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EXTERNAL BUFFER TANK - WIRING DIAGRAM

Buffer Tank Pump Wiring

Controlling A Primary Pump On A Combi Boiler

With Zone Valves and Indirect Tank With Priority,

Argo UZ3 and AR822-II Zone Controls

ZONE 1

LINE

24V

Vac

115 Vac

L 1

115

COM

Vac

115 Vac

ZONE PUMPS

las

s 2

Low
Vo

ltage

ZONE 3

ZONE 2

ZONE 1

NEC Class 2 Low Voltage

T C

THERMOSTATS

ZONE VALVES

ZONE 3

ZONE 2

NEC Class 2 Low Voltage (24Vac)

T C

PRI PUMP

ZC/ZR

DIGITAL LCD USER DISPLAY

Fuse

ZONE MODULE

TO EXPANSION

Transformer

PTC

12A 250V

Buffer Tank

115 Vac FIELD SUPPLIED

POWER PER NEC

AND LOCAL CODES

PRIMARY

PUMP

ZONE

THERMOSTATS

ZONE VALVES

VANNES DE ZONE

4 Wire Valve

1 2 3 4

N L1

FIELD SUPPLIED

POWER PER NEC

AND LOCAL CODES

PUMP

DHW

PUMP

Domestic Hot

Water Tank

UZ3

Zone Control

PN 240012875 REV. C [10/01/2021]

Содержание MACF-115

Страница 1: ...Manufactured by ECR International Inc 2201 Dwyer Avenue Utica NY 13501 Tel 800 325 5479 www ecrinternational com MAHF 100 MACF 115 MAHF 125 MACF 150 MAHF 165 MACF 205 CONDENSING GAS FIRED BOILER ...

Страница 2: ...MACF 150 ...

Страница 3: ...CONTENTS INSTALLATION OPERATION AND MAINTENANCE MANUAL 240013371 APPLICATION GUIDE 240012875 COMMISSIONING GUIDE 240011376 REQUIRED INSPECTION SPECIAL 240011561 BACK COVER ...

Страница 4: ...MAHF 125 ...

Страница 5: ...N MAINTENANCE MANUAL Models COMBI MACF 115 MACF 150 MACF 205 HEATING ONLY MAHF 100 MAHF 125 MAHF 165 Manufactured by ECR International Inc 2201 Dwyer Avenue Utica NY 13501 Tel 800 325 5479 www ecrinternational com PN 240013371 REV B 10 01 2021 ...

Страница 6: ...4 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 technique insert copper flush bushing into copper tee with threading up and non threaded end down If the threaded end is not UP the TP gauge cannot engage the threads in the bushing Verify proper model size before use 240013371 REV B 10 01 2021 For Parts lists...

Страница 7: ...re 46 9 1 Central Heating System Connections HEAT ONLY 46 9 2 Central Heating System Connections Combi 46 9 3 System Start Up 47 9 4 Fill Condensate Trap with Water 47 9 5 Control Panel 48 9 6 Prior to Commissioning 49 9 7 Commissioning For The First Time 49 9 8 Automatic Calibration Function 49 9 9 Manual Calibration Function 50 9 10 De Aeration Function 50 9 11 Commission Set Up Gas Changing The...

Страница 8: ... Copper Sweat 165 N A 205 3 4 19 1 mm I Boiler Return 3 4 19 1 mm 1 38 1 mm Boiler Filling Connection External to Boiler Primary Water Content 0 95 gal 3 60 L 1 gal 3 79 L 11 4 gal 4 73 L Central Heating Sealed System 100 115 125 150 165 205 Heat Exchanger Max Allowable Working Pressure 50 psi 3 45 bar Max System Pressure 43 psi 2 96 bar Min System Pressure 7 25 psi 0 50 bar Max System temperature...

Страница 9: ... 4 35 in 111 mm 111 mm 6 12 in 6 12 in 156 mm 156 mm 7 31 in 7 31 in 186 mm 186 mm 1 80 in 1 80 in 46 mm 46 mm 43 65 in 43 65 in 1 1 m 1 1 m 40 23 in 40 23 in 1 0 m 1 0 m 37 20 in 37 20 in 95 m 95 m 2 99 in 2 99 in 76 mm 76 mm 3 15 in 3 15 in 80 mm 80 mm 10 in 10 in 255 mm 255 mm 6 56 in 6 56 in 167 mm 167 mm 4 35 in 4 35 in 110 mm 110 mm 6 63 in 6 63 in 168 mm 168 mm 9 13 in 9 13 in 232 mm 232 mm...

Страница 10: ...m 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 87 in 41 87 in 1 06 m 1 06 m 7 39 in 7 39 in 187 mm 187 mm 6 26 in 6 26 in 159 mm 159 mm 10 in 10 in 255 mm 255 mm 23 55 in 23 55 in 598 mm 598 mm 9 07 9 07 230 mm 230 mm 1 67 in 1 67 in 43 mm 43 mm 8 46 in 8 46 in 215 mm 215 mm 12 02 in 12 02 in 205 mm 205 mm Top View 165 205 18 56 in 472 mm 18 56 i...

Страница 11: ...izing needs can scald and cause permanent injury Children elderly and infirmed or physically handicapped persons are more likely to be permanently injured by hot water Never leave them unattended in bathtub or shower Never allow small children to use a hot water tap or draw their own bath If anyone using hot water in the building fits the above description or if state laws or local codes require c...

Страница 12: ...able water Indirect heating is acceptable Heat water with non hydronic heating system chemicals present example swimming pool water Toxic chemicals such as those used for boiler treatment shall not be introduced into potable water used for space heating Exceed 43 psig 2 96 bar maximum system pressure or drop below minimum system pressure 7 25 psig 50 bar Exceed 176 F 80 C system design temperature...

Страница 13: ... Heating Return 12 Gas Inlet 13 Optional Indirect Tank Connection 14 Heating Supply Connection 15 Condensate Connection 16 Low Water Pressure Cutoff 17 3 Way Valve with Motor 18 Gas Valve 19 Over Temperature Thermostat 20 NTC Heating Sensor 21 Ignition Electrode 22 Pressure Relief Valve 23 Exhaust Test Port 24 Intake Test Port 9 2 4 1 3 6 5 7 8 10 13 23 24 20 19 21 11 12 14 15 16 17 18 22 24001337...

