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LOW WATER CUTOFF

Low Water Cut Off - Heating Only and Combi Boilers

These guidelines are supplied when necessary to install

an additional Low Water Cut Off (LWCO), for sensing a

low water level condition in a boiler, as required by the

Authority Having Jurisdiction.

Follow LWCO manufacturer installation instructions for

type of LWCO selected in addition to these instructions.

LWCO shall be 120V/60HZ control and dry contacts sized

for load being connected. Wire control to boiler. See Figure

below.

Connect LWCO device to the system ground. Ground Boiler

in accordance with the requirements of the authority

having jurisdiction or, in the absence of such requirements,

with the National Electrical Code (NEC) or Canadian

Electrical Code CEC.

LWCO Wiring Diagram

Low Water Cutoff (LWCO)

Electrical Conduit

J-Box

120 V/60 HZ

Conduit or Power

Supply cord

(Polarized)

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 protection.

• 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 tee. See Figure page 43.

• Install an air vent using a tee to avoid nuisance

shutdowns.

• Apply small amount of pipe sealant to threaded

connections.

• Arrange piping to prevent water dripping onto boiler.
• DO NOT install water shutoff valve between boiler

and LWCO sensing device.

PN 240011430 REV. P [09/15/2021]

Содержание MAC-115

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

Страница 2: ...MAC 205 ...

Страница 3: ...CONTENTS INSTALLATION OPERATION AND MAINTENANCE MANUAL 240013354 APPLICATION GUIDE 240011430 COMMISSIONING GUIDE 240011376 REQUIRED INSPECTION SPECIAL 240011561 BACK COVER ...

Страница 4: ...MAH 165 ...

Страница 5: ...yer Avenue Utica NY 13501 Tel 800 325 5479 www ecrinternational com PN 24013354 REV B 09 15 2021 CONDENSING WALL MOUNTED GAS FIRED INSTALLATION OPERATION MAINTENANCE MANUAL Models COMBI MAC 115 MAC 150 MAC 205 HEATING ONLY MAH 100 MAH 125 MAH 165 ...

Страница 6: ...24x2 Gaskets Includes Essential Documents and Warranty 11x17 Wire Diagrams Drain Valve 5 GPM Flow Restrictor 205 Combi Only Used for Valve Connections Document Package Wall Mount Template Manifold Manifold 165 Heat Only 2 ea DHW Connections DHW connection qty vary between models Template 240013354 REV B 09 15 2021 For Parts lists see manual 240013356 included with your boiler literature package ...

Страница 7: ... 9 Start Up Procedure 47 9 1 Central Heating System Connections Heat Only 47 9 2 Central Heating System Connections Combi 48 9 3 System Start Up 49 9 4 Fill Condensate Trap With Water 49 9 5 Control Panel 50 9 6 Prior To Commissioning 51 9 7 Commissioning For The First Time 51 9 8 Automatic Calibration Function 51 9 9 Manual Calibration Function 52 9 10 De Aeration Function 52 9 11 Commission Set ...

Страница 8: ...nt 0 035 gal 0 13 L 0 053 gal 0 23L 0 10 gal 0 37 L SYSTEM When boiler is operating at maximum operating temperature providing heating with all heat emitters operating pressure gauge should not indicate more than 26 11 psi 1 80 bar If reading exceeds this figure larger expansion tank is required DIMENSIONS 100 125 115 150 165 205 Height 30 763 mm Width 17 3 4 450 mm Depth 13 9 16 345 mm 21 1 2 571...

Страница 9: ...ttom View Dimensions 41 2 7 51 2 3 51 2 101 2 125 HEAT ONLY Bottom View Dimensions 101 2 4 D E I G C B 9 1 2 31 2 D E I G C B F D E I G C B F H D E I G C B F 115 COMBI Bottom View Dimensions 5 31 2 31 2 6 9 100 HEAT ONLY Bottom View Dimensions H 240013354 REV B 09 15 2021 B A D E I G C 5 B 81 2 F 5 7 31 2 6 9 91 2 5 7 31 2 31 2 6 6 9 D C E I H G F B 5 7 31 2 31 2 6 9 7 ...

