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LP-496 REV. 11.23.15

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.

DANGER

indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

WARNING

indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION

indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.

CAUTION

used without the safety alert symbol indicates a potentially hazardous situation which, if not avoided, may result in property

damage.

NOTICE

is used to address practices not related to personal injury.

SAFETY INSTRUCTIONS

(or equivalent) signs indicate specific safety related instructions or procedures.

NOTE:

Contains additional information important to a procedure.

Summary of Contents for EFTC-140F

Page 1: ...ad by weight as required by the Safe Drinking Water Act Section 1417 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 ...

Page 2: ...2 LP 496 REV 11 23 15 ...

Page 3: ... not avoided could result in death or serious injury CAUTION indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury 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 SAFETY INSTRUCTIONS S...

Page 4: ...MPLY WITH Local state provincial and national codes laws regulations and ordinances The latest version of the National Fuel Gas Code ANSI Z223 1 from American Gas Association Laboratories 8501 East Pleasant Valley Road Cleveland OH 44131 In Canada CGA No B149 latest version from Canadian Gas Association Laboratories 55 Scarsdale Road Don Mills Ontario Canada M3B 2R3 Also Canadian Electrical Code C...

Page 5: ...ST VENT AND INTAKE PIPE 21 E VENT TERMINATION 22 1 Two Pipe Roof and Sidewall Vent Terminations 22 2 Direct Vent Optional Horizontal and Vertical Vent Kits 23 3 Screen Installation 23 PART 6 INSTALL THE CONDENSATE DRAIN 24 PART 7 GAS PIPING 25 A GAS PIPE SIZING TABLES 25 1 Gas Pipe Sizing 25 2 Natural Gas Pipe Sizing 25 3 LP Liquid Propane Gas Pipe Sizing 26 B GAS CONNECTION REQUIREMENTS 26 PART 8...

Page 6: ...START UP PREPARATION 52 A CHECK CONTROL WATER CHEMISTRY 52 B CHECK FOR GAS LEAKS 52 C FILL AND TEST WATER SYSTEM 53 D PURGE AIR FROM CH AND INTERNAL STORAGE TANK 54 E PURGE AIR FROM DHW SYSTEM 54 F CHECK THERMOSTAT CIRCUIT S 54 G CONDENSATE REMOVAL 55 H FINAL CHECKS BEFORE STARTING APPLIANCE 55 I ADJUSTING GAS PRESSURE AT THE APPLIANCE 55 J SETTING AND VERIFYING THE COMBUSTION SETTING 56 PART 12 I...

Page 7: ...ach Condensate Hose 7855P 089 1 Condensate Adapters and Instruction Sheet 7855P 087 1 kit CH Pressure Relief Valve With X 1 Bushing CH Line 30 psi 7855P 077 1 Each Vent Screens 3 7855P 085 2 Screens Outdoor Sensor with Screws and Anchors 7855P 084 1 Venting Kit for Combi Boiler 3 CPVC S7855 002 6 Length X Bell Coupling for Gas Line 7855P 086 1 Spare Parts Kit Gaskets and O Rings 7855P 088 1 ...

Page 8: ...icant increase in CO concentration To avoid serious injury or death DO NOT make any adjustments to the gas valve without monitoring the exhaust gases with a fully functional and calibrated flue gas analyzer Failure to follow these statements will result in property damage severe personal injury or death This appliance must be installed by a licensed plumber licensed gas fitter and or professional ...

Page 9: ...IRE 2 DAMAGE 3 WATER This appliance is equipped with a three prong plug It should only be plugged directly into a properly grounded three prong receptacle DO NOT remove the ground plug from the plug DO NOT alter or modify the appliance or appliance controls This can be dangerous and WILL VOID the warranty Failure to follow these statements could result in property damage severe personal injury or ...

Page 10: ...ays verify proper operation after servicing the appliance E WATER QUALITY Potable water is defined as drinkable water supplied from utility or well water in compliance with EPA secondary maximum contaminant levels 40 CFR Part 143 3 as shown in Table 2 It is important to ensure the water quality is within these determined limits If your water contains contaminants higher than outlined by EPA then w...

Page 11: ... Ignition Automatic Flame Sensing Burner System Single Orifice Premixed Fuel Modulation Ceramic Fiber Infrared Gas Valve System Combination Modulating Current Proportional Internal Pipe Material Copper Dimensions W 15 7 H 53 D 26 8 Storage Tank Water Capacity DHW Under 15 Gallons Main Controller Control Panel GTX 920C P 920C_CB HTP CH Pressure Min 15 PSI Max 30 PSI DHW Pressure Max 150 PSI Connect...

