NTI Tft60 - 399 Installation And Operation Instructions Manual
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NTI Tft60 - 399 Installation And Operation Instructions Manual

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Trinity Tft
Model Numbers: Tft60 - 399
Version Date: 2012-04-09
INSTALLATION AND OPERATION INSTRUCTIONS FOR
TRINITY Tft BOILER

TABLE OF CONTENTS

1.0
INTRODUCTION ...........................................................................................................3
2.0
SPECIFICATIONS ..........................................................................................................6
3.0
BOILER LOCATION ......................................................................................................7
4.0
GENERAL VENTING................................................................................................... 10
5.0
VENT/AIR-INLET TERMINATION CLEARANCES................................................... 24
6.0
CONDENSATE DRAIN................................................................................................ 27
7.0
INSTALLING GAS PIPING.......................................................................................... 29
8.0
LIGHTING THE BOILER ............................................................................................. 31
9.0
GAS VALVE AND BURNER SET-UP ......................................................................... 33
10.0 BOILER AND HEATING SYSTEM PIPING ................................................................ 36
11.0 FIELD WIRING ............................................................................................................ 51
12.0 WIRING SCHEMATICS ............................................................................................... 56
13.0 INSTALLATION CHECKLIST..................................................................................... 58
14.0 ANNUAL MAINTENANCE AND INSPECTION......................................................... 59
15.0 TROUBLESHOOTING ................................................................................................. 61
16.0 PARTS LIST ................................................................................................................. 80
HAZARD SYMBOLS AND DEFINITIONS
unit may result in property damage, serious injury to occupants, or possibly death.
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 without Safety Alert Symbol: Indicates a hazardous
situation which, if not avoided, could result in property damage.
Notice Sign: Indicates a hazardous situation which, if not avoided,
could result in property damage.
This Boiler must be installed by a licensed and trained Heating
Technician or the Warranty is Void. Failure to properly install this
NEW PRODUCT LINE
High Efficiency Firetube
Condensing Gas Boiler
NTI # 84535

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  • Page 1: Table Of Contents

    Trinity Tft NEW PRODUCT LINE High Efficiency Firetube Model Numbers: Tft60 - 399 Condensing Gas Boiler Version Date: 2012-04-09 INSTALLATION AND OPERATION INSTRUCTIONS FOR TRINITY Tft BOILER TABLE OF CONTENTS INTRODUCTION ......................3 SPECIFICATIONS ......................6 BOILER LOCATION ......................7 GENERAL VENTING....................10 VENT/AIR-INLET TERMINATION CLEARANCES...........
  • Page 2 │Installation and Operation Instructions Trinity Tft Series Read Before Proceeding If you do not follow these instructions exactly, a fire or explosion may result causing property damage, serious injury or death. FOR YOUR SAFETY, READ BEFORE OPERATING_ A) This boiler does not have a pilot. It is equipped with an ignition device which automatically lights the burner.

  • Page 3: Introduction

    1.0 INTRODUCTION General Installation Requirements The installation of your NTI Trinity Tft gas boiler must conform to the requirements of this manual, your local authority, and the National Fuel Gas Code ANSI Z223.1 and or CAN/CGA B149 Installation Codes. Where required by the Authority, the installation must conform to the standard for “Controls and Safety Devices for...
  • Page 4 │Installation and Operation Instructions Trinity Tft Series ATTENTION: LIQUEFIED PETROLEUM (LP) PROPANE The Trinity Tft is factory set to operate with Natural Gas. BEFORE OPERATING WITH PROPANE, the specified LP Conversion Kit and Orifice must be installed to convert the boiler so it will operate safely with LP Propane.
  • Page 5 │ Trinity Tft Series Installation and Operation Instructions …..Continued. (b) EXEMPTIONS: The following equipment is exempt from 248 CMR 5.08(2)(a)1 through 4: 1. The equipment listed in Chapter 10 entitled “Equipment Not Required To Be Vented” in the most current edition of NFPA 54 as adopted by the Board;...