Страница 10: ...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 11: ...table 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 temperatur...

Страница 12: ...e with Motor 6 Water Safety Thermostat 7 NTC Heating sensor Flow Return QTY 2 1 Shown for clarity 8 Flue Sensor 9 Pressure Switch 10 Coaxial Flue Connector 11 Heat Exchanger Temperature Protector 12 Heat Exchanger 13 Burner not shown 14 Ignition electrode 15 Flame Detection Electrode 16 Air Gas Manifold 17 Fan 18 Venturi 19 Air Vent 2 1 10 5 8 6 7 14 15 3 13 16 12 4 19 11 9 UTICA BOILER MAH 100 17...

Страница 13: ...e with Motor 6 Water Safety Thermostat 7 NTC Heating sensor Flow Return QTY 2 1 Shown for clarity 8 Flue Sensor 9 Pressure Switch 10 Coaxial Flue Connector 11 Heat Exchanger Temperature Protector 12 Heat Exchanger 13 Burner not shown 14 Ignition electrode 15 Flame Detection Electrode 16 Air Gas Manifold 17 Venturi 18 Fan 19 Air Vent 2 1 10 5 8 6 7 14 15 3 13 18 16 17 12 4 19 11 9 Exhaust Port Inta...

Страница 14: ...changer Temperature Protector 10 Heat Exchanger 11 Burner Door Temperature Sensor 12 Burner not shown 13 Ignition Electrode 14 Flame Detection Electrode 15 Air Gas Blend Manifold 16 Air Vent 17 Venturi 18 Silencer 19 Fan Illustrations are a depiction of the boiler for general location of parts and may vary depending on model 2 1 8 7 6 5 13 9 14 4 12 19 15 17 10 16 11 18 3 Exhaust Port Intake Port ...

Страница 15: ... 5 Controlled Fast Fill 6 Gas Valve 7 NTC DHW Sensor 8 Low Water Pressure Cutoff 9 3 Way Valve with Motor 10 Check Valve 11 DHW Heat Exchanger 12 Water Safety Thermostat 13 NTC Heating sensor Flow Return QTY 2 1 Shown for clarity 14 Coaxial Connector 15 Heat Exchanger Temperature Protector 16 Flue Sensor 17 Heat Exchanger 18 Burner not shown 19 Ignition Electrode 20 Flame Detection Electrode 21 Ai...

Страница 16: ...3 NTC Heating sensor Flow Return QTY 2 1 Shown for clarity 14 Flue Sensor 15 Pressure Switch 16 Coaxial Connector 17 Heat Exchanger Temperature Protector 18 Heat Exchanger 19 Burner not shown 20 Ignition Electrode 21 Flame Detection Electrode 22 Air Gas Blend Manifold 23 Venturi 24 Fan 25 Air Vent 2 1 3 8 15 7 10 5 14 13 12 11 19 16 20 6 18 22 21 23 17 9 24 4 Illustrations are a depiction of the b...

Страница 17: ... Flue Sensor 13 Coaxial Connector 14 Heat Exchanger Temperature Protector 15 Heat Exchanger 16 Burner Door Temperature Sensor 17 Burner not shown 18 Ignition Electrode 19 Flame Detection Electrode 20 Air Gas Manifold 21 Air Vent 22 Venturi 23 Silencer 24 Fan 3 1 2 7 13 5 12 11 10 9 19 14 20 6 18 22 21 24 15 8 3 COMPONENT LISTING Illustrations are a depiction of the boiler for general location of p...

Страница 18: ...lectricity Multiple Boilers can be wall mounted placed side by side or back to back Observe service clearances in all installations For Direct Vent installations air vents are not required in room boiler is installed in or when installed in closet or compartment Requires fresh air intake piped from outdoors Install a filter on the air intake if boiler is installed in dusty or dirty enviroment A hi...

Страница 19: ...16 in 345 mm 4 2 Clearances 165 205 211 2in 571 5 mm 1 1 3 4 3 4 in in 45 mm 45 mm Left Side View of Boiler Front View of Boiler Service Clearances Combustible Clearances 1 3 4 in 45 mm 17 3 4 in Top View Top View Back Back Closet Installation 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...

