Manual - Build it Solar
Contents
1. I 200d Atwood Mobile Products Lic 1120 North Main Street Elkhart IN 46514 USA 800 546 8759 Canada amp USA 800 825 4328 Internet hitp www atwoodmobile com English Fran ais ET Canada Should you require further information contact your dealer or nearest Atwood Mobile Products Service Center Follow this instruction to insure safe operation of the furnace This book contains instructions covering the operation and maintenance of your furnace Keep with unit at all times TO THE INSTALLER LEAVE THIS MANUAL WITH THE APPLIANCE TO THE CONSUMER RETAIN THIS MANUAL FOR FUTURE REFERENCE LOCATION AND PHONE NUMBERS QUALIFIED SERVICE CENTERS e Website http www atwoodmobile com e Call 866 869 31181 for Atwood Service Center List _INDEX OPERATING INSTRUCTIONS 00 005 2 MAINTENANCE AND CLEANING 3 SERVIE ING Re oe eles SEX wig ss pom een vs 3 RIGAS CONVERSION os Bay pin a Ob Ew thinkin denne oat 4 VALJE CONVERSION lt ee iero e a E 4 ORIFICE REPLACEMENT ccs i coer aiai insa 4 ANNUAL PREVENTATIVE MAINTENANCE INSPECTION 5 RE E E e un ee aee 5 FURNACE EXTENDED SERVICE CONTRACT 6 TERM AND PROVISIONS F aenieei eE e a aaa 6 EXCISION ede pee E E e ee aan 6 ly Ga E ee ae ee eee eerere 6 EXTENDED SERVICE ORDER FORM 7 FOR YOUR SAFETY READ ALL INFORMATION BEFORE OPERATING FURNACE SAFETY SYMBOLS nal safety hazards ae AN CAUTION Av2. Ciy ST Phone Your RY Manufacturer s Brand Name Your Dealer s Company Mame CONTRACT DESIRED Model No Serial No ATWOOD Water Heater Tank 135 00 HYDRO FLAME Furnace 5 00 ATWOOD WEDAEWOOD Range 5 00 Save 10 San All Thres from abows 275 00 MILEAGE TRAVEL EXPENSE 60 0 OOO00 Atwood Mobile Products LLG 1120 N Main St Ekhart IN 46574 Ph 866 969 3718 Bie Oe
3. DEATH Should the gas supply fail to shut off or if overheating occurs shut off the gas valve to the furnace before shutting off the electrical supply A WARNING POSSIBLE INJURY OR DEATH Do not use this appliance if any part has been under water A flood damaged furnace is extremely dangerous Attempts to use the furnace can result in fire or explosion A qualified service agency should be contacted to inspect the furnace and to replace all gas controls control system parts electrical parts that have been wet or the furnace if deemed necessary AV WARNING POSSIBLE INJURY OR DEATH It is imperative that the products of combustion be properly vented to atmosphere and that all combustion air supplied to burner is drawn from outside atmosphere A WARNING CARBON MONOXIDE POISONING Doors must be properly sealed and draft cap and assemblies must be adjusted and sealed correctly to prevent carbon monoxide from entering coach Combustion air must NOT be drawn from within any living area DO NOT vent exhaust into living area or outside into an enclosed porch area DO NOT vent any other appliance with venting systems serving the furnace DO NOT allow snow or any objects to block exhaust system of furnace Inspect furnace installation and vent termination to be sure furnace is properly secured in place that vent terminates to the atmosphere and that vent tubes overlap properly and vent is tight against outer door
4. FURNACE combustion chamber ms Contract Provides These Extras ATWOOD WEDGEWOOD RANGE gas valves amp manifold in shop service id coms raa mglata informetion an tarm balov Wf One full vear of coverage Laasexsorrnremsrreesnenitei reesei oi cer ees ne ieee ener hse er ene rian tei terete PLEASE USE ORDER FORM BELOW TO BEGIN EXTENDED SERVICE CONTRACT OF YOUR PRODUCT S ATWOOD EXTENDED SERVICE CONTRACTS Teen URBE 135 E A 4 in O Water Hearer Tank An aclendad service contract e available covering the parts and labor for replacement of the Inner tank in the event the waler heater lank develops bake due to corrosion This extands tha orignal 2 two year warranty an additional 3 three years fora total of 5 tive years to the original owner fram the original dale of purchase of ihe water heater This program bB nor transferable Furnace Combustlon Chamber An extended service cortract e availabe covering ihe parts and later for the replacement of the combustion chamber n the fumace in the avent ihe combustion chamber were to prematurety fal due ta defects in matenal cr workmanship This extands the original 2 two year warranty an addilional 3 thras years for a total of 1 ve years to the original owner trom the original date of purchase of the furnace This program t mom transferable Range Gas VaWes and Manifold An extended serace contract is avafabke covering ihe parts and labor for the rap
