Kenmore 305 Owner's Manual

Direct vent tankless water heaters 305 series 505 series natural/propane gas
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Owner's Manual
305 and 505 Models
Direct
Vent
Tankless
Water
Heaters
FOR
OUTDOOR
APPLICATIONS
ONLY
MODEL NO.
154.330040
Natural Gas
305 Series
154.330050
Propane Gas
305 Series
154.330080
Natural Gas
505 Series
154.330090
Propane Gas
505 Series
• Safety Instructions
• Installation
• Operation
• Care and Maintenance
• Troubleshooting
For Your Safety
AN ODORANT
ISADDED
TO THE GAS USED BY THIS WATER HEATER.
Read and understand
instruction
manual
and safety messages
before installing,
operating
or
servicing
this water
heater.
Failure
to follow
instructions
and
safety messages
could result in
death
or serious
injury.
Instruction
manual
must remain
with water heater.
INSTALLER:
AFFIX THESE INSTRUCTIONS
TO OR
ADJACENT TO THE WATER HEATER.
OWNER:
RETAIN THESE INSTRUCTIONS AND
WARRANTY FOR FUTURE REFERENCE.
RETAIN THE ORIGINAL RECEIPT AS PROOF
OF PURCHASE.
WARNING:
If the
information
in these
instructions
is not followed
exactly, a fire
or explosion
may result causing
property
damage,
personal
injury or death.
m Do not store
or use gasoline
or other
flammable
vapors
and
liquids
in the
vicinity of this or any other appliance.
-- 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.
• Immediately
call
your
gas
supplier
from a neighbor's
phone.
Follow
the
gas supplier's
instructions.
• If you cannot
reach your gas supplier,
call the fire department.
m lnstallation
and
service
must
be
performed
by
a
qualified
installer,
service agency or the gas supplier.
Sears,
Roebuck
and Co.,
Hoffman
Estates,
IL 60179
U.S.A
PRINTED
IN THE U.S.A
0409
www.sears.com
PART NO. 316052-001

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Summary of Contents for Kenmore 305

  • Page 1 Owner's Manual 305 and 505 Models Direct Vent Tankless Water OUTDOOR APPLICATIONS MODEL NO. 154.330040 Natural Gas 305 Series 154.330050 Propane Gas 305 Series 154.330080 Natural Gas 505 Series 154.330090 Propane Gas 505 Series Read and understand manual and safety messages...
  • Page 2: Safe Installation, Use And Service

    I This is the safety alert symbol, it is used to alert you to potential...
  • Page 3: Safety Behaviors And Practices

    If the fuse blows then all indicator lamps will be off. • Fusible Link: In case the overheat feature does not prevent the temperature from rising then the fusible link will break shutting off the appliance. 305 & 505 Outdoor Manual before...
  • Page 4: Table Of Contents

    Flushing the Heat Exchanger (Error Code: LC or 00) ..21 Wiring Diagram ... Service and Adjustment Repair Parts List ... Kenmore Tankless Water Heater Accessories ... 32 Notes ... 305 & 505 Outdoor Manual Adjustment for Common Issues ... 29...
  • Page 5: Product Warranty

    5 Year Limited Warranty on Parts if this water heater is installed and operated in a single f:amily home in manual instructions and all local codes, if a part f:ails due to material or workmanship, part.
  • Page 6: Consumer Responsibilities

    In the Completely assemble and install this product. After installation, materials. 8501 East 1 Batterymarch the water heater 305 & 505 Outdoor Manual installation, this water heater See instructions procedures. Instructions CA 95811. Code requires this water heater to be...
  • Page 7: Product Specifications

    Appliance: Ac 120 Volts, 60hz. Temperature Simulation Feedforward And Feedback. Minimum Water Pressure: 20 Psi (Recommended 150 PSI Non-Polarized Two Core Cable (Minimum 22 Awg) 305 & 505 Outdoor Manual 505 Models 154.330080 & 154.330090 199,000 Natural Gas 199,000 Propane Gas 0.6 - 9.4 GPM...
  • Page 8: Dimensions