Страница 20: ... of hole for flue 5 Cut hole in wall for coaxial flue See sizing below 100 115 125 150 4 3 8 110 mm diameter 165 205 5 5 16 135 mm diameter 6 Pre pipe supply and return water connections with factory fittings before wall mounting 7 Mount boiler on wall using wall mounting bracket included with unit 8 Adjust the position of the boiler verify it is level and plumb Note Lift boiler using chassis Do n...

Страница 21: ...pipe and fittings with thermal insulation shall be prohibited Failure to follow these instructions could result in death or serious injury Note Follow venting manufacturer s equivalent lengths for specialty fittings Figure 5 1 Venting Support This boiler requires a dedicated direct vent system Vent connections serving appliances vented by natural draft shall not be connected into any portion of me...

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: ...e 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 Install an air filter which allows at least 800 cfm if the area is subject to dirty or dusty intake air Boiler performance at maximum length may be impacted when an air filter is used If interior or exterior c...

Страница 24: ...to Polypropylene venting for the exhaust pipe 5 COMBUSTION AIR AND VENT PIPING 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: ...ert flue back into intake air vent and pass them through hole in wall Check all measurements before cutting Clearance to combustible materials 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...

Страница 26: ...ance to ventilated soffit FIGURE 5 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 7 Coaxial Vent Screw Placement See Figure 5 2 Two 2 sc...

Страница 27: ...ansition from Coaxial at the top of the boiler to Twin Pipe polypropylene 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 and combustion air intake are located in same general location and are of equal length Grade Snow Ice Maintain 12 305 mm US 18 457 m...

Страница 28: ... applications Follow venting manufacturer s instructions for applying the securing mechanism on twin pipe polypropylene venting Example for Natalini venting system See Figure 5 11 For other venting system suppliers see their instructions 1 Place clamp so etched UP is facing up 2 Open clamp slightly by separating circular areas from each other 3 Slide male end of first pipe through open clamp so th...

Страница 29: ...cal separation between combustion air intake 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 3 05 m Abandoned unused masonry chimney may be used as chase way for combustion air and vent Both combustion air and vent pipe must exit above top of chimn...

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: ...nt lengths based on equivalent straight runs only Include rigid pipe and fittings in overall equivalent length calculations Flexible venting installations use single wall polypropylene to pass flue gasses to base of chimney then flexible venting to get them to termination at the top Combustion air is not supplied through masonry chimney Combustion air must be from outside using 3 80 mm single wall...

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: ...tch 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 5 COMBUSTION AIR AND VENT PIPING Condensate Tee field installed on condensate drain pipe Do not glue cap on if used for dust protection End must ...

Страница 34: ...nstall 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 present Keep basket clear of sediment build up Man...

Страница 35: ...ef Valve 6 2 Special Conditions Note System piping exposed to freezing conditions Use inhibited propylene glycol solutions certified by fluid manufacturer for use with closed water heating system Do not use automotive or ethylene glycol Boiler installed above radiation level or as required by authority having jurisdiction Integral low water pressure switch is provided in boiler Boiler used in conn...

Страница 36: ...trol Boiler control allows domestic hot water prioritization WARNING Burn and scald hazard Verify all plastic caps are removed from boiler connections Failure to follow these instructions could result in death or serious injury Thoroughly flush all hydronic piping Secure all valves fittings to boiler Manufacturer recommends installing an isolation and purge valve to use during commissioning to ens...

Страница 37: ...ORE TEE OR LWCO Note 1 To Drain Check Local Codes for Maximum Distance to Floor Arrange piping to prevent water dripping onto boiler 1 Return 5 gpm Limiter Factory Installed 205 Only Purge Valve Magnetic Dirt Separator Purge Valve 240013354 REV B 09 15 2021 Note Illustrations are meant to show system piping concept only Installer is responsible for all equipment and detailing required by authority...

Страница 38: ...e to the system ground Ground in accordance with the requirements of the authority having jurisdiction or in the absence of such requirements with the National Electrical Code NEC or Canadian Electrical Code CEC Locate LWCO sensing device in the supply piping above the minimum height of boiler See Figure 6 3 Piping Diagram Position control in HORIZONTAL piping to assure proper boiler protection up...

