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Kenmore XEB II Series Owner's Manual

Kenmore XEB II Series Owner's Manual

Gas-fired hot water induced draft boilers

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Owner's Manual
Model No.
XEB-2
XEB-3
XEB-4
XEB-5
XEB-6
XEB-7
CAUTION
Read all instructions
carefully before starting
the installation.
Save this manual
for reference.
These instructions
must be affixed on or
adjacent to the boiler.
INSTALLATION • OPERATION • REPAIR PARTS
GAS-FIRED HOT WATER
INDUCED DRAFT BOILERS
WARNING Improper installation, adjustment, alteration, service,
or maintenance can cause injury or property damage. Refer
to this manual. For assistance or additional information consult a
qualified installer, service agency, or the gas supplier.
Sears, Roebuck and Co.,
Hoffman Estates, IL 60179 U.S.A.
XEB Series II
P/N# 240009517 Rev. B [10/2014]

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Summary of Contents for Kenmore XEB II Series

  • Page 1 INSTALLATION • OPERATION • REPAIR PARTS Owner’s Manual Model No. XEB-2 XEB-3 XEB-4 XEB-5 XEB-6 XEB-7 CAUTION Read all instructions carefully before starting XEB Series II the installation. GAS-FIRED HOT WATER Save this manual INDUCED DRAFT BOILERS for reference. WARNING Improper installation, adjustment, alteration, service, or maintenance can cause injury or property damage.
  • Page 2 Owner’s Manual Models XEB-2 XEB-3 XEB-4 XEB-5 XEB-6 XEB-7...
  • Page 3: Table Of Contents

    TABLE OF CONTENTS Boiler Ratings & Capacities....3 KEEP THIS MANUAL NEAR BOILER RETAIN FOR FUTURE REFERENCE Dimensions ........... 4 Safety Symbols & Warnings Installation Procedure ......5 The following defined symbols are used throughout this Ventilation & Combustion Air ....6 manual to notify the reader of potential hazards of varying risk levels.
  • Page 4: Boiler Ratings & Capacities

    BOILER RATINGS & CAPACITIES Table 1 - RATINGS NATURAL AND PROPANE GASES Vent Diameter (Inches) **Net Heating Model AFUE Input Capacity AHRI Rating Water To Chimney Horizontal Vent *Mbh *Mbh *Mbh (Category I) (Category III) XEB-2 42.5 84.4 XEB-3 75.0 83.4 XEB-4 112.5...
  • Page 5: Dimensions

    DIMENSIONS Model Width (A) XEB-2 XEB-3 14-1/4 XEB-4 17-1/2 XEB-5 20-3/4 XEB-6 XEB-7 27-1/4...
  • Page 6: Installation Procedure

    INSTALLATION PROCEDURE WARNING NOTICE Follow local regulations with respect to installation Improper installation, adjustment, alteration, service of CO detectors. or maintenance could result in death or serious injury Installation must conform to requirements of authority Figure 1 - Minimum Clearances To Combustible having jurisdiction or, in absence of such requirements, Construction to the National Fuel Gas Code, ANSI Z223.1/NFPA 54.
  • Page 7: Ventilation & Combustion Air

    VENTILATION & COMBUSTION AIR • All Outdoor Air. Provide permanent opening(s) Provide combustion air and ventilation air in accordance communicating directly or by ducts with outdoors. with the section “Air for Combustion and Ventilation,” of the National Fuel Gas Code, ANSI Z223.1/NFPA 54, or Sections о...
  • Page 8: Installation System Piping

    INSTALLATION SYSTEM PIPING WARNING Figure 2 - Safety Relief Valve Discharge Piping Burn and scald hazard. Safety relief valve could discharge steam or hot water during operation. Install discharge piping per these instructions. RELIEF VALVE Refer to local codes and appropriate ASME Boiler DISCHARGE and Pressure Vessel Code for additional installation PIPING...
  • Page 9 INSTALLATION SYSTEM PIPING Figure 3 - Forced Hot Water Typical Piping Figure 4 - Forced Hot Water Typical Piping With Zone Control Valve MINIMUM HEIGHT FOR LOW WATER CUTOFF PROBE LIMIT SENSOR MINIMUM HEIGHT FOR LOW WATER CUTOFF PROBE LIMIT SENSOR...
  • Page 10 INSTALLATION SYSTEM PIPING • Install radiation units (panels, radiators or cabinets) and Low Design Water Temperature Systems (Below supply and return mains first then make connections at 140°F) And Large Water Content Systems boiler. • Verify clean water supply is available when connecting Condensation is corrosive and can eventually cause severe cold water supply to water valve.
  • Page 11: Vent Installation

