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Aerco Esteem 399, Installation And Maintenance Instructions Manual

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Aerco Esteem 399 Installation And Maintenance Instructions Manual Download Page 108

108

17 - MAINTENANCE

17.11 - 199 and 250 

models wiring diagram

For the legend see section 17.12.

WARNING!!!

Label all wires 

prior to disconnection when servicing 

controls. Wiring errors can cause 

improper and dangerous operation! 

Verify proper operation after servicing. 

Failure to comply with this warning 

can cause extensive property damage, 

severe personal injury or death!

Summary of Contents for Esteem 399

Page 1: ... before installing Perform steps in the order given Failure to comply could result in severe personal injury death or substantial property damage Save this manual for future reference 62403631 R03 Jul 01 2019 A S M E Installation and maintenance instructions gas fired condensing water heater series AM R Instruction No AERCO INTERNATIONAL Inc 100 Oritani Dr Blauvelt NY 10913 USA 62403631 R03 ...

Page 2: ... 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 WARNING If the information in these instructions is not followed exactly a fire or explosion may result caus...

Page 3: ...3 SAFETY INSTRUCTIONS ...

Page 4: ...assurés par un installateur ou un service d entretien qualifié ou par le fournisseur de gaz AVERTISSMENT Assurez vous de bien suivre les instructions données dans cette notice pour réduire au minimum le risque d incendie ou d explosion ou pour éviter tout dommage matériel toute blessure ou la mort Un temperature de l eau au dessus de 125 F 52 C peut causer de graves brulures instantanément ou la m...

Page 5: ...5 SAFETY INSTRUCTIONS ...

Page 6: ...osion causing property damage personal injury or death WARNING Qualified installer qualified installer is an individual with specific technical training in space heating systems domestic hot water systems fuel gas systems and electrical systems This individual must have the legally required qualifications Failure to comply with these provisions can cause a fire or explosion causing property damage...

Page 7: ... water Failure to do so can cause severe personal injury or death ATTENTION N utilisez pas cet appareil s il a été plongé dans l eau même partiellement Faites inspecter l appareil par un tecnicien qualifié et remplacez toute partie du système de contrôle et toute commande qui ont été plongés dans l eau WARNING Ensure the heater and its controls are protected from dripping or spraying water during ...

Page 8: ...tions 36 8 2 Hot and Cold water piping 36 8 2 1 Near water heater piping components 36 8 2 2 Temperature and pressure Relief valve 37 8 2 3 Expansion Tank 38 8 2 4 Circulator pump 38 8 2 5 Sizing water system 38 8 2 6 Anti legionella 38 8 3 Scalding 38 8 4 How to install the circulator pump 38 9 INSTALLATION Condensate disposal 41 9 1 Condensate disposal 41 10 INSTALLATION Electrical connections 4...

Page 9: ...iption and usage 67 12 13 2 Determine location 67 12 13 3 Vertical termination installation 67 12 13 4 Multiventing vertical terminations 68 13 INSTALLATION CATEGORY II Vent and combustion air 69 13 1 CATEGORY II Negative pressure condensing 69 13 2 CATEGORY II Adapter and increaser 69 13 3 Condensing vent option CATEGORY II 70 14 INSTALLATION Gas supply 72 14 1 Gas supply piping 72 14 2 Pipe sizi...

Page 10: ...ance verification 95 17 1 9 Flame inspection 95 17 1 10 Check flame signal 95 17 1 11 Check relief valve 95 17 1 12 Check heater area 96 17 1 13 Check pressure gauge 96 17 1 14 Check vent piping 96 17 1 15 Check air piping 96 17 1 16 Check condensate drain system 96 17 1 17 Check heater piping gas and water 96 17 1 18 Shut heater down 97 17 1 19 Test low water cutoff if installed 97 17 1 20 Reset ...

Page 11: ...s and Propane Installation Code the latest edition of the National Electric Code ANSI NFPA 70 and or Canadian Electrical Code Part 1 CSA C22 1 Where required by the authority having jurisdiction the installation must conform to the Standard for Controls and Safety Devices for Automatically Fired Boilers ANSI ASME CSD 1 NOTICE Install CO detectors per local regulations NOTICE This Water heater meet...

Page 12: ... the most current edition of NFPA 54 as adopted by the Board and 2 Product Approved side wall horizontally vented gas fueled equipment installed in a room or structure separate from the dwelling building or structure used in whole or in part for residential purposes c MANUFACTURER REQUIREMENTS GAS EQUIPMENT VENTING SYSTEM PROVIDED When the manufacturer of Product Approved side wall horizontally ve...

Page 13: ...omise the smooth running of the appliance or cause serious damage to individuals animals or property NOTICE Indicates special instructions on installation operation or maintenance that are important but not related to personal injury or property damage Important indication symbol 2 4 Accessories included The appliance is equipped with the following accessories Quantity No Description P N Figure No...

Page 14: ...mperature sensor par 1001 6 Burner unit supply connection 7 Burner unit supply pipe 8 Gasket 9 Unit heat exchanger 8 9 18 15 7 16 6 14 10 11 5 13 1 3 4 2 8 9 18 15 7 16 6 14 10 11 5 13 1 3 4 2 020021 01 004 10 Burner unit return connection 11 Support arrangement 13 Water pressure sensor present on Burner 1 only 14 Spark generator 15 Ignitors covers 16 Water flow sensor par 1062 18 Return pipe ...

Page 15: ...al insulation 23 Sight glass 24 Raccord fan burner 25 Modulating Fan 26 Return temperature sensor par 1007 27 Left ignition electrode 28 Right ignition electrode 30 Gasket 31 Flapper valve 32 Flapper magnet 33 Flapper sensor 7 20 21 19 28 27 30 26 22 23 24 18 25 7 20 21 19 28 27 30 26 22 23 24 18 25 020021 01 005 32 24 33 31 25 020009 01 005_a ...

Page 16: ...densate neutralizer box 9 Water Supply pipe 10 Heat exchanger 12 Gas inlet pipe 13 Air inlet connection 14 Electrical cable passages 15 Air filter 16 885IF board optional 17 Flue exhaust connection 18 Electrical terminals 19 Electrical control board 20 Flue blocked pressure switch 21 Control panel 23 Power control boards 24 Front cover 25 Bottom front cover 7 14 25 17 9 1 24 10 12 20 2 13 3 5 8 15...