5. is to be performed Open the access panel to turn OFF electrical switch Models with no exterior access door have a switch located outside of the furnace on the left side Close the control access panel 12VDC IGNITION CONTROL TURN OFF ELECTRICAL POWER Set the thermostat at the lowest setting Open furnace exterior door and turn OFF electrical switch or circuit breaker switch Close furnace exterior door LD model switches are located on outside of furnace near electrical hook up A WARNING FIRE OR EXPLOSION DO NOT refuel gasoline tanks or LP tanks unless the gas has been turned OFF at the LP tank disabling all gas appliances and pilot lights e DO NOT over fill LP gas tanks e LP tanks must be filled by a qualified gas supplier only Follow tank manufacture s operating instructions located on tank e Liquid gas from an over filled tank can be forced through the pressure regulator resulting in high pressure gas escaping causing fire explosions A WARNING FIRE OR EXPLOSION Improper installation adjustment alteration service or maintenance can cause property damage personal injury or loss of life Refer to the installation instructions and or owners manual provided with this appliance Installations repairs and preventive maintenance should be done by a qualified Service Technician only Listed below are several safety related items that you the owner
6. on side of adjustment reg plug to determine whether it is set for natural or propane NAT stamped on one end and LP stamped on the other end of plug The types of gas in use will be showing right side up when installed Unscrew plug and remove from valve reg tower DO NOT remove rod from inside the reg tower or make any adjustments A When set for LP and NAT is required Unscrew plug and replace plug into tower with NAT in up position NAT should now be visible Finger tighten plug or with small wrench DON T over tighten B When set for NAT and LP is required Unscrew plug and replace plug into tower with LP in up position LP should now be visible Finger tighten plug or with small wrench DON T over tighten This plug has been factory calibrated for this valve only DO NOT modify and DO NOT use plug on any other valve Install the correct main burner orifice per the chart ORIFICE REPLACEMENT Remove rain shield by removing one screw from combustion cover and tilting rain shield 45 to the right and removing Remove burner assembly by removing three screws from back wall of control box Remove two screws holding the burner to the manifold Unscrew the orifice with a 7 16 wrench or socket and replace with the correct orifice per the chart corresponding to type of gas required which corresponds to the regulator plug setting Replace two screws holding burner to manifold Reinstall the burner assembly and put the three scre
7. screen See installation manual supplied with furnace All exhaust system tubes must overlap no less than 1 1 4 All air intake tubes must overlap no less than 1 2 and be positioned for proper function Inspect chamber and venting to assure that these components are physically sound without holes or excessive corrosion and that the installation and or reinstallation are in accordance with Atwood Mobile Products Installation Instructions Reference Installation Manual supplied with furnace Check the base on which furnace is mounted Be sure it is physically sound void of any sagging deterioration etc Inspect furnace the venting ducting and the gas piping to furnace for obvious signs of deterioration Correct any defects at once Always verify proper operation of furnace after servicing Do not allow flue gas exhaust to have extended contact with exterior sidewall of recreation vehicle It will cause the material to degrade over time You as the owner user should inspect the furnace monthly during the heating season for presence of soot on vent Operating the furnace under this condition could lead to serious property damage personal injury or loss of life If soot is observed on the vent immediately shut furnace down and contact a qualified service agency A WARNING FIRE OR EXPLOSION Use the correct gas specified for you furnace Only a qualified Service Technician may convert an 8900 series furnace from LP to NAT or
8. special feature of the RV such as slide out pop up etc Always insure that the appliance cannot be operated by setting the thermostat to the positive OFF position and shutting off all electrical and gas supply to the appliance Never operate furnace with vent covered MAINTENANCE AND CLEANING AV CAUTION PERSONAL INJURY All sheet metal edges are sharp care should be taken when handling or brushing up against them to avoid cuts ZN WARNING POSSIBLE INJURY OR DEATH If the user of this appliance fails to maintain it in the condition in which it was shipped from the factory or if the appliance is not used solely for its intended purpose or if appliance is not maintained in accordance with the instructions in this manual then the risk of a fire and or the production of carbon monoxide exists which can cause personal injury property damage or loss of life A WARNING FIRE OR EXPLOSION DO NOT alter the furnace to a positive grounding system DO NOT use battery charger to supply power to DC model furnaces even when testing DO NOT connect 120 VAC to 12 VDC furnaces AN WARNING POSSIBLE INJURY OR DEATH Do not install screens over the vent for any reason Screens will become restricted and cause unsafe furnace operation Accessories are being marketed for RV products which we do not recommend For your safety only factory authorized parts are to be used on your furnace A WARNING POSSIBLE INJURY OR
