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Triad TRIUMPH Series Manual

Gas-fired high-efficiency boilers
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GAS-FIRED HIGH-EFFICIENCY BOILERS
Installation Date:
______________________
TRIAD Boiler Systems, Inc.
1099 Atlantic Drive, Unit 2
West Chicago, IL 60185
Phone: 630.562.2700
Fax: 630.562.2800
www.triadboiler.com
Version 1.0 / 5-19-10
TRIUMPH SERIES
Models:
T300
•
T399
•
T425
•

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Summary of Contents for Triad TRIUMPH Series

  • Page 1 TRIUMPH SERIES GAS-FIRED HIGH-EFFICIENCY BOILERS Models: T300 • T399 • T425 • Installation Date: ______________________ TRIAD Boiler Systems, Inc. 1099 Atlantic Drive, Unit 2 West Chicago, IL 60185 Phone: 630.562.2700 Fax: 630.562.2800 www.triadboiler.com Version 1.0 / 5-19-10...

  • Page 3: Table Of Contents

    Air For Ventilation Venting Vent System Design Removing An Existing Boiler From Common Chimney Vent Adapter Installation Assembly of Stainless Steel Venting System Triad Concentric Venting Assembly Condensate Trap & Drain Line VII. Gas Piping VIII. System Piping General System Piping Precautions...

  • Page 4: Product Description

    I Product Description The TRIUMPH is an aluminum gas fired condensing boiler designed for use in forced hot water heating systems requir- ing supply water temperatures of 180°F or less. This boiler may be vented vertically or horizontally with combustion air supplied from outdoors.

  • Page 5: Before Installing

    III Before Installing 1) Safe, reliable operation of this boiler depends upon installation by a professional heating contractor in strict accordance with this manual and the authority having jurisdiction. • In the absence of an authority having jurisdiction, installation must be in accordance with this manual and the National Fuel Gas Code, ANSI Z223.1.
  • Page 6 Figure 4.1: Clearances To Combustible Or Non-combustible Material Table 4.2: Clearances From Vent Piping To Combustible Construction MINIMUM CLEARANCE TO COMBUSTIBLE TYPE OF VENT PIPE PIPE DIRECTION ENCLOSURE MATERIAL HEAT FAB SAF-T VENT AT LEAST ONE SIDE OPEN, PROTECH FASNSEAL VERTICAL OR 1”...

  • Page 7: Air For Ventilation

    6) The combustion air piping must terminate where outdoor air is available for combustion and away from areas that will contaminate combustion air. Avoid areas near chemical products containing chlorine, chloride based salts, chloro/fluorocarbons, paint removers, cleaning solvents and detergents. WARNING OUTDOOR COMBUSTION AIR MUST BE PIPED TO THE AIR INTAKE.
  • Page 8 Figure 5.1: Boiler Installed In A Confined Space, Ventilation Air From Inside • If the total volume of both the boiler room and the room to which the openings connect is less than 50 cubic feet per 1000 BTU/hr of total appliance input, install a pair of identical openings into a third room. Connect addi- tional rooms with openings until the total volume of all rooms is at least 50 cubic feet per 1000 BTU/hr of input.

