ACV CC105s Installation & Maintenance Manual Download

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Installation & Maintenance Manual

CHALLENGER

SOLO

CC50s, CC85s, CC105s, CC125s, CC125Hs, CC150s

If the information in this manual is not followed exactly, a fire or explosion may re-
sult causing property damage, personal injury, or death.

FOR YOUR SAFETY

Do not store or use gasoline or other flammable vapors and liquids in the vicinity of

•

this or any other appliance.

WHAT TO DO IF YOU SMELL GAS

•

Do not try to light any appliance

•

Do not touch any electrical switch; do not use any phone in your building.

•

Immediately call your gas supplier from a neighbor’s phone. Follow the gas

•

supplier’s instructions.

If you cannot reach your gas supplier, call the fire department.

•

Installation and service must be performed by a qualified installer, service agency or

•

the gas supplier.

WARNING

Date: 5/15/2017

2016-21 Challenger Solo Manual

Summary of Contents for CC105s

Page 1: ...iquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qu...

Page 2: ...allations Only 7 Section IV Appliance Preparations 8 4 1 Shipping Handling Instructions 8 4 2 Wall Mounting Installation 8 4 3 Wall Mounting Guidelines 8 4 4 Stud Wall Installation 9 4 5 Solid Wall Installation 9 4 6 Appliance Mounting 9 4 7 Piping Support Bracket 9 Section V Boiler Piping 10 5 1 General Piping Requirements 10 5 2 Pressure Relief Valve PRV 10 5 3 Low Water Cut Off CH Pressure Sens...

Page 3: ...g 21 9 9 Outdoor Temperature Sensor Wiring 21 9 10 SMART COMFORTAquastat Wiring 21 Section X Startup Preparation 24 10 1 Check Boiler System Water Chemistry 24 10 2 Flush Boiler System to Remove Sediment 24 10 3 Use of Antifreeze in the Boiler System 24 10 4 Filling the Boiler System 24 10 5 Check Low Water Cut Off 25 10 6 Check for Gas Leaks 25 10 7 Check Thermostat Circuit 25 10 8 Inspect Conden...

Page 4: ... 16 7 Check Ventilation Air Openings 39 16 8 Inspect Vent and Combustion Air Piping 39 16 9 Check Boiler System 40 16 10 Removing Internal Flue and Condensate Pan for Inspection 40 16 11 Check Expansion Tank 40 16 12 Check Relief Valve 40 16 13 Inspection of Igniter 40 16 14 Check Ignition Wiring and Ground Wiring 40 16 15 Check Control Wiring 43 16 16 Check Control Settings 43 16 17 Perform Start...

Page 5: ...I Product Specifications 52 18 1 Dimensions Connections 52 18 2 CC50s CC85s Pressure Loss Curves 53 18 3 CC105s Pressure Loss Curves 54 18 4 CC125s CC125Hs CC150s Pressure Loss Curves 55 18 5 Performance Ratings 56 Section XIX Notes 57 ...

Page 6: ...afety Information WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire de partment Installation and service must be performed by a qualified installer service agency or...

Page 7: ... monoxide detectors and alarms ACV Triangle Tube s recommendation is to follow the requirements of the Commonwealth of Massachu setts in Section 3 5 Protection must be taken against excessive pressure TO PROTECT AGAINST EXCESSIVE TEMPERATURE AND PRES SURE Check if the 30 psi 2 bar pressure relief valve sup plied is installed in the recommended location To avoid injury install the relief devices to...

Page 8: ...same pressure zone outside with a minimum amount of length and bends Ensure the area chosen for the installation of the CHALLENGER is free of any combustible materials gasoline or other flammable liquids NOTICE Failure to remove or maintain the area free of com bustible materials gasoline or other flammable liquids or vapors can result in substantial property damage serious injury or death Ensure ...

Page 9: ...I Z223 1 must be taken Mount the appliance a minimum 18 inches 458 mm above the floor level of the garage Ensure the burner and ignition devices controls are no less than 18 inches 458 mm above the floor level Locate or protect the appliance in a manner so it cannot be damaged by a moving vehicle NOTICE WARNING WARNING 2 6 Boiler Freeze Protection Feature The boiler control has a freeze protection...

