NTI Trinity TX Series Installation And Operation Manual Download Page 51 | Manualshive

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Tx I&O Manual

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Cascade Instructions

51

Figure 12-2 Field Wiring

ECM Pumps

– due to the large inrush current of ECM pumps, they should only be

switched via an isolation relay, not directly via the boiler controller. Powering ECM
pumps directly will lead to premature failure of the boiler controller’s pump relay
contacts.

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Summary of Contents for Trinity TX Series

Page 1: ...9 0 PARTS 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 wh...

Page 2: ...e 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...

Page 3: ...gement 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 sys...

Page 4: ...ructions 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 g...

Page 5: ...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 horiz...

Page 6: ...d that adapts from NPT to 1 sweat joints See Figure 10 2 c on page 39 Wall mounting of unit requires two people to lift the boiler into place Failure to follow these instructions may result in propert...

Page 7: ...ided 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 l...

Page 8: ...commended 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...

Page 9: ...nted 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 d...

Page 10: ...nused openings in 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 deficienc...

Page 11: ...ated Sources to Avoid Antistatic fabric softeners bleaches detergents cleaners Laundry facilities Perchloroethylene PCE hydrocarbon based cleaners Dry cleaning facilities Chemical fertilizer herbicide...

Page 12: ...sure the vent pipe is properly beveled prior to installation and that the pipe is fully inserted into universal appliance adapter Failure to follow these instructions may result in serious injury or d...

Page 13: ...haust Vent Connection Lower Gasket 3 OD Seal use with Stainless Steel Middle Gasket 3 14 OD Seal use with Polypropylene Upper Gasket 3 5 OD Seal use with CPVC PVC for Air inlet 2 36 CPVC PVC 3 46 PP 4...

Page 14: ...Transition Pipe is mandatory when venting with PVC PVC Coupling Air inlet Adapter factory supplied PVC Air inlet Pipe PVC Exhaust Vent Swing Joint to attain slope in horizontal runs Flue Outlet Adapte...

Page 15: ...ure applications High temperature applications requiring boiler supply water temperatures greater than 140o F 60o C must use ULC S636 CPVC PP or SS exhaust venting The use of cellular core PVC ASTM F8...

Page 16: ...r other equipment Extra precaution must be taken to adequately support the weight of the Vent Air inlet piping in applications using roof top terminations Failure to follow these instructions may resu...

Page 17: ...in detailed assembly and installation instructions 2 Clearance requirements in this manual supersede those of the instructions included with the vent terminal 3 Piping MUST be secured to the vent term...

Page 18: ...tion Sidewall Exhaust must terminate a minimum of 18 above Air inlet termination see Figure 4 6 a for more details Exhaust Inlet 3 IPEX Low Profile Termination illustrated see Figure 4 6 c for more de...

Page 19: ...n Roof 3 DuraVent Concentric Termination illustrated see Figure 4 7 c for more details Exhaust Inlet Exhaust Inlet Exhaust must terminate a minimum of 18 above the Air inlet termination see Figure 4 7...

Page 20: ...ntation included with termination kit for complete installation instructions Min 12 above grade or snow level Exhaust Air inlet Exhaust Air inlet around perimeter Min 12 above grade or snow level Exha...

Page 21: ...in 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 i...

Page 22: ...f 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...

Page 23: ...n for every linear foot 13 mm for every linear 305 mm Figure 4 10 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 T...

Page 24: ...property if adjacent 12 7 ft 2 13 m 7 ft 2 13 m R Above a public walkway X X X X S Above a sidewalk or paved driveway that is located between two single family dwellings and services both dwellings X...

Page 25: ...gure 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 Termi...

Page 26: ...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 Att...

Page 27: ...ned Corrugated Outlet Tube routed to household drain condensate pump or neutralizer no strain applied on tubing or condensate drain assembly Inlet Gasket Outlet Corrugated Outlet Tube Outlet Retaining...

Page 28: ...o connect the boiler to the gas supply See Figure 7 1 for details You plan the installation so the piping does not interfere with the vent pipe or the removal of the valve burner and serviceable compo...

