Utica Boilers CuB Series Operation and Installation Manual
Contents
1. ZJ 44 REPATR PARTS LIST o remus o reme mecenas pos 45 NOTES NOTES N ECR International Inc 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com2. HYDRONIC PIPING Viewed from front of boiler Burn and Scald Hazard Safety relief vlave could discharge steam or hot water during operation Install discharge piping per these instructions Failure to do so could result in death or serious injury 5 4 Safety Relief Valve NOTICE Boiler rated at 43 5 psig 30MPa maximum allowable working pressure Boiler provided with 30 psig 21MPa safety relief valve Install safety relief valve using pipe fittings provided with boiler See figure 7 e Install safety relief valve with spindle in vertical position lt Coupling 17 e Do not install shutoff valve between boiler and safety relief valve e Install discharge piping from safety relief valve See ANO ge piping y Nipple 1 x 57 e Use 34 or larger pipe e Use pipe suitable for temperatures of 375 F 191 C 4 greater Individual boiler discharge piping shall be independent de Tee I x I x 3 4 of other discharge piping Size and arrange discharge piping to avoid reducing safety relief valve relieving capacity below minimum relief valve capacity stated on rating plate Run pipe as short and straight as possible to location protecting user from scalding and properly drain piping Install union if used close to safety relief valve outlet Install elbow s if used close to safety relief valve outlet and downstream of union if used Street Elbow 34 e erminate
3. lt 3 5 3 D 5 a 5 c D 41 A44 A4 5 Q D 99 WIRING DIAGRAM 370 Field Source LWCO 138 Optional Outdoor Sensor 120Vac 60Hz EN DE X9 95 24 GND 29719 HOE 72 47 ES Ass FE TH 111 ASS 42 1 No 114 136 Edu 81 1 qoom Important Before connecting the room thermostat remove the jumper on terminal block Key 16 Modulating fan 114 Water pressure switch 32 Heating circulating pump 136 Flow meter 42 DHW temperature sensor 138 External probe field sourced 44 Gas valve 278 Double sensor Safety Heating 47 Modulation Regulator 297 Air pressure transducer 72 Room thermostat field sourced 370 LWCO field sourced field sourced 81 Ignition detection electrode 95 Diverter valve 38 REPATR PARTS LIST KEY Number Description Qt A01 FE3980B990 CASING CTR 8 REPATR PARTS LIST Part Number FE3980C200 KIT CONTROL BOX FE3980B850 CONTROL BOARD DBM34 FE3980C210 FRONT COVER CTR FE3980B840 PRESS TEMP GAUGE FE3980C330 WIRING FE3980C220 KIT MONO CABLE EL 41 REPATR PARTS LIST eeneg REPATR PARTS LIST 43 REPATR PARTS LIST 22 2 PZA
4. DHW temperature setting decrease button 2 DHW temperature setting increase button The antifreeze system does not work when power and or 3 Heating system temperature setting decrease button CH gas to the unit are turned off To avoid damage caused by _ 5 freezing during long idle periods in winter it is advisable to 6 Summer Winter mode selection Reset button drain all water from the boiler DHW circuit and system or 7 Unit On Off Economy Comfort mode selection button drain just the DHW circuit and add a suitable antifreeze to 8 DHW symbol the heating system See Section 5 2 page 11 9 DHW mode 10 Summer mode 11 Multifunction Temperature 12 Eco Economy mode 13 Heating 14 Heating symbol 15 Burner On and actual power 64 C H temperature pressure gauges 27 10 OPERATING INSTRUCTIONS Boiler Ignition Supply unit with electricity A gt Boiler ignition For 120 seconds display will show FH which identifies the air venting cycle for the heating system During the first 5 seconds the display will show the software release of the card also Open the gas valve before the boiler When FH vanishes boiler is ready to automatically work whenever hot tap water is drawn or room thermostat requests heating Turning the boiler off Press the button below see item 7 on the control panel display for 5 seconds When the boil
5. nuisance hazard Press CH buttons at the same time for 5 seconds 6 Verify boiler operates e 3 way valve is in CH position and burner is forced at 100 Boiler automatically exits test mode after 15 minutes or to exit test mode manually press CH buttons together for 5 seconds e With Ch buttons you can adjust Max power from 0 to 1009 6 Check control module operation 8 Check field sourced limits low water cutoffs etc per manufacturer s instructions 9 5 Ignition Adjustment To adjust ignition switch boiler to TEST mode See Start up Procedure Press DHW buttons to increase or decrease power min 00 max 60 Press RESET button within 5 seconds and ignition remains set Exit TEST mode 24 9 START UP PROCEDURE 9 6 Check Combustion Figure 17 Test Ports Natural Gas 1 Measure input English unitsTurn off gas to all other Vent Gases T appliances Test Port e Activate some heating zones to dissipate heat e Set boiler on high fire e Use Ya 1 or 2 cu ft dial on gas meter Measure time required for one or more complete revolutions Measure time for 1 2 minutes e Calculate input 3600 Input MBH Combustion Air Test Example Gas flow from Port Meter 2 cuft Measured time 2 seconds 3600x 2cuft Rate MBH comm m 100 MBH seconds Table 11 Combustion Table Combustion Minimum Maximum Natural Gas High Fire CO at 100 96 7
6. HYDRONIC PIPING 5 1 General e Install piping in accordance with authority having jurisdiction NOTICE Use two 2 wrenches when tightening and fitting pipe to boiler s threaded fittings Boiler s internal piping can be damaged if subjected to excessive torque e Support system piping and safety relief valve discharge piping Boiler s internal piping and wall mount bracket can be damaged if subjected to excessive weight e Size central heating pump and domestic hot water pump if used for system requirements only Internal heat exchanger pump compensates for pressure drop through boiler internal piping and heat exchanger e Thoroughly clean and flush system before connecting to boiler e If oil is present in system water use approved detergent to wash system e Flush system to remove any solid objects such as metal chips fibers or Teflon tape etc 5 2 Water System Characteristics e Water in the heating system must have protection of metallic materials against corrosion e Filling water and subsequent replenishing must be clear with hardness under 150 ppm CaCO3 A treated with approved conditioning chemicals to ensure prevention of corrosion and attack on metals and plastics that gases do not form B and bacterial or microbial masses do not proliferate in low temperature systems e Hardness exceeding 150 ppm CaCO3 appropriate water softening treatment and or use of suitable anti fouling agents must be provide
