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CONDENSING WALL MOUNTED GAS FIRED INSTALLATION, OPERATION & MAINTENANCE MANUAL Models: COMBI Models HEATI NG ONLY Models PN 240013687 REV A [09/01/2022]...
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V ERI FY CON TEN TS RECEI V ED M et a l W a ll Bra ck et Tem pera t ure Pressure Fully Assem bled Boiler w / 4 ea W a ll Screw s 3 0 PSI Sa fet y Relief Va lve Ga uge a nd Plugs I ncludes Essent ial...
TABLE OF CON TEN TS Verify Cont ent s Received ..........2 9 - St a rt Up Procedure ..........4 9 9.1 Central Heating System Connections - Central Heat Ta ble Of Cont ent s ............3 Models Only ............. 49 Physica l Da t a..............
PH YSI CAL D ATA Dim ensions D I M EN SI ON S 7 5 / 1 0 0 / 1 2 5 1 1 5 / 1 5 0 1 6 5 / 2 0 5 Height 30" [ 763 m m ] 17 3/4 "...
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PH YSI CAL D ATA 7 5 / 1 0 0 1 2 5 H EAT 1 6 5 H EAT H EAT ON LY ON LY ON LY Bot t om View Bot t om View Bot t om View Dim ensions Dim ensions Dim ensions...
1 - I M PORTAN T I N FORM ATI ON 1 . Sa fet y I nform a t ion FOR YOUR SAFETY READ BEFORE OPERATING Boiler installation shall be completed by qualified agency. See glossary for addit ional inform at ion. DANGER W ARN I N G Fire, explosion, asphyxiat ion and elect rical shock...
2 - I N TROD U CTI ON 2 .6 The unit M UST N OT: 2 - I nt roduct ion • Direct ly heat pot able wat er. I ndirect heat ing is accept able. 2 .1 I nst allat ion shall conform t o requirem ent s of aut horit y •...
3 - COM PON EN T LI STI N G H ea t Only - 7 5 & 1 0 0 Exhaust Port I nt ake Port I TEM H ea t Only - 7 5 & 1 0 0 Pum p wit h Air Separat or Boiler Drain Tap Gas Valve...
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3 - COM PON EN T LI STI N G H ea t Only - 1 2 5 Exhaust Port I nt ake Port I TEM H ea t Only - 1 2 5 Pum p wit h Air Separat or Boiler Drain Tap Gas Valve Low Water Pressure Cutoff...
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3 - COM PON EN T LI STI N G H ea t Only - 1 6 5 Exhaust Port I nt ake Port I TEM H ea t Only - 1 6 5 Pum p Boiler Drain Tap Low Water Pressure Cutoff Gas Valve NTC Heating sensor ( Supply/ Return) QTY 2, ( 1 Shown for...
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3 - COM PON EN T LI STI N G Com bi - 1 1 5 Exhaust Port I nt ake Port I TEM Com bi - 1 1 5 Pum p wit h Air Separat or Boiler Drain Tap Dom est ic Hot Wat er Turbine DHW Priorit y Sensor Cont rolled Fast Fill...
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3 - COM PON EN T LI STI N G Com bi - 1 5 0 Exhaust Port I nt ake Port I TEM Com bi - 1 5 0 Pum p wit h Air Separat or Boiler Drain Tap Dom est ic Hot Wat er Turbine DHW Priorit y Sensor Cont rolled Fast Fill...
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3 - COM PON EN T LI STI N G Com bi - 2 0 5 Exhaust Port I nt ake Port I TEM Com bi - 2 0 5 Pum p Boiler Drain Tap Dom est ic Hot Wat er Turbine DHW Priorit y Sensor DHW Heat Exchanger Gas Valve...
4 - LOCATI N G BOI LER W ARN I N G TABLE 1 : BOI LER CLEARAN CES Fire Hazard! Do not inst all on carpet ing. Failure t o M a nufa ct urer Com bu st ible follow t hese inst ruct ions could result in deat h or D im e n sion Recom m ended...
