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TriangleTube Delta Installation And Maintenance Manual

Modulating gas fired combination heaters
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The
Modulating
Modulating
Modulating Gas Fired
Combination Heaters
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Warranty Registration Card must be filled out by the customer and mailed within thirty (30) days of installa-
NOTICE
tion in order to gain warranty coverage.
When receiving the Delta Performance appliance, any claims for damage or shortage in shipment must be
filed immediately against the transportation company by the consignee.
Leave all documentation received with appliance with owner for future reference.
If the information in this manual is not followed exactly, a fire or explosion may
WARNING
result causing property damage, personal injury or death.
• Do not store or use gasoline or other flammable vapors and liquids in the vicinity of
this or any other appliance.
• WHAT TO DO IF YOU SMELL GAS
- Do not try to light any appliance
- Do not touch any electrical switch; do not use any phone in your building.
- Immediately call your gas supplier from a neighbor's phone. Follow the gas
- If you cannot reach your gas supplier, call the fire department.
Installation and service must be performed by a qualified installer, service agency or the
gas supplier.
Date: 5/2/06
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FOR YOUR SAFETY
supplier's instructions.
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2005-44 Manual Modulating Delta

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Summary of Contents for TriangleTube Delta

  • Page 1 NOTICE tion in order to gain warranty coverage. When receiving the Delta Performance appliance, any claims for damage or shortage in shipment must be filed immediately against the transportation company by the consignee. Leave all documentation received with appliance with owner for future reference.
  • Page 2 DANGER The MODULATING DELTA must be vented and supplied with combustion and ventilation air as detailed in the MODULATING DELTA Vent Supplement, which is included in the installation envelope. Once installation is completed, inspect the vent and combustion air system thoroughly to ensure...

  • Page 3: Table Of Contents

    Table of Contents PRODUCT AND SAFETY INFORMATION Definitions........... 1 Product Warnings .
  • Page 4 Table of Contents SECTION IV - PRIMARY PIPING General Piping Requirements Pressure Relief Valve ........14 Low Water Cut-off Device .
  • Page 5 Table of Contents SECTION VIII - START-UP PREPARATION Check System and Domestic Water Chemistry Water pH Level 6.0 to 8.0 ....... . 32 Water Hardness Less Than 7 Grains.
  • Page 6 Table of Contents SECTIONS XII - MAINTENANCE SCHEDULE Service Technician - General ........48 Owner Maintenance .

  • Page 7: Product And Safety Information

    Product & Safety Information The following terms are used throughout this manual to bring attention to the presence of potential hazards or to important information concerning the product. NOTICE DANGER Indicates special instructions on installa- Indicates the presence of a hazardous tion, operation or maintenance, which situation which, if ignored, will result in are important to equipment but not...

  • Page 8: Product Warnings

    Product & Safety Information DANGER WARNING Do not use this appliance if any part Should overheating occur or the gas has been under water. Immediately call supply fails to shut off, turn OFF the a qualified service technician to inspect manual gas control valve external to the appliance and to replace any part of the appliance.
  • Page 9 Product & Safety Information WARNING CAUTION Bacteria can develop in the domestic Protection must be taken against excessive temperature and pressure! water system if certain minimum water temperatures are not maintained. TO PROTECT AGAINST EXCESSIVE TEMPERATURE AND PRESSURE DANGER • Check if the Temperature and Pressure (T&P) relief valve is in the Water temperature over 125ºF can cause...

  • Page 10: Operating Restrictions

    • Maximum working pressure for inner Single wall heat exchanger in the MODU- (domestic water) tank is 150 psig. LATING DELTA complies with National Standard Plumbing Code, provided that: • Maximum working pressure for outer (primary water) tank is 45 psig.

  • Page 11: Section I - Pre-Installation Items

    Heater • For installations in Canada -“Installation Code for Gas Burning Equipment” CSA If the MODULATING DELTA is replacing an B149 and CSA C22.1, Canadian existing boiler / hot water heater system, the Electrical Code. following items should be checked and correct-...

  • Page 12: Flooring And Foundation

    Mount the appliance with a minimum When installing the MODULATING 18 inches above the floor level of the DELTA in a confined space, sufficient air garage. Ensure the burner and ignition must be provided for proper combustion devices / controls are no less than 18 and venting and to allow under normal inches above the floor level.

  • Page 13: Section Ii - Appliance Preparation

    Remove the front burner hood to pre- vent damage prior to lifting the appli- Handling Instructions ance from the shipping pallet. The MODULATING DELTA is generally easi- WARNING er to handle and maneuver once removed from When lifting or moving the appliance do the shipping carton and pallet.