Страница 39: ...efore entering the boiler The strainer prevents any sedimentation 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 stainer as close to the boiler as possible and place on DHW domestic hot water inlet connection located at bottom of the boiler 240013...

Страница 40: ...mber 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 accordingly When the domestic hot water demand ceases the burner will extinguish unless...

Страница 41: ...54 GAS SUPPLY REQUIRED MODEL NATURAL GAS A LIQUID PROPANE E MAH 100 92 ft3 h 2 60 m3 h 38 ft3 h 2 61 m3 h MAC 115 114 ft3 h 3 22 m3 h 47 ft3 h 1 32 m3 h MAH 125 118 ft3 h 3 30 m3 h 51 ft3 h 1 48 m3 h MAC 150 143 ft3 h 4 00 m3 h 61 ft3 h 1 72 m3 h MAH 165 153 ft3 h 4 30 m3 h 66 ft3 h 1 85 m3 h MAH 205 191 ft3 h 5 40 m3 h 82 ft3 h 2 30 m3 h Install boiler so that gas ignition system components are p...

Страница 42: ...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 43: ...68 118 137 227 265 60 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 ...

Страница 44: ...r 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 Model 100 115 4 6 mm Natural LP Models 125 150 5 8 mm Natural LP Models 165 205 9 0 mm Natural LP NOTICE Sediment trap shall be located u...

Страница 45: ...eral location on all sizes 8 ELECTRICAL CONNECTIONS Note Wiring diagrams can be found in Appendix A of this Manual 8 3 Electrical Connections Boiler requires 120V 60Hz power supply Verify electrical supply is polarized Boiler shall be grounded and on dedicated circuit Shall be one common isolator providing electrical isolation for boiler and any external controls Using PVC insulated cable 18 AWGx3...

Страница 46: ...orated 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 DANGER Electr...

Страница 47: ...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 48: ...emperatures below 40 F 40 C maximum heating flow temperature set point no longer increases curves shown on graph become horizontal Boiler set point will override sensor set point Flow temp Outside temp 8 ELECTRICAL CONNECTIONS 240013354 REV B 09 15 2021 ...

Страница 49: ...facturer Use of after market sensors will diminish boiler performance 10K Ω Sensor 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 an...

Страница 50: ...46 8 ELECTRICAL CONNECTIONS FIGURE 8 8 Circulator Pump Connections For more information please review the application guide received with your boiler 240013354 REV B 09 15 2021 ...

Страница 51: ... ID Hose 3 4 NPT I Heating supply connection 3 4 22 2 mm 1 25 4 mm J Optional Indirect DHW connection 3 4 22 2 mm na MANIFOLD MAH 100 MAH 125 9 START UP PROCEDURE 9 1 Central Heating System Connections HEAT ONLY MAH 100 MAH 125 HEAT ONLY WITH OPTIONAL INDIRECT DHW CONNECTION MAH 100 MAH 125 HEAT ONLY WITHOUT OPTIONAL INDIRECT DHW CONNECTION MAH 165 HEAT ONLY MANIFOLD MAH 165 A C E I B H 240013354 ...

Страница 52: ...on for Combi 1 2 15 9 mm 3 4 NPT E Gas shutoff connection 3 4 22 2 mm F Boiler Fast Fill External to Boiler NA G DHW outlet indirect storage tank connection 1 2 15 9 mm 3 4 NPT H Drain connection for condensate 13 16 21 mm ID Hose 3 4 NPT I Heating supply connection 3 4 22 2 mm 1 25 4 mm J Manifold 1 1 4 6 35 mm NA K 5 gpm DHW flow restrictor Factory installed 205 only na 3 4 22 2 mm A B H I E C M...

Страница 53: ...ws out Close drain as soon as water appears During initial system air purge open valve connected to top left of 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 ...

Страница 54: ...facturing information 06 Heating return temperature F C 16 Manufacturing information 07 Thermo fuse status 000 001 17 Fan speed 17 x100 08 Not used 18 Manufacturing information DHW temperature adjustment to increase the temperature and to decrease it Heating water temperature adjustment to increase the temperature and to decrease it Boiler operating information Operating mode DHW DHW Heating Heati...

