INSTRUCTIONS OIL BOILER CLEANING: Figure 16 - Brush Diagonally Through Flue Passages Shut off all electrical power to boiler / burner and shut off fuel oil supply. Remove vent pipe from boiler top. Inspect pipe and chimney for signs of corrosion and deterioration. Clean out base of chimney. -
Page 26: Oil Burner Cleaning
OIL BURNER CLEANING These are general instructions for cleaning an oil burner. For specifics, consult burner manufacturer’s instructions. Verify all electrical power to boiler / burner and fuel supply to burner are shut off. With oil burner removed from fire door, clean any soot accumulations from end of burner and if applicable burner head. -
Page 27: Service Hints
SERVICE HINTS You may avoid inconvenience and service calls by checking these points before you call for service: IF YOUR SYSTEM IS NOT HEATING OR NOT GIVING ENOUGH HEAT . . . POSSIBLE CAUSE WHAT TO DO Thermostat is not set correctly Reset thermostat Check flame. - Page 28 • This boiler is part of a modular or multiple boiler system having a total input of 300,000 BTU/hr or greater. • This boiler is equipped with a tankless coil. 2201 Dwyer Avenue, Utica, NY 13501 All specifications subject to change without notice. Tel. 800 253 7900 ©2020 ECR International, Inc. www.ecrinternational.com BDR THERMEA GROUP...
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