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Trinity

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Installation and Operation Instructions

Tx Series

46

F

igure 10-5 Tx151C Primary-Secondary Plumbing (Combi)

(Single System Circulator Configuration)

Pressure Gauge

Primary Loop

(factory supplied)

Figure illustrates the basic

plumbing requirements for

a Tx151C (Combi) boiler installation with a single
Central Heating circulator. Refer to Figures 10-1(c)
and 10-1(d) for boiler fitting identification.

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Содержание Trinirt TX series

Страница 1: ...S LIST 75 HAZARD SYMBOLS AND DEFINITIONS Danger Sign Indicates a hazardous situation which if not avoided will result in serious injury or death Warning Sign Indicates a hazardous situation which if not avoided could result in serious injury or death Caution Sign plus Safety Alert Symbol Indicates a hazardous situation which if not avoided could result in minor or moderate injury Caution Sign with...

Страница 2: ...not try to light the burner by hand 4 Turn the manual gas valve to the OFF position Remove front access panel 5 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information above If you don t smell gas go to the next step 6 Turn the manual gas valve ON Wait an additional five 5 minutes smelling for gas 7 Replace the f...

Страница 3: ...RIDE MUST NOT BE USED UNLESS AT LEAST ONE OF THE FOLLOWING CONDITIONS IS TRUE An external energy management system is installed that reduces the boiler water temperature as the heating load decreases This boiler is not used for any space heating This boiler is part of a modular or multiple boiler system having a total input of 300 000 BTU hr or greater This boiler is equipped with a tankless coil ...

Страница 4: ...t comes with conversion instructions Liquefied Petroleum LP propane gas is heavier than air therefore it is imperative that your Trinity Tx boiler is not installed in a pit or similar location that will permit heavier than air gas to collect Local Codes may require boilers fueled with LP gas be provided with an approved means of removing unburned gases from the room Check your local codes for this...

Страница 5: ...gn shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS plate included with boiler 4 INSPECTION The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installation unless upon inspection the inspector observes carbon monoxide detectors and signage installed in accordance with...

Страница 6: ...ilure to follow these instructions may result in property damage or personal injury High Altitude Operation The Trinity is designed to operate at its maximum listed capacity in installations located at 0 2000ft above Sea Level Since the density of air decreases as elevation increases maximum specified capacity should be de rated for elevations above 2000 ft 610 m in accordance with Table 2 2 Table...

Страница 7: ... 1 must be provided Closet Installations For closet installations it is necessary to provide two ventilation air openings as shown in Figure 3 1 each providing a minimum area equal to 1 in2 per 1000 Btu hr but not less than 100 in2 and within 6 of the top and bottom of the closet door See Table 3 1 for minimum clearances Alcove Installations Alcove installations have the same minimum clearances as...

Страница 8: ...ea meets the Recommended Clearances listed in Table 3 1 Bottom ventilation opening Max 6 above floor bottom Top ventilation opening Max 6 below ceiling top Sides 4 Front 6 if removable Removable surface closet door Ventilation air opening 1in 2 per 1000 Btu hr min 100in 2 Ventilation air opening 1in 2 per 1000 Btu hr min 100in 2 Min 1 clearance for hot water and vent pipes Bottom 9 Top 12 ...

Страница 9: ...with flange pointed upward and angled away from the wall Mount the appliance to the wall by aligning the two wall mount brackets Top Bracket A with the Bottom bracket B Slide the top bracket fastened to the boiler down over the wall mounted bracket until it hooks Once the appliance is resting securely on the wall attach the L shaped Bracket C to the underside of the appliance using the mounting ha...

Страница 10: ...ermining Opening Size and Location for accessing indoor combustion air shall be used when the air infiltration rate is adequate i e greater than 0 4 ACH air changes per hour and when the boiler area and communicating spaces have a minimum volume of 50 cubic ft per 1000 Btu hr If the air infiltration rate is known to be less that 0 4 ACH refer to the National Fuel Gas Code for further guidance 1 Co...