Page 10: ...g products and other similar products Areas likely to contain these products Dry cleaning laundry areas and establishments Beauty salons Metal fabrication shops Swimming pools and health spas Refrigeration repair shops Photo processing plants Auto body shops Plastic manufacturing plants Furniture refinishing areas and establishments New building construction Remodeling areas Garages with workshops...

Page 11: ...leakage corrosion or other deficiencies which could cause an unsafe condition NOTICE NOTICE DANGER BEST PRACTICE 6 3 Combustion Air Venting Insofar as is practical close all exterior building doors and 3 windows and all doors between the space in which the appliances remaining connected to the common venting system are located and other spaces of the building Turn on clothes dryers and any applian...

Page 12: ...t the completion of the installation Ametal or plastic identification plate shall be mounted on the 4 exterior of the building four feet directly above the location of the vent terminal The plate shall be of sufficient size to be easily read from a distance of eight feet away and read Gas Vent Directly Below Installer must provide tag identification plate and ensure the lettering meets code requir...

Page 13: ... or death 4 3 Wall Mounting Guidelines The wall mounting bracket is designed for stud spacing of 12 1 inch 30 5 cm or 16 inch 40 6 cm on centers For unconventional stud spacing a solid secure mounting surface must be provided for installation of the bracket For applications using wood studs install the bracket using the 2 lag screws provided with the appliance see Fig 2 Ensure both lag screws are ...

Page 14: ...Level bracket and tighten bolts securely 7 4 6 Appliance Mounting Obtain assistance in lifting the appliance onto the wall bracket 1 Install the appliance making sure the appliance mounting lip 2 located along the upper edge of the rear jacket panel engages the wall mounting bracket Ensure the appliance is seated properly and is secure 4 7 Piping Support Bracket Appliance must be installed using t...

Page 15: ... valve Failure to comply with the guidelines on installing the pressure relief valve and discharge piping can result in substantial property damage serious injury or death WARNING WARNING 5 3 Low Water Cut Off CH Pressure Sensor The CHALLENGER is equipped with a factory installed pressure 1 sensor type LowWater Cut Off LWCO The minimum operating Central Heating CH system pressure 2 is 7 psig 0 5 b...

Page 16: ...ain Valve Installation Drain Valve by Others 1 inch Compression Assembly supplied 1 inch Compression Assembly supplied 1 inch Tee by Others 1 inch Tee supplied Temperature Pressure Gauge supplied Piping Bracket supplied Retaining Clip supplied Compression Ferrule Compression Nut Compression NPT Adapter Manual Air Vent supplied 3 4 Tee supplied 3 4 Nipple supplied 3 4 Street Elbow supplied Installe...

Page 17: ... 55 for pressure drop and minimum flow rate required through the boiler 5 9 Sizing Primary Piping See Fig 7 and 8 on page 14 for recommended piping arrangements based on various applications Size the piping and system components required in the space heating system using recognized design methods CAUTION CAUTION 5 10 System Piping Zone Circulators Connect the CHALLENGER to the system piping as sho...

Page 18: ... 10 CH Circulator with Flow Check 11 Refer to the installation manual provided with the SMART COMFORT for additional installation details See Setting theAppliance Parameters Section 11 9 for parameter wiring and operational details using the SMART COMFORTwith a CHALLENGER boiler 5 14 System Piping Special Application If the boiler is used in conjunction with a chilled water medium system the boile...

Page 19: ...CHALLENGER Boiler 1 Boiler Circulator with Flow Check 2 Flow Check Valve 3 Isolation Valve 4 Zone Circulator 5 Drain Purge Valve 6 Pressure Relief Valve 7 Air Separator 8 Automatic Air Vent 9 Diaphragm Expansion Tank 10 Automatic Fill Valve 11 DHW Circulator with Flow Check 12 CHALLENGER Boiler 1 Boiler Circulator with Flow Check 2 Isolation Valve 3 Zone Valve 4 Drain Purge Valve 5 Pressure Relief...

Page 20: ...7 for appropriate part numbers Using the standard condensate trap 4 75 120 mm long on these models is prohibited and can result in substantial property damage serious injury or death Remove front door and install trap Ensure the trap is 2 completely seated and secure on the appliance Connect 13 16 ID tubing to the drain barbed fitting on the trap 3 assembly The drain line materials must be an appr...

