ECR International Dunkirk DCBF-125 Installation, Operation And Maintenance Manual Download

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150F / 205F WITH ZONE PUMPS - WIRING DIAGRAM

ITH

ZONE

PUMPS

PN 240012875 REV. A [01/31/2020]

Summary of Contents for Dunkirk DCBF-125

Page 1: ...Manufactured by ECR International Inc 2201 Dwyer Avenue Utica NY 13501 Tel 800 253 7900 www ecrinternational com DCBF 125 DCBF 165 DCCF 150 DCCF 205 CONDENSING GAS FIRED BOILER...

Page 2: ...CONTENTS INSTALLATION OPERATION AND MAINTENANCE MANUAL 240012879 APPLICATION GUIDE 240012875 COMMISSIONING GUIDE 240011376 REQUIRED INSPECTION SPECIAL 240011561 BACK COVER...

Page 3: ...TALLATION OPERATION MAINTENANCE MANUAL Models DCBF 125 DCCF 150 DCBF 165 DCCF 205 Manufactured by ECR International Inc 2201 Dwyer Avenue Utica NY 13501 Tel 800 253 7900 www ecrinternational com PN 24...

Page 4: ...Boiler Copper Flush Bushing 1 2 x 1 4 NPT Copper Tee 1 1 24 x 1 1 4 x 1 2 Document Package VERIFY CONTENTS RECEIVED Threaded End Non Threaded End Copper Tee NOTICE Using proper brazing or soldering t...

Page 5: ...For The First Time 42 9 8 Automatic Calibration Function 42 9 9 Manual Calibration Function 43 9 10 De Aeration Function 43 9 11 Commission Set Up Gas Changing The Type Of Gas 43 9 12 Chimney Sweep F...

Page 6: ...requirements before beginning installation FOR YOUR SAFETY READ BEFORE OPERATING Hot Water Can Scald Water heated to temperature for clothes washing dish washing and other sanitizing needs can scald...

Page 7: ...ystem Return 11 4 Sweat Connection 11 2 Sweat Connection Boiler Filling Connection External to Boiler Primary Water Content 1 gal 3 60 L 11 4 gal 4 73 L Central Heating Sealed System 125 150 165 205 H...

Page 8: ...in 7 92 in 201 mm 201 mm 6 63 in 6 63 in 168 mm 168 mm 4 35 in 4 35 in 111 mm 111 mm 6 12 in 6 12 in 156 mm 156 mm 6 12 in 6 12 in 155 mm 155 mm 7 31 in 7 31 in 186 mm 186 mm 3 42 in 3 42 in 87 mm 87...

Page 9: ...2 mm 62 mm 2 82 in 2 82 in 71 mm 71 mm 3 32 in 3 32 in 84 mm 84 mm 9 39 in 9 39 in 239 mm 239 mm 6 26 in 6 26 in 159 mm 159 mm 3 07 in 3 07 in 78 mm 78 mm 41 87in 41 87in 1 06 m 1 06 m 7 39 in 7 39 in...

Page 10: ...9 Pump with Air Separator 10 Boiler Drain Tap 11 Heating Return 12 Gas Inlet 13 Optional Indirect Tank Connection 14 Heating Supply Connection 15 Condensate Connection 16 Low Water Pressure Cutoff 17...

Page 11: ...Inlet 16 DHW Outlet 17 Heating Supply Connection 18 Condensate Connection 19 DHW Heat Exchanger 20 NTC DHW Sensor 21 Low Water Pressure Cutoff 22 3 Way Valve with Motor 23 Gas Valve 24 Water Safety T...

Page 12: ...ng Return 13 Cold Water DHW Inlet Tap 14 Gas Inlet 15 DHW Outlet 16 Heating Supply Connection 17 Condensate Connection 18 DHW Heat Exchanger 19 NTC DHW Sensor 20 Low Water Pressure Cutoff 21 3 Way Val...