  • Page 6: Specifications

    │Installation and Operation Instructions Trinity Tft Series 2.0 SPECIFICATIONS Table 2-1 Trinity Tft Specifications DESCRIPTION Tft60 Tft85 Tft110 Tft155 Tft175 Tft200 Tft250 Tft300 Tft399 CSA Input Modulation 17-60 17-85 21.6-108 31-155 35-175 40-200 50-250 79.8-299 79.8-399 [MBH] DOE Heating Capacity [MBH] Net I=B=R Rating [MBH]...

  • Page 7: Boiler Location

    │ Trinity Tft Series Installation and Operation Instructions 3.0 BOILER LOCATION In all cases, the Trinity Tft must be installed indoors in a dry location where the ambient temperature must be maintained above freezing and below 100°F [38°C]. All boiler components must be protected from dripping, spraying water, or rain during operation and servicing.
  • Page 8 │Installation and Operation Instructions Trinity Tft Series Figure 3-1 Closet Installation, Minimum Clearances (Model Tft60-110 Shown) Min. 1” clearance for hot water and vent pipes Top ventilation opening Max. 6” below ceiling / top Ventilation air opening Top = 12” per 1000 Btu/hr, min.
  • Page 9 │ Trinity Tft Series Installation and Operation Instructions Figure 3-2 Wall Mounting Instructions Failure to follow instructions may While leaving the Upper bracket (A) intact, result in fire, serious injury, or death. remove the Wall-mount bracket (B) attached to the bottom-back of the appliance. Save the This unit requires two people to lift it mounting hardware for Step 4.

  • Page 10: General Venting

    │Installation and Operation Instructions Trinity Tft Series 4.0 GENERAL VENTING The Trinity Tft is certified as a “Category IV” boiler requiring a “Special Venting System” designed for pressurized venting. The Exhaust Vent must be piped to the outdoors, using the vent materials and rules outlined in this section.
  • Page 11 │ Trinity Tft Series Installation and Operation Instructions 2. One Permanent Opening Method – One permanent opening, commencing within 12 in. of the top of the enclosure, shall be provided. The appliance shall have clearances of at least 1 in. from the sides and back and 6 in.
  • Page 12 │Installation and Operation Instructions Trinity Tft Series Combustion Air-inlet Contamination Be careful not to locate the air-inlet termination in an area where contaminants can be drawn in and used for combustion. Combustion air containing dust, debris or air-borne contaminants will drastically increase the required maintenance and may cause a corrosive reaction in the Heat Exchanger which could result in premature failure, fire, serious injury, or death.
  • Page 13 │ Trinity Tft Series Installation and Operation Instructions Figure 4-2(a) Trinity Tft60-110 & 300-399 Figure 4-2(b) Trinity Tft60-110 & 300-399 Near Boiler Venting (CPVC) Near Boiler Venting (PVC) Swing Joint to attain slope in Air-inlet Air-inlet horizontal runs Pipe * Pipe * Air Inlet Air Inlet...
  • Page 14 │Installation and Operation Instructions Trinity Tft Series Figure 4-2(e) Trinity Tft60-110 & 300-399 Figure 4-2(f) Trinity Tft60-110 & 300-399 Near Boiler Venting (Stainless Steel) Near Boiler Venting (Polypropylene) PPS Elbow w/ offset angle to SS Air-inlet Pipe PPS Air-inlet Pipe* account for slope Swing Joint SS Appliance Adapter...
  • Page 15 │ Trinity Tft Series Installation and Operation Instructions Table 4-2 CPVC Vent Pipe Transition Piece (used when venting with PVC) Model No. Vent Pipe Size CPVC Transition Vent Pipe Length Full Insertion Depth Tft60-110 3” Minimum 5” [127 mm] 2-7/8” [73 mm] Tft155-250 3”...
  • Page 16 │Installation and Operation Instructions Trinity Tft Series Vent/Air-inlet Pipe Length Determination Use Table 4-5 to determine the maximum pipe length that can be used. The table calculates 90º elbows, and 45º elbows at 5 equivalent feet each. Example: When using 3” pipe, a Tft60-110 can be installed with 150 equivalent feet of air-inlet piping and 150 equivalent feet of exhaust-vent piping.
  • Page 17 Optional Termination Kits – Direct Vent Installation Kits certified with the Trinity Tft are listed in Table 4-6 and available from IPEX, DuraVent and/or NTI. For more information on System 636 Vent Kits or wholesaler locations contact IPEX directly USA: 1-800-463-9572 │...
  • Page 18 │Installation and Operation Instructions Trinity Tft Series Sidewall Venting Options – Direct Vent Installation Figure 4-3(a) Figure 4-3(b) Two-pipe Termination (Sidewall) IPEX Low Profile Termination (Sidewall) Location of exhaust and air-inlet Location of exhaust and air-inlet connections vary between connections vary between models, see Figure 4-2.
  • Page 19 │ Trinity Tft Series Installation and Operation Instructions Roof Venting Options – Direct Vent Installation Figure 4-4(a) Figure 4-4(b) Two-pipe Termination (Roof) IPEX Concentric Termination (Roof) Location of exhaust and air-inlet Location of exhaust and air-inlet connections vary between connections vary between models, see Figure 4-2.
  • Page 20 │Installation and Operation Instructions Trinity Tft Series Sidewall Termination Details – Direct Vent Installation Figure 4-5(a) Figure 4-5(b) Two-Pipe Termination (Sidewall) IPEX Concentric Termination (Sidewall) Horizontal 4-12” or greater Refer to documentation included with termination kit for than 36” complete installation instructions. Exhaust Exhaust Exhaust...
  • Page 21 │ Trinity Tft Series Installation and Operation Instructions • Roof Termination Details – Direct Vent Installation Figure 4-6(a) Figure 4-6(b) Two-Pipe Termination (Roof) IPEX Concentric Termination (Roof) Exhaust Refer to documentation included with termination kit for Vent Screen complete installation instructions. Vent pipe piece to retain vent screen Vent pipe piece to...
  • Page 22 Combustion air containing chemicals such as chloride, fluoride, bromine or iodine or dust and debris will cause corrosion damage of the heat exchanger voiding your NTI warranty. Refer to Table 4- 1 for a list of corrosive products and contaminants sources to avoid.
  • Page 23 │ Trinity Tft Series Installation and Operation Instructions Figure 4-7 Venting Below Grade For installations that exit the wall below grade: Exhaust 1. Excavate site to a point below where the pipes are to exit as shown. 2. Ensure the wall is fully sealed where the pipes penetrate.