Page 21: ...e pipe joint compound compatible with natural and propane 7 gases Apply sparingly only to the male threads of pipe joints so that pipe dope does not block gas flow The gas supply piping must be installed in accordance to all applicable local state and national codes in addi tion to all utility requirements NOTICE Do not check for gas leaks with an open flame Use a gas detection device or bubble te...

Page 22: ...e regulator for 13 w c 32 mbar 7 2 3 Orifice Requirements Refer toTable 2 for orifice required for appliance operation using natural gas All units come set up for natural gas installation with the appropriate orifice pre installed DO NOT adjust or attempt to measure gas valve outlet pressure The gas valve is factory set for the correct outlet pressure This setting is suitable for natural and propa...

Page 23: ...struc tions packet This kit includes all the necessary parts and instruction to perform the conversion from natural gas to propane gas If this conversion kit is missing please contact ACV Triangle Tube Technical Support for missing kit before installing unit WARNING Prior to start up ensure the appliance is set to fire propane Check the rating label for the type of fuel Check the gas valve for pro...

Page 24: ... the Canadian Electrical Code Part 1 CSAC22 1 ELECTRICAL SHOCK HAZARD For your safety disconnect electrical power supply to the appliance before servicing or making any electrical connections to avoid possible electric shock hazard Failure to do so can result in substantial property dam age serious injury or death WARNING Prior to servicing label all wires before disconnecting Wiring errors can ca...

Page 25: ... on page 14 reference Fig 14 on page 21 Installer to provide a Transformer Relay such as Honeywell R8285 or equivalent and Zone Valves with isolated end switch such as HoneywellV8043 or equivalent 9 7 Low Voltage Connections Open the display cover and unscrew both screws to remove the 1 front cover see Fig 13 Pull the control display forward until it tips downwards to 2 provide access to the low v...

Page 26: ...or reset function requires the connection of the included outdoor temperature sensor See SectionXII for outdoor temperature sensor installation and wiring instructions 9 10 SMART COMFORTAquastat Wiring Wire SMART COMFORTaquastat to the control module low voltage terminal strip as shown in Fig 12 on page 19 24 V Transformer by Others Honeywell V8043 Zone Valves or Equivalent Honeywell R8285B1038 Tr...

Page 27: ...ne Valve 7 8 Fig 15 Multiple Zone Field Wiring Using Zone Valves To Challenger Low Voltage Terminal Strip H N High Voltage 120 V A C 24 V A C Room Thermostat Room Thermostat Zone 1 Zone 2 Additional zones Additional zones may be added as shown above Transformer Power 3 Wire Zone Valve 3 Wire Zone Valve Isolation relay 7 8 Use isolation relay on 3 wire zone valve with non isolated end switch Contro...

Page 28: ...nal zones may be added as shown above 7 8 6 2 1 4 3 5 6 2 1 4 3 5 T T T T Fig 16 Field Wiring with Zone Circulators Thermostat Zone 1 Zone 1 Circulator 120 VAC N To Challenger Low Voltage Terminal Strip Zone 2 Circulator Zone 3 Circulator Thermostat Zone 2 Thermostat Zone 3 R C T1 T1 T2 T2 T3 T3 C3 C3 C2 C2 C1 C1 PR PR X2 X1 L1 L2 ZC H 7 8 Fig 17 Typical Zone Relay Panel Wiring ...

Page 29: ...flush the boiler system to remove any sediment to allow proper operation of the CHALLENGER Flush the system until the water runs clean and is free of sediment For zoned systems each zone should be flushed through a purge valve Purge valves and isolation valves should be installed on each zone to allow proper flushing of the system 10 3 Use of Antifreeze in the Boiler System Determine the antifreez...

Page 30: ...mbly Inspect and ensure the Condensate DrainAssembly is properly 1 installed as described in Section 6 2 and shown in Fig 9 on page 15 Remove the Condensate DrainAssembly and fill with fresh 2 water Reinstall the Condensate DrainAssembly 3 Prior to startup and during initial operation smell near the floor and around the appliance for gas odorant or any unusual odor Do not proceed with the startup ...

Page 31: ...3 mbar and less than 13 w c 32 mbar with all gas appliances ON or OFF Are the room thermostats set above room temperature 6 If none of these conditions correct the problem contactACV Triangle TubeTechnical Support 11 4 Check the CHALLENGER and System Check Piping 1 Check heating system for leaks If found shut down a the appliance and repair immediately Purge any remaining air from the system Air i...