Page 13: ...Fan 8 Venturi 9 Pump with Air Separator 10 Boiler Drain Tap 11 Heating Return 12 Heating Supply Connection 13 Gas Inlet 14 Condensate Connection 15 Low Water Pressure Cutoff 16 Inlet Element 17 Gas V...

Page 14: ...es input to provide CH Turndown 5 5 1 DCCF 205 Modulates input to provide CH Turndown 5 5 1 DHW turndown 7 1 Maximum output available for domestic hot water DCCF 150 136 000 btu h 40 kW capable of pro...

Page 15: ...crated boiler as close to selected location as possible and uncrate boiler Boiler may be moved into position with appliance dolly or 2 two wheel hand truck Insert dolly or hand truck under left hand s...

Page 16: ...0 in 0 mm between Back of Unit and wall 0 in 0 mm between Back of Unit and wall 1 3 4 in 45 mm 13 4 in 45 mm 13 4 in 45 mm 450 mm Front View of Boiler 0in 0 mm 0in 0 mm Top View 0 in 0 mm 0 in 0 mm C...

Page 17: ...elbow on the top of the boiler is included in equivalent length calculations Use U V stabilized polypropylene when it will be exposed to sunlight wind or prone to freeze ups Manufacturer requires use...

Page 18: ...mmon axis 2 Twin Pipe Exhaust and intake air are separate pipes Figure 5 1 Venting Support 5 COMBUSTION AIR AND VENT PIPING can be terminated using single wall terminals from the vent manufacturer or...

Page 19: ...lar core PVC for venting flue gas could result in death or serious injury Coaxial venting shall be fastened with screws Dual flue venting is NOT fastened with screws 3 All piping glue solvents cleaner...

Page 20: ...nalyzer to verify there is no recirculation of combustion Ensure termination is positioned with slots at the bottom Figure 5 2 Coaxial Screw Placement 5 7 Coaxial Vent Screw Placement See Figure 5 2 T...

Page 21: ...ON ALL SIZES Maintain 12 305 mm US 18 457 mm Canada clearance above highest anticipated snow level 24 610 mm above roof or ground Anticipated Snow Line FIGURE 5 5 Coaxial Vertical Exhaust CAN BE USED...

Page 22: ...lene venting an adapter kit is available C Twin Pipe Separated Flue Exhaust and combustion air intake are not located in same general location D Twin Pipe Common Atmospheric Zone Termination Exhaust a...

Page 23: ...the pipe 4 Insert the male end of of the second pipe into the clamp on the up etched side Force the two pipes together 5 Verify the two pipes are secure together with clamp in place 5 9 Securing Twin...

Page 24: ...and vent of different appliances 15 381 mm Max horizontal length of vent Min vent intake between different appliances 12 305 mm Max allowable total vertical vent length with outside exposure is 10 ft...

Page 25: ...rs required in all multiple boiler installations FIGURE 5 22 2 60 mm ONLY Twin Pipe Side Wall Vent CAN BE USED ON ALL SIZES 3 80 mm Min 24 610 mm Max Separation See Grade Snow Ice Combustion Air Vent...

Page 26: ...n assembly and clearances to maintain Avoid sharp bends in flexible venting FIGURE 5 24 3 80 mm Only Flexible Venting System CAN BE USED ON ALL SIZES Combustion Air Vent Terminal Flexible Vent Rigid V...

Page 27: ...h side of center line extended above meter regulator assembly 3 ft 0 9 m within a height of 15 ft 4 5 m above the meter regulator assembly 3 ft 0 9 m I Clearance to service regulator vent outlet 3 ft...

Page 28: ...signated for use with condensing boiler if boiler located below disposal point Condensate pump should have overflow switch Condensate from Boiler is slightly acidic and may cause property damage if ov...

Page 29: ...heat exchange surfaces and accumulate in pump cavities causing reduced efficiency and premature wear Flush system to remove any solid objects such as metal chips fibers or Teflon tape etc Flush syste...