Страница 14: ...tor 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 3 Way Valve with Motor 18 Gas Valve 19 Water Safety Thermostat 20 NTC Heating sensor Flow Return QTY 2 1 Shown for clarity 21 Ignition Electrode 22 Pressure Switch 23 Pressure Relief Valve 24 Exhaust Test Port 25 Intake Te...

Страница 15: ...3 Gas Inlet 14 Condensate Connection 15 Low Water Pressure Cutoff 16 Inlet Element 17 Gas Valve 19 Over Temperature Thermostat 20 NTC Heating Sensor 21 Ignition Electrode 22 Pressure Relief Valve 23 Exhaust Test Port 24 Intake Test Port 3 COMPONENT LISTING Illustrations are a depiction of the boiler for general location of parts and may vary depending on model 9 2 4 1 3 6 5 7 8 10 12 20 19 21 11 1...

Страница 16: ...ing Supply 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 Thermostat 25 NTC Heating sensor Flow Return QTY 2 1 Shown for clarity 26 Ignition Electrode 27 Pressure Relief Valve 28 Exhaust Test Port 29 Intake Test Port 9 16 2 25 24 19 4 1 26 3 6 5 7 8 27 10 11 12 14 13 15 17 18 20 21 22 23 28 29 3 C...

Страница 17: ...Pump with Air Separator 10 DHW Priority Sensor 11 Flow Sensor with Water Filter and Flow Restrictor 12 Boiler Drain Tap 13 Heating Return 14 Cold Water DHW Inlet 15 Gas Inlet 16 DHW Outlet 17 Heating Supply 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 Thermostat 25 NTC Heating sensor Flow Return...

Страница 18: ...onnection 17 Condensate Connection 18 DHW Heat Exchanger 19 NTC DHW Sensor 20 Low Water Pressure Cutoff 21 3 Way Valve with Motor 22 Gas Valve 23 NTC Heating sensor Flow Return QTY 2 1 Shown for clarity 24 Water Safety Thermostat 25 Ignition Electrode 26 Pressure Relief Valve 27 Exhaust Test Port 28 Intake Test Port 3 COMPONENT LISTING Illustrations are a depiction of the boiler for general locati...

Страница 19: ... manufacturer recommended with this boiler WARNING Fire Hazard Do not install on carpeting Failure to follow these instructions could result in death or serious injury 4 LOCATING BOILER 4 2 Floor Location Place 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 ...

Страница 20: ...ation 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 Combustible Clearances TABLE 1 BOILER CLEARANCES Dimension Combustible Materials 1 Manufacturer Recommended for Service 1 2 Top 0 0 cm 8 5 8 220 mm Left Side 1 3 4 45 mm 12 305 mm Right Side 1 3 4...

Страница 21: ...prohibited Covering non metallic vent pipe and fittings with thermal insulation shall be prohibited Failure to follow these instructions could result in death or serious injury 5 COMBUSTION AIR AND VENT PIPING Support piping in accordance with pipe manufacturer s instruction and authority having jurisdiction In absence of manufacturer s instruction use pipe hooks pipe straps brackets or hangers of...

Страница 22: ...d to common venting system are located and other spaces of building Turn on clothes dryer and any appliance not connected to common venting system Turn on exhaust fans such as range hoods and bathroom exhaust so they will operate at maximum speed Do not operate summer exhaust fan Close fireplace dampers Turn on appliance being inspected Follow lighting instructions Adjust thermostat so appliances ...

Страница 23: ... or serious injury WARNING Covering non metallic vent pipe and fittings with thermal insulation shall be prohibited Use of cellular 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 1 Venting shall be properly supported 2 Boiler shall not support any type of vent system 3 All piping glue...

Страница 24: ...ial to be used as an alternative to Polypropylene venting for the exhaust pipe VENT MATERIAL OPTIONS Maximum Equivalent Vent Length Shown 165 205 Vent Type Vent Size Vent Material Intake L1 Exhaust L2 Combined Vent L1 L2 Max Min Max Min Max Min Twin Pipe 2 60 mm Polypropylene 85 ft 25 9 m 6 ft 1 8 m 85 ft 25 9 m 6 ft 1 8 m 170 ft 51 8 m 12 ft 3 6 m 3 80 mm Polypropylene 100 ft 30 5 m 6 ft 1 8 m 10...

Страница 25: ...ls is zero when using coaxial vent system After installing venting use calibrated analyzer to verify there is no recirculation of combustion Ensure termination is positioned with slots at the bottom WARNING Asphyxiation hazard Before securing the screws ensure the pipe has been pushed in a minimum of 1 3 4 45 mm into the gasket end of the other pipe Failure to follow these instructions could resul...

Страница 26: ... 5 Coaxial Vertical Exhaust CAN BE USED ON ALL SIZES 12 305 mm Minimum Separation Manufacturer Recommends Greater Separation FIGURE 5 7 Coaxial Horizontal Exhaust CAN BE USED ON ALL SIZES Multiple Appliances Multiple Appliances 24 610 mm Min Separation Manufacturer Recommends Greater Separation recommends gr 5 COMBUSTION AIR AND VENT PIPING 5 7 Coaxial Vent Screw Placement See Figure 5 3 Two 2 scr...

Страница 27: ...t and combustion air Ice or snow may cause boiler to shut down if vent or combustion air becomes obstructed WARNING Asphyxiation hazard Improper installation could result in death or serious injury Read Twin Pipe Installation Instructions completely and understand all requirements before beginning installation FIGURE 5 8 2 60 mm 3 80 mm Twin Pipe Separated Horizontal Flue Termination This Terminat...

Страница 28: ...pe 4 Insert the male end 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 Pipe Polypropylene Venting Figure 5 11 Natalini Clamp UP UP UP NOTICE Venting manufacturer s use a device to secure single wall twin pipe polypropylene vent pieces to each other Proper application of the secur...

Страница 29: ...on air and vent Both combustion air and vent pipe must exit above top of chimney with clearances as shown in Figure 5 14 Vent Terminal Combustion Air Ground Level FIGURE 5 12 Twin Pipe on Roof Combustion Air On Sidewall CAN BE USED ON ALL SIZES FIGURE 5 13 Twin Pipe Flue On Sidewall Combustion Air On Roof CAN BE USED ON ALL SIZES 43 4 120 mm See Grade Snow Ice FIGURE 5 15 3 80 mm ONLY Single Wall ...