4 - LOCATI N G BOI LER 4 .2 Clea ra nces Service Clea ra nces 75, 100, 115, 125 & 150 165 & 205 13 9/16 in 211/2 in [345 mm] [546 mm] Front View of Left Side View Boiler of Boiler 8 5/8 in [220 mm]...
4 - LOCATI N G BOI LER FI GURE 4 - 2 W a ll M ount Bra ck et ( I ncluded) CAU TI ON Boiler weight exceeds 140 pounds ( 63.5 kg) . Do not lift boiler ont o wall wit hout assist ance. Cent er bracket s.
5 - COM BU STI ON AI R AN D V EN T PI PI N G • Support piping in accordance wit h pipe m anufact urer's W ARN I N G inst ruct ion and aut horit y having j urisdict ion. I n absence Fire, explosion, and asphyxiat ion hazard.
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.
5 - COM BU STI ON AI R AN D V EN T PI PI N G 5 .4 Approved Polypropylene M a nufa ct urers W ARN I N G Manufact urer recom m ends t his condensing boiler be * Nat alini vent ed wit h approved polypropylene vent ing m at erial.
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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...
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 are: Asphyxiat ion hazard.
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°...
5 - COM BU STI ON AI R AN D V EN T PI PI N G W ARN I N G FI GURE 5 - 8 - 2 " / 6 0 m m & 3 " / 8 0 m m Tw in Pipe Asphyxiat ion hazard! I m proper inst allat ion could Sepa ra t ed H orizont a l Flue Term ina t ion result in deat h or serious inj ury.
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 5 / 1 2 5 / 1 5 0 Boilers [ See Figures 5 - 1 1 , 5 - 1 2 &...
5 - COM BU STI ON AI R AN D V EN T PI PI N G 5 .1 2 Tw in Pipe CPVC Adapt er Kit I nst allat ion 5 .1 1 Tw in Pipe Polypropylene 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 1 , 5 - 1 2 , 5 - 1 7 , 5 - 1 8 &...
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.
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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 ...
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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 N OTE: 3"...
5 - COM BU STI ON AI R AN D V EN T PI PI N G 5 .1 4 ( 3 " / 8 0 m m Only) Flex ible Vent Syst em FI GURE 5 - 3 3 - ( 3 " / 8 0 m m Only) Flex ible Vent ing Syst em CAN BE U SED ON ALL SI Z ES Flexible vent syst em s shall only be run vert ical.
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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, and UL 1738 or ASTM D1784 &...
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 W ARN I N G Asphyxiat ion hazard! Fill condensat e t rap before st art ing boiler t o avoid com bust ion product s escaping boiler.
6 - H YD RON I C PI PI N G 6 .1 Genera l Boiler rat ed at 50 psig ( 3.45 bar) m axim um N o t e • Prim ary/ Secondary piping required. allowable working pressure. Boiler provided wit h •...
6 - H YD RON I C PI PI N G FI GURE 6 - 2 Sa fet y Relief Va lve Discha rge Piping 6 .3 Sa fet y Relief Va lve a nd Air Vent • Install safety relief valve using pipe fitting provided wit h boiler.
6 - H YD RON I C PI PI N G 6 .4 Trim Piping • Tem perat ure - Pressure Gauge. I nst all t em perat ure pressure gauge using piping provided wit h boiler. See Figure 6- 1. •...
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6 - H YD RON I C PI PI N G FI GURE 6 - 3 - Piping Dia gra m - LW CO Loca t ion Low Water Cutoff (LWCO) Arrange piping t o prevent N o t e ( See Figure 6- 5 for det ail) wat er dripping ont o boiler.
6 - H YD RON I C PI PI N G 6.6 External Optional Low Water Cut Off FIGURE 6-5 - 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 water level condit ion in a boiler, as required by t he Aut horit y Having Jurisdict ion.
6 - H YD RON I C PI PI N G 6 .7 M a nufa ct urer Recom m enda t ion - Filt er on DH W I nlet Pot able wat er Pot able wat er FI LTER M a nufa ct urer Recom m enda t ion Manufacturer strongly recommends the use of a filter, filtering potable water before entering the boiler.