Page 12: ...L NPTM A Gas Connection Adapter NPT X Bell Coupling Provided to Upsize Gas Line B CH Supply Adapter 1 C CH Return Adapter 1 D DHW Outlet Adapter E DHW Inlet Adapter F Condensate Adapter G Drain Adapter H Exhaust Vent Connection 3 I Intake Pipe Connection 3 Table 4 EFT 140C Adapter Specifications ...

Page 13: ... Adapter 8 Exhaust Pipe 24 Heat Exchanger 9 Internal CH Pump 25 Gas Inlet Adapter 10 Mixing Valve 26 Gas Valve 11 Internal Recirculation Pump DHW 27 Air Vent 12 Water Discharge Adapter 28 Ignition Transformer 13 Water Discharge Valve 29 Igniter 14 Internal Storage Tank 30 Air Intake Pipe 15 Condensate Trap Adapter 31 Air Intake Adapter 16 Condensate Hose 1 Table 5 EFT 140C Component List PART 4 PR...

Page 14: ...as the casing as well as internal surfaces such as the heat exchanger are directly influenced by proximity to damp and salty marine environments In such areas higher concentration levels of chlorides from sea spray coupled with relative humidity can lead to degradation of the heat exchanger and other appliance components In these environments appliances must not be installed using direct vent syst...

Page 15: ...e or appliance treatments into the appliance or any piping meant for potable water purposes Ensure that all piping and components connected to the appliance are suitable for potable water applications Do not use this appliance only for space heating applications Circulators suitable for DHW applications must be used Failure to follow these instructions could result in property damage personal inju...

Page 16: ...t may be necessary to remove the appliance from the space to perform maintenance Failure to consider maintenance when determining installation location could result in property damage E RESIDENTIAL GARAGE CLOSET AND ALCOVE INSTALLATIONS Check with your local Authority Having Jurisdiction for requirements when installing appliance in a garage closet or alcove Please read the entire manual before at...

Page 17: ... areas always contain contaminants Contaminated air will damage the appliance resulting in possible substantial property damage severe personal injury or death 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...

Page 18: ...ermining exhaust vent termination Moisture may fall from the vent termination to the ground and turn to ice in freezing conditions Moisture or ice can produce a hazardous condition Exhaust condensate is acidic and could deteriorate the surface below the exhaust vent termination Ensure this surface is in good repair sealed painted etc to prevent deterioration Pitch the exhaust vent pipe back to the...

Page 19: ...a parapet wall ensure the exhaust vent terminates a minimum of 10 from nearest wall and extends level with or above the top of the wall This will ensure flue gas does not get trapped and possibly recirculated into the intake air pipe which could contaminate the combustion air Figure 6 Vent Termination Detail DESCRIPTION US CANADA A Clearance above grade veranda porch deck or balcony 1 foot 1 foot ...

Page 20: ...te non metallic exhaust vent pipe or fittings DO NOT obstruct the flow of combustion or ventilation air When using Pipe Cement Primer follow the instructions included with the Cement Primer closely Clean and dry all applicable surfaces before applying Failure to follow these directions will result in substantial property damage severe personal injury or death Table 9 Approved Venting Materials Ven...

Page 21: ...ncluded 6 length of 3 CPVC pipe BEFORE venting the appliance could result in product damage severe personal injury or death This appliance uses 2 or 3 diameter pipe for exhaust vent and intake pipe In order to use 2 pipe it is required to reduce pipe size in a vertical length of pipe with a reducing coupling not included Follow the steps below to install 2 or 3 pipe into the appliance collar See F...

Page 22: ... supported and the exhaust must be pitched a minimum of per foot back to the appliance to allow drainage of condensate When placing support brackets on vent piping the first bracket must be within 1 foot of the appliance and the balance at 4 foot intervals on the vent pipe Appliance venting must be readily accessible for visual inspection for the first three feet from the appliance ...

Page 23: ... 4 foot intervals on the vent pipe Appliance venting must be readily accessible for visual inspection for the first three feet from the appliance 3 Screen Installation After connecting the intake air and exhaust vent pipes it is required to install the included screens into the exhaust vent and intake pipe terminations to prevent damages to the unit due to blockages Clean the vent terminations and...