  • Page 24: Vent/Air-Inlet Termination Clearances

    │Installation and Operation Instructions Trinity Tft Series 5.0 VENT/AIR-INLET TERMINATION CLEARANCES The quick reference table below is to be read in conjunction with the numbered notes as indicated, Figures 5-1 and 5-2, and the Venting Rules and Guidelines in Section 4.0. The instructions detailed in this section are a combination of Trinity Tft specific and National Gas Code restrictions.
  • Page 25 │ Trinity Tft Series Installation and Operation Instructions Figure 5-1 Termination Clearance Quick Reference Diagram (See Table 5-1) Illustrations of Termination Clearances Figure 5-2 Sidewall Termination (See Table 5-1) Clearances “F” and “G” Canada – Minimum 3 ft [915 mm] The US –...
  • Page 26 │Installation and Operation Instructions Trinity Tft Series 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 result in venting or boiler component failure resulting in flue gas spillage leading to property damage, serious injury or death.

  • Page 27: Condensate Drain

    │ Trinity Tft Series Installation and Operation Instructions 6.0 CONDENSATE DRAIN This unit produces liquid condensate in the heat exchanger and venting system as a product of combustion. Steps must be taken to ensure condensate does not collect in the venting system; therefore, all exhaust piping must slope back to the boiler a minimum 1/4”...
  • Page 28 │Installation and Operation Instructions Trinity Tft Series Figure 6-1 Condensate Drain Piping Boiler Condensate Drain Outlet Nut and Gasket Inlet Retaining Nut Ball -float Inlet Gasket Ball-float Outlet Retaining Nut firmly tightened Hose-barb Adapter Condensate Trap Inlet pushed up until it bottoms-out on Boiler Condensate Drain Condensate Trap...

