UTICA BOILERS MAHF-75 Installation, Operation And Maintenance Manual
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UTICA BOILERS MAHF-75 Installation, Operation And Maintenance Manual

Condensing gas fired boiler
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MAHF-75
MAHF-100
MACF-115
MAHF-125
MACF-150
MAHF-165
MACF-205
CONDENSING
GAS FIRED BOILER
Manufactured by:
ECR International Inc.
2201 Dwyer Avenue, Utica, NY 13501
Tel. 800 325 5479
www.ecrinternational.com

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Summary of Contents for UTICA BOILERS MAHF-75

  • Page 1 MAHF-75 MAHF-100 MACF-115 MAHF-125 MACF-150 MAHF-165 MACF-205 CONDENSING GAS FIRED BOILER Manufactured by: ECR International Inc. 2201 Dwyer Avenue, Utica, NY 13501 Tel. 800 325 5479 www.ecrinternational.com...
  • 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 CONDENSING GAS FIRED INSTALLATION, OPERATION & MAINTENANCE MANUAL M ode ls: COM BI MACF- 115 MACF- 150 MACF- 205 H EATI N G ON LY MAHF- 75 MAHF- 100 MAHF- 125 MAHF- 165 Manufactured by: ECR International Inc. 2201 Dwyer Avenue, Utica, NY 13501 Tel.
  • Page 6 V ERI FY CON TEN TS RECEI V ED 3 0 PSI Sa fe t y Re lie f Te m pe r a t u r e Pr e ssu r e 3 / 4 N PT Ba ll Ga s Fu lly Asse m ble d Boile r Shutoff Valve Va lve...

  • Page 7: Table Of Contents

    TABLE OF CON TEN TS Verify Cont ent s Received ..........2 9 - St a rt Up Procedure ..........4 8 9.1 Central Heating System Connections - Heat Only ... 48 Ta ble Of Cont ent s ............3 9.2 Central Heating System Connections - Com bi..

  • Page 8: Physica L Da T A

    PH YSI CAL D ATA D I M EN SI O N S D I M EN SI O N S 7 5 / 1 0 0 / 1 2 5 1 1 5 / 1 5 0 1 6 5 / 2 0 5 Height ( Bot t om of boiler t op of safet y Valve) 43.65"...
  • Page 9 PH YSI CAL D ATA M OD ELS - 7 5 / 1 0 0 / 1 1 5 / 1 2 5 / 1 5 0 Top Vie w 10.44 in. 10.44 in. [266 mm] [266 mm] 6.87 in. 6.87 in.
  • Page 10 PH YSI CAL D ATA M OD ELS - 1 6 5 & 2 0 5 Top Vie w 1 6 5 & 2 0 5 25.80 in. [655 mm] 25.80 in. [655 mm] 16.71 in. 16.71 in. [424 mm] [424 mm] 7.18 in.

  • Page 11: I M Portan T I N Form Ati On

    1 - I M PORTAN T I N FORM ATI ON Becom e fam iliar wit h sym bols ident ifying pot ent ial hazards. FOR YOUR SAFETY READ BEFORE OPERATING This is the safety alert sym bol. Sym bol alerts you to DANGER potential personal inj ury hazards.

  • Page 12: I Nt Roduct Ion

    2 - I N TROD U CTI ON 2 - I nt roduct ion 2 .6 The unit M UST N OT: 2 .1 I nst allat ion shall conform t o requirem ent s of • Direct ly heat pot able wat er. I ndirect heat ing is aut horit y having j urisdict ion or in absence of such accept able.

  • Page 13: Com Ponent List Ing

    3 - COM PON EN T LI STI N G UTI CA BOI LER M AH F 7 5 & 1 0 0 Ut ica Boile r I TEM M AH F 7 5 & 1 0 0 Coaxial Connect or Flue Sensor Heat Exchanger Burner ( not shown)
  • Page 14 3 - COM PON EN T LI STI N G UTI CA BOI LER M AH F- 1 2 5 Ut ica Boile r I TEM M AH F- 1 2 5 Coaxial Connect or Flue Sensor Heat Exchanger Burner ( not shown) Flam e Det ect ion Elect rode Air/ Gas Blend Manifold Vent uri...
  • Page 15 3 - COM PON EN T LI STI N G UTI CA BOI LER M AH F- 1 6 5 Ut ica Boile r I TEM M AH F- 1 6 5 Coaxial Connect or Flue Sensor Heat Exchanger Burner ( not shown) Flam e Det ect ion Elect rode Air/ Gas Blend Manifold Vent uri...
  • Page 16 3 - COM PON EN T LI STI N G UTI CA BOI LER M ACF- 1 1 5 Ut ica Boile r I TEM M ACF- 1 1 5 Coaxial Connect or Flue Sensor Heat Exchanger Burner ( not shown) Flam e Det ect ion Elect rode Air/ Gas Blend Manifold Vent uri...
  • Page 17 3 - COM PON EN T LI STI N G UTI CA BOI LER M ACF- 1 5 0 Ut ica Boile r I TEM M ACF- 1 5 0 Coaxial Connect or Flue Sensor Heat Exchanger Burner ( not shown) Flam e Det ect ion Elect rode Air/ Gas Blend Manifold Vent uri...
  • Page 18 3 - COM PON EN T LI STI N G UTI CA BOI LER M ACF- 2 0 5 Ut ica Boile r I TEM M ACF- 2 0 5 Coaxial Connect or Flue Sensor Heat Exchanger Burner ( not shown) Flam e Det ect ion Elect rode Air/ Gas Blend Manifold Vent uri...