    25.4 (646.4) 3.8 (96) 4.3 (110) 3.0 (76) 1.1 (27) 4.1 (104) 3.5 (89) 1.6 (40) 2.0 (50) 1.6 (41) 305 & 505 Outdoor Manual 505 Series in. (mm) 14 (355.6) 9.8 (249.5) 22.9 (582) 25.4 (646.4) 3.8 (96) 4.3 (110) 3.0 (76)
  • Page 9: Technical Data

    Pressure Drop Curve o_ 25 Outlet Flow Data Water Flow (gpm) delta T - Temperature Rise (°F) 305 & 505 Outdoor Manual...
  • Page 10: Installation Instructions

    These fumes can damage components and reduce the life of your appliance. Clearances must be electrically Table 1: Top of Heater 305 & 505 Outdoor Manual that all installers attend a thermal expansion tank should be from Appliance to top tos_...
  • Page 11: Attachment Of The Water Heater

    Instructions • A manual gas control valve must be placed in the gas supply line to the water heater. A union can be used on the connection above the shut off valve for the future servicing or disconnection of the unit.
  • Page 12: Pipe Sizing Procedure-Example

    Inlet Pressure: 11 inches W.C. Pressure Drop: 0.5 inches W.C. Specific Gravity: 1.50 Length 1 1/4 1 1/2 1060 1580 1090 305 & 505 Outdoor Manual Schedule 40 Metallic Pipe Pipe Size (inches) 1150 2350 1620 1300 1110...
  • Page 13: Water Piping

    • Ensure that the water filter on the water heater is clean and installed (See Flushing the Heat Exchanger). Pressure Relief Valve • An approved pressure relief valve is required by the American National Standard (ANSI Z21.10.3) / Canadian...
  • Page 14: Freeze Protection

    Circulating Pump not imply compliance responsibility Boiler Drain Valve accordance with all local building officials before Solenoid Valve 305 & 505 Outdoor Manual Vacuum Breaker Heater _--___ -- 3/4" Gas Connection 3/4" Minimum Minimum Normally Closed Cold Water...
  • Page 15: Recommended Piping For Basic Installation

    Pump not imply compliance responsibility of the contractor/engineer Boiler Drain Valve accordance with all local building officials before installation. Solenoid Valve 305 & 505 Outdoor Manual Equipment List Water Heaters Plumbing Installation Kit (Optional) (3/4" Fittings Include: 2 Unions, 2 Ball Valves,...
  • Page 16: Recommended Piping For Circulation Systems

    Boiler Drain Valve accordance with all local building officials before installation, Solenoid Valve 305 & 505 Outdoor Manual Equipment List Water Heaters Plumbing installation (Optional) (314" Fittings Include: 2 Unions, 2 Ball Valves,...
  • Page 17: Optional Piping For Circulation Systems

    Boiler Drain Valve accordance with all local building officials before installation. Solenoid Valve 305 & 505 Outdoor Manual Equipment List Water Heaters Plumbing Installation Kit (Optional) (314" Fittings Include: 2 Unions, 2 Ball Valves,...
  • Page 18: Venting Instructions

    O porch, deck, or balcony 54 or CSA B149.1, clearances 305 & 505 Outdoor Manual CLOSED AIR SUPPLY INLET VENT TERMINAL AREA WHERE TERMINAL...
  • Page 19: Additional Clearances - Vent Terminal

    • Avoid termination locations near commercial CORNER cooking exhaust. ventilated or unventilated soffit or eve vent; or to a deck or porch (50 mm) between water heater terminals at same level Figure 8 305 & 505 Outdoor Manual...
  • Page 20: High Altitude Installations

    (1) 2-Unit connection cable or (1) Multi-Unit connection kit (1) Multi-Unit connection kit and (1) Multi-Unit connection cable (1) Multi-Unit connection kit and (2) Multi-Unit connection cables (1) Multi-Unit connection kit and (3) Multi-Unit connection cables 305 & 505 Outdoor Manual 5201-7700 ft 7701-10200 ft...
  • Page 21: Temperature Controller Installation