    VENT INSTALLATION Check Your Chimney Fasten sections of vent pipe with sheet metal screws to make piping rigid. Use stovepipe wires to support pipe Chimney must be clean, right size, properly constructed from above. and in GOOD CONDITION. Do not connect to fireplace flue. Installation must conform to requirements of the authority having jurisdiction or, in absence of such Do not install damper on this boiler.
  • Page 12 VENT INSTALLATION Figure 7 - Type B Gas Vent Vent pipe must be: At lease 2 ft. (610mm) higher than any part of the roof, but not less than 3 ft. Liner (915mm) tall, and within a 10 ft. within a 10 ft. (3m) radius of the apex.
  • Page 13 VENT INSTALLATION Removing Existing Boiler From Common Venting Test for spillage at the draft hood relief opening after 5 minutes of main burner operation. Use flame of a match System or candle, or smoke from a cigarette, cigar, or pipe. When an existing boiler is removed from a common After it has been determined that each appliance venting system, the common venting system is likely to be...
  • Page 14: Horizontal Venting Instructions

    HORIZONTAL VENTING INSTRUCTIONS INDUCED DRAFT HIGH EFFICIENCY BOILERS Horizontal (Category III) venting systems must be installed CHOICE OF VENT PIPE MATERIAL in accordance with these instructions. • U. L. Listed Z-Flex Z-Vent Stainless Steel Vent Pipe. Maximum Horizontal Vent Length For Stainless Steel Vent •...
  • Page 15 HORIZONTAL VENTING INSTRUCTIONS Boilers may be vented horizontally as shown in Vent Termination Fitting: For all vent pipe materials, Figure 8, Page 13. Vent pipe is pitched down from you may use either: boiler to vent termination. Do not connect other A.
  • Page 16 HORIZONTAL VENTING INSTRUCTIONS Figure 9 - Horizontal Venting Clearances D. The venting system shall terminate at least 3 feet A. The venting system shall terminate at least 4 feet (0.9m) above any forced air inlet located within below any eave, soffit, or roof overhang. 10 feet (3m).
  • Page 17 HORIZONTAL VENTING INSTRUCTIONS B. For Heat-Fab Saf-T-Vent stainless steel vent pipe Joining and Sealing the Vent Pipe: use a high temperature silicone sealant rated for The vent pipe needs to be both watertight and gas 550°F The outside of the male end and inside tight.
  • Page 18 HORIZONTAL VENTING INSTRUCTIONS D. For ProTech Systems FasNSeal stainless steel C. For Flex-L StaR-34 stainless steel vent pipe use vent pipe no cleaning fluid is required. For 3” a high temperature silicone sealant rated for vent pipe runs on 2, 3, 4 and 5 section boilers, 550°F.
  • Page 19: Boiler Sections

    HORIZONTAL VENTING INSTRUCTIONS Support Spacing: If the horizontal vent must go through a crawl space or other unheated space, the cool temperatures will likely Do not restrict thermal expansion movement of the cause the flue gases to continuously condense inside vent.
  • Page 20: What To Do If You Smell Gas

    GAS SUPPLY PIPING Connecting Gas Piping CAUTION Gas line enters boiler from right side. Flexible gas WHAT TO DO IF YOU SMELL GAS connectors must never breach any boiler openings. • Do not try to light any appliance. • Use piping materials and joining methods acceptable to authority having jurisdiction.
  • Page 21 GAS SUPPLY PIPING Table 5 - NATURAL GAS Table 6 - PROPANE GAS Pipe Capacity - BTU Per Hour Input Pipe Capacity - BTU Per Hour Input Length of Length Includes Fittings Includes Fittings Pipe - Ft. Copper Tubing* Iron Pipe ½"...
  • Page 22: Electrical Wiring

