User Manual
Contents
1. TO TURN OFF GAS TO THE APPLIANCE 1 Set the thermostat to the lowest setting 2 Turn off all electrical power to the appliance 3 Turn manual gas shutoff valve to OFF Proper care of this appliance is the user s owner s responsibility The user owner should carefully read and understand the Operating Information in this manual before operating this appliance It is the user owner s responsibility to know the location of the gas shut off valve and how to operate it Immediately close the gas shut off valve if the appliance is subjected to fire overheating flood physical damage or any other damaging condition that might affect the operation of the unit Have the appliance checked by a qualified technician before resuming operation DO NOT use this appliance if ANY part has been under water Immediately call a qualified technician to inspect the appliance and replace any part of the control system or gas control which has been under water DO NOT power up the appliance unless the gas and water supply valves are fully opened Make sure the fresh air intake pipe and exhaust vents are open and functional DO NOT attempt to install repair or service this appliance Contact a qualified technician if the appliance needs repair or maintenance Ask your gas supplier for a list of qualified service providers DO NOT use spray paint hair spray or any other flammable sprays near the appliance or near the exterior fresh air intake pipe termi2. or explosion may result causing property damage personal injury or loss of life A This appliance does not have a pilot It is eguipped If you cannot reach your gas supplier call the fire with an ignition device which automatically lights the department burner Do not try to light the burner by hand Use only your hand to turn the gas control knob B BEFORE OPERATING smell all around the appliance Never use tools If the handle will not turn by hand area for gas Be sure to smell next to the floor don t try to repair it call a qualified service technician because some gas is heavier than air and will settle on Force or attempted repair may result in a fire or the floor explosion WHAT TO DO IF YOU SMELL GAS Do not use this appliance if any part has been under water Immediately call a qualified service technician Do not try to light any appliance to inspect the appliance and to replace any part of the control system and any gas control which has been Do not touch any electric switch under water do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas suppliers instructions OPERATING INSTRUCTIONS RE 1 STOP Read the safety information above 5 Remove front cover Set the thermostat to lowest setting 6 Turn gas shutoff valve to off Handle will be across the piping do not force Turn off all electric power to the appliance Wait five 5 minutes t
3. AUTION Ensure each zone valve connected to the appliance is open while the appliance is operating Doing so ensures proper heating system operation A WARNING DO NOT wipe the appliance or control panel with a wet cloth Doing so may result in an electric shock substantial property damage premature appliance failure severe personal injury or death 4 WARNING Ensure the exposed water pipes are thermally insulated to prevent damage due to freezing conditions If the appliance is not to be used for a period of time during freezing conditions leave the zone valves open The circulation pump will keep water circulating and provide some freeze protection If the appliance is not to be used for an extended period of time during freezing conditions consider shutting down the system and draining it of water If the water pipes should freeze thaw the pipes with a hair dryer or other electric heating device If this does not work call a qualified service technician Failure to provide freeze protection could result in substantial property damage due to burst pipes personal injury or death LP 495 Rev 9 3 14 A WARNING Hydronic systems that use glycol as heat transfer fluid must be serviced periodically Glycol can break down over time become acidic and attack gaskets and seals in appliances This can result in property damage severe personal injury or death Each glycol manufacturer has different rec
4. C 6 MONTH MAINTENANCE TO BE PERFORMED BY OWNER Check Primary and Gas Piping e Remove the appliance cover and perform a gas leak inspection following Operating Instructions page 2 this manual If gas odor or leak is detected follow procedures on page 2 Call a qualified service technician e Visually inspect for leaks around the internal appliance water connections and around the heat exchanger Visually inspect the external system piping circulators and system components and fittings Immediately call a qualified service technician to repair any leaks A WARNING Have leaks fixed at once by a qualified service technician Failure to comply could result in substantial property damage severe ersonal injury or death Operate Pressure Relief Valves e Before proceeding verify that the relief valve outlets have been piped to a safe place of discharge avoiding any possibility of scalding from hot water A WARNING To avoid water damage or scalding due to relief valve operation a discharge line must be connected to the valve outlet and directed to a safe place of disposal This discharge line must be installed by a qualified service technician or heating plumbing installer in accordance with the appliance installation manual The discharge line must be terminated so as to eliminate possibility of severe burns or property damage should the valve discharge e Read the pressure gauges to ensure the system is pressurized Ch