Page 24: ... a disposal for waste water from the washing machine draining the condensate into this tub allows the soapy water discharge to neutralize the acidic condensate 5 An error will appear on the appliance display if condensate line is blocked The appliance will not operate with a blocked condensate line It is extremely important to have this condition repaired by a qualified service technician NOTE Thi...

Page 25: ... the appliance is set to operate on the provided gas supply could result in property damage personal injury or death A GAS PIPE SIZING TABLES 1 Gas Pipe Sizing This information is for reference use only Refer to gas pipe manufacturer specifications for actual delivery capacity The DOE standard for Natural Gas is 1100 BTU ft 3 Contact the local gas supplier for actual BTU ft 3 rating 2 Natural Gas ...

Page 26: ... 2370 2200 1950 1570 Table 14 Liquid Propane Delivery Capacity Black Iron Pipe Refer to ANSI Z223 1 National Fuel Gas Code Latest Edition B GAS CONNECTION REQUIREMENTS 1 The gas connection fitting on the appliance is male NPT A X Bell Coupling has been provided with the appliance to aid installation NOTE The pipe size must not be less than 2 The supply line must be sized for the maximum output of ...

Page 27: ...CONNECTION GUIDELINES Pipe material must be suitable to meet local codes and industry standards The pipe must be cleaned and without blemish before any connections are made Do not apply a torch within 12 of the appliance Doing so could damage the appliance Such damages ARE NOT covered by product warranty The size of the hot water pipe should be diameter and the central heating water pipe should be...

Page 28: ... 15 Figure 17 Piping Legend B DHW PIPING Use both thread tape and pipe dope to connect to the domestic water inlet and outlet A shut off valve between the city water supply and DHW inlet is recommended for ease of service ...

Page 29: ...ddition SUCH FAILURE IS NOT COVERED BY WARRANTY 2 The expansion tank must be located following recognized design methods See expansion tank manufacturer s instructions for details 3 Connect the expansion tank to the air separator only if the air separator is on the suction side of the circulator Always install the system fill connection at the same point as the expansion tank connection to the sys...

Page 30: ...flanges The alternative is standard flanges with full port ball valves Purge valves can be used with circulator flanges as an alternative 6 Piping shown is Primary Secondary System flow secondary loop must be greater than the appliance s primary loop flow 7 Install a minimum of 12 diameters of straight pipe upstream of all circulators 8 VERY IMPORTANT Minimum flow rates outlined in this manual mus...

Page 31: ...er and CH piping should be 1 in diameter 5 Circulators are shown with isolation flanges The alternative is standard flanges with full port ball valves Purge valves can be used with circulator flanges as an alternative 6 Piping shown is Primary Secondary System flow secondary loop must be greater than the appliance s primary loop flow 7 Install a minimum of 12 diameters of straight pipe upstream of...

Page 32: ...lation flanges The alternative is standard flanges with full port ball valves Purge valves can be used with circulator flanges as an alternative 6 Piping shown is Primary Secondary System flow secondary loop must be greater than the appliance s primary loop flow 7 Install a minimum of 12 diameters of straight pipe upstream of all circulators 8 VERY IMPORTANT Minimum flow rates outlined in this man...

Page 33: ...SSURE LOSS HEAD FT VELOCITY FT SEC 4 0 005 0 01 1 6 6 0 011 0 025 2 3 8 0 019 0 044 3 1 10 0 028 0 064 3 9 12 0 040 0 092 4 7 14 0 053 0 122 5 4 16 0 068 0 157 6 2 NOMINAL PIPE SIZE 1 INCH FLOW GPM PRESSURE LOSS PSI FT PRESSURE LOSS HEAD FT VELOCITY FT SEC 6 0 004 0 009 1 5 9 0 008 0 018 2 3 12 0 014 0 032 3 1 15 0 022 0 051 3 8 18 0 03 0 069 4 6 21 0 04 0 092 5 4 24 0 052 0 12 6 1 27 0 064 0 148 ...

Page 34: ...e relief valve with a pressure rating greater than 30 psi or a DHW relief valve with a pressure rating greater than 150 psi These are the maximum allowable relief valve settings for this appliance A DHW pressure relief valve is not included with the appliance and is to be field supplied and installed After installing the relief valve and filling and pressurizing the system test the operation of th...

Page 35: ...er supply at service entrance panel before making any electrical connections to avoid possible electric shock hazard Failure to do so could result in property damage serious personal injury or death A GENERAL OPERATING CONDITIONS Temperature o Operating Ambient Temperature Range 14 140 o F 10 to 60 o C o Operating Relative Humidity Up to 90 at 104 o F 40 o C B WIRING INFORMATION 1 This appliance m...