Страница 55: ...OTICE All connections shall be made and water added before performing this function 9 6 Prior to Commissioning Check system pressure is correct Power boiler Open gas tap positioned under boiler Select required heating mode See section 10 4 Operating Modes Note Boiler must not shutoff during calibration Open all heating zones in heating or DHW mode to ensure boiler does not shutoff 9 8 Automatic Ca...

Страница 56: ... 3 Gas Inlet Tap Pi 9 START UP PROCEDURE PI Gas Supply Inlet Pressure Tap IMPORTANT INFORMATION A If venting or 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...

Страница 57: ...mbustion analyzer for combustion analysis During normal operation boiler performs combustion control cycles In this phase CO values higher than 400 ppm can occur for brief periods of time 9 START UP PROCEDURE Automatically calculated from the PCB 9 14 Check Firing Rate 1 Measure input if a gas meter is installed in the system Turn off gas to all other appliances Activate some heating zones to diss...

Страница 58: ...ample Natural Gas Gas flow from Meter 2 cu ft Measured time 72 seconds 3600 x 2 cu ft 100 MBH 72 seconds For Propane LP Input MBH 9160 x cu ft seconds For Metric formulas See Glossary 2 Compare measured input to table below If calculated input is not in range given in Table 9 2 check firing rate again after setting the combustion following steps in section 9 12 Input Rate MBH Approximate Rate 100 ...

Страница 59: ... minimum setpoint 10V maximum setpoint 2 Power Setpoint 3V minimum power 10V maximum power 0 P82 4 Disabled 3 Enabled 0 10V DC Input 4 P11 P12 Manufacturer information P13 Max heating 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 Selectable Range 20 80 20 C to 80 C 68 F to 176 F 00 P17 Pump overrun time in he...

Страница 60: ...8 200 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 0 80 65 102 300 30 0 88 71 109 200 32 0 96 75 112 600 33 0 100 80 Btu h kW MAH 165 MAC 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 61: ...t water required during central heating period boiler automatically switches to hot water mode until demand is satisfied i e storage water is to required temperature This interruption in central heating is only when demand for hot water is present and should not be noticed by the User 10 3 Central Heating Mode 1 With demand for heating pump circulates water through the primary circuit 2 After a 3 ...

Страница 62: ...iler 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 Device protects primary exchanger from damage It will not allow boiler to run in a LOW water ...

Страница 63: ... 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 11 GENERAL MAINTENANCE AND CLEANING Circulator pump and combustion air blower motor furnished with boiler are permanently lubricated from factory and require no further lubrication Lubricate fiel...

Страница 64: ...o could result in death or serious injury CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Failure to follow these instructions could result in minor or moderate injury 11 2 Maintenance And Routine Servicing Check and service boiler as necessary Frequency of servicing will depend upon installation conditions and usage m...

Страница 65: ...r serious injury 11 4 Draining the 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 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 i n in...

Страница 66: ...ference across heating supply and return pipes at the boiler Check system for proper volume and pressure See page 4 for acceptable volume and pressure Turn off boiler Thoroughly flush water pipe work Clean filters 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 previous...

Страница 67: ...personnel D Ensure boiler controls and 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 ...

Страница 68: ... DHW temp 140 F 60 C 1 2 Copper stub adapters included with boiler 240013354 REV B 09 15 2021 Model Number CH Input MBH 1 1 2 CH Heating Capacity MBH 1 3 Net AHRI Rating Water MBH 2 AFUE Maximum Minimum MAH 100 93 5 16 6 85 4 74 95 0 MAC 115 93 5 16 6 85 4 74 95 0 MAH 125 125 22 113 98 95 0 MAC 150 125 22 113 98 95 0 MAH 165 164 29 5 153 133 95 0 MAC 205 164 29 5 153 133 95 0 1 1000 Btu hr British...

Страница 69: ...x DHW Flow rate 3 5 gpm 13 2 l min MAC 205 Max DHW flow rate 5 0 gpm 18 9 L min 12 3 High Altitude Ratings 12 4 High Altitude Chart 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 5350 75 5250 115 Setting RPM 220 7 200 190 6 900 220 7 200 190 6 900 125 ...

