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Lx – WH Series Installation and Operation Instructions

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Trinity Lx

47

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. NTI models Lx500WH-Lx800WH come factory equipped
with  a  safety  flow  switch  installed;  for  models  Lx200WH-Lx400WH,  a  safety  flow  switch  must  be  field
supplied  and  installed.    Locate  the  flow  switch  in  series  with  the  water  heater  and  in  accordance  with  the
instructions provided with the safety flow switch.  NTI recommends a safety flow switch with an activation
point no lower than the flow rate specified in Table 10-3.

Table 10-3

Flow Switch Installation Requirements

Model

Activation Point

(no lower than)

Line Size for

Flow Switch

IMPORTANT:  After  the  flow  switch,
increase  pipe  diameter  to  the  size
specified  in  Table  10-5.  Refer  to  Section
12.0  for  instructions  on  wiring  the  safety
flow switch.

Lx200WH

6 gpm

1

Lx300WH

9 gpm

1-1/4”

Lx400WH

12 gpm

1-1/4”

The Safety Flow Switch must be installed on the water heater outlet fitting (see Figure
10-1) in accordance with the instructions provided with the flow switch. Install the flow
switch in a 1” diameter line for model Lx200WH, and a 1-1/4” diameter line for models
Lx300WH & Lx400WH.

Models  Lx500WH-Lx800WH  come  equipped  with  a  factory  installed  flow  switch
installed  in  a  2”  diameter  line.  The  flow  switch  is  pre-plumbed  with  a  Nema  4  rated
enclosure and prewired via liquid-tight conduit.

The Safety Flow Switch must be wired as per the instructions provided in this manual.
Refer to Section 12.0 for wiring instructions.

Water Heater System Plumbing

The Trinity water heater uses a low mass heat exchanger that requires a minimum rate of forced water circulation
any time the burner is operating (See Table 10-5 for minimum flow rates). To ensure the minimum flow rate is
attained, the water heater must be installed with a safety flow switch (see Figure 10-2 for suggested plumbing
diagram). A properly installed system will as a minimum include the major components in Table 10-4.

Table 10-4

System Major Component Checklist

Factory Supplied Components

Field Supplied Components



Pressure Relief Valve

1



Bronze/Stainless Steel

Water Heater Circulator (Pump B in Figure 10-2)



Pressure Gauge (160PSI)



System Backflow Preventer (check if required by local codes)

2



Flow Switch (Lx500-800 only)



DHW/Potable Water Expansion Tank (check if required by local codes)

2



DHW Storage Tank



Tank Temperature and Pressure Relief Valve



Tank Thermostat (aquastat)



Thermostatic (Anti-Scald) Mixing Valve



Safety Flow Switch

Notes:

1

Refer to Table 10-2 for minimum Pressure Relief Valve specifications

.

2

Expansion Tank is mandatory if using a System Backflow preventer

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Содержание Lx500WH

Страница 1: ...LESHOOTING 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 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 ...

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 the floor If you smell gas STOP Follow B in the safety information above If you don t smell gas go to the next step 6 Turn the manual gas valve ON Wait an additional five 5 minutes smelling for gas 7 Re...

Страница 3: ...rviced by a qualified installer or service technician This water heater must be serviced and inspected annually when operating in normal residential applications Demanding applications or extreme conditions i e commercial may require more frequent service and inspection As the User Owner of this equipment you are responsible for ensuring the maintenance is performed at the required intervals see S...

Страница 4: ...location that will permit heavier than air gas to collect Local Codes may require water heaters fueled with LP gas be provided with an approved means of removing unburned gases from the room Check your local codes for this requirement Natural to LP Propane Conversion Kit_ Model Number Kit Number LP Orifice Lx200WH 82650 1 52 5 2mm Lx300WH 82650 1 62 6 2mm Lx400WH 83017 1 62 6 2mm Lx500WH 84386 1 N...

Страница 5: ...n 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 water heater 4 INSPECTION The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installation unless upon inspection the inspector observes carbon monoxide detectors and signage installed in accordance...