Page 36: ...ITCH GROUP DIP SWITCH OFF ON 1 3 DO NOT MOVE DO NOT MOVE 4 Vent Size 2 3 5 Gas Type LP NG 6 High Fire Normal Operation High Fire 7 Low Fire Normal Operation Low Fire Table 18 DIP Switch Group SYSTEM CONTROL SETTINGS MAXIMUM FLAME DETECTING VOLTAGE 2 5V PRE PURGE TIME Tp Maximum 10 seconds minimum 1 second SAFETY TIME IGNITING TIME Ts 3 5 seconds IGNITING INTERVAL TIME 10 seconds POST PURGE TIME Ti...

Page 37: ...37 LP 496 REV 11 23 15 Figure 24 Electrical Wiring Diagram ...

Page 38: ...38 LP 496 REV 11 23 15 Figure 25 Ladder Diagram ...

Page 39: ...485 SELV 5V DC 5 RS485 CN4 LWD1140 06 1 FAN Unused 2 GND SELV 14V DC 3 VDD SELV 14V DC 4 Fan power start coil SELV 8 26 5V AC 5 Fan power end coil 6 Fan speed feedback signal SELV 14V DC CN8 SMW250 04 1 MCU ISP GND SELV 5V DC 2 ISP Reset Port 3 ISP TOOL0 Data Port 4 VCC CN11 LWD1140 16 1 HWL Not Used SELV 12V AC 8 2 LWL Low Water Level Leakage Sensor 10 3 HD Central Heating Demand SELV 5V DC 11 4 ...

Page 40: ...r 12 6 ST S Storage Temperature Sensor 13 7 SP S CH Over Heat Temperature Sensor 14 CN14 SMW250 09 1 DHM GND SELV 14V 2 DHM Stepper Motor Position 3 VDD 4 DHM Stepper Motor Coil X Phase 5 DHM Stepper Motor Coil Y Phase 6 VDD 7 DHM Stepper Motor Coil X Phase 8 DHM Power IWM Stepper Motor Coil Y Phase 9 Unused CN3 SMW250 06 4 FLUX1 VCC SELV 5V 5 Water Flow Sensor 6 GND CN5 SMW250 10 1 RPM Fan RPM Ch...

Page 41: ...a button is pressed The display has timed out for approximately 2 minutes C START UP SEQUENCE After the appliance is powered ON the LCD display shows a sequence of information The icons will flash followed by various indicators that describe the appliance controller and software versions It will take the appliance roughly 15 seconds to cycle through the Start Up Sequence After start up the display...

Page 42: ...e button when the display panel is powered ON The current DHW set point will display The DHW icon will flash Then press and hold the button for five seconds The scald warning letter H high temperature will display High temperature DHW Set Point range is 121 140 o F 49 5 60 o C Turn the dial counterclockwise to lower and clockwise to raise the DHW set point After changing the temperature press the ...

Page 43: ...follows Figure 32 Storage Mode Screen H STATUS DISPLAY MODE Status Display Mode will activate when the button is pressed and held for five seconds when the display panel is powered ON Figure 33 Status Mode Screens Turn the dial counterclockwise and clockwise to scroll through the displayed parameters To view parameter details press the button at the appropriate screen Press the or buttons to leave...

Page 44: ...IH Ignition cycles Cycle 10 000 times P Ou Displays output condition for Internal recirculation pump and heating pump Items 1st 2nd 3rd Internal DHW Storage pump Internal CH Primary Pump Not Used Stop Operation Table 22 Status Mode Display Screen Descriptions I INSTALLER MODE Installer Mode will activate when the button is pressed and held for five seconds while the display is powered OFF If the d...

Page 45: ...water temperature falls below 153 o F Range 9 27 o F 15 OF 68 F Warm Weather Shutdown This warm weather temperature setting will shut down CH Mode Range 50 110 o F 16 cH 180 F Maximum supply temperature Sets the maximum design supply temperature based on the minimum outdoor design temperature Maximum supply temperature must be set 9 o F above the minimum supply temperature Range Minimum Supply Tem...

Page 46: ...ile in operation Ensure pressure is between 3 5 and 14 WC 2 Check gas valve wire Ensure connection is secure 3 Check flame detection sensor Ensure connections are secure Normal operating settings are more than 2 5DC before ignition less than 2 5DC after ignition 4 Check igniter transformer for proper connection 5 Clean the spark igniter with steel wool to remove oxides Ensure proper separation 3 4...