Page 17: ... Fan protection cover 29 High limit flue gas temperature fuse Red color connector 30 Flue gas temperature sensor Blue color connector 1006 31 Water Return connection 32 Flue gas exhaust manifold 33 Condensate blocked drain switch 43 Primary heat exchanger temperature fuse 31 26 29 33 32 43 30 28 27 020021 01 002 ...

Page 18: ...ief valve 36 P T gauge 37 Condensate drain 38 Plug connection for field supplied safety relief valve 39 Hot water supply connection 40 Cold water inlet connection 41 DHW Circulator pump 42 3 4 female thread for low water cut off application 39 38 42 41 40 35 34 36 37 39 38 42 41 40 35 34 36 37 020021 01 003 ...

Page 19: ...nger Burner 1 Master 11 Heat exchanger Burner 2 Member 12 Gas inlet pipe 13 Air inlet connection 14 Electrical cable passages 15 Air filter 16 885IF board optional 17 Flue exhaust connection 18 Electrical terminals 19 Electrical control board 20 Flue blocked pressure switch 21 Control panel 22 Burner 2 power control board 23 Burner 1 Master power control boards 24 Front cover 25 Bottom front cover...

Page 20: ...over 27 Main electrical switch 28 Fan protection cover 29 High limit flue gas temperature fuse Red color connector 30 Flue gas temperature sensor Blue color connector 1006 31 Water Return connection 32 Flue gas exhaust manifold 33 Condensate blocked drain switch 43 Primary heat exchanger temperature fuse BURNER 2 Slave BURNER 1 Master ...

Page 21: ...lve 36 P T gauge 37 Condensate drain 38 Plug connection for field supplied safety relief valve 39 Hot water supply connection 40 Cold water inlet connection 41 DHW Circulator pump 42 3 4 female thread for low water cut off application 39 42 38 40 41 35 35 34 36 37 36 39 42 38 40 41 35 35 34 36 37 36 020022 01 003 ...

Page 22: ...ch 13 Ignition electrodes 14 Premix burner 15 Detection electrode 16 ignitor 17 Return temperature sensor 18 Back flue preventer 19 Modulating PWM fan 20 Gas valve 22 Water flow meter 23 Condensing blocked drain switch 24 Condensate Siphon 25 Condensate neutralizer box 26 Gas inlet 27 Condensate drain 29 Electronic anode 30 Stainless steel storage tank 31 Hot water supply 32 DHW Circulator pump 33...

Page 23: ...rodes 14 Premix burner 15 Detection electrode 16 ignitor 17 Return temperature sensor 18 Back flue preventer 19 Modulating PWM fan 20 Gas valve 22 Water flow meter 23 Condensing blocked drain switch 24 Condensate Siphon 25 Condensate neutralizer box 26 Gas inlet 27 Condensate drain 29 Electronic anode 30 Stainless steel storage tank 31 Hot water supply 32 DHW Circulator pump 33 Tank sensor 34 Cold...

Page 24: ...hibited The water heater can be installed with a Direct Venting system or with a one pipe vent system and getting combustion air from room The quality of the system water is very important Poor water quality can damage the water heater due to scale formation and corrosion The heater must be connected to a domestic hot water supply with compatible specifications performance and power rating ...

Page 25: ...sion could result in and explosion that can cause severe personal injury death or substantial property damage CAUTION This heater is not designed for direct outdoor installation If installed outside of the structure it must be sheltered so it is protected from rain wind sun and frost NEVER place this heater in a location that would subject it to temperatures at or near freezing or temperature that...

Page 26: ... of the bottom of the enclosure b Ventilation air opening with a minimum free area of one square inch per 4000 Btu hr input 5 5 cm2 per kW This opening must be located within 12 30 cm of the top of the enclosure 2 If combustion and ventilation air is taken from the outdoors using a duct to deliver the air to the equipment room each of the two openings should be sized based on a minimum free area o...

Page 27: ...bustion air opening is provided to bring combustion air in directly from the outdoors the opening must be sized based on a minimum free area of one square inch per 3000 Btu hr 7 cm2 per kW This opening must be located within 12 30cm of the top of the enclosure see Fig 5 3 EQUIPMENT ROOM AIR OPENING ...

Page 28: ...ir opening a minimum of approximately 25 Check with louver manufacturers for exact net free area of louvers Where two openings are provided one must be within 12 30 cm of the ceiling and one must be within 12 30 cm of the floor of the equipment room Each opening must have net free area as specified in the chart on Figure 5 4 Single openings shall commence within 12 30 cm of the ceiling Figure 5 4 ...

Page 29: ...ustion air supply must be completely free of any flammable vapors that may ignite or chemical fumes wich must be avoided are fluorocarbons and other halogenated compounds most commonly present as refrigerants or solvents such as Freon trichlorethylene perchlorethylene chlorine etc These chemicals when burned form acids which quickly attack the heat exchanger tubes headers flue collectors and the v...

Page 30: ...aterials 5 6 Vent and combustion air piping This heater requires a special vent system designed for pressurized venting The heater is to be used for either direct vent installation or for installation using room combustion air When room air is considered see Sections 5 1 and 12 9 Vent and air may be vented vertically through the roof or out a side wall unless otherwise specified You may use any of...

Page 31: ...LATION Location Figure 5 6 Recommended minimum clearance distances for proper installation and servicing for models 199 to 500 G1 Center of gravity for 199 and 250 model G2 Center of gravity for 399 and 500 model ...

Page 32: ... equipment such as a hand truck with a fastening belt or special equipment for maneuvering steps During transportation the heater must be secured on the transportation equipment to prevent it from falling off Protect all parts against impacts if they are to be transported Leave the protective covers on the connections During transportation cover the flue gas and air intake connections at the top o...

Page 33: ... heater see Figure 6 3 5 Using a proper equipment check the weight of the unit in Section 18 and lift the unit from the wood pallet and move it to the installation location 6 Install the leveling feet and plumb the unit accordingly see Figure 6 5 WARNING The floor must be capable of supporting the weight see Section 18 of the unit or the same unit and building may be damaged causing severe persona...

Page 34: ... Figure 6 6 list all dimensions of each heater model MODEL 1 WATER SUPPLY COONECTION 2 WATER RETURN CONNECTION 3 AIR INTAKE CONNECTION 4 FLUE EXHAUST CONNECTION 5 GAS CONNECTION 6 GAS CONNECTION 199 1 1 4 1 1 4 3 3 1 1 1 4 250 1 1 4 1 1 4 3 3 1 1 1 4 399 1 1 4 1 1 4 4 4 1 1 1 4 500 1 1 4 1 1 4 4 4 1 1 1 4 ...

