Harman Stove Company 3-90
Contents
1. Remove the drain valve at the bottom of the storage tank Install a 34 nipple and tee and reinstall the drain valve to the tee 4 Run 32 copper tubing with the necessary fittings between the drain tee combination and the lower leg of the coil After all of the connections are com pleted you can refill the tank Restore Water Out Cold Water In power to the water heater ONLY after the tank has been completely refilled Aquastat close on temp rise type Temp Pressure optional Relief Valve Automatic Pipe Air Valve 2 Rear Of EXAMPLE 2 Circulator Method more than 10 feet Pressure Relief Valve must be within 2 feet of coil Hot Water Heater NN Stove Example 2 Circulating pump method Used when the distance is more than ten feet or when the stove is on a higher level than the existing water heater In addition to a circulator you may want to add a aquastat to control the pump according to water temperature This is Pump 6 not necessary if the circulator is left run continuously Another option is a gate valve placed near the circulator to control the rate of flow A Turn off the water heater and the water supply to it Drain the tank completely Remove the Temp Pressure relief valve and discard Install a short nipple and tee 1 along with a new Temp Pressure relief valve2. National Firplace Institute NFI as NFI Specialists Floor Protection CHIMNEY amp VENTING Types Of Chimneys The chimney is one of the most important yet most neglected and misunderstood portions of any solid fuel burning stove installation Do not connect this stove to a chimney flue serving another heating de vice THE STOVE MUST BE CONNECTED ITS OWN TILE LINED FLUE A MINIMUM FLUE SIZE OF 8 X 8 IS NECESSARY FOR PROPER OPERATION UNDER NO CIRCUMSTANCES SHOULD A MANUAL FLUE DAMPER BE INSTALLED IN THE SMOKE PIPE BETWEEN THE STOVE AND THE CHIMNEY NO DAMPER HEAT SAVER OR AUTOMATIC VENT DAMPER DEVICE SHOULD BE INSTALLED IN OR ON THE SMOKE PIPE CAUTION THE CHIMNEY MUST BE A CLASS CHIMNEY IN GOOD OPERATING AND CLEAN CONDITION NOTE THE USE OF ALUMINUM TYPE GAS VENT FOR SOLID FUELS IS UNSAFE AND PRO HIBITED BY THE NATIONAL FIRE PROTECTION AGENCY CODE There are three types of class A chimneys 1 Masonry with tile liner to include brick or stone It must be supported on grade level foundation 2 Insulated manufactured chimney listed or certified by a national test agency 3 Triple wall metal class A chimney listed or certi fied by a national test agency lf your masonry chimney has not been used for some time have it inspected by a qualified person If a listed or certified manufactured chimney is to be used make certain it is installed in accordance with
3. 9 Optional Hot Water 10 12 Testing Label SAFETY CONSIDERATIONS CAUTION Keep Children Away May Cause Serious Burns All Surfaces of stove are hot Do not touch Keep children away Serious burns will result if touched Fuel Firing Warnings Danger Do not use chemicals or fluids to start or freshen up a fire Severe body burns ora fire in your home could result Do not burn garbage gasoline thinners drain oil or engine oil kerosene or fuel oil etc An explosion a house fire or personal injury could result Keep all such liquids well away from the stove while in use Never burn materials other than coal A chim ney fire or heat exchanger failure could result This includes large amounts of corrugated boxes wood shavings paper scraps garbage or other burnable materials If chimney pipes or connectors reach 500 de grees fahrenheit maximum temperature the stove is being over fired We recommend the purchase of a Magnetic Temperature Gauge to monitor the stove and stack temperatures relative to the amount of draft the customer permits the stove to operate It has been verified that creosote will ignite at 650 degrees fahrenheit It is the owner s responsibility to follow these recommenda tions This stove consumes air when it is burning if your house is tightly sealed and insulated it is advisable that a window in the vicinity be opened slightly while