7. Venting Components 5 ft equivalent for a 3 90 elbow 2 1 2 ft equivalent for a 3 45 elbow 18 6 COMBUSTION AIR AND VENTILATION Provide combustion air and ventilation air in accordance with the section Air for Combustion and Ventilation of the National Fuel Gas Code ANSI Z223 1 NFPA 54 or Sections 8 2 8 3 or 8 4 of Natural Gas and Propane Installation Code CAN CSA B149 1 or applicable provisions of local building codes Provide make up air where exhaust fans clothes dryers and kitchen ventilation equipment interfere with proper operation National Fuel Gas Code recognizes several methods of obtaining adequate ventilation and combustion air Requirements of the authority having jurisdiction may override these methods Engineered Installations Must be approved by authority having jurisdictions Mechanical Air Supply Provide minimum of 0 35 cfm per Mbh for all appliances located within space Additional requirements where exhaust fans installed Interlock each appliance to mechanical air supply system to prevent main burner operation when mechanical air supply system not operating All Indoor Air Calculate minimum volume for all appliances in space Use a different method if minimum volume not available Standard Method Cannot be used if known air infiltration rate is less than 0 40 air changes per hour See Table 4 for space with boiler only Use equation for multiple appliances Volume gt 50
8. disconnected Sensor damaged DHW sensor fault Wiring disconnected Sensor damaged Delivery sensor 2 fault Wiring shorted A15 signal protection activation ia de fat See fault F05 Supply voltage under 170V Electric mains trouble Check the electrical system Faulty mains frequency Electric mains trouble Pressure too low 5 2 0 D O1 3 2 c D o Check the electrical system Fill the system F37 system water pressure Check the sensor Probe damaged or wiring short circuit Probe disconnected after activating the Check the wiring or replace the sensor Reconnect the external probe or disable the sliding temperature External probe fault Check correct heating sensor positioning and operation Sensor positioning Delivery sensor detached from the pipe Heating sensor fault No system circulation Exchanger protection activation DHW sensor disconnected 8 Air signal protection activation Fault F05 for 150 seconds Modulation regulator fault Pressure too low Low water cutoff warning Low water cutoff damaaed Replace the sensor Check the circulating pump Vent the system Check the correct positioning and operation of the DHW sensor See Fault F05 Check the wiring Fill the system Check the contact o gt 0 o 0 5 3 5 5 77 5 O O Q O a 1915 8
9. not avoided could result in minor or moderate injury NOTICE Used to address practices not related to personal injury 2 3 Installation shall conform to requirements of authority having jurisdiction or in absence of such requirements e United States e National Fuel Gas Code ANSI Z223 1 NFPA 54 e National Electrical Code NFPA 70 e Canada e Natural Gas and Propane Installation Code CAN CSA B149 1 e Canadian Electrical Code Part I Safety Standard for Electrical Installations CSA C22 1 2 4 Requirements for Commonwealth of Massachusetts Boiler installation must conform to Commonwealth of Massachusetts code 248 CMR which includes but is not limited to e nstallation by licensed plumber or gas fitter 2 5 Where required by the authority having jurisdiction the installation must conform to the Standard for Controls and Safety Devices for Automatically Fired Boilers ANSI ASME CSD1 3 GENERAL VIEW AND MAIN COMPONENTS Figure 2 Component Listing Sh BLO IN U 12 148 M LL LL Bg 0 Ba 21 ZZ 10 42 8 44 7 39 9 136 11 3 GENERAL VIEW AND MAIN COMPONENTS Description Sealed Chamber Gas Inlet Domestic Hot Water DHW Outlet Domestic Cold Water DHW Inlet Supply System System Return Modulating Fan Combustion Chamber Burner Assembly Burner Combustion Chamber Insulation Copper Heat Exchanger Exhaust Manifold Exhaust Outlet Manifold H
10. of choice 8 then the single wall pipe will be passing through the side wall For combustible walls a UL listed thimble shall be used where the single wall pipe passes through the wall 9 C For single wall pipe through non combustible walls the hole through the wall need only be large enough to maintain the pitch of the vent pipe and provide proper sealing A thimble is not required for single wall pipe passing through non combustible walls 17 D The venting system shall terminate at least 3 feet 0 9m above any forced air inlet located within 10 feet 3m The venting system shall terminate at least 4 feet 1 2m below 4 feet 1 2m horizontally from or 1 foot 300 mm above any door window or gravity air inlet into any building The bottom of the vent shall be located at least 12 inches 300mm above grade Termination of the vent shall be not less than 7 feet 2 13m above adjacent public walkway The vent terminal shall not be installed closer than 3 feet 0 9m from the inside corner of an L shaped structure Termination of the vent should be kept at least 3 feet 0 9m away from vegetation The venting system shall terminate at least 4 feet horizontally from and in no case above or below unless a 4 foot horizontal distance is maintained from electric meters gas meters regulators and relief equipment e The venting system shall terminate at least 4 feet below any eave soffit or roof overhang e he venting s
11. other gas appliance with improper methods or in National Fuel Gas Code for specific requirements of materials may result in serious injury or death due multiple appliance venting to fire or to asphyxiation from poisonous gases such 7 Boiler is only appliance connected to vent Type B vent as carbon monoxide with is odorless and invisible pipe is recommended for vent connector 8 Slope pipe up from boiler to chimney not less than 1 4 per foot 21mm m 9 End of vent pipe must be flush with inside face of chimney flue Use sealed in thimble for chimney D t cooleri ti f Kaia connection ra i 5 a dnd 10 Fasten sections of vent pipe with sheet metal screws to ratt system operating under positive pressure make piping rigid Use stovepipe wires to support pipe from above 11 Do not connect to fireplace flue 12 Do not install damper on this boiler 6 1 Check Your Chimney Chimney must be clean right size properly constructed and in GOOD CONDITION 1 Installation must conform to requirements of the Figure 10 Combustion Air Fitting authority having jurisdiction or in absence of such requirements to the National Fuel Gas Code ANSI 2 Z223 1 NFPA 54 and or Natural Gas Installation Code CAN CSA B149 1 2 Increaser fitting is required on this boiler for Category I venting and 4 is minimum permissible vent diameter This does not imply vent connector is intend
12. pipe with plain end not threaded 12 Figure 7 Safety Relief Valve 8 Air Vent 5 HYDRONIC PIPING Figure 8 Safety Relief Valve Discharge Piping Safety Relief Valve Gas Shutoff Valve in Open position Check Local Codes for Maximum Distance to Floor 13 5 HYDRONIC PIPING Figure 9 Hydronic Piping 2 8 27 114 36 95 32 241 42 5 136 m E Plumbing circuit 8 Domestic Hot Water Outlet 9 Domestic Cold Water Inlet 10 Heating System Supply 11 Heating System Return 27 Copper Exchanger For Heating And Hot Water 32 Heating Circulating Pump 36 Automatic Air Vent 42 DHW Temperature Sensor 95 Diverter Valve 114 Water Pressure Switch 136 Flow Meter 241 Automatic Bypass 278 Double Sensor Safety Heating 14 6 COMBUSTION AIR AND VENT PIPING CATEGORY I CHIMNEY VENT 5 Vent connector from boiler to chimney should run as directly as possible with as few elbows as possible Boiler and venting installations shall be performed 6 Common venting shall not be allowed Boiler and by a qualified expert and in accordance with the other certified appliances appliances can share same appropriate manual Installing or venting boiler chimney vent Consult appropriate Vent Sizing Tables or