  • Page 9: Venting

    For example“100/150mm” pipe consists of a 100mm exhaust pipe inside a 150mm diameter outer pipe. A list of all Triad concentric vent components is shown in Table 6.10. The T399 and T425 are supplied with stainless steel vent collar and a separate air intake collar for twin pipe venting.
  • Page 10 4) Permitted Terminals for Horizontal Venting (Vent Options 1,2&3) • Vent Option 1, 2 & 3 - Exhaust terminal is either Triad PN 240513 (4” vent systems) or PN 240514 (5” vent systems). The air intake terminal is a 90 degree elbow with a rodent screen supplied by the installer. This elbow is made out of the same material as the rest of the air inlet system (either galvanized or PVC) and is installed as shown in Figure 6.2.
  • Page 11 100FT T399 100FT T425 100FT T300 100FT N.R. 100FT T399 100FT T425 100FT TRIAD PN TRIAD PN VENT TERMINAL TRIAD 230569 204513 240514 CONCENTRIC TERMINAL AIR INTAKE TERMINAL 4” 90 ELBOW 5” 90 ELBOW TRIAD APPROVED VENT SYSTEM VENT MATERIAL 100/150mm SHOWN IN TABLE 6.4...
  • Page 12 FIGURE 6.2: HORIZONTAL TWIN PIPE VENTING (VENT OPTIONS 1,2,3) FIGURE 6.3: HORIZONTAL CONCENTRIC VENTING, T300 ONLY (VENT OPTION 4)
  • Page 13 90 degree elbows) with a rodent screen as shown in Figure 6.8. Vent Option 10 – Use Triad PN 230570 with the appropriate flashing (Table 6.10). 7) Vertical Vent Terminal Locations (Vent Options 7,8,9&10) - Observe the following limitations on the location of all vertical vent terminals (see Figures 6.8 &...
  • Page 14 23 FT 100 FT T425 23 FT 100 FT RODENT SCREEN BY VENT SYSTEM MANUFACTURER. EXHAUST TERMINAL TRIAD 230570 SAME DIAMETER AS VENT SYSTEM. SEE TABLE 6.4. CONCENTRIC TERMINAL AIR INTAKE TERMINAL 4” 180 ELBOW 5” 180 ELBOW 5” 180 ELBOW...
  • Page 15 FIGURE 6.7a: LOCATION OF VENT TERMINAL RELATIVE TO WINDOWS, DOORS, GRADE FIGURE 6.7b: LOCATION OF VENT TERMINAL RELATIVE TO METERS AND FORCED AIR INLETS FIGURE 6.7c: POSITIONING VENT TERMINAL UNDER OVERHANGS...
  • Page 16 FIGURE 6.8: VERTICAL TWIN PIPE SYSTEM (VENT OPTIONS 7,8 & 9) FIGURE 6.9: VERTICAL CONCENTRIC SYSTEM, T300 ONLY (VENT OPTION 10)
  • Page 17 10) Supporting Pipe - Vertical and horizontal sections of pipe must be properly supported: • Support Triad concentric venting near the female end of each straight section of pipe. Exception: Vertical runs of concentric pipe in an unused chinmey (Figure 6.22) need only be supported at the terminal and at the base of the run.

  • Page 18: Removing An Existing Boiler From Common Chimney

    B. Removing an Existing Boiler From a Common Chimney Read this only if the TRIUMPH boiler is replacing an existing boiler that is being removed from a common chimney. In some cases, when an existing boiler is removed from a common chimney, the common venting system may be too large for the remaining appliances.

  • Page 19: Vent Adapter Installation

    . Vent Adapter Installation 1) Stainless Vent Adapter Installation - The stainless vent adapter and air intake collar are shipped loose and must be installed on the boiler before the vent system can be attached to the boiler. (see Fig. 6.11) a) Place the orange silicone rubber gasket over the male end of the stainless vent adapter and line the hole pattern up with the hole pattern on the flange of the stainless vent adapter.
  • Page 20 FIGURE 6.11: TWIN PIPE ADAPTER ASSEMBLY (VENT OPTIONS 1,2,3,7,8&9) FIGURE 6.12: CONCENTRIC VENT ADAPTER ASSEMBLY (VENT OPTIONS 4&10)

  • Page 21: Assembly Of Stainless Steel Venting System

    D. Assembly of Stainless Steel Venting System 1) General Assembly Notes: a) Where the use of “silicone” is called for in the following instructions, use GE RTV 106 for the vent collar. Air inlet piping sections are sealed with any general-purpose silicone sealant such as GE RTV102. PVC air inlet piping sections are connected with PVC cement.
  • Page 22 3) Assembly of Z-Flex Z-Vent Single Wall: a) General Notes: • Non-expanded ends of Z-Vent Single Wall piping sections may be cut using aviation snips or a 24 thread per inch hacksaw. File or sand the cut end smooth before assembling. Expanded ends may be cut to adapt the Z-Vent to the boiler vent collar.
  • Page 23 4) Assembly of Heat Fab Saf-T Vent EZ Seal: a) Saf-T Vent General Notes: These instructions cover the installation of Saf-T Vent EZ Seal. Saf-T Vent EZ Seal piping has integral gaskets installed in the female ends of the pipe which seal the joints. •...
  • Page 24 6) Installation of Horizontal Exhaust Terminal: a) When stainless steel venting is used, use either Triad stainless exhaust terminal PN 240508 (4” vent systems) or PN 240509 (5” vent systems). The outer edge of this terminal must be within 12 inches of the surface of the wall. The joint between the terminal and the last piece of pipe must be outside of the building.

