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57

9.17 Adjusting Maximum Heating Power

Maximum boiler heating power can be reduced to suit 

requirements of heating system it serves. 
Table showing parameter 

P13

 values according to 

desired maximum power model is shown for each single 

boiler.
To access and edit 

P13

 values, proceed as described in 

Section 9.15 Parameter Settings.

Boiler Model - PARAMETER P13 (%)/ Heating Output

Btu/h

KW

MAHF-125 MACF-150

20,400

6.0

0

0

23,800

7.0

4

3

27,200

8.0

7

6

30,700

9.0

11

9

34,100

10.0

15

12

40,900

12.0

22

18

47,700

14.0

30

24

54,500

16.0

37

29

61,400

18.0

44

35

68,200

20.0

52

41

75,100

22.0

59

47

81,900

24.0

67

53

88,700

26.0

74

59

95,500

28.0

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

127,000

37.2

80

65

136,900

40.1

88

71

145,300

42.6

96

75

151,700

44.4

100

80

Btu/h

kW

MAHF-75

MAHF-100

16,600

5.0

0

0

0

20,473

6.0

4

4

3

23,885

7.0

7

7

6

27,297

8.0

11

11

9

30,709

9.0

15

15

12

34,121

10.0

18

18

15

40,946

12.0

25

25

21

47,770

14.0

35

35

28

54,594

16.0

45

45

65

61,419

18.0

57

57

45

68,243

20.0

68

68

55

75,067

22.0

73

73

65

81,891

24.0

-

95

75

85,400

25.0

-

100

80

240013503 REV A, [03/15/2022]

Summary of Contents for UTICA BOILERS MACF-115

Page 1: ...anufactured by ECR International Inc 2201 Dwyer Avenue Utica NY 13501 Tel 800 325 5479 www ecrinternational com MAHF 75 MAHF 100 MACF 115 MAHF 125 MACF 150 MAHF 165 MACF 205 CONDENSING GAS FIRED BOILE...

Page 2: ...MACF 150...

Page 3: ...CONTENTS INSTALLATION OPERATION AND MAINTENANCE MANUAL 240013503 APPLICATION GUIDE 240012875 COMMISSIONING GUIDE 240011376 REQUIRED INSPECTION SPECIAL 240011561 BACK COVER...

Page 4: ...MAHF 125...

Page 5: ...NTENANCE MANUAL Models COMBI MACF 115 MACF 150 MACF 205 HEATING ONLY MAHF 75 MAHF 100 MAHF 125 MAHF 165 Manufactured by ECR International Inc 2201 Dwyer Avenue Utica NY 13501 Tel 800 325 5479 www ecri...

Page 6: ...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 th...

Page 7: ...ct Storage Tank 46 8 9 Management Of 0 10v Input 46 9 Start Up Procedure 48 9 1 Central Heating System Connections Heat Only 48 9 2 Central Heating System Connections Combi 48 9 3 System Start Up 49 9...

Page 8: ...r 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 80 L 11 4 gal 4 73 L Central Heating Se...

Page 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...

Page 10: ...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 2...

Page 11: ...zing 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 ba...

Page 12: ...imited to Installation by licensed plumber or gas fitter 2 6 The unit MUST NOT Directly heat potable water Indirect heating is acceptable Heat water with non hydronic heating system chemicals present...

Page 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 Tempe...

Page 14: ...ator 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 Moto...

Page 15: ...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 Ex...

Page 16: ...ating 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 Retur...

Page 17: ...9 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 Heatin...

Page 18: ...nnection 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 clarit...

Page 19: ...well gas is not manufacturer recommended with this boiler 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...

Page 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...

Page 21: ...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 S...

Page 22: ...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...

Page 23: ...specified sized pipes are to be used When using venting material other than boiler manufacturer s venting note the correct installation procedure Failure to follow these instructions could result in d...

Page 24: ...opylene venting for the exhaust pipe See Figures 5 8 to 5 10 for L1 L2 details VENT MATERIAL OPTIONS Maximum Equivalent Vent Length Shown 165 205 Vent Type Vent Size Vent Material Intake L1 Exhaust L2...

Page 25: ...le materials is zero when using coaxial vent system After installing venting use calibrated analyzer to verify there is no recirculation of combustion Ensure Horizontal termination is positioned with...