4. Remove the drain valve at the bottom of the storage tank Install 34 nipple and tee and reinstall the drain valve to the tee 4 D Install a circulating pump 6 as shown 4 copper tubing from the circulator to the lower leg of the coil This is where the optional gate valve 5 can be installed Install a tee and a 150 Ib pressure relief valve 7 in the top leg within 2 feet of the top outlet of the wa ter coil F Complete the copper line by running it back to the tee at the top of the water tank making sure to install a vent elbow and automatic air vent 2 at the high point of the line The optional aquastat can be installed in this line a maximum of six feet from the stove The aquastat must be a close on temperature rise type and must be wired and set to turn on the circulator when the water temperature reaches 120 Farenheit The system is now ready to be refilled and power restored to the water heater ONLY after the tank is filled 44 Gate Valve To P K N Optional Control Flow Rate 12 WARRANTY HARMAN GOLD WARRANTY 6 YEAR TRANSFERABLE LIMITED WARRANTY Residential 1 YEAR LIMITED WARRANTY Commercial 6 Year Warranty Includes 3 Years Parts and Labor Harman Stove Company warrants its products to be free from defects in material or workmanship in normal use and service for a period of 6 years from the date of sales invoice and for mechanical and electrical failures
5. HOUSE FIRES CHIMNEY CONNECTOR 7 X 24 G PIPE 00 NOT OVERFIRE IF FIREPLACE STOVE OR CHIMNEY CONNECTOR GLOWS YOU ARE OVERFIRING INSPECT AND CLEAN CHIMNEY FREQUENTLY UNDER CERTAIN COND TIONS OF USE CREOSOTE BUILDUP MAY OCCUR RAPIDLY HARMAN STOVE AND WELDING INC 352 MTN HOUSE ROAD HALIFAX PA 17032 13
6. Installation amp Operating Manual The Harman SF 250 Coal Stove We suggest that our hearth products be installed and serviced by professionals who are certified in the U S by the National Fireplace NS Institute NFI as NFI www nficertified org Specialists SAFETY NOTICE PLEASE READ THIS ENTIRE MANUAL BEFORE YOU INSTALL AND USE YOUR NEW ROOM HEATER FAILURE TO FOLLOW INSTRUCTIONS MAY RESULT IN PROPERTY DAMAGE BODILY INJURY OR EVEN DEATH FOR USE IN THE U S AND CANADA NOT SUITABLE FOR INSTALLATION IN MOBILE HOMES IF THIS HARMAN STOVE IS NOT PROPERLY INSTALLED A HOUSE FIRE MAY RESULT FOR YOUR SAFETY FOL LOW INSTALLATION DIRECTIONS CONTACT LOCAL BUILDING OR FIRE OFFICIALS ABOUT RESTRICTIONS AND INSTALLATION INSPECTION REQUIREMENTS IN YOUR AREA CONTACT YOUR LOCAL AUTHORITY SUCH AS MUNICIPAL BUILDING DEPARTMENT FIRE DEPARTMENT FIRE PREVENTION BUREAU ETC TO DETERMINE THE NEED FOR A PERMIT CETTE GUIDE D UTILISATION EST DISPONIBLE EN FRANCAIS CHEZ VOTRE CONCESSIONNAIRE DE HARMAN STOVE COMPANY SAVE THESE INSTRUCTIONS Part 3 90 70738 TABLE OF CONTENTS Safety 3 4 5 Chimney amp 6 Operating 8 Preventative
7. T CONTROL KNOBS ON THE STOVE DO NOT USE THE CHIMNEY UNTIL HAS BEEN THOROUGHLY CLEANED AND INSPECTED BYA QUALIFIED PERSON OPERATING INSTRUCTIONS The SF250 is approved for use with coal only Burning wood or other such fuels in this stove except for the purpose of igniting a coal fire is prohibited Starting A Fire Begin by opening the draft control knobs on both the load door and the ash door Open both doors Be sure all items have been removed from the ash pan i e touch up paint warranty registration etc Place aproximately eight sheets of newspaper crum bled on top of the grates Lay some kindling on top of the crumbled paper This kindling should be dry and no larger than 3 4 in diameter It should be layered in a criss cross fashion to allow good air flow Now place some slightly larger pieces of wood about 2 diam eter on top of the kindling Using a match or grill light er ignite the paper at the bottom just inside the door Close both doors and allow the the kindling and larger wood to catch fire After around five minutes open the load door slightly for a few seconds and then open completely This is a good practice to get into as it will allow any smoke and gases to clear away from the door opening Add small compact pieces of wood when the kindling is burning hot When a substantial bed of hot wood coals is established start adding coal in small amounts at a time Allow a few minutes betwee
8. as hot as possible Start adding small batches of coal and follow the instructions for starting a fire Once there is a good bed of burning coals the grates may be shaken to remove ashes Shaking Ashes Shaking should be done only when there is a hot fire burning The frequency of shaking will depend on the degree of burning Shaking should be done at least once per day preferably twice The best results from shaking will occur when short choppy strokes are used rather than long even strokes Grasp the shaker handle with one hand and shake it only moving the actual handle 1 2 inch or less Do this until you start to see hot coals falling into the ash pan then stop Do not rock the grates as this will allow burning coal to fall through and you ll lose the fire Ashes The ashes should never be allowed to accumulate in the ash pan Excess ash will block the required airflow through the grates and cause them to warp and sag Neglect is not covered by your stove s warranty Ashes should be placed in a metal container with a tight fitting lid This closed container of ashes should be placed on a noncombustible floor or on the ground well away from any combustible materials pending final disposal If the ashes are disposed of by burial in soil or otherwise locally dispersed they should be retained in the closed container until all cinders have thoroughly cooled Fuel The SF250 is approved for burning anthracite coal Pea N