Page 30: ...G Burn and scald hazard Safety relief valve could discharge steam or hot water during operation Use pipe suitable for temperatures of 375 F 191 C or greater DO NOT use plastic pipe Install discharge p...

Page 31: ...LVE BEFORE TEE OR LWCO Note To Drain Check Local Codes for Maximum Distance to Floor Arrange piping to prevent water dripping onto boiler 1 Return Purge Valve Magnetic Dirt Separator Position Temperat...

Page 32: ...O sensing device in the supply piping above the minimum height of boiler See Figure 6 2 Piping Diagram Position control in HORIZONTAL piping to assure proper boiler protection upright or 90 rotation F...

Page 33: ...tion and debris from your water supply piping from entering the boiler Debris carried from the water supply will clog DHW water flow sensor potentially resulting in significant operation issues Locate...

Page 34: ...late the gas rate accordingly When the domestic hot water demand ceases the burner will extinguish unless there is a demand for central heating 6 9 Frost Protection Mode Frost protection mode is integ...

Page 35: ...manual shutoff valve during any pressure testing of gas supply piping system at test pressures equal to or less than 1 2 psi 3 5 kPa Install boiler so that gas ignition system components are protected...

Page 36: ...uthority having jurisdiction Do not use matches candles open flames or other methods that can provide ignition source Correct leaks immediately and retest 7 3 Gas Orifice See Figure 7 2 Models 125 150...

Page 37: ...from overheating DANGER Electrocution Hazard HIGH VOLTAGE Connections in terminal block M1 are high voltage 120V 60Hz Before making connections verify appliance is disconnected from power supply Resp...

Page 38: ...ncorporated in the power supply terminal block To check or replace fuse pull out black fuse carrier TERMINAL BLOCK M1 L Live brown N Neutral light blue Ground yellow green 1 2 contact for 120V Room Th...

Page 39: ...CAL CONNECTIONS 8 7 Optional Electrical Connections A 1K Ohm 1K Outdoor Temperature Sensor To connect this accessory see figure 8 5 terminals 4 5 and instructions supplied with 1K sensor B Setting Kt...

Page 40: ...Use of after market sensors will diminish boiler performance 8 ELECTRICAL CONNECTIONS FIGURE 8 7A Kt Indirect Storage Tank 8 9 Management of 0 10V Input P78 1 P78 2 0 10V DC Electrical Signal Input He...

Page 41: ...F 125 HEATING ONLY WITHOUT OPTIONAL INDIRECT DHW CONNECTION 9 2 Central Heating System Connections Combi DCCF 150 205 COMBI 150 shown LEGEND 150 205 A Heating supply connection 11 4 sweat 11 2 sweat B...

Page 42: ...out Close drain as soon as water appears Systems using radiators to remove air Vent each radiator in turn starting with lowest in the system It is important the pump is properly vented to avoid runnin...

Page 43: ...temperature F C 16 Manufacturing information 07 Thermo fuse status 000 001 17 Fan speed i17 x100 08 Not used 18 Manufacturing information DHW temperature adjustment to increase the temperature and to...

Page 44: ...ill implement a self learning procedure to reach correct ignition level 9 START UP PROCEDURE 9 8 Automatic Calibration Function Before performing this function verify the door is on the boiler and the...

Page 45: ...power is restored Press and together and hold at same time for at least 6 seconds B If display shows fault E118 low pressure in hydraulic circuit during gas recognition function open filling tap on a...

Page 46: ...late input 9 13 Combustion Adjustment Function CO2 This function sets out to partially adjust the value of CO2 Use the following procedure 1 Press buttons and together for at least 6 seconds When the...

Page 47: ...re MBH Size 125 125 150 150 165 164 205 205 9 16 Description Of Parameters Factory Settings FACTORY SETTINGS 125 165 150 205 P01 Manufacturer information 01 P02 Gas used 00 Gas A Natural Gas 01 Gas E...