Page 32: ...ge serious injury or death WARNING Combustion Levels Natural Gas Propane Gas High Fire DOOR OFF CO2 Range 9 10 1 10 5 11 1 CO2 Target 9 0 10 8 O2 Range 3 0 5 4 1 5 O2 Target 5 0 4 5 Low Fire CO2 Range 0 0 4 H F 9 0 min 0 0 4 H F 10 5 min O2 Range 0 0 6 H F 5 0 max 0 0 6 H F 5 0 max CO Max 100 ppm 150 ppm Door On can raise the maximum allowable CO2 by 0 4 or lower the minimum allowable O2 by 0 6 11...

Page 33: ...ight the burner by hand Set room thermostat s to lowest setting Turn the external 2 manual gas valve handle clockwise CLOSE valve handle shall be perpendicular to gas piping Turn OFF all electrical power to the appliance 3 Remove the front jacket panel on the appliance 4 Turn the external manual gas valve handle counter clockwise 5 to OPEN gas supply valve handle shall be parallel to gas piping Wa...

Page 34: ...rify the operation of the appliance by repeating the 7 operational sequence several times Return the room thermostat to the desired setting 8 The CH circulator automatically runs for 10 seconds once every 24 hours to prevent seizing Timing for this automatic exercising starts after the last call for heat NOTICE 11 8 Control Display 11 8 1 Appliance ON OFF Turn appliance ON OFFusing the ON OFFbutto...

Page 35: ...lowed by a P in the main display Pressure can only be read when the operating display is blank or shows a A If factory installed CH Low Water Cut Off LWCO is below 7 psig 0 5 bar the main display will flash a soft lockout of LOP burner and CH primary pump is blocked followed by the pressure reading Once CH system pressure is increased above 7 psig 0 5 bar normal boiler operation will be restored C...

Page 36: ...nge 60 F to 140 F 16ºC to 60ºC CH Reset Curve Coldest Day 0ºF 18ºC Adjustment range 22 F to 50 F 30ºC to 10ºC CH Reset Curve Warmest Day 64 ºF 18ºC Adjustment range 60 F to 78 F 16ºC to 26ºC CH post pump 1 Adjustment range 0 to 15 minutes Not applicable 0 Adjustment range 0 to 15 minutes CH Anti cycle time The CH anti cycle time starts when the burner shuts down during a CH call due to boiler wate...

Page 37: ...ppliance freeze protection feature is disabled dur ing a Hard Lockout however the CH circulator will oper ate CAUTION During a hard lockout or low water condition the appli ance will not re start without service If the heating system is left unattended in cold weather appropriate safeguards or alarms should be installed to prevent property damage CAUTION Table 6 Sensor Resistance Temperature F Tem...

Page 38: ...ck for wiring error Supply sensor and return sensor swapped Check for proper flow direction Replace supply and or return sensors No flame signal Manual gas shut off valve closed Remove air from gas pipe Gas supply pressure too low Gas valve or ignition unit not powered Incorrect ignition gap Check adjustment of gas valve Poor flame signal Condensate drain blocked Check adjustment of gas valve Flam...

Page 39: ... sensor terminals 9 and 3 10 of the low voltageX4 connector located on the control see appliance wiring diagram Fig 12 on page 19 12 3 Adjusting Outdoor Reset Curve The appliance CH set point along with Parameters 5 6 and 7 define the settings of the outdoor reset curve See Graph 1 andTable 7 on page 35 for an example of modifying the outdoor reset curve 12 3 1 CH Maximum Boiler Temperature If an ...

Page 40: ...in display begins to flash Press the button repeatedly to scroll through the list of 2 parameters The operating display will show the parameter number and the main display will show the parameter setting To modify a parameter press the or buttons 3 Press the reset button to close the parameter menu and 4 store the changes The appliance control module has now been reprogrammed with the desired outd...

Page 41: ...pliances and a maximum pressure of 13 w c 32 mbar during non flow conditions for Natural and Propane gas c Adjusted balancing valves and system limit controls to provide design temperatures to the space heating system c In multiple zone applications adjusted for correct flow of water to each zone c Checked and verified room thermostat s function properly and the thermostat s heat anticipator if us...

Page 42: ...mpleted Check out procedures have been followed and completed Information regarding the unit and installation received and left with owner maintenance personnel Installer Information Company Address Address Phone Number Btu hr ____________________________________________________________________ ____________________________________________________________________ ___________________________________...