Страница 6: ...edures prescribed by the U S Department of Energy Ratings have been confirmed by AHRI High Altitude Operation The Trinity Lx is designed to operate at its maximum listed capacity in installations less than or equal to 2000 ft 610 m above Sea Level Since the density of air decreases as elevation increases maximum specified capacity should be de rated for elevations above 2000 ft 610 m in accordance...

Страница 7: ...ed a Closet 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 approved materials Indoor Combustion Air When using Indoor Combustion Air in lieu of Direct Vent air inlet piping an option for models Lx500WH Lx800WH provisions for combustion and ventilati...

Страница 8: ... hr min 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 must be CPVC 1 25 mm clearance for hot water and vent pipes Removable Surface or Closet Door Ventilation Air Openings are not required if the appliance area meets the listed Recommended Clearances ...

Страница 9: ...models Lx500WH Lx800WH ensure rear of unit is accessible for wiring and flue gas testing 4 Code requires all wall mounted instantaneous water heaters to be installed with suitable wall protection extending the full length and width of the water heater Check with local authorities regarding acceptable protection materials Front 24 610 mm Left Side 24 610 mm Right Side 4 102 mm 6 152 mm max below ve...

Страница 10: ...y aligning the slots in the back of the water heater with the hooks protruding from the wall bracket The top of the slots must rest at the bottom of the groove in the hooks of the wall mount bracket Pull the bottom of the unit away from the wall to allow the installation of the lower wall mount bracket included with water heater The bracket will snap into place using the slots provided in the bott...

Страница 11: ...ange pointed upward and angled away from the wall This unit requires two people to lift it or damage and injury may result Mount the boiler to the wall by aligning the upper bracket A with the wall mount bracket B Slide the upper bracket down over the wall mount bracket until it hooks Once the boiler is resting securely on the upper bracket secure the bottom bracket to the underside of the boiler ...

Страница 12: ... Steps to Removing an Existing Water Heater 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 restriction leakage corrosion or other deficiencies which could cause an unsafe condition 3 Insofar as is practical close fireplace dampers all building doors and windows and all doors between...

Страница 13: ...aces 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 Controller RPM Adjustments To avoid the potential water heater lockouts due to wind and static pressure differences the Lightoff and Minimum Modulation RPM Rates must be adjusted as per Figures 4 11 an...

Страница 14: ...stics 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 to start up Avoid using excess cement or primer that may lead to pooling inside the pipe assembly Freshly assembled piping assembly should be allowed to cure for a minimum of 8 hours before applying power to th...

Страница 15: ...um 4 100 mm 1 7 8 48 mm Lx700WH Lx800WH 6 Minimum 6 152 mm 2 1 2 63 mm Polypropylene or Stainless Steel Venting When using Polypropylene or Stainless Steel piping the appropriate water heater adapters must be used to transition the water heater vent connections to accept the respective Polypropylene or Stainless Steel venting See Table 4 3 for a list of approved adapters Failure to use the correct...

Страница 16: ...y supplied INLESS 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 Piece 3 CPVC minimum 5 long factory supplied Mandatory Vent Pipe Transition Piece See Table 4 2 Air Inlet 4 Pipe Swing Joint to attain slope in horizontal runs Exhaust Vent 4 6 CPVC Flue ...

Страница 17: ...Air Inlet Adapter 4 stainless 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 3 Coupling 6 PVC length 4 Air Inlet 4 6 Pipe Transition 6 CPVC Swing Joint to attain slope in horizontal runs Mandatory Vent Pipe Transition Piece 6 CPVC factory supplied See Tabl...

Страница 18: ...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 does not require high temperature pipe material Check applicable local codes for acceptable materials 4 ULC S636 PVC is approved for flue gas temperatures up to 149o F 65o C and must only be used for low...

Страница 19: ...95 90 85 80 75 70 65 60 4 NG LP 105 100 95 90 85 80 75 70 65 60 Lx300WH Lx400WH 4 or 6 NG LP 100 95 90 85 80 75 70 65 60 55 Lx500WH 4 or 6 3 NG LP 100 95 90 85 80 75 70 65 60 55 Lx600WH 4 or 6 3 NG 2 100 95 90 85 80 75 70 65 60 55 Lx700WH Lx800WH 6 1 NG 2 100 95 90 85 80 75 70 65 60 55 Notes 1 Only 6 exhaust vent is permissible for models Lx700 800 Air inlet pipe can be 4 or 6 6 is highly recommen...