  • Page 19: Loca T Ing Boiler

    4 - LOCATI N G BOI LER W ARN I N G W ARN I N G Fire hazard. Do not inst all boiler on com bust ible Fire, explosion, and asphyxiat ion hazard. flooring or carpeting. Failure to follow these I m proper inst allat ion could result in deat h or inst ruct ions could result in deat h or serious serious inj ury.

  • Page 20: Clearances

    4 - LOCATI N G BOI LER 4 .3 Clea ra nces TABLE 1 : BOI LER CLEARAN CES M a nufa ct urer Com bu st ible D im e n sion Recom m ended for M a t e r ia ls Service (1)(2) 0"...

  • Page 21: Com Bust Ion Air And Vent Piping

    5 - COM BU STI ON AI R AN D V EN T PI PI N G • Support piping in accordance wit h pipe W ARN I N G m anufact urer's inst ruct ion and aut horit y having Fire, explosion, and asphyxiat ion hazard.

  • Page 22: Rem Oval Of Existing Boiler From Com M On Vent System

    5 - COM BU STI ON AI R AN D V EN T PI PI N G 5.3 Definitions 5 .2 Rem ova l of Ex ist ing Boiler From Com m on Vent Syst em Coaxial piping – Exhaust and air int ake pipe have a When exist ing boiler is rem oved from com m on vent ing com m on axis.

  • Page 23: Approved Venting Materials

    5 - COM BU STI ON AI R AN D V EN T PI PI N G 5 .4 Approved Vent ing M a t eria ls W ARN I N G I nst allat ion shall conform t o requirem ent s of aut horit y Manufact urer recom m ends t his condensing boiler having j urisdict ion or in absence of such requirem ent s: be vent ed wit h approved polypropylene vent ing...
  • Page 24 5 - COM BU STI ON AI R AN D V EN T PI PI N G VEN T M ATERI AL OPTI ON S ( Maxim um Equivalent Vent Lengt h Shown) 7 5 / 1 0 0 / 1 1 5 / 1 2 5 / 1 5 0 I nt ake Exhaust Com bined Vent...

  • Page 25: Coaxial Venting I Nstructions

    5 - COM BU STI ON AI R AN D V EN T PI PI N G 5 .6 Coa x ia l Vent ing I nst ruct ions W ARN I N G Maximum equivalent flue lengths for Coaxial venting Asphyxiat ion hazard! Before securing screws are: ensure t he pipe has been pushed in a m inim um...

  • Page 26: Coaxial Vent Screw Placem Ent

    5 - COM BU STI ON AI R AN D V EN T PI PI N G 5 .7 Coa x ia l Vent Screw Pla cem ent - See Figure 5 - 3 Two ( 2) screws shall be fast ened t hrough t he out er int ake pipe behind t he gasket s at equal dist ances, approxim at ely 180°...

  • Page 27: Twin Pipe System S

    5 - COM BU STI ON AI R AN D V EN T PI PI N G FI GURE 5 - 8 - 2 " / 6 0 m m & 3 " / 8 0 m m Tw in Pipe W ARN I N G Sepa ra t ed H orizont a l Flue Term ina t ion Asphyxiat ion hazard! I m proper inst allat ion could...

  • Page 28: Twin Pipe Polypropylene Adapter Kit I Nstallation

    5 - COM BU STI ON AI R AN D V EN T PI PI N G 5 - COM BU STI ON AI R AN D V EN T PI PI N G Figure 5 - 1 1 - Tw in Pipe Ada pt er Kit 5 .9 Tw in Pipe Polypropylene Ada pt er Kit I nst a lla t ion 7 5 - 1 5 0 M odel Boilers for 7 5 / 1 0 0 / 1 1 0 / 1 2 5 / 1 5 0 Boilers...

  • Page 29: Twin Pipe Cpvc Adapter Kit I Nstallation

    5 - COM BU STI ON AI R AN D V EN T PI PI N G 5 .1 1 Tw in Pipe Polypropylene Adapt er Kit I nst allat ion 5 .1 2 Tw in Pipe CPVC Adapt er Kit I nst allat ion 1 6 5 / 2 0 5 Boilers 1 6 5 / 2 0 5 Boilers [ See Figures 5 - 1 5 t hrough 5 - 1 7 ]...

  • Page 30: Securing Twin Pipe Polypropylene Venting

    5 - COM BU STI ON AI R AN D V EN T PI PI N G Figure 5 - 2 0 - N a t a lini Cla m p W ARN I N G Asphyxiat ion hazard! I m proper inst allat ion could result in deat h or serious inj ury.
  • Page 31 5 - COM BU STI ON AI R AN D V EN T PI PI N G FI GURE 5 - 2 3 - ( 2 " / 6 0 m m & 3 " / 8 0 m m ) Tw in Pipe ...
  • Page 32 5 - COM BU STI ON AI R AN D V EN T PI PI N G FI GURE 5 - 2 6 - Tw in Pipe Side W a ll Vent ( M ult iple FI GURE 5 - 2 9 - ( 2 " / 6 0 m m ON LY) Vent Pipe w it h T Applia nces) CAN BE U SED ON ALL SI Z ES This Termination...

  • Page 33: Flexible Vent System

    5 - COM BU STI ON AI R AN D V EN T PI PI N G FI GURE 5 - 3 3 - ( 3 " / 8 0 m m Only) Flex ible Vent ing 5 .1 4 ( 3 " / 8 0 m m Only) Flex ible Vent Syst em Syst em CAN BE U SED ON ALL SI Z ES Fle x ible Pipe M in im u m &...
  • Page 34 5 - COM BU STI ON AI R AN D V EN T PI PI N G FI GURE 5 - 3 4 - Flue Term ina l Loca t ion All vent pipe and combustion air pipe and fittings shall comply with the following: Use only m anufact urer approved vent ing m at erials or vent ing m at erials prim er and glue approved t o: ULC S636 in Canada, or UL 1738 in t he U.S.