13. section 6 Ensure proper reassembly and resealing of system Test safety relief valve for proper operation Refer to valve manufacturer s instructions packaged with relief valve Examine flue passages in heat exchanger burner and cleaning if necessary by following instructions in Annual Inspection and Cleaning of Boiler Components in this section Following service procedures must be performed by qualified service agent Boiler owner shall not attempt these steps Failure to do so could result in death or serious injury 11 3 Annual Inspection and Cleaning of Boiler Components e Burner and heat exchanger inspection and cleaning Circulator pump and combustion air blower motor furnished with boiler are permanently lubricated from factory and require no further lubrication Lubricate field sourced pumps and or motors according to pump and or motor manufacturer s instruction Check following components are operating properly and are free of blockages or obstructions e air vent e check air inlet for blockage and clean as required e check boiler for any sign of leaks e Check heating system expansion tank e Check the Air pressure tubing e Remove any remaining loosened sediment using shop vacuum with snorkel attachment Caution Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation after servicing 12 RATIN
14. type of treatment which could prevent its possible food use can be provided for e Poison hazard Ethylene glycol is toxic Do not use ethylene glycol e Never use automotive or standard glycol antifreeze even ethylene glycol made for hydronic systems e Ethylene glycol can attack gaskets and seals used in hydronic systems e Use only inhibited propylene glycol solutions certified by fluid manufacturer as acceptable for use with closed water heating system e Thoroughly clean and flush any system that used glycol before installing new Boiler e Provide user with Material Safety Data Sheet MSDS on fluid used NOTICE Do not expose boiler to freezing temperatures 5 3 Special Conditions e 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 e Boiler installed above radiation level or as required by authority having jurisdiction shall have low water cutoff protection e Boiler used in connection with refrigeration system Install piping in parallel with boiler with appropriate valves to prevent chilled medium from entering boiler e System piping connected to heating coils located in air handling unit exposed to refrigerated air circulation Install flow control valves or other automatic means to prevent gravity circulation of boiler water during cooling cycle 5
15. w c 3 3 0 7 kPa kPa 8 ELECTRICAL CONNECTIONS Figure 16 Terminal Block Electrical shock hazard Turn OFF electrical power supply at service panel before making electrical connections Failure to do so could result in death or serious injury 8 1 General Electrically bond boiler to ground in accordance with requirements of authority having jurisdiction Refer to e USA National Electrical Code ANSI NFPA 70 e Canada Canadian Electrical Code Part I CSA C22 1 Safety Standard for Electrical Installations 8 2 Line Voltage Connections Boiler Provide individual 120V 15 amp circuit recommended with fused disconnect or service switch as required by authority having jurisdiction 8 3 Central Heating Thermostat 1 Thermostat or dry contacts A Use thermostat or boiler system control with dry contacts rated 0 5 amps 120 VAC Boiler control does not provide 24 VAC power to central 2 138 Optional External Outdoor Reset Sensor heating thermostat Do not use to power 24VAC 370 Low Water Cutoff LWCO field source thermostat Connections on 1 8 2 terminals are 120 Volts A C Connections on 3 8 4 are dry contact only B Locate and install thermostat per manufacturer s instructions Maximum wire length is 330 ft 100m for 22 ga wire C Connect wires to terminals 1 and 2 as shown in figure 17 Wires are interchangeable 23 9 START UP PROCEDURE 9 1 Fill Boiler With Water And Pur
16. 3 7 8 Low Fire CO at 33 3 0 5 0 Figure 18 Gas Valve Two sampling points are available at top of the boiler one for venting and the other for combustion air To sample Open the air vent outlet plug Insert probes all the way in Turn on TEST mode wait 10 minutes for boiler to stabilize Take measurement CE l i B em A Pressure point upstream Pressure point downstream AL C Modureg electrical connection D Protection cap 0 2 Minimum pressure adjustment nm i F Modureg 2 Maximum pressure adjustment LA I Gas valve electrical connection UG N Compensation tube 25 If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life e This appliance is equipped with an ignition device e Before operating smell all around appliance area 10 OPERATING INSTRUCTIONS WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance e Do not touch any electrical switch do not use any phone in your building which automatically lights burner Do NOT try to light this burner by hand e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions for gas Be sure to smell next to floor because some gas is heavier than air and will settle to the floor e If you cannot reach your gas supplier call the fire department e Use only your hand to tu
17. D 6 4 Locating Bola sese EE STEEN 9 o e PIVaroc E T EEE O E E ir EE A E E OE M RU VS UE 11 6 Combustion Air And Vent Piping Category I Chimney Vent 15 6 Combustion Air And Vent Piping of direct vent and Category III 17 O COMIDUSUORANANG Ventilatii RD O 19 y TTL TTE 22 o gt BIECNICAFCONNECHO S Oo C RPA 23 9 Start Up Procedure ROR EO MEE QUU MIRI OOO OR AA CE 24 IO ODETGUNGINSUFUCNON ae 70 26 11 General Maintenance And 33 12 Rangs 3 55 5 34 L3 Trouble SHOOUN 558 SDA GAZ NEAT 37 MWIFIBS ae OOO E AE EE EA 38 PArt LIST OOO AO GOO EEG KOCE 40 1 INTRODUCTION 1 1 Designated Use e Hot water heating boiler e Indoor installation e Closet or alcove installation e Catagory I or III Venting e Direct vent boiler e For use with natural gas or liquefied petroleum gases LP propane e Directly hea
18. GS AND CAPACITIES Data it CCB150 Boiler category esy U Type of Gas aim Natural Gas 150000 Maximum Input 0 2000 Ft 135000 1 50000 Stuhr 45000 Input 2000 4500 Ft nimimm np 121 145 0 5 Inlet Gas Pr WER ZA Paj T 000 Min Inlet Gas Pressure Manifold gas pressure Max input Manifold qas pressure Min input D O E Heating Capacity AM 2 Orifice Size 0 5500 f p oem WATER TEMP e 0 _ Maximum Input LP 0 2000 Ft a ae 00 eee KW 163 34 12 RATINGS AND CAPACITIES Table 13 Sea Level Ratings AMD CERTIFIED SEA LEVEL RATINGS www ahridirectory org NATURAL AND PROPANE GASES Net AHRI Rating Water MBH OG 1000 Btu hr British Thermal Units Per Hour 2 Heating Capacity and AFUE Annual Fuel Utilization Efficiency are based on DOE Department of Energy test procedures Net AHRI Ratings based on piping and pickup allowance of 1 15 Contact Technical Support before selecting boiler for installations having unusual piping and pickup requirements such as intermittent system operation extensive piping systems etc Heating Capacity 12 1 Ratings and Capacities e Constructed and hydrostatically tested for maximum allowable working pressure of 43 5 psig pound