Page 35: ...d loss of the heater 0 1 2 3 4 5 6 7 8 9 10 0 0 0 33 0 66 0 98 1 3 1 6 2 0 2 3 2 6 2 9 3 3 0 1000 2000 3000 4000 5000 6000 0 4 4 8 8 13 17 6 22 26 4 l h GPM kPa ft W C RIC 01 2015 7 INSTALLATION Water side head loss of the heater ...

Page 36: ... flow rate through the water heater causing poor system performance Basic steps are listed below along with illustrations on Figures 8 1 and 8 5 which will guide you through the installation of the water heater 1 Connect the cold water supply to the inlet side of the water heater using the factory supplied items P and S of Figure 8 1 2 Connect the hot water supply to the outlet side of the water h...

Page 37: ...personal injury or death may occur WARNING Never install any type of valve between the water heater and the relief valve or an explosion causing extensive property damage severe personal injury or death may occur NOTICE If the relief valve discharges periodically this may be due to thermal expansion in a closed water supply system Contact the water supplier or local plumbing inspector on how to co...

Page 38: ...pump follow Figure 10 2 A field supplied pump relay must be installed if the pump current draw is greater than 3 amps If the pump have an interax of 6 1 2 you can install it between flanges C and D of Figure 8 4 If the pump have an interax of 8 1 2 replace pipe D with the factory supplied pipe F and apply seal adapter G with gasket H both factory supplied as shown in figure 8 4 For the electrical ...

Page 39: ...P26 99BF 0013 SF3 Star S 33ZF 2 Stratos Z 1 25x3 35 Figure 8 3 Useful pumps 1 With hard water settings the maximum water temperature is 140 F 60 C If you need higher water temperature contact the manufacturer 2 This pump need 230 Vac Fase and Neutral 3 Contact the manufacturer if water hardness is higher than 19 gr gal CAUTION Since the pump wires conduct 120 Vac they must never run through condui...

Page 40: ...11 Recycling pump If needed 12 Drain 8 INSTALLATION AGUADENS water connections CAUTION This is a concept drawing only It is up to the system designer to determine the necessary components including additional equipment and any safety devices which in the judgement of the designer are appropriate in order to properly size configure and design that system and to ensure compliance with building and s...

Page 41: ... products CAUTION The condensate discharge line must be of materials approved by the authority having jurisdiction In the absence of other authority PVC and CPVC pipe must comply with ASTM D1785 or D2845 Cement and primer must comply with ASME D2564 or F493 For Canada use CSA or ULC certified PVC or CPVC pipe fittings and cement be carried out with a pipe with an internal diameter equal to or grea...

Page 42: ...e neutralizer box see also Figures 3 3 through 3 6 Item 8 A Pipe connected to the heaters flue exhaust system B Condensate neutralizer box C Condensate drain pipe D Cover of the box E PH test port A Condensate drain pipe B Floor drain or drain pan Below this point there must be a trap capable of preventing the return of sewer gas ...

Page 43: ...res are inverted the heater will block displaying error code Err 65 10 1 2 Connection to a LWCO device CAUTION Use only LWCO sensor device To use water flow switch ask engineering wiring diagram to the manufacturer Install LWCO device as per engeneering method Connect LWCO terminals to 103 and 104 heater terminals WARNING Heater terminals 103 and 104 containing line voltage and electrical shock ha...

Page 44: ...44 10 INSTALLATION Electrical connections Figure 10 3 Electrical customer connection for pump brand Wilo model Stratos Z1 25X3 35 Figure 10 2 Electrical customer connection ...

Page 45: ...10 2 and 10 3 Terminal 12 Tank Sensor NOT APPLICABLE Terminal 13 Tank Sensor NOT APPLICABLE Terminal 14 Outdoor Sensor OS NOT APPLICABLE Terminal 15 Outdoor Sensor OS NOT APPLICABLE Terminal 24 Cascade header Sensor NOT APPLICABLE Terminal 25 Cascade header Sensor NOT APPLICABLE Terminal 28 Bus cascade NOT APPLICABLE Terminal 29 Bus cascade NOT APPLICABLE Terminal 30 Bus Master NOT APPLICABLE Term...

Page 46: ...ize as determined using the appropriate Annex G of the National Fuel Gas Code ANSI Z223 1 NFPA 54 and or CAN CSA B149 1 Natural Gas and Propane Installation Code Au moment du retrait d une chaudière existante les mesures suivantes doivent être prises pour chaque appareil toujours raccordé au système d évacuation commun et qui fonctionne alors que d autres appareils toujours raccordés au système d ...

Page 47: ...h that the vent and air piping can be routed through the building and properly terminated The vent air piping lengths routing and termination method must all comply with the methods and limits given in Section 12 3 12 INSTALLATION CATEGORY IV Vent and combustion air NOTICE The exhaust pipe must be pitched a minimum of a 1 4 inch per foot back to the heater to allow drainage of condensate NOTICE Th...

Page 48: ...gure 12 4 Vertical concentric Direct venting Figure 12 5 Side wall concentric Direct venting Figure 12 2 Vertical two pipes Direct Venting Figure 12 6 Side wall or vertical in a roof one pipe venting combustion air from room not Direct venting Figure 12 3 Side wall air intake vertical vent Direct venting ...

Page 49: ...all are airtight and comply with the instructions provided and with all requirements of all applicable codes Failure to provide a properly installed vent and air system will cause severe personal injury or death WARNING Using vent materials other than those listed in Figure 12 7 and Figure 12 8 failure to properly seal all seams and joints mixing Figure 12 7 Approved vent materials WARNING Use of ...

Page 50: ...m Innoflue System 199 250 IASPP03 4 110mm Bird screen Polypropylene Centrotherm Innoflue System 399 500 IASPP04 3 80mm Two and single pipes roof or wall terminal 90 elb Polypropylene Z Flex U S Inc 199 250 2ZDE387UV 4 110mm Two and single pipes roof or wall terminal 90 elb Polypropylene Z Flex U S Inc 399 500 2ZDE487UV 3 80mm Heater adapter Polypropylene Z Flex U S Inc 199 500 2ZDCPVCG3 4 110mm He...

Page 51: ...ines listed in the National Mechanical code section 305 table 305 4 or local codes dictate 12 5 1 Sealing of PVC CPVC or ABS air inlet pipe The PVC CPVC or ABS air inlet pipe should be cleaned and sealed with the pipe manufacturer s recommended solvents and standard commercial pipe cement for the material used The PVC CPVC or ABS air inlet pipe should use a silicone sealant VITON BASED RTV to ensu...