Page 48: ...output 0 100 100 80 P14 DHW max output 0 100 100 P15 Min heating output 0 100 00 P16 Maximum CH set point C 00 176 F 80 C 01 113 F 45 C 00 P17 Pump overrun time in heating mode 01 240 minutes 03 P18...

Page 49: ...200 8 0 7 6 30 700 9 0 11 9 34 100 10 0 15 12 40 900 12 0 22 18 47 700 14 0 30 24 54 500 16 0 37 29 61 400 18 0 44 35 68 200 20 0 52 41 75 100 22 0 59 47 81 900 24 0 67 53 88 700 26 0 74 59 95 500 28...

Page 50: ...mes on at ignition speed closing the air pressure switch allowing power to spark generator and gas valve creating ignition in the combustion chamber 3 Flame sensor acknowledges presence of flame in co...

Page 51: ...Verify proper operation after servicing Note Perform regular service and maintenance by qualified service agency at least once every 12 months to assure safe trouble free operation and maximum efficie...

Page 52: ...Check spark gap positioning and height of electrodes 7 Check fan impeller is clean and free to rotate WARNING Combustion chamber insulation in this product contains ceramic fiber material Ceramic fibe...

Page 53: ...he Boiler turn boiler off isolate electrical supply close boiler gas service cock allow boiler to cool drain boiler through onboard drain if available or external drain valve 11 5 Draining the Heating...

Page 54: ...acceptable volume and pressure Turn off boiler Thoroughly flush water pipe work Repressurize the system 11 9 Final Assembly Place front jacket in position over boiler Secure in position at top using s...

Page 55: ...ient operation C Servicing or replacement of parts shall be carried out by a qualified personnel D Ensure boiler controls and room thermostat if fitted are set to User s requirements E Tell User about...

Page 56: ...ion Efficiency are based on DOE Department of Energy test procedures 3 Net AHRI Ratings based on piping and pickup allowance of 1 15 Contact Technical Support before selecting boiler for installations...

Page 57: ...0 141 20 3 120 17 Max CH Supply temp 176 F 80 C for 125 and 150 Max DHW temp 140 F 60 C 150 Max DHW Flow rate 3 5 gpm 13 2 l min 205 Max DHW flow rate 5 0 gpm 18 9 L min 12 3 High Altitude Ratings 12...

Page 58: ...k correct circulation of water and pump 118 Hydraulic pressure too low Refill heating system by opening cold water tap 117 Hydraulic pressure too high Relieve pressure via relief valve or drain Ensure...

Page 59: ...f the flue duct E69 Combustion level out of range Check flue recirculation and the combustion levels E70 Flame signal problem micro interruption of the flame signal Check cable and integrity of the se...

Page 60: ...6 C04 P37 C05 P38 C06 RESET ANOMALY P39 C07 P40 C08 P41 C09 FAILURE CODE NUMBER OF TIMES OCCURRED SYSTEM STATUS CODES 0 STANDBY 1 DHW ON 2 CHIMNEY SWEEP ACTIVE 3 CH ON 4 PREHEAT ON 5 CH NO FROST ON 6...

Page 61: ...wood compressed paper plant fibers or other materials capable of being ignited and burned Such material shall be considered combustible even though flame proofed fire retardant treated or plastered C...

Page 62: ...or servicing of appliances and equipment Experienced in such work Familiar with all precautions required Complies with all requirements of authority having jurisdiction SAFETY RELIEF VALVE Valve desig...

Page 63: ...61 A 1 MODELS 125 Heat Only APPENDIX A WIRING DIAGRAMS 240012879 REV A 01 31 2020...

Page 64: ...62 APPENDIX A WIRING DIAGRAMS A 2 MODELS 165 Heat Only 240012879 REV A 01 31 2020...

