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Trinity Lx Lx200-800 Manual

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Trinity Lx
Model Numbers: Lx200-800
Version Date: 2013-07-16
APPENDIX C - WATER HEATER APPLICATIONS:
PLUMBING AND WIRING INSTRUCTIONS
Optional Configuration: Refer to "Appendix B - Boiler Applications"
Companion Storage Products: TRIN & STOR Storage Tanks

TABLE OF CONTENTS

1.0
INTRODUCTION ................................................................................................................ 2
General Installation Requirements ....................................................................................... 2
Mandatory Wall Mounting Protection .................................................................................. 3
General Water Treatment ..................................................................................................... 3
Potable Water Systems ......................................................................................................... 3
Definitions of Potable Water Systems .................................................................................. 3
Safe Temperatures for Potable Water ................................................................................... 4
2.0
WATER HEATER SYSTEM PIPING ................................................................................. 6
Near Water Heater Plumbing................................................................................................ 6
Water Heater System Plumbing ............................................................................................ 8
Stand Alone Water Heater Applications ............................................................................. 10
Multiple Water Heater Applications ................................................................................... 12
3.0
FIELD WIRING ................................................................................................................. 15
Line Voltage Connections .................................................................................................. 15
Low Voltage Connections .................................................................................................. 18
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 Water Heater must be installed by a licensed and trained Heating
Technician or the Warranty is Void. Failure to properly install this
NEW FEATURES
20% Larger Screen
Tank Sensor Option
Optional BACnet Gateway
TRIN & STOR
Lx 200-800
H
NTI # 86572

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Summary of Contents for Trinity Lx Lx200-800

  • Page 1: Table Of Contents

    Trinity Lx NEW FEATURES 20% Larger Screen Model Numbers: Lx200-800 Tank Sensor Option Optional BACnet Gateway Version Date: 2013-07-16 APPENDIX C - WATER HEATER APPLICATIONS: PLUMBING AND WIRING INSTRUCTIONS Optional Configuration: Refer to "Appendix B - Boiler Applications" Companion Storage Products: TRIN & STOR Storage Tanks TABLE OF CONTENTS INTRODUCTION ........................

  • Page 2: Introduction

    Gas). Failure to comply with instructions will result in damage, serious injury or death. Be Informed - Read and understand this entire document prior to proceeding with the installation of the Trinity Lx water heater. Failure to follow the instructions outlined in this document will result in property damage, serious injury or death.

  • Page 3: Mandatory Wall Mounting Protection

    The Trinity Lx requires zero clearance to combustible walls; however, code requires all wall mounted instantaneous water heaters be provided with suitable protection extending the full length and width of the water heater.

  • Page 4: Safe Temperatures For Potable Water

    │ Trinity Lx Plumbing and Wiring Instructions Water Heater Applications Combination Space Heating - A boiler with indirect fired water heater is the preferred method for combination space heating; therefore, the building owner assumes all risk and responsibility with respect to installation, maintenance, and operation of this water heater in a combination space heating application.
  • Page 5 │ Trinity Lx Water Heater Applications Plumbing and Wiring Instructions Thermostatic Mixing Valve - When the system requires water at temperatures higher than required for other uses, such as high temperature applications typically greater than C (115 F), a means such as a thermostatic mixing valve shall be installed to temper the water for those uses in order to reduce scald hazard potential.

  • Page 6: Water Heater System Piping

    2.0 WATER HEATER SYSTEM PIPING The heat exchanger of the Trinity Lx water heater is designed to attain the highest level of heat transfer in a compact design. To accomplish this, the heating water flows through a series of fin shaped tubes, designed to maximize the heat transfer area.
  • Page 7 │ Trinity Lx Water Heater Applications Plumbing and Wiring Instructions Figure 2-1(a) Lx200-400 Models Near Water Heater Piping Pressure Relief Valve discharge to floor drain Inlet Safety Flow Switch Trimmable paddle Outlet Pressure Gauge Pressure Relief Valve Near Water Heater tees...