Page 52: ...en in Section 12 3 2 Cut pipe to the required lengths and deburr the inside and outside of the pipe ends 3 Bevel outside of each pipe end to ensure even cement distribution when joining 4 Clean all pipe ends and fittings using a clean dry rag Moisture will retard curing and dirt or grease will prevent adhesion Connection of the the vent or air piping to the heater adapters 5 Dry fit vent or air pi...

Page 53: ...o Figure 12 9 1 Prepare the connection between adapter B and pipe G like described on Section 12 6 1 2 Insert the flue exhaust PVC CPVC pipe for 3 into the adapter B 3 Tighten the clamp F to mechanically secure the adapter B to the pipe WARNING Do not insulate PVC CPVC exhaust pipe nor install into an enclosure closet alcove or any other obstruction thereby preventing the cooling of the exhaust pi...

Page 54: ...eater connection P to ensure proper fit up before assembling the adapter to the heater The adapter R should go completely into the heater connection to ensure proper sealing after sealant is applied a Handle adapters R and heater adapter P carefully to prevent contamination of surfaces b Apply a liberal even coat of VITON BASED RTV high temperature silicone or equivalent to the adapter R approxima...

Page 55: ...pter R to ensure proper fit up before assembling adapter to the heater connection B The adapter R should go completely into the heater adapter to ensure proper sealing after sealant is applied a Handle adapters R and heater connection B carefully to prevent contamination of surfaces Figure 12 11 Stainless steel air intake vent connection A VITON BASED RTV high temperature silicone or equivalent Fi...

Page 56: ...e or a fire which can result in severe personal injury or death WARNING Improper installation of Polypropylene systems may result in injury or death WARNING Use only water based lubricants on joints Never use hydrocarbons based lubricants because they would destroy gaskets Failure to follow this warning could result in excessive levels of carbon monoxide which can result in severe personal injury ...

Page 57: ...D and bolts E 2 Insert vent pipe G into adapter B following instruction of polypropylene pipe manufacturer WARNING Do not insulate polypropylene exhaust pipe nor install into an enclosure closet alcove or any other obstruction thereby preventing the cooling of the exhaust pipe Failure to follow this warning could result in excessive levels of carbon monoxide or a fire which can result in severe pe...

Page 58: ...s vent systems and terminations listed in Figures 12 7 and 12 8 DO NOT mix vent systems of different types or manufacturers unless listed in this manual Failure to comply could result in severe personal injury death or substantial property damage WARNING Fire danger due to flammable materials or liquids Do not store flammable materials and liquids in the immediate vicinity of the heater WARNING He...

Page 59: ...in Figures 12 15 or 12 16 or in a roof as shown in Figure 12 22 WARNING Do not exceed the maximum lengths of the outside vent piping shown in Figures 12 15 12 16 or 12 22 Excessive length exposed to the outside could cause freezing of condensate in the vent pipe resulting in potential heater shutdown 4 Maintain clearances as expected by Venting of Equipment of the National Fuel Gas Code ANSI Z223 ...

Page 60: ...ed the limits given in the Section 12 3 2 You must consider the surroundings when terminating the vent and air a Position the vent termination where vapors will not damage nearby shrubs plants or air conditioning equipment or be objectionable b The flue products will form a noticeable plume as they condense in cold air Avoid areas where the plume could obstruct window views c Prevailing winds coul...

Page 61: ... public walkway At least 3 feet above any forced air intake within 10 feet No closer than 12 inches below or horizontally from any door or window or any other gravity air inlet b Air inlet must terminate at least 12 inches above grade or snow line at least 12 inches below the vent termination c Do not terminate closer than 6 feet horizontally from any electric meter gas meter regulator relief valv...

Page 62: ...and 12 16 Condensate could freeze and block vent pipe 12 10 5 Multiple vent air terminations 1 When terminating multiple heaters terminate each vent air connection as shown in Figure 12 18 WARNING All vent pipes and air inlets must terminate at the same height to avoid possibility of air inlet flue contamination that could result in excessive levels of carbon monoxide which can cause severe person...

Page 63: ...ng winds could cause freezing of condensate and water ice buildup where flue products impinge on building surfaces or plants d Avoid possibility of accidental contact of flue products with people or animals e Do not terminate above any door or window Condensate can freeze causing ice formations f Locate or guard vent to prevent condensate damage to exterior finishes 4 Cut one 1 hole 5 inch diamete...

Page 64: ...shown to avoid recirculation of flue gas WARNING Do not connect any other appliance to the vent pipe or multiple heaters to a common vent pipe Failure to comply could result in severe personal injury death or substantial property damage Figure 12 21 Concentric sidewall multiple heaters terminations 12 INSTALLATION CATEGORY IV Vent and combustion air Vent Combustion air intake NOTICE Keep the termi...

Page 65: ...ve the air intake The air inlet pipe and vent pipe can be located in any desired position on the roof but must always be no further than 2 feet apart and with the vent termination at least 1 foot above the air intake 5 Locate terminations so they are not likely to be damaged by foreign objects such as stones or balls or subject to buildup of leaves or sediment 12 12 2 Prepare roof penetrations 1 A...

Page 66: ...ations provide clearances required by CSA B149 1 Installation Code 3 The air inlet is part of a direct vent connection It is not classified as a forced air intake with regard to spacing from adjacent heater vents Figure 12 24 Alternate vertical terminations with multiple heaters vertically from vent outlet to any air inlet Vent Vent Air intake Air intake NOTICE Keep the terminals at min 12 from gr...

Page 67: ...ppliance one 1 heat cycle to ensure combustion air and vent pipes are properly connected to the concentric vent termination connections 12 13 3 Vertical termination installation 1 Determine the best location for the termination kit see Figure 12 26 2 The total length of piping for vent or air must not exceed the limits given in Section 12 3 3 You must consider the surroundings when terminating the...

Page 68: ...or more direct vent appliances are vented near each other each appliance must be individually vented see Figure 12 27 WARNING NEVER common vent or breach vent this appliance to avoid possibility of severe personal injury death or substantial property damage When two or more direct vent appliances are vented near each other two vent terminations may be installed as shown in Figure 12 27 It is impor...

Page 69: ...increaser 13 INSTALLATION CATEGORY II Vent and combustion air MODEL FLUE SIZE FAMILY OF MATERIAL MANUFACTURER ADAPTER INCREASER AIR INLET VENT ROOF TERMINAL 199 3 to 6 Stainless steel DURAVENT 810005378 810003136 810005375 FSBS6 FSELB9006 FSVL 3606 399 500 4 to 8 Stainless steel DURAVENT 810005545 810005375 810005385 FSBS8 FSELB9008 FSVL 3608 Figure 13 1 Adapter and increaser A B C A B C 020010 01...