Страница 70: ...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 240013354 REV B 09 15 2021 ...

Страница 71: ... 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 117 Hydraulic pressure too hi...

Страница 72: ...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 73: ... P34 C02 P35 C03 P36 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 DHW NO FROST ON 8 THERMOSTATIC POST CIRCULATION TEMPERATURE C00 LAST FAILURE C06 FIRST FAILURE C07 LAST LOCKOUT C09 FIRST LOCKOUT PHASE STATUS CODES 0 STANDBY 1 PRE PURGE 3 INTER PU...

Страница 74: ...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 14 GLOSSARY DIRECT VENT BOILER Boil...

Страница 75: ... 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 76: ...TC return Sensor Sonde NTC retour 10 NTC flow sensor Sonde NTC départ 11 Remote User Interface or Open Therm 12 Prov for Outside Sensor Pred Sonde Extérieure 13 Link 24V Joint 24V 14 Flame Sensing Electrode Electrode présence veilleuse 15 Ignition Electrode Electrode d allumage 16 Three Way Valve Soupape Trois Voies 17 Pump Pompe 18 Flue Safety Thermostat Thermostat Fumées 19 Link 0 10V Joint 0 10...

Страница 77: ...73 APPENDIX A WIRING DIAGRAMS A 2 MODEL 125 Heat Only 240013354 REV B 09 15 2021 ...

Страница 78: ...74 APPENDIX A WIRING DIAGRAMS A 3 MODEL 165 Heat Only 240013354 REV B 09 15 2021 ...

Страница 79: ...75 APPENDIX A WIRING DIAGRAMS A 1 MODEL 115 Combi 240013354 REV B 09 15 2021 ...

Страница 80: ...76 APPENDIX A WIRING DIAGRAMS A 4 MODEL 150 Combi 240013354 REV B 09 15 2021 ...

Страница 81: ...77 APPENDIX A WIRING DIAGRAMS A 5 MODEL 205 Combi 240013354 REV B 09 15 2021 ...

Страница 82: ...78 NOTES 240013354 REV B 09 15 2021 ...

Страница 83: ...___________ 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 240013354 REV B 09 15 2021 ...

Страница 84: ...s This feature is equipped with an override which is provided primarily to permit the use of an external energy management system that serves the same function 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...

Страница 85: ...a NY 13501 Tel 800 325 5479 www ecrinternational com PN 240011430 REV P 09 15 2021 This manual has been prepared for use with the appropriate Installation Operation and Maintenance Manual APPLICATION GUIDE FOR USE WITH HEATING ONLY 100 125 165 COMBI 115 150 205 ...

Страница 86: ... With Zone Circulators Piping Diagram 20 115 150 205 With Zone Circulators Wiring Diagram 21 115 150 205 With Zone Valves Piping Diagram 22 115 150 205 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 Sensor Data 29 Accessories 30 Outdoor Tempera...

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: ...Hose 3 4 NPT I Heating supply connection 3 4 22 2mm 1 25 4mm J Optional Indirect DHW connection 3 4 22 2mm na MANIFOLD 100 125 115 150 LABOR SAVING PIPING MANIFOLDS NEAR BOILER PIPING CONNECTIONS 100 125 HEATING ONLY WITHOUT OPTIONAL INDIRECT DHW CONNECTION 165 HEATING ONLY MANIFOLD 165 A C E I B H 100 125 HEATING ONLY WITH OPTIONAL INDIRECT DHW CONNECTION 1 1 2 Header 1 1 2 Header PN 240011430 RE...

Страница 89: ...Gas shutoff connection 3 4 22 2mm F Cold DHW inlet tap 1 2 15 9mm na G DHW outlet 1 2 15 9mm 3 4 NPT H Drain connection for condensate 13 16 21mm ID Hose 3 4 NPT I Heating supply connection 3 4 22 2mm 1 25 4mm J Manifold 1 1 4 31 75 mm 1 1 2 38 1 mm K 5 gpm DHW flow restrictor Factory installed 205 only na 3 4 22 2mm MANIFOLD 205 205 COMBI 205 COMBI A B H I E C K G D 115 150 COMBI A D C F G E I B ...