9. ction with stoves manufactured by Harman Stove Company No other commitments verbal or otherwise shall apply except by a written addendum to this warranty TESTING LABEL STERT LISTED SOLIO FUEL ROOM HEATER MODEL SF 350 m US SF 250 rock SF 150 TESTEO UL 1482 AUGUST 1981 WH TM DO NOT REMOVE OR COVER THIS LABEL MINIMUM CLEARANCES TO COMBUSTIBLE MATERIALS UNIT TO SIDEWALL 36 5 UNIT TO BACKWALL 24 CHIMNEY CONNECTOR SIDEWALL 44 0 CHIMNEY CONNECTOR TO BACKWALL 18 E FLOOR PROTECTOR SIDE AND REAR 8 H FLOOR PROTECTOR FRONT 16 CHIMNEY CONNECTOR TO COMBUSTIBLES 18 MINIMUM FLOOR PROTECTION UNIT MUST BE PLACED ON NON COMBUSTIBLE FLOOR OR USEA38 ASBESTOS t FLOOR MILLBOARD PROTECTOR OR EQUIVALENT EXTENDING PROTECTOR OUT 8 TO THE SIDE AND REAR 16 IN FRONT USE CLASS A CHIMNEY amp CLASS CHIMNEY CONNECTOR SPECIAL METHODS ARE REQUIRED WHEN PASSING THROUGH A COMBUSTIBLE WAL OR CEILING SEE INSTRUC TIONS AND LOCAL BUILDING CODES INSTALL AND USE ONLY IN ACCORDANCE WITH THE MANUFACTURER S INSTRUCTIONS AND LOCAL BUILDING CODES CONTACT LOCAL BUILDING OR FIRE OFFICIALS ABOUT RESTRICTIONS AND INSTALLATION INSPECTION IN YOUR AREA FUEL COAL ELECTRICAL RATING 115 VOLTS 2 AMPS 60 KZ DO NOT OBSTRUCT SPACE UNDER HEATER KEEP DOORS CLOSED WHILE IN OPERATION DO NOT CONNECT THIS UNIT TO A CHIMNEY FLUE SERVING ANOTHER APPLIANCE PREVENT
10. exit from the appliance Too large of a chimney could stay too cool to promote adequate draft F Chimney Offsets Offset chimneys should be avoided The offset area can collect debris and cause a blockage G Elbow restrictions There should be no more than two 90 elbows or the equivalent used in connecting the stove to the chimney flue H Shared Flue No more than one appliance shall vent into a single flue The most common cause of poor draft is an improp erly sized flue liner It is recommended that the inside dimensions of the liner be at least as large as the ap pliance flue outlet and no larger than 125 of the col lar for a round flue An example a 8 flue collar is 50 Square inches Increased by 25 would be 63 square inches or approximately a 9 round flue In general for round liners it is recommended that they not be increased by more than one inch from that of the stove collar This will help ensure proper draft with the lower flue temperatures REMEMBER solid fuel burning stove can only per form as well as its venting system will allow it to THE MOST IMPORTANT THING TO REMEMBER ABOUT CHIMNEYS IS THEIR NEED FOR MAIN TENANCE AND CLEANING IF A CHIMNEY IS NOT CLEANED ON A FREQUENT BASIS IT WILL AF FECT THE DRAFT AS WELL AS BEING CONTRIB UTING CAUSE POSSIBLE CHIMNEY FIRE IF YOU HAVE A CHIMNEY FIRE 1 GET EVERYONE OUT OF THE HOUSE 2 CALL THE FIRE DEPARTMENT 3 CLOSE THE DRAF
11. firebox remove all ashes and vacuum the entire plate from the front of the stove Using 3 4 wrench firebox Inspect and replace any cracked firebricks loosen the clean out bolt approximately 2 turns Slide Since coal and coal ashes will draw moisture it is the clean out plate to one side and remove it from the important to thoroughly clean the firebox at the end of opening Scrape the spiral chamber with a putty knife the heating season Some users apply a thin coating or similar tool The residue will fall down to the bot of oil or other rust inhibitor to the inside workings over tom of the chamber and can be removed through the summer The main thing is that you remove all of flue opening on the back of the stove by means of a the ash vacuum cleaner or a small scoop 9 WATER COIL OPTION Water Coil Installation Use a hole saw and the template sup plied with the coil to make two holes through the side wall of the stove Keep OUTSIDE NUT the coil holes above the firebrick and away from the loading door Place one of the supplied nuts on each leg of the coil Place the coil through the holes in the stove and adjust the nuts so that the pipes stick out about 17 to 172 from the sidewall of the stove Put flat wash ers and nuts on the outside and tighten within 74 inch Place fiberglass gasket around each pipe at the washers and tighten securely You are now ready to run pipes according to one of the follow ing e