Page 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 Appl...

Page 27: ...highest anticipated snow level 24 610 mm above roof Avoid locations where snow may drift and block vent and combustion air Ice or snow may cause boiler to shut down if vent or combustion air becomes...

Page 28: ...s See Figures 5 13 thru 5 14 1 Inspect Coaxial Connector on top of boiler Confirm the factory installed inner and outer gaskets are in place 2 Insert the Flue adapter 1 into the Coax connector push do...

Page 29: ...he Flue adapter 1 into the Coax connector push down firmly to fully seat it Figure 5 16 3 Remove 3 screws securing the Fresh Air cover plate 2 Figure 5 17 4 Remove the gasket and discard 5 Install the...

Page 30: ...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 13 Securing Twin Pipe Polyp...

Page 31: ...nt pipe must exit above top of chimney with clearances as shown in Figure 5 14 Vent Terminal Combustion Air Ground Level FIGURE 5 21 Twin Pipe on Roof Combustion Air On Sidewall CAN BE USED ON ALL SIZ...

Page 32: ...IZES 3 80 mm Min 24 610 mm Max Separation See Grade Snow Ice Combustion Air Vent FIGURE 5 29 2 60 mm ONLY Vent Pipe with T CAN BE USED ON ALL SIZES Combustion Air Vent 3 80 mm Min 24 610 mm Max Separa...

Page 33: ...chimney Avoid sharp bends in flexible venting FIGURE 5 33 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...

Page 34: ...r 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...

Page 35: ...liminate any sages Use field source condensate pump designated for use with condensing boiler if boiler located below disposal point Condensate pump should have overflow switch Condensate from Boiler...

Page 36: ...ves 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...

Page 37: ...tructions 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...

Page 38: ...nge 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...

Page 39: ...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 el...

Page 40: ...tation 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 Loca...

Page 41: ...ure relief valve 30 0 psi 2 1 bar Boiler internal pressure switch will shut boiler off below 7 5 psi 0 5 bar and above 43 5 psi 3 0 bar 6 9 Frost Protection Mode Frost protection mode is integrated in...

Page 42: ...as 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 Su...

Page 43: ...tallic 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 heate...

Page 44: ...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 Regulat...

Page 45: ...sive 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 i...

Page 46: ...supply 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 Le...

Page 47: ...ch is high voltage 120V 60Hz Fuses 3 15 A are 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 G...

Page 48: ...K sensor and instructions supplied with 1K sensor B Setting Kt Climate Curve 1 Boiler automatically recognizes OAS sensor when wired to M2 terminal block Display changes to show current default Kt val...

Page 49: ...ger increases curves shown on graph become horizontal FIGURE 8 6 Kt Climate Curves 80 Is Default Flow temp Outside temp 80 Is Default Boiler Set Point Temp Boiler Set Point Temp Centigrade C Fahrenhei...

Page 50: ...ndirect 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 manage...

Page 51: ...For more information please review the application guide received with your boiler 8 ELECTRICAL CONNECTIONS A field supplied pump relay is necessary for system pumps Thermostat or Endswitch from zone...

Page 52: ...MAHF 75 100 125 HEATING ONLY WITHOUT OPTIONAL INDIRECT DHW CONNECTION 9 2 Central Heating System Connections Combi MACF 115 150 205 COMBI 150 shown LEGEND 75 100 115 150 205 A Heating supply connectio...

Page 53: ...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...

Page 54: ...abled 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 Secon...

Page 55: ...he 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 over...

Page 56: ...A If display shows fault E118 low pressure in hydraulic circuit open filling tap on appliance and restore correct pressure B If gas recognition function is interrupted due to fault e g E133 no gas pr...

Page 57: ...ue 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 t...

Page 58: ...eck firing rate again after setting the combustion following steps in section 9 12 9 START UP PROCEDURE NOTICE Important Record any changes made to Parameters on chart found on Page 46 of the Applicat...

Page 59: ...information P32 P41 Diagnostics See SERVICE Instructions 9 16 Description Of Parameters Factory Settings FACTORY SETTINGS 75 100 125 165 115 150 205 P01 DHW Fast Modulation 00 Standard Modulation on D...