Страница 20: ...S3513 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 included with termination kits contain detailed assembly and installation instructions 2 All factory termination kits are ULC S636 approved 3 Clearance requirements in this manual supersede those of the instruct...

Страница 21: ...eferred 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 Pipe Sidewall Termination Lx200WH Illustrated Lx200WH Illustrated Figure 4 7 a Two Pipe Sidewall Termination Figure 4 7 b Two Pipe Sidewall Termination Lx800WH Illustrated Lx400WH Illustrated ...

Страница 22: ...s using roof top terminations Failure to follow these instructions may result in venting or water heater component failure resulting in flue gas spillage leading to property damage serious injury or death Roof Termination Examples Direct Vent Installation Figure 4 8 a Two Pipe Roof Termination Figure 4 8 b Concentric Roof Termination Lx200WH Illustrated Lx200WH Illustrated ...

Страница 23: ... Min 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 of Obstructions Refer to documentation included with termination kit for complete installation instructions Exhaust Air inlet Min 12 above grade or snow level Vertical Min 18 Horizontal 4 12 or gr...

Страница 24: ...r than 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 kit for complete installation instructions Refer to documentation included with termination kit for complete installation instructions Min 12 above grade or snow level Flashing Exhaust Air inlet Fig...

Страница 25: ...Vent Supports 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 applications the discharge must point away from the pitch of the roof 11 Roof Flashing Install adequate flashing where the pipe enters the roof to prevent water leakage 12 Rain Cap Install and seal a rai...

Страница 26: ...the water heater 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 chimney is not being used by any other water heater 2 Flue gases do not enter the vacant chimney 3 Only Trinity Lx certified venting materials are used see Table 4 4 4 Vent lengths are within the max...

Страница 27: ...lic 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 dwellings X X X X T Under a concrete veranda porch deck or balcony 7 24 in 610 mm 24 in 610 mm U Above under or near exterior stairs X X X X V Into a canopy or carport X X X X Notes 1 Canadian installations m...

Страница 28: ...Trinity Lx Installation and Operation Instructions Lx WH Series 28 Figure 5 1 Termination Clearances Quick Reference Diagram ...

Страница 29: ...ble 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 Public Walkway or Driveway Minimum 7ft 2 13 m G Clearances F and G Canada Minimum 3 ft 915 mm The US Minimum 1 ft 305 mm ...

Страница 30: ...down 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 corrode most metallic drains and sewer pipes When a condensate pump is used or required select a pump that is designed for residential furnaces If the combustion chamber has been flooded due to the co...

Страница 31: ...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 water heater does not apply any weight to the gas valve NTI recommends using approved flexible gas piping if acceptable by local codes to connect the water heater to the gas supply See Figure 7 1 for details You p...

Страница 32: ...damage serious injury or death When performing a pressure test on the gas line piping be sure the water heater is disconnected or isolated if the test pressure is expected to exceed 1 2 PSI 14 w c as damage to the valve could occur resulting in fire property damage serious injury or death Figure 7 1 Gas Line Connection Typical Model Lx200WH Illustrated Manual Shutoff Valve Union Drip Leg Rigid Gas...

Страница 33: ...c 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 department C Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician Force or at...

Страница 34: ...ety 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 Never allow the water heater to operate if the ignition or operation of the burner is rough or erratic Failure to follow these instructions may result in serious injury or death The flame probe uses a single electr...

Страница 35: ...red value listed in Table 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 be made 9 Upon completion of the line pressure testing return the bleed screw of the Line Pressure Test Port to the closed position For the Lx600 800 models replace the installed ...

Страница 36: ...ly Lx400WH Throttle Input Adjustment Screw Venturi Air Inlet Line Pressure Test Port Gas In Gas Valve Orifice Location See Kit 83017 1 Manifold Pressure Test Port Orifice Location See Kit 82650 1 Throttle Input Adjustment Screw Line Pressure Test Port Gas In Lx200WH Orientation Illustrated Lx300WH Assembly Orientation Rotated Clockwise 90 o Venturi Air inlet Manifold Pressure Test Port Gas Valve ...