  • Page 35: Condensate Piping

    5 - COM BU STI ON AI R AN D V EN T PI PI N G FI GURE 5 - 3 5 - Condensa t e Dra in 5 .1 5 Condensa t e Piping • Use m at erials accept able t o aut horit y having j urisdict ion.

  • Page 36: H Ydronic Piping

    6 - H YD RON I C PI PI N G • Manufact urer recom m ends inst allat ion of m agnet ic W ARN I N G dirt separat or in t he hydronic syst em where t here •...

  • Page 37: Safety Relief Valve And Air Vent

    6 - H YD RON I C PI PI N G • Systems with automatic fill valves require back flow W ARN I N G prevent ion device. Burn and scald hazard. Safet y relief valve could • Single boiler syst em . See Figures 6- 2, 6- 5, for discharge st eam or hot wat er during operat ion.
  • Page 38 6 - H YD RON I C PI PI N G FI GURE 6 - 2 - Piping Dia gra m - LW CO Loca t ion Arrange piping t o prevent N o t e wat er dripping ont o boiler. Low Water Cutoff (LWCO) ( See Figure 6- 3 for det ail) I llust rat ions are m eant...

  • Page 39: External Optional Low Water Cut Off

    6 - H YD RON I C PI PI N G 6.6 External Optional Low Water Cut Off FIGURE 6-3 - Low Water Cutoff - Detail These guidelines are supplied when necessary t o inst all an additional Low Water Cut Off (LWCO), for sensing a low wat er level condit ion in a boiler, as required by t he Aut horit y Having Jurisdict ion.

  • Page 40: Manufacturer Recom M Endation - Strainer

    6 - H YD RON I C PI PI N G 6 .7 M a nufa ct urer Recom m enda t ion - St ra iner on DH W I nlet Pot able wat er Pot able wat er FI LTER M a n u fa ct u r e r Re com m e n da t ion Manufacturer strongly recommends the use of a filter filtering potable water before...

  • Page 41: Central Heating System

    6 - H YD RON I C PI PI N G 6 .8 Cent ra l H ea t ing Syst em 6 .9 Frost Prot ect ion M ode Frost prot ect ion m ode is int egrat ed int o t he appliance Boiler is designed for use in a sealed cent ral heat ing when elect ricit y is connect ed t o t he boiler, regardless if system.

  • Page 42: Ga S Supply Piping

    7 - GAS SU PPLY PI PI N G 7 .1 Genera l D AN GER • Use piping m at erials and j oining m et hods accept able Fire Hazard. Do not use m at ches, candles, open t o aut horit y having j urisdict ion.

  • Page 43: Gas Pipe Recom M Endations

    7 - GAS SU PPLY PI PI N G • Use of Gas Appliance Connectors (flexible connectors 7 .2 Ga s Pipe Recom m enda t ions t ypically used for gas st oves or wat er heat ers) is Configure gas pipe for proper operation and avoid issues with failure to light or maintenance of proper flame prohibit ed.
  • Page 44 7 - GAS SU PPLY PI PI N G This chart is sourced from NFPA- 54 2015 wit h t he BTU rat ings for t he m at erial, lengt h, and diam et er of gas pipe. I NTENDED USE: Pipe Sizing Bet ween Nat ural Gas Met er, or Propane Single - or Second- St age ( Low- Pressure) Regulat or and Appliance.

  • Page 45: Leak Check Gas Piping

    7 - GAS SU PPLY PI PI N G Figure 7 - 1 - Ga s Piping NOTICE Sedim ent t rap shall be locat ed upst ream of gas cont rols. 7 .3 Lea k Check Ga s Piping Pressure t est boiler and gas connect ion before placing boiler in operat ion.

  • Page 46: Elect Rica L Connect Ions

    8 - ELECTRI CAL CON N ECTI ON S D AN GER Model 7 5 & 1 1 5 1 2 5 1 5 0 1 6 5 2 0 5 Size 1 0 0 Elect rocut ion Hazard! HI GH VOLTAGE - Power Supply 120V - 60Hz Connect ions in t erm inal block M1 are high...

  • Page 47: Electrical Connections

    8 - ELECTRI CAL CON N ECTI ON S FI GURE 8 - 2 Term ina l Block Loca t ions D AN GER Elect rocut ion Hazard! HI GH VOLTAGE - Connect ions in t erm inal block M1 are high volt age ( 120V / 60Hz) .

  • Page 48: I Nstall Room Therm Ostat

    8 - ELECTRI CAL CON N ECTI ON S FI GURE 8 - 4 Therm ost a t Connect ions 8 .5 I nst a ll Room Therm ost a t I nst all room end swit ch on inside wall. Do not inst all where it will be influenced by drafts, hot or cold water pipes, lighting fixtures, television, sun rays or near a fireplace.
  • Page 49 FI GURE 8 - 6 Kt Clim a t e Curves Flow t em p Out side t em p Cent igrade ( ° C) Fahrenheit ( ° F) Boiler Boiler Point Point Tem p Tem p 80 I s Default . 80 I s Default .