Page 60: ...50 5700 7250 7200 P72 Minimum Fan Speed Setting 50 50 50 50 55 55 40 25 40 35 43 45 40 45 RPM 1250 1250 1250 1250 1300 1300 1150 1000 1150 1100 1180 1200 1150 1200 To calculate fan speeds P70 x 100 P7...

Page 61: ...00 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...

Page 62: ...n comes on at ignition speed closing the air pressure switch if applicable to model allowing power to spark generator and gas valve creating ignition in the combustion chamber 3 Flame sensor acknowled...

Page 63: ...board monitors boiler water and DHW temperatures and modulates fan speed and gas rate accordingly Call for domestic water heating ends when the aquastat or tank sensor is satisfied Heat Only Boiler 1...

Page 64: ...Verify proper operation after servicing Note Perform regular service and maintenance by qualified service agency at least once every 12 months to assure safe trouble free operation and maximum efficie...

Page 65: ...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 conver...

Page 66: ...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 s...

Page 67: ...ng valves Repressurize the system 11 9 Final Assembly Place front jacket in position over boiler Secure in position using screws previously removed If boiler is to be left in service set controls and...

Page 68: ...C Servicing or replacement of parts shall be carried out by a qualified personnel D Ensure boiler controls and room thermostat if fitted are set to User s requirements E Explain to User an internal fr...

Page 69: ...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 75 75 16 6 68 2 60 92 0 MAHF 100 93 5 16 6 85 4 74 95 0...

Page 70: ...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 Al...

Page 71: ...d 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 Minim...

Page 72: ...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 i...

Page 73: ...nd 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 Combustio...

Page 74: ...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...

Page 75: ...wood compressed paper plant fibers or other materials capable of being ignited and burned Such material shall be considered combustible even though flame proofed fire retardant treated or plastered C...

Page 76: ...or servicing of appliances and equipment Experienced in such work Familiar with all precautions required Complies with all requirements of authority having jurisdiction SAFETY RELIEF VALVE Valve desig...

Page 77: ...73 A 1 MODEL 75 100 Heat Only APPENDIX A WIRING DIAGRAMS 240013503 REV A 03 15 2022...

Page 78: ...74 A 2 MODEL 125 Heat Only APPENDIX A WIRING DIAGRAMS 240013503 REV A 03 15 2022...

Page 79: ...75 APPENDIX A WIRING DIAGRAMS A 3 MODEL 165 Heat Only 240013503 REV A 03 15 2022...

Page 80: ...76 APPENDIX A WIRING DIAGRAMS A 4 MODEL 115 Combi 240013503 REV A 03 15 2022...

Page 81: ...77 A 5 MODEL 150 Combi APPENDIX A WIRING DIAGRAMS 240013503 REV A 03 15 2022...

Page 82: ...78 A 6 MODEL 205 Combi APPENDIX A WIRING DIAGRAMS 240013503 REV A 03 15 2022...

Page 83: ...BTU HR input____________ Installation instructions have been followed Checkout procedure and adjustments performed Maintenance and Service issues reviewed with owner maintenance person Installation bo...

Page 84: ...tion 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 l...

Page 85: ...l 800 325 5479 www ecrinternational com PN 240012875 REV D 03 15 2022 APPLICATION GUIDE FOR USE WITH FLOOR STANDING HEATING ONLY 75F 100F 125F 165F COMBI 115F 150F 205F This manual has been prepared f...

Page 86: ...Tank Tank T Stat Wiring Dia 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...

Page 87: ...ad this manual and understand all requirements before beginning installation 3 Installation shall conform to requirements of authority having jurisdiction or in absence of such requirements United Sta...

Page 88: ...densate Drain Connection 1 2 NPT C Gas Shutoff Connection 3 4 NPT 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 8 mm 11 2 swe...

Page 89: ...A Heating Supply Connection 11 4 sweat 31 75 mm 11 2 sweat 38 1 mm B Domestic Hot Water Outlet 1 2 sweat 12 7 mm 3 4 sweat 22 2 mm C Condensate Drain Connection 1 2 NPT D Gas Shutoff Connection 3 4 NP...

Page 90: ...CAN CSA B149 1 Manufacturer Requirements Recommendations Manufacturer requires all domestic hot water DHW installations use an anti scald valve Local codes may require additional equipment expansion...