Страница 37: ...800WH Throttle Input Adjustment Screw Manifold Pressure Test Port outlet flange Gas Valve Venturi Manual Gas Shutoff Valve Air inlet Gas In Line Pressure Test Port inlet flange Remove cover to make adjustments to the throttle input screw Gas Valve Regulator Sensing Tube Gas In Gas Valve Throttle Input Adjustment Screw Manifold Pressure Test Port Line Pressure Test Port ...

Страница 38: ...e Gas turn the throttle screw all the way in clockwise until it stops then turn the throttle screw out counterclockwise 4 1 2 turns and set with a combustion analyzer See Figure 9 3 for throttle screw location Lx600WH Lx800WH Adjustments Remove the cap and adjust the input screw by turning it clockwise to decrease gas flow and counter clockwise to increase gas flow Typical adjustment required is 0...

Страница 39: ...the flue gas analysis and adjustment detailed in this section may result in erratic and unreliable burner operation leading to reduced efficiency increased fuel consumption reduced component life heat exchanger combustion deposits and general unsafe operation Failure to follow these instructions may result in serious injury or death Analysis Trinity Lx flue gas test ports are located in the flue o...

Страница 40: ...ue gas 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 Analyzer Test Port FLUE GAS TEST PORT PLUG Remove test port plug to perform flue gas analysis Re install plug once sampling completed to prevent flue gas leakage during appliance operation Failure ...

Страница 41: ...m flue gas 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 Analyzer Test Port FLUE GAS TEST PORT PLUG Remove test port plug to perform flue gas analysis Re install plug once sampling completed to prevent flue gas leakage during appliance operation Fail...

Страница 42: ...s water heater is suitable for water potable heating and space heating The water heater can be configured for water potable heating only or combination space heating and is subject to the following requirements 1 Piping and components connected to the water heater for use with water potable heating or combination space heating applications shall be suitable for use with potable water 2 Toxic chemi...

Страница 43: ...uring non heating seasons or low temperature water applications Using higher temperature tank water routinely maintaining your water system and having your water tested annually are considered good practice when it comes to controlling conditions that contribute to Legionella See Table 10 1 Failure to monitor and maintain your combination space heating system may result in illness or death Contrib...

Страница 44: ...o C 115o F shall be equipped with a thermostatic mixing valve on the hot water outlet to reduce potential scald hazards Clean aerators and nozzles on water fixtures on a regular basis to reduce scale build up Clean storage tanks and remove sediment Flush storage tanks and piping systems regularly for 10 30 minutes at high water temperatures depending on guidelines used to rid the system of sedimen...

Страница 45: ...requirements for the respective water heater If installed with the incorrect orientation horizontally with drain pipe out the bottom the relief valve may not function properly resulting in property damage or personal injury Ensure the discharge of the pressure relief is piped to a location where the steam or water will not cause property damage or serious injury Pressure Gauge Trinity Lx units com...

Страница 46: ...x500WH Lx800WH 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 Valve discharge to floor drain Near Water Heater tees and fittings Safety Flow Switch Pressure Relief Valve Pressure Gauge Trim able paddle Outlet Inlet ...

Страница 47: ...WH Models Lx500WH Lx800WH come equipped with a factory installed flow switch installed in a 2 diameter line The flow switch is pre plumbed with a Nema 4 rated enclosure and prewired via liquid tight conduit The Safety Flow Switch must be wired as per the instructions provided in this manual Refer to Section 12 0 for wiring instructions Water Heater System Plumbing The Trinity water heater uses a l...

Страница 48: ...Armstrong pump E15B 17B not recommended 5 Armstrong pump E23B E33B not recommended 6 Armstrong pumps E22B and E24B also recommended System Backflow Preventer Check if a backflow preventer is required by local codes This manufacturer and most plumbing codes require a thermal expansion control device be installed if a backflow preventer pressure reducing valve or check valve is installed on a domest...

Страница 49: ...t plumbing fixtures A mixing valve is optional on high temperature water applications including but not limited to process water clothes washers dishwashers or sanitizers depending on the temperature desired at the appliance and water storage temperature When the system requires water at temperatures higher than required for other uses a means such as a mixing valve shall be installed to temper th...