  • Page 25: Triad Concentric Venting Assembly

    Figure 6.8. g) Install a rodent screen (not supplied) in the inlet terminal. Use a screen having 1/2” (2 x 2) or larger mesh. E. Triad Concentric Venting Assembly WARNING Failure to follow the instructions could result in flue gas leakage into the combustion air or indoor air, resulting in unsafe or unreliable operation.
  • Page 26 FIGURE 6.17b: NON CUTTABLE STRAIGHT SECTION a) Determine the required length of the outer pipe. When doing this allow an additional 1” of length for insertion into the female end of the adjoining pipe. Mark the cut line on the outer pipe. b) Remove the plastic inner pipe by pulling it out from the female end.
  • Page 27 3) Joining Pipe - a) Start assembly of the vent system at the boiler. Lubricate the brown gasket in the boiler vent collar with a few drops of water. b) Push the male end of the first fitting into the boiler collar until it bottoms out. The male end of cuttable sections should go 1”...
  • Page 28 4) Horizontal Terminal Installation a) Cut a 6-1/2” diameter hole for the 100/150 terminal through the exterior wall at the planned location of the horizontal terminal. b) Measure distance “L” from the outside surface of the exterior wall to the end of the last fitting as shown in Figure 6.20a.
  • Page 29 FIGURE 6.20c: CUTTING INNER PIPE OF HORIZONTAL TERMINAL FIGURE 6.20d: COMPLETING HORIZONTAL TERMINAL INSTALLATION...
  • Page 30 6) Vertical Terminal Installation - In addition to the vertical terminal, either a Flat Roof Flashing (100/150 PN 230571) or Sloped Roof Flashing (100/150 PN 230572) is required for this installation. a) Determine the center line of the terminal location on the roof. If the roof is flat, cut a 6-1/2” diameter hole for the 100/150 terminal.
  • Page 31 FIGURE 6.21b: CUTTING VERTICAL TERMINAL FIGURE 6.21c: COMPLETING VERTICAL TERMINAL INSTALLATION...
  • Page 32 WARNING • Do not attempt to construct a vertical vent system inside a chimney that is used to vent a fireplace or other appliances. • Do not attempt to construct a vertical vent system inside a chimney flue adjacent to another flue used by a fireplace or other appliances.

  • Page 33: Condensate Trap & Drain Line

    F. Condensate Trap & Drain Line All condensate which forms in the boiler and vent system collects in both the sump under the heat exchanger and the vent adapter (either stainless or concentric vent adapters) and leaves the boiler through the condensate trap. This trap allows condensate to drain from the sump and the vent adapter while retaining flue gases in the boiler.
  • Page 34 FIGURE 6.23: CONDENSATE PIPING ARRANGEMENT...

  • Page 35: Gas Piping

    VII Gas Piping Gas piping to the boiler must be sized to deliver adequate gas for the boiler to fire at the nameplate input at an inlet pressure between the minimum and maximum values shown on the rating plate. For more information on gas line sizing, consult the utility or the National Fuel Gas Code.