  • Page 50: I Ndirect Storage Tank

    8 - ELECTRI CAL CON N ECTI ON S FI GURE 8 - 7 Kt I ndirect St ora ge Ta nk 8 .7 I ndirect St ora ge Ta nk Boilers MAHF- 75, 100, 125 can be elect rically connect ed * 125 Model shown - See Applicat ion Guide for sizes 75, 100 t o indirect st orage t ank as follows: 1 0 K Ω...
  • Page 51 8 - ELECTRI CAL CON N ECTI ON S FI GURE 8 - 8 Circula t or Pum p Connect ions For m or e in for m a t ion ple a se r e vie w t h e a pplica t ion gu ide r e ce ive d w it h you r boile r .

  • Page 52: St A Rt Up Procedure

    9 - START U P PROCED U RE 9 .1 Cent ra l H ea t ing Syst em Connect ions - H EAT ON LY 9 .2 Cent ra l H ea t ing Syst em Connect ions - Com bi M AH F- 7 5 ,1 0 0 &...

  • Page 53: System Start Up

    9 - START U P PROCED U RE FI GURE 9 - 1 Condensa t e Dra in Assem bly 9 .3 Syst em St a rt Up 150 Model shown ( locat ion sim ilar in all sizes) Follow all codes and regulations when filling the boiler. Use drain t aps t o allow syst em t o com plet ely drain.

  • Page 54: Control Panel

    9 - START U P PROCED U RE 9 .5 Cont rol Pa nel To ent er t he I N FO Menu press and hold for 1 second. Press and hold t he but t on for 1- 2 seconds t o increm ent t hrough t he select ions as shown in t he t able below.

  • Page 55: Prior To Com M Issioning

    9 - START U P PROCED U RE I f dearation or gas recognition function is interrupted by W ARN I N G power blackout, start function again when power is restored. Press together and hold at sam e tim e for at least Asphyxiat ion hazard! Fill condensat e t rap before 6 seconds.

  • Page 56: Manual Calibration Function

    9 - START U P PROCED U RE FI GURE 9 - 3 - Ga s I nlet Ta p - Pi 9 .9 M a nua l Ca libra t ion Funct ion: Manual Calibrat ion phase st art s at t he end of t he Aut om at ic Calibrat ion.

  • Page 57: Chim Ney Sweep Function

    9 - START U P PROCED U RE 9 .1 2 Chim ney Sw eep Funct ion For correct boiler operation, content of (CO2 - O2) in the combustion flue must be within tolerances indicated in t able below. Ga s A ( N a t u r a l Ga s) Ga s E ( LPG) Com bust ion M AH F- 7 5 &...

  • Page 58: Check Firing Rate

    9 - START U P PROCED U RE 9 .1 5 Pa ra m et er Set t ings 9 .1 4 Check Firing Ra t e Measure input , if a gas m et er is inst alled in t he Program boiler elect ronic board param et ers as follows: syst em .

  • Page 59: Description Of Param Eters: Factory Settings

    9 - START U P PROCED U RE FACTORY SETTI N GS 9 .1 6 Descript ion Of Pa ra m et ers: Fa ct ory Set t ings 1 0 0 ,1 2 5 ,1 6 5 1 1 5 ,1 5 0 ,2 0 5 D H W Fa st M odu la t ion 0 0 = St andard Modulat ion - on DHW call for heat 10 seconds st abilizat ion t im e before P0 1...
  • Page 60 9 - START U P PROCED U RE FACTORY SETTI N GS 9 .1 6 Descript ion Of Pa ra m et ers: Fa ct ory Set t ings cont i. 1 1 5 , 1 0 0 , 1 5 0 ,2 0 5 1 2 5 ,1 6 5 The values listed below are factory defaults, there may be differences for each application Model...

  • Page 61: Adjusting Maxim Um Heating Power

    9 - START U P PROCED U RE 9 .1 7 Adj ust ing M a x im um H ea t ing Pow er Maxim um boiler heat ing power can be reduced t o suit requirem ent s of heat ing syst em it serves. Table showing param et er P1 3 values according t o desired m axim um power m odel is shown for each single boiler.

  • Page 62: 0 - Opera T Ing I Nst Ruct Ions

    1 0 - OPERATI N G I N STRU CTI ON S 1 0 .2 Boiler Opera t ion FOR YOU R SAFETY READ BEFORE OPERATI N G Dom est ic hot wat er supply always t akes priorit y over W ARN I N G cent ral heat ing.

  • Page 63: Dom Estic Hot Water Mode

    1 0 - OPERATI N G I N STRU CTI ON S 1 0 .5 Frost Prot ect ion W ARN I N G Burn, Scald Hazard! Wat er t em perat ure over Boiler m onit ors supply and ret urn wat er t em perat ures t o 125°...

  • Page 64: 1 - Genera L M A Int Ena Nce And Clea Ning

    1 1 - GEN ERAL M AI N TEN AN CE AN D CLEAN I N G • Circulat or pum p and com bust ion air blower m ot or D AN GER furnished wit h boiler are perm anent ly lubricat ed from Before servicing, turn off electrical power to fact ory and require no furt her lubricat ion.
  • Page 65 1 1 - GEN ERAL M AI N TEN AN CE AN D CLEAN I N G 1 1 .2 M a int ena nce And Rout ine Servicing W ARN I N G Check and service boiler as necessary. Following service procedures m ust be perform ed Frequency of servicing will depend upon inst allat ion by qualified service agent.
  • Page 66 1 1 - GEN ERAL M AI N TEN AN CE AN D CLEAN I N G D AN GER Before servicing, turn off electrical power to boiler at service swit ch. Close m anual gas valve t o t urn gas supply OFF t o boiler. Failure t o com ply will result in deat h or serious inj ury.