Страница 50: ...Trinity Lx Installation and Operation Instructions Lx WH Series 50 Figure 10 2 All Models Stand Alone Water Heater Plumbing Configuration ...

Страница 51: ...12 2 a and 12 2 b and Figure 12 2 System Sensor a system sensor is NOT used in a water heater application at the Master boiler set the applicable sensor input to Unconfigured as follows Configure Sensor Configuration S10 J10 7 sensor S5 J8 11 sensor for Lx500WH Lx800WH models UNCONFIGURED Modbus Address assign a unique MB2 Modbus Address to each water heater in the cascade Access the MB2 Modbus Ad...

Страница 52: ...or Multiple Water Heater Applications of Units Lx200WH Lx300WH Lx400WH Lx500WH Lx600WH Lx700WH Lx800WH 2 2 2 1 2 3 3 4 4 4 3 2 1 2 3 4 4 4 4 4 4 3 4 4 4 4 5 5 5 3 4 4 4 5 5 5 6 4 4 4 5 5 5 5 7 4 4 5 5 5 6 6 8 4 4 5 5 5 6 6 All Water Heater piping in Multiple Water Heater Applications must be sized based on Table 11 1 in accordance with the number of units the piping supports All water heater circu...

Страница 53: ...Lx WH Series Installation and Operation Instructions Trinity Lx 53 Figure 11 1 All Models Multiple Water Heater Lead Lag Plumbing Configuration ...

Страница 54: ...ty Lx is equipped 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 control panel Lx200WH Lx400WH Control Panel Fuse A Protects the blower spark generator and PUMP B output circuits Fuse B Protects PUMP A and PUMP C output circuits Lx500WH Lx800WH Control ...

Страница 55: ...to break line voltage to the appliance PUMP A 2 Not used PUMP B 3 DHW Demand Output to the Water Heater Circulator powered during tank demand PUMP C 4 Not used L2 Neutral 5 120VAC Common Location for connecting neutral of the power supply and circulator 6 Ground 7 120VAC Ground Location for connecting ground of the power supply and circulator 8 No Conn 9 Factory Wiring This terminal is used only f...

Страница 56: ...the power supply Note most installation codes require the installation of a service switch to break line voltage to the appliance L2 Neutral 2 120VAC Common Location for connecting neutral of the power supply and circulator Ground 3 120VAC Ground Location for connecting ground of the power supply and circulator Non Powered Dry Contacts PUMP A 4 Not used 5 PUMP B 6 DHW Demand Dry Contact for Water ...

Страница 57: ...ral Heat Demand Not applicable for Water Heater Applications CH2 LL 6 Lead Lag Central Heat Demand Not applicable for Water Heater Applications Sensor DHW 7 DHW Tank Demand Input requiring closure of terminals 7 and 10 to initiate a demand for DHW Switch made via isolated end switch dry contact from the storage tank thermostat Aquastat Or optional Tank Sensor P N 84632 see Appendix A NOTICE Tank S...

Страница 58: ...at Or optional Tank Sensor P N 84632 see Appendix A OD SYS SENSOR 12 Outdoor Temperature Sensor Not applicable for Water Heater Applications System Water Temperature Not applicable for Water Heater Applications TOD 13 Time of Day Night Time Setback Input requiring closure of terminals 13 and 14 to initiate TOD setback setting Switch is made using an isolated end switch dry contact using a timer BA...

Страница 59: ...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 Lx200WH Lx400WH 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 Lx200WH Lx400WH Illustrated ...

Страница 60: ...Trinity Lx Installation and Operation Instructions Lx WH Series 60 13 0 WIRING SCHEMATICS Figure 13 1 a Connection Diagram Lx200WH Lx400WH ...

Страница 61: ...Lx WH Series Installation and Operation Instructions Trinity Lx 61 Figure 13 1 b Ladder Logic Diagram Lx200WH Lx400WH ...

Страница 62: ...Trinity Lx Installation and Operation Instructions Lx WH Series 62 Figure 13 2 a Connection Diagram Lx500WH Lx800WH ...