Страница 30: ...ers 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 FIGURE 5 20 2 60 mm ONLY Vent Pipe with T CAN BE USED ON ALL SIZES See Grade Snow Ice Combustion Air Vent 3 80 mm Min 24 610 mm Max Separation 6 153 mm Min 24 610 mm Max Separation FIGURE 5 21 2 60 m...

Страница 31: ... on 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 Vent 5 COMBUSTION AIR AND VENT PIPING Flexible Pipe Minimum Maximum Vent Lengths 3 80 mm Diameter Pipe 100 115 125 150 165 205 Min Max Min Max Natalini Exhaust 6 ft 1 8 m 75 ft 22 8 m 6 ft 1 8 m 50 f...

Страница 32: ...er 9 229 mm 9 229 mm G Clearance to inside corner 36 456 mm 36 456 mm H Clearance to each 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 0 9 m 3 ft 0 9 m J Clearance to non mechanical air supply inlet to building or the combustion air inlet to any o...

Страница 33: ...esignated 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 overflow Field source condensate neutralizing kit as required by authority having jurisdiction or for environmentally friendly condensate disposal FIGURE 5 26 Condensate Drain Do not glue cap on if use...

Страница 34: ...alves and isolation valves are not installed install them to properly clean the system When purging installations that include standing iron radiators and systems with manual vents at high points start with nearest manual air vent Open the vent until water flows out then close vent Repeat this procedure working toward furthest air vent Install a basket strainer if large amounts of sediment is pres...

Страница 35: ... these instructions 6 HYDRONIC PIPING 6 4 Trim Piping Temperature Pressure Gauge Install temperature pressure gauge using tee and bushing provided in near boiler piping on supply side See Figure 6 2 Some boiler models may have integral drain valve located inside jacket directly underneath pump Install external drain valve as required 6 5 System Piping Ensure plugs are removed from boiler water con...

Страница 36: ...range piping to prevent water dripping onto boiler 1 Return Purge Valve Magnetic Dirt Separator Position Temperature Pressure Gauge on CH System Supply Side of Boiler Purge Valve Note Illustrations are meant to show system piping concept only Installer is responsible for all equipment and detailing required by authority having jurisdiction Note 32 FIGURE 6 2 Piping Diagram LWCO Location 6 HYDRONIC...

Страница 37: ... 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 For proper operation sensing element of the LWCO control shall be positioned in the tee to sense the main water stream Maintain minimum 1 4 spacing from pipe walls Element shall NOT contact the rear or side walls of the ...

Страница 38: ...dimentation 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 the strainer as close to the boiler as possible and place on DHW domestic hot water inlet connection located at bottom of the boiler 6 HYDRONIC PIPING Potable water IN Potable water OUT 240013...

Страница 39: ...to flow to the spark generator and gas valve creating ignition in the combustion chamber The flame sensor will acknowledge the presence of the flame in the combustion chamber and send a signal to the control board Temperature sensors will send a signal to the control board allowing the control board to increase decrease the speed of the fan The combustion fan will in turn modulate the gas rate acc...

Страница 40: ...ensate trap control replacement etc Gas meter and supply pipes must be capable of delivering the listed quantity of gas in addition to demand from any other appliances in the house Boiler requires a minimum 3 4 19 5 mm gas supply pipe Support piping with hooks straps bands brackets hangers or building structure components to prevent or dampen excessive vibrations and prevent strain on gas connecti...

Страница 41: ...etallic pipe and Corrugated Stainless Steel Tubing CSST is manufacturer recommended for best performance Use of Gas Appliance Connectors flexible connectors typically used for gas stoves or water heaters is prohibited Refer to national and local building codes Each fitting in the gas supply pipe shall count as 5 equivalent feet There shall be sufficient gas pressure at the boiler per gas used and ...

Страница 42: ...0 68 80 131 153 107 126 207 241 80 60 69 113 132 94 109 178 208 100 54 62 101 118 85 98 159 186 INTENDED USE Pipe Sizing Between Natural Gas Meter or Propane Single or Second Stage Low Pressure Regulator and Appliance Schedule 40 Metallic Pipe Natural Undiluted Propane Less than 2 psi 11 0 in w c 0 5 in w c 0 5 in w c 0 60 1 50 3 4 1 3 4 1 Capacity in Thousands of Btu per Hour Capacity in Thousand...

Страница 43: ...leakage using gas detector noncorrosive detection fluid or other leak detection method acceptable to authority having jurisdiction Do not use matches candles open flames or other methods that can provide ignition source Correct leaks immediately and retest 7 4 Gas Orifice See Figure 7 2 Models 100 115 4 6 mm Natural LP Models 125 150 5 8 mm Natural LP Models 165 205 9 0 mm Natural LP Figure 7 1 Ga...

Страница 44: ...upply Respect the input polarity on terminal block M1 L LINE N NEUTRAL Failure to follow these instructions WILL result in death or serious injury 8 ELECTRICAL CONNECTIONS FIGURE 8 1 Junction Box Left side of Boiler Junction Box with Knockouts and grommets 8 2 Install Room Thermostat Install room thermostat on inside wall Do not install where it will be influenced by drafts hot or cold water pipes...

Страница 45: ...re incorporated 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 Thermostat Place jumper back on terminals 1 2 of boiler terminal block M1 if room thermostat is not used or if Remote Control is not installed FIGURE 8 2 Terminal Block Locations Fuse Holders 2 DANG...

Страница 46: ...gnizes OAS sensor when wired to M2 terminal block Display changes to show current default Kt value 80 Note display value 2 When operating in CH mode boiler setpoint is determined by the Kt value selected and actual outside air temperature Refer to applicable F or C chart pg 30 for setpoint information Select Kt range which will satisfy the desired boiler delivery temperature based on outdoor tempe...

Страница 47: ...ures below 40 F 40 C maximum heating flow temperature set point no longer increases curves shown on graph become horizontal Boiler setpoint will override sensor set point FIGURE 8 6 Kt Climate Curves 80 Is Default 240013371 REV B 10 01 2021 ...

Страница 48: ...rformance 8 ELECTRICAL CONNECTIONS FIGURE 8 7 Kt Indirect Storage Tank 8 9 Management of 0 10V Input The functions with 0 10V regulator are activated by means of their parameters To enable 0 10V input change P82 4 to P82 3 When P78 1 the input manages the heating set point temperature directly When P78 2 the input manages the heating power input directly Demand is activated above 3V and heating se...