Page 70: ...mage from flue gas condensate Follow all requirements in section 5 1 12 2 and 12 9 Follow all requirements for venting flue products to the outdoors with a vertical termination as per section 12 12 Vertical direct vent installation with rooftop combustion air inlet The vertical direct vent system is installed with a Category II flue and a separate combustion air pipe to the outdoors The flue outle...

Page 71: ...e designed to ensure that flue products will be properly exhausted from the building at all times WARNING Failure to use the correct vent increaser or a properly sized vent system may result in excessive levels of carbon monoxide which can cause severe personal injury or death Consult a vent designer to determine the diameter of the common vent pipe required for combined vent installation It is re...

Page 72: ...appliance must be isolated from the gas supply piping system by closing a manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 PSIG 3 5 kPa c The appliance and its gas connection must be leak tested before placing it in operation Figure 14 1 Gas supply piping INSTALL MANUAL SHUT OFF VALVE 5 FT 1 5m ABOVE FLOOR WHERE REQUIRED B...

Page 73: ...the gas supplier for 13 W C maximum pressure 2 Pressure required at gas valve inlet pressure port Maximum 13 W C with no flow lockup or with heater off Minimum 3 W C with gas flowing verify during high fire WARNING Ensure that the high gas pressure regulator is at least 6 10 ft upstream of the appliance Failure to comply could result in severe personal injury death or substantial property damage I...

Page 74: ...step 4 3 If the gas pressure is out of range contact the gas utility gas supplier qualified installer or service agency to determine the necessary steps to provide proper gas pressure to the heater 4 Turn the power switch to the OFF position 5 Shut off the manual gas shut off valve 6 After verifying the correct gas pressures disconnect the manometer turn the screw in pressure connection D in Figur...

Page 75: ...as setting an instruction sheet an orifice per each burner present on the unit Installing in order to make the gas change follow the instructions below 1 turn off the power to the heater 2 close the manual gas shut off valve 3 dismantle the jacket of the heater follow Section 17 2 4 unscrew nut H as per Figure 14 3 5 with the help of a screwdriver remove spring A see figure 14 3 6 remove the gas v...

Page 76: ...tact your distributor or the heater manufacturer see reference in the last cover page Failure to comply with this requirement could result in severe personal injury death or substantial property damage 17 check the capacity of the heater following Section 15 9 18 Attach to the front of the heater the appropriate conversion label found in the conversion kit see Figure 14 8 or Figure 14 9 stating th...

Page 77: ...49 1 and CAN1 B149 2 installation code Figure 14 8 Label for LP gas heater Figure 14 9 Label for Natural gas heater Contents The conversion kit supplied with the heater is composed of the following elements which are necessary for the gas change a label rating stating the new gas setting an instruction sheet an orifice per each burner present on the unit Installing in order to make the gas change ...

Page 78: ...ow Section 17 6 WARNING If heater stays off for more than 3 months repeat the above operation to again fill the condensate trap Failure to follow this warning could result in excessive levels of carbon monoxide which can result in severe personal injury or death 15 START UP 15 2 General warnings concerning gas supply When starting up the heater for the first time the following must be checked That...

Page 79: ...nly when the supply temperature settings is higher than the actual supply temperature Press buttons or to select the desired supply temperature 4 If the display gives a Low water flow error see Section 16 14 repeat the air purging operations 15 6 Ignition control testing After placing the heater in operation the ignition control s safety shutoff function must be tested as follow 1 turn the power s...

Page 80: ...ing the gas supply pressure between 12 WC and 13 WC 7 turn the power switch to on and generate a heat demand by pressing button to its maximum setting Also ensure that the room thermostat is calling for heat and operate downstream the unit to verifiy the system is able to dissipate all heat generated 8 set parameter 2200 to HIgH see section 16 11 for boiler model 199 use parameter 2010 All burners...

Page 81: ...e the CO2 reading with the low fire range given in Figure 14 7 making sure to use the range for the gas type in use The CO2 reading must be inside the specified range If not STOP the heater and call the Factory service department see phone number on the last cover page 11 set parameter 2010 to OFF to return the heater to its normal operating mode 12 close the combustion analysis probe H of Figures...

Page 82: ...ke length match with the rules of Section 12 3 c check that the inlet air filter see Figure 17 5 item B is clean 5 if the capacity input is within tolerance bring parameter 2010 to OFF to return the heater to its normal running mode On models 399 and 500 set parameter 2200 to OFF to return the heater to its normal running mode 6 if the capacity input is higher than the expected value repeat the pr...

Page 83: ...unit indicators Light when burner is burning blinking when burner is in lockout or in blocking error Burner 1 master Burner 2 M Water pressure gauge and indicator of the parameters G Icon indicating access to the installer menu N Supply water temperature gauge and indicator of the parameters value O Unit of measure of the temperature P Icon displayed when the outdoor sensor is active Q Flame cross...

Page 84: ...ey or to setup the supply temperature desired then press RESET key to save the change 5 press key q and p to setup the indirect water heater desired temperature then press RESET key to save the change The flame control appliance will start up the burner If the burner fails to ignite within 60 seconds the heater will automatically attempt ignition another four times after which if it fails to start...

Page 85: ...tched off each time no key is touched for at least 5 minutes with the exception of when it displays errors or settings If you want to leave the display continuously ON set parameter 2100 to 0 zero see Section 16 11 16 USE 16 6 Delays alarms and protective actions To protect the life of the appliance improve comfort and maximize energy savings the following timings have been incorporated into the c...

Page 86: ...val between Lockouts May be 1 MIN 2 HRS 3 DAY 4 WK 1060 Burner 1 Interval between Blocking errors May be 1 MIN 2 HRS 3 DAY 4 WK 1062 Burner 1 Water flow GPM 1101 MULTIBURNER number of burners ON n 1102 MULTIBURNER water heater supply temperature F 1103 MULTIBURNER any Burner into Lockout 1104 MULTIBURNER any Burner into Blocking Error 1106 MULTIBURNER system is in emergency mode 1107 MULTIBURNER c...

Page 87: ...tton will be lost For heaters models 399 and 500 parameters addressed to Burner 1 are applicable for that burner only If you want to see the same parameters for the other burners you have to connect the display to the burner you want to see To do this follow procedure in Section 17 7 The next table lists each parameter what it affects and its adjustment range Custom value column is at your conveni...