12. in normal use and service for a period of 3 years from the date of sales invoice If defective in material or workmanship during the warranty period Harman Stove Company will at its option repair or replace the product as described below The warranty above constitutes the entire warranty with respect to Harman Stove Company products HARMAN STOVE COMPANY MAKES NO OTHER WARRANTY EXPRESSED OR IMPLIED INCLUDING ANY WAR RANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE No employee agent dealer or other person is authorized to give any warranty on behalf of Harman Stove Company This warranty does not apply if the product has been altered in any way after leaving the factory Harman Stove Company and its agents as sume no liability for resultant damages of any kind arising from the use of its products In addition the manufacturer and its warranty administrator shall be held free and harmless from liability from damage to property related to the operation proper or improper of the equipment THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION ON THE FACE HERE OF THESE WARRANTIES APPLY only if the device is installed and operated as recommended in the user s manual THESE WARRANTIES WILL NOT APPLY if abuse accident improper installation negligence or use beyond rated capacity causes damage HOW TO MAKE A CLAIM claim under this warranty should be made to the dealer from whom this app
13. liance was purchased Then contact is made with manufacturer giving the model and serial numbers the date of purchase your dealer s name and address plus a simple explanation of the nature of the defect Extra costs such as mileage and overtime are not covered Nuisance calls are not covered by these warranties THIS WARRANTY IS LIMITED TO DEFECTIVE PARTS REPAIR AND OR REPLACEMENT AT HARMAN STOVE COMPANY S OPTION AND EXCLUDES ANY INCIDENTAL AND CONSEQUENTIAL DAMAGES CON NECTED THEREWITH WARRANTY EXCLUSIONS Failure due but not limited to fire lightning acts of God power failures and or surges rust corrosion and venting problems are not covered Damage and or repairs including but not limited to remote controls filters fuses knobs glass ceramic brick panels ceramic fiber afterburners door packing tile ceramic log sets paint batteries or battery back up and related duct work are not covered Also excluded from this warranty are consumable or normal wear items including but not limited to flame guides grates coal bars afterburner hoods fire brick gaskets Additional exclusions for corn stoves are burnpot housing weldment burnpot grate weldment pellet or corn burnpot front plate pellet or corn burnpot front plate lock corn auger extension grain caps ceramic insert and ceramic insert plate Additional or unusual utility bills incurred due to any malfunction or defect in equipment and the labor cost of gaining access
14. n coal loadings to be sure that what you ve added is ignited You can keep the ash door open through this process but NEVER LEAVE THE STOVE UNATTENDED WITH A DOOR OPEN Once you have a bed of burning coal you can load coal into the stove to the top of the firebricks Always make sure there is some flame showing through the coal This will ensure the gases are being burned and not accumulating in the firebox After a good coal ignition set the draft controls on the load door to about 1 4 turn open The draft control on the ash door is used to control the rate of burn After starting a fire keep it about 2 full turns open for about 30 minutes Then adjust further closed to the proper output level Normal operation will be between cracked and one turn open Since coal re sponds slowly to draft adjustments make only small adjustments and allow time in between Loading Coal should only be added when there is a reasonably hot fire The coal bed should be bright and vigorous If the fire is burning hot and there is a deep bed of coals full loads can be added If it is not as described add coal in small batches only 8 Increasing Heat From A Low Fire Every effort should be made not to let a coal fire burn so long that it has started to die This will cause the reloading process to be much longer and there is a good posibility of losing the fire Do not shake or stir a low fire Open the draft control all the way until the fire gets