Страница 49: ...45 FIGURE 8 8 Circulator Pump Connections For more information please review the application guide received with your boiler 8 ELECTRICAL CONNECTIONS 240013371 REV B 10 01 2021 ...

Страница 50: ...CTION MAHF 125HEATING ONLY WITHOUT OPTIONAL INDIRECT DHW CONNECTION 9 2 Central Heating System Connections Combi MACF 115 150 205 COMBI 150 shown LEGEND 115 150 205 A Heating supply connection 11 4 sweat 31 75 mm 11 2 sweat 38 1 mm B DHW outlet 1 2 sweat 12 7 mm 3 4 sweat 19 1 mm C Drain connection for condensate 3 4 NPT 22 2 mm D Gas shutoff connection 3 4 NPT 22 2 mm E Cold DHW inlet tap 1 2 swe...

Страница 51: ... heat exchanger Open four 4 full turns counterclockwise until steady stream of water is witnessed Close fully turning clockwise with no tools needed See Figure 9 1 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 running it dry and damaging its bearings Unscrew and remove cap from center of pump...

Страница 52: ...nabled Call a qualified service technician Programming menu Manually resettable fault Boiler information menu Fault in progress Set unit of measurement SI US SYMBOL Key DESCRIPTION DESCRIPTION 00 Secondary fault internal code 09 Setpoint Central Heating F C 01 Heating flow temperature F C 10 11 Manufacturing information 02 Outdoor temperature F C 12 Flue sensor temperature F C 03 Indirect Tank DHW...

Страница 53: ...unction Before performing this function verify the door is on the boiler and there are no heat demands in progress During this function ensure there is maximum heat exchange to the system in Heating or DHW mode DHW request to avoid boiler shutting off due to overheating Press and together and hold for about 6 seconds When display indicates On press within 3 seconds after pressing previous buttons ...

Страница 54: ... 3 Gas Inlet Tap Pi 9 START UP PROCEDURE PI PI Gas Supply Inlet Pressure Tap PI IMPORTANT INFORMATION A If gas recognition function is interrupted by power blackout start function again when 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 open filling tap on appliance and restore correct pressure C If...

Страница 55: ...r more minutes Calculate 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 function is enabled displays shows On for a few seconds followed by program row 304 alternated with the of boiler power 2 After burner is lit boiler reverts to maximum DHW power 10...

Страница 56: ... 04 heating only appliance with DHW thermostat 05 appliance with external storage indirect tank 08 heating only appliance 13 instantaneous appliance with pre heat function for solar application 08 00 P06 Outdoor temperature sensor input configuration 00 with outdoor temperature sensor connected external temperature value has influence to calculate heating flow temperature set point 01 with outdoor...

Страница 57: ...E Instructions P44 Temperature unit setting 00 C 01 F 01 P67 OT RT Open Therm Room Thermostat selection 0 Plug and Play 1 B P 2 OT open therm STD 02 The values listed below are factory defaults there may be differences for each application Model 100 115 125 150 165 205 Fuel Natural LP Natural LP Natural LP Natural LP Natural LP Natural LP P70 Ignition Fan Speed Setting 35 35 38 38 44 44 RPM 3500 3...

Страница 58: ...0 22 0 59 47 81 900 24 0 67 53 88 700 26 0 74 59 95 500 28 0 80 65 102 300 30 0 88 71 109 200 32 0 96 75 112 600 33 0 100 80 9 START UP PROCEDURE Btu h kW MAHF 165 MACF 205 27 400 8 0 0 0 31 300 9 2 4 3 35 800 10 5 7 6 41 300 12 1 11 9 46 500 13 6 15 12 55 900 16 4 22 18 65 700 19 3 30 24 74 500 21 8 37 29 83 200 24 4 44 35 92 300 27 0 52 41 101 900 29 9 59 47 110 000 32 2 67 53 118 000 34 8 74 59...

Страница 59: ...r heat the unit will shutdown and enter 3 minute anti cycling mode The boiler pump will operate for 3 minutes to dissipate any residual heat If there is a subsequent CH call for heat boiler will wait 3 minutes to operate 10 4 Domestic Hot Water Mode When a tap is opened and water flow is sensed by DHW flow switch domestic hot water call for heat is initiated Water in the boiler is diverted from ce...

Страница 60: ...er only and not for complete Central Heating System 10 6 Pump If electricity is connected to the boiler regardless if power is On or Off and has not operated for 24 hours for heating or hot water boiler pump will operate automatically for one minute every 24 hours 10 7 Low Water Pressure Sensor Internal This device protects primary exchanger from damage It will not allow boiler to run in a LOW wat...

Страница 61: ... 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 efficiency Circulator pump and combustion air blower motor furnished with boiler are permanently lubricated from factory and require no further lubrication Lubricate field sourced pumps and or motors accord...

Страница 62: ... 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 fibers can be converted to cristobalite in very high temperature applications The International Agency for Research on Cancer IARC has concluded Crystalline silica inhaled in the form of quartz or cristobalite...

Страница 63: ...r 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 Circuit Follow all steps in 11 4 Close central heating flow and return valves Connect suitable pipe to drain point Route it to suitable container Open drain tap 11 GENERAL MAINTENANCE AND CLEANING i n in in 11 1 ELECTRO...

Страница 64: ...lters in heating return and supply water isolating valves Repressurize the system 11 9 Final Assembly Place front jacket in position over boiler Secure in position at top using screws previously removed If boiler is to be left in service with the User set controls and room thermostat If boiler is not to be handed over immediately close boiler gas service valve and turn off electrical supply If the...

Страница 65: ...nd room thermostat if fitted are set to User s requirements E Tell User about sealed system pressure F Tell User if display is active and boiler has not operated for 24 hours for heating or hot water the pump will automatically operate for 1 minute G Explain to User an internal frost thermostat is fitted in boiler and electrical supply to boiler must be left on for frost protection to operate H Sh...

Страница 66: ...at 1 2 NPT 3 4 NPT 1 2 Copper stub adapters included with boiler Model Number CH Input MBH 1 1 2 CH Heating Capacity MBH 1 3 Net AHRI Rating Water MBH 2 AFUE Maximum Minimum MAHF 100 93 5 16 6 85 4 74 95 0 MACF 115 93 5 16 6 85 4 74 95 0 MAHF 125 125 22 113 98 95 0 MACF 150 125 22 113 98 95 0 MAHF 165 164 29 5 153 133 95 0 MACF 205 164 29 5 153 133 95 0 1 1000 Btu hr British Thermal Units Per Hour...