Page 88: ...to 36 9 2107 MULTIBURNER calculated setpoint Max offset up F 1 to 36 18 2108 MULTIBURNER calculated setpoint Max offset down F 1 to 36 36 2109 MULTIBURNER next burner start rate 1 to 100 70 2110 MULTIBURNER next burner stop rate 1 to 100 10 2111 MULTIBURNER rotation interval Days 0 to 9 6 2113 MULTIBURNER start modulation delay factor min 0 to 60 0 2114 Burner 1 post local pump time sec 0 to 255 6...

Page 89: ... switch b Check High limit flue temperature fuse WARNING If the high limit temperature fuse melt before any replacement it is mandatory to contact the appliance manufacturer to prevent any permanent damages to the heat exchanger Failure to comply with this requirement can result in excessive levels of carbon monoxide which can result in severe personal injury or death Loc 3 Gas valve lost cable co...

Page 90: ...nt can result in excessive levels of carbon monoxide which can result in severe personal injury or death Loc 26 Internal software error Replace the power control board Loc 27 Flame present with closed gas valve Replace the gas valve Loc 28 Flame present with closed gas valve Replace the gas valve Loc 29 Interlock input when this error happens to burner 1 Master stops other burner a Check LWCO conn...

Page 91: ...de of the heat exchanger c If flue temperature sensor do not match section 17 10 it must be replaced Err 61 Return temperature is higher than 176 F 80 C a Check if temperature sensor match section 17 10 b Check if supply and return pipe are reversed If temperature sensor do not match section 17 10 it must be replaced Err 62 Block drain switch is active this error will stops all modules a Check if ...

Page 92: ...t b Replace the fan or the power control board c Replace the flapper valve or its control sensor See Figure 3 2 items 32 and 33 Err 111 Flapper valve not closed error Check the flapper valve and its control sensor See Figure 3 2 items 32 and 33 Replace the flapper valve or its control sensor See Figure 3 2 items 32 and 33 Err 112 Internal software error Replace the power control board Err 113 Inte...

Page 93: ...7 1 3 Check system water pressure system piping expansion tank Follow Section 17 1 4 Check control settings Follow Section 17 1 5 Check ignition and flame sense electrodes Follow Section 17 1 6 Check wiring and connections Follow Section 17 1 7 Perform start up checkout and performance verification Follow Section 17 1 8 Flame inspection Follow Section 17 1 9 Check flame signal Follow Section 17 1 ...

Page 94: ... should stop firing The boiler will try for ignition five times then should lock out with a Loc 1 error shown on the display Open the manual gas shut off valve and verify your gas meter Gas flow must be zero WARNING Never store combustible materials gasoline or any product containing flammable vapors and liquids in the vicinity of the heater Failure to comply with this warning can result in extens...

Page 95: ...on 15 8 to check the flame signal 2 At high fire and low fire the flame signal parameter 1008 should be within values given in Section 18 header ionisation current A lower flame signal may indicate a fouled or damaged flame sense electrode If cleaning the flame sense electrode does not improve ground wiring is in good condition and ground continuity is satisfactory replace the flame sense electrod...

Page 96: ...nician Failure to comply could result in severe personal injury death or substantial property damage 17 1 12 Check heater area WARNING To prevent potential of severe personal injury death or substantial property damage eliminate all materials discussed below from the heater vicinity and the vicinity of the heater combustion air inlet If contaminants are found Remove products immediately from the a...

Page 97: ...7 2 the green light is ON to access the board see chapter 17 2 Possible verifiable cases 1 Led green on electronic anode in operation 2 Led red on electronic anode failure 3 Both leds off electronic anode off If the red led is ON or both leds are OFF this means that the anode is not working after checking the correct connection of the same proceed as follows to replace the anode 1 Shut the electri...

Page 98: ...ift up by hands cover A 2 remove screws B 3 pull back for 2 inches the upper side of cover C 4 pull up for one inch cover C and remove it from appliance 5 pull back for 2 inches the upper side of cover E 6 pull up for one inch cover E and remove it from appliance 7 pull back from left side the door D 8 pull up the fan cover H Now you can gain access to all components inside heater To gain access t...

Page 99: ... and 500 prepare a suitable cover for the burner units below your actual site if any so that no dirt water or other foreign objects can fall into the burner unit below 3 loosen screws D Figure 17 3 and move up the spark generator A Figure 17 3 4 disconnect the two wires D Figure 17 4 from the ignition electrodes and the wire E Figure 17 4 from the flame detection electrode 5 rotate the air inlet s...

Page 100: ...art number for this gasket is 60703047 Take care that the gasket and its site are clean WARNING Pay attention to the gasket M Figure 17 5 during reassemble When finished perform a leakage test with the burner firing Always use an approved leak detection method Failure to comply with this warning can cause fire extensive property damage severe personal injury or death 18 reassemble the components b...

Page 101: ...20009 01 032 CAUTION If gasket is damaged DO NOT reuse the heat exchanger door must be replaced NOTICE Gasket is intended for sealing combustion If damaged DO NOT reuse the heat exchanger door must be replaced Consult factory for replacement heat exchanger door GASKET HEAT EXCHANGER DOOR ...

Page 102: ...rmal insulations items C and E are showned already disassembled from heat exchanger and burner For replacement information see the spare parts section 17 MAINTENANCE A Fixing screw B Washer C Thermal Insulation D Stainless steel tube E Thermal Insulation F White thermal insulation G Burner H Gasket L Ignition electrodes M Screws N Detection Electrode Q White thermal insulation R Gasket S Gasket ...

Page 103: ...f heater the distances listed above shall be verified very carefully also using a hand caliper 17 MAINTENANCE 17 5 Clean the air filter For the heater to work properly the air filter must be clean A dirty air filter can cause a power input reduction of the unit resulting in system malfunctions Operate as follows in order to clean the air filter 1 follow the steps in Section 17 2 to gain access to ...

Page 104: ...ater will immediately exit and must be collected into the presaid bucket Leaking condensate water may cause severe property damage 5 pull completely out the condensate box A from heater 6 open cover C Figure 17 11 in the upper direction 7 inspect the condensate box making sure the collection box is intact 8 examine neutralizer media and refill as necessary with fresh media 9 fill with fresh water ...

Page 105: ...7 12 1 turn off the electrical power 2 follow the steps in Section 17 2 to remove the cover and gain access to the internal components 3 disconnect plug B plug coming from display from plug A plug coming from Burner 1 Master 4 connect plug B to the plug C 5 once you moved the display plug turn on power to the appliance 6 now display will show all information related to the Burner 2 To make any cha...