5. Elite Fire Tube Combi Floor and Wall Mount Models USERS INFORMATION MANUAL Models EFTC 140F EFTC 140W c US LISTED Intertek LEAD FREE Safe Drinking Water Act SDWA Section 1417 ULTRAS Low NOx Emissions SCAGMD Rule 1146 2 Heat Exchanger Bears the ASME H Stamp NOTICE HTP reserves the right to make product changes or updates without notice and will not be held liable for typographical errors in literature NOTE TO CONSUMER PLEASE KEEP ALL INSTRUCTIONS FOR FUTURE REFERENCE A WARNING IF THE INFORMATION IN THIS MANUAL IS NOT FOLLOWED EXACTLY A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE PERSONAL INJURY OR LOSS OF LIFE DO NOT STORE 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 provided by a qualified installer service agency or the gas supplier 120 Braley Rd P O Box 429 East Freetown MA 02717 0429 www htproducts com LP 495 REV 9 3 14 HOOD FOR YOUR SAFETY READ BEFORE OPERATING WARNING If you do not follow these instructions exactly a fire
6. N indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury CAUTION CAUTION used without the safety alert symbol indicates a potentially hazardous situation which if not avoided may result in property damage NOTICE NOTICE is used to address practices not related to personal injury A DANGER ADANGER A Vapors from flammable liquids will explode and catch fire causing death or severe burns Water temperature over 125 F can cause severe burns instantly or death from scalds Children disabled and elderly are at highest risk of being scalded are at least 18 above the floor This will reduce but not See instruction manual before setting eliminate the risk of vapors temperature at water heater being ignited by the main i bummer or pilot flame Feel water before bathing or showering T rature limiting valves are available Read and follow water heater wamings and instructions If owners i el g valves are lable see manual is missing contact the retailer or manufacturer manual LP 495 Rev 9 3 14 TABLE OF CONTENTS PART 1 PRODUCT AND SAFETY INFORMATION oootnrot s nn HE RE RE HERE RR RRS RH RH RE Rn 4 A BEFORE OPERATION A 2 232528 vanie NU hon 5 B DURING OPERA TION 42 24 22 a BSH TTO Era Rh 5 C TROUBLESHOOTING AND GENERAL CAUTIONARY STATEMENTS 22u220424044404400n400nHnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn
7. NER Check the Surrounding Area To prevent the potential of substantial property damage severe personal injury or death eliminate all the materials listed in Table 1 from the area surrounding the appliance and the vicinity of the combustion air intake If contaminates are found e Remove products immediately from area e f contaminates have been there for an extended period call a qualified service technician to inspect the appliance for possible damage from acid corrosion If products cannot be removed immediately call a qualified service technician to re pipe the combustion air intake piping away from the contaminated areas Combustible Flammable Materials Do not store combustible materials gasoline or other flammable vapors or liquids near the appliance If found remove these materials immediately Air Contaminates If allowed to contaminate combustion air products containing chlorine or fluorine will produce acidic condensate that will cause significant damage to the appliance Read the list of potential contaminates and areas likely to have these contaminates in Table 1 If any of these contaminates are in the room where the appliance is located or combustion air is taken from one of the areas listed the contaminates must be removed immediately or the intake pipe must be relocated to another area Ensure the Appliance Cabinet is Closed Ensure the appliance cabinet is closed Tighten the upper screw to secure it The cabine
8. ates that can form strong acids while passing through the burner and vent system These acids will corrode the appliance s heat exchanger burner components and vent system resulting in flue gas spillage and or water leakage possible substantial property damage severe personal injury or death If the appliance combustion air intake is located in any area likely to cause or contain contamination or if products which would contaminate the air cannot be removed the DO NOT re pipe the combustion ventilation system on your own Call a qualified service provider for assistance PRODUCTS TO AVOID AREAS LIKELY TO HAVE CONTAMINANTS Spray cans containing fluorocarbons Dry cleaning laundry areas and establishments Permanent wave solutions Swimming pools Chlorinated waxes cleaners Metal fabrication plants Chlorine based swimming pool chemicals Beauty shops Calcium chloride used for thawing Refrigeration repair shops Sodium chloride used for water softening Photo processing plants Refrigerant leaks Auto body shops Cements and glues Paint or varnish removers Plastic manufacturing plants Hydrochloric or Muriatic acid Furniture refinishing areas and establishments New building construction Antistatic fabric softeners used in clothes dryers Remodeling areas Chlorine type bleaches laundry detergents and cleaning solvents Garages and workshops Adhesives used to fast