Страница 63: ...Lx WH Series Installation and Operation Instructions Trinity Lx 63 Figure 13 2 b Ladder Logic Diagram Lx500WH Lx800WH ...

Страница 64: ... valve to the ON position 2 Turn Power on to water heater 3 Set Controller to the desired settings 4 Turn thermostat up Ignition will occur Operational Checklist 1 System is free of gas leaks 2 System is free of water leaks 3 Water pressure is maintained above 15 PSI 4 All air is purged from the heating system piping 5 Ensure proper water flow rate unit must not kettle bang hiss or flash the water...

Страница 65: ... 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 water heater 4 Remove or cover the insulation disc located in the back of the combustion chamber to avoid damaging it during the cleaning process The disc is held in place with a 2 5mm Allen head screw 5 Use a vacuum with a high efficiency filter t...

Страница 66: ...or removing this water heater This water heater contains materials that have been identified as carcinogenic or possibly carcinogenic to humans Table 15 1 Handling Instructions for Refractory Ceramic Fibers RCF Reduce the Risk of Exposure Precautions and Recommended Personal Protective Equipment Avoid contact with skin and eyes Wear long sleeved clothing gloves and safety goggles or glasses Avoid ...

Страница 67: ...ing 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 directly when ordering replacement parts 1 506 657 6000 Installers Contact NY Thermal Inc directly if technical assistance required 1 800 688 2575 Residential Models Lx200WH Lx400WH Figure 16 1 Cabinet V...

Страница 68: ...nger Gas Valve Blower and Burner Assembly Lx200WH Figure 16 3 Electrical Housing Controller and Display Module Lx200WH Lx400WH 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 19 18 17 9 15 4 14 16 3 29 36 11 34 32 33 31 28 30 27 23 25 21 26 1 2 22 24 13 105 5 12 ...

Страница 69: ...Lx WH Series Installation and Operation Instructions Trinity Lx 69 Figure 16 4 Cabinet Vent and Air Intake Parts Lx300WH Lx400WH 44 42 39 50 49 46 47 72 73 75 48 37 76 78 77 45 41 ...

Страница 70: ...structions Lx WH Series 70 Figure 16 5 Heat Exchanger Gas Valve Blower and Burner Assembly Lx300WH Lx400WH 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 Reverse Angle View e Angle View 16 114 106 ...

Страница 71: ...ty Lx 71 Commercial Models Lx500WH Lx800WH Figure 16 6 Cabinet Vent and Air inlet Parts Lx500WH Lx800WH 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 Elbow Lx500 600 c w Tabs 44 Lx500 600 Flue Adapter 41 ...

Страница 72: ... Instructions Lx WH Series 72 Figure 16 7 Heat Exchanger Gas Valve Blower and Burner Assembly Lx500WH 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 Angle View 3 114 115 18 92 91 106 30 9 ...

Страница 73: ... Valve Blower and Burner Assembly Lx600WH Lx800WH 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 87 89 89 Lx700 800 Gas Train Lx600 Gas Train 28 Reverse Angle View e Angle View 44 106 89 114 ...

Страница 74: ... 150E 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 Blower Gasket Lx600 800 5 82052 150 EBM Blower RG130 Lx100 150 not Lx150E 5 82661 150E 200 300 EBM Blower RG148 1200 3633 Lx150E 300 5 82994 400 EBM Blower RG148 Enhanced Lx400 5 84322 500 EBM Blo...

Страница 75: ...0 15 83606 All Models Outlet 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 400 18 83007 All Models 1 4 x 1 8 Bushing Brass Lx Series 19 82539 All Models Automatic Air Vent 1 8 Lx Series 20 83608 150 150E 200 300 400 Flue Sensor Dual Lx150 400 20 84039 50...

Страница 76: ...pter Lx300 400 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 Adapter SS Lx Commercial 43 83477 150 150E 200 Bushing PVC Sch 40 3 x1 5 Lx150 200 44 83712 1 150 150E 200 3 8 Stainless Steel Plug Lx150 200 44 84054 300 800 Exhaust Test Plug Lx300 800 45 83873 150 150...