Страница 67: ...05 113 20 3 105 95 0 141 20 3 120 17 Max CH Supply temp 176 F 80 C for MAHF 125 and MACF 150 Max DHW temp 140 F 60 C MACF 150 Max DHW Flow rate 3 5 gpm 13 2 l min 205 Max DHW flow rate 5 0 gpm 18 9 L min GAS Natural LP Model Altitude 0 2 000 ft 0 610 m 2 000 10 000 ft 610 3 048 m 0 2 000 ft 0 610 m 2 000 10 000 ft 610 3 048 m Parameter P71 High Fire Fan Speed 100 Setting RPM 85 5 350 75 5 250 85 5...

Страница 68: ...ic head pump fit for installation on any type of single or double pipe heating systems The automatic air valve incorporated in the pump allows quick venting of the heating system Q WATER FLOW RATE MIN Minimum speed of modulation H HEAD MAX Maximum speed of modulation 240013371 REV B 10 01 2021 ...

Страница 69: ... unit Probable short circuit on wiring Check cable between control unit and boiler 109 Pre circulation alarm temporary fault Check correct circulation of water and pump Check supply and return wiring is correct 110 Safety thermostat tripped due to over temperature pump probably blocked or air in heating circuit Check safety thermostat and cable check correct circulation of water and pump 118 Hydra...

Страница 70: ...and the combustion levels E70 Flame signal problem micro interruption of the flame signal Check cable and integrity of the sensing electrode verify the continuity between burner and earth E73 Combustion adjustment modified during operation Review and monitor other codes such as E53 and E92 Error Description Operation 135 Internal error Verify all cables Replace PCB 160 Fan fault Check fan and cabl...

Страница 71: ...T LOCKOUT C09 FIRST LOCKOUT PHASE STATUS CODES 0 STANDBY 1 PREPURGE 3 INTERPURGE 4 SAFETY TIME 5 RUNNING 6 LOCKOUT 11 INTERURGE 15 POST VENTILATION 16 THERMOSTATIC POST VENTILATION 13 TROUBLE SHOOTING Anomaly Number Anomaly Code Consecutive Counter for the Same Anomaly Number of Days Elapsed From the Anomaly Event System Status Phase Status CH Flow Temperature Value During the Anomaly vent NO RESE...

Страница 72: ...h 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 COMBUSTION AIR Air that is drawn into an appliance to mix with fuel and support combustion CONDENSATE Liquid separated from flue gas due to reduction in temperature DIRECT VENT BOILER Boiler construct...

Страница 73: ... 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 designed to relieve pressure in hot water supply system when pressure exceeds pressure capability of equipment SAFETY SHUTOFF DEVICE Device that will shut off gas supply to controlled burner in event sour...

Страница 74: ...70 A 1 MODEL 100 Heat Only APPENDIX A WIRING DIAGRAMS 240013371 REV B 10 01 2021 ...

Страница 75: ...71 A 2 MODEL 125 Heat Only APPENDIX A WIRING DIAGRAMS 240013371 REV B 10 01 2021 ...

Страница 76: ...72 APPENDIX A WIRING DIAGRAMS A 3 MODEL 165 Heat Only 240013371 REV B 10 01 2021 ...

Страница 77: ...73 APPENDIX A WIRING DIAGRAMS A 4 MODEL 115 Combi 240013371 REV B 10 01 2021 ...

Страница 78: ...74 A 5 MODEL 150 Combi APPENDIX A WIRING DIAGRAMS 240013371 REV B 10 01 2021 ...

Страница 79: ...75 A 6 MODEL 205 Combi APPENDIX A WIRING DIAGRAMS 240013371 REV B 10 01 2021 ...

Страница 80: ...76 NOTES 240013371 REV B 10 01 2021 ...

Страница 81: ...77 NOTES 240013371 REV B 10 01 2021 ...

Страница 82: ...78 NOTES 240013371 REV B 10 01 2021 ...

Страница 83: ...TU HR input____________ Installation instructions have been followed Checkout procedure and adjustments performed Maintenance and Service issues reviewed with owner maintenance person Installation booklet affixed on or adjacent to boiler Installer Company Address Phone Installer s Name Signature ...

Страница 84: ...ction THIS 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 decreases This boiler is not used for any space heating This boiler is part of a modular or multiple boiler system having a total input of 300 000 BTU hr or greater This boiler is equipped with a...

Страница 85: ... Tel 800 325 5479 www ecrinternational com PN 240012875 REV C 10 01 2021 This manual has been prepared for use with the appropriate Installation Operation and Maintenance Manual APPLICATION GUIDE FOR USE WITH FLOOR STANDING HEATING ONLY 100F 125F 165F COMBI 115F 150F 205F ...

Страница 86: ...m 19 115F 150F 205F with zone circulators PIPING Diagram 20 115F 150F 205F with zone Circulators Wiring Diagram 21 115F 150F 205F with Zone Valves PIPING Diagram 22 115F 150F 205F with Zone Valves Wiring Diagram 23 EXTERNAL buffer TANK PIPING Diagram 24 EXTERNAL buffer TANK Wiring Diagram 26 Optional Equipment 29 CHART 1 1k Ω OUTDOOR AIR SENSOR DATA 29 CHART 2 10k Ω INDIRECT TANK 29 Accessories 30...

Страница 87: ... all requirements before beginning installation 3 Installation shall conform to requirements of authority having jurisdiction or in absence of such requirements United States National Fuel Gas Code ANSI Z223 1 NFPA 54 National Electrical Code NFPA 70 Canada Natural Gas and Propane Installation Code CAN CSA B149 1 Canadian Electrical Code Part I Safety Standard for Electrical Installations CSA C22 ...

Страница 88: ...utoff connection 3 4 NPT 22 2 mm D Optional Indirect DHW connection may exit right or left 3 4 sweat 22 2 mm NA E Heating return connection 11 4 sweat 31 75 mm 11 2 sweat 38 1 mm 100F 125F HEATING ONLY WITH OPTIONAL INDIRECT DHW CONNECTION 100F 125F HEATING ONLY WITHOUT OPTIONAL INDIRECT DHW CONNECTION 165F HEATING ONLY WITHOUT INDIRECT DHW CONNECTION E E E A A A D C C C B B B PN 240012875 REV C 1...