Page 47: ...Error Code will go away when supply voltage returns to normal operating range If Error happens again 1 Ensure appliance is properly wired to a power source meeting the requirements on the rating plate 2 If problem persists replace the main control Er 37 Abnormal Supply Frequency Supply frequency is too high to operate This Error Code will go away when supply frequency returns to normal operating r...

Page 48: ...em persists replace the main control Er 76 Poor Communication This Error Code will go away when the condition is remedied If Error happens again 1 Check connections from main control to display panel 2 If the problem persists replace the display and or the main control Er 80 Low Water Level Sensor Low Water Level Detected Four 4 Consecutive times This Error Code will go away when the condition is ...

Page 49: ...49 LP 496 REV 11 23 15 K ERROR TREE ANALYSIS 1 FLAME DETECTION Figure 36 Flame Detection Error Analysis Tree 2 GAS DETECTION Figure 37 Gas Detection Error Analysis Tree ...

Page 50: ... an exterior surface of the building preferably on the north side in an area that will not be affected by direct sunlight and will be exposed to varying weather conditions NOTE For correct mounting procedures follow instructions provided with the sensor NOTE If sensor wires are located in an area with sources of potential electromagnetic interference EMI the sensor wires should be shielded or the ...

Page 51: ... block shown in Piping Diagrams this manual Caution should be used to ensure that the 0 10 VOLT connection does not become connected to ground NOTE Ensure that the polarity of the connections from the external modulating appliance controller to the appliance is correct Reversed polarity could lead to erratic and or no response from the appliance controller NOTE Outdoor Temperature Mode Icon on the...

Page 52: ...be required If you suspect that your water is contaminated in any way discontinue use of the appliance and contact an authorized technician or licensed professional Contaminant Maximum Allowable Level Contaminant Maximum Allowable Level Total Hardness 200 mg l 12 grains gallon Manganese 0 05 mg l Aluminum 0 05 to 0 2 mg l pH 6 5 8 5 Chloride 250 mg l Sulfate 205 mg l Copper 1 mg l Total Dissolved ...

Page 53: ... leak shut down the appliance at once Find the leak source with a bubble test and repair immediately Do not start the appliance again until the leak is repaired Failure to comply could result in substantial property damage severe personal injury or death C FILL AND TEST WATER SYSTEM Ensure the appliance is full of water before firing the burner Failure to do so will damage the appliance Such damag...

Page 54: ...ill come on Run pumps as required to help bleed out all entrapped air Some good indicators that air is removed include the absence of gurgling noises in the pipes and pump operation becoming very quiet Test mode will stop automatically after the set time default is five minutes or press the button to leave it manually l After the system has operated for some time eliminate any residual air by usin...

Page 55: ...H FINAL CHECKS BEFORE STARTING APPLIANCE 1 Verify the appliance and system are full of water and all system components are correctly set for operation 2 Fill the condensate trap with water 3 Verify electrical connections are correct and securely attached 4 Inspect exhaust vent and intake piping for signs of deterioration from corrosion physical damage or sagging Verify exhaust vent and intake pipi...

Page 56: ... whistling sound harmonics at low fire adjust the offset screw in a clockwise positive direction approximately 1 8 turn Check your combustion values and ensure they agree with those stated in Table 28 before proceeding It is very important that this conversion be set within the recommended CO measurements listed in Table 28 Visually looking at the burner does not determine combustion quality Failu...

Page 57: ...l supply line no less than in diameter length and diameter adequate to deliver the required BTUs union and shut off valve installed etc Does the gas type match the type indicated on the appliance rating plate Has gas supply line pressure been measured between 3 5 and 14 WC Has the gas supply line been leak tested per locally approved methods 5 Pressure Relief Valves Have you installed approved pre...

Page 58: ...62 4 28409 4 99200 5 48440 5 22152 5 74229 14 38045 14 17408 14 56090 23 30107 23 13782 23 42790 32 23998 32 10990 32 32930 41 19261 41 8824 41 25550 50 15562 50 7131 50 19990 59 12655 59 5800 59 15760 68 10353 68 4747 68 12510 77 8520 77 3906 77 10000 86 7051 86 3233 86 8050 95 5867 95 2690 95 6520 104 4908 104 2250 104 5310 113 4125 113 1891 113 4350 122 3485 122 1598 122 3590 131 2957 131 1356 ...

Page 59: ...ust the outlet water temperature refer to the procedure in this manual 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 is not hot enough Is th...

Page 60: ...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...