Page 106: ...ug A plug coming from Burner 1 Master 4 disconnect all other plugs from Burner 1 Master control board 5 remove the Burner 1 Master control board from the appliance 6 follow step 3 to 5 above to remove the board of Burner 2 7 install this last control board in the site where there where the Burner 1 Master control board 8 reconnect all plugs to this board 9 move Switch S4 as per Figure 17 13 from O...

Page 107: ... and wait for all water to drain 7 if unit isolation valves have not been installed open any bleed valves at the highest point of the system 8 after draining out all the water close the bleed valves and the unit drain valves NOTICE The heater cannot be drained completely of water without purging the unit with an air pressure of 60 psi Proceed as follow 1 completely drain the water as per steps abo...

Page 108: ...tion 17 12 WARNING Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation after servicing Failure to comply with this warning can cause extensive property damage severe personal injury or death ...

Page 109: ...de l entretien des commandes étiquetez tous les fils avant de les débrancher Des erreurs de câblage peuvent entraîner un fonctionnement inadéquat et dangereux S assurer que l appareil fonctionne adéquatement une fois l entretien est terminé ...

Page 110: ...NG Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation after servicing Failure to comply with this warning can cause extensive property damage severe personal injury or death ...

Page 111: ...ment de l entretien des commandes étiquetez tous les fils avant de les débrancher Des erreurs de câblage peuvent entraîner un fonctionnement inadéquat et dangereux S assurer que l appareil fonctionne adéquatement une fois l entretien est terminé ...

Page 112: ...112 17 MAINTENANCE ...

Page 113: ...28 Blocked flue pressure switch 29 Condensate blocked drain switch 32 Main electrical switch 34 Display 35 IF 885 board Optional Fuse F1 5x20 3A 41 CH pump relay 42 DHW pump relay 47 Water Flow meter 48 Motorized valve N A 49 Local pump relay 50 Primary heat exchanger temperature fuse 51 Connection board Fuse F1 5x20 10A Fuse F2 5x20 10A Fuse F3 5x20 3A Fuse F4 5x20 3A Fuse F6 5x20 3A 53 Electroni...

Page 114: ...250 NOx 0 O2 with natural gas ppm 30 30 CO2 Carbon dioxide for Natural gas at high fire 8 4 to 8 7 8 8 to 9 1 CO2 Carbon dioxide for Natural gas at low fire 8 4 to 8 7 8 8 to 9 1 CO2 Carbon dioxide for LP gas at high fire 9 5 to 10 9 5 to 10 CO2 Carbon dioxide for LP gas at low fire 10 5 to 11 5 10 5 to 11 5 O2 Oxygen for Natural gas at high fire 5 9 to 5 4 5 2 to 4 7 O2 Oxygen for Natural gas at ...

Page 115: ... LP gas ppm 250 250 NOx 0 O2 with natural gas ppm 30 30 CO2 Carbon dioxide for Natural gas at high fire 8 4 to 8 7 8 8 to 9 1 CO2 Carbon dioxide for Natural gas at low fire 8 4 to 8 7 8 8 to 9 1 CO2 Carbon dioxide for LP gas at high fire 9 5 to 10 9 5 to 10 CO2 Carbon dioxide for LP gas at low fire 10 5 to 11 5 10 5 to 11 5 O2 Oxygen for Natural gas at high fire 5 9 to 5 4 5 2 to 4 7 O2 Oxygen for...

Page 116: ...116 19 SPARE PARTS Spare parts ...

Page 117: ...ING Only use the heater in combinations and with the spare parts listed in this manual Failure to do so can cause severe personal injury or death Spare parts for models 199 250 DESCRIPTION MOD AM 199R A AM 250R B 199 and 250 ...

Page 118: ... 31 36 39 38 52 48 51 49 54 47 43 10 50 11 10 29 28 13 27 12 6 5 4 9 7 44 24 36 130 2 25 23 32 37 40 41 22 8 3 33 1 32 14 45 46 1 20 19 18 16 15 17 35 21 34 30 26 42 53 31 36 39 38 52 48 51 49 54 47 43 10 50 11 10 29 28 13 27 12 6 5 4 LP to NAT NAT to LP USER S INSTRUCTION INSTALLER S INSTRUCTION NEUTRALISING LIMESTONE 020021 03 001 ...

Page 119: ...119 19 SPARE PARTS 199 and 250 73 133 133 66 57 70 65 61 58 57 55 56 57 72 65 132 74 132 71 69 57 65 64 62 63 59 60 68 62 67 020021 03 002 ...

Page 120: ...10 121 100 119 112 115 113 86 118 117 125 108 80 131 107 106 105 103 84 80 76 83 82 89 88 87 99 85 101 104 89 128 129 125 78 91 93 92 95 98 90 109 124 122 123 120 81 77 82 94 103 96 102 114 76 79 79 75 97 110 89 126 89 90 116 112 111 127 110 121 100 119 112 115 113 86 118 117 125 108 80 131 107 106 105 103 84 80 76 83 82 89 88 87 99 85 101 104 89 020021 03 003 ...

Page 121: ...10 A DELAYED GLASS AB 19 60507059 CONNECTION BOARD 160X100 AB 20 60503026 FUSE 3A DELAYED GLASS AB 21 62113046 PRESSURE SWITCH ON 3 2 INWC AB 22 60702097 GASKET D 119 H 18 I 94 AB 23 60503064 RELAY 115V 16A EXCHANGE AB 24 62110071 SENSOR 10K D6X45 L 2500 T AB 25 62110067 OUTDOOR SENSOR AB 26 62417028 AM 199R 500R USER INSTRUCTIONS AERCO AB 27 62403631 AM 199R 500R INSTALLER INSTRUCTIONS AERCO AB 2...

Page 122: ... D 28 AB 63 62101079 AUTOMATIC SAFETY THERMOSTAT 95 C AB 64 60801100 SCREW SELFTAPPING 2 9 X 6 5 CROSS HEAD AB 65 60701008 1 1 2 GASKET AB 66 62621154 COPPER TUBE D28 F F 1 1 4 1 1 4 AB 67 61212014 VORTEX FLOW SENSOR AB 68 62621187 COPPER TUBE D28 F F 1 1 4 1 1 4 NO VALV AB 69 60110048 BRASS NIPPLE 1 1 4 F 29 H 52 AB 70 60101268 REDUCTION 1 1 4 1 1 2 F 31 AB 71 62621204 RETURN PIPE BOILER PUMP AB ...