  • Page 67: Draining The Boiler

    1 1 - GEN ERAL M AI N TEN AN CE AN D CLEAN I N G 1 1 .6 H ydra ulic Unit ( DH W ) M ode l M ACF- 1 5 0 Sh ow n For special areas, where wat er is harder t han 200 ppm or 12 grains/ gallon, inst all polyphosphat e dispenser or equivalent t reat m ent syst em , com pliant wit h current regulat ions.

  • Page 68: User I Nform Ation

    1 1 - GEN ERAL M AI N TEN AN CE AN D CLEAN I N G 1 1 .1 0 User I nform a t ion NOTICE Advise and dem onst rat ed t o User t he following im port ant inform at ion: When servicing t he appliance, check t he condit ion and position of flame sensing electrode and...

  • Page 69: 2 - Ra T Ings And Ca Pa Cit Ies

    1 2 - RATI N GS AN D CAPACI TI ES 1 2 TECH N I CAL DATA 1 2 .1 Ra t ings a nd Ca pa cit y ( 1) ( 2) ( 1) ( 3) ( 1) Net AHRI CH I nput , MBH Model...
  • Page 70 1 2 - RATI N GS AN D CAPACI TI ES 1 2 .3 H igh Alt it ude Ra t ings For elevations between 2000 ft (600 m) and 10,000 ft (3048 m), use the following information: I nput , MBH ( KW) Dom est ic Hot Wat er ( DHW) Circuit Heat ing Model...
  • Page 71 1 2 - RATI N GS AN D CAPACI TI ES 1 2 .5 Ava ila ble Boiler Pum p H ea d g This is a high static head pump fit for installation on any type of single or double-pipe heating systems. The aut om at ic air valve incorporat ed in t he pum p allows quick vent ing of t he heat ing syst em .

  • Page 72: 3 - Trouble Shoot Ing

    1 3 - TROU BLE SH OOTI N G 1 3 .1 Error M essa ges And Reset t ing The Boiler Error Descript ion Opera t ion Gas valve connect ion fault Check cable PCB/ gas valve and gas valve plug Out door sensor fault Check sensor and cable Gas valve com m and fault...
  • Page 73 1 3 - TROU BLE SH OOTI N G 1 3 .1 Er r or M e ssa ge s a n d Re se t t in g t h e Boile r - con t in u e d Error Descript ion Opera t ion 1 3 5...

  • Page 74: Anom Alies Table For The I Nstaller - Use This Table To Report The Anom Aly Values

    1 3 - TROU BLE SH OOTI N G 1 3 .2 Anom a lies Ta ble for t he I nst a ller - Use t his t able t o report t he anom aly values. SYSTEM STATUS CODES 0 STANDBY 1 DHW "...
  • Page 75 1 4 - GLOSSARY • CONDENSATE - Liquid separated from flue gas due to • APPLIANCE - Device t o convert gas int o energy; t erm includes any com ponent , cont rol, wiring, piping reduct ion in t em perat ure. or t ubing required t o be part of t he device.
  • Page 76 1 4 - GLOSSARY • METRIC GAS METERS • TWO PIPE SYSTEM - Type of vent ing t hat allows for exhaust flue and intake air piping to be separated Natural Gas from each ot her. Fresh air m ay be drawn in at a different area from where flue terminal is located.

  • Page 77: Appendix A - W Iring Dia Gra M

    APPEN D I X A - W I RI N G D I AGRAM S A- 1 M ODEL 7 5 & 1 0 0 - H ea t Only 240013503 REV A, [ 03/ 15/ 2022]...
  • Page 78 APPEN D I X A - W I RI N G D I AGRAM S A- 2 M ODEL 1 2 5 - H ea t Only 240013503 REV A, [ 03/ 15/ 2022]...
  • Page 79 APPEN D I X A - W I RI N G D I AGRAM S A- 3 M ODEL 1 6 5 - H ea t Only 240013503 REV A, [ 03/ 15/ 2022]...
  • Page 80 APPEN D I X A - W I RI N G D I AGRAM S A- 4 M ODEL 1 1 5 - Com bi 240013503 REV A, [ 03/ 15/ 2022]...
  • Page 81 APPEN D I X A - W I RI N G D I AGRAM S A- 5 M ODEL 1 5 0 - Com bi 240013503 REV A, [ 03/ 15/ 2022]...
  • Page 82 APPEN D I X A - W I RI N G D I AGRAM S A- 6 M ODEL 2 0 5 - Com bi 240013503 REV A, [ 03/ 15/ 2022]...
  • Page 83 INSTALLATION AND CHECK-OUT CERTIFICATE Boiler Model Serial # Date Installed___________ Measured BTU/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...
  • Page 84 I M PO RTA N T I n accordance with Section 325 (f) (3) of the Energy Policy and Conservation Act, this boiler is equipped with a feature that saves energy by reducing the boiler water tem perature as the heating load decreases. This feature is equipped with an override which is provided prim arily to perm it the use of an external energy m anagem ent system that serves the sam e function.
  • Page 85 APPLI CATI ON GUI DE FOR USE WI TH FLO O R ST AN D I N G H EATI N G ON LY - 7 5 F, 1 0 0 F, 1 2 5 F, 1 6 5 F &...
  • Page 86 T ABLE O F CO N T EN T S I m port a nt Sa fet y I nform a t ion ..................3 La bor Sa ving Piping M a nifolds / N ea r Boiler Piping Connect ions ........4 Genera l I nform a t ion - H ydronic Piping ................