  • Page 14: Section Iii - Domestic Piping

    Temperature / Pressure Relief Valve If the cold water supply to the domestic inner tank contains a backflow preventer, The MODULATING DELTA has a factory check valve and / or a pressure reducing installed Temperature / Pressure Relief valve, the installer must install a domestic valve.

  • Page 15: Thermostatic Mixing Valve

    Thermostatic Mixing Valve domestic system piping and tighten using two wrenches to avoid pipe damage. The MODULATING DELTA contains a facto- ry equipped thermostatic mixing valve with U-Tube Assembly built-in check valve. The operating range of the thermostatic mixing is 90ºF to 120ºF.

  • Page 16: Domestic Drain Valve

    For applications requiring large volumes of installed and utilized on the MODU- domestic hot water in a relative short period, LATING DELTA. Removal of the ther- the installer may include a storage type tank mostatic mixing valve will result in (see Fig.

  • Page 17: Tr/Smart Series Application

    Triangle Tube SMART Indirect Water Heater in conjunction Additional information regarding domestic and with the MODULATING DELTA. (See Fig. 6 primary piping can be found in the SMART page 13) Installation Manual.
  • Page 18 Cold water inlet Note: All shut off valves shown in this figure must be Fig. 3: MODULATING DELTA closed when siphon draining With Recirculation the MODULATING DELTA To dishwashe Optional Recirculation Line permitted by Optional 12" Heat trap Cold water inlet Fig.
  • Page 19 Optional recirculation line Optional 12" Heat trap To dishwasher if Cold water permitted by codes inlet Fig. 5 : MODULATING DELTA with Storage Tank Optional recirculation line Optional 12" Heat trap To dishwasher if Cold water permitted by codes inlet Fig.

  • Page 20: Section Iv - Primary Piping

    Low Water Cut Off Install unions for easy removal of the MOD- device. ULATING DELTA from the system piping. The minimum operating system pres- Pressure Relief Valve sure allowable with this device is 10 psig.

  • Page 21: Backflow Preventer

    MODULAT- To prevent potential outer tank failure, ING DELTA and plug the connection. the primary system piping must be a “closed” loop system to avoid any oxygen contamination of the primary water.

  • Page 22: Circulator

    MODULAT- perature to the MODULATING DELTA. ING DELTA should not be used for a heat zone. It must supply only the primary loop. NOTICE Install a separate circulator for each zone of space heating.

  • Page 23: System Piping - Multiple Appliances Installation

    To ensure adequate flow rate through the failure of the appliance and it’s burner MODULATING DELTA, maintain a minimum 1 inch diameter on the system system resulting in severe personal injury, death or substantial property piping connecting the appliance to and damage.
  • Page 24 Primary Piping Fig. 7: Primary Piping - Zoning with Zone Valves...
  • Page 25 Primary Piping Fig. 8: Primary Piping - Zoning with Zone Valves - Preferred Piping...
  • Page 26 Cold Water Fill Note 2 & 3 Fig. 9: Primary Piping - Zoning with Circulators 1. Modulating Delta 6. Air Separator 11. Bypass Valve 2. Pressure Relief Valve 7. Expansion Tank - Diaphragm 12. Flow Check Valve 3. Automatic Air Vent 8.
  • Page 27 Primary Piping Fig. 10: Primary Piping - Zoning with Circulators - Multiple Appliances...

  • Page 28: Section V - Gas Piping

    MODULAT- valve. Use one wrench to prevent the gas ING DELTA gas train as shown in Fig. valve line connection from turning and the second to tighten adjacent piping.

  • Page 29: Natural Gas

    13”w.c maximum. 1. Refer to Table 1 for pipe length and diame- ter requirements. Based on rated MODU- LATING DELTA input (divide by 1,000 to WARNING obtain cubic feet per hour). DO NOT adjust or attempt to measure Table 1 is based on Natural Gas with a gas valve outlet pressure.

  • Page 30: Propane Gas

    Gas Piping PROPANE GAS WARNING Pipe Sizing - Propane Gas DO NOT adjust or attempt to measure gas valve outlet pressure. The gas valve 1. Contact the local propane gas supplier for is factory-set for the correct outlet pres- recommended sizing of piping, tanks and sure.

  • Page 31: Section Vi - Internal Wiring

    90ºC wire or equivalent. supply to the appliance before servicing or making any electrical connections to The MODULATING DELTA must be avoid possible electric shock hazard. electrically grounded as required by Failure to do so can cause severe person- National Electrical Code ANSI/NFPA al injury or death.

  • Page 32: Wiring Diagram

    Internal Wiring Fig. 13: Wiring Diagram...

  • Page 33: Section Vii - External Wiring

    Failure to comply can cause Outdoor Reset Sensor severe personal injury or death. 1. The MODULATING DELTA may operate Line Voltage Connections with a variable primary operating tempera- ture using an optional 12 K outdoor sensor 1.

