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Lx Series Installation and Operation Instructions

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Trinity Lx

Low Voltage Terminals

Terminals 2 and 3 (R) have 24VAC potential from the internal

transformer. Do not connect power from these terminals to any other terminal other than
terminals 4, 5 and 6 [LIM, CH1, and CH2 (LL)]. Failure to follow these instructions may
damage the unit.

Fuse (24VAC)

- Trinity Lx150-400 models are equipped with a “blade style” 2 Amp

fuse to protect the internal transformer located within the slide-out control panel box.

Figure 12-2 Low Voltage Field Wiring (All Models)

Lx150-400 Illustrated

Содержание Trinity Lx 150

Страница 1: ...TING 79 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...

Страница 2: ...burner Do 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 th...

Страница 3: ...gy management system that serves the same function THIS OVERRIDE MUST NOT BE USED UNLESS AT LEAST ONE OF THE FOLLOWING CONDITIONS IS TRUE An external energy management system is installed that reduces...

Страница 4: ...conversion instructions Liquefied Petroleum LP propane gas is heavier than air therefore it is imperative that your Trinity Lx boiler is not installed in a pit or similar location that will permit hea...

Страница 5: ...sign 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...

Страница 6: ...er connections for Lx150 units sold in Canada are 3 4 NPT and Copper union Table 2 2 Boiler Performance Specifications DESCRIPTION Lx150 E Lx200 Lx300 Lx400 Lx500 Lx600 Lx700 Lx800 CSA Input Modulatio...

Страница 7: ...de rate by 10 de rate by 10 de rate by 10 de rate may vary In USA2 de rate by 12 de rate by 16 de rate by 18 de rate by 20 Notes 1 Canada Altitudes between 2000 4500 ft 610 1372 m de rate by 10 Consu...

Страница 8: ...or Alcove PVC vent pipe and fittings shall not be used within the closet or alcove only approved CPVC Polypropylene or Stainless Steel vent pipe and fittings can be used See Table 4 3 for a list of ap...

Страница 9: ...in 100 in 2 Ventilation Air Opening 1 in 2 per 1000 Btu hr min 100 in 2 6 152 mm max above vent opening 6 152 mm max below vent opening Right Side 4 102 mm Left Side 12 305 mm Front 6 152 mm Piping mu...

Страница 10: ...ning dimensions in Figure 3 1 2 Clearances can be as low as 12 if the right side has a clearance of 24 3 For models Lx500 800 ensure rear of unit is accessible for wiring and flue gas testing Front 6...

Страница 11: ...ht This unit requires two people to lift it or damage and injury may result Mount the boiler to the bracket by aligning the slots in the back of the boiler with the hooks protruding from the wall brac...

Страница 12: ...tions Ensure the wall mount bracket is mounted level and flush to the wall with mounting holes on the bottom flange pointed upward and angled away from the wall This unit requires two people to lift i...

Страница 13: ...o Removing an Existing Boiler 1 Seal any unused openings in the common venting system 2 Visually inspect the venting system for proper size and horizontal pitch Verify that there is no blockage restri...

Страница 14: ...shall be considered in determining the adequacy of a space to provide combustion air requirements Failure to ensure adequate make up air to all appliances may result in personal injury or death Contro...

Страница 15: ...haracteristics 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 intake prior t...

Страница 16: ...4 Minimum 4 100 mm 1 7 8 48 mm Lx700 800 6 Minimum 6 152 mm 2 1 2 63 mm Polypropylene or Stainless Steel Venting When using Polypropylene or Stainless Steel piping the appropriate boiler adapters must...

Страница 17: ...THE VENT AIR INLET PIPES ARE FIELD SUPPLIED MAJOR COMPONE NTS PROVIDED IN SIDE WALL TERMINA TION KIT INCLUDE VENT SCREEN INTERIOR TRIM AND VENT TERMINA L teel Adapter factory supplied Transition Piec...

Страница 18: ...tainless steel factory supplied 90 o elbow typical or tee and drain cap option for easy cleanouts Flue Outlet 6 stainless steel elbow factory supplied Exhaust Vent 6 PVC check local codes and Table 4...

Страница 19: ...to Table 4 5 for Allowable Vent and Air inlet Pipe Sizes and Lengths 2 PVC venting exhaust and air intake is not permitted within the Closet alcove of a Closet alcove installation 3 The Air Intake doe...