  • Page 29: Installing Gas Piping

    Ensure that: • The gas line connection to the boiler does not apply any weight to the gas valve. NTI recommends using approved flexible gas piping (if acceptable by local codes) to connect the boiler to the gas supply (See Figure 7-1 for details).
  • Page 30 │Installation and Operation Instructions Trinity Tft Series Figure 7-1 Gas Line Connection (Typical) 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...

  • Page 31: Lighting The Boiler

    │ Trinity Tft Series Installation and Operation Instructions 8.0 LIGHTING THE BOILER • Before Start-up refer to Mandatory Pre-commissioning Procedure for Plastic Venting in Section 4.0. Failure to follow these instructions can result in explosions, injury or death. Prior to turning the gas supply on and lighting the boiler, ensure all aspects of the installation are complete and in conformance with the instructions provided in this manual, including the Vent/Air-Inlet, Condensate Drain, and System Water Piping.
  • Page 32 EXTREME ELECTRICAL SHOCK possibly causing serious injury or death. If the unit fails to light consistently and smoothly, contact NTI for technical assistance at 1-800-688-2575. Never allow the boiler to operate if the ignition or operation of the burner is rough or erratic.

  • Page 33: Gas Valve And Burner Set-Up

    │ Trinity Tft Series Installation and Operation Instructions 9.0 GAS VALVE AND BURNER SET-UP Set-up of the Trinity Tft gas valve must be performed by a licensed Gas Technician. Failure to perform the set-up correctly may result in incorrect operation, component failure, property damage, serious injury or death.
  • Page 34 4. Operate the unit at the minimum modulation rate (Table 9-2). Ensure the combustion remains smooth and and CO remain within the limits (Table 9-1). If not, do not adjust further, contact NTI for assistance. Flue Gas Analysis and Adjustment Each Trinity Tft is factory set to operate with Natural Gas, for boilers field converted to operate with Propane Gas, a flue gas analysis and adjustment is mandatory.
  • Page 35 │ Trinity Tft Series Installation and Operation Instructions Figure 9-1 Tft60-250 Gas Valve and Venturi Assembly (model Tft60-110 shown) Gas Valve DO NOT Remove Manifold Pressure Line Pressure Test Port Test Port Throttle / Input Adjustment Screw Venturi Figure 9-2 Tft300-399 Gas Valve and Venturi Assembly Manifold Pressure Throttle / Input Test Port...