Page 65: ...63 A 2 MODELS 150 Combi APPENDIX A WIRING DIAGRAMS 240012879 REV A 01 31 2020...

Page 66: ...64 A 4 MODELS 205 Combi APPENDIX A WIRING DIAGRAMS 240012879 REV A 01 31 2020...

Page 67: ...65 NOTES 240012879 REV A 01 31 2020...

Page 68: ...66 NOTES 240012879 REV A 01 31 2020...

Page 69: ...U HR input____________ Installation instructions have been followed Checkout procedure and adjustments performed Maintenance and Service issues reviewed with owner maintenance person Installation book...

Page 70: ...OVERRIDE MUST NOT BE USED UNLESS AT LEAST ONE OF THE FOLLOWING CONDITIONS IS TRUE An external energy management system is installed that reduces the boiler water temperature as the heating load decre...

Page 71: ...800 253 7900 www ecrinternational com PN 240012875 REV A 01 31 2020 This manual has been prepared for use with the appropriate Installation Operation and Maintenance Manual APPLICATION GUIDE FOR USE...

Page 72: ...ect Zone Pumps Dhw Tank Tank T Stat Wiring Diagram 16 165F Indirect Zone Pumps Dhw Tank Tank T Stat 16 165F W Zone Valves Piping Diagram 17 165F Indirect Zone Valves Dhw Tank Tank T Stat Wiring Diagra...

Page 73: ...Maintenance Manual for additional information WARNING Fire explosion asphyxiation and electrical shock hazard Improper installation could result in death or serious injury Read this manual and underst...

Page 74: ...NDIRECT DHW CONNECTION 125F HEATING ONLY WITHOUT OPTIONAL INDIRECT DHW CONNECTION 150F 205F COMBI 150 shown LEGEND 150 205 A Heating supply connection 11 4 sweat 11 2 sweat B DHW outlet 1 2 sweat 3 4...

Page 75: ...ned supply and return pipe lengths to maximum linear lengths of 20 ft 6 1 m between boiler and closely spaced tees when minimum NPT pipe size is used Linear length may be increased if supply and retur...

Page 76: ...Locate tank as close to boiler as possible Size DHW tank piping and system to use only internal boiler pump See available pump flow rate chart page 35 of this manual Change P03 on boiler for applicati...

Page 77: ...e of a H2O Buffer Tank Reference the zone control manufacturer instruction manual for control operation and priority setting of DHW zones Note DO NOT use 120 V thermostat terminals m1 1 and 2 Provided...

Page 78: ...SS VALVE DIVERTER VALVE T P OR RELIEF VALVE THERMOSTATIC MIXING VALVE INDIRECT DHW TANK INDIRECT TANK AQUASTAT 10K INDIRECT DHW TANK SENSOR TEMPERATURE PRESSURE GAUGE EXPANSIONTANK FLAT PLATE HEAT EXC...

Page 79: ...9 125F WITH ZONE CIRCULATOR PUMPS 125F WITH ZONE CIRCULATOR PUMPS MAGNETIC DIRT SEPARATOR PN 240012875 REV A 01 31 2020...

Page 80: ...ting Only Boiler change P03 from 08 to 05 See Section 9 Parameter Settings in Boiler Installation Operation Maintenance Manual for details Reference zone control manufacturer instructions for details...

Page 81: ...G DIAGRAM Reference zone control manufacturer instructions for details on setting priority if necessary If adding an indirect tank with Thermostat to a Heating Only Boiler change P03 from 08 to 04 See...

Page 82: ...12 125F WITH ZONE VALVES PIPING DIAGRAM 125F WITH ZONE VALVES MAGNETIC DIRT SEPARATOR 125F WITH ZONE VALVES DHW TANK TANK SENSOR PN 240012875 REV A 01 31 2020...

Page 83: ...SENSOR If adding an indirect tank with sensor to a Heating Only Boiler change P03 from 08 to 05 See Section 9 Parameter Settings in Boiler Installation Operation Maintenance Manual for details Refere...