  • Page 8: Water Heater System Plumbing

    │ Trinity Lx Plumbing and Wiring Instructions Water Heater Applications Safety Flow Switch - A safety flow switch is required by code to ensure a sufficient rate of water supply is available for proper operation of the water heater. The Lx500-800 are the only NTI models factory equipped with flow switch.
  • Page 9 │ Trinity Lx Water Heater Applications Plumbing and Wiring Instructions This water heater must have water flowing through it whenever the burner is on or it will damage the unit and void the warranty. Failure to follow these instructions may result in fire, property damage, serious injury or death.

  • Page 10: Stand Alone Water Heater Applications

    Energy Efficiency - Although the Trinity Lx Water Heater is an energy efficient appliance, insulating long pipe runs can improve the overall system efficiency by conserving energy and reducing standby losses.
  • Page 11 │ Trinity Lx Water Heater Applications Plumbing and Wiring Instructions Figure 2-2 All Models Stand Alone Water Heater Plumbing Configuration...

  • Page 12: Multiple Water Heater Applications

    │ Trinity Lx Plumbing and Wiring Instructions Water Heater Applications Multiple Water Heater Applications The Lx controller has the internal capacity to stage or Lead-Lag up to 8 water heaters configured in a cascade. This Lead-Lag capability allows a designated “Master” water heater to communicate with and effectively control each water heater in a multiple water heater system.
  • Page 13 │ Trinity Lx Water Heater Applications Plumbing and Wiring Instructions Table 2-5 Minimum Pipe Sizes for Multiple Water Heater Applications Lx200 Lx300 Lx400 Lx500 Lx600 Lx700 Lx800 # of Units Pipe Size Pipe Size Pipe Size Pipe Size Pipe Size...
  • Page 14 │ Trinity Lx Plumbing and Wiring Instructions Water Heater Applications Figure 2-3 All Models Multiple Water Heater Lead-Lag Plumbing Configuration...

  • Page 15: Field Wiring

    Line Voltage Connections Electrical rating for the Trinity Lx is 120V / 1 Phase / 60 Hz / 12A. The Trinity Lx line voltage junction box is located in the lower right corner of the water heater cabinet on model Lx200 and can be accessed by removing the front door of the water heater, followed by the removal of the line voltage junction box cover.
  • Page 16 │ Trinity Lx Plumbing and Wiring Instructions Water Heater Applications Figure 3-1(a) Lx200-400 Models Line Voltage Field Wiring PUMP B 120VAC SUPPLY_ Line Neutral Gnd__ SERVICE SWITCH (field supplied) Table 3-1 Line Voltage Field Connections Connection Location Description 120VAC Hot - Location for connecting line voltage of the power supply. Note most...
  • Page 17 │ Trinity Lx Water Heater Applications Plumbing and Wiring Instructions Figure 3-1(b) Lx500-800 Model Line Voltage Field Wiring Table 3-1(b) Line Voltage Field Connections (Lx500-800) Connection Location Description 120VAC Hot - Location for connecting line voltage of the power supply. Note most...

  • Page 18: Low Voltage Connections

    Low Voltage Connections The Trinity Lx low voltage junction box is located in the lower left corner of the water heater cabinet on Lx200 models and can be accessed by removing the front door of the water heater, followed by the removal of the low voltage junction box cover.
  • Page 19 │ Trinity Lx Water Heater Applications Plumbing and Wiring Instructions Table 3-2(b) Low Voltage Field Connections (Lx500-800) Connection Location Description 24VAC Common – Neutral for the 24VAC power supply within the water heater. COM (24VAC) R1/R2 (24VAC) 24VAC Hot - Power supply for inputs EXT. LIM, CH1, and CH2 (LL).
  • Page 20 │ Trinity Lx Plumbing and Wiring Instructions Water Heater Applications 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/or 6 [LIM, CH1, and CH2 (LL)] via an isolated end switch (dry contact).
  • Page 21 │ Trinity Lx Water Heater Applications Plumbing and Wiring Instructions NOTES...
  • Page 22 │ Trinity Lx Plumbing and Wiring Instructions Water Heater Applications NOTES...
  • Page 23 NOTES...
  • Page 24 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...

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