19. ICE Refer to section 6 1 numbers 3 through 12 page 15 of this manual for proper installation 4 gt Combustion Air mp Venting Figure 14 Chimney Venting with Outside Air Single Wall gt Combustion Air Venting DIRECT VENT BOILER Boiler constructed and installed so all combustion air is derived directly from outdoors and all vent gases are discharged to outdoors See Figure 14 21 7 GAS SUPPLY PIPING WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance e Do not touch any electrical switch do not use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow gas supplier s instructions e If you cannot reach your gas supplier call the fire department 7 1 General e Use piping materials and joining methods acceptable to authority having jurisdiction In absence of such requirements e USA National Fuel Gas Code ANSI Z223 1 NFPA 54 e Canada Natural Gas and Propane Installation Code CAN CSA B149 1 e Size and install gas piping system to provide sufficient gas supply to meet maximum input at not less than minimum supply pressure See Table 5 e Support piping with hooks straps bands brackets hangers or building structure components to prevent or dampen excessive vibrations and prevent strain on gas connection Boiler will not support piping weight e Use thread joint compound pipe dope suitab
20. accordance with Section 8 2 and 8 3 when combination of applianceshas a total input of up to and including 400 Mbh 120kW Does not have draft control device Section 8 4 when combination of appliances has total input exceeding 400 Mbh 120 kW Refer to Natural Gas and Propane Installation Code for specific air supply requirements for enclosure or structure where boiler is installed including air supply openings and ducts Table 4 Air Infiltration Standard Method Known Air Infiltration Rate Method Air Changes Per Hour 7500 22 500 11 250 7 500 5 625 4 500 3 750 6 COMBUSTION AIR AND VENT PIPING Figure 11 Horizontal Venting Clearances Mechanical draft vent terminal C x Mechanical draft vent terminal RY Less 2 4 ft minimum than n LZY Pnp VO x Minimum clearance C Input Btu hr Clearance in m Over 50 000 12 Forced air WN inlet lt gt Lo For SI units 1 ft 0 305 m 1 in 25 4 mm R 1 Btu hr 0 293 W 2 w 12 in No 3 ft minimum Direct vent terminal clearance 72 PA RS gt o NOTICE Figure 12 Two Pipe Venting Maintain 12 30cm US 18 46cm Canada clearance above highest anticipated snow level or grade HL IHHHHHHERH HHHHHHHEH gt Combustion Air m Venting 20 6 COMBUSTION AIR AND VENT PIPING Figure 13 Chimney Venting with Room Air NOT
21. acture s instructions 6 COMBUSTION AIR AND VENT PIPING OF DIRECT VENT AND CATEGORY III 10 If the horizontal vent must go through a crawl space or other unheated space the cool temperatures will likely i cause the flue gases to continuously condense inside Vent extending through exterior wall shall not the vent pipe Do not insulate the vent pipe It must terminate adjacent to wall or below building visible for monthly inspection Insure that the vent pipe extensions such as eaves balconies parapets is properly pitched away from the boiler with no low decks Failure to comply could result in death or spots so that condensate in the vent will drain away serious injury from the boiler An insulated enclosure or chase with access for inspection and servicing of the vent may be required to prevent freezing of liquid condensate Consult the vent pipe manufacturer s instructions for specific guidelines 11 At beginning of each heating season and monthly during the heating season check all vent pipes and vent terminal to make sure there are no obstructions Periodically clean the screen in the vent terminal Table 3 Combustion Air and Vent Pipe Fittings Diameter MinLenght MaxLenght Material Standards AL294C Stainless UL1738 ANSI ASTM Stainelss Steel D2564 ANSI Air intake 3 5 ft 65 ft 2 ASTM F493 UL 1738 ULC636 08 AL294C Stainless UL1738 Equivalent Length of
22. ap D 2 Operate boiler in TEST mode 9 2 Boiler Start up and Operational Test 3 Adjust maximum pressure by turning screw G clockwise to increase pressure and counter clockwise to decrease 4 Disconnect one of two connectors C from modulation regulator F on the gas valve 5 Adjust minimum pressure by turning screw E clockwise X to increase the pressure and counter clockwise to 1 Verify air is purged from hydronic piping System test pumps verify each pump is operational 3 Verify gas piping e Confirm pressure test See section 7 3 page 20 e Visually inspect piping to determine there are no decrease it open fittings or ends and all valves at unused 6 Turn burner on and off verify minimum pressure outlets are closed and plugged capped remains stable e Purge air from piping 7 Reconnect connector C detached from modulation e Check piping and connections for leaks immediately regulator F on the gas valve after gas is turned on Shut off gas supply and 8 Verify maximum pressure has not changed make necessary repairs if leaks found 9 Replace protection D 4 Follow OPERATING INSTRUCTIONS to initiate boiler 10 To end TEST mode repeat activation sequence or wait operation See section 10 15 minutes 5 Inspect combustion air and vent piping Verify pipe 9 4 To Enter Test Mode Adjust Heating Power is not leaking and terminations are unobstructed and vent gas discharge is not
23. be checked to be sure they meet local codes 6 4 Modulating Fan e Unit is equipped with an advanced combustion air vent flow control system with modulating fan and pressure sensor e Unit automatically adapts its operation to flue type and length without requiring adjustments during installation or use of baffles in combustion circuit e Unit consistantly and automatically regulates combustion air and vent flow according to change in thermal load Combustion and heat exchange occur in optimum conditions Unit s thermal efficiency remains high throughout its power range 6 5 Venting Materials e See Table 2 Table 2 Combustion Air and Vent Pipe Fittings Category I Chimney Vent Standards Type B Vent UL 441 ULC S605 Masonry Chimne Vent Pipe amp Fittings must AA National Fuel Gas Code ANSI Z223 1 proper sizing and NFP 54 materials Stainelss Steel ANSI ASTM D2564 Combustion Air PVC CPVC PP ANSI ASTM F493 Aluminum UL 1738 ULC636 08 6 COMBUSTION AIR AND VENT PIPING OF DIRECT VENT AND CATEGORY III Induced Draft Boilers Horizontal Category III venting systems installation shall conform to the requirements of the authority having jurisdiction or in the absence of such requirements to the National Fuel Gas Code ANSI Z223 1 NFPA 54 and or Natural Gas and Propane Installation Code CAN CSA B149 1 1 Boilers may be vented horizontally Vent pipe is pitched down from boiler to vent