Страница 11: ...Outdoor Combustion Air Opening Size and Location described above c Outdoor Opening s Size The outdoor opening s size shall be calculated in accordance with the following i The ratio of interior spaces shall be the available volume of all communicating spaces divided by the required volume i e 50 cubic ft per 1000 Btu hr if 0 4 ACH or greater ii The outdoor size reduction factor shall be 1 minus th...

Страница 12: ...indoor air Flammable Solvents and Plastic Piping Due to the extremely flammable characteristics of most glues cements solvents and primers used in the process of joining plastic vent and air inlet pipe explosive solvent vapors must be evacuated from the vent and air inlet prior to start up Avoid using excess cement or primer that may lead to pooling inside the pipe assembly Freshly assembled pipin...

Страница 13: ...with an offset to reduce potential strain on vent piping and cemented joints See Figure 4 2 b Stainless Steel Piping The Trinity Tx has been tested and approved for use with DuraVent FasNSeal AL29 4C Stainless Steel Special Gas Vent Venting with FasNSeal will require DuraVent adapter part number 300715 contact DuraVent at 1 800 835 4429 or www duravent com Remove the lower gasket and toothed ring ...

Страница 14: ...local codes for acceptable pipe material Flue Outlet Adapter factory supplied PVC CPVC Exhaust Vent Swing Joint to attain slope in horizontal runs Air inlet Pipe Air Inlet Adapter factory supplied PVC CPVC beveled PPs Gasket Ring remove lower gasket ring not used w PVC PVC Gasket Ring retain upper gasket ring PPs Pipe beveled PPs Gasket Ring retain lower gasket ring Air inlet Adapter factory suppl...

Страница 15: ... Preparation SS Near Boiler Venting SS Flue Outlet Adapter factory supplied SS Exhaust Vent Pipe Swing Joint to attain slope in horizontal runs SS Air inlet Pipe SS Adapter Table 4 3 Air inlet Adapter factory supplied SS Adapter Table 4 3 PPs Gasket Ring remove lower gasket ring not used w PVC PVC Gasket Ring retain upper gasket ring ...

Страница 16: ...for low temperature applications High temperature applications requiring boiler supply water temperatures greater than 140o F 60o C must use ULC S636 CPVC PP or SS The use of cellular core PVC ASTM F891 cellular core CPVC or Radel polyphenolsulfone in the exhaust venting system is prohibited Failure to follow these instructions may result in property damage personal injury or death Covering non me...

Страница 17: ... 3 b 4 5 c PVC CPVC7 3 196985 NTI P N 84357 IPEX Concentric Wall Roof 5 6 7 2 196005 4 3 c 4 4 c 4 5 b 4 6 b 3 196116 NTI P N 82666 197009 DuraVent PolyPro Concentric Wall 2 2PPS HK 4 3 c 4 5 d PVC CPVC PPs 3 3PPS HK DuraVent PolyPro Concentric Roof 2 2PPS VK 4 4 c 4 6 c 3 3PPS VK Centrotherm InnoFlue Flush Mount 2 ISLPT0202 4 3 b 4 5 c 3 ISLPT0303 Centrotherm InnoFlue Concentric Wall 8 2 ICWS2413...

Страница 18: ...centric Termination Sidewall Exhaust must terminate a minimum of 18 above Air inlet termination see Figure 4 5 a for more details Exhaust Inlet 3 IPEX Low Profile Termination illustrated see Figure 4 5 c for more details Exhaust Inlet 3 DuraVent Concentric Termination illustrated see Figure 4 5 d for more details Exhaust Inlet 3 IPEX Concentric Termination illustrated see Figure 4 5 b for more det...