    ELECTRICAL WIRING LWCO kit 550002998 includes wiring instructions WARNING and diagrams. If using other LWCO, refer to specific Electrical shock hazard. Turn OFF electrical power manufacturer instructions supplied by appropriate supply at service panel before making electrical manufacturer. connections. Failure to do so could result in death Connect 115 volt power supply to terminals L1 (HOT) and or serious injury.
  • Page 23: Sequence Of Operation

    SEQUENCE OF OPERATION Sequence of Operation -See Figure 12, Page 23 Thermostat calls for heat, control relay contacts. Circulator pump is powered through terminals C1 and C2. Control holds off burner and attempts to satisfy thermostat with residual boiler heat. Induced draft blower and transformer primary are powered.
  • Page 24: Wiring Diagrams

    WIRING DIAGRAMS Figure 12 - Control Module Damper is not an option.
  • Page 25: Starting Your Boiler

    STARTING YOUR BOILER NOTICE Do not add water into hot empty boiler. Filling System With Water • Close air vents on all radiation units. Open valves to these units. • Verify boiler and expansion tank drain valves are closed. Air bleed screw on tank drain fitting should be closed. •...
  • Page 26: For Your Safety, Read Before Operating

    STARTING YOUR BOILER Operating Instructions. WARNING STOP! Read Safety Information on previous page. If you do not follow these instructions Set the thermostat to lowest setting. exactly, a fire or explosion may result Turn off all electric power to the appliance. causing property damage, personal injury This appliance is equipped with an ignition device which or loss of life.
  • Page 27: Main Burners

    CHECKING AND ADJUSTING Gas Valve Safety Shutdown Test Figure 14 - Automatic Gas Valve WARNING Electrical shock hazard. Follow instructions to turn off electric power. Failure to do so could result in death or serious injury. Ignition system safety shutoff device must be tested after placing boiler in operation.
  • Page 28 CHECKING AND ADJUSTING Adjust Thermostat Heat Anticipator Figure 16 - Main Burner Flame Instruction for final adjustment of thermostat are packaged with thermostat. Set Heat anticipator at .2. Check thermostat operation. When set above temperature indicated on thermometer, boiler burners should ignite.
  • Page 29: Maintaining Your Boiler

    MAINTAINING YOUR BOILER Burners Cleaning Your Boiler And Burners Beginning of heating season visually check pilot end main Flue passages between sections should be examined yearly burner flames. See Figures 14, 15 & 16 Pages 26 & 27. and cleaned if necessary. To clean: Safety Relief Valve •...
  • Page 30: 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 31: Equipment & Optional Accessories

    EQUIPMENT & OPTIONAL ACCESSORIES AIR ELIMINATING FITTING (AIR PURGER) WARNING Air purger is used to remove excess air from system. It and scald hazard. Safety relief valve could Burn is installed in supply line. It will eliminate air from water discharge steam or hot water during operation.
  • Page 32: Pressure Switch

    EQUIPMENT & OPTIONAL ACCESSORIES PRESSURE SWITCH Air pressure switch works on negative pressure. When blower comes on air pressure switch operates intermittent pilot and gas valve. Air pressure switch is factory set and will only work when blower operates properly. It will not allow boiler to come on if blower does not generate enough pressure or if venting system is blocked.
  • Page 33: Appendix A - Control Module

    APPENDIX A - CONTROL MODULE A.1 Installation Environment Considerations A.3 Adjusting Settings To discourage unauthorized changing of settings, procedure WARNING to enter adjustment mode is required. If you do not follow these instructions To enter adjustment mode, press UP, DOWN, and I buttons exactly, a fire or explosion may result (see Figure 1) simultaneously for three seconds.
  • Page 34: Operation

    APPENDIX A - CONTROL MODULE A.5 Operation Control determines burner operation is required, module proceeds to start burner (see state codes list) Module continuously monitors boiler water temperature and and heats water in boiler until setpoint temperature is fires or shuts off burner based on this temperature data. achieved or thermostat is satisfied.
  • Page 35: Boiler High Limit Temperature Controller

    APPENDIX A - CONTROL MODULE A.6 Boiler High Limit Temperature Controller A.7 Troubleshooting • When water temperature reaches setpoint, controller • Following service procedures are provided as general ends heating cycle. guide. • When water temperature drops below setpoint minus •...
  • Page 36: Intermittent Pilot