  • Page 36: Boiler And Heating System Piping

    For retrofits, all system piping, including radiators, must be cleansed of build-up including sludge and scale. All systems, old and new, must be cleansed to remove flux, grease and carbon residue; NTI recommends cleaning the boiler system with “Fernox F3 Cleaner”. For retrofit applications with heavy limescale and sludge deposits, a heavier duty cleaner may be required;...
  • Page 37 WATER” LED should illuminate. Generate a burner demand; the burner should not fire and “Lockout 67 ILK OFF” should appear on the screen. Contact NTI for assistance if this does not happen. 2. Fill the boiler with water; the “LOW WATER” LED should turn off. Clear the Lockout from the display board;...
  • Page 38 │Installation and Operation Instructions Trinity Tft Series Near Boiler Piping (Tft60-110) Figure 10-1(a) Figure 10-1(b) Supply/Return Bottom (Tft60-110) Supply/Return Top (Tft60-110) Auto Air-Vent Auto Air-Vent Inlet Pressure Relief Valve Pressure Relief Valve Outlet Pressure Gauge Pressure Gauge Outlet Inlet Pressure Relief Pressure Relief Valve (alternate Valve (alternate...
  • Page 39 │ Trinity Tft Series Installation and Operation Instructions Near Boiler Piping (Tft155-250) Figure 10-2(a) Figure 10-2(b) Supply/Return Bottom (Tft155-250) Supply/Return Top (Tft155-250) Auto Air-Vent Inlet Auto Air-Vent Pressure Relief Pressure Relief Valve Valve Pressure Gauge Outlet Pressure Relief Valve (alternate location) Pressure Gauge Pressure Relief...
  • Page 40 │Installation and Operation Instructions Trinity Tft Series Near Boiler Piping (Tft300-399) Figure 10-3(a) Figure 10-3(b) Supply/Return Bottom (Tft300-399) Supply/Return Top (Tft300-399) Auto Air-Vent Auto Air-Vent Inlet Pressure Relief Valve Pressure Relief Pressure Gauge Valve Outlet Inlet Pressure Relief Valve (alternate Outlet location) Pressure Gauge...
  • Page 41 (See Table 10-2 for minimum flow rate requirements). To ensure the minimum flow rate is attained, NTI strongly recommends installing the boiler in a “Primary/Secondary” plumbing configuration utilizing “Closely Spaced Tees” or a “Low Loss Header” to de-couple the Boiler-Primary loop from the System-Secondary loop(s).
  • Page 42 │Installation and Operation Instructions Trinity Tft Series Table 10-4 Circulator and Pipe Size Requirements Minimum Primary Loop Pump Size Temp. Boiler Flow Boiler Head Minimum Model Rise (ºF) Rate (GPM) Loss (ft) Pipe Size B&G Grundfos Taco Armstrong 1” NRF-22 UPS15-58 (2) Astro 30 (2) Tft60...
  • Page 43 │ Trinity Tft Series Installation and Operation Instructions Figure 10-4(a) Tft60-110 Head Loss Curve Flow Rate (US gpm) Figure 10-4(b) Tft155-250 Head Loss Curve Flow Rate (US gpm) Figure 10-4(c) Tft300-399 Head Loss Curve Flow Rate (US gpm)
  • Page 44 │Installation and Operation Instructions Trinity Tft Series Air Removal – The boiler and system plumbing layout must be configured to promote the removal of air from the water. Air vents and bleeders must be strategically placed throughout the system to aid in purging the air from the system during commissioning of the boiler.
  • Page 45 │ Trinity Tft Series Installation and Operation Instructions Indirect Fired Water Heater – When installed as per Figure 10-6, the indirect fired water heater is in series with the boiler during a demand for DHW. Therefore, its head loss, along with the head loss of the boiler and associated piping, must be considered when sizing the circulator.
  • Page 46 │Installation and Operation Instructions Trinity Tft Series Figure 10-5 Primary/Secondary Plumbing (Single System Circulator Configuration) Water connection locations will vary between boiler models; refer to Figures 10-1 to 10-3.
  • Page 47 │ Trinity Tft Series Installation and Operation Instructions Figure 10-6 Primary/Secondary Plumbing (Multiple System Circulator Configuration) Water connection locations will vary between boiler models; refer to Figures 10-1 to 10-3.
  • Page 48 │Installation and Operation Instructions Trinity Tft Series Multiple Boiler Applications The Tft controller has the internal capacity to stage or Lead-Lag up to 8 boilers configured in a cascade. This Lead-Lag capability allows a designated “Master” boiler to communicate with and effectively control each boiler in a multiple boiler system.
  • Page 49 │ Trinity Tft Series Installation and Operation Instructions Figure 10-7 Multiple Boiler Lead-Lag Plumbing Configuration (Small DHW Requirements)
  • Page 50 │Installation and Operation Instructions Trinity Tft Series Figure 10-8 Multiple Boiler Lead-Lag Plumbing Configuration (Large DHW Requirements)