    PCB. 11. Secure provided. 12. Replace plastic cover over PCB and then replace the cover of the water heater. 305 & 505 Outdoor Manual the Controller controllers with controller connections inside the unit.
  • Page 22: Description Of Operation

    Ignition is electronic. There is no pilot light consuming gas while the water heater is not being used. The gas burner lights automatically when the hot water tap is Sequence of Operation 1.
  • Page 23: Temperature Adjustment

    Never leave a child or handicapped person unattended in a bathtub or shower. The thermostat on the water heater has been factory set at 120°F, to reduce the risk of scald injury. It is adjustable and can be reset to the desired temperature Some states have a requirement for a lower setting.
  • Page 24: Temperature Ranges

    Ranges This water heater will attempt to provide hot water at the temperature setting even when the water flow is varied or when more than 1 tap is in use. The water heater can deliver water at only one temperature available temperatures for a given model are provided below.
  • Page 25: Operating Your Water Heater

    Locate the manual gas valve on the side of the heater. Turn the manual valve clockwise OFF position. 305 & 505 Outdoor Manual injury or loss of life. call the Never use tools. If the knob will not...
  • Page 26: Maintenance

    See the parts breakdown of the burner for the location of the view ports. The flame pattern should be as shown in the figures below. SATISFACTORY UNSATISFACTORY 305 & 505 Outdoor Manual of Flame FRONT VIEW BLUE FLAME ME ROD...
  • Page 27: Troubleshooting

    Verify dip switches are set properly. Check fan for blockage. Check that the gas is turned on at the water heater, gas meter, or cylinder. Ensure gas type and pressure is correct. Ensure gas line, meter, and/or regulator is sized properly.
  • Page 28 Ensure you have at least the minimum flow rate required to fire unit. Ensure turbine spins freely. Measure the resistance of the water flow control sensor. Check for DC shorts at components. 305 & 505 Outdoor Manual...
  • Page 29: Troubleshooting For Common Issues

    I don't have any hot water when I open the tap. Make sure there is gas, water, and electricity to the water heater (power is turned on and the gas is turned on). When I was using the hot water, the water got cold.
  • Page 30: Flushing The Heat Exchanger

    Open both service valves (Vl and V2) on the hot water and cold water lines. Operate the pump and allow the cleaning solution to circulate through the water heater for at least 45 minutes. Turn off the pump. Rinse the cleaning solution from the water heater as follows: a.
  • Page 31: Wiring Diagram

    FROST S ENSING 3A(FUSE) SWITCH ARRESTER VARISTOR i SW,TC_,s__F_ WATER F LOW SENSOR ATER FLOW SENSOR CiRCUiT WATER F LOW CON_L DEVtCE WATER FLOW CON TIROL DEVI CE CIRCUIT BY-PASS FLOW CONTROL DEVICE BY-PASS S ERVO MODEL O NLY DRMNG CIRCUIT DRIVING CIRCUIT...
  • Page 32: Service And Adjustment

    Contact Sears Service Center at: 1-800-4-MY-HOME® For the convenience of the Qualified Service Technician a Technical Data Sheet has been placed inside the front cover of the water heater. The Technical Data Sheet includes the following important information for Servicing and/or Troubleshooting the water heater: •...
  • Page 33: Notes

    305 &505 Outdoor Manual...
  • Page 34 305 &505 Outdoor Manual...
  • Page 35 305 &505 Outdoor Manual...
  • Page 36 Au Canada piezas: ® / SM Service Mark of Sears Brands, de Servicio de Sears Brands, deposce de Sears Brands, 305 & 505 Outdoor Manual ÷e Cen,er (Canada) (Canada) pour service en fran£ais: 1.800.LE.FOYERMC (1-800-533-6937) www.sears.ca @ Sears Brands, _/////////////////////_...

This manual is also suitable for:

505154.330040154.330050154.330080154.330090

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