9. the original date of purchase Atwood s liability hereunder is limited to the replacement of the product repair of the product or replacement of the product with a reconditioned product at the discretion of the manufacturer This warranty is void if the product has been damaged by accident unreasonable use neglect tampering or other cause not arising from defects in material workmanship This warranty extends to the original owner of the product only and is subject to the following conditions 1 For two years from the date of purchase Atwood will repair or replace any part defective in material or workmanship This warranty includes reasonable labor charges required to remove and replace the part Service calls to customer s location are not considered part of these charges and are therefore the responsibility of the owner 2 This warranty does not cover the following items classified as normal maintenance e ADJUSTING gas pressure voltage loose wire connections and or thermostat heat anticipator e CLEANING air wheels burner and or burner orifice e CLEANING OR ADJUSTING heat chamber heat ducting return air opening and or exhaust tubes 3 in the event of a warranty claim the owner must contact in advance either an authorized Atwood Service Center or the Atwood Service Department Warranty claim service must be performed at an authorized Atwood Service Center a list will be provided at no charge or approved by the
10. Consumer Service Department 1120 North Main Elkhart IN 46514 USA Phone 866 869 3118 4 RETURN PARTS MUST BE SHIPPED TO ATWOOD PREPAID Credit for shipping costs will be included with the warranty claim The defective parts become the property of Atwood Mobile Products LLC and must be returned to the Atwood Mobile Products Quality Assurance Dept Salt Lake City Operations 1874 South Pioneer Road Salt Lake City Utah 84104 USA 5 This warranty applies only if the unit is installed according to the installation instructions provided and complies with local and state codes 6 The warranty period on replacement parts is the unused portion of the original warranty period 7 Damage or failure resulting from misuse including failure to seek proper repair service misapplication alterations water damage freezing or not using genuine Atwood parts are the owner s responsibility 8 Atwood does not assume responsibility for any loss of use of vehicle loss of time inconvenience expense for gasoline telephone travel lodging loss or damage to personal property or revenues Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitations or exclusions may not apply to you 9 Any implied warranties are limited to 2 two years Some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you This warranty gives you sp
11. NAT to LP GAS CONVERSION All models except the 8900 AC Series are designed for LP GAS ONLY and cannot be converted to natural gas To verify the setting of your furnace open furnace door and check the model number on the label see table below Use only the type of gas your furnace has been set for Model Gas Type Model All 7900 LP ONLY 8900 DC LP ONLY All 8012 LP ONLY 8900 AC LC LP or NAT All 8500 LP ONLY LC LP Convertible Unit AC model units come equipped with a convertible gas control Each unit is supplied with two main burner orifices One will be in place the other will be attached to the blower housing cover Each orifice will be clearly marked with a drill size as shown below The pressure settings of the convertible valve are set for natural gas NAT 3 5 WC or LP 10 5 WC and are not adjustable Use Loctite RC609 or some other thread lock sealant on orifice threads when installing a new orifice A 1 8 NPT plug is provided upstream of gas connections for checking gas pressure GAS BTU HR LINE REG PLUG DRILL TYPE PRESSURE SETTING SIZE Propane 40 000 11 WC 10 5 WC 49P LP Natural 40 000 7 WC 3 5 WC 30N Nat Propane 35 000 11 WC 10 5 WC 51P LP Natural 7 WC 3 5 WC 32N 35 000 Nat WC Water Column VALVE CONVERSION 3 4 A EEA See drawing to check exposed section