Page 84: ...ANK T STAT Reference zone control manufacturer instructions for details on setting priority if necessary If adding an indirect tank with Thermostat to a Heating Only Boiler change P03 from 08 to 04 Se...

Page 85: ...WITH ZONE CIRCULATOR PUMPS PIPING DIAGRAM 165F with Zone Circulator Pumps MAGNETIC DIRT SEPARATOR 1 Shut off Purge Valve 1 Locate shut off valve after any field installed LWCO PN 240012875 REV A 01 3...

Page 86: ...ference zone control manufacturer instructions for details on setting priority if necessary If adding an indirect tank with Thermostat to a Heating Only Boiler change P03 from 08 to 04 See Section 9 P...

Page 87: ...17 165 Fwith Zone Valves 165 WITH ZONE VALVES PIPING DIAGRAM MAGNETIC DIRT SEPARATOR 1 Shut off Purge Valve 1 Locate shut off valve after any field installed LWCO PN 240012875 REV A 01 31 2020...

Page 88: ...agram If adding an indirect tank with Thermostat to a Heating Only Boiler change P03 from 08 to 04 See Section 9 Parameter Settings in Boiler Installation Operation Maintenance Manual for details Refe...

Page 89: ...19 150F 205F WITH ZONE CIRCULATOR PUMPS 150F 205F WITH ZONE CIRCULATOR PUMPS PIPING DIAGRAM MAGNETIC DIRT SEPARATOR PN 240012875 REV A 01 31 2020...

Page 90: ...20 150F 205F WITH ZONE PUMPS WIRING DIAGRAM 150F 205F WITH ZONE PUMPS PN 240012875 REV A 01 31 2020...

Page 91: ...21 150F 205F WITH ZONE VALVES 150F 205F WITH ZONE VALVES PIPING DIAGRAM MAGNETIC DIRT SEPARATOR PN 240012875 REV A 01 31 2020...

Page 92: ...22 150F 205F WITH ZONE VALVES WIRING DIAGRAM 150F 205F WITH ZONE VALVES PN 240012875 REV A 01 31 2020...

Page 93: ...a buffer tank be installed Note DHW piping not shown for clarity Reference applicable sections of this manual for DHW piping details Internal Boiler circulator used on Primary circuit Reference Buffe...

Page 94: ...r Wiring with Buffer Tank Connect the buffer tank aquastat to terminals 4 and 4 on terminal block M2 System wiring remains as shown in the previous wiring diagrams H20 BUFFER TANK H2O Stainless Steel...

Page 95: ...1 6 1 125F 15 8 4 358 73 4 1 081 17 6 4 152 75 2 1 040 19 4 3 958 77 0 1 000 21 2 3 774 78 8 962 23 0 3 600 80 6 926 24 8 3 435 82 4 892 26 6 3 279 84 2 858 28 4 3 131 86 0 827 30 2 2 990 87 8 796 32...

Page 96: ...rature based on average extreme outdoor temperature range expected for climate location Flow Temp Outside Temp Boiler Control Panel Note For temperatures below 40 F 40 C maximum heating flow temperatu...

Page 97: ...ge PO3 parameter from 08 to 04 See Section 9 Parameter Settings in boiler s Installation Operation and Maintenance Manual Parameter PO3 for COMBI boiler factory set at OO requires no change S Indirect...

Page 98: ...28 MODEL 125F Heat Only 125F FLOOR STANDING HEAT ONLY WIRING DIAGRAM PN 240012875 REV A 01 31 2020...

Page 99: ...29 MODEL 150F Combi 150F FLOOR STANDING COMBI WIRING DIAGRAM PN 240012875 REV A 01 31 2020...

Page 100: ...30 165F FLOOR STANDING HEAT ONLY WIRING DIAGRAM MODEL 165F Heat Only PN 240012875 REV A 01 31 2020...