  • Page 36: System Piping

    VIII System Piping A. General System Piping Precautions WARNING INSTALL BOILER SO THAT THE GAS IGNITION SYSTEM COMPONENTS ARE PROTECTED FROM WATER (DRIPPING, SPRAYING, RAIN, ETC) DURING APPLIANCE OPERATION AND SERVICE (CIRCULATOR REPLACEMENT, ETC). CAUTION THE HEAT EXCHANGER USED IN THE TRIUMPH IS MADE FROM A SPECIAL ALUMINUM ALLOY. FAILURE TO TAKE THE FOLLOWING PRECAUTIONS COULD RESULT IN SEVERE BOILER DAMAGE.
  • Page 37 Method 1: Primary/Secondary Piping This method can be used in heat-only applications as shown in Figure 8.2 or with an indirect water heater as shown in Figure 8.3. This method relies on primary/secondary pumping to ensure that the required flow is always maintained through the boiler.
  • Page 38 Figure 8.2: Piping Method #1 - Heat Only Example – Assume that a T300 is to be installed in a heating system along with an indirect water heater as shown in Figure 8.3. A total of 15 ft of straight pipe will be installed between the boiler and the primary loop. A total of 25 ft of straight pipe will be installed between the boiler and the indirect water heater.
  • Page 39 Table 8.7 shows pump/piping sizing guidelines for up to two of Triad’s indirect water heaters. Measure the length of the I.W.H. loop to the furthest indirect water heater. When figuring the equivalent length, do not count the two Tees in the indirect water heater manifold.
  • Page 40 Figure 8.4a: Piping Method #1 - Secondary Loop Piping (Shaded) Figure 8.4b: Piping Method #1 - Indirect Water Heater Loop Piping (Shaded)
  • Page 41 TABLE 8.5: PIPE AND CIRCULATOR SIZING FOR BOILER LOOP BOILER LOOP TEMP BOILER MODEL PIPE SIZE FLOW MAX EQUIVALENT CIRCULATOR RISE LENGTH MODEL (in NPT) (GPM) (ft) T300 1-1/2 15.0 Taco 0010 T300 1-1/2 15.0 Taco 0012 T300 1-1/2 20.0 Taco 0012 T300 20.0...
  • Page 42 TABLE 8.7: PIPE AND CIRCULATOR SIZING FOR INDIRECT WATER HEATER LOOP INDIRECT WATER HEATER REQUIREMENTS I.W.H. I.W.H. I.W.H. I.W.H. I.W.H. BRANCH LOOP BOILER LOOP FLOW PRESS. DROP CIRC. PIPE MAX EQ. PASS MODEL NOT EXCEEDING NOT EXCEEDING MODEL SIZE LENGTH REQ’D? (in NPT) (GPM)
  • Page 43 Figure 8.8: Piping Method #1 - Piping Multiple Indirect Water Heaters TABLE 8.9: MAXIMUM ALLOWABLE D.H.W. FIRING RATE (Inputs in Bold are Factory Settings) MAX. BOILER FLOW THROUGH BOILER DURING ALLOWABLE ALLOWABLE D.H.W. BOILER CALL FOR D.H.W. (GPM) D.H.W. FIRING D.H.W.
  • Page 44 Pressure drop curves for the TRIUMPH Series boilers are shown in Figure 8.11. Calculation of the system pressure drop, and selection of the circulator, must be performed by someone having familiarity with pressure drop calculations, such as an HVAC engineer.

  • Page 45: Standard Piping Installation Requirements

    10.00 8.00 T300 6.00 4.00 T399 & 425 2.00 0.00 Flow (GPM) Figure 8.11: Boiler Head Loss C: Standard Piping Installation Requirements Observe the following guidelines when making the actual installation of the boiler piping: 1) The relief valve, low water cut-off (LWCO), and boiler drain are mounted in special fittings that are attached to the boiler supply and return connections using groove couplings as shown in Figure 2.1.

  • Page 46: Piping For Special Situations

    3) Circulator (Required) - Usually at least two circulators will be required to properly install a TRIUMPH Series boiler. See previous section (System Design) for information on sizing the circulators. 4) Expansion Tank (Required) - If this boiler is replacing an existing boiler with no other changes in the system, the old expansion tank can generally be reused.
  • Page 47 Figure 8.12: Isolation of the Boiler From Oxygenated Water with A Plate Heat Exchanger Figure 8.13: Chiller Piping...