24. ce or from safety relief valve discharge See section 5 e Access to system water piping gas supply and electrical service See sections 5 7 and 8 e Clearances to combustible materials and service clearances See Table 2 and figure 5 e he boiler must not be installed on carpeting Boiler Side View TABLE 1 BOILER CLEARANCES Combustible 1 3 cm 1 3 1 3 cm 0 0 cm Bottom F 0 0 cm 12 30 cm Combustion Air piping 0 3 8 1 Vent piping 6 15 6 15 1 Required distances measured from boiler jacket 2 Service proper operation clearance recommendation 4 LOCATING BOILER 4 2 Pre pipe supply and return water connections Figure 6 Wall Mounting Bracket with factory fittings before wall mounting 4 3 Wall Mounting 23 238 Mount boiler on wall using wall mounting bracket included 2 4cm 2 4cm with unit e Structure must be capable of supporting boiler weight plus 60 16 28 kg See page 7 e Wall mount bracket has 2 slots spaced at 91 4 23 5cm on center e Attach wall mount bracket level on wall e Boiler must engage with wall mount bracket See figure 6 914 23 5cm Boiler weight exceeds 75 pounds 34 kg Do not lift boiler onto wall without assistance NOTICE Lift boiler using chassis Using front jacket vent piping water or gas fittings to lift boiler may cause damage to the boiler 10 5
25. cod 3541F060 Model CCB 150 COMBI WALL MOUNTED GAS BOILER INSTALLATION OPERATION amp MAINTENANCE MANUAL CERTIFIED www ahridirectory org Manufactured for ECR International Inc 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com P N 240010632 Rev B 07 17 2014 DIMENSIONS Figure 1 Overall Dimensions 13 in 330 _ m 450 mm Side View Top View 4 21 64in 4 17 32in 4 17 32in 4 21 64 in 7 11 16 in 17 23 32 in 450 mm 17 Zar32 Front View 27 9 16 in 700 mm ula mom prm gt 2 11 3 8 5 3in 3in HOmm 3in 21 8in 2in 3 5 32 in 76mm 55mm 50mm 80mm i NNNQG OAR C le 3 e AN nnana oe 2 U U pes 1 1 MPT Supply Water to Heating System Out 3 4 Water Outlet 3 4 FPT Gas Inlet 3 4 Water Inlet 1 Return Water From LN 2 1 8 inj 55mm 311 32in 3in 41 8in 311 64in 35 64in 85mm _ 76mm 105mm 80 5mm _ 103 5mm Heating System IN Bottom View 7 1 2 in 190mm Ul Bh UN 39 64 in 26 9 16 in 675mm 15 mm 27 9 16 in 700 mm TABLE OF CONTENTS 4 2 Important Safety 218100 5 3 General View and main components aua FR AAAA EEG OR a Eo ARD R
26. d Water contained in the system must be checked at least yearly and have A pH above 7 and under 8 5 under 8 with presence of components in aluminum or light alloys B iron content Fe less than 0 5 mg l C copper content Cu less than 0 1 mg l D total content of chlorides nitrates and sulfates less than 50mg I E must contain conditioning chemicals in concentration sufficient to protect system for a year There must be no microbial or bacterial loads in low temperature systems Conditioners additives inhibitors and anti freeze fluids can be used only if manufacturer guarantees they are suitable for use in heating systems and they do not cause damage to heat exchanger or other components and or materials of boiler and system Use of generic chemicals not specifically suitable for use in heating systems and or incompatible with boiler materials and system is forbidden Conditioning chemicals must ensure complete deoxygenation of water and contain specific protective agents for yellow metals copper and its alloys anti fouling agents for limescale at least up to 150 ppm CaCO3 pH neutral stabilizers and in low temperature systems specific biocides for use in heating systems In systems with continuous intake of oxygen e g floor systems without anti diffusion pipes open expansion vessels or intermittent e g in case of frequent replenishing a separator must be provided Regarding domestic hot water DHW no
27. eating circulating pump Automatic Air Vent DHW Flow Regulator DHW Temperature Sensor Gas Valve m 95 __ 114 Water Pressure Switch 136 Flow Meter 364 CondensateUnion gt Unit Weight 74 LBS 33 5 kg Shipping Weight 78 LBS 35 5 kg 3 GENERAL VIEW AND MAIN COMPONENTS Fire explosion asphyxiation and electrical shock hazard Disconnect electrical power supply and turn off gas at shutoff valve before attemting to remove boiler jacket Failure to follow these instructions could result in death or serious injury Remove Boiler Jacket 1 Unscrew screws A 2 Pivot jacket upwards See figure 3 3 Raise Jacket up and off boiler See figure 4 Figure 3 Jacket Removal Screw Figure 4 Pivot Jacket and Raise to Remove Locations 4 LOCATING BOILER 4 1 Boiler Location Considerations e Ambient room temperature always above 32 F 0 to prevent freezing e Approved for installation in closets e Protect gas ignition system components from water dripping spraying rain etc during operation and service circulator replacement control replacement Figure 5 Boiler Clearances etc e Wall mount only e Access to outdoors to meet minimum and maximum Front View pipe lengths for combustion air and vent piping See section 6 e Drainage of water or water antifreeze solution during boiler servi
28. ed to be 4 diameter pipe Vent connector shall be sized according to appropriate venting tables in the National Fuel Gas Code and may be required to be larger than 4 diameter NOTICE Boiler installation for chimney venting is not complete unless increaser fitting is located and secured 3 Venting into masonry chimney without liner line chimney from top to bottom with either A Listed Type B vent pipe Horizontal Venting requires field supplied appliance adapter B Listed flexible vent liner for the boiler flue outlet C Poured ceramic liner Boiler is provided with a 3 vent connection 3 x 4 increaser must be field sourced for chimney application This does not mean that the connection to the chimney will always be 4 4 Outside chimneys should not be used unless they are choose one of the following A Enclosed in a chase B Lined with Type B vent pipe C Use listed flexible vent liner D Use certified chimney lining system 15 6 COMBUSTION AIR AND VENT PIPING CATEGORY I CHIMNEY VENT 6 2 Minimum Vent Pipe Clearance e Use Type B vent pipe through crawl space Where vent pipe passes through combustible wall or partition use ventilated metal thimble Thimble should be 4 inches larger in diameter than vent pipe e Boiler installed with single wall vent must have 6 clearance between its surface and any combustible material New Type B gas vent or fl exible liner must be installed in accorda
29. er F cause temporary shutdowns that are automatically reset as soon as the value returns within the boiler s normal working range Table of faults List of faults Fault Cure code o 2 U 8 8 5 19 e Z lt o G Q 9 v c o D Check the regular gas flow to the boiler and that the has been eliminated from the pipes Check the wiring of the electrode and that it is correctly Ignition detection electrode fault positioned and free of any deposits A01 No burner ignition Check the gas valve and replace it is necessary gnition power too low Adjust the ignition power Flame present signal with burner Electrode fault A02 off Heating sensor damaged Check the ionisation electrode wiring Check the card Check correct heating sensor positioning and operation Overtemperature protection activation No water circulation in the system Check the circulating pump Air in the system Vent the system The air pressure transducer does Incorrect air pressure transducer wiring the wiring not receive a sufficient minimum value WIG 25 seconds Flue not correctly sized or obstructed Check the length of flue and that it is clean Check the gas pressure Check the pressures Low pressure in the gas system A06 No flame after the ignition stage FE Burner minimum pressure setting Sensor damaged Delivery sensor 1 fault Wiring