Страница 89: ... 4 sweat 31 75 mm 11 2 sweat 38 1 mm B DHW outlet 1 2 sweat 12 7 mm 3 4 sweat 19 1 mm C Drain connection for condensate 3 4 NPT 22 2mm D Gas shutoff connection 3 4 NPT 22 2 mm E Cold DHW inlet tap 1 2 sweat 12 7 mm 3 4 sweat 22 2 mm F Heating return connection 11 4 sweat 31 75 mm 11 2 sweat 38 1 mm E F A D C B PN 240012875 REV C 10 01 2021 ...

Страница 90: ... be maintained Limit combined supply and return pipe lengths to maximum linear lengths of 20 ft 6 1 m between boiler and closely spaced tees when minimum in NPT pipe size is used Linear length may be increased if supply and return pipe size is increased to limit pressure drop Manufacturer recommends installing a shutoff and purge valve to use during commissioning to ensure the boiler does not shut...

Страница 91: ... cut for use as shown on page 24 Increase pipe size to match Buffer tank connections as shown Locate tank as close to boiler as possible The Labor Saver Piping Manifold which is supplied with each boiler is shown with most of the following piping diagrams Use of Indirect Water Heater DHW Heating Only Boiler Note Sensors supplied with this boiler are proprietary to the manufacturer Use of alternate...

Страница 92: ...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 Wiring and Piping illustrations are meant to show system concepts only Installer is responsible for all equipment required by authority having jurisdiction Note SUPPLY Cord 120V 60HZ BOILER CONTROL 10k Ω DH...

Страница 93: ...SS VALVE DIVERTER VALVE T P OR RELIEF VALVE THERMOSTATIC MIXING VALVE DHW INDIRECT TANK INDIRECT TANK AQUASTAT 10K Ω INDIRECT DHW TANK SENSOR TEMPERATURE PRESSURE GAUGE EXPANSION TANK FLAT PLATE HEAT EXCHANGER COMBI ONLY STRAINER PIPING LEGEND PURGE VALVE MAGNETIC DIRT SEPARATOR PN 240012875 REV C 10 01 2021 ...

Страница 94: ... CIRCULATORS DHW TANK PIPING DIAGRAM 100F 125F W ZONE CIRCULATORS DHW TANK PIPING DIAGRAM 1 1 Locate shut off valve after any field installed LWCO Shut off Purge Valve MAGNETIC DIRT SEPARATOR PN 240012875 REV C 10 01 2021 ...

Страница 95: ... SUPPLIED POWER PER NEC AND LOCAL CODES Z2 Z3 ZONE THERMOSTATS Domestic Hot Water Tank w Sensor 1 2 3 4 5 6 7 8 9 10 VAC 24 G M2 M2 terminal strip on boiler 100F 125F W INDIRECT ZONE CIRCULATORS DHW TANK W SENSOR WIRING DIAGRAM 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 Manua...

Страница 96: ...LAY Fuse ZONE MODULE TO EXPANSION Transformer PTC 12A 250V 115 Vac FIELD SUPPLIED POWER PER NEC AND LOCAL CODES Z2 Z3 ZONE T STATS 1 2 3 4 5 6 7 8 9 10 VAC 24 M2 M2 terminal strip G on boiler Domestic Hot Water Tank 100F 125F W INDIRECT ZONE CIRCULATORS DHW TANK W T STAT ARGO UZ3 ZONE CONTROL WIRING DIAGRAM Reference zone control manufacturer instructions for details on setting priority if necessa...

Страница 97: ...5F WITH ZONE VALVES DHW TANK PIPING DIAGRAM 100F 125F WITH ZONE VALVES DHW TANK 1 Shut off Purge Valve 1 Locate shut off valve after any field installed LWCO MAGNETIC DIRT SEPARATOR PN 240012875 REV C 10 01 2021 ...

Страница 98: ... Transformer PTC 12A 250V 115 Vac FIELD SUPPLIED POWER PER NEC AND LOCAL CODES PRIMARY PUMP ZONE THERMOSTATS ZONE VALVES VANNES DE ZONE 4 Wire Valve 3 Wire Valve 1 2 3 4 1 2 3 Domestic Hot Water Tank w Sensor 1 2 3 4 5 6 7 8 9 10 VAC 24 M2 M2 terminal strip on boiler G 100F 125F WITH ZONE VALVES DHW TANK W SENSOR ARGO UZ3 ZONE CONTROL UZ3 If adding an indirect tank with sensor to a Heating Only Bo...

Страница 99: ...XPANSION Transformer PTC 12A 250V Domestic Hot 115 Vac FIELD SUPPLIED POWER PER NEC AND LOCAL CODES Water Tank PRIMARY PUMP ZONE THERMOSTATS ZONE VALVES VANNES DE ZONE 4 Wire Valve 3 Wire Valve 1 2 3 4 1 2 3 w T Stat 1 2 3 4 5 6 7 8 9 10 VAC 24 M2 G 100F 125F WITH ZONE VALVES DHW TANK TANK T STAT ARGO UZ3 ZONE CONTROL UZ3 Reference zone control manufacturer instructions for details on setting prio...

Страница 100: ...6 165F WITH ZONE CIRCULATORS PIPING DIAGRAM 1 Shut off Purge Valve 1 Locate shut off valve after any field installed LWCO 165F WITH ZONE CIRCULATORS MAGNETIC DIRT SEPARATOR PN 240012875 REV C 10 01 2021 ...

Страница 101: ...AL LCD USER DISPLAY Fuse ZONE MODULE TO EXPANSION Transformer PTC 12A 250V Domestic Hot 115 Vac FIELD SUPPLIED POWER PER NEC AND LOCAL CODES DHW Z2 Z3 Water Tank ZONE THERMOSTATS w T Stat 1 2 3 4 5 6 7 8 9 10 VAC 24 M2 G 165F ZONE CIRCULATORS DHW TANK TANK T STAT ARGO UZ3 ZONE CONTROL UZ3 Reference zone control manufacturer instructions for details on setting priority if necessary If adding an ind...

Страница 102: ...18 165F WITH ZONE VALVES 165F WITH ZONE VALVES PIPING DIAGRAM 1 Shut off Purge Valve 1 Locate shut off valve after any field installed LWCO MAGNETIC DIRT SEPARATOR PN 240012875 REV C 10 01 2021 ...