Страница 20: ...5 3 NG 105 100 95 90 85 80 75 70 65 60 4 NG LP 105 100 95 90 85 80 75 70 65 60 Lx300 400 4 or 6 NG LP 100 95 90 85 80 75 70 65 60 55 Lx500 4 or 6 3 NG LP 100 95 90 85 80 75 70 65 60 55 Lx600 4 or 6 3...

Страница 21: ...3 ICWS3513 ICTC0335 4 9 d PVC CPVC PP ICWT352 ICTC0335 4 ICWS4639 ICTC0446 Centrotherm InnoFlue Concentric Roof 9 3 ICRT3539 ICTC0335 4 10 c PVC CPVC PP 4 ICRT4679 ICTC0446 Notes 1 Instructions includ...

Страница 22: ...preferred venting option Refer to Figures 4 8 and 4 10 for roof top venting options Sidewall Termination Examples Direct Vent Installation Figure 4 6 a Concentric Sidewall Termination Figure 4 6 b Two...

Страница 23: ...ions using roof top terminations Failure to follow these instructions may result in venting or boiler component failure resulting in flue gas spillage leading to property damage serious injury or deat...

Страница 24: ...n 12 above grade or snow level Exhaust Air inlet Exhaust Air inlet around perimeter Min 12 above grade or snow level Exhaust center Air inlet bottom Exhaust Air inlet Gas Vent Directly Below Keep Free...

Страница 25: ...han 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 k...

Страница 26: ...upports 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 in 10 Roof Exhaust In all roof applicati...

Страница 27: ...to the boiler in elevation for every linear foot Figure 4 13 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 c...

Страница 28: ...blic 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 dwellin...

Страница 29: ...Lx Series Installation and Operation Instructions Trinity Lx 29 Figure 5 1 Termination Clearances Quick Reference Diagram...

Страница 30: ...e 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 Publi...

Страница 31: ...wn and damage to the flame sensor and components can occur NEVER use copper steel or galvanized piping in the construction of the condensate disposal system as condensate is very corrosive and will co...

Страница 32: ...e running to the unit depends on Length of pipe Number of fittings Type of gas Maximum input requirement of all gas appliances in the residence Ensure that The gas line connection to the boiler does n...

Страница 33: ...mage serious injury or death When performing a pressure test on the gas line piping be sure the boiler is disconnected or isolated if the test pressure is expected to exceed 1 2 PSI 14 w c as damage t...

Страница 34: ...ctric 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...

Страница 35: ...flame safety system replace the wire on the flame sensor and reconfirm proper lighting If the unit fails to light consistently and smoothly contact NTI for technical assistance at 1 800 688 2575 Neve...

Страница 36: ...ble 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 incase adjustments need to b...

Страница 37: ...tation Illustrated Orifice Location See Kit 82650 1 Gas Valve Air inlet Manifold Pressure Test Port Line Pressure Test Port Throttle Input Adjustment Screw Gas In Venturi Gas In Orifice Location See K...

Страница 38: ...Lx400 Figure 9 4 Gas Valve and Venturi Assembly Lx500 Throttle Input Adjustment Screw Venturi Air Inlet Line Pressure Test Port Gas In Gas Valve Orifice Location See Kit 83017 1 Manifold Pressure Test...

Страница 39: ...1 and 9 2 for throttle screw location Lx400 Adjustments The throttle screw for the Lx400 is a geared valve with a 4 1 ratio Adjusting the throttle screw 4 complete turns will return the valve to the o...

Страница 40: ...rate with Natural Gas for boilers field converted to operate with Propane Gas a flue gas analysis and adjustment is mandatory See Table 7 1 and propane conversion instructions Models Lx150 400 require...

Страница 41: ...s analysis Re install plug once sampling completed to prevent flue gas leakage during appliance operation Failure to comply with these instructions will result in serious injury or death Combustion An...

Страница 42: ...as analysis Re install plug once sampling completed to prevent flue gas leakage during appliance operation Failure to comply with these instructions will result in serious injury or death Combustion A...

Страница 43: ...ture 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 83448 Co...

Страница 44: ...act each other rendering them ineffective Near Boiler Plumbing Pressure Relief Valve A Pressure Relief Valve is factory supplied with each unit and must be field installed at the boiler outlet in the...

Страница 45: ...00 Pressure Relief Valve discharge to floor drain Outlet To Boiler and system plumbing Refer to piping diagrams Mandatory Safety Flow Switch Pressure Gauge Pressure Relief Valve Inlet Pressure Relief...

Страница 46: ...p s see Figures 10 2 and 10 3 for examples As well as a Primary Secondary Loop Configuration utilizing closely spaced tees a properly installed system will as a minimum include the major components in...