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 Use of Indirect Water Heater DHW Heating Only Boiler Note Sensors supplied with this boiler are proprietary to the manufacturer Use of alternate sensors WILL diminish boiler performance Use DHW sensor kit 550003189 to interface with boiler Wire to M2 terminals 3 ...

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 240011430 REV P 09 15 2021 ...

Страница 94: ... CIRCULATORS DHW TANK PIPING DIAGRAM 100 125 W ZONE CIRCULATORS DHW TANK PIPING DIAGRAM MAGNETIC DIRT SEPARATOR 1 1 Locate shut off valve after any field installed LWCO Shut off Purge Valve PN 240011430 REV P 09 15 2021 ...

Страница 95: ...AY Fuse ZONE MODULE TO EXPANSION Transformer PTC 12A 250V 115 Vac FIELD 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 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: ...ELD 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 100 125 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 necessary If adding an indirect tank with Thermostat to a Heating Only Boiler ...

Страница 97: ...25 WITH ZONE VALVES DHW TANK PIPING DIAGRAM 100 125 WITH ZONE VALVES DHW TANK MAGNETIC DIRT SEPARATOR 1 Shut off Purge Valve 1 Locate shut off valve after any field installed LWCO PN 240011430 REV P 09 15 2021 ...

Страница 98: ... 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 100 125 WITH ZONE VALVES DHW TANK W SENSOR WIRING DIAGRAM 100 125 WITH ZONE VALVES DHW TANK W SENSOR ARGO UZ3 ZONE CONTROL If adding an indirect tank with sensor to a Heating Only Boiler c...

Страница 99: ...c 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 100 125 ZONE VALVES DHW TANK W T STAT WIRING DIAGRAM 100 125 WITH ZONE VALVES DHW TANK TANK T STAT ARGO UZ3 ZONE CONTROL Reference zone control manufacturer instructions for details on setting priority i...

Страница 100: ...16 165 WITH ZONE CIRCULATORS PIPING DIAGRAM MAGNETIC DIRT SEPARATOR 1 Shut off Purge Valve 1 Locate shut off valve after any field installed LWCO 165 WITH ZONE CIRCULATORS PN 240011430 REV P 09 15 2021 ...

Страница 101: ...TC 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 165 INDIRECT ZONE CIRCULATORS DHW TANK W T STAT WIRING DIAGRAM 165 ZONE CIRCULATORS DHW TANK TANK T STAT ARGO UZ3 ZONE CONTROL Reference zone control manufacturer instructions for details on setting priority if necessary If adding an indirect...

Страница 102: ...18 165 WITH 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 240011430 REV P 09 15 2021 ...

Страница 103: ...PLIED 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 165 WITH INDIRECT ZONE VALVES DHW TANK TANK T STAT WIRING DIAGRAM 165 INDIRECT ZONE VALVES DHW TANK TANK T STAT ARGO UZ3 ZONE CONTROL If adding an indirect tank with Thermostat to a Heating Only Boiler chan...

Страница 104: ... 205 WITH ZONE CIRCULATOR PUMPS 115 150 205 WITH ZONE CIRCULATORS PIPING DIAGRAM MAGNETIC DIRT SEPARATOR 1 Shut off Purge Valve 1 Locate shut off valve after any field installed LWCO PN 240011430 REV P 09 15 2021 ...

Страница 105: ... 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 115 150 205 WITH ZONE CIRCULATORS WIRING DIAGRAM 115 150 205 WITH ZONE CIRCULATORS ARGO UZ3 Z...

Страница 106: ...115 150 205 WITH ZONE VALVES 115 150 205 WITH ZONE VALVES PIPING DIAGRAM MAGNETIC DIRT SEPARATOR 1 Shut off Purge Valve 1 Locate shut off valve after any field installed LWCO PN 240011430 REV P 09 15 2021 ...

Страница 107: ... 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 115 150 205 WITH ZONE VALVES WIRING DIAGRAM 115...