Page 91: ...boiler pump manifold shall be 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 wh...

Page 92: ...ter Tank and optional use of a H2O Buffer Tank Reference the zone control manufacturer instruction manual for control operation and priority setting of DHW zones Note DO NOT use 120 V thermostat termi...

Page 93: ...ION FILL FLOW CHECK VALVE BYPASS VALVE DIVERTER VALVE T P OR RELIEF VALVE THERMOSTATIC MIXING VALVE DHW INDIRECT TANK INDIRECT TANK AQUASTAT 10K INDIRECT DHW TANK SENSOR TEMPERATURE PRESSURE GAUGE EXP...

Page 94: ...15 2022 75F 100F 125F W ZONE CIRCULATORS DHW TANK PIPING DIAGRAM 75F 100F 125F W ZONE CIRCULATORS DHW TANK PIPING DIAGRAM 1 Shut off Purge Valve MAGNETIC DIRT SEPARATOR 1 Locate shut off valve after...

Page 95: ...sensor to a Heating Only Boiler change P03 from 08 to 05 See Section 9 Parameter Settings in Boiler Installation Operation Maintenance Manual for details Reference zone control manufacturer instructio...

Page 96: ...er Installation Operation Maintenance Manual for details ZONE 1 LINE 24V Vac L C R 115 Vac N L 1 N 115 COM Vac ZR ZC N L 3 N L 2 115 Vac N L 1 L N ZONE CIRCULATOR X X X X X 3 2 1 X NEC Class 2 Low Vol...

Page 97: ...REV D 03 15 2022 1 Shut off Purge Valve MAGNETIC DIRT SEPARATOR 75F 100F 125F WITH ZONE VALVES DHW TANK PIPING DIAGRAM 75F 100F 125F WITH ZONE VALVES DHW TANK 1 Locate shut off valve after any field...

Page 98: ...DHW TANK W SENSOR ARGO UZ3 ZONE CONTROL UZ3 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 M...

Page 99: ...s 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 Domestic Hot 115 Vac FIELD SUPPLIED POWER PER NEC AND LOCAL COD...

Page 100: ...PN 240012875 REV D 03 15 2022 1 Shut off Purge Valve MAGNETIC DIRT SEPARATOR 165F WITH ZONE CIRCULATORS PIPING DIAGRAM 1 Locate shut off valve after any field installed LWCO 165F WITH ZONE CIRCULATOR...

Page 101: ...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 Domestic Hot 115 Vac FIELD SUPPLI...

Page 102: ...18 PN 240012875 REV D 03 15 2022 1 Shut off Purge Valve MAGNETIC DIRT SEPARATOR 165F WITH ZONE VALVES 165F WITH ZONE VALVES PIPING DIAGRAM 1 Locate shut off valve after any field installed LWCO...

Page 103: ...ssary ZONE 1 LINE 24V Vac L C R 115 Vac N L 1 N 115 COM Vac ZR ZC N L 3 N L 2 115 Vac N L 1 L N ZONE CIRCULATOR X X X X X 3 2 1 X NEC Class 2 Low Voltage ZONE 3 ZONE 2 ZONE 1 W R NEC Class 2 Low Volta...

Page 104: ...875 REV D 03 15 2022 115F 150F 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 ins...

Page 105: ...OR X X X X X 3 2 1 X NEC Class 2 Low Voltage ZONE 3 ZONE 2 ZONE 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...

Page 106: ...40012875 REV D 03 15 2022 115F 150F 205F WITH ZONE VALVES 115F 150F 205F WITH ZONE VALVES PIPING DIAGRAM 1 Locate shut off valve after any field installed LWCO 1 Shut off Purge Valve MAGNETIC DIRT SEP...

Page 107: ...ONE 3 ZONE 2 ZONE 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 DI...

Page 108: ...fer 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...

Page 109: ...Buffer Tank PURGE VALVE CH System 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...

Page 110: ...26 PN 240012875 REV D 03 15 2022 EXTERNAL BUFFER TANK WIRING DIAGRAM Buffer Tank Pump Wiring Controlling A Primary Pump On A Combi Boiler With Zone Valves No Indirect Tank...

Page 111: ...27 PN 240012875 REV D 03 15 2022 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...