30. er is turned off the electronic board is still powered Domestic hot water and heating operation are disabled The antifreeze system remains activated To re light the boiler press the button see item 7 on the control panel display again for 5 seconds Boiler will be immediately ready to operate whenever domestic hot water is drawn or room thermostat demand Summer Winter Switchover Press the button for 2 seconds Display will activate Summer symbol see item 10 on the control panel display Boiler will deliver tap water only Antifreeze system stays on To turn off Summer mode press button again for 2 seconds Heating temperature setting Use heating buttons see items 3 and 4 on the control panel display to change the temperature from minimum of 86 F 30C to a maximum of 185 F 85C it is advisable to not operate boiler below 113 F 45C Domestic hot water temperature adjustment Operate DHW buttons see items 1 and 2 on the control panel display to vary the temperature from a minimum of 50 F 40C to a maximum of 1499F 55C 28 10 OPERATING INSTRUCTIONS ECO COMFORT selection The unit has a function that ensures a high domestic hot water delivery speed and maximum comfort for the user When the device is activated COMFORT mode the water contained in the boiler remains hot ensuring faster availability of domestic hot water The device can be deactivated by the user ECO mode by pressing t
31. es of the building Turn on clothes dryers and any appliance not connected to the common venting system Turn on any exhaust fans such as range hoods and bathroom exhausts so they will operate at maximum speed Do not operate a summer exhaust fan Close fireplace dampers 5 Place in operation the appliance being inspected Follow the lighting instructions Adjust thermostat so appliance will operate continuously 6 Test for spillage at the draft hood relief opening after 5 minutes of main burner operation Use flame of a match or candle or smoke from a cigarette cigar or pipe 16 7 9 After it has been determined that each appliance remaining connected to the common venting system properly vents when tested as outlined above return doors windows exhaust fans fireplace dampers and any other gas burning appliance to their previous conditions of use Any improper operation of the common venting system should be corrected so the installation conforms with the National Fuel gas Code ANSI Z223 1 NFPA 54 and or the Natural Gas and Propane Installation Code CAN CSA B149 1 When re sizing any portion of the common venting system the common venting system should be re sized to approach the minimum size determined using the appropriate tables in Chapter 13 of the National Fuel Gas Code ANSI Z223 1 NFPA 54 and or the Natural Gas and Propane Installation Code CAN CSA B149 1 It is recommended that existing gas vents
32. ft3 x Total Input Mbh o Known Air Infiltration Rate See Table 3 for space with boiler only Use equation for multiple appliances Do not use an air infiltration rate ACH greater than 0 60 Volume 2 15 ft3 ACH x Total Input Mbh Refer to National Fuel Gas Code for opening requirements between connection indoor spaces All Outdoor Air Provide permanent opening s communicating directly or by ducts with outdoors o Two Permanent Opening Method Provide opening commencing within 12 inches of top and second opening commencing within 12 inches of bottom enclosure Direct communication with outdoors or communicating through vertical ducts Provide minimum free area of 1 in 2 per 4 Mbh of total input rating of all appliances in enclosure Communicating through horizontal ducts Provide minimum free area of 1 in2 per 2 Mbh of total input rating of all appliances in enclosure 9 One Permanent Opening Method Provide opening commencing within 12 inches of top of enclosure Provide minimum clearance of 1 inch on sides and back and 6 inches on front of boiler does not supersede clearance to combustible materials o Combination Indoor and Outdoor Air Refer to National Fuel Gas Code for additional requirements for louvers grilles screens and air ducts Combination Indoor and Outdoor Air Refer toNational Fuel Gas Code for application information National Gas and Propane Installation Code Requires providing air supply in
33. ge Air NOTICE To maintain boiler efficiency and prevent boiling Asphyxiation hazard Carbon monoxide is odorless tasteless clear colorless gas which is highly toxic Carbon monoxide production shall not exceed 400ppm Failure to follow these instructions could result in death or serious injury inside the heat exchanger flush entire heating system until clean Flush heating system including all heating zones Fill boiler with potable water Fill boiler and system piping with water or antifreeze water solution if used See antifreeze information Section 5 3 page 11 Purge air from Asphyxiation hazard Verify cap is firmly placed on boiler using air vent Purge air from system piping combustion analyzer port to prevent CO emission e Inspect system piping and boiler connections Failure to do so could result in death or serious Repair any leaks immediately injury Activate all heating zones and calls for heat including CH calls and DHW calls if available e Close manual gas shut off valve Let system run for 30 minutes When boiler goes into lockout reset boiler by pressing Reset button until boiler resets Connect pressure gauge to pressure point B downstream Do not open gas shutoff valve until all air is purged of the gas valve 9 3 Burner Pressure Adjustment Unit has flame modulation with two fixed pressure values minimum and maximum See Sec 12 page 34 from system 1 Remove protection c
34. he appliance will not operate follow instructions TO TURN OFF GAS TO APPLIANCE and call your service technician or gas supplier Figure 20 Gas Shutoff Valve Closed Position CLOSED 26 10 OPERATING INSTRUCTIONS 10 3 Checks During Operation 10 5 Indicator During Operation e Check for leaks in piping systems Correct immediately 1 if found Heating e Check the efficiency of the flue gases and combustion Call for heat generated by Room Thermostat is indicated air ducts while the boiler is working by hot air flashing above radiator symbol on the control Check water is circulating between boiler and systems Verify the gas valve modulates correctly in both heating and hot water production phases Check proper ignition of the boiler by turning it on and off with the room thermostat Verify with no call for heating burner correctly ignites on opening hot water tap Check that during heating operation on opening hot water tap heating circulator stops and there is regular production of hot water Check parameters are programmed correctly and perform any required customization compensation curve power temperatures etc Hot water Call for hot water generated by drawing off hot tap water is indicated by hot water flashing under the tap on the control 10 4 Control Panel a 8 10 6 Turning and off NO electrical power to the boiler i 1
