Lochinvar RESIDENTIAL GAS WATER HEATERS Use And Care Manual With Installation Instructions
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Lochinvar RESIDENTIAL GAS WATER HEATERS Use And Care Manual With Installation Instructions

Residential gas water heaters
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300 Maddox Simpson Parkway
Lebanon, TN 37090
Phone: 615-889-8900 • Fax: 615-547-1000
Technical Services email: 2tech@lochinvar.com
www.lochinvar.com
FVIR GAS WATER HEATER
(FLAMMABLE VAPOR IGNITION RESISTANT)
FOR SPACE HEATING AND POTABLE WATER HEATING ONLY.
NOT FOR USE IN MOBILE HOMES.
This water heater complies with ANSI Z21.10.1-current
edition regarding the accidental or unintended ignition of
fl ammable vapors, such as those emitted by gasoline.
• Safety Instructions
• Installation
• Operation
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: Gas leaks can not always be detected by
smell.
Gas suppliers recommend that you use a gas detector
approved by UL or CSA.
For more information, contact the your gas supplier.
If a gas leak is detected, follow the "WHAT TO DO IF YOU
SMELL GAS" instructions.
ALL TECHNICAL AND WARRANTY QUESTIONS: SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS PURCHASED.
IF YOU ARE UNSUCCESSFUL, CONTACT RESIDENTIAL TECHNICAL ASSISTANCE AT 1-615-889-8900 OR VIA E-MAIL AT WWW.LOCHINVAR.COM.
PRINTED IN THE U.S.A. 0911
Installation Instructions and Use & Care Guide
• Care and Maintenance
• Troubleshooting
• Parts List
LOW LEAD
COMPLIANT
RESIDENTIAL GAS WATER HEATERS

For Your Safety

AN ODORANT IS ADDED TO THE GAS USED
BY THIS WATER HEATER.
WARNING: If the information in these
instructions is not followed exactly, a fire
or explosion may result causing property
damage, personal injury or death.
— 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.
— Installation and service must be
performed by a qualified installer,
service agency or the gas supplier.
1
PART NO. 322809-000

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Summary of Contents for Lochinvar RESIDENTIAL GAS WATER HEATERS

  • Page 1: Water Heater Safety

    COMPLIANT ALL TECHNICAL AND WARRANTY QUESTIONS: SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS PURCHASED. IF YOU ARE UNSUCCESSFUL, CONTACT RESIDENTIAL TECHNICAL ASSISTANCE AT 1-615-889-8900 OR VIA E-MAIL AT WWW.LOCHINVAR.COM. PRINTED IN THE U.S.A. 0911...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Water Heater Safety ....................................1 Safe Installation, Use and Service ..............................3 Safety Precautions .................................... 3-4 Typical Installation ....................................5 Installing your Gas Water Heater ..............................6-8 Important Information About Your Water Heater ........................6 Consumer Information ................................6 Consumer Responsibilities ..............................

  • Page 3: Safe Installation, Use And Service

    SAFE INSTALLATION, USE AND SERVICE Your safety and the safety of others is extremely important in the installation, use and servicing of this water heater. Many safety-related messages and instructions have been provided in this manual and on your water heater to warn you and others of a potential hazard.
  • Page 4 Fire or Explosion Harzard Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. Avoid all ignition sources if you smell Natural or LP gas. Do not expose water heater control to excessive gas pressure.

  • Page 5: Typical Installation

    TYPICAL INSTALLATION GET TO KNOW YOUR WATER HEATER - GAS MODELS A Vent Pipe J Inner Door S Gas Control Valve/Thermostat B Draft Hood K Outer Door T Drain Valve C Anode (Not Shown) L Union U Manifold/Burner Assembly D Hot Water Outlet M Inlet Water Shut-off Valve V Flue E Insulation...

  • Page 6: Installing Your Gas Water Heater

    INSTALLING YOUR GAS WATER HEATER Important Information About This Water Heater Unpacking the Water Heater This gas water heater was manufactured to voluntary safety standards to reduce the likelihood of a flammable WARNING vapor ignition incident. New technology used in meeting these standards makes this product more sensitive to installation errors or improper installation environments.

  • Page 7: Location Requirements

    Location Requirements If flammable liquids or vapors have spilled or leaked in the area of the water heater, leave the area immediately and call the fire department from a neighbor’s home. Do not attempt to clean the spill until all ignition sources have WARNING been extinguished.

  • Page 8: Clearances And Accessibility

    EXHAUST FAN REVERSE FLOW OF GASES IMPORTANT: The water heater should be located in an area where leakage of the tank or connections will not result in damage to the area adjacent to the water heater or to lower FIGURE 1B. floors of the structure.

  • Page 9: Gas Supply

    GAS SUPPLY WARNING Manual Gas Shut-off Valve Ground Joint Union Check with local utility for Explosion Hazard minimum height 3” Minimum • Use a new CSA approved gas supply line. 6” Maximum Air Gap • Install a shut-off valve. Drip Leg •...