  • Page 87: I M Port A Nt Sa Fet Y I Nform A T Ion

    I M P O RT AN T SAFET Y I N FO RM AT I O N 1 . 1 . Becom e fa m ilia r w it h sym bols ident ifying 3 . I nst a lla t ion sha ll conform t o requirem ent s of Becom e fa m ilia r w it h sym bols ident ifying pot ent ia l ha za rds.

  • Page 88: La Bor Sa Ving Piping M A Nifolds / N Ea R Boiler Piping Connect Ions

    LABO R SAV I N G P I P I N G M AN I FO LD S / N EAR BO I LER P I P I N G CO N N ECT I O N S 7 5 F, 1 0 0 F & 1 2 5 F H EATI N G ON LY 1 6 5 F H EATI N G ON LY W I TH OPTI ON AL I N D I RECT D H W CON N ECTI ON 7 5 F, 1 0 0 F &...
  • Page 89 LABO R SAV I N G P I P I N G M AN I FO LD S / N EAR BO I LER P I P I N G CO N N ECT I O N S 1 1 5 F & 1 5 0 F/ 2 0 5 F COM BI ( 1 5 0 sh ow n ) LEGEN D 1 1 5 / 1 5 0 2 0 5...

  • Page 90: Genera L I Nform A T Ion - H Ydronic Piping

    GEN ERAL I N FO RM AT I O N - H Y D RO N I C P I P I N G FOR YOUR SAFETY READ BEFORE OPERATING W ARN I N G Burn and scald hazard! Manufact urer requires inst allat ion of field supplied ant i- scald valve.
  • Page 91 GEN ERAL I N FO RM AT I O N - H Y D RO N I C P I P I N G Use of I ndirect W a t er H ea t er ( DH W ) H ea t ing 1st Degree Burn 2nd and 3rd Degree Burn Water...

  • Page 92: Genera L I Nform A T Ion - W Iring

    GEN ERAL I N FO RM AT I O N - W I RI N G Elect rical W iring I nform at ion: D O N O T use 120 V t herm ost at N o t e All field wiring shall conform t o t he aut hority having t erm inals ( M1- # 1 and # 2) .

  • Page 93: Piping Legend

    P I P I N G LEGEN D PI PI N G LEGEN D ZONE VALVE BALL VALVE DHW INDIRECT TANK AI R SEPERATOR INDIRECT TANK AQUASTAT CI RCULATOR 1 0 K Ω INDIRECT DHW TANK SENSOR DRAI N TEMPERATURE & PRESSURE GAUGE COMBI NATI ON FI LL EXPANSION TANK FLOW CHECK VALVE...

  • Page 94: 100F, 125F W/ Zone Circulat Ors & Dhw Tank- Piping Diagram

    7 5 F, 1 0 0 F, 1 2 5 F W / Z O N E CI RCU LAT O RS & D H W T AN K- P I P I N G D I AGRAM PN 240012875 REV. D [ 03/ 15/ 2022]...

  • Page 95: 100F, 125F W/ I Ndirect Zone Circulat Ors, Dhw T Ank W/ Sensor - Wiring Dia

    7 5 F, 1 0 0 F, 1 2 5 F W / I N D I RECT ZON E CI RCU LATORS, D H W TAN K W / SEN SOR - W I RI N G D I A. PN 240012875 REV.

  • Page 96: 100F, 125F W/ I Ndirect Zone Circulat Ors & Dhw Tank W/ T - St At - Wi Ri Ng Dia

    7 5 F, 1 0 0 F, 1 2 5 F W / I N D I RECT ZON E CI RCU LATORS & D H W TAN K W / T- STAT - W I RI N G D I A. NEC Cla ss 2 Lo w Vo lta g e PN 240012875 REV.

  • Page 97: 100F, 125F Wit H Zone Valves & Dhw Tank - Pi Pi Ng Diagram

    7 5 F, 1 0 0 F, 1 2 5 F W I T H Z O N E V ALV ES & D H W T AN K - P I P I N G D I AGRAM PN 240012875 REV. D [ 03/ 15/ 2022]...

  • Page 98: 100F, 125F Wit H Zone Valves, Dhw Tank W/ Sensor - Wiring Dia

    7 5 F, 1 0 0 F, 1 2 5 F W I T H Z O N E V ALV ES, D H W T AN K W / SEN SO R - W I RI N G D I A. PN 240012875 REV.

  • Page 99: 100F, 125F Zone Valves, Dhw T Ank W/ T - St At - Wiring Diagram

    7 5 F, 1 0 0 F, 1 2 5 F Z O N E V ALV ES, D H W T AN K W / T- ST AT - W I RI N G D I AGRAM NEC C la ss 2 Lo w Vo lta g e PN 240012875 REV.

  • Page 100: Wit H Zone Circulat Ors - Pi Pi Ng Diagram

    1 6 5 F W I T H Z O N E CI RCU LAT O RS - P I P I N G D I AGRAM PN 240012875 REV. D [ 03/ 15/ 2022]...

  • Page 101: Indirect Zone Circulat Ors, Dhw Tank W/ T- St At - Wiring Dia

    1 6 5 F I N D I RECT Z O N E CI RCU LAT O RS, D H W T AN K W / T- ST AT - W I RI N G D I A. NEC C la ss 2 Lo w Vo lta g e PN 240012875 REV.

  • Page 102: Wit H Zone Valves - Pi Pi Ng Diagram

    1 6 5 F W I T H Z O N E V ALV ES - P I P I N G D I AGRAM PN 240012875 REV. D [ 03/ 15/ 2022]...