35. he eco comfort button see item 7 on the control panel display To activate the COMFORT mode press the eco comfort button see item 7 on the control panel display again Outdoor temperature e When the optional external probe is installed the boiler control system operates with Sliding Temperature In this mode the temperature of the heating system is controlled according to the outside weather conditions in order to ensure high comfort and energy saving throughout the year As the outside temperature increases the system delivery temperature decreases according to a specific compensation curve With Outdoor Temperature adjustment the temperature set with the heating buttons see items 3 and 4 on the control panel display becomes the maximum system delivery temperature It is advisable to set the maximum value to allow system adjustment throughout its useful working range The boiler must be adjusted at the time of installation by qualified personnel Adjustments can in any case be made by the user to improve comfort 29 10 OPERATING INSTRUCTIONS Compensation curve and curve offset Press the button see item 6 on the control panel display for 5 seconds once to display the actual compensation curve which can be modified with the DHW buttons see items 1 and 2 on the control panel display Adjust the required curve from 1 to 10 according to the characteristic By setting the curve to O sliding temperature adjustmen
36. le for liquefied petroleum gas e Provide sediment trap up stream of gas valve e nstall manual main shutoff valve outside of jacket See figure 16 7 2 Conversion To LP Refer to Gas Conversion Kit Instructions DANGER Fire Hazard Do not use matches candles open flames or other methods providing ignition source Failure to comply will result in death or serious injury 7 3 Leak Check Gas Piping Pressure test boiler and gas connection before placing boiler in operation e Pressure test over 1 2 psig 3 5 kPa Disconnect boiler and its individual gas shutoff valve from gas supply system e Pressure test at 1 2 psig 3 5 kPa or less Isolate boiler from gas supply system by closing manual gas shutoff valve See figure 16 e Locate leakage using gas detector noncorrosive detection fluid or other leak detection method acceptable to authority having jurisdiction Do not use matches candles open flames or other methods that can provide ignition source e Correct leaks immediately and retest Figure 15 Manual Main Gas Shutoff Valve Outside Boiler Jacket With Manufacturer Suggested Piping With Drip Leg Gas Connection Nipple 3A x 3 Tee 34 NPT gt 1 34 Gas Nipple Shutoff Nipple 3A X ES A 3A x 3 Valve in ON 3 NPT NPT Postion 3A Pipe Manufacturer suggested gas piping with drip leg Table 5 Gas Supply Pressure Gas Supply Pressure Min Max 3 5 14
37. nce with instructions furnished with vent Maintain clearances as specifi ed for vent pipe e Verify vent pipe is fire stopped where it goes through floor or ceiling It should have approved vent cap with clearances from roof If clearances are less than shown have vent checked by local authorities Figure 12 Page 20 e Vent connectors serving appliances vented by natural draft shall not be connected into any portion of mechanical draft systems operating under positive pressure 6 3 Removing Existing Boiler From Common Venting System When an existing boiler is removed from a common venting system common venting system is likely to be too large for proper venting of the appliances remaining connected to it 1 Atthe time of removal of an existing boiler the following steps shall be followed with each appliance remaining connected to the common venting system placed in operation while the other appliance remaining connected to the common venting system are not in operation 2 Seal any unused openings in the common venting system 3 Visually inspect the venting system for proper size and horizontal pitch and determine there is no blockage or restriction leakage corrosion and other deficiencies which could cause an unsafe condition 4 Insofar as is practical close all building doors and windows and all doors between the space in which the appliances remaining connected to the common venting system are located and other spac
38. psi If the system pressure falls to values below minimum the boiler control will activate fault F37 Low system pressure fault II DF b c Once the system pressure is restored the boiler will activate the 120 second air venting cycle indicated on the display by FH TEST mode heating power 100 Press heating buttons simultaneously for 5 seconds to turn on TEST mode The boiler will ignite at the maximum heating power set as described in the following paragraph On the display the heating and tap water symbols will blink alongside it will show the heating power and the ignition power respectively To turn off TEST mode repeat the sequence for turning it on 32 11 GENERAL MAINTENANCE AND CLEANING 11 2 Annual Shut Down Procedure e Follow instructions To Turn Off Gas To Appliance unless boiler is also used to supply domestic hot water See section 10 page 26 e Drain system completely if system does not have antifreeze when heating system is to remain out of service during freezing weather 11 1 Beginning of Each Heating Season e Check boiler area is free from combustible materials gasoline and other flammable vapors and liquids e Visually inspect combustion air and vent piping for proper operation Check for and remove any obstruction to flow of combustion air or vent gases Immediately repair or replace pipe showing deterioration or leakage Reassemble per instructions in
39. rn the gas shutoff 10 2 TO TURN OFF GAS TO APPLIANCE valve Never use tools If valve will not turn e Set thermostat to lowest setting by hand do not try to repair it call a qualified Turn OFF all electric power to appliance if service is service technician Force or attempted repair may to be performed result in fire or explosion e Turn gas shutoff valve handle CY to closed position e Do not use this appliance if any part has Handle should be perpendicular to gas pipe 10 1 OPERATING INSTRUCTIONS Stop Read Safety information above been under water Immediately call a qualified service technician to inspect appliance and to replace any part of control system and any gas control which has been under water Figure 19 Gas Shutoff Valve Open Position Set thermostat to lowest setting Turn OFF all electrical power to appliance This appliance is equipped with an ignition device which automatically lights the burner Do not try to light burner by hand Turn gas shutoff valve CY to closed position Handle should be perpendicular to gas pipe Wait 5 minutes for any gas to clear Smell for gas including near floor If you smell gas STOP Follow instructions on this page What To Do If You Smell Gas If you do not smell gas go to next step Turn gas shutoff valve to open position Handle 177 should be parallel to gas pipe Turn ON electrical power to appliance Set thermostat to desired setting If t