Страница 19: ...tric Termination Roof 3 DuraVent Concentric Termination illustrated see Figure 4 6 c for more details Exhaust Inlet Exhaust Inlet Exhaust must terminate a minimum of 18 above the Air inlet termination see Figure 4 6 a for more details 3 IPEX Concentric termination illustrated see Figure 4 6 b for more details Exhaust Inlet Exhaust Inlet Exhaust must terminate a minimum of 12 above snow level see F...

Страница 20: ...tly Below Keep Free of Obstructions Exhaust Air inlet Min 12 above grade or snow level Air inlet around perimeter 1 2 from wall Exhaust through center Vent Screen Vent pipe piece to retain vent screen Refer to documentation included with termination kit for complete installation instructions Refer to documentation included with termination kit for complete installation instructions Refer to docume...

Страница 21: ...n 36 Flashing Min 12 above grade or snow level Vent Screen Vent pipe piece to retain vent screen Exhaust center Air inlet around perimeter Flashing Refer to documentation included with termination kit for complete installation instructions Refer to documentation included with termination kit for complete installation instructions Min 12 above grade or snow level Flashing Exhaust Air inlet Figure i...

Страница 22: ...ler a minimum of per linear foot of vent 6 25 mm per linear 305 mm For applications where excessive condensation is possible per linear foot 13 mm per linear 305 mm is recommended 9 Vent Supports Where required Vent and Air inlet piping shall be secured to the wall for more rigidity All interior vent pipe shall be supported a minimum of every 36 915 mm 10 Roof Exhaust In all roof applications the ...

Страница 23: ... clearances are maintained 3 The pipe is supported every 24 610 mm 4 The exhaust and inlet are sloped back to the boiler elevation for every linear foot 13 mm for every linear 305 mm Figure 4 9 Existing Chimney Chase Way It is permissible to use an existing chimney as a chase way to run the Vent Air inlet piping as long as 1 The chimney is not being used by any other boiler 2 Flue gases don t ente...

Страница 24: ...acent 12 7 ft 2 13 m 7 ft 2 13 m R Above a sidewalk driveway or parking lot on public property X X X X S Above a sidewalk driveway on private property between serving both dwellings X X X X T Under a concrete veranda porch deck or balcony 7 24 in 610 mm 24 in 610 mm U Above under or near exterior stairs X X X X V Into a canopy or carport X X X X Notes 1 Canadian installations must comply with the ...

Страница 25: ...earances Figure 5 2 Sidewall Termination See Table 5 1 G Letter represents a specific Termination Position Refer to Table 5 1 for corresponding termination clearances Concentric Vent Termination Q Two Pipe Termination F Clearance Q Adjacent to Public Walkway or Driveway Minimum 7ft 2 13 m G Clearances F and G Canada Minimum 3 ft 915 mm The US Minimum 1 ft 305 mm ...

Страница 26: ...the common venting system 2 Visually inspect the venting system for proper size and horizontal pitch Verify that there is no blockage restriction leakage corrosion or other deficiencies which could cause an unsafe condition 3 Insofar as is practical close fireplace dampers all building doors and windows and all doors between the space in which the boilers remaining connected to the common venting ...

Страница 27: ...equired select a pump that is designed for residential furnaces Condensate Trap Installation Instructions see Figure 6 1 Note the Condensate Trap is factory supplied with the boiler and must be field installed 1 Attach Corrugated Outlet Tube Remove the Outlet Retaining Nut and Outlet Gasket and slide components onto the Corrugated Outlet Tube note orientation gasket should be positioned approximat...

Страница 28: ... firmly tightened Boiler Condensate Drain Outlet Gasket Ball float Inlet Gasket Outlet Corrugated Outlet Tube Outlet Retaining Nut Outlet Gasket Inlet Cleanout Cap Condensate Trap Corrugated Outlet Tube routed to household drain condensate pump or neutralizer no strain applied on tubing or condensate drain assembly ...

Страница 29: ...g does not interfere with the vent pipe or the removal of the valve burner and serviceable components The Boiler is installed such that the gas ignition system components are protected from water dripping spraying rain etc during installation and servicing The gas piping is large enough for all the gas appliances in the home No appreciable drop in line pressure should occur when any unit or combin...