9. eck the CH and DHW loop pressure gauges Normal CH pressure will range from 15 30 psi Normal DHW pressure will range from 20 150 psi Appliance will not operate if pressure is lower than 15 psi e Liftthe relief valve top lever slightly allowing water to relieve through the valve and discharge piping e If water flows freely release the lever on the pressure relief valve and allow the valve to seat Watch the end of the relief valve discharge pipe to ensure that the valve does not weep after the line has had time to drain If the valve weeps lift the lever LP 495 Rev 9 3 14 10 again to attempt to clean the valve seat If the valve does not properly seat and continues to weep contact a gualified service technician to inspect the valve and system e Repeat the process on the other valve e f water does not flow from the valve when you completely lift the lever the valve or discharge line may be blocked Immediately shut the appliance down per instructions on page 2 and call a qualified service technician to inspect the valve and system D ANNUAL MAINTENANCE ONLY TO BE PERFORMED BY A QUALIFIED SERVICE TECHNICIAN Flushing the Appliance Flushing the appliance heat exchanger and CH DHW loops are complicated procedures that should only be performed by a qualified service technician NOTE Improper maintenance WILL VOID appliance warranty PART 4 TROUBLESHOOTING To save time and money review the following initial diagnos
10. en building products Table 1 B DURING OPERATION 1 Check for Gas Leaks Frequently check the gas pipe and connections for leaks with a soapy solution If air bubbles appear during the test gas is leaking Close the gas supply valve and call your gas supplier for inspection severe personal injury or death A WARNING After any repair of the gas pipeline or replacement of the gas regulator call a qualified service technician to observe the installation and replacement before restoring power to the appliance Failure to do so could result in a fire or explosion substantial property damage LP 495 Rev 9 3 14 2 Check Exhaust Vent and Intake Pipe for Proper Ventilation Ensure there is sufficient ventilation while operating the appliance Improper ventilation could result in premature appliance failure Breathing Hazard Carbon Monoxide Gas Such failures ARE NOT covered by appliance warranty Do not operate heater if flood damaged Install vent system in TEJ with local codes and mari a installation instructions A WARNING do EE Exhaust gas entering the living space can cause carbon monoxide x per en ee ons poisoning If exhaust gas should leak into the living space Do Do not piace chemical vapor emitting e Shut down the appliance naar AETIB e Close the gas valve According 10 NFPA 720 caron moronide e Open windows for ventilation nara vv e Ensure that the CO detectors are operati
11. er before bathing or 145 F Less than 3 seconds showering 150 F About 1 1 2 seconds 155 F About 1 second PART 2 MAINTENANCE A SERVICE TECHNICIAN The following maintenance should be performed by a qualified service technician annually General e Attend to any reported problems Inspect the interior of the appliance cabinet area clean and vacuum if necessary Clean the condensate trap and fill with fresh water If applicable check the condensate neutralizer and ensure it is full of condensate neutralizing marble chips Check for leaks Water gas flue and condensate Verify exhaust vent and intake piping are in good condition and sealed tight Check exhaust vent and intake pipe bracing Ensure bracing is undamaged and in good condition Check appliance water pressure piping and expansion tank Check control settings Check ignition electrode Sand off any white oxide Clean and reposition Check ignition and ground wiring Check all control wiring and connections Check burner flame pattern stable and uniform Additional Items if Combustion or Performance is Poor e Clean heat exchanger and flue ways e Remove burner assembly and clean burner head using compressed air only Once the maintenance items are completed the service technician should review service with the owner B OWNER MAINTENANCE Periodically e Check area around the appliance LP 495 Rev 9 3 14 e Check and remove any blockage from the outdoor