Страница 108: ...uit Using Internal Boiler Circulator 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 ...

Страница 109: ...ANK PIPING DIAGRAM 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 240011430 REV P 09 15 2021 ...

Страница 110: ...26 EXTERNAL BUFFER TANK WIRING DIAGRAM Buffer Tank Pump Wiring Controlling A Primary Pump On A Combi Boiler With Zone Valves No Indirect Tank PN 240011430 REV P 09 15 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 240011430 REV P 09 15 2021 ...

Страница 112: ... 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 L1...

Страница 113: ...2 2 4 804 69 8 1 170 14 0 4 574 71 6 1 125 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 00...

Страница 114: ...ur Kt setting To change default Kt value on boiler control use or CH Heating buttons Restrict the upper limit of the Kt curve by using Parameter P16 to set the maximum boiler water temperature P16 Default is 176 F 3 When OAS is installed pressing or buttons will no longer display boiler CH setpoint temperature It now displays the Kt value which can range from 10 to 90 4 When scrolling has stopped ...

Страница 115: ... 4 52 4 19 2 65 5 25 5 87 0 7 57 135 18 5 63 1 23 4 80 0 31 1 106 0 8 65 149 22 2 75 7 27 7 94 5 36 6 125 0 9 73 163 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 To activate the 0 10v function parameter 82 must be set to 3 There must be at or above 3 V DC present for the control to recognize a call for heat When P78 1 the 0 10v input manages CH heating setpoint directl...

Страница 116: ...32 CIRCULATOR CONNECTIONS WIRING DIAGRAM Single Zone Circulator Wiring Using ARGO AR822 II PN 240011430 REV P 09 15 2021 ...

Страница 117: ... NTC retour 10 NTC flow sensor Sonde NTC départ 11 Remote User Interface or Open Therm 12 Prov for Outside Sensor Pred Sonde Extérieure 13 Link 24V Joint 24V 14 Flame Sensing Electrode Electrode présence veilleuse 15 Ignition Electrode Electrode d allumage 16 Three Way Valve Soupape Trois Voies 17 Pump Pompe 18 Flue Safety Thermostat Thermostat Fumées 19 Link 0 10V Joint 0 10V 20 Condensate sensor...

Страница 118: ...34 MODEL 125 Heat Only 125 HEAT ONLY WIRING DIAGRAM PN 240011430 REV P 09 15 2021 ...

Страница 119: ...35 MODEL 165 Heat Only 165 HEAT ONLY WIRING DIAGRAM PN 240011430 REV P 09 15 2021 ...

Страница 120: ...36 115 COMBI WIRING DIAGRAM MODEL 115 Combi PN 240011430 REV P 09 15 2021 ...

Страница 121: ...37 MODEL 150 Combi 150 COMBI WIRING DIAGRAM PN 240011430 REV P 09 15 2021 ...

Страница 122: ...38 MODEL 205 Combi 205 COMBI WIRING DIAGRAM PN 240011430 REV P 09 15 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 CALCULATED EFFECTS OF HI ALTIT...

Страница 124: ...T WATER TANK PERFORMANCE CHART HEATING ONLY BOILERS 100 125 165 Notes 176 F Boiler Supply Water Temperature AHRI Conditions 50 F Inlet Water 240 GPH Flow Rate BOILER OUTPUT NEEDED FOR MAXIMUM PERFORMANCE PN 240011430 REV P 09 15 2021 ...

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: ... Check Local Codes for Maximum Distance to Floor Arrange piping to prevent water dripping onto boiler 1 Return 5 gpm Limiter Factory Installed 205 Only Magnetic Dirt Separator Purge Valve 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 PN 240011430 REV P 09 15 2021 ...

Страница 127: ...43 Low Water Cutoff Detail LOW WATER CUTOFF NO NO YES PN 240011430 REV P 09 15 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 facia display E 20 E 28 E 40 E 50 E 160 E 321 a...

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 240011430 REV P 09 15 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 240011430 REV P 09 15 2021 ...

Страница 135: ...51 Parameter ID Changed From Changed To Date Reason PARAMETER CHANGE HISTORY PN 240011430 REV P 09 15 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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