Страница 47: ...an air scoop or micro bubbler designed to remove the air from the water as it flows through the system Follow the installation instructions included with the air removal device when placing it in the...

Страница 48: ...ing any demand via the boiler pump output PUMP B This circulator must be sized according to Table 10 4 The piping configuration described above requires the Central Heating system and DHW system to be...

Страница 49: ...Lx Series Installation and Operation Instructions Trinity Lx 49 Figure 10 2 Primary Secondary Plumbing Single System Circulator Configuration...

Страница 50: ...Trinity Lx Installation and Operation Instructions Lx Series 50 Figure 10 3 Primary Secondary Plumbing Multiple System Circulator Configuration...

Страница 51: ...pipe feeding the heating system see Figure 11 1 Wire the system sensor to SENSOR COM and SYSTEM OD SYS SENSOR for Lx500 800 models of the Master Boiler see Field Wiring Tables 12 2 a and 12 2 b and Fi...

Страница 52: ...Trinity Lx Installation and Operation Instructions Lx Series 52 Figure 11 1 All Models Multiple Boiler Lead Lag Plumbing Configuration Master Boiler...

Страница 53: ...Configuration menu as follows Configure Sensor Configuration Outdoor temperature source Lead Lag Instructions Domestic Hot Water Tank Thermostat connect to SENSOR COM and DHW of the Master Boiler see...

Страница 54: ...uipped with either one or two 7 Amp fuses to protect 120VAC system components The fast acting fuses are located on the front of the control panel box and can be easily accessed from the outside of the...

Страница 55: ...ed during all demands DHW local Central Heat CH1 and Lead Lag Central Heat CH2 LL This output is not used for all plumbing configurations see Section 10 0 PUMP C 4 120VAC output to the Central Heating...

Страница 56: ...f the power supply Ground 3 Location for connecting earth ground Non Powered Dry Contacts PUMP A 4 Dry Contacts for DHW circulator Coil A powered during a demand for DHW closing Pump A relay contacts...

Страница 57: ...24VAC from terminal R to initiate a lead lag CH call Switch is made using an isolated end switch dry contact via thermostat zone controller or other device Typically used as a lead lag input for casc...

Страница 58: ...t from a thermostat aquastat located in an Indirect Fired Water Heater Or optional Tank Sensor P N 84632 see Appendix A NOTICE tank sensor cannot be used for cascade boiler arrangements OD SYS SENSOR...

Страница 59: ...om these terminals to any other terminal other than terminals 4 5 and 6 LIM CH1 and CH2 LL Failure to follow these instructions may damage the unit Fuse 24VAC Trinity Lx150 400 models are equipped wit...

Страница 60: ...Trinity Lx Installation and Operation Instructions Lx Series 60 13 0 WIRING SCHEMATICS Figure 13 1 a Connection Diagram Lx150 400...

Страница 61: ...Lx Series Installation and Operation Instructions Trinity Lx 61 Figure 13 1 b Ladder Logic Diagram Lx150 400...

Страница 62: ...Trinity Lx Installation and Operation Instructions Lx Series 62 Figure 13 2 a Connection Diagram Lx500 800...

Страница 63: ...Lx Series Installation and Operation Instructions Trinity Lx 63 Figure 13 2 b Ladder Logic Diagram Lx500 800...

Страница 64: ...death 1 Turn gas shut off valve to the ON position 2 Turn Power on to boiler 3 Set Controller to the desired settings 4 Turn thermostat up Ignition will occur Operational Checklist 1 System is free of...

Страница 65: ...ng while loosening the compression fitting nut with a 9 16 wrench Remove tubing assembly from blower 3 Access the combustion chamber by removing the aluminum burner door assembly of the boiler 4 Remov...

Страница 66: ...ng or removing this boiler This boiler contains materials that have been identified as carcinogenic or possibly carcinogenic to humans Table 15 1 Handling Instructions for Refractory Ceramic Fibers RC...

Страница 67: ...ng referenced Building Owners Replacement parts are available from your stocking wholesaler Contact your local Installer or Wholesaler for assistance with parts Wholesalers Contact NY Thermal Inc dire...

Страница 68: ...ger Gas Valve Blower and Burner Assembly Lx150 200 Figure 16 3 Electrical Housing Controller and Display Module Lx150 400 56 58 57 52 70 59 62 71 61 63 69 58 60 67 81 68 51 54 65 58 10 11 5 6 7 8 20 1...