12. exhaust vent and intake pipe terminations DO NOT perform this maintenance if exhaust vent and intake pipe terminations are in difficult to reach locations e Check the CH and DHW loop pressure gauges Normal CH pressure will range from 15 30 psi Normal DHW pressure will range from 20 150 psi Appliance will not operate if pressure is lower than 15 psi Monthly e Check exhaust vent and intake piping Check exhaust vent and intake pipe bracing Ensure bracing is undamaged and in good condition Check the pressure relief valve Check the condensate drain system If applicable check the condensate neutralizer and ensure it is full of condensate neutralizing marble chips Every 6 Months Check appliance piping and gas supply piping for corrosion or signs of potential leakage PART 3 MAINTENANCE PROCEDURES A DANGER The appliance must be inspected and serviced annually preferably at the start of the heating season by a qualified service technician In addition the maintenance and care of the appliance as outlined in this manual must be performed by the user owner to assure maximum efficiency and reliability Follow the maintenance procedures given throughout this manual Failure to perform the service and maintenance or follow the directions in this manual could damage the appliance or system components resulting in substantial property damage severe personal injury or death A DAILY MAINTENANCE TO BE PERFORMED BY OW
13. gas type matches that of the gas type of the appliance Check whether the gas supplied is NG or LP The appliance gas type is indicated on the rating plate on the side of the appliance A CAUTION and could result in property damage or personal injury Attempting to operate this appliance on a gas supply other than specified on the rating plate will result in improper appliance operation 2 Check the Power 120V 60Hz Ensure the appliance is connected to a properly rated power supply 3 Check the Cold Water Inlet Valve Ensure the cold water inlet valve to the domestic hot water DHW loop is open and providing the proper pressure The appliance will not operate if there is insufficient water supply 4 Check the Automatic Feed Valve Ensure the automatic feed valve to the appliance is providing the proper pressure to the central heating CH loop 5 Check the Gas Shut Off Valve Ensure the manual gas shut off valve is open The appliance will not operate unless it is supplied with gas 6 Check the Area around the Appliance Remove any combustible or flammable materials from the area around the appliance and do not hang anything from the exhaust vent pipe intake must be re piped and terminated to another location Do not operate the appliance if its combustion air intake is located in or near one of the areas or in the vicinity of products listed in Table 1 These areas will always contain hazardous contamin
14. nation DO NOT place any items in or around the exterior exhaust vent termination and or fresh air intake pipe that could restrict or block the flow in or out of the vent system All safety devices must be tested by the installer service technician after the appliance is installed Always verify proper appliance operation with the service technician after servicing The gas ignition system components must be protected from water dripping spraying rain etc during appliance operation and service circulator replacement condensate trap control replacement etc The Er 80 code will display when there is no water in the appliance Ensure the appliance is full of water and all air has been purged from the system Then manually reset the appliance to resume operation If the Er 80 code displays again call a qualified service technician to inspect the appliance This appliance features a factory installed overheating prevention device This limit provides appliance shutdown in the event that the appliance water temperature exceeds the set point of the limit control Certain local codes require additional water temperature limiting devices FAILURE TO ADHERE TO THE GUIDELINES IN THIS MANUAL CAN RESULT IN SUBSTANTIAL PROPERTY DAMAGE SEVERE PERSONAL INJURY OR DEATH LP 495 Rev 9 3 14 A BEFORE OPERATION 1 Check the Gas Type NG LP When operating the appliance for the first time ensure the connected
15. ng properly twee oriee t16 Immediately call a qualified service technician to inspect the appliance and Analyze to make exhaust vent pipe Any damages to the exhaust vent pipe should be repaired immediately Failure to do so could result in substantial property damage severe personal injury or death 3 Burn Warning Take caution when inspecting the appliance and its internal components exhaust vent and or water pipes These components can get extremely hot during appliance operation 4 Combustibles and Flammable Material Warning Do not store combustibles or flammable materials in the vicinity of this appliance Do not hang anything from the exhaust pipe MA WARNING Storing flammable or combustible materials near this appliance could result in a fire or explosion substantial property damage severe personal injury or death 5 Check for Water Leaks e Do not attempt to clean the heating system Call a qualified service technician for service e Ifyou notice any leaks immediately call a qualified service technician Leaks in appliance or piping must be repaired at once C TROUBLESHOOTING AND GENERAL CAUTIONARY STATEMENTS DO NOT use this appliance for any purposes other than those specifically described by HTP Inc to provide central heating and domestic hot water Using this appliance for unapproved purposes WILL VOID the warranty and could result in property damage serious personal injury or death C