40. s per square inch gauge 43 5 psig 30MPa in accordance with ASME Boiler and Pressure Vessel Code Section IV Rules for Construction of Heating Boilers e USA Input rates are derated 4 for each 1000 ft 300m above sea level beyond 2000 ft 600m e CANADA Ratings in table 13 used for elevations up to 2000 ft 600m above sea level For elevations between 2000 ft 600m and 4500 ft 1350m derate 1096 using high altitude kit Contact Provincial authority having jurisdiction for installations above 4500 feet 1350 m above sea level 35 12 RATINGS AND CAPACITIES Diagrams kW A LPG B NATURAL GAS A Boiler losses of head 1 2 3 Circulator speed M AADA DS Pump Head feet w c 1 1 1 1 14 1 1 1 012 zz 4 0 5 0 6 0 7 0 Water Flow GPM 36 13 TROUBLE SHOOTING Diagnostics The boiler is equipped with an advanced self diagnosis system In case of a boiler fault the display will flash indicating the fault code There are faults that cause permanent shutdown marked with the letter A to restore operation just press the RESET button detail 6 Section 10 4 Control page 25 for 1 second or RESET on the optional remote timer control if installed if the boiler fails to start it is necessary to first eliminate the fault Other faults marked with the lett
41. t is disabled Compensation curve 20 Press the heating buttons see items 3 and 4 the control panel display to access parallel curve offset modifiable with the DHW buttons see items 1 and 2 on the control panel display Parallel curve shift ZN 30 10 OPERATING INSTRUCTIONS Example of parallel compensation curve shift Press the button see item 6 on control panel display for 5 seconds again to exit parallel curve adjustment mode If the room temperature is lower lower than the required value it is advisable to set a higher order curve and vice versa Proceed by increasing or decreasing in steps of one and check the result in the room Compensation curves OTC CURVES 10 a l m VA N cn cC 2 222 zz ap 1 5 74 3 u 122 5 22 i 68 62 56 50 44 38 32 26 20 OUTSIDE AIR TEMPERATURE F Compensation curves OFFSET 104 AB e mak he co Maximum boiler flow temperature Maximum boiler flow temperature 68 50 32 14 4 68 50 32 14 4 Outside Air Temperature Outside Air Temperature 31 10 OPERATING INSTRUCTIONS Water system pressure adjustment The filling pressure with system cold read on the boiler water gauge must be approximately 11
42. t potable water Indirect heating is acceptable 1 2 The unit MUST NOT e Heat water with non hydronic heating system chemicals present example swimming pool water e Exceed 185 F 85 system design temperature e Exceed MWAP 43 5 PSIG 1 3 Operational Features e Modulating 3 1 turn down e ntegral Dual Limit Information and specifications outlined in this manual in effect at the time of printing of this manual ECR International Inc reserves the right to discontinue change specifications or system design at any time without notice and without incurring any obligation whatsoever 2 IMPORTANT SAFETY INFORMATION 2 1 General Boiler installation shall be completed by qualified agency See glossary for additional information Fire explosion asphyxiation and electrical shock hazard Improper installation could result in death or serious injury Read this manual and understand all requirements before beginning installation 2 2 Become familiar with symbols identifying potential hazards A This is the safety alert symbol Symbol alerts you to potential personal injury hazards Obey all safety messages following this symbol to avoid possible injury or death A DANGER Indicates a hazardous situation which if not avoided WILL result in death or serious injury Indicates a hazardous situation which if not avoided could result in death or serious injury Indicates a hazardous situation which if
43. termination Do not connect other appliances to this vent 2 Vent Pipe Material UL Listed AL294C Stainless Steel vent pipe and fittings 3 Clearance to Combustible Materials For stainless steel vent pipe maintain 6 minimum air space clearance to combustible materials 4 Vent Pipe Size 3 vent pipe connected directly to the outlet of the induced draft blower 5 Vent Pipe Length A For stainless steel vent pipe the maximum horizontal vent length is 65 equivalent feet B Minimum horizontal vent length is 5 equivalent feet C For 3 90 elbows 5 equivalent feet of vent length 6 Vent Termination Fitting For all vent pipe materials you may use either A 90 elbow pointing down fitted with a minimum 1 4 mesh screen to keep out rodents and birds The elbow shall be of the same material and size as vent pipe The elbow exit should be at least 6 away from exterior wall Concentric side wall vent hood 7 Vent Pipe Termination Location A When venting through combustible walls combustible clearances must be considered ECR vent termination 5612601 is a certified direct vent termination for Catagory III venting providing both the outside vent termination and a double wall pipe for passing through a combustible wall up to 10 thick Vent terminations by other manufacturers may also be used as long as they are certified for catagory III venting B Ifthe 90 elbow is the termination fitting
44. ystem shall not terminate underneath any deck patio or similar structure e Put vent on a wall away from the prevailing winter wind Locate or guard the vent to prevent accidental contact with people or pets e Terminate the vent above normal snow line Avoid locations where snow may drift and block the vent Ice or snow may cause the boiler to shut down if the vent becomes obstructed e Under certain conditions flue gas will condense forming moisture In such cases steps should be taken to prevent building materials at the vent terminal from being damaged by exhaust of flue gas United States Terminate vent system at least 4 feet 1 22m horizontally from and in no case above or below unless a 4 feet 1 22m horizontal distance is maintained from electric meters gas meters regulators and relief equipment Canada Terminate vent system at least 6 feet 1 83 m horizontally from and in no case above or below unless a 6 feet 1 83m horizontal distance is maintained from electric meters gas meters regulators and relief equipment Joining and Sealing the Vent Pipe The vent pipe needs to be both watertight and gas tight Seal all joints and seams following vent pipe manufacture s installation instructions Support Spacing Do not restrict thermal expansion movement of the vent The vent pipe must expand and contract freely with temperature change Each run of vent piping shall be supported following vent pipe manuf
Download Pdf Manuals
Related Search