  • Page 49: Wiring

    IX Wiring WARNING All wiring and grounding must be done in accordance with the authority having jurisdiction or, in the absence of such requirements, with the National Electrical Code (ANSI/NFPA 70). 1) Line Voltage (120 VAC) Connections (Fig 9.1) – The line voltage connections are located in the junction box on the right side of the vestibule: •...
  • Page 51 Figure 9.2: Ladder Diagram...
  • Page 52 Figure 9.3: Wiring of Isolation Relay for Control of Two Heating Circulators 5) A 0-10 VDC external analog control signal installed across terminals 10 and 11 can be used to either adjust the boiler water setpoint or to control the firing rate. Refer to the 0-10VDC control manufacturer’s instructions for the size and type of wire to use for the 0-10VDC connections between the external control and the boiler.

  • Page 53: Start-Up And Checkout

    X Start-up and Checkout NOTE SAFE LIGHTING AND OTHER PERFORMANCE CRITERIA WERE MET WITH THE GAS TRAIN ASSEMBLY PROVIDED ON THE BOILER WHEN THE BOILER UNDERWENT THE TEST SPECIFIED IN Z21.13. Use the following procedure for initial start-up of the boiler: 1) If not already done, flush the system to remove sediment, flux, and traces of boiler additives.
  • Page 54 5) Other Antifreezes and Boiler Additives - Do not add other additives unless they are specifically approved in writing by Triad for use with this boiler. This includes other “aluminum safe” antifreezes. 6) System pH - Maintain the pH in the system between 6.5 and 8.5.
  • Page 55 Triumph Series Lighting and Operating Instructions FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. • This appliance does not have a pilot. It is...
  • Page 56 7) Start the boiler using the lighting instructions on page 53. After the boiler is powered up, it should go through the following sequence. Sequence Display Meaning U.126 or Blank Checking internal software (power-up only) 0.SWT Boiler in standby. = Supply Water Temp. No call for heat. (After call for heat from heating thermostat) A.SWT Self-Check on Start-up...
  • Page 57 Figure 10.2: Dungs Gas Valve Detail 11) Perform a combustion test. The flue gas sample may be drawn from any of the following points: a) All stainless steel vent adaptors are equipped with a combustion test port b) The optional concentric vent adaptor used with the T300 has no test port, but a sample can be drawn from the condensate drain connection on the bottom of the adaptor.
  • Page 58 Propane 10.2 WARNING EACH TRIUMPH SERIES BOILER IS TESTED AT THE FACTORY AND ADJUSTMENTS TO THE AIR-FUEL MIXTURE ARE NORMALLY NOT NECESSARY. CONSULT A TRIAD REPRESENTATIVE BEFORE ATTEMPTING TO MAKE ANY SUCH ADJUSTMENTS. IMPROPER GAS VALVE OR MIXTURE ADJUSTMENTS COULD RESULT IN PROPERTY...

  • Page 59: Operation

    XI Operation 1) The TRIUMPH boiler uses a microprocessor based control, known as a “MCBA”, to manage all boiler functions including flame supervision and modulation. Two set point or “target” boiler supply temperatures are stored in the MCBA’s memory; one for space heating and one for domestic water production. If an outdoor tempera- ture sensor is connected to the boiler, the space heating supply set point will automatically adjust downwards as the outdoor temperature increases.
  • Page 60 In standby mode, it is possible to view both the heating supply set point temperature and the “domestic hot water reference set point”. The “domestic hot water reference set point” plus 45°F equals the boiler supply set point when it is responding to a call from the indirect water zone. It is not the actual domestic hot water set point. The TRIUMPH is designed for use with a storage type indirect water heater.
  • Page 62 3) Two basic types of errors codes are shown on the display: • Soft Lockout Codes – When a soft lockout occurs, the boiler will shut down and the display will alter- nate between the number “9” and the letter “b” followed by a two digit service code. A list of these codes, and their meanings, is shown in Table 11.3.
  • Page 63 Figure 11.4: Outdoor Reset Curve 7) The sequence of operation for a TRIUMPH series boiler on a call for heat from a thermostat is as described below: a) When power is first turned on, 120V is provided to the MCBA, the combustion fan and the LWCO trans- former.