  • Page 103: Wit H I Ndirect Zone Valves, Dhw Tank, Tank T- St At - Wiring Dia

    1 6 5 F W I T H I N D I RECT Z O N E V ALV ES, D H W T AN K, T AN K T- ST AT - W I RI N G D I A. NEC C la ss 2 Lo w Vo lta g e PN 240012875 REV.

  • Page 104: 150F & 205F Wit H Zone Circulat Ors - Pi Pi Ng Diagram

    1 1 5 F, 1 5 0 F & 2 0 5 F W I T H Z O N E CI RCU LAT O RS - P I P I N G D I AGRAM PN 240012875 REV. D [ 03/ 15/ 2022]...

  • Page 105: 150F & 205F Wit H Zone Circulat Ors - Wiring Diagram

    1 1 5 F, 1 5 0 F & 2 0 5 F W I T H Z O N E CI RCU LAT O RS - W I RI N G D I AGRAM NEC C la ss 2 Lo w Vo lta g e PN 240012875 REV.

  • Page 106: 150F & 205F Wit H Zone Valves - Pi Pi Ng Diagram

    1 1 5 F, 1 5 0 F & 2 0 5 F W I T H Z O N E V ALV ES - P I P I N G D I AGRAM PN 240012875 REV. D [ 03/ 15/ 2022]...

  • Page 107: 150F & 205F Wit H Zone Valves - Wiring Diagram

    1 1 5 F, 1 5 0 F & 2 0 5 F W I T H Z O N E V ALV ES - W I RI N G D I AGRAM NEC C la ss 2 Lo w Vo lta g e PN 240012875 REV.

  • Page 108: External Buffer Tank - Piping Diagram

    EX T ERN AL BU FFER T AN K - P I P I N G D I AGRAM Bu ffe r Ta n k Pipin g When inst alling low m ass syst em s, addit ional wat er m ass m ay be required t o avoid short cycling by t he boiler.
  • Page 109 EX T ERN AL BU FFER T AN K - P I P I N G D I AGRAM Buffe r Ta nk On Ce nt r a l H e a t Cir cuit W it h Pr im a r y Pum p a nd Supplie d M a nifold ZON E PUM PS OR ZON E VALVES Opt ional I ndirect Tank CH Syst em Pum p...

  • Page 110: External Buffer Tank - Wiring Diagram

    EX T ERN AL BU FFER T AN K - W I RI N G D I AGRAM Buffer Ta nk Pum p W iring Cont rolling A Prim a ry Pum p On A Com bi Boiler W it h Zone Va lves, N o I ndirect Ta nk PN 240012875 REV.
  • Page 111 EX T ERN AL BU FFER T AN K - W I RI N G D I AGRAM Bu ffe r Ta n k Pu m p W ir in g Con t r ollin g A Pr im a r y Pu m p On A Com bi Boile r W it h Zon e Pu m ps, Ar go ARM 4 P Zon e Con t r ol a n d A8 2 2 - I I PN 240012875 REV.
  • Page 112 EX T ERN AL BU FFER T AN K - W I RI N G D I AGRAM Bu ffe r Ta n k Pu m p W ir in g Con t r ollin g A Pr im a r y Pu m p On A Com bi Boile r W it h Zon e Va lve s a n d I n dir e ct Ta n k W it h Pr ior it y, Ar go UZ3 a n d AR8 2 2 - I I Zon e Con t r ols ZO NE VA L VES...

  • Page 113: Opt Iona L Equipm Ent

    O P T I O N AL EQ U I P M EN T Opt iona l Equipm ent I M PORTAN T: Sensors supplied wit h t his boiler are propriet ary t o t he m anufact urer. Use of alt ernat e m arket sensors WI LL dim inish boiler perform anc 1k Ω...

  • Page 114: Accessories

    ACCESSO RI ES 1. 1K Ohm (1k Ω) Outdoor Temperature 1k Ω Se n sor Kit - BD 7 1 0 4 8 7 3 0 2 V • Use the Outdoor Sensor (OAS) Kit with Heating Only or Com bi Boilers. •...
  • Page 115 ACCESSO RI ES 2. 10k Ω Indirect Storage Tank Sensor Kit Param et er PO3 for H ea t ing Only boiler, wit h no N o t e indirect t ank rem ains Fact ory Set at 08. No change Heat ing Only boiler can be elect rically connect ed t o is required.

  • Page 116: Single Zone Circulat Or Wiring Using Argo Ar822- I I

    CI RCU LAT O R CO N N ECT I O N S - W I RI N G D I AGRAM SI N GLE Z O N E CI RCU LAT O R W I RI N G U SI N G ARGO AR8 2 2 - I I PN 240012875 REV.

  • Page 117: 100 - Heat Only Wiring Diagram

    7 5 & 1 0 0 - H EAT O N LY W I RI N G D I AGRAM M O D EL 7 5 & 1 0 0 - H EAT O N LY PN 240012875 REV. D [ 03/ 15/ 2022]...

  • Page 118: Heat Only Wiring Diagram

    1 2 5 - H EAT O N LY W I RI N G D I AGRAM M O D EL 1 2 5 - H EAT O N LY PN 240012875 REV. D [ 03/ 15/ 2022]...
  • Page 119 1 6 5 - H EAT O N LY W I RI N G D I AGRAM M O D EL 1 6 5 - H EAT O N LY PN 240012875 REV. D [ 03/ 15/ 2022]...

  • Page 120: Com Bi Wiring Diagram

    1 1 5 - CO M BI W I RI N G D I AGRAM M O D EL 1 1 5 - CO M BI PN 240012875 REV. D [ 03/ 15/ 2022]...
  • Page 121 1 5 0 - CO M BI W I RI N G D I AGRAM M O D EL 1 5 0 - CO M BI PN 240012875 REV. D [ 03/ 15/ 2022]...
  • Page 122 2 0 5 - CO M BI W I RI N G D I AGRAM M O D EL 2 0 5 - CO M BI PN 240012875 REV. D [ 03/ 15/ 2022]...