  • Page 34: Additional 24V Limit Wiring

    11 and 12. To energize the recirculation circulator between the MODULATING DELTA and a For limit control that will reset automatically storage tank as shown as Item 7A in Fig. 6 page 13 reference Fig.
  • Page 35 Zone Valve Thermostat Zone 1 Room Thermostat Zone 2 Zone Valve Additional zones may Additional zones be added as shown above To MODULATING DELTA Low Voltage Terminal Strip 3 Wire Zone Valve V.A.C. High Voltage Transformer (Power) V.A.C. Room Zone Valve...
  • Page 36 External Wiring Thermostat Honeywell zone 1 R845A Relay Circulator Zone 1 Thermostat zone 2 Circulator Zone 2 Additional zones may be added as shown above MODULATING DELTA Low Voltage Terminal Strip Fig. 16: Field Wiring Using Zone Circulators.
  • Page 37 External Wiring Thermostat Thermostat Thermostat Zone 3 Zone 2 Zone 1 T1 T1 L2 ZC 120V MODULATING DELTA Zone 3 Zone 1 Zone 2 Low Voltage Circulator Circulator Circulator Terminal Strip Fig. 17: Typical Zone Relay Panel Wiring Storage Tank...

  • Page 38: Section Viii - Start-Up Preparation

    Chlorinated Water tem. Damage to seals and gaskets in the system components could occur, result- Do not use the MODULATING DELTA ing in substantial property damage. inner or outer tank to heat a swimming pool or spa directly.

  • Page 39: Use Of Antifreeze In The Primary System

    Check with local codes requirements for cold supply piping to the MODULATING the installation of back flow preventers or DELTA and on the domestic hot outlet pip- actual disconnect from the make up water ing to the building (if provided).

  • Page 40: Check For Gas Leaks

    4. Allow air to escape from the outer tank by opening the automatic air vent provided Check Thermostat Circuit with the MODULATING DELTA. Disconnect the external thermostat 5. Purge air in each zone of the primary sys- wires from terminals 7 and 8 on the low tem through the purge valve.

  • Page 41: Section Ix - Start-Up Procedures

    If none of these conditions correct the problem, Inspect vent piping and combustion air refer to the MODULATING DELTA Trouble- inlet piping for signs of deterioration from shooting guide. corrosion, physical damage or sagging. Verify combustion air piping and vent pip- ing are intact and correctly installed.
  • Page 42 10 minutes. 3. Turn off all gas appliances within the build- Test for CO2 or O2 and for CO during ing, except the MODULATING DELTA. high and low firing rates. To manually place the appliance into high or low fire 4.

  • Page 43: Start-Up / Operating Instructions

    Start-Up Procedures FOR YOUR SAFETY READ BEFORE LIGHTING If you do not follow these instructions exactly, a fire or explosion WARNING may result causing property damage, personal injury or loss of life. • If you cannot reach your gas supplier, call the .

  • Page 44: Set Domestic Dhw Temperature

    Start-Up Procedures Set Domestic DHW Temperature A--- ] Self check on Power up. 0--- ] no call for heat request. 1. Press the MODE button until the display 1--- ] The prepurge cycle. The blower shows PARA. This is the parameter mode becomes energized and the 10 second pre- of the control.

  • Page 45: Set Primary Ch Target Temperature

    Start-Up Procedures 5. Return the DHW setpoint (Parameter1) and 2. Set the room thermostat to the lowest setting. room thermostat to the desired setting. 3. Turn off power to the appliance, wait a few 6. Press and hold the “+” button for 2 seconds seconds and turn on power to the appliance.

  • Page 46: Control Display

    6. Allow the appliance to operate and allow This is the standard mode for the MODULAT- the primary outlet temperature to reach the ING DELTA. The control automatically returns set point temperature. to this mode after 20 minutes if no keys have been pressed on the display.

  • Page 47: Standby Mode Display

    Start-Up Procedures Standby Mode Display Display Function STANDBY, no demand for heat Fan prepurge (10 seconds) or post purge cycle Ignition sequence Burner ON for space heating (CH) Burner ON for domestic water heating (DHW) Pre-check for air flow prior to prepurge cycle Burner OFF due to reaching temperature set point Post pump cycle for primary space heating...

  • Page 48: Setting The Control Parameters

    Start-Up Procedures Key: Display NOTICE Pressing MODE once If the “+” button is held in for 2 seconds MODE StBY while in the “ ” mode the CH sys- tem (Parameter 3) will be turned OFF Key: Display Description of parameters and the display will show “...

  • Page 49: Accessing Control Information

    Start-Up Procedures Accessing Control Information Key: Display Description of parameters Measured CH outlet (supply) water Information Mode temperature STEP Measured CH inlet (return) water temperature STEP To switch from STANDBY mode to INFOR- Measured DHW storage MATION mode, press MODE twice. temperature STEP Press STEP until the system displays the infor-...