15. ply lift ing them off of the hinges Firebrick Diagram INSTALLATION WARNING This stove must be installed in accor dance with all state and local building code require ments Locating the stove Locate the stove as close to the chimney or flue as possible while still maintaining the clearances to com bustibles Locate the stove where there is sufficient air supply for ventilation and proper combustion Clearance to Combustibles Safe stove clearance to combustible walls is 24 to the rear and 36 to the sides and front Do not place furniture and the like directly in front of the stove Floor Protection Floor protection for a combustible floor should con sist of 3 8 millboard or a stove board providing equal protection k 84 R 45 The floor protection should extend 8 to the rear and either side and 16 in front of the stove The floor protection should also extend 2 to either side of the chimney connector to the wall where the connector enters the flue Floor Protection 36 Adjustable Leveling Feet To accomodate an un even hearth surface the SF250 is equipped with adjustable leveling feet Each foot can be turned in or out of the leg to lower or raise that corner of the stove Turn the round foot in or out to level each corner of the stove It is recommended that you have your unit installed and serviced by professionals who are certified by the
16. stove collar It should be secured to the collar with at least three screws or rivets Do not pass the connector pipe through a wall or ceiling without first checking with your local codes If allowed use only approved pass thru methods NOTE All horizontal runs of venting should have a 1 4 inch of rise per foot of length Use no more than two 90 elbows in the connector a barometric damper is needed to compensate for excessive draft install it only in a vertical section of vent pipe CHIMNEY amp VENTING Possible causes of insufficient draft A Chimney Leaks Air leaking in around a loose fit ting cleanout door flue pipe joints and or seams not secured improper plug openings or defective ma sonry B Chimney Too Short The general rule for chimneys 16 feet tall three feet above the roof exit and two feet taller than anything within ten feet C Blocked Chimney Have the chimney cleaned and inspected prior to installation and before each heating season D Trees Or Other Topographical Barriers Impeding the chimney s operation or causing a down draft situation This can also be caused by adjacent build ings or another roof of the same structure giving air currents a downward swirl NOTE The chimney on the illustrated house is too low it should be raised to compensate for down draft potential Wind direction 00 F Chimney Size The chimney can not be smaller than the flue
17. the manufac turer s instructions and all local and state codes The minimum recommended height for solid fuel chimneys is 16 feet from the stove collar The chimney must be two feet higher than anything within ten feet It also must extend three feet above the point where it intersects or exits the roof line More than 10 ft 3 Height neces sary above roof surface within 10 ft 3 m 10 ft 3 m 2 ft 0 6 3 ft 0 9 The three foot two foot ten foot rule In order to have a properly operating solid fuel heat ing system the chimney must be capable of provid ing the necessary draft The minimum required draft is 06 inches of water column W C This must be measured using a draft gauge If the chimney cannot supply this constant draft the stove will not operate properly A barometric damper may be used and prop erly adjusted to compensate for excessive draft only IMPORTANT When you measure the the draft the stove must be operating with sufficient time given for the stove and chimney to warm Burn for at least thirty minutes The draft reading is best taken 18 up from the center of the flue outlet in the connector pipe Drill a hole in the pipe for the meter tube and fill it with a screw or silicone when done with the test IMPORTANT The connector pipe must be 24 gauge or thicker When connecting the flue pipe to the stove the first section should be installed inside the
18. the stove is burning Information contained in this manual is man ufacturer s recommendations and if there is any difference between our recommendations and local code requirements we suggest fol lowing local code requirements Curing Paint During the first few hours of burning a blue smoke will be observed rising from the painted surface of the Stove It is advisable to increase the amount of fresh air open window in the room during this breaking in period Do not be alarmed this is normal and does not cause harm Mobile Homes This Harman Stove is not approved for installation in mobile manufactured homes SPECIAL WARNING NEVER OPERATE YOUR STOVE WITH THE FIRE OR ASH DOOR OPEN Keep Ash Pan Empty Excessive ash buildup will block the airflow around the grates This and only this will cause the grates to warp sag Neglect is not covered by your stove s warranty ASSEMBLY Blower The blower slides into the channel bracket on the rear of the stove as shown at right Plug the blower into a properly grounded receptacle Shaker Handle The shaker handle installs onto the shaker handle mount using the two hex bolts and washers provided Firebricks The SF250 uses 14 standard firebricks as shown below These standard firebricks measure 9 X 472 X 1 each The firebricks are already installed in the stove but can be removed to lighten the stove for moving The doors can also be removed by sim