  • Page 51: Field Wiring

    │ Trinity Tft Series Installation and Operation Instructions 11.0 FIELD WIRING All wiring must be in accordance with the Canadian Electrical code, CSA C22.2 and any applicable local codes. Ensure that the wiring complies with this manual. The boiler must be electrically grounded in accordance with the National Electrical Code ANSI/NFPA 70, local codes, and/or the Canadian Electrical Code CSA C22.1.
  • Page 52 │Installation and Operation Instructions Trinity Tft Series Figure 11-1 Line Voltage Field Wiring Table 11-1 Line Voltage Field Connections Connection Location Description Location for connecting line voltage of the power supply. Note; most installation codes (120VAC) require the installation of a service switch to break line voltage to the appliance. PUMP A 120VAC output to the DHW circulator;...
  • Page 53 │ Trinity Tft Series Installation and Operation Instructions Low Voltage Connections Like the line voltage, the low voltage wiring connections to the Trinity Tft are made at the junction box in the control panel located at the bottom of the boiler cabinet. The connections are accessed by removing the front door of the boiler, followed by the removal of the control panel cover.
  • Page 54 │Installation and Operation Instructions Trinity Tft Series Low Voltage Terminals – “R” terminals 2 and 3 of the 24VAC I/O barrier has 24VAC potential from the internal transformer. Do not connect power from this terminal 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.
  • Page 55 │ Trinity Tft Series Installation and Operation Instructions Figure 11-3 DHW Input Contacts (Multiple Boilers)

  • Page 56: Wiring Schematics

    │Installation and Operation Instructions Trinity Tft Series 12.0 WIRING SCHEMATICS Figure 12-1 Tft Connection Diagram...
  • Page 57 │ Trinity Tft Series Installation and Operation Instructions Figure 12-2 Tft Ladder/Logic Diagram...

  • Page 58: Installation Checklist

    │Installation and Operation Instructions Trinity Tft Series 13.0 INSTALLATION CHECKLIST Installation 1. If operating on Propane Gas, convert boiler using appropriate Kit number. See Table 7-1. 2. Locate the boiler in accordance with Section 3.0 of this manual. 3. Install the Vent/Air-inlet piping in accordance with Sections 4.0 and 5.0 of this manual. Ensure all joints are secured and cemented properly.

  • Page 59: Annual Maintenance And Inspection

    Combustion Chamber Cleaning Procedure NTI recommends having the combustion chamber cleaned after the first year of operation, with subsequent cleanings scheduled based on the condition of the combustion chamber at the time. Units operating with LP Gas or in an industrial environment may require more frequent cleanings.
  • Page 60 │Installation and Operation Instructions Trinity Tft Series Refractory Ceramic Fibers (RFC) Personal Protective Equipment Recommended - Read the following warnings and handling instructions carefully before commencing any service work in the combustion chamber. The insulating material on the inside of the burner plate contains Refractory Ceramic Fibers and should not be handled without personal protective equipment.