12. ecific legal rights and you may also have other rights which vary from state to state 10 Replacement parts purchased outside of the original furnace warranty carry a 90 day warranty This includes the part at no charge and reasonable labor charges to replace it This hydro flame furnace is designed for use in recreation vehicles for the purpose of heating air as stated in the data plate attached to furnace Any other use unless authorized in writing by the Atwood Engineering Department voids this warranty FURNACE EXTENDED SERVICE CONTRACT TERM AND PROVISIONS a Written approval by Atwood must be obtained prior to having any repairs made or parts replaced under these Warranties at other than an Atwood Authorized Service Center A list can be obtained by calling 866 869 3118 or going online at Website http www atwoodmobile com Air freight or postage charges shall be borne by party claiming under Warranties The Original Purchaser shall have the full responsibility of making the furnace or RV available for repair or replacement at Atwood Mobile Products LLC Salt Lake Operations or at an Atwood Authorized Service Center Service calls are not covered under the normal two year warranty Atwood s Authorized Service Centers are neither agents nor employees of Atwood and at all times will be acting as independent contractors with the Original Purchaser Atwood will reimburse service centers for warranty service rendered on a d
13. iance DO NOT use the furnace cabinet area as a storage compartment DO NOT block furnace outlet registers or return air grills Keep all insulating material away from furnaces A WARNING POSSIBLE INJURY OR DEATH Do not operate furnace while vehicle or trailer is in motion OPERATING INSTRUCTIONS E FOR YOUR SAFETY READ m A WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life BEFORE OPERATING This appliance does not have a pilot It is equipped with an ignition device which automatically lights the burner DO NOT try to light the burner by hand BEFORE OERATION smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor ll TO DO IF YOU SMELL GAS Evacuate all persons from the vehicle Shut off the gas supply at the gas container or source Do not touch any electrical switch or use any phone or radio in the vehicle Do not start the vehicle s engine or electric generator Contact the nearest gas supplier or qualified service technician for repairs If you cannot reach a gas supplier or qualified service technician contact the nearest fire department Do not turn on the gas supply until the gas leak s has been repaired Use only your hand to turn a gas control valve Never use tools If the vaive will not turn by hand don t try to re
14. irect basis only Repairs replacement parts and or furnace replacement authorized by Atwood shall be subject to the remainder of the warranty of any of the aforesaid two year period EXCLUSIONS SPECIFICALLY EXCLUDED FROM THE WARRANTIES fi Incidental or consequential damages 2 Damage caused by shipment ay 6 Damage resulting from improper installation misuse neglect accident or use in violation of instructions furnished by Atwood Mobile Products LLC Equipment and parts which have been altered in any way whatsoever without written authorization from Atwood Mobile Products LLC All repairs and replacement parts not authorized by Atwood Mobile Products LLC Preventative maintenance LIMITATIONS fl The maximum liability of Atwood Mobile Products LLC in connection with this limited warranty shall not in any event exceed the original price paid for the furnace claimed to be defective or unsuitable Components manufactured by any supplier other than Atwood Mobile Products LLC shall bear only that warranty made by the manufacture or supplier of that product EXTENDED SERVICE ORDER FORM Atwood Extended Service for ATWOOD WATER HEATER inner tank vu extends coverage to full five years parts and labo yr Also available Service Related Travel Wf Includes mileage travel Wf Up to 200 miles total of service travel expense by authorized service center Wf one price cove HYDRO FLAME
15. lacamant of range burner valwes and manifold in ihe avert of premature taiure due to detecis in material and workmanship This stends the onginal 2 two year warranty an additional 3 thrae years fora total of 5y tea years to ihe original owner from ihe onginal date ol purchase of ihe range This progam is nor transferabie Save 10 90 by selecting all three Expanded Serice Contracts SERVICE RELATED TRAVEL MILEAGE 60 00 tas cpineios r 60 m Mileage Travel Expense Milage travel expense b not covered by the Limited Warranty Issued wilh each product If tis artkipaled thal t may be inconvenient to Iransporl your vende cr Abwood product to eblain serice you may choose ta purchase this Sanice Mileage option This will pay up fo 200 miles of saree trea at 20 carts per mik to an authored Atwood Samice Center whose service personnel travel bo your location fe parom waranty service work on your Atwood product This is for iii one year from the original date of purchase of ihe Atwood waler healer furnace or range To quality lor ary ol these options they must be purchased within 90 devs of ine Vehick purchase Prices lised are in US Dollars pease make your check or money payable lo Atwood for the proper amount Upon receipl of this compiled form along with your check or money order Atwood wil send you a writen contirmalion of ihe options you selected EXTENDED SERVICE ORDER FORM Today s Dale Dale cf Purchase Name Address