Page 29: ...l and external to the boiler for leaks Failure to follow these instructions may result in fire property damage serious injury or death Manual Gas Shutoff Valve Should overheating occur or the gas supp...

Page 30: ...itch 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 departm...

Page 31: ...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 saf...

Page 32: ...Lighting the Boiler Tx I O Manual 32 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...

Page 33: ...lt in serious injury or death Throttle Screw Adjustment The gas valve Throttle Screw see Figures 9 1 9 2 is used to calibrate the CO2 concentration with the burner operating at or near the maximum mod...

Page 34: ...t 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 need to be made 9 Complete pr...

Page 35: ...w used to set combustion at min modulation rate use 2 mm hex wrench Throttle Screw used to calibrate combustion at max modulation rate Line Pressure Test Port Gas Valve Venturi Throttle Screw used to...

Page 36: ...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 834...

Page 37: ...installed in the incorrect orientation horizontally with drain pipe out the bottom the relief valve may not function properly resulting in property damage or personal injury Ensure the discharge of t...

Page 38: ...1C Tx200C Combi CH Piping Brass Street Elbow Factory supplied 1x1x3 4 Brass Tee factory supplied 30 PSI Relief Valve factory supplied Boiler Inlet Boiler Outlet Outlet Inlet Pressure Relief Valve Pres...

Page 39: ...odels 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 120V...

Page 40: ...1 NRF 25 UPS26 99 0015 MS Astro 50 3 25 10 8 18 4 1 1 4 NRF 36 UPS26 99 0013 MS E7 20 13 5 23 2 1 1 4 PL 36 UPS26 99 2400 20 E8 Tx2002 35 10 2 10 1 1 4 NRF 25 UPS26 99 0015 MS Astro 50 3 25 14 3 20 1...

Page 41: ...ir 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 and it should be closed following commissionin...

Page 42: ...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 fl...

Page 43: ...ry Secondary Plumbing non Combi Single System Circulator Configuration Figure illustrates the basic plumbing requirements for a Tx51 200 non Combi boiler installation with a single Central Heating cir...

Page 44: ...Secondary Plumbing non Combi Multiple System Circulator Configuration Figure illustrates the basic plumbing requirements for a Tx51 200 non Combi boiler installation with multiple Central Heating cir...

Page 45: ...Combi Single System Circulator Configuration Figure illustrates the basic plumbing requirements for a Tx Combi boiler installation with a single Central Heating circulator Refer to Figures 10 2 c and...

Page 46: ...ombi Multiple System Circulator Configuration Figure illustrates the basic plumbing requirements for a Tx Combi boiler installation with multiple central heating circulators Refer to Figures 10 2 c an...

Page 47: ...mixing valve is not used or is set too high Be sure to follow the adjustment instructions provided with the thermostatic mixing valve Failure to follow these instructions may result in serious injury...

Page 48: ...kflow will cause a momentary forward flow of water through the flow sensor when the cold water draw has ended and the water pressure increases This forward flow of water will momentarily activate DHW...

Page 49: ...he 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 w...

Page 50: ...ted 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...

Page 51: ...iring ECM Pumps due to the large inrush current of ECM pumps they should only be switched via an isolation relay not directly via the boiler controller Powering ECM pumps directly will lead to prematu...

Page 52: ...inals 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 step...

Page 53: ...e 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...

Page 54: ...Wiring Schematics Tx I O Manual 54 14 0 WIRING SCHEMATICS Figure 14 1 Tx Connection Diagram...

Page 55: ...Tx I O Manual Wiring Schematics 55 Figure 14 2 Tx Ladder Logic Diagram...

Page 56: ...rious 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...

Page 57: ...rvice 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 c...

Page 58: ...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 Exposu...

Page 59: ...nd 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 Ma...

Page 60: ...etails 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 lockou...

Page 61: ...the signal drops below 1 5 A 1 08 Outdoor sensor temperature displays reading from outdoor temperature sensor NTI P N 83604 NOTICE when sensor is open not connected display indicates 40 F C or OPEn wh...