  • Page 10: Lp Gas Only

    LP Gas Only Liquefied petroleum gas is over 50% heavier than air and in the occurrence of a leak in the system, the gas WARNING will settle at floor level. Basements, crawl spaces, closets and areas below ground level will serve as pockets for the accumulation of gas.

  • Page 11: Combustion Air And Ventilation

    COMBUSTION AIR & VENTILATION TABLE 3 WARNING Minimum Square Typical Room BTUH Input Feet with Carbon Monoxide Warning with 8’ Ceiling 8’ Ceiling Water heater must be vented to outdoors. 30,000 9 x 21 Vent must be installed by a qualified technician using the installation instructions.

  • Page 12: All Air From Inside The Building

    fresh air can be taken from the outdoors or from crawl or 12” MAXIMUM attic spaces that freely communicate with the outdoors. Attic or crawl spaces cannot be closed and must be properly ventilated to the outside. Ductwork must be of the same cross-sectional area as the free area of the opening to which they connect.

  • Page 13: Vent Pipe System

    GABLE VENT TO OUTDOORS ALTERNATIVE INSTALL ABOVE OPENING INSULATION LOCATION 1 SQ. INCH CONFINED CONFINED OUTLET PER 3000 BTUH SPACE AIR TO SPACE ATTIC 1 SQ. INCH PER 4000 BTUH INLET AIR FROM ALTERNATE THE CRAWL SPACE AIR INLET ALL AIR FROM OUTDOORS - USING A SINGLE PERMANENT OPENING 1 SQ.

  • Page 14: Vent Pipe Size

    Align the legs of the draft hood with the slots provided. • The connector must be installed above the extreme Insert the legs and secure the draft hood to the water bottom of the chimney to prevent potentially blocking heater’s top with the four screws provided as shown in the flue gases.

  • Page 15: Water System Piping

    LISTED VENT CAP WATER SYSTEM PIPING Piping Installation 2 FT. MINIMUM ABOVE ANY OBJECT WITHIN 10 FT. HORIZONTALLY 3 FT. MINIMUM Piping, fittings, and valves should be installed according SUPPORT STRAP to the installation drawing (Figure 13). If the indoor installation area is subject to freezing temperatures, the *MAINTAIN TYPE B DOUBLE...

  • Page 16: Closed System/Thermal Expansion

    Please note the following: IN A CLOSED SYSTEM, USE A THERMAL EXPANSION TANK • The system should be installed only with piping that is COLD WATER suitable for potable (drinkable) water such as copper, SUPPLY TO FIXTURES HOT WATER CPVC, or polybutylene. This water heater must not be OUTLET MAIN WATER SUPPLY installed using iron piping or PVC water piping.

  • Page 17: Temperature & Pressure Relief Valve

    Temperature and Pressure Relief Valve charge line. • Must terminate a maximum of six inches above a floor drain or external to the building. In cold climates, it is recommended that the discharge pipe be terminated at an adequate drain inside the building. Explosion Harzard •...

  • Page 18: Solar Installation

    • This water heater is not to be used as a replacement MUST BE VERTICAL TO DOMSETIC REMOVE AIR BUBBLES EXPANSION TANK for an existing boiler installation. HOT WATER COLD WATER INLET VACUUM • Do not use with piping that has been treated with RELIEF TEMPERING VALVE...

  • Page 19: Important Information About This Water Heater

    IMPORTANT INFORMATION ABOUT THIS WATER HEATER This gas water heater was manufactured to voluntary safety standards to reduce the likelihood of a flammable vapor ignition incident. The new technology used in meeting these standards makes this product more sensitive to installation errors.

  • Page 20: Operating Your Water Heater

    OPERATING YOUR WATER HEATER Lighting Instructions WARNING Read and understand these directions thoroughly before attempting to light or re-light the pilot. Make sure the view Explosion Hazard port is not missing or damaged. (See Figure 23.) Make sure the tank is completely filled with water before lighting Replace view port if glass is missing the pilot.

  • Page 21: Lighting Instructions

    FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. FLAMMABLE BEFORE LIGHTING: ENTIRE SYSTEM MUST BE FILLED WITH WATER AND AIR PURGED FROM ALL LINES This appliance has a pilot which is lit by a piezo- Use only your hand to push in or turn the gas control knob.

  • Page 22: Checking The Draft

    Checking the Draft Water Temperature Regulation WARNING Water temperature over 125°F (52°C) can cause servere burns instantly resulting in severe injury or death. Burn Hazard Children, the elderly, and the physically or mentally disabled are at Do not touch vent. highest risk for scald injury.

  • Page 23: Operating The Temperature Control System

    Water Temperature Adjustment Time for Time for 1st Water Permanent Burns The water temperature setting can be adjusted from 55°F Degree Burn Temperature °F 2nd & 3rd Degree to 155°F. Turn the Gas Control/Temperature Knob to the (Less Severe Burns) (Most Severe Burns) desired setting/temperature.
  • Page 24 Excessive condensation can cause pilot outage due to 4. The ignition of flammable vapors. water running down the flue tube onto the main burner and A thermopile is used to determine if a pilot flame is putting out the pilot. present, and will shut off the gas supply to the main burner and the pilot if the flame is absent.