  • Page 61: Troubleshooting

    │ Trinity Tft Series Installation and Operation Instructions 15.0 TROUBLESHOOTING Observe the following precautions when servicing the boiler. Failure to comply with these may result in fire, property damage, serious injury or death. Servicing the Boiler • Disconnect or shutoff all energy sources to the boiler: 120VAC power, water and gas. •...
  • Page 62 │Installation and Operation Instructions Trinity Tft Series Figure 15-1 Tft Control Panel Fuse “C” ATO 2A 32V Auto Blade Type Fuses “A” and “B” 3AG Control Panel Cover 7A 250 Fast-Acting Control Panel Fuses The Trinity Tft is equipped with three (3) fuses. Check these fuses before replacing the controller or any other electrical component;...
  • Page 63 │ Trinity Tft Series Installation and Operation Instructions System Disconnected If the Touch-screen Display is not blank, but is displaying “System Disconnected!” in the middle of the screen, ensure the 4 by 1 Molex connector, located behind the display at the top, is connected and that the wires are fully inserted (see Figures 15-2 and 15-3).
  • Page 64 Optional Plug In Module (PIM) – The Trinity Tft controller has an optional removable plug in memory module called a PIM (NTI P/N 83998). The PIM is not supplied with the boiler and must be ordered separately if backup and restore options are desired. A copy of the non-safety configuration parameters can be stored (backed-up) to the PIM to be restored at a later date (i.e.
  • Page 65 │ Trinity Tft Series Installation and Operation Instructions Table 15-1 Troubleshooting Chart PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION Lockout 9 – Flame bias out of 4-20mA input being overdriven. If using 4-20mA input, check to ensure current is range not greater than 21mA. Control malfunction Cycle power, if problem returns replace control.
  • Page 66 │Installation and Operation Instructions Trinity Tft Series Table 15-1 Troubleshooting Chart PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION Lockout 88 – Outlet T Rise Insufficient water flow See Lockout 81. limit Hold 91– Inlet sensor fault Sensor disconnected Check sensor connection located on the bottom of the heat exchanger.
  • Page 67 │ Trinity Tft Series Installation and Operation Instructions Table 15-1 Troubleshooting Chart PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION Lockout 113 – Flame circuit A flame circuit shorted to ground Check to ensure condensate drain is not blocked. timeout may show up as a flame circuit Check to ensure no voltage is applied to R &...
  • Page 68 │Installation and Operation Instructions Trinity Tft Series Table 15-1 Troubleshooting Chart PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION Blower not operating Blower signal cable disconnected Verify that the 5-position Molex connector on the wiring harness is securely connected to its mating connector on the blower. Blower power disconnected Verify that the 3-position Molex connector on the wiring harness is securely connected to its mating...
  • Page 69 │ Trinity Tft Series Installation and Operation Instructions Table 15-3 Hold and Lockout Codes Code Description Note Internal fault: Safety relay drive cap short Hold Internal fault: PII shorted to ILK Hold / Lockout Internal fault: HFS shorted to LCI Hold / Lockout Internal fault: Safety relay test failed due to feedback ON Lockout...
  • Page 70 │Installation and Operation Instructions Trinity Tft Series Table 15-3 Hold and Lockout Codes Code Description Note PII OFF Interrupted Airflow Switch OFF Hold Interrupted Airflow Switch ON Hold ILK OFF Hold ILK ON Pilot test hold Hold Wait for leakage test completion Hold 71-77 RESERVED...
  • Page 71 │ Trinity Tft Series Installation and Operation Instructions Table 15-3 Hold and Lockout Codes Code Description Note Fan speed failed during run Hold 133-135 RESERVED Interrupted Airflow Switch failed to close Hold ILK failed to close Hold 138-148 RESERVED Flame detected Hold / Lockout Flame not detected Hold...
  • Page 72 │Installation and Operation Instructions Trinity Tft Series Table 15-3 Hold and Lockout Codes Code Description Note Invalid Main Flame Establishing Period time setting Lockout Invalid MFEP flame failure response setting Lockout Invalid NTC sensor type setting Lockout Invalid Outlet high limit response setting Lockout Invalid Pilot Flame Establishing Period setting Lockout...
  • Page 73 │ Trinity Tft Series Installation and Operation Instructions Table 15-4 Alert Codes Code Description Action/Response Invalid Factory Range PCB was detected Invalid range PCB record has been dropped EEPROM lockout history was initialized Switched application annunciation data blocks Switched application configuration data blocks Configuration was restored from factory defaults Backup configuration settings was restored from active configuration Annunciation configuration was restored from factory defaults...
  • Page 74 │Installation and Operation Instructions Trinity Tft Series Table 15-4 Alert Codes Code Description Action/Response Burner control firing rate was < absolute min rate Burner control firing rate was invalid, % vs. RPM Burner control was firing with no fan request Burner control rate (non-firing) was >...
  • Page 75 │ Trinity Tft Series Installation and Operation Instructions Table 15-4 Alert Codes Code Description Action/Response Manual rate in Standby was > absolute max rate Modulation commanded rate was > CH max modulation rate Modulation commanded rate was > DHW max modulation rate Modulation commanded rate was <...
  • Page 76 │Installation and Operation Instructions Trinity Tft Series Table 15-4 Alert Codes Code Description Action/Response Lead Lag slave enable was invalid Lead Lag hysteresis step time was invalid 190- 203 RESERVED Lead Lag master was suspended due to fault Lead Lag slave was suspended due to fault Lead Lag header temperature was invalid Lead Lag was suspended due to no enabled Program Module installed Lead Lag slave session has timed out...
  • Page 77 │ Trinity Tft Series Installation and Operation Instructions Table 15-4 Alert Codes Code Description Action/Response Abnormal Recycle: Demand off during Measured Purge Time Abnormal Recycle: Demand off during Drive to Light off Rate Abnormal Recycle: Demand off during Pre-Ignition test Abnormal Recycle: Demand off during Pre-Ignition time Abnormal Recycle: Flame was on during Safe Start check Abnormal Recycle: Flame was on during Drive to Purge Rate...
  • Page 78 │Installation and Operation Instructions Trinity Tft Series Table 15-4 Alert Codes Code Description Action/Response Abnormal Recycle: Hardware SLO flame bias range Abnormal Recycle: Hardware SLO flame bias heat Abnormal Recycle: Hardware SLO spark stuck Abnormal Recycle: Hardware SLO spark changed Abnormal Recycle: Hardware SLO static flame Abnormal Recycle: Hardware SLO rod shorted Abnormal Recycle: Hardware SLO AD linearity...
  • Page 79 │ Trinity Tft Series Installation and Operation Instructions Table 15-4 Alert Codes Code Description Action/Response Internal error: EEPROM cycle count address was invalid Internal error: EEPROM days count address was invalid Internal error: EEPROM hours count address was invalid Internal error: Lockout record EEPROM index was invalid Internal error: Request to write PM status was invalid Internal error: PM parameter address was invalid Internal error: PM safety parameter address was invalid...