Страница 103: ... EXPANSION Transformer PTC 12A 250V Domestic Hot 115 Vac FIELD SUPPLIED POWER PER NEC AND LOCAL CODES Water Tank PRIMARY PUMP ZONE THERMOSTATS ZONE VALVES VANNES DE ZONE 4 Wire Valve 3 Wire Valve 1 2 3 4 1 2 3 4 1 2 3 w T Stat 1 2 3 4 5 6 7 8 9 10 VAC 24 M2 G 165F INDIRECT ZONE VALVES DHW TANK TANK T STAT ARGO UZ3 ZONE CONTROL If adding an indirect tank with Thermostat to a Heating Only Boiler cha...

Страница 104: ...F 205F WITH ZONE CIRCULATORS 115F 150F 205F WITH ZONE CIRCULATORS PIPING DIAGRAM MAGNETIC DIRT SEPARATOR 1 Shut off Purge Valve 1 Locate shut off valve after any field installed LWCO PN 240012875 REV C 10 01 2021 ...

Страница 105: ...ltage T T C THERMOSTATS ZONE VALVES ZONE 3 ZONE 2 4 3 2 1 4 3 2 1 4 3 2 1 NEC Class 2 Low Voltage 24Vac W R T T C W R T T C PRI PUMP ZC ZR DIGITAL LCD USER DISPLAY Fuse ZONE MODULE TO EXPANSION Transformer PTC 12A 250V 115 Vac FIELD SUPPLIED POWER PER NEC AND LOCAL CODES Z2 Z3 ZONE THERMOSTATS 1 2 3 4 5 6 7 8 9 10 VAC 24 M2 G M2 terminal strip on boiler 115F 150F 205F WITH ZONE CIRCULATORS ARGO UZ...

Страница 106: ...F 150F 205F WITH ZONE VALVES 115F 150F 205F WITH ZONE VALVES PIPING DIAGRAM 1 Shut off Purge Valve 1 Locate shut off valve after any field installed LWCO MAGNETIC DIRT SEPARATOR PN 240012875 REV C 10 01 2021 ...

Страница 107: ...3 ZONE 2 4 3 2 1 4 3 2 1 4 3 2 1 NEC Class 2 Low Voltage 24Vac W R T T C W R T T C PRI PUMP ZC ZR DIGITAL LCD USER DISPLAY Fuse ZONE MODULE TO EXPANSION Transformer PTC 12A 250V 115 Vac FIELD SUPPLIED POWER PER NEC AND LOCAL CODES ZONE THERMOSTATS ZONE VALVES VANNES DE ZONE 4 Wire Valve 3 Wire Valve 1 2 3 4 1 2 3 4 1 2 3 PRIMARY PUMP 1 2 3 4 5 6 7 8 9 10 VAC 24 M2 G M2 terminal strip on boiler 115...

Страница 108: ...Central Heat Circuit Buffer Tank Piping When installing low mass systems additional water mass may be required to avoid short cycling by the boiler In these applications it is recommended that a buffer tank be installed H2O Stainless Steel Buffer Tank MAGNETIC DIRT SEPARATOR PURGE VALVE Cut Manifold Use Stubs To Connect To Boiler Increase Pipe Size to Match Buffer Tank Connections PN 240012875 REV...

Страница 109: ...stem Pump Optional Indirect Tank ZONE PUMPS OR ZONE VALVES MAGNETIC DIRT SEPARATOR 1 2 NOTE Acceptable primary pump locations Either 1 or 2 For pump wiring see diagrams on pages 26 29 Buffer Tank On Central Heat Circuit With Primary Pump and Supplied Manifold PN 240012875 REV C 10 01 2021 ...

Страница 110: ...26 EXTERNAL BUFFER TANK WIRING DIAGRAM Buffer Tank Pump Wiring Controlling A Primary Pump On A Combi Boiler With Zone Valves and Indirect Tank With Priority PN 240012875 REV C 10 01 2021 ...

Страница 111: ...27 EXTERNAL BUFFER TANK WIRING DIAGRAM Buffer Tank Pump Wiring Controlling A Primary Pump On A Combi Boiler With Zone Pumps Argo ARM 4P Zone Control and A822 II PN 240012875 REV C 10 01 2021 ...

Страница 112: ...1 W R NEC Class 2 Low Voltage T T C THERMOSTATS ZONE VALVES ZONE 3 ZONE 2 4 3 2 1 4 3 2 1 4 3 2 1 NEC Class 2 Low Voltage 24Vac W R T T C W R T T C PRI PUMP ZC ZR DIGITAL LCD USER DISPLAY Fuse ZONE MODULE TO EXPANSION Transformer PTC 12A 250V Buffer Tank 115 Vac FIELD SUPPLIED POWER PER NEC AND LOCAL CODES PRIMARY PUMP ZONE THERMOSTATS ZONE VALVES VANNES DE ZONE 4 Wire Valve 1 2 3 4 1 2 3 4 CH N L...

Страница 113: ...5 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 0 2 857 89 6 767 33 8 2 730 91 4 740 35 6 2 610 93 2 713 37 4 2 496 95 0 687 39 2 2 387 96 8 663 41 0 2 284 98 6 640 42 8 2 186 100 4 617 44 6 2 093 102 2 595 46 4 2 004 100 4 617 48 2 1 920 102 2 595 50 0 1 8...

Страница 114: ...erature Refer to applicable F or C chart pg 30 for setpoint information Select Kt range which will satisfy the desired boiler delivery temperature based on outdoor temperature range expected for your location For example if you need 176 F water when the outside temperature is 20 F and colder select 35 for your Kt setting To change default Kt value on boiler control use or CH Heating buttons Restri...

Страница 115: ...163 25 3 86 2 31 9 109 0 42 5 145 0 10 80 176 27 4 93 6 36 9 125 0 48 1 164 0 Parameter PO3 for Heating Only boiler with no indirect tank remains Factory Set at 08 No change is required If adding an Indirect Tank with a sensor to Heating Only Boiler change PO3 parameter from 08 to 05 If adding an Indirect Tank with a thermostat to Heating Only Boiler change PO3 parameter from 08 to 04 See Section ...

Страница 116: ...32 CIRCULATOR CONNECTIONS WIRING DIAGRAM SINGLE ZONE CIRCULATOR WIRING USING ARGO AR822 II PN 240012875 REV C 10 01 2021 ...