Page 101: ...31 205F FLOOR STANDING COMBI WIRING DIAGRAM MODEL 205F Combi PN 240012875 REV A 01 31 2020...

Page 102: ...50 CALCULATED EFFECTS OF HI ALTITUDE ON BOILER PERFORMANCE DHW MODE HEAT MODE NET RATNG HEAT MODE 60 000 80 000 100 000 120 000 140 000 160 000 180 000 200 000 220 000 0 2 000 4 000 6 000 8 000 10 000...

Page 103: ...5 F 92 111 147 147 140 F 121 133 147 147 115 F 146 165 208 208 140 F 67 79 93 93 115 F 92 111 154 154 Notes 176 F Boiler Supply Water Temperature AHRI Rating Conditions 50 F Inlet Water 4 0 GPM FLOW R...

Page 104: ...ring Diagram Low Water Cutoff LWCO Electrical Conduit J Box 120 V 60 HZ Conduit or Power Supply cord Polarized L1 N G GND L1 N GND BLK WHT 120 V 60 HZ Socket Polarized 120 V 60 HZ Cord Set From Boiler...

Page 105: ...n Check Local Codes for Maximum Distance to Floor Arrange piping to prevent water dripping onto boiler 1 Return Purge Valve Magnetic Dirt Separator Position Temperature Pressure Gauge on CH System Sup...

Page 106: ...36 Low Water Cutoff Detail LOW WATER CUTOFF NO NO YES PN 240012875 REV A 01 31 2020...

Page 107: ...ircuit and Polarity wilh a suitable meter NOTE These checks must be repeated after any servicing or fault finding 5 Ensure all external controls are calling for heat and check all external and interna...

Page 108: ...lashing NO Error E11O flashing NO 3 way valve open to central heating circuit YES Burner output modulates to maintain the temperature set YES YES YES YES YES Error E130 flashing NO YES Burner goes out...

Page 109: ...ectrodes for up to 5 seconds and for 5 attempts YES NO YES Burner lights YES YES Error E109 flashing NO Error E110 flashing YES NO NO NO NO DHWflow rate more than 21 min Error 160 flashing Go to secti...

Page 110: ...inals Blue to Brown See Wiring Diagram NO Replace PCB Fan connections correct at fan and PCB Connectors X11 X23 See Wiring Diagram YES NO 120V between PCB connector x13 pump terminal Blue and PCB conn...

Page 111: ...rode and lead 3 Electrode connection 4 Spark gap and position 5 continuity between burner and earth 6 Condensate trap blocked Check the gas supply pressure For Natural Gas greater than 3 5 wc For LPG...

Page 112: ...nnection at connector x22 is there approx 5 V DC between the green and black NO terminals Check flow temperature sensor connections and position Sensors swapped Cold resistance approximately 1OkO 77 F...

Page 113: ...heat exchanger 1 Display blank Verify the position of the Service key Check obstruction in the flue duct YES Remove the obstruction on the flue pipe NO Performs the calibration function see the Servi...

Page 114: ...44 NOTES PN 240012875 REV A 01 31 2020...

Page 115: ...45 NOTES PN 240012875 REV A 01 31 2020...

Page 116: ...All specifications subject to change without notice 2019 ECR International Inc 2201 Dwyer Avenue Utica NY 13501 Tel 800 253 7900 www ecrinternational com BDR THERMEA GROUP...

Page 117: ...THIS INSTRUCTION ASSURE FACTORY SUPPLIED CONVERSION LABEL IS APPLIED TO PRODUCT IF CONVERTING TO LP IMPORTANT Gas type Check Ensure the maximum heat exchange to the system in Heating or DHW mode DHW r...

Page 118: ...imum l installation de chauffage ou de production d ECS afin d viter que la chaudi re ne s teigne suite un probl me de surchauffe INTERRUPTION DE LA FONCTION Si la fonction de d sa ration ou d identif...

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