  • Page 64: Service And Maintenance

    If the yellow light does not come on, determine why the low water cutoff is not working properly. Follow the procedure for turning the boiler off found in the TRIUMPH Series Lighting and Operating Instructions. Inspect the wiring to verify the conductors are in good condition and attached securely.
  • Page 65 Remove the ignition electrode and inspect it for oxides. Clean the oxides off the electrode with steel wool. Inspect the ceramic insulator for cracks and replace the ignitor assembly as necessary. Remove the combustion fan/gas valve assembly and inspect the fan and fan blade for lint and dust. Vacuum as required.

  • Page 66: Troubleshooting

    XIII. Troubleshooting WARNING TURN OFF POWER TO BOILER BEFORE REPLACING FUSES OR WORKING ON WIRING. A. Troubleshooting problems where no error code is displayed: Table 13.1: No Error Code Displayed CONDITION POSSIBLE CAUSES • No 120VAC Power at boiler. Check breaker and wiring Display Blank, Fan off, LWCO lights off between breaker panel and boiler • Loose 120VAC connection wiring between boiler J-Box and MCBA...
  • Page 67 B. Trouble shooting problems where a soft lockout code is displayed. When a soft lockout occurs, the boiler will shut down and the display will alternate between the number “9” and the letter “b” followed by a two digit service code. The boiler will automatically restart once the condition that caused the lockout is corrected. Table 13.3: Soft Lockout Codes Displayed CODE CONDITION...
  • Page 68 C. Trouble shooting problems where a hard lockout code is displayed. When a hard lockout occurs, the boiler will shut down and the display will flash the letter “E” followed by a two digit service code. Once the condition that caused the lockout is corrected, the boiler will need to be manually reset using the RESET button on the display.
  • Page 69 PAGE INTENTIONALLY LEFT BLANK...

  • Page 70: Parts

    XIV Parts The following parts may be obtained from any Triad distributor. To find the closest Triad distributor, consult the area Triad representative or the factory at: TRIAD Boiler Systems, Inc. 1099 Atlantic Drive, Unit 2 West Chicago, IL 60185 Phone: 630.562.2700...
  • Page 74 PARTS LIST T300 T399 T425 DESCRIPTION TRIAD TRIAD TRIAD QUANTITY QUANTITY QUANTITY PART # PART # PART # Heyco 2" Window 900723 900723 900723 Console 240333 240333 240333 3/16 x 1/2 Slic Pin 230200 230200 230200 Nylon Spacer, #10 x 0.125...
  • Page 77 PARTS LIST T300 T399 T425 DESCRIPTION TRIAD TRIAD TRIAD QUANTITY QUANTITY QUANTITY PART # PART # PART # Display Harness Seal 240520 240520 240520 Gauge 230100 230100 230100 Test Port Plug 900740 900740 900740 #10 x 1/2 Truss Head Sheet Metal Screw...
  • Page 80 PARTS LIST T300 T399 T425 DESCRIPTION TRIAD TRIAD TRIAD QUANTITY QUANTITY QUANTITY PART # PART # PART # M5 x 25mm, Stud 900002 M8 x 40mm, Stud 900031 900031 Combustion Blower Flange Gasket 240001 240531 240531 Combustion Air Blower 240000...
  • Page 81 PARTS LIST T300 T399 T425 DESCRIPTION TRIAD PART TRIAD PART TRIAD PART QUANTITY QUANTITY QUANTITY Nipple, Pressure Measuring, G1/8" 240910 240910 240910 M6 x 1.0, Captive Washer Hex Nut 240905 240905 240905 Burner Hood 240053 240070 240070 Burner Air Distributor Plate...

  • Page 86: Appendix A. Boiler Operating Parameters

    Triad has tried to program parameters into the MCBA at the factory that will result in satisfactory operation under most conditions. Because all systems are different, however, there are a few situations where boiler operation may be en- hanced by adjusting a few of these parameters in the field.