Страница 30: ...serious injury or death Manual Gas Shutoff Valve Should overheating occur or the gas supply fail to shutoff close the Manual Gas Shutoff Valve to the boiler Union Flexible Gas Line Piping Recommended to eliminate strain on the boiler gas components only use if acceptable by local codes Drip Leg Rigid Gas Line Piping Use only rigid gas line piping within the boiler cabinet Rigid piping must protrud...

Страница 31: ...y electric 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 C Use only your hand to turn the gas shutoff valve Never use tools If the handle will not turn by hand don t try to repair it call a qualified service technician Force or attempted re...

Страница 32: ...ee Section 9 0 for details 4 Perform at least three ignitions in succession to ensure proper operation 5 After the three successive ignitions unplug the flame sensor and allow the unit to cycle again The flame safety system will allow the unit to go through 5 ignition cycles before going to Loc 1 Once you have confirmed this behavior reinstall the wire on the flame sensor press the reset button an...

Страница 33: ...s Installation and Operation Instructions Trinity 33 Turning Off the Boiler 1 Set the thermostat to the lowest setting and then turn off all power to the boiler 2 Turn the gas shutoff valve to the off position ...

Страница 34: ...of gas 7 Adjust the gas line pressure to ensure the parameters in Table 9 1 are attained under all conditions See NOTICE below If possible adjust the line pressure to the Nominal Desired value listed in Table 9 1 while the unit is operating at the maximum modulation rate see Table 9 2 8 Continue observing the gas line pressure until the completion of the combustion analyses in case adjustments nee...

Страница 35: ...See Figure 9 1 for Throttle screw location and Table 9 1 for appropriate CO2 levels Combustion Calibration To calibrate burner operation perform the following procedure using a calibrated combustion analyzer capable of measuring CO2 and CO from Natural and Propane Gas burning boilers 1 Operate the unit at the maximum modulation rate see Table 9 2 2 Ensure the gas line pressure is maintained within...

Страница 36: ...stallation and Operation Instructions Tx Series 36 Figure 9 1 Tx Gas Valve and Venturi Assembly Gas Valve Line Pressure Test Port DO NOT Adjust Throttle Input Adjustment Screw Manifold Pressure Test Port Venturi ...

Страница 37: ...ee Table 10 1 for a list of recommended boiler system cleaning and treatment products Failure to rid the heating system of the contaminants listed above will void your NTI warranty and may result in premature heat exchanger failure and property damage Table 10 1 Boiler System Cleansers and Corrosion Inhibitors Application Fernox Product NTI Part Description Boiler Water Treatment F1 Protector 8344...

Страница 38: ...nds against exceeding 35 concentration of glycol DO NOT use inhibited glycol with non compatible boiler inhibitors Non compatible inhibitors may counteract each other rendering them ineffective Near Boiler Plumbing Central Heating Pressure Relief Valve A Pressure Relief Valve is factory supplied with each unit Trinity Tx boilers have a maximum allowable operating pressure of 45PSI The pressure rel...

Страница 39: ...ting Identification Tx151C Combi CH Piping Outlet Inlet Pressure Relief Valve Pressure Gauge Brass Street Tee factory supplied 1x1x3 4 Brass Tee factory supplied 30psi Relief Valve factory supplied Boiler Inlet Boiler Outlet Primary Loop factory supplied Gasket factory supplied 30psi Relief Valve factory supplied Boiler Inlet Boiler Outlet DHW Outlet DHW Inlet Pressure Gauge factory supplied Outle...

Страница 40: ...x151C only Central Air Removal Devices i e Micro Bubbler or Air Scoop Pressure Regulating Fill Valve Backflow Preventer Expansion Tank Circulating Pumps Trinity Tx boilers are equipped with three 120VAC pump outputs 1 DHW Pump operates during a Domestic Hot Water demand DHW 2 CH Pump operates during a Central Heat demand CH 3 Boiler Pump operates during any demand Ensure pumps are oriented as per ...