Page 112: ...w Voltage ZONE 3 ZONE 2 ZONE 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...

Page 113: ...268 10 4 5 046 68 0 1 218 12 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...

Page 114: ...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 temperatu...

Page 115: ...nd Maintenance Manual Parameter PO3 for COMBI boiler factory set at OO requires no change 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...

Page 116: ...32 PN 240012875 REV D 03 15 2022 CIRCULATOR CONNECTIONS WIRING DIAGRAM SINGLE ZONE CIRCULATOR WIRING USING ARGO AR822 II...

Page 117: ...33 PN 240012875 REV D 03 15 2022 MODEL 75 100 HEAT ONLY 75 100 HEAT ONLY WIRING DIAGRAM...

Page 118: ...34 PN 240012875 REV D 03 15 2022 MODEL 125 HEAT ONLY 125 HEAT ONLY WIRING DIAGRAM...

Page 119: ...35 PN 240012875 REV D 03 15 2022 MODEL 165 HEAT ONLY 165 HEAT ONLY WIRING DIAGRAM...

Page 120: ...36 PN 240012875 REV D 03 15 2022 115 COMBI WIRING DIAGRAM MODEL 115 COMBI...

Page 121: ...37 PN 240012875 REV D 03 15 2022 MODEL 150 COMBI 150 COMBI WIRING DIAGRAM...

Page 122: ...38 PN 240012875 REV D 03 15 2022 MODEL 205 COMBI 205 COMBI WIRING DIAGRAM...

Page 123: ...R INPUT BTUH ALTITUDE FEET MAC 115 CALCULATEDEFFECTS OF HI ALTITUDE ON BOILER PERFORMANCE DHW MODE HEAT MODE Net Rating Heat Mode MODELS 100 115 40 000 45 000 50 000 55 000 60 000 65 000 70 000 75 000...

Page 124: ...ATED EFFECTS OF HI ALTITUDE ON BOILER PERFORMANCE DHW MODE HEAT MODE NET RATNG HEAT MODE 60 000 80 000 100 000 120 000 140 000 160 000 180 000 200 000 220 000 0 2 000 4 000 6 000 8 000 10 000 BOILER I...

Page 125: ...0 215 116 000 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...

Page 126: ...C or Canadian Electrical Code CEC 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...

Page 127: ...nto boiler Illustrations are meant to show system piping concept only Installer is responsible for all equipment and detailing required by authority having jurisdiction Air Vent Supply Gas Boiler Safe...

Page 128: ...44 PN 240012875 REV D 03 15 2022 LOW WATER CUTOFF LOW WATER CUTOFF DETAIL NO NO YES...

Page 129: ...round Short Circuit and Polarity 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 externa...

Page 130: ...Burner lights YES Error E109 flashing NO Error E11O flashing NO 3 way valve open to central heating circuit YES Burner output modulates to maintain the temperature set YES YES YES YES YES Error E130 f...

Page 131: ...peed YES Spark at ignition electrodes for up to 5 seconds and for 5 attempts YES NO YES Burner lights YES YES Error E109 flashing NO Error E110 flashing YES NO NO NO NO DHW flow rate more than 21 min...

Page 132: ...p terminals Blue to Brown See Wiring Diagram NO Replace PCB Fan connections correct at fan and PCB Connectors X11 X23 See Wiring Diagram YES NO 120V between PCB connector x13 pump terminal Blue and PC...

Page 133: ...49 PN 240012875 REV D 03 15 2022 3 FAULT SOLUTION SECTIONS...

Page 134: ...pcb connection at connector x22 is there approx 5 V DC between the green and black NO terminals Check flow temperature sensor connections and position Sensors swapped Cold resistance approximately 1Ok...

Page 135: ...terminals Check the voltage is 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...

Page 136: ...hanged From Changed To Date Reason PARAMETER CHANGE HISTORY All specifications subject to change without notice 2022 ECR International Inc 2201 Dwyer Avenue Utica NY 13501 Tel 800 325 5479 www ecrinte...

Page 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 o...

Page 138: ...imum l installation de chauffage ou de production d ECS afin d viter que la chaudi re ne s teigne suite un probl me de surchauffe INTERRUPTION DE LA FONCTION Si la fonction de d sa ration ou d identif...

Page 139: ...ver 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 co...

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