Страница 117: ...33 MODEL 100 Heat Only 100 HEAT ONLY WIRING DIAGRAM PN 240012875 REV C 10 01 2021 ...

Страница 118: ...34 MODEL 125 Heat Only 125 HEAT ONLY WIRING DIAGRAM PN 240012875 REV C 10 01 2021 ...

Страница 119: ...35 MODEL 165 Heat Only 165 HEAT ONLY WIRING DIAGRAM PN 240012875 REV C 10 01 2021 ...

Страница 120: ...36 115 COMBI WIRING DIAGRAM MODEL 115 Comb PN 240012875 REV C 10 01 2021 ...

Страница 121: ...37 MODEL 150 Combi 150 COMBI WIRING DIAGRAM PN 240012875 REV C 10 01 2021 ...

Страница 122: ...38 MODEL 205 Combi 205 COMBI WIRING DIAGRAM PN 240012875 REV C 10 01 2021 ...

Страница 123: ... 160 000 180 000 200 000 220 000 0 2 000 4 000 6 000 8 000 10 000 BOILER INPUT BTUH ALTITUDE FEET MODELS 165 205 CALCULATED EFFECTS OF HI ALTITUDE ON BOILER PERFORMANCE DHW MODE HEAT MODE NET RATNG HEAT MODE 50 000 60 000 70 000 80 000 90 000 100 000 110 000 120 000 0 1 000 2 000 3 000 4 000 5 000 6 000 7 000 8 000 9 000 10 000 BOILER INPUT BTUH ALTITUDE FEET MAC 115 CALCULATEDEFFECTS OF HI ALTITU...

Страница 124: ...0 5 9 H2OI40L 186 251 150 215 116 000 14 0 5 6 H2OI50 196 254 151 231 125 000 14 0 6 2 H20I60 231 298 177 244 132 000 14 0 6 4 H20I60L 211 272 157 218 118 000 14 0 5 9 H2OI80 241 306 169 234 127 000 14 0 6 2 H2OI115 291 363 188 260 141 000 14 0 6 7 High Output Units 60HO 80HO and 115HO H2OI60HO 353 468 299 414 221 000 14 0 10 5 H2OI80HO 366 479 294 407 220 000 14 0 10 3 H2OI80HOC 386 507 314 435 2...

Страница 125: ... CEC LWCO WIRING 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 N O Locate LWCO sensing device in the supply piping above the minimum height of boiler See Figure page 42 Piping Diagram Position control in piping above boiler to assure proper boiler pr...

Страница 126: ...LWCO Note To Drain Check Local Codes for Maximum Distance to Floor Arrange piping to prevent water dripping onto boiler 1 Return Magnetic Dirt Separator Purge Valve Purge Valve Illustrations are meant to show system piping concept only Installer is responsible for all equipment and detailing required by authority having jurisdiction 1 Note Note PN 240012875 REV C 10 01 2021 ...

Страница 127: ...43 LOW WATER CUTOFF DETAIL LOW WATER CUTOFF NO NO YES PN 240012875 REV C 10 01 2021 ...

Страница 128: ...ity with 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 internal fuses Before any servicing or replacement of parts ensure the gas and electrical supplies are isolated 1 If a fault occurs on the boiler an error code may show on the fascia display E 20 E 28 E 40 E 50 E 160 E 321 ...

Страница 129: ... 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 YES Go to section I NO NO Ensure all controls and Programmers are calling for heat NO Error 160 flashing Go to section C NO Error 160 flashing Go to section C NO Error 133 flashing Go to section E Burner does not stay al...

Страница 130: ...econds and for 5 attempts YES NO YES Burner lights YES YES Error E109 flashing NO Error E110 flashing YES NO NO NO NO DHW flow rate more than 21 min Error 160 flashing Go to section C Error 160 flashing Go to section C Error 133 flashing Go to section E Burner does not stay alight after 5 seconds Error E125 flashing after 1 minute Go to section H NO Go to section L NO If E53 is displayed go to sec...

Страница 131: ... 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 connector x11 pump terminal Black See Wiring Diagram NO Replace PCB Make connections Main or Display PCB fault 120V at Pump NO Check wiring Replace Pump YES YES Is there 120V AC at fan terminals connector X11 blue to brown See ...

Страница 132: ...48 3 FAULT SOLUTION SECTIONS PN 240012875 REV C 10 01 2021 ...

Страница 133: ...22 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 CH sensors resistance reduces with increase in temp YES I I I I Is E11O is still flashing Replace pressure sensor Replace PCB I Replace sensor Go to section B Is there 120V at PCB connector x13 3 way valve terminals Blue t...

Страница 134: ...s approximately 5 VDC between the Red and Blue wires See Wiring Diagrams With water running through DHW circuit measure red and white wire for 2 8 VDC for flow triggering Check DHW NTC senor for proper OHM value Replace PCB YES YES YES YES Clean or Replace Replace PCB Replace Hall Effect Sensor Replace DHW NTC sensor NO NO NO NO PN 240012875 REV C 10 01 2021 ...

Страница 135: ...51 Parameter ID Changed From Changed To Date Reason PARAMETER CHANGE HISTORY PN 240012875 REV C 10 01 2021 ...

Страница 136: ...All specifications subject to change without notice 2021 ECR International Inc 2201 Dwyer Avenue Utica NY 13501 Tel 800 325 5479 www ecrinternational com ...

Страница 137: ...CTION 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 request in order to avoid the boiler shutoff for overheating FUNCTION INTERRUPT If either De aeration or Gas Check is interrupted by electrical power failure is necessary to reactivate the function by pressing to...

Страница 138: ...l installation de chauffage ou de production d ECS afin d éviter que la chaudière ne s éteigne suite à un problème de surchauffe INTERRUPTION DE LA FONCTION Si la fonction de désaération ou d identification du gaz est interrompue par une coupure de l alimentation électrique une fois que le courant est rétabli réactiver la fonction en appuyant simultanément sur les touches et pendant au moins 6 sec...

Страница 139: ...ever checking combustion chamber Spark Electrode Clean Set gap according to IOM directions Clean electrode with plumbers cloth to remove oxides Flame Sensor Clean sensor Condensate Neutralizer Check condensate neutralizer replace if necessary Condensate pipe trap Disconnect condensate pipe Clean out any dirt or accumulation Fill with water level of outlet and reinstall NOTE verify flow of condensa...

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