16. n a range of 10 14 W C when all appliances are in operation Test the gas connections for leaks with a leak test solution e GAS SUPPLY SYSTEM To test for gas leaks perform a pressure drop test according to current ANSI standards e GASKETS Inspect all gaskets for tight seals DO NOT reuse gaskets always replace with new Worn seals my allow carbon monoxide to enter the living areas and cause illness or death e GENERAL Physical support system must be sound without sagging cracks gaps etc e MOTOR Requires no oiling Permanently sealed and lubricated e RETURN AIR Must be cleaned and clear of obstructions e VENTING Exhaust tube and furnace chamber tube must overlap no less than 1 1 4 and be positioned against the door screen for proper function e VOLTAGE Low voltage can cause furnace to overheat and cycle High voltage can cause unbalanced combustion and excessive motor wear DC voltage should be maintained 11 to 13 6 VDC at the furnace during operation for best performance Check power with applicable power sources generator battery and converter e WIRE CONNECTIONS Check for loose disconnected or worn insulation areas WARRANTY Atwood Mobile Products hydro flame FURNACE LIMITED WARRANTY Atwood Mobile Products LLC warrants to the original owner and subject to the below mentioned conditions that this hydro flame product will be free of defects in material or workmanship for a period of two years from
17. oid possible injury and or property damage A WARNING Avoid possible injury or death A WARNING Installation of this appliance must be made in accordance with the written instructions provided in this manual No agent representative or employee of Atwood or other person has the authority to change modify or waive any provision of the instructions contained in this manual Literature number 30093 hydro flame Furnace Models SERIES 7900 Il 8012 II SERIES 8500 IV SERIES 8900 Ill Series User s Information Manual Effective 10 10 I CAUTION PERSONAL INJURY DO NOT touch exterior exhaust grills when furnace is operating Supervise young children in the same room as the furnace Av WARNING Improper installation adjustment alteration service or maintenance can cause property damage personal injury or loss of life Refer to the installation instructions and or owners manual provided with this appliance A WARNING FIRE OR EXPLOSION Be sure the furnace and all ignition systems are OFF during any type of refueling and while vehicle is in motion or being towed A WARNING FIRE OR EXPLOSION If information in this manual is not followed exactly a fire or explosion may result causing property damage personal injury or loss of life BEFORE OPERATING FURNACE smell all around appliance area for gas and check fitting with a soapy water solution Be sure to smell next to floor becau
18. onal injury and or death e Never operate the furnace if you smell gas Do not assume that the smell of gas in your RV is normal Any time you detect the odor of gas it is to be considered life threatening and corrected immediately Extinguish any open flames including cigarettes and evacuate all persons from the vehicle Shut off gas supply at LP gas bottle See safety notice in this manual Immediately shut furnace down and call a service agency if furnace cycles erratically or delays on ignition e Never attempt to repair the furnace yourself Seek the help of a qualified service person e Never restrict the ducting installed by your trailer manufacturer To do so could cause improper furnace operation Do not install air boosters in the duct system Such devices will cause the furnace to cycle on limit and to have erratic sail switch operation e Clothing or other flammable material should not be placed on or near the appliance e Always follow the Operating Instructions Do not deviate from the step by step procedures e When considering add on rooms porch or patio attention must be given to the venting of our furnace For your safety do not terminate furnace vent inside add on rooms screen porch or onto patios Doing so will result in products of combustion being vented into the room or occupied areas e In any installation in which the vent of the appliance can be covered due to the construction of the RV or some
19. pair it call a qualified service technician Force or attempted repair may result in fire or explosion Do not use the appliance if any part has been under water Immediately call a qualified Service Technician to inspect the appliance and to replace any part of the control system and any gas contro which has been underwater POR On OPERATING INSTRUCTIONS STOP Read the safety information above Set the thermostat to the lowest setting Turn OFF all electric power to the appliance This appliance is equipped with an ignition device which automatically lights the burner DO NOT try to light the burner by hand Open the control access panel Turn OFF switch circuit breaker or manual switch to the OFF position Wait 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B under FOR YOUR SAFETY READ If you don t smell gas go to the next step Turn the valve power switch to the ON position 10 Close the access panel Turn all electric power to the appliance ON 12 Set thermostat to desired setting 13 If the appliance will not operate follow the instructions To Turn OFF Gas To Appliance and call your Service Technician or gas supplier E TO TURN OFF GAS TO APPLIANCE Set the thermostat to lowest setting Turn OFF all electric power to the appliance if service