Page 43: ... 11 15 1 2 Poor Combustion or Performance Clean heat exchanger and flue ways 1 Remove burner assembly and clean inside of burner head using 2 compressed air only Once the maintenance items are completed review the service with the owner 15 2 Owner Maintenance 15 2 1 Periodic Check the area around the appliance 1 Check and remove any blockage from the combustion air inlet 2 and ventilation openings...

Page 44: ...be damaged resulting in unreli able or unsafe operation WARNING 16 5 Check System Piping Inspect all piping water and gas for leaks and verify that the piping is leak free and properly supported Inspect the fittings and components on the appliance and verify they are leak free 16 6 Clean Condensate Drain Assembly Remove the condensate assembly from the appliance 1 Empty any water from the trap and...

Page 45: ...ts are complete tight and secure Failure to complycan result in flue gas leakage resulting in substan tial propertydamage serious injury or death WARNING Ensure no automatic air vents are used in the system This will 3 allow air to escape from the system instead of returning to the tank DiaphragmTank Ensure the system contains a minimum of one automatic air 1 vent Recommended location of the air v...

Page 46: ...41 16 Maintenance Procedures 1 2 3 1 2 3 Fig 19 Loosening of Flue Pipe Retaining Ring Fig 20 Removal of Flue Pipe Fig 21 Removal of Condensate Pan ...

Page 47: ...42 16 Maintenance Procedures 0 12 3 mm 0 12 3 mm 0 43 11 mm Spark gap app 0 18 1 06 1 12 27 mm 29 mm 5 mm 1 75 44 mm 1 18 30 mm 45º Fig 22 Igniter Dimensions ...

Page 48: ...ove the 7 burner head Inspect the burner head for deterioration Use compressed air or a vacuum to clean the burner head Replace burner head if necessary Replace burner head gasket Re assemble the burner head and burner head gasket Ensure 8 mounting screws are tight Remove the blower 9 Use a vacuum cleaner or compressed air to clean the interior 10 of the blower and venturi assembly Inspect the blo...

Page 49: ...lushed return the 13 boiler and system piping back to operation Perform the required startup and checkout procedures as 14 outlined in SectionsX XI XIII 16 21 Review With Owner Ensure the owner understands the importance to perform the maintenance schedule specified in this manual Remind the owner of the importance to call a licensed contractor should the appliance or system exhibit any unusual be...

Page 50: ...arts to ensure warranty coverage and to avoid damage to appliance and im proper operation of appliance Contact ACV Triangle Tube at 856 228 8881 or www triangletube com for a list of distributors nearest you WARNING B Gas Valve J Pressure Relief Air Vent Connection Q Condensate Drain Trap Assembly C Control Display K Sight Glass R Heat Exchanger D CH Supply Sensor M Vent Air Adapter 80 125 Concent...

Page 51: ...mber CC50s CC85s Part Number CC105s Part Number CC125Hs Part Number CC125s CC150s Description 1 CCRKIT04 Wall Bracket Assembly Not Shown 2 CCRKIT05 Pipe Connectors Brackets Assembly Not Shown 2A CCFTG01 Connector Pipe CH Not Shown 1 Kit 3 CCRKIT06 CCRKIT07 CCRKIT08 Front Door Assembly ...

Page 52: ... Number CC125Hs Part Number CC150s Description 1 CCRKIT09 80 125 Concentric Vent Air Adapter Assembly Optional Shown CCRKIT35 3 Vent Air Adapter Assembly Standard Not shown 2 CCRKIT10 CCRKIT11 CCRKIT12 Vent Assembly 3 CCRKIT13 Condensate Collector Assembly 4 CCRKIT14 CCRKIT14A Condensate Trap Assembly 5 CCRKIT41 Condensate Collector Trap Gasket 6 CCRKIT36 Flue Sensor ...

Page 53: ...er CC125Hs Part Number CC125s CC150s Description 1 CCRKIT15 Igniter Assembly 2 CCCLB01 Ignition Cable 3 CCRKIT16 Sight Glass Assembly 4 CCRKIT17 CH Sensor Assembly 1 Kit 5 CCRKIT19 LWCO CH Pressure Sensor Assembly 6 CCRKIT20 CCRKIT21 CCRKIT22 CH Supply Pipe Assembly 7 CCRKIT23 CH Return Pipe Assembly 8 CCRKIT40 Igniter Bushings 2 Kit 9 CCRKIT42 LWCO Wiring Harness Not Shown ...