  • Page 123: Altitude Effects On Boiler Performance

    ALT I T U D E EFFECT S O N BO I LER P ERFO RM AN CE MODEL 75 CALCULATED EFFECTS OF HI-ALTITUDE ON BOILER PERFORMANCE 80,000 75,000 70,000 65,000 60,000 HEAT MODE 55,000 Net Rating Heat Mode 50,000 45,000 40,000 1,000...
  • Page 124 ALT I T U D E EFFECT S O N BO I LER P ERFO RM AN CE MODELS 125/150 CALCULATED EFFECTS OF HI-ALTITUDE ON BOILER PERFORMANCE 160,000 140,000 120,000 DHW MODE 100,000 HEAT MODE 80,000 60,000 NET RATNG HEAT MODE 40,000 2,000 4,000...
  • Page 125 AP P LI CAT I O N T ABLE - I N D I RECT H O T W AT ER T AN K P ERFO RM AN CE CH ART H EATI N G ON LY BOI LERS 7 5 , 1 0 0 , 1 2 5 , 1 6 5 Boile r Ou t pu t Boile r Pr e ssu r e...

  • Page 126: Lw Co W Iring Dia Gra

    LO W W AT ER CU T O FF • Locat e LWCO sensing device in t he supply Low W at er Cut Off - Heat ing Only and Com bi Boilers piping, above t he m inim um height of boiler. See Figure page 42, Piping Diagram .

  • Page 127: Piping Dia Gra M - Lw Co Loca T Ion

    LO W W AT ER CU T O FF P I P I N G D I AGRAM - LW CO LO CAT I O N Arrange piping t o prevent wat er N o t e dripping ont o boiler. I llust rat ions are m eant t o show syst em piping concept only.

  • Page 128: Low Water Cutoff - Detail

    LO W W AT ER CU T O FF LO W W AT ER CU T O FF - D ET AI L PN 240012875 REV. D [ 03/ 15/ 2022]...

  • Page 129: Error Code Ta Ble

    ERRO R CO D E T ABLE N ot e: When instructed press and hold “RESET” for I nit ia l Fa ult Finding Check s bet ween 1- 3 seconds t o reset t he boiler. Check gas, wat er and elect rical supplies are available at t he boiler Ta ble of Error Codes Elect rical supply = 120V ~ 60 HZ...

  • Page 130: Troubleshoot Ing Cha

    T RO U BLESH O O T I N G CH ART PN 240012875 REV. D [ 03/ 15/ 2022]...
  • Page 131 T RO U BLESH O O T I N G CH ART PN 240012875 REV. D [ 03/ 15/ 2022]...

  • Page 132: Fa Ult Solut Ion Sect Ions

    FAU LT SO LU T I O N SECT I O N S Fault Finding Solutions Sections Power supply 120V Main terminals L and N Check electrical supply Connection OK at connector x1 0 Integrity of the fuse Replace fuse Main or Display Display PCB fault...
  • Page 133 FAU LT SO LU T I O N SECT I O N S PN 240012875 REV. D [ 03/ 15/ 2022]...
  • Page 134 FAU LT SO LU T I O N SECT I O N S Overheat thermostat operated or Check for and correct any system faulty. faults (water circulation). Allow to cool. Continuity �I across thermostat terminals � Replace safety thermostat '---------------' more than 1.5 ohm Is E11 O is still flashing Check Flow, Return,...
  • Page 135 FAU LT SO LU T I O N SECT I O N S PCB connector x22 Hall With water running effect sensor terminals. Is main water filter and through DHW circuit, Check the voltage is Check DHW NTC assembly clean and measure red and white Replace PCB approximately 5 VDC...

  • Page 136: Param Eter Ch An Ge H I Story

    P ARAM ET ER CH AN GE H I ST O RY Pa ra m et er Cha nged Cha nged Da t e Rea son From All specifications subject to change without notice. 2201 Dwyer Avenue, Utica, NY 13501 ©2022 ECR International, Inc.
  • Page 137 IMPORTANT INFORMATION READ THIS LEAFLET BEFORE COMMISSIONING THE BOILER IMPORTANT: Upon startup of this new boiler please call ECR International, Inc. Technical Support for installation assistance and registration. Technical Support and Product Registration Monday - Friday 8AM to 6PM Eastern time. 1.800.253.7900 Described below is the procedure to activate the Commissioning Function which includes De-Aeration Function/Gas Type Check when power is first supplied to the boiler and the actions required when on a Gas E (LPG) supply.
  • Page 138 INFORMATIONS IMPORTANTES LIRE CET IMPRIMÉ AVANT DE METTRE LA CHAUDIÈRE EN MARCHE IMPORTANT : Lors du démarrage de cette nouvelle chaudière veuillez appeler recueil International, Inc. de support technique pour l'assistance à l'installation et l'enregistrement. Support technique et enregistrement du produit lundi - vendredi 8h00 à...
  • Page 139 Required Inspection Schedule To Be Completed By Qualified Service Technician Date Completed Inspection Items Year Year Year Year Check boiler and system piping for any sign of Near boiler piping leakage, verify pipes are properly supported. Check condition of all vent pipes and joints. Verify Vent vent piping terminations are free of obstructions Piping...

This manual is also suitable for:

Mahf-100Macf-115Mahf-125Macf-150Mahf-165Macf-205

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