    APPENDIX A - CONTROL MODULE Table 8 - Troubleshooting Error Codes Error Code Definition Consequence Number Pressure switch failed to open (stuck closed). Wait for recovery Flame current too low. Check for flame. Non critical alarm Flame sensed out of normal sequence (before opening or after closing gas valve). Soft lockout Gas valve relays welded.
  • Page 37 APPENDIX A - CONTROL MODULE STEP 3: Check spark ignition circuit. • Recheck ignition sequence as follows. WARNING — Reconnect main valve wire. — Adjust thermostat above room temperature. Electrical shock hazard. Ignition circuit generates — Verify ignition sequence at burner. over 10,000 volts.
  • Page 38 This Page Intentionally Left Blank...
  • Page 39 Gas-Fired Hot Water Induced Draft Boilers REPAIR PARTS & OPTIONAL KITS Ordering Instructions Order Parts through your nearest supplier. When ordering parts, obtain Model Number and Serial Number from data plate on your boiler. Include following information when ordering. Part Number Part Description Boiler Model Number Boiler Serial Number...
  • Page 40 REPAIR PARTS LIST Jacket Sections and Base Parts...
  • Page 41: Parts, Kits And Accessories

    JACKET AND BASE Jacket Sections and Base Parts PART NUMBERS FOR DESCRIPTION 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section Jacket, Top Panel 730001012AC 730001013AC 730001014AC 730001015AC 730001016AC 730001017AC Jacket, Back Panel 730001022AC 730001023AC 730001024AC 730001025AC 730001026AC 730001027AC Blower Cover Plate 630001170...
  • Page 42 BOILER CONTROLS AND PIPING REPAIR PARTS Boiler Controls and Piping Repair Parts NOTE: Circulator is not pre-installed...
  • Page 43 BOILER CONTROLS AND PIPING REPAIR PARTS Boiler Controls and Piping Repair Parts Part Description ¾” ASME Relief Valve 14622011 ¾”x 5½” Female Adapter 1310010 Temperature Pressure Gauge (3½”Stem) 1260006SP Bushing ½” x ¼” 1060001 Tee 1¼” x 1¼” x ¾” PF05901 Bushing 1¼”x 2½...
  • Page 44 NATURAL GAS VALVE Natural Gas Valve FOR USE WITH NATURAL GAS ONLY NOTE: Actual gas valve may look differ- ent than gas valve shown. NATURAL GAS BURNER & MANIFOLD PARTS PART NUMBERS FOR DESCRIPTION 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section...
  • Page 45 PROPANE GAS VALVE Propane Gas Valve For Use With Propane Gas Only NOTE: Actual gas valve may look differ- ent than gas valve shown. PROPANE GAS BURNER & MANIFOLD PARTS PART NUMBERS FOR DESCRIPTION 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section...
  • Page 46: Control Assembly

    CONTROL MODULE CONTROL ASSEMBLY ITEM DESCRIPTION QTY. J-BOX 109008499 J-Box Cover 109008506 Control 240009241 Grommet 206000025 Ground Screw #8 HW07701 Control Standoff 109008496 Transformer 240008782 Line Voltage Harness 240009194 Low Voltage Wire Harness 240009342 Circulator Harness 240008767 Pilot (with wires) [Shown on page 6] 240009031 * NOT SHOWN...
  • Page 47: Warranty

    Purchaser. Note: If no nearest equivalent heat exchanger is available, Kenmore shall have the option to allow a CONDENSING WATER BOILERS credit towards the then current selling price of an equivalent new boiler. Such credit shall be based (Models –...
  • Page 50: Sears, Roebuck And Co

    Owner’s Manual GAS FIRED HOT WATER INDUCED DRAFT BOILERS Model No. XEB-2 XEB-3 Now that you have purchased your Boiler, should XEB-4 a need ever exist for repair parts or service, XEB-5 simply contact any Sears service Center. Be sure to provide all pertinent facts when you call XEB-6 or visit.
  • Page 51: Check Out Certificate

    NOTES...
  • Page 52 Owner’s Manual GAS FIRED HOT WATER INDUCED DRAFT BOILERS Model No. XEB-2 XEB-3 Now that you have purchased your Boiler, should XEB-4 a need ever exist for repair parts or service, XEB-5 simply contact any Sears service Center. Be sure to provide all pertinent facts when you call XEB-6 or visit.

This manual is also suitable for:

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