Страница 41: ...S26 99 3 0011 E7 Tx101 35 5 2 8 2 1 NRF 22 UPS15 58 2 008 Astro 30 3 25 7 3 13 6 1 NRF 36 2 UPS26 99 2 0011 E7 20 9 1 19 8 1 NRF 36 3 UPS26 99 3 0011 E7 Tx151 35 7 7 11 2 1 NRF 25 3 UPS26 99 2 0011 Astro 50 3 25 10 8 18 4 1 1 4 NRF 36 3 UPS26 99 3 0011 E7 20 13 5 13 1 1 1 4 PL 36 UPS26 116 2400 20 E8 Notes 1 Pump sizing based on Primary Secondary plumbing configuration with specified minimum pipe ...

Страница 42: ...ty to the water fill and expansion tank Trinity Tx boilers are equipped with an automatic air vent to aid in purging of air from the boiler during the initial fill This air vent is not intended to be the primary air removal device in the system Expansion Tank The expansion tank must be sized in accordance with the water volume of the system as well as the firing rate of the appliance It is importa...

Страница 43: ...at demand the boiler energizes CH Pump During a Domestic Hot Water DHW demand the boiler de energizes CH Pump and energizes DHW Pump In this configuration both CH Pump and DHW Pump are responsible for water flow through the boiler and must be sized in accordance with Table 10 4 Figure 10 5 Single System Circulator Configuration Combi Used in applications zoned with Zone Valves During a demand for ...

Страница 44: ... Primary Secondary Plumbing non Combi Single System Circulator Configuration Figure illustrates the basic plumbing requirements for a Tx51 151 non Combi boiler installation with a single Central Heating circulator Refer to Figures 10 1 a and 10 1 b for boiler fitting identification ...

Страница 45: ...51 Primary Secondary Plumbing non Combi Multiple System Circulator Configuration Figure illustrates the basic plumbing requirements for a Tx151C Combi boiler installation with a single Central Heating circulator Refer to Figures 10 1 c and 10 1 d for boiler fitting identification ...

Страница 46: ... Plumbing Combi Single System Circulator Configuration Pressure Gauge Primary Loop factory supplied Figure illustrates the basic plumbing requirements for a Tx151C Combi boiler installation with a single Central Heating circulator Refer to Figures 10 1 c and 10 1 d for boiler fitting identification ...

Страница 47: ...umbing Combi Multiple System Circulator Configuration Pressure Gauge Primary Loop factory supplied Figure illustrates the basic plumbing requirements for a Tx151C Combi boiler installation with a multiple central heating circulators Refer to Figures 10 1 c and 10 1 d for boiler fitting identification ...

Страница 48: ...ling However in some applications the fouling tendency can be very high e g when using extremely hard water at high temperatures In such cases it is always possible to clean the exchanger by circulating a cleaning liquid Use a tank with weak acid 5 phosphoric acid or if the exchanger is frequently cleaned 5 oxalic acid Pump the cleaning liquid through the exchanger For optimum cleaning the cleanin...

Страница 49: ...e Throttling Valve Use one of the isolation valves installed hot water line as a throttle valve to regulate the maximum hot water flow rate The Tx151C is limited to a firing rate of 151MBH therefore excessive flow rates will result in cooler hot water temperatures Drain and Isolation Valves Install drain and isolation valves on the cold water inlet and hot water outlet lines as shown in Figures 11...

Страница 50: ...ociated with a tankless hot water system and to help avoid the Cold Water Sandwich In systems where a storage tank is used See Figure 11 2 Preheat Mode should be disabled e g set to OFF Procedure for Setting up Domestic Hot Water If the Combi is being installed in an application that uses municipal water often the pressure is high enough to generate flow rates at the faucets that will exceed the a...