Page 61: ...ct the primary pressure relief valve and discharge pipe for signs of weeping or leakage If the pressure relief valve often weeps 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 While the appliance is running check the discharge end of the condensate drain tubing Ensure no flue...

Page 62: ...ommended to flush the DHW heat exchanger annually if water hardness exceeds 12 grains per gallon considered extremely hard water If water hardness falls below 12 grains per gallon it is recommended to flush the heat exchanger every two to three years NOTE Improper maintenance WILL VOID appliance warranty 1 Disconnect electrical power to the appliance 2 Close the shutoff valves on both hot water ou...

Page 63: ...O NOT reinstall the trap Replace the entire assembly Do not install the condensate assembly if a component is lost or missing Replace the entire assembly Failure to follow this warning could result in property damage serious personal injury or death 6 Fill the condensate trap with fresh water prior to reassembly on the appliance 7 Install the condensate trap on the condensate hose from the heat ex...

Page 64: ...of condensate If condensate freezes in the line or if line is obstructed in any other manner condensate can exit from the tee resulting in potential water damage to property 10 If the appliance has a condensate pump ensure the pump operates properly before considering maintenance complete ...

Page 65: ... Air Pressure Switch 7855P 098 17 Condensate Air Pressure Switch 7855P 017 6 Ignition Transformer 7855P 007 18 Drain Adapter 7855P 018 7 Main Control Board PCB 7855P 008 19 Condensate Adapter 7855P 019 8 Main Control Board PCB Bracket 7855P 009 20 DHW Inlet Adapter 7855P 020 9 N A N A 21 DHW Outlet Adapter 7855P 021 10 Boiler Heat Exchanger Bracket 7855P 010 22 CH Return Adapter 7855P 022 11 Front...

Page 66: ...66 LP 496 REV 11 23 15 Figure 49 Combustion System Replacement Parts NOTE See Replacement Parts List following page ...

Page 67: ...sate Collector Pan Clamp 40P 7855P 056 36 2 Gas Valve 7855P 034 63 Storage Temperature Sensor 7855P 057 37 CH Water Supply 1 Upper 7855P 036 64 Water Storage Tank Bracket 7855P 058 38 CH Water Supply 2 Lower 7855P 037 65 DHW Tank ASSY 7855P 059 39 Internal Primary CH Pump 7855P 081 66 Heat Exchanger Long Bolt Set 5 Bolts 7855P 060 40 CH Return Pipe 7855P 038 67 Condensate Collector Pan 7855P 061 4...

Page 68: ...ces utilized in heating applications that have been properly installed by qualified professionals based upon the manufacturer s installation instructions OWNER RESPONSIBILITIES To avoid the exclusion list in this warranty the owner or installer must 1 Maintain the appliance in accordance with the maintenance procedure listed in the manufacturer s provided instructions Preventive maintenance can he...

Page 69: ...perty of HTP and will not be returned even if credit is denied If all warranty conditions are satisfied HTP will provide replacement parts to the retailer For questions about the coverage of this warranty please contact HTP at the address or phone number stated below HTP 272 Duchaine Blvd New Bedford MA 02745 Attention Warranty Service Department 1 800 323 9651 SERVICE LABOR AND SHIPPING COSTS Thi...

Page 70: ... the appropriate locations on the boiler If applicable have all dip switches been set and verified to match system requirements Verify combustion settings after gas conversion Carbon Dioxide ____ CO2 High Fire ____ CO2 Low Fire Verify combustion settings after gas conversion Carbon Monoxide ____ppm CO High Fire ____ppm CO Low Fire What is the drop on light off No more than 1 W C ____ in w c Dynami...

Page 71: ...ng safeties Temperatures Verify safe settings on appliance or Anti Scald Valve Temperatures Verify programmed temperature settings ELECTRICAL Connections Check wire connections Make sure they are tight Smoke and CO detector Verify devices are installed and working properly Change batteries if necessary Circuit Breakers Check to see that the circuit breaker is clearly labeled Exercise circuit break...

Page 72: ...72 LP 496 REV 11 23 15 ...

Page 73: ...73 LP 496 REV 11 23 15 ...

Page 74: ...74 LP 496 REV 11 23 15 MAINTENANCE NOTES ...

Page 75: ...te of Installation Installer s Code Name Product Serial Number s Combustion Setting at Time of Installation Comments Installer s Phone Number Signed by Installer Signed by Customer IMPORTANT NOTES Customer Please only sign after the installer has reviewed the installation safety proper operation and maintenance of the system In the case that the system has any problems please call the installer If...

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