Страница 69: ...Lx Series Installation and Operation Instructions Trinity Lx 69 Figure 16 4 Cabinet Vent and Air Intake Parts Lx300 400 44 42 39 50 49 46 47 72 73 75 48 37 76 78 77 45 41...

Страница 70: ...Instructions Lx Series 70 Figure 16 5 Heat Exchanger Gas Valve Blower and Burner Assembly Lx300 400 10 2 36 3 5 6 11 34 33 31 28 24 25 19 18 17 15 4 35 13 13 14 4 1 20 26 32 30 29 79 8 7 9 105 Revers...

Страница 71: ...rinity Lx 71 Commercial Models Lx500 800 Figure 16 6 Cabinet Vent and Air inlet Parts Lx500 800 76 77 73 72 95 95 95 95 78 101 101 42 98 49 48 96 96 47 46 47 74 100 99 104 75 104 97 41 41 Lx700 800 El...

Страница 72: ...on Instructions Lx Series 72 Figure 16 7 Heat Exchanger Gas Valve Blower and Burner Assembly Lx500 5 36 11 10 11 32 34 31 33 14 87 89 86 88 20 19 25 15 24 26 93 29 28 4 2 1 80 Reverse Angle View e Ang...

Страница 73: ...Valve Blower and Burner Assembly Lx600 800 80 1 6 2 4 5 7 9 36 11 10 11 32 34 31 33 14 14 89 90 86 89 20 19 25 15 24 30 85 26 93 13 13 92 91 83 29 14 18 84 87 3 88 94 86 82 94 86 90 89 9 14 13 14 13...

Страница 74: ...200 Extended Air Tube Lx100 200 3 83195 300 500 Extended Air Tube Lx300 500 3 84132 600 700 800 Conical Air Gas Inlet Pipe Stabilor Lx600 800 4 82766 150 500 Blower Gasket Lx150 500 4 84026 600 800 B...

Страница 75: ...utlet Sensor Dual Lx Series 16 83223 1 150 150E 200 300 400 Low Water Pressure Switch 1 4 NPT Lx150 400 17 83462 150 150E 200 Street Tee Brass 1 4 Lx150 200 17 82698 300 400 1 4 NPT Brass Tee Lx300 40...

Страница 76: ...r Lx300 600 41 84387 500 600 Flue Outlet Adapter c w Tabs Lx500 600 41 84052 700 800 Flue Outlet Adapter Lx700 800 42 82882 300 400 Coupling Rubber 4 Fernco Lx300 400 42 84051 500 800 Air Inlet Adapte...

Страница 77: ...rip Low Voltage Lx Commercial 66 83876 1 150 150E 200 Lx150 200 Electrical J box Cover R1 Right Lx150 200 67 83517 150 150E 200 300 400 Fuse Matrix Lx 2 Amp Lx150 400 68 84192 All Models Fuse Holder 2...

Страница 78: ...e 1 NPT Lx600 800 89 84390 500 Nipple 3 4 x 2 1 2 Black Iron Lx500 89 84351 600 Nipple 1 x Close Black Iron Lx600 89 84062 700 800 Nipple 1 x 3 1 2 Black Iron Lx700 800 90 84064 700 800 Elbow 1 90 deg...

Страница 79: ...er in the electrical panel supplying power to the boiler is not tripped o The service switch if applicable is in the ON position There is a heat call from the thermostat o Verify 24VAC to thermostat o...

Страница 80: ...ded knurled knob of their respective holders Push the knob toward the panel and twist approximately 1 4 turn counter clockwise To access Fuse C remove the two 10 pan head Phillips screws and lift the...

Страница 81: ...f not trace wiring back to 24VAC transformer correct wiring and or replace transformer see applicable Figure 13 1 a or 13 2 a 4 Remove the display assembly from the control panel and check the 24VAC w...

Страница 82: ...Check thermostat and DHW aquastat if applicable setting Boiler outlet temperature exceeds Setpoint On Hysteresis Check outlet temperature setpoint and hysteresis settings via Touchscreen Hold delay o...

Страница 83: ...If the unit lights and operates smoothly replace air switch If the unit fails to light or lights but runs rough or abruptly shuts down check boiler internals for blockage WARNING Only jumper the air s...

Страница 84: ...0 boiler applications only Unless deemed unacceptable by local installation codes the Outlet high limit response should be set to recycle and hold to prevent lockout Lockout or Hold 81 Delta T limit O...