  • Page 87: Changing Parameters

    keys being pressed, access to the expanded menu will end and the access code will need to be reentered to regain access to parameters 5-42. C. Changing Parameters 1) Toggle the Mode key until you reach (PARA) Parameter mode. 2) Press the Step key to scroll through the parameters until you reach the desired parameter number. 3) Use the + or –...
  • Page 88 FIGURE A.1: EXPANDED MENU TREE FIGURE 1.1: EXPANDED MENU TREE USE MODE KEY TO TOGGLE BETWEEN MODES (Mode returns to Standby from other modes if no key is pressed for 20 min.) STANDBY MODE PARAMETER MODE INFORMATION MODE StbY PArA INFO Use of Keys Use of Keys...
  • Page 89 FIGURE A.1: EXPANDED MENU TREE FIGURE 1.1: EXPANDED MENU TREE (cont.) USE MODE KEY TO TOGGLE BETWEEN MODES (Mode returns to Standby from other modes if no key is pressed for 20 min.) COMMUNICATION MODE W/ RMCI FANSPEED MODE ERROR MODE (History) CONN ErrO Use of...

  • Page 90: Field Adjustable Parameters

    D. Field Adjustable Parameters Table A.3 is a list of the parameters that can be adjusted in the field. Although it is physically possible to adjust all of these parameters, the parameters that are shaded gray should not need to be adjusted in the field. In the event that these parameters are changed by accident, they may be restored to their original factory values by referring to Table A.5.
  • Page 91 Table A.3: Parameter Descriptions DESCRIPTION PURPOSE Factory set to 134°F. This value plus 46°F equals the target supply water temperature when T3set DHW the boiler responds to a call from the indirect water heater thermostat. With 134°F factory setting, target supply temperature is 180°F when boiler is responding to a call for DHW. DHW system Factory set to "ON".

  • Page 92: Communication, Fan Speed And Error Modes

    4) Maximum Input when Responding to a Call for DHW – Parameters 15/16 define the maximum fan speed (and therefore the maximum firing rate) when the boiler is responding to a call for heat from the DHW thermostat. Parameter 15 defines the “thousands” and “hundreds” places of this fan speed and Parameter 16 defines the “tens” and “ones”...
  • Page 93 Table A.5: Factory Parameter Settings T300, 399 & 425 Factory setting DESCRIPTION T300 T399 T425 T3set DHW 1 (On) DHW system 1 (On) CH system T1top CH Mode T1foot CH Mode T4 minimum T4 maximum T4 frost protection T4 correction Tblocking Booster time Tparallel shift...

  • Page 94: Appendix B. Component Test Procedures

    Appendix B: COMPONENT TEST PROCEDURES A. Flame Signal Check 1) The flame signal can be checked between terminal number 9 on the low voltage terminal strip and ground. A good signal reading should be 6 VDC or greater. 2) If the signal is lower than 6 VDC, check the continuity of the ground wire between the ignitor and the junction box. If the ground wire is suspect, replace the ground wire.
  • Page 95 Table B.1: NTC Sensor Resistance Sensor Resistance Values Minimum Value Nominal Value Maximum Value Temperature (°F) (Ohms) (Ohms) (Ohms) 82304 89767 97227 71959 78310 84663 62144 67449 72755 53074 57443 61814 46557 50262 53966 40650 43770 46890 35665 38312 40960 33669 36129 38590...

  • Page 96: Appendix C. Special Requirements For Side-Wall Vented Appliances In The Commonwealth Of Massachusetts

    Appendix C: Special Requirements For Side-Wall Vented Appliances In The Commonwealth of Massachusetts IMPORTANT The Commonwealth of Massachusetts requires compliance with regulation 248 CMR 4.00 and 5.00 for installation of side-wall vented gas appliances as follows: (a) For all side wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or in part for residential purposes, including those owned or operated by the Commonwealth and where the side wall exhaust vent termination is less than seven (7) feet above finished grade in the area of the venting, includ- ing but not limited to decks and porches, the following requirements shall be satisfied:...
  • Page 97 TRIAD Boiler Systems, Inc. 1099 Atlantic Drive, Unit 2 West Chicago, IL 60185 Phone: 630.562.2700...

This manual is also suitable for:

Triumph t300Triumph t399Triumph t425

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