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 when Boiler is designed for use in a sealed cent ral heat ing syst em .
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.
7 - GAS SU PPLY PI PI N G 7 .2 Ga s Pipe Recom m enda t ions • Use of Gas Appliance Connectors (flexible connectors Configure gas pipe for proper operation and avoid issues with failure to light or maintenance of proper flame during t ypically used for gas st oves or wat er heat ers) is operation, which could cause error codes related to flame prohibit ed.
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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.
7 - GAS SU PPLY PI PI N G NOTICE FI GURE 7 - 1 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.
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 - Connect ions Power Supply 120V - 60Hz in t erm inal block M1 are high volt age ( 120V / 60Hz) .
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) . Before m aking connect ions, verify appliance is disconnect ed from power supply.
8 - ELECTRI CAL CON N ECTI ON S FI GURE 8 - 4 Room Therm ost a t Connect ions 8 .5 I nst a ll Room Therm ost a t I nst all room room t herm ost at 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.
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8 - ELECTRI CAL CON N ECTI ON S 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...
8 - ELECTRI CAL CON N ECTI ON S FI GURE 8 - 7 Kt I ndirect St ora ge Ta nk 8 .7 Opt ions for I ndirect W a t er H ea t er Connect ions *125 Model shown - See Application Guide for size 75, 100 Heat only boiler models 75, 100 and 125 using an optional tank sensor can be electrically connected to indirect storage tank as follows:...
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8 - ELECTRI CAL CON N ECTI ON S FI GURE 8 - 8 Circula t or Pum p Connect ions For m ore inform a t ion plea se review t he a pplica t ion guide received w it h your boiler. A field supplied pump relay is necessary for system pumps.
9 - START U P PROCED U RE 9 .1 Cent ra l H ea t ing Syst em Connect ions - CEN TRAL H EAT M OD ELS ON LY 7 5 , 1 0 0 & 1 2 5 H EAT ON LY 1 6 5 H EAT ON LY WITH OPTI ON AL I N DI RECT DH W CON N ECTI ON...
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9 - START U P PROCED U RE 9 .2 Cent ra l H ea t ing Syst em - H EATI N G AN D D OM ESTI C H OT W ATER 1 1 5 & 1 5 0 COM BI 2 0 5 COM BI Boiler Connect ions LEGEND...
9 - START U P PROCED U RE 9 .3 Syst em St a rt Up FI GURE 9 - 1 Condensa t e Dra in Assem bly Follow all codes and regulations when filling the boiler. Model 205 shown ( locat ion sim ilar in all sizes) Use drain t aps t o allow syst em t o com plet ely drain.
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.
9 - START U P PROCED U RE I f dearat ion or gas recognit ion funct ion is int errupt ed W ARN I N G by power blackout , st art funct ion again when power is Asphyxiat ion hazard! Fill condensat e t rap before rest ored.
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.
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 Program boiler elect ronic board param et ers as follows: Measure input , if a gas m et er is inst alled in t he syst em . •...
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...
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9 - START U P PROCED U RE The values listed below are factory defaults, there may be differences for each application Model 1 0 0 1 1 5 1 2 5 1 5 0 1 6 5 2 0 5 Natural Natural Natural...
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.
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 cent ral W ARN I N G heat ing.
1 0 - OPERATI N G I N STRU CTI ON S 1 0 .5 Frost Prot ect ion W ARN I N G Boiler m onit ors supply and ret urn wat er t em perat ures t o Burn, Scald Hazard! Wat er t em perat ure over 125°...
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 furnished D AN GER wit h boiler are perm anent ly lubricat ed from fact ory and require no further lubrication.
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1 1 - GEN ERAL M AI N TEN AN CE AN D CLEAN I N G W ARN I N G 1 1 .2 M a int ena nce And Rout ine Servicing Check and service boiler as necessary. Following service procedures m ust be perform ed by qualified service agent.