Page 54: ...mer Assembly 2 CCRKIT60 Gas Valve Assembly 3 CCRKIT30 CCRKIT31 Lower Gas Pipe Assembly 4 CCRKIT61 CCRKIT62 Upper Gas Pipe Assembly 5 CCRKIT32 Blower Assembly 6 CCRKIT52 N A Venturi 541 N A CCRKIT45 N A Venturi 406 N A CCRKIT63 N A Venturi 471 N A CCRKIT46 Venturi 362 7 N A CCRKIT 47 N A Blower Outlet Orifice 1 25 mm N A CCRKIT48 N A Blower Outlet Orifice 1 7 16 37 mm N A Not Applicable 17 5 Blower...

Page 55: ... 17 Replacement Parts 1 Fig 28 Burner Components 17 6 Burner Components Item Part Number CC50s CC85s Part Number CC105s Part Number CC125Hs Part Number CC125s CC150s Description 1 CCRKIT33 Burner Assembly ...

Page 56: ...50s Part Number CC85s CC105s CC125s Part Number CC125Hs Part Number CC150s Description 1 CCRKIT52 CCRKIT53 CCRKIT54 CCRKIT55 Control Display 2 CCCS01 Plastic Control Housing 3 CCRKIT34 Flip Panel 4 CCFUSE01 Fuse 1 Kit 5 CCRKIT43 Connector X4 24V 9 Pin Not Shown 6 CCRKIT44 Connector X2 120V 8 Pin Not Shown ...

Page 57: ...8 cm CH Supply Vent Air CH Return 28 35 72 cm Flexible 1 NPT 1 NPT 1 2 NPT C 80 125 ConcentricAdapter Challenger CC50s CC85s CondensateDrain Challenger CC105s Challenger CC125s CC125Hs 37 40 95 cm Challenger CC150s B 13 58 34 5 cm 80 125 Concentric Vent Air or 3 Vent 4 63 11 8 cm 3 Air 17 72 45 cm Optional Shown or 3 standard not shown A B C F H H H H Z Gas Fig 30 Dimensions Connections ...

Page 58: ...tors Graph 3 Pressure Loss Through Boiler Taco Circulators Minimum boiler flow rate required at full input CC50s 3 gpm 11 lpm CC85s 4 gpm 15 lpm Pump curves and system curves DO NOT include any allowance for near boiler piping NOTICE CC50s CC85s Primary Loop Circulators Grundfos CC50s CC85s Primary Loop Circulators Taco ...

Page 59: ...dfos Circulators Graph 5 Pressure Loss Through Boiler Taco Circulators Minimum boiler flow rate required at full input CC105s 5 gpm 19 lpm Pump curves and system curves DO NOT include any allowance for near boiler piping NOTICE CC105s Primary Loop Circulators Grundfos CC105s Primary Loop Circulators Taco ...

Page 60: ... 7 Pressure Loss Through Boiler Taco Circulators Minimum boiler flow rate required at full input CC125s CC125Hs 6 gpm 23 lpm CC150s 7 gpm 27 lpm Pump curves and system curves DO NOT include any allowance for near boiler piping NOTICE CC125s CC125Hs CC150s Primary Loop Circulators Grundfos CC125s CC125Hs CC150s Primary Loop Circulators Taco ...

Page 61: ...ic coil is removed from the heat exchanger along with all associated domestic components domestic piping domestic sensor flow sensor domestic wiring and labeling The combustion safety and efficiency performances are identical to the combination units The following efficiency performance is achieved when the CHALLENGER is operated as a boiler according to the ASHRAE 103 test procedure NOTICE 18 5 P...

Page 62: ...57 19 Notes Section XIX Notes ...

Page 63: ...58 19 Notes ...

Page 64: ...ve Tank in Tank design Stainless steel construction Self cleaning Self descaling heat exchanger SMART available in 7 sizes COMFORT available in 2 sizes SMART Limited LIFETIME residential warranty Limited 6 year commercial warranty COMFORT Limited 10 year warranty TTP Brazed Plate Heat Exchangers For domestic water snow melting radiant floor and more Plates made of stainless steel with 99 9 copper ...

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