16. nnnnnnnn 6 PART 2 MAINTENANCE nnuususssnssannennnunnennnunnnunnnunnnunnnnnnnnnsnannnannunnnunnnunnnnnnunnnunnnnnnnnnnnnnnnnnsnansnnnnnnnnunnnnnnnnnnnnnsnnnnnnnnnnnnnnnnannnannnannunnnnnnnnnnnn 7 A SERVICE TECHNICIAN icine 222er 7 B OWNER MAINTENANGE 4 5 2 or aes ten na NL r ee en lee 7 PART 3 MAINTENANCE PROCEDURE nuususususanunansnansnannunnnunnuansuansunnsunnnunnunnnnnnnunnnunnnunnnnnnnnnnnannnansunnnnnnnnnnnnnnnnnnnnnnunnnnnnnannnannnannnnnnn 8 A DAILY MAINTENANCE TO BE PERFORMED BY OWNER u cnneursenssenssnsnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nennen 8 B MONTHLY MAINTENANCE TO BE PERFORMED BY OWNER ioooopnnonnn nn nn tees tee teas eae seas saeeseeesaeeeaeseaesaeseeeseeesaeeae 9 C 6 MONTH MAINTENANCE TO BE PERFORMED BY OWNER nuunsunssnssnssnnsnnnsnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 9 D ANNUAL MAINTENANCE ONLY TO BE PERFORMED BY A QUALIFIED SERVICE TECHNICIAN eee ee eee eee 10 PART 4 TROUBLESHOOTING ccssccsssstssssenssensesssenscusaesnacnsaesnsssneseneunseenneansesonsnansnasauacasseanseanssanasanesssasnscanseanssnasenassuacauacanssanssanasanesnas 10 MAINTENANCE NOTES ootonon non HR RH HR RR RS RH RE RE RE SERR RH EYE SHR ER SE SY SY RE REESE 11 PART 1 PRODUCT AND SAFETY I NFORMATI ON A WARNING USER Have this appliance serviced inspected by a qualified service technician annually
17. o clear out any gas If you then This appliance is equipped with an ignition device smell gas STOP Follow B in the safety which automatically lights the burner Do not try to information above on this label If you don t smell light the burner by hand gas go to next step Turn gas shutoff valve to on Handle will be GAS VALVE GAS VALVE in line with piping ON Install Front Cover Turn on all electric power to appliance Set thermostat to desired setting If the appliance will not operate follow the instructions To Turn Off Gas To Appliance and call your service technician or gas supplier TO TURN OFF GAS TO APPLIANCE JR Set the thermostat to lowest setting 4 Turn gas shutoff valve to off Handle will be Turn off all electric power to the appliance if service is across the piping Do not force to be performed 5 Install Front Cover Remove Front Cover LP 175 Rev 4 3 11 08 LP 495 Rev 9 3 14 SPECIAL ATTENTION BOXES The following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk levels or to important product information A DANGER DANGER indicates an imminently hazardous situation which if not avoided will result in death or serious injury A WARNING WARNING indicates a potentially hazardous situation which if not avoided could result in death or serious injury A CAUTION CAUTIO
18. ommendations for testing and replacement Do not test glycol quality yourself Have your qualified service technician check glycol quality during annual servicing If you are unsure when your glycol was last tested call a qualified service technician to test and replace glycol if necessary If the appliance is not to be used for an extended period of time during freezing conditions consider shutting down the system and draining it of water Shut off the gas and cold water supply valves A WARNING DO NOT attempt to disassemble this appliance Doing so could result in improper appliance operation or premature appliance failure substantial property damage and or severe personal injury or death due to electric shock fire or explosion If repairs are required contact a qualified service technician A CAUTION DO NOT touch the exhaust vent pipe Doing so could result in substantial personal injury Wr R APPROXIMATE TIME TEMPERATURE RELATIONSHIPS IN SCALDS Be careful when opening a hot water faucet or draining 120 F More than 5 minutes water from the appliance Water temperature over 125 F 125 F 1 to 2 minutes can instantly cause severe burns or death from scalds 130 F About 30 seconds Children disabled and elderly are at the highest risk of 135 F About 10 seconds being scalded See instruction manual before setting 140 F Less than 5 seconds temperature at appliance Feel wat
19. rom freezing temperatures or shut off and drain the unit This is normal operation no action is required Table 2 Troubleshooting Chart A WARNING This appliance is equipped with a blocked vent shutoff system If Error Codes Er 20 Er 29 or Er 41 occur turn off the gas valve at the manual shutoff Check the vent terminations for obstructions If no obstructions are found reset the appliance by pressing the power button If the error continues to occur call a qualified service technician or the gas supplier to check the appliance Failure to follow these instructions could result in property damage personal injury or death LP 495 Rev 9 3 14 11 CAUTION Er 80 will occur if there is no water in the appliance Ensure the appliance is full of water and purged of excess air Then manually reset the appliance by pressing the power button If the error continues to occur call a gualified service technician Failure to do so could result in property damage MAINTENANCE NOTES LP 495 Rev 9 3 14 12 LP 495 Rev 9 3 14