20. se some gas is heavier than air and will settle near floor This appliance does not have a pilot It is equipped with an ignition device which automatically lights the burner DO NOT try to light the burner by hand Use only your hand to turn a gas control valve Never use tools If the valve will not turn by hand don t try to repair it Call a qualified Service Technician Forcing or attempting to repair may result in a fire or explosion Do not use the appliance if any part has been under water immediately call a qualified Service Technician to inspect the appliance and to replace any part of control system and any gas control which has been under water A WARNING POSSIBLE INJURY OR DEATH Your furnace should be inspected by a qualified service agency yearly before turning the furnace on Particular attention should be given to the following items A WARNING ELECTRICAL SHOCK FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in dangerous operation serious injury death or property damage Improper servicing could result in dangerous operation serious injury death or property damage Before servicing disconnect all electrical power to furnace When serving controls label all wire prior to disconnecting reconnect wires correctly Verify proper operation after servicing DO NOT store or use gasoline or other flammable vapors and or liquids in the vicinity of this or any other appl
21. should follow each heating season to assure continued safe operation of the furnace A periodic inspection of the furnace by a qualified service agent is also recommended e Inspect furnace venting Venting must be free of obstructions void of soot and properly terminated to the atmosphere Make sure that the vent assembly is positioned tight against out door screens on 8500 and 8900 series e Periodically inspect the vent for obstructions or presence of soot Soot is formed whenever combustion is incomplete This is your visual warning that the furnace is operating in an unsafe manner If soot is present immediately shut furnace down and contact your dealer or a qualified service person e Keep furnace clean More frequent cleaning may be required due to excessive lint from carpeting bedding material pet hair etc It is imperative that control compartments burners and circulating air passageways of the appliance be kept clean and unobstructed e The motor is permanently lubricated and requires no oiling e Keep the furnace area clear of any combustible materials gasoline or other flammable vapor and liquids e Before operating furnace check the location of the furnace vent to make sure it will not be blocked by the opening of any door on the trailer If it can be blocked do not operate the furnace with the door open e Do not restrict the flow of combustion air or the warm air circulation to the furnace To do so could cause pers
22. ws back into the control box wall 7 Replace the draft shield and secure with one screw into the combustion cover 8 After converting furnace IN PLAIN SIGHT put converted sticker provided in your conversion packet on rating plate label ANNUAL PREVENTATIVE MAINTENANCE INSPECTION A qualified RV service technician should perform the following preventative maintenance and safety checks ANNUALLY Failure to properly maintain the furnace may void the furnace warranty and can result in unsafe furnace operation Preventative maintenance not covered under warranty e AIR WHEEL Clean and clear any obstructions Operating furnace with any obstructing in the blower will damage wheel making replacement necessary and cause over heating cycling e BURNER Requires no adjustment inspect annually Burner should be cleaned with a wire brush to remove debris and corrosion build up e COMBUSTION CHAMBER Check air intake and flue areas for internal obstructions wasp or bird nests etc To clean obstructions remove the combustion chamber flush with water and completely dry before replacing Replace combustion chamber if any cracks or holes are found This condition is not field repairable e CONTROL COMPARTMENT Remove dirt and lint e DUCTING Must be cleaned and clear of obstructions Reconnect any ducts that have become loose e GAS PRESSURE TEST Using a U tube Water Monometer the entire piping system must be maintained withi
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