  • Page 80: Parts List

    │Installation and Operation Instructions Trinity Tft Series 16.0 PARTS LIST For a list of parts that corresponds to the item numbers in the callouts, refer to Table 16-1. Note that some item numbers may appear more than once in the parts list depending on which model number is being referenced. Building Owners - Replacement parts are available from your stocking wholesaler.
  • Page 81 │ Trinity Tft Series Installation and Operation Instructions Figure 16-1(b) Tft Cabinet Cabinet, Vent and Air-Inlet Parts Figure 16-1(c) Tft Controls Electrical Housing, Controller, and Display Module...

  • Page 82: Tft60-110 3

    │Installation and Operation Instructions Trinity Tft Series Figure 16-1(d) Tft Installation Kit Natural to LP Conversion Kit Table 16-1 Parts List: Tft Model Item Part # Description 84541 Premix burner (Tft60-110) 84547 Premix Burner (Tft155-250) 84552 Premix burner (Tft300-399) 84542 Premix Burner Gasket (Tft60-110) 84548 Premix Burner Gasket (Tft155-250)
  • Page 83 │ Trinity Tft Series Installation and Operation Instructions Item Part # Description 84470 Gas Valve Natural Gas Orifice 9.6mm (Tft300-399) 83206 Orifice Gasket (Tft60-399) 82054 Gas Valve (Tft60-250) Gas Valve (Tft300-399) 82989 83870 Ignition Electrode, Dual – c/w gasket 82774 Flame Rod Gasket 82600 Gas Valve Regulator Vent Adapter...
  • Page 84 │Installation and Operation Instructions Trinity Tft Series Item Part # Description 82099 1 ½” MJ Coupling (Tft60-250) 83951 2" MJ Coupling (Tft300-399) 84557 Air-inlet Assembly (Tft60-110) 84558 Air-inlet Assembly (Tft155-250) 84559 Air-inlet Assembly (Tft300-399) 84432 Flue Outlet Adapter, SS, 3” (Tft60-110) 84438 Flue Outlet Adapter, SS, 3”...
  • Page 85 │ Trinity Tft Series Installation and Operation Instructions Item Part # Description 82253 Torx Allen Key (Tft60-250) (Included in Kit 82650-1 w/ Tft60-250) 83955 Lower Wall Mount Bracket 82913 Condensate Trap 84560 Top Panel (Tft60-110) 84561 Top Panel (Tft155-255) 84562 Top Panel (Tft300-399) 84563 Top Panel Access Cover (Tft60-110)
  • Page 86 │Installation and Operation Instructions Trinity Tft Series NOTES...
  • Page 87 │ Trinity Tft Series Installation and Operation Instructions NOTES...
  • Page 88 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...

This manual is also suitable for:

Trinity tft tft60Trinity tft tft85Trinity tft tft110Trinity tft tft155Trinity tft tft175Trinity tft tft200 ... Show all

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