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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.
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 ) Com bi - 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.
1 1 - GEN ERAL M AI N TEN AN CE AN D CLEAN I N G NOTICE 1 1 .1 0 User I nform a t ion Advise User of 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 replace it if A.
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) ( 3) Net AHRI CH I nput, MBH (1)(2) Model CH Heat ing Rat ing Wat er,...
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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 Heating Model...
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1 2 - RATI N GS AN D CAPACI TI ES 1 2 .5 Ava ila ble Boiler Pum p H ea d This is a high static head pump fit for installation on any type of single or double-pipe heating systems. The automatic air valve incorporat ed in t he pum p allows quick vent ing of t he heat ing syst em .
1 3 - TROU BLE SH OOTI N G 1 3 .1 Error M essa ges a nd Reset t ing t he 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...
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1 3 - TROU BLE SH OOTI N G 1 3 .1 Error M essa ges a nd Reset t ing t he Boiler - cont inued Error Descript ion Opera t ion 1 3 5 I nt ernal error Verify all cables.
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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 "ON"...
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1 4 - GLOSSARY • APPLIANCE - Device t o convert gas int o energy; t erm • DIRECT VENT BOILER - Boiler const ruct ed and inst alled so includes any com ponent , cont rol, wiring, piping or t ubing all com bust ion air is derived direct ly from out doors and all required t o be part of t he device.
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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 from each Natural Gas other. Fresh air may be drawn in at a different area from where flue terminal is located.
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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...
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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.
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APPLI CATI ON GUI DE FOR USE WI TH H EATI N G ON LY - 7 5 , 1 0 0 , 1 2 5 , 1 6 5 & COM BI - 1 1 5 , 1 5 0 , 2 0 5 This m anual has been prepared for use wit h t he appropriat e I nst allat ion, Operat ion and Maint enance Manual.
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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 ................
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 Becom e fa m ilia r w it h sym bols ident ifying 3 .
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 , 1 0 0 & 1 2 5 H EATI N G ON LY 1 6 5 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 , 1 0 0 &...
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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 & 1 5 0 COM BI 2 0 5 COM BI LEGEN D 1 1 5 &...
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! Manufacturer requires inst allat ion of field supplied ant i- scald valve.
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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...
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) .
P I P I N G LEGEN D PI PI N G LEGEN D ZONE VALVE BALL VALVE DHW INDIRECT TANK AI R SEPARATOR INDIRECT TANK AQUASTAT CI RCULATOR 1 0 K Ω INDIRECT DHW TANK SENSOR DRAI N TEMPERATURE & PRESSURE GAUGE COMBINATION FILL EXPANSION TANK FLOW CHECK VALVE...
EX T ERN AL BU FFER T AN K - P I P I N G D I AGRAM Buffer Ta nk Piping When inst alling low m ass syst em s, addit ional wat er m ass may be required to avoid short cycling by the boiler. In t hese applicat ions it is recom m ended t hat a buffer t ank be inst alled.
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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 N OTE : Accept able prim ary pum p locat ions: Eit her 1 or 2.
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 240013694 REV.
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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 240013694 REV.
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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...
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...
ACCESSO RI ES 1. 1K Ohm (1k Ω) Outdoor Temperature 1k Ω Sensor Kit - BD7 1 0 4 8 7 3 0 2 V • Use the Outdoor Sensor (OAS) Kit with Heating Only or Combi Boilers. • Wire Cont rol t o boiler M2 t erm inal st rip, t erm inals 4 and 5 as shown.
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.
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...
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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...
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...
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 .
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.
ERRO R CO D E T ABLE N ot e: When inst ruct ed 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...
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...
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FAU LT SO LU T I O N SECT I O N S PN 240013694 REV. A [09/01/2022]...
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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,...
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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...
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 IN USA CONTACT: IN CANDA CONTACT: Gra nby I ndust ries L.P. I ndust ries Gra nby S.E.C. 98 des Industries, Cowansville, Qc.
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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.
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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...
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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...
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