Страница 51: ...cal location of a drain fitting to the DHW inlet fitting of the Tx Combi The internal DHW flow sensor senses the water flow and triggers a DHW demand heated water flows from the Tx Combi and enters the Recirculation Inlet fitting of the storage tank Figure 11 2 DHW Piping with Optional Storage Tank Tx151C When using a Storage Tank set Preheat Mode Installer Menu setting 2 10 to OFF to prevent the ...

Страница 52: ...the control panel at the bottom of the boiler cabinet see Figure 12 1 Field wiring enters the cabinet through holes located on the bottom underside of the boiler cabinet use suitable strain relief grommets to protect the wires Field wiring connections are to be installed in accordance with instructions provided in Figure 12 2 and Table 12 1 Fuse 120VAC The Trinity Tx is equipped with a 3 15 Amp fu...

Страница 53: ...y needs to be connected to the main boiler The use of the OD Sensor is required to allow the boiler control to automatically infer the heat load of a central heating system DHW 6 Tank Thermostat Sensor Not Applicable for Combi model Tx151C Connect the contacts of a DHW Tank Thermostat or leads of an approved DHW Tank Sensor NTI P N 84632 to terminals 3 and 6 When using a Thermostat set DHW mode 2 ...

Страница 54: ...Trinity Installation and Operation Instructions Tx Series 54 Figure 12 2 Field Wiring ...

Страница 55: ...us Link terminals 1 and 2 see Figure 12 2 Establish Managing Boiler choose one boiler to be the Managing Boiler this boiler will receive all control wiring and will be used for setting control parameters see steps below All non Managing Boilers must have the S4 switch located on the top right side of the control switched OFF Note the S4 switch is factory set to ON The switch is in the off position...

Страница 56: ...s 7 and 8 T T of the Managing Boiler Switch must be an isolated end switch dry contact Central Heat settings are programed from the Managing Boiler only i e Installer menu settings 2 01 2 02 2 03 2 04 2 05 and 2 06 Tank Thermostat Sensor connect to terminals 3 and 6 of the Managing Boiler DHW settings are programed from the Managing Boiler only i e Installer menu settings 2 07 2 08 and 2 09 Set DH...

Страница 57: ...Tx Series Installation and Operation Instructions Trinity 57 14 0 WIRING SCHEMATICS Figure 14 1 Tx Connection Diagram ...

Страница 58: ...Trinity Installation and Operation Instructions Tx Series 58 Figure 14 2 Tx Ladder Logic Diagram ...

Страница 59: ...n explosion serious injury or death 1 Turn gas shut off valve to the ON position 2 Turn Power on to the boiler 3 Set Controller to the desired settings 4 Turn thermostat up Ignition will occur Operational Checklist 1 System is free of gas leaks 2 System is free of water leaks 3 Water pressure is maintained above 15 PSI 4 All air is purged from the heating system piping 5 Ensure proper water flow r...

Страница 60: ...ervice work in the combustion chamber Take all necessary precautions and use recommended personal protective equipment as required Cleaning Checklist 1 Remove the demand for heat allow the post purge cycle to finish turn gas and power supply off 2 Working inside the cabinet swing the control panel out of the way disconnect the cabling to the combustion blower gas valve spark igniter and flame sens...

Страница 61: ...oiler This boiler contains materials that have been identified as carcinogenic or possibly carcinogenic to humans Table 16 1 Handling Instructions for Refractory Ceramic Fibers RCF Reduce the Risk of Exposure Precautions and Recommended Personal Protective Equipment Avoid contact with skin and eyes Wear long sleeved clothing gloves and safety goggles or glasses Avoid breathing in silica dust Wear ...

Страница 62: ...erty damage and personal injury Figure 17 1 de Air Sequence Main Screen Following power up of the boiler after the de air sequence or after 60 seconds of inactivity no buttons pressed the boiler defaults to the Main Screen see Figure 17 2 Under normal operating conditions the Main Screen displays the boiler outlet temperature and water pressure as well as an indication of the current heat demand C...