Page 123: ... BURNER D 70 H200 AB 108 60701021 GASKET S WOLL PLUS D 100 SP 2 AB 109 60703047 SIL GASKET D 200 F 188 H 7 2 AB 110 60801014 SCREW 4X10 ZINC TC CR AB 111 60101224 FLANGE GAS 32X32 3 4P AB 112 60702029 O RING 130 2 62 X 22 22 AB 113 60404253 FLANGE L21 2 H34 SP1 AB 114 60815013 PIREX GLASS D15 5 SP5 AB 115 60701013 GASKET FRIZITE D15 5 F11 5 SP1 5 AB 116 62651054 HIGH POWER SILENCER GROUP AB 117 60...

Page 124: ...ING Only use the heater in combinations and with the spare parts listed in this manual Failure to do so can cause severe personal injury or death Spare parts for models 399 500 DESCRIPTION MOD AM 399R A AM 500R B 399 and 500 ...

Page 125: ...3 10 21 11 50 28 29 13 23 24 27 26 20 19 36 37 12 12 17 18 1 16 15 9 2 4 3 8 5 6 7 22 25 44 1 22 40 40 41 32 39 38 32 14 10 46 45 36 42 30 31 54 53 34 35 47 49 52 51 50 48 43 33 10 21 11 50 28 29 13 23 24 27 26 20 19 36 37 12 12 17 18 1 16 15 LP to NAT NAT to LP USER S INSTRUCTION NEUTRALISING LIMESTONE INSTALLER S INSTRUCTION 020022 03 001 ...

Page 126: ...126 19 SPARE PARTS 399 to 500 72 65 59 68 67 68 57 57 61 57 57 60 56 55 58 73 57 133 74 132 65 133 132 71 69 57 57 69 67 66 66 57 62 63 64 62 57 59 58 64 63 62 62 70 61 65 60 020022 03 002 ...

Page 127: ...0 121 100 112 115 113 119 86 118 117 125 108 80 131 107 106 105 103 84 80 76 83 82 89 88 87 99 85 101 104 89 128 129 125 91 109 124 122 123 82 93 92 94 103 96 95 120 76 81 78 77 79 79 75 98 90 102 97 110 114 89 126 89 90 116 112 111 127 110 121 100 112 115 113 119 86 118 117 125 108 80 131 107 106 105 103 84 80 76 83 82 89 88 87 99 85 101 104 89 020021 03 004 ...

Page 128: ...0 A DELAYED GLASS CD 19 60507059 CONNECTION BOARD 160X100 CD 20 60503026 FUSE 3A DELAYED GLASS CD 21 62113046 PRESSURE SWITCH ON 3 2 INWC CD 22 60702097 GASKET D 119 H 18 I 94 CD 23 60503064 RELAY 115V 16A EXCHANGE CD 24 62110071 SENSOR 10K D6X45 L 2500 T CD 25 62110067 OUTDOOR SENSOR CD 26 62417028 AM 199R 500R USER INSTRUCTIONS AERCO CD 27 62403631 AM 199R 500R INSTALLER INSTRUCTIONS AERCO CD 28...

Page 129: ... D 28 CD 63 62101079 AUTOMATIC SAFETY THERMOSTAT 95 C CD 64 60801100 SCREW SELFTAPPING 2 9 X 6 5 CROSS HEAD CD 65 60701008 1 1 2 GASKET CD 66 62621154 COPPER TUBE D28 F F 1 1 4 1 1 4 CD 67 61212014 VORTEX FLOW SENSOR CD 68 62621187 COPPER TUBE D28 F F 1 1 4 1 1 4 NO VALV CD 69 60110048 BRASS NIPPLE 1 1 4 F 29 H 52 CD 70 60101268 REDUCTION 1 1 4 1 1 2 F 31 CD 71 62621203 RETURN PIPE HEATER PUMP CD ...

Page 130: ... BURNER D 70 H200 CD 108 60701021 GASKET S WOLL PLUS D 100 SP 2 CD 109 60703047 SIL GASKET D 200 F 188 H 7 2 CD 110 60801014 SCREW 4X10 ZINC TC CR CD 111 60101224 FLANGE GAS 32X32 3 4P CD 112 60702029 O RING 130 2 62 X 22 22 CD 113 60404253 FLANGE L21 2 H34 SP1 CD 114 60815013 PIREX GLASS D15 5 SP5 CD 115 60701013 GASKET FRIZITE D15 5 F11 5 SP1 5 CD 116 62651054 HIGH POWER SILENCER GROUP CD 117 60...

Page 131: ...tton and q button for the time in seconds displayed q Push q button p Push p button Parameters shown during normal operations See Section 16 12 User s menu parameters see Section 16 10 Gain access to users menu see Section 16 10 Gain access to installers menu see Section 16 11 Exit from users menu Exit from installers menu Where Installers menu parameters see Section 16 11 Changing of the paramete...

Page 132: ...thermistor type 10 10kohms 12 12kohms 3010 Other thermistor type 10 10kohms 12 12kohms 3011 Pump MODE 0 Local pump 1 N A 2 N A 3 N A 3012 DHW mode 0 no DHW 1 DHW store with sensor 2 DHW store with thermostat 3 N A 4 N A 5 N A 3013 Reset Err 115 EnAb Enabled dISA Disabled 3015 Reset curve design Maximum heating supply temperature This parameter is overruled by 3017 parameter 68 F to 194 F 3016 Rese...

Page 133: ...fied technician for the setting of the appliance To enter this menu operate as follow 1 turn the main electrical supply Off 2 press and hold in the same time RESET key and q key 3 keeping the before mentioned button pressed turn the power on 4 wait until the word init is displayed or until display start to show the 3000 parameters 5 leave before the RESET button and after the q key 6 parameters 30...

Page 134: ...orized valve if any closes Is the DHW temp decreases Water heater load matching Supply or DHW temperature is satisfied If the water flow higher than 3 9 GPM After 3 minutes Err 114 Burners will disable Are all burner operating Trial for ignition 50 of the capacity Adequate gas pressure flow Burner in operation Is this a single burner unit 15 seconds delay Is the burner capacity over 70 Another bur...

Page 135: ......

Page 136: ...AX 845 580 8090 AERCO declines every responsibility for the possible inaccuracies if owed to errors of transcript or press Also AERCO reserves the right to bring those changes that will hold necessary to its own products or profits without jeopardizing its essential characteristics ...

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