20. t must be closed while the appliance is running Check the Power Source Make sure the power cord is properly connected The main power line is connected to the manual switch box inside the appliance Check the Status of the Control Panel Observe the Control Panel to ensure the appliance is powered on and to check for any error codes Clear any debris from the panel Check Exhaust Vent and Intake Pipe Terminations Verify that the appliance exhaust vent and intake pipe terminations are clean and free of obstructions Remove any debris from the exhaust vent or intake pipe openings If removing the debris does not allow the appliance to operate correctly contact your qualified service technician to inspect the appliance and the vent system LP 495 Rev 9 3 14 Check Pressure Gauges e Check the CH and DHW loop pressure gauges Normal CH pressure will range from 15 30 psi Normal DHW pressure will range from 20 150 psi Appliance will not operate if pressure is lower than 15 psi Higher pressure readings may indicate a problem with the expansion tank Contact a qualified service technician if pressures are low or high or there is an issue with appliance operation B MONTHLY MAINTENANCE TO BE PERFORMED BY OWNER Check Exhaust Vent and Intake Piping Visually inspect the exhaust vent for any signs of blockage leakage or deterioration of the piping Inspect the exhaust vent bracing Ensure bracing is undamaged and in good condition No
21. tic steps before calling for service PROBLEM TROUBLESHOOTING CHART POSSIBLE CAUSES POSSIBLE REMEDIES No electrical power to the appliance 1 Is the plug on the power supply cord unplugged from the electrical outlet 2 Is electrical panel s 15 Amp circuit breaker tripped 3 Is the fuse on the circuit board good 4 Is there a power outage to the home 1 Reset the plug 2 Reset the circuit breaker 3 If the display panel is blank unplug the unit or contact an authorized service technician 4 Contact the power company No water available when a faucet is opened 1 Is the water supply valve shut off at the meter do cold water faucets work 2 Is the water supply valve near the unit open 3 Is the water pipe frozen 4 Is an error code flashing on the display panel leak detected 1 Open the closed supply valve 2 Open the water supply valve 3 Turn OFF the unit close all water valves and the gas valve Contact an authorized service technician 4 Refer to error code information and contact an authorized service technician Hot water is not available when the faucet is opened 1 Does the appliance have power plugged in 2 Is the appliance turned ON 3 Is an error code flashing on the display panel 4 Is the gas supply valve open or shut off at the meter do other gas devices work 1 Restore electrical power to the unit 2 Press and hold the Power button to turn the
22. tify a qualified service technician immediately if any problems are found A WARNING Failure to inspect the venting system and have it repaired by a qualified service technician can result in vent system failure causing severe personal injury or death Visually inspect the intake piping for any signs of blockage Inspect the entire length of the intake pipe to ensure piping is intact and all joints are properly sealed Inspect the intake pipe bracing Ensure bracing is undamaged and in good condition Notify a qualified service technician if any problems are found Check Pressure Relief Valves e Visually inspect the primary pressure relief valves and discharge pipes for signs of weeping or leakage e f pressure relief valves often weep the expansion tank may not be operating properly Immediately contact a qualified service technician to inspect the appliance and system Check Vent Condensate Drain System e While the appliance is running check the discharge end of the condensate drain tubing Ensure no flue gas is leaking from the condensate drain tubing by holding your fingers near the opening e f you notice flue gas leaking from the opening this indicates a dry condensate drain trap If problem persists contact a qualified service technician to inspect the appliance and condensate line and refill the condensate trap e f applicable check the condensate neutralizer and ensure it is full of condensate neutralizing marble chips
23. unit ON 3 Refer to the Diagnostic and Error Codes section in this manual 4 Open the gas supply valve The water temperature is not hot enough or turns cold during use 1 Is the faucet open enough to draw at least 0 6 gallons 2 3L per minute through the appliance 2 Is an error code flashing on the display panel 3 Is the outlet water temperature set too low 1 Open the faucet to allow more water flow 2 Refer to the Diagnostic and Error Codes section in this manual 3 Adjust the outlet water temperature It takes a long time before hot water flows from the faucet Is the faucet some distance from the appliance a Allow time for the cold water already in the pipes to flow from the faucet b Have recirculation valves and or plumbing return line s installed and program the unit for recirculation mode The water at the faucet is too hot Is the water temperature set too high Adjust the temperature setting A fan can be heard even when the unit is not operating White smoke can be seen coming out of the exterior exhaust gas vent 1 The fan continues to operate for one minute after the burner shuts off to clear the exhaust vent of combustion gases 2 The fan may run to help prevent freezing Depending on the outside temperature water vapor can be produced as the exhaust is vented 1 This is normal operation no action is required 2 Protect the appliance f
Download Pdf Manuals
Related Search