Страница 63: ...on for more details Figure 17 3 User Menu Navigation Water pressure Water pressure units Radiator flashes during CH demands Faucet flashes during DHW demands Menu button Reset button press and hold to clear lockouts or exit Installer Menu Power button Temperature units Boiler outlet temperature OD reset indicator illuminates when OD sensor is enabled Down button Up button No flame displayed during...

Страница 64: ...ensor temperature displays reading from outdoor temperature sensor NTI p n 83604 NOTICE when sensor is open not connected display indicates 40 F C when sensor is shorted display indicates 176 F 80 C and boiler will not fire on CH Modes 1 or 2 1 09 Return sensor temperature displays reading from boiler inlet temperature sensor NTI p n 84745 1 10 Flue sensor temperature displays reading from boiler ...

Страница 65: ...displayed press the OK button to enter save the new value At this point the value will stop flashing 4 Repeat for the next setting Once complete return to the Main Screen by holding the RESET button Figure 17 4 Installer Menu Navigation Table 17 2 Installer Menu Setting Description Factory Setting 2 01 CH setpoint at OD 0 F establishes the boiler operating temperature during central heat demands w...

Страница 66: ...cable when an outdoor sensor is used i e CH modes 1 2 Target temperature will not exceed CH setpoint setting 2 01 Range 0 to 36 F 0 F 2 07 DHW setpoint establishes a tank temperature setting for DHW mode 1 e g 130 140 F b boiler outlet setpoint for DHW mode 2 e g 170 190 F or c DHW temperature for Tx151C combi e g 120 140 F Range 104 190 F 136 F 2 08 DHW mode determines the operational mode for DH...

Страница 67: ...dress assign a unique boiler address for each boiler in a cascade managing boiler address must be set to 1 Managing boiler must have S4 switch set to ON all others must be set to OFF Central heat and DHW demands and setpoints are received and set at the managing boiler only A boiler that is not part of a cascade must have the boiler address set to 0 Range 0 16 0 2 21 Emergency setpoint used only f...

Страница 68: ...xt to the right see Figure 17 6 Blocking errors are only displayed while a problem exists during which time the burner is not permitted to operate To clear a blocking error the problem must be corrected i e the blocking error will not be cleared by cycling the power off and on or by pressing the RESET button While the blocking error is display the User and Installer Menus are still accessible as b...

Страница 69: ...eck spark electrode and cable replace Verify the spark electrode is arcing WARNING maintain clearance from ignition components while the power is on to avoid risk of severe electrical shock 7 Unit ignites and runs check combustion at maximum and minimum modulation rates Loc 2 Gas Valve Circuit Fault Safety control has sensed a fault in the gas valve electrical circuit check for a loose connection ...

Страница 70: ...ller Malfunction contact NTI replace controller Err 78 Flue Sensor Open check wiring to flue sensor replace sensor see Figure 19 1 d item 24 Err 79 Controller Malfunction contact NTI replace controller Err 80 Supply Sensor Shorted check wiring to supply sensor replace sensor see Figure 19 1 a item 15 Err 81 Return Sensor Shorted check wiring to return sensor replace sensor see Figure 19 1 d item 2...

Страница 71: ...zero 0 upon replacement of the control the display will prompt you to set the appliance type i e tYPE 0 will automatically be displayed on the screen see Notice below Adjust to the applicable Appliance Type setting see Table 17 4 using the UP DOWN buttons press the OK button to enter the value Check the appliance setting via Installer Menu setting 2 11 make sure it matches the correct boiler model...

Страница 72: ...lay Normal but no heat to radiators perform the following steps Ensure there is a heat call from the thermostat radiator symbol on the display will flash during a thermostat demand If uncertain about thermostat operation place a jumper between the boiler s Thermostat terminals If the radiator symbol does not display check outdoor sensor reading User Menu reading 1 08 and compare to the warm weathe...