Page 62: ...s 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 Ins...

Page 63: ...ontinuous central heat demand Only applicable 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 NOTICE Boost feature does not...

Page 64: ...ommences following the combustion fan postpurge Range 0 90seconds 30 sec 2 19 DHW pump postpurge length of time the DHW Boiler Pumps remain powered at the end of a DHW demand Timer commences following...

Page 65: ...ch occurrence Navigate the Lockout and Error History submenus as follows 1 Navigate to Installer Menu setting 2 34 Lockout History or 2 35 Blocking Error History From this screen the display indicates...

Page 66: ...of the screen the specific error code number is displayed in large text to the right see Figure 17 7 Blocking errors are only displayed while a problem exists during which time the burner is not perm...

Page 67: ...ure below 7 PSI burner operation is inhibited and FILL is displayed on the screen see Figure 17 8 As long as the water pressure is above 3 PSI the circulators will be permitted to operate otherwise th...

Page 68: ...following 1 External Limit Purple wire if an external limit device i e LWCO is connected to the purple wire at the field wiring terminal check to ensure it has not tripped and that it is wired correc...

Page 69: ...if problem persists replace the controller see Figure 19 1 d item 61 Err 61 Return Sensor Error inlet temperature exceeded 203 F error clears when inlet temperature drops below 190 F 1 ensure there is...

Page 70: ...iate setting see Table 17 2 Att 4 DHW Sensor Shorted controller has sensed a short circuit at the DHW tank sensor check wiring to terminals 3 and 6 and tank sensor If no tank sensor is being used set...

Page 71: ...he 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...

Page 72: ...eck the electrical connection to the display connector is located behind display Only replace Tx controller fuse with identical part LFT 3 15A 250V slow blow Failure to follow this warning may result...

Page 73: ...umbing is in accordance with Figure 10 4 or 10 4 Indirect Tank with Tank Thermostat o Verify DHW Mode is set to 2 Installer Menu setting 2 08 o Verify there is a Tank thermostat wired to COMMON and DH...

Page 74: ...ce Ohms 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...

Page 75: ...holesaler 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...

Page 76: ...st Tx I O Manual 76 Figure 19 1 b Tx200 Gas Valve Blower Assembly Figure 19 1 c Tx Cabinet Vent and Air inlet Parts 79 8 79 9 14 6 105 7 5 42 41 49 75 39 73 45 45 74 50 46 95 77 35 37 72 78 77 78 44 5...

Page 77: ...nstallation Kit Box 70 70 70 52 23 61 107 74 There are 5 different Tx Conversion Kits Each kit has the required orifice decal and instructions 113 112 8 Natural Gas to LP Conversion Kit 119 Common All...

Page 78: ...3 Gas Valve Adapter c w screws and O ring Tx51 151 Tx151C 14 82065 Gas Valve Adapter c w screws and O ring Tx200 Tx200C 15 84781 Outlet Sensor clip on c w retaining clip all Tx models 16 84733 old O r...

Page 79: ...755 MJ Coupling 1 1 2 x 1 1 4 Tx51 151 Tx151C 37 82099 MJ Coupling 1 1 2 Tx200 Tx200C 38 82615 2 Bird Screen Tx51 151 Tx151C 39 84881 Air Inlet Assembly Tx51 151 Tx151C 39 85121 Air Inlet Assembly Tx2...

Page 80: ...Combi Block NPT Tx151C Tx200C 98 84924 Retaining Clip Air Vent Adapter all Tx models 105 85003 1 Gas Valve Harness Tx200 Tx200C 107 84422 Rocker Power Switch all Tx models 108 83991 CPVC Pipe 3 System...

Page 81: ...81 NOTES...

Page 82: ...NOTES...

Page 83: ...83 NOTES...

Page 84: ...Visit us online NTI Boilers Inc 30 Stonegate Drive Saint John NB E2H 0A4 Canada Technical Assistance 1 800 688 2575 Website www ntiboilers com Fax 1 506 432 1135...

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