  • Page 50: Error (Hard Lockout) Mode

    Gas valve harness not properly connected fault. Power supply lost after lockout occured Internal control failure For a detailed description of the error codes, reference the MODULATING DELTA Internal control failure Troubleshooting Guide. Internal control failure Internal control failure CAUTION...

  • Page 51: Setting The Thermostatic Mixing Valve

    MODULATING DELTA. Removal of ring indicator mark with the valve’s the mixing valve will create a potential “Mix” marking.

  • Page 52: Section X - Check-Out Procedures

    Observed several operating cycles for proper operation of the MODULAT- Domestic piping is purged of air and ING DELTA and the system. has been checked for leaks. Set the room thermostat(s) to the Burner has been confirmed as properly desired room temperature.

  • Page 53: Section Xi - Installation Record

    Installation Record SECTION XI - Installation Record MODULATING DELTA Model Number: Serial Number: Date of Installation: Fuel: Natural Gas Propane Measured Rate of Input: Btu/hr Combustion Readings: The following items were completed during installation: Installation instructions have been followed and completed...

  • Page 54: Sections Xii - Maintenance Schedule

    MODU- LATING DELTA or in system compo- Once the maintenance items are completed, nents, resulting in severe personal review the service with the owner.

  • Page 55: Section Xiii - Maintenance Procedures

    48. In addition and verify that the piping is leak free. to this maintenance, the MODULAT- ING DELTA should be serviced at the Inspect the fittings and components on the beginning of the heating season by a appliance and verify they are leak free.

  • Page 56: Check Combustion/Ventilation Air Openings

    Maintenance Procedures Check Combustion/ Ventilation Air Openings Check Domestic System Verify that all combustion air and ventila- Verify all system components are correctly tion openings to the mechanical room or installed and operating correctly. building are open and unobstructed. Check Check the outlet domestic temperature of the operation and wiring of any automatic the mixing valve and compare with the...

  • Page 57: Check Primary Relief Valve

    Maintenance Procedures Check Primary Relief Valve Inspection of Ignition Electrode Inspect the relief valve and lift the lever to Remove the ignition electrode from the verify flow at least annually or as recom- burner mounting plate. mended on the warning tag of the valve. Remove any white oxides accumulated on the electrode using fine grit sandpaper or WARNING...

  • Page 58: Check Burner Flame

    Check Flame Signal remove the burner assembly from the appli- The flame signal should be at least 2µ Α. ance. Remove control cover and disconnect Refer to the MODULATING DELTA electrical quick connects going to burner Trouble-shooting Guide for information on assembly.

  • Page 59: Handling Previously Fired Combustion Chamber Insulation

    Maintenance Procedures Handling of Previously Fired Combustion Chamber Insulation 2. Wear long sleeved, loose fitting clothing, WARNING gloves and eyes protection. The combustion chamber insulation 3. Assure adequate ventilation. contains ceramic fibers, which are clas- sified as a possible human carcinogen. 4.

  • Page 60: Replacement Parts

    Replacement Parts Fig. 19 : Modulating Delta Replacement Parts Item Part No. Description HMJKTMR01 Jacket Right Side Panel HMJKTMB01 Jacket Back Panel HMJKTML01 Jacket Left Side Panel HMJKTMT01 Jacket Top Panel HMJKTMF01 Jacket Front Panel HMJKTMFL01 Control Cover Panel HMCOV05...
  • Page 61 Replacement Parts Fig. 20 : Burner Assembly Replacement Parts Item Part No. Description PSRKIT13 Blower with Gasket PSRKIT01 Gas Valve ------- Venturi PGRKIT15 Gas Valve Rectifier Plug MDRKIT08 Igniter with Gasket PSRKIT14 Ignition Cable MDRKIT09 Burner Plate Insulation & Gasket PSRKIT37 Burner Head MDRKIT10...

  • Page 62: Product Specifications

    Product Specifications 3.5" 14" 8" 59” 6.5" 5" 11.5" 5" 22" 1" 21" 29" Fig. 21: Side View Primary supply, ø 1” NPT 5. Domestic cold water inlet, ø 3/4” NPT Primary drain valve connection, ø 1/2” NPT 6. Domestic hot water outlet, ø 3/4” NPT Domestic temperature/pressure relief valve (150 7.

  • Page 63: Specifications

    Product Specifications...
  • Page 64 Additional Quality Heating Products Available from Triangle Tube Phase III Indirect Fired Water Heaters Exclusive Tank-in-Tank design Stainless steel construction Available in 8 sizes and 2 models Limited LIFETIME residential warranty 15 year limited commercial warranty Self cleaning/self descaling design 2”...

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