Страница 73: ...Tank thermostat wired to COMMON and DHW boiler terminals 3 and 6 see Figure 12 2 o Verify there is a demand from the thermostat when the demand is on DHW temp User Menu reading 1 03 will indicate On or 242 F 117 C when demand is off DHW temp will indicate Off or 14 F 10 C If uncertain about thermostat operation place a jumper between terminals 3 and 6 the faucet symbol will flash on display when t...

Страница 74: ...e 18 1 Thermistor Resistance vs Temperature Temp F C Resistance Ohms Ω Temp F C Resistance Ohms Ω 22 30 176 133 122 50 3 603 4 20 96 761 131 55 2 986 14 10 55 218 140 60 2 488 32 0 32 650 149 65 2 083 41 5 25 390 158 70 1 752 50 10 19 900 167 75 1 481 59 15 15 710 176 80 1 258 68 20 12 490 185 85 1 072 77 25 10 000 194 90 918 86 30 8 057 203 95 789 95 35 6 531 212 100 680 104 40 5 327 230 110 506 ...

Страница 75: ...ocking wholesaler Contact your local Installer or Wholesaler for assistance with parts Wholesalers Contact NY Thermal Inc directly when ordering replacement parts 1 506 657 6000 Installers Contact NY Thermal Inc directly if technical assistance required 1 800 688 2575 Figure 19 1 a Tx Heat Engine and Gas Train Heat Exchanger Gas Valve Blower and Burner Assembly 5 48 20 98 17 17 22 19 91 96 27 27 2...

Страница 76: ...tructions Tx Series 76 Figure 19 1 b Tx Cabinet Cabinet Vent and Air Inlet Parts Figure 19 1 c Tx Controls Electrical Housing Controller and Display Module 70 70 70 52 23 61 107 74 42 41 49 75 39 73 45 50 74 50 46 95 77 35 37 72 78 77 78 44 ...

Страница 77: ...P Orifice 4 2mm Tx101 8 84795 LP Orifice 5 05 Tx151 Tx151C 9 84713 Gas Valve all Tx models 10 84738 1 Ignition Electrode c w gasket cable all Tx models 11 84739 Ignition Electrode Gasket 14 84763 Gas Valve Adapter c w screws and O ring all Tx models 15 84781 Outlet Sensor clip on c w retaining clip all Tx models 16 84733 O ring small Boiler Inlet Outlet 2 76 x 17 72 Tx51 16 84735 O ring medium Boi...

Страница 78: ...on Electrode c w gasket cable all Tx models 37 84755 MJ Coupling 1 1 2 x 1 1 4 all Tx models 38 82615 2 Bird Screen all Tx models 39 84881 Air Inlet Assembly all Tx models 41 84785 Flue Outlet Adapter PPS PVC c w test plug all Tx models 42 84786 Air Inlet Adapter PPS PVC all Tx models 44 84916 Test Port Plug all Tx models 45 84920 Wall Mount Bracket Top all Tx models 46 83505 Gas Line Grommet IPS ...

Страница 79: ...s Combi Block NPT Tx151C 98 84924 Retaining Clip Air Vent Adapter all Tx models 107 84422 Rocker Power Switch all Tx models 109 13701 Relief Valve 30psi all Tx models 110 84090 Pressure Gauge Stem Mount 60psi Tx51 151 110 84859 Pressure Gauge Back Mount 60psi Tx151C 111 82616 3 Bird Screen all Tx models 112 84925 Natural Gas to LP Conversion Instructions all Tx models 113 84867 LP Conversion Decal...

Страница 80: ...rinity Installation and Operation Instructions Tx Series 80 NY Thermal Inc 65 Drury Cove Road Saint John NB E2H 2Z8 Canada Technical Assistance 1 800 688 2575 Website www nythermal com Fax 1 506 432 1135 ...

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