Страница 85: ...er electrode Insufficient gas line pressure Ensure the manual gas shutoff valve is open Refer to manual section 9 0 GAS VALVE AND BURNER SETUP Flame rod disconnected Verify that the flame rod signal w...

Страница 86: ...Alert 233 Lead Lag outdoor temperature was invalid See Alert 248 Alert 248 CH outdoor temperature was invalid Outdoor sensor not connected The Trinity Lx is factory set with Outdoor Reset enabled Con...

Страница 87: ...ell as the ignition spark generator and boiler pump Faulty blower Measure voltage across pins 1 2 black and white wires of 3 position connector on wiring harness If 120VAC detected replace power conne...

Страница 88: ...ltage changed too much during flame sensing time Hold 26 Internal fault Static flame ripple Hold 27 Internal fault Flame rod shorted to ground detected Hold 28 Internal fault A D linearity test fails...

Страница 89: ...Inlet Outlet inversion limit See Table 17 1 Hold 86 Exchanger outlet inversion limit Disabled 87 Inlet exchanger inversion limit Disabled 88 Outlet T Rise limit See Table 17 1 Lockout 89 Exchanger T r...

Страница 90: ...d to close Hold 137 ILK failed to close Hold 138 Flame too low Lockout 139 142 RESERVED 143 Internal fault Flame bias out of range 1 Lockout 144 Internal fault Flame bias out of range 2 Lockout 145 In...

Страница 91: ...lid Ignite failure delay setting Lockout 194 Invalid Ignite failure response setting Lockout 195 Invalid Ignite failure retries setting Lockout 196 Invalid Ignition source setting Lockout 197 Invalid...

Страница 92: ...iter on throughout PFEP Lockout 244 Internal fault Safety relay test invalid state Lockout 245 Invalid Outlet connector type setting for T rise Lockout 246 4 20mA cannot be used for both modulation an...

Страница 93: ...be determined 21 Invalid safety group verification table was not accepted 22 CRC errors were found in application configuration data blocks 23 Backup Alert PCB was restored from active one 24 RESERVED...

Страница 94: ...n was over ridden due to sensor fault 70 No demand source was set due to demand priority conflicts 71 CH 4 20mA signal was invalid 72 Flame strength rate differential was invalid 73 Flame strength ste...

Страница 95: ...absolute max rate 120 Modulation commanded rate was CH max modulation rate 121 Modulation commanded rate was DHW max modulation rate 122 Modulation commanded rate was min modulation rate 123 Modulatio...

Страница 96: ...J8 11 sensor was invalid 180 CH Inlet temperature was invalid 181 CH S10 J10 7 sensor was invalid 182 Lead Lag CH setpoint source was invalid 183 Lead Lag P gain was invalid 184 Lead Lag I gain was in...

Страница 97: ...was configured for frost protection 226 RESERVED 227 DHW priority override time was not derated due to invalid outdoor temperature 228 Warm weather shutdown was not checked due to invalid outdoor temp...

Страница 98: ...Purge Time 284 Abnormal Recycle Demand off during Drive to Light off Rate 285 Abnormal Recycle Demand off during Pre Ignition test 286 Abnormal Recycle Demand off during Pre Ignition time 287 Abnorma...

Страница 99: ...lid 327 Abnormal Recycle Hardware flame rod short 328 Abnormal Recycle Hardware invalid power 329 Abnormal Recycle Hardware invalid AC line 330 Abnormal Recycle Hardware SLO flame ripple 331 Abnormal...

Страница 100: ...me bias high 375 Abnormal Recycle Hardware flame bias low 376 Abnormal Recycle Hardware flame bias delta high 377 Abnormal Recycle Hardware flame bias delta low 378 Abnormal Recycle Hardware flame bia...

Страница 101: ...ernal error Safety key bit 9 was incorrect 488 Internal error Safety key bit 10 was incorrect 489 Internal error Safety key bit 11 was incorrect 490 Internal error Safety key bit 12 was incorrect 491...

Страница 102: ...s switched to backup 616 Range PCB was switched to backup 622 Lead Lag modulation sensor was not valid with setpoint source 623 Lead Lag modulation sensor was not valid with local setpoint source 624...

Страница 103: ...Lx Series Installation and Operation Instructions Trinity Lx 103 NOTES...

Страница 104: ...Installation and Operation Instructions Lx Series 104 Visit us online NY Thermal Inc 30 Stonegate Dr Saint John NB E2H 0A4 Canada Technical Assistance 1 800 688 2575 Website www ntiboilers com Fax 1 5...

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