  • Page 25: Draining And Flushing

    The following are typical (but not all) signs of a depleted 3. Close the cold water inlet valve. anode rod: 4. Connect a hose to the drain valve and terminate it to • The majority of the rods diameter is less than 3/8”. an adequate drain or external to the building.

  • Page 26: Temperature And Pressure Relief Valve

    properly. To prevent water damage, the valve must be TEMPERATURE AND PRESSURE properly connected to a discharge line which terminates at RELIEF VALVE MANUAL RELIEF an adequate drain. Standing clear of the outlet (discharged VALVE water may be hot), slowly lift and release the lever handle on the temperature and pressure relief valve to allow the valve to operate freely and return to its closed position.

  • Page 27: Replacing The Pilot/ Thermopile Assembly

    Replacing the Pilot/ Thermopile Assembly 7. Route the new pilot tube, igniter wire and thermopile wire through the opening in the manifold door. See Figure 25. 1. Remove the manifold door assembly as described in 8. Using the pilot screw removed earlier, attach the new “Removing the Manifold/Burner Assembly”...

  • Page 28: External Inspection & Cleaning Of The Base-Ring Filter

    External Inspection & Cleaning of the Replacing the Manifold/Burner Assembly Base-Ring Filter WARNING 1. At least annually, check the base-ring filter (Figure 28) for any dust or debris that may have accumulated on the filter screen. NOTE: If the water heater is located in an area that is subjected to lint and dirt, it may be necessary to check the base-ring filter more frequently.

  • Page 29: Piezoelectric Igniter System

    Removing and Replacing the Gas Control Connect the white (-) thermopile wire to the gas control valve/thermostat, then connect the red thermal switch Valve/Thermostat wires to the thermal switch on the manifold door. (Figure 23). IMPORTANT: This water heater has a resettable thermal switch installed.

  • Page 30: Fvir System Operational Checklist

    FVIR System Operational Checklist No leaks at pilot and manifold connection. Manifold gasket properly sealed. Manifold door screws securely tightened. Viewport not damaged or cracked. Depress the button on the thermal switch Flame-arrestor free of debris and undamaged. Manifold component block properly installed. TROUBLESHOOTING CHART PROBLEM POSSIBLE CAUSE(S)
  • Page 31 PROBLEM POSSIBLE CAUSE(S) CORRECTIVE ACTION 1. Insufficient combustion air 1. Provide ventilation to water heater. Check SLOW HOT WATER RECOVERY flue way, flue baffle, and burner 2. Water heater flue or vent system 2. Clean flue, locate source and correct blocked 3.

  • Page 32: Pilot Light Troubleshooting Flowchart

    PILOT LIGHT TROUBLESHOOTING FLOWCHART Section A: Pilot light will not light (new installation). Section C: Pilot light will not remain lit. Complete this section after completing Section B. Is the manual gas shut-off valve, Turn the manual gas shut-off valve to Check for insufficient combustion air.

  • Page 33: Status Light And Diagnostic Code Troubleshooting Chart

    STATUS LIGHT AND DIAGNOSTIC CODE TROUBLESHOOTING CHART LED STATUS PROBLEM CORRECTIVE ACTION 0 FLASHES (LED NOT LIT) Pilot light is not lit or Thermopile Turn Gas Control Valve/Thermostat knob to OFF. Wait has not yet reached normal 10 minutes, then attempt to relight Pilot by following operating temperature.

  • Page 34: Status Light And Diagnostic Code Troubleshooting Chart

    STATUS LIGHT AND DIAGNOSTIC CODE TROUBLESHOOTING CHART (Continued) LED STATUS PROBLEM CORRECTIVE ACTION 4 FLASHES The Gas Control Valve’s Relight pilot and verify 4 flashes. If 4 flashes are temperature sensor has detected observed, turn Gas Control Valve/Thermostat knob that the water temperature was to OFF.
  • Page 35 REPAIR PARTS ILLUSTRATION When ordering repair parts, always give the following information: Model, serial, and product number Type of gas Item number Parts description Repair Parts List Item Parts Description DRAFT HOOD HEAT TRAP (COLD) - SOME MODELS HEAT TRAP (HOT) - SOME MODELS COLD WATER DIP TUBE ANODE ROD TEMPERATURE &...

  • Page 36: Repair Parts

    Listed Parts Kits and Illustrations Item 11A: Pilot / Thermopile Assembly kit, which contains the pilot / pilot tube assembly, thermopile, and igniter electrode. (Natural Gas) Item 11B: Pilot / Thermopile Assembly kit, which contains the pilot / pilot tube assembly, thermopile, and igniter electrode. (L.P.

  • Page 37: Notes

    NOTES...

  • Page 38: Warranty

    NOTES...
  • Page 39 NOTES...
  • Page 40 300 Maddox Simpson Parkway Lebanon, TN 37090 Phone: 615-889-8900 • Fax: 615-547-1000 Technical Services email: 2tech@lochinvar.com www.lochinvar.com Copyright © 2011 Lochinvar LLC. All rights reserved.

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