19. to or removal of a unit that requires special tools or equipment are not covered Maintenance needed to keep the stove in good operating condition is not covered This includes but is not limited to cleaning adjustment of customer controls and customer education Labor materials expenses and or equipment needed to comply with law and or regula tions set forth by any governmental agencies are not covered This Warranty provides specific legal rights and the consumer may have other rights that vary from state to state In the event of change in ownership the remaining portion of this warranty may be transferred to the new owner by sending the new owner information and a transfer fee of 25 00 US to the Harman Stove Company PLEASE READ THE LITERATURE BY THE MANUFACTURER FOR THE VARIOUS ACCESSORY DEVICES THE MANUFACTURER WARRANTS THESE ACCESSORY DEVICES NOT HARMAN STOVE COMPANY OR THEIR WARRANTY ADMINISTRATOR FURTHERMORE THESE ACCESSORY DEVICES MUST BE INSTALLED AND USED ACCORDING TO THE RECOMMENDATIONS OF THE MANUFACTURER REMEDIES The remedies set forth herein are exclusive and the liability of seller with respect to any contract or sale or anything done in connection therewith whether in Contract in tort under any warranty or otherwise shall not except as herein expressly provided exceed the price of the equipment or part of which such liability is based CLARIFY The above represents the complete warranty which is given in conne
20. ut and Stove sized coal are all suitable Grates The functions of a grate system are to support the fuel load while allowing air flow to the fire in a balanced amount Another function is to allow for ash removal without losing the fire The SF250 grate system pro vides for all of this and can be removed with no tools required SHAKER HANDLE external Close up view of grate system components Periodic and Normal Everyday Maintenance Blower Motor Oil twice yearly Grates Keep ash pan empty CAUTION BEFORE CLEANING THE CHIMNEY AND SMOKE PIPE BE SURE THE FIRE IS OUT AND THE STOVE IS COOL Avoid Chimney Fires On a regular schedule check for creosote and soot buildup in the chimney smoke pipe and spiral chamber These areas must be kept clean Keep a professional chimney sweep in mind Steel brushes are the safest for cleaning metal sur faces Salt solutions and some chemical cleaners may damage the flue liner To clean the chimney obtain a stiff brush with an extendable handle Insert the brush into the chimney from the top Continue brushing and sweeping down ward until the entire length of the chimney is cleaned After cleaning the chimney any debris will be at the bottom by the clean out door Open the clean out and vacuum the loose debris Clean the smoke pipe from the chimney to the stove using a metal brush Cleaning of the spiral chamber Remove clean out In the
21. xamples Hot Water Out P WASHER Cold Water In Temp Pressure Relief Valve PEELE EEA 2 Hot Water Heater 10 Pressure Relief Valve must be within 2 feet of coil lt 10 Feet Max INSIDE NUT EXAMPLE 1 Thermo siphon Method less than 10 feet y Automatic FA Air Valve Rear of Stove WATER COIL OPTION Example 1 Thermo siphon Method This is the simplest and most economical method providing the existing water heater storage tank is within 10 feet of the stove The water inlet where the Temp Pressure relief valve is located must be higher than the top leg of the water coil The storage tank should be elevated if necessary to allow for proper thermo siphon action A Turn off the water heater and the water supply to it Drain the tank completely Remove the Temp Pressure relief valve and discard Install a short nipple and tee 1 along with a new Temp Pressure relief valve Run copper tubing along with the necessary fittings between the storage tank and the top leg of the coil Install 34 vent elbow and automatic float type air vent 2 the high point of the line Within two feet of the top leg of the coil install a 150 pressure relief valve 7 Run tubing from the release exit of both relief valves downward 3 so that the hot water may escape in the event of over heating
Download Pdf Manuals
Related Search