Страница 77: ...Strip 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 20 Amp at 250VAC Max Lx Series 69 83837 All Models Fuse Littlefuse 7A 250VAC Fast Blow Lx Series 70 83882 All Models Touch Screen Display Support Lx Series 71 81027 1 All Models Outdoor Sensor 10K Lx...

Страница 78: ...lve 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 Black Iron Lx700 800 91 84102 500 800 Flow switch FS8 W Paddles 2 1 2 Lx Commercial 92 84099 500 800 Bushing 2 x 1 Brass Lx Commercial 93 84058 500 800 Tee 2 x 2 x 2 Brass Lx Commercial 94 84381 60...

Страница 79: ...r in the electrical panel supplying power to the water heater 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 The thermostat is placed at a sufficiently high setting to create a call for heat to the water heater To check for the presence of 120VAC and 24VAC at the water heater follow this procedure Remo...

Страница 80: ...the spring loaded 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 top cover from the panel The auto blade type fuse is installed in an inline style fuse holder On models Lx500WH Lx800WH the control panel is located above the heat exchanger toward the b...

Страница 81: ...d wires if not trace wiring back to 24VAC transformer correct wiring and or replace transformer see applicable Figure 13 1 a or 13 1 b 4 Remove the display assembly from the control panel and check the 24VAC wiring connection on the back of the display Blue to terminal 7 24VAC COM Red to terminal 8 24VAC System Disconnected If the Touch screen Display is not blank but is displaying System Disconne...

Страница 82: ...screen Check thermostat and DHW aquastat if applicable setting Water heater outlet temperature exceeds Setpoint On Hysteresis Check outlet temperature setpoint and hysteresis settings via Touchscreen Hold delay or Lockout Check Summary page on Touchscreen for code Burner switch off Check Summary page if Demand indicates Burner switch off go to diagnostics burner test page and switch on Lockout 2 W...

Страница 83: ...s and operates smoothly replace air switch If the unit fails to light or lights but runs rough or abruptly shuts down check water heater internals for blockage WARNING Only jumper the air switch for diagnosing purposes Tripped High Vent Pressure Switch Lx300 400 only The high vent pressure switch will trip when the combustion chamber is blocked Clean combustion chamber and reset switch Tripped The...

Страница 84: ...issing sounds Insufficient water flow Check Fuse A Check water heater pump Ensure plumbing is correct Refer to Supplementary Documentation section 2 0 System Piping Check that water pressure is at least 15PSI Water heaters Only Water heater heat transfer surfaces may be fouled with scale or magnetite Clean with Fernox DS 40 Descaler and Cleanser See Table 10 1 Lockout 82 Stack limit Dirty heat exc...

Страница 85: ...LVE AND BURNER SETUP Flame rod disconnected Verify that the flame rod signal wire is securely attached to the flame rod which is located bottom center of the burner door No 120VAC to Spark Generator Check wiring from controller to spark generator With an AC voltmeter measure voltage across J5 6 and ground the controller chassis is connected to the 120VAC supply ground during trial for ignition Fau...

Страница 86: ...r wiring Check wiring of outdoor sensor Wires should connect to Low Voltage barrier terminals 11 12 Faulty sensor Check sensor Should be free of ice and snow Check resistance of sensor and compare to thermistor resistance chart see Table 17 2 Alert 311 Run was terminated due to interrupted air flow switch was off Blocked venting Check for blockage of the exhaust vent Blocked air inlet Check for bl...

Страница 87: ...perature Temp F C Resistance Ohms Ω Temp F C Resistance Ohms Ω 22 30 176 133 122 50 3 603 4 20 96 761 131 55 2 986 14 10 55 218 140 60 2 488 32 0 32 650 149 65 2 083 41 5 25 390 158 70 1 752 50 10 19 900 167 75 1 481 59 15 15 710 176 80 1 258 68 20 12 490 185 85 1 072 77 25 10 000 194 90 918 86 30 8 057 203 95 789 95 35 6 531 212 100 680 104 40 5 327 230 110 506 113 45 4 369 Table 17 3 Hold and Lo...

Страница 88: ...ias shorted to adjacent pin Hold 31 Internal fault SLO electronics unknown error Hold 32 Internal fault Safety Key 0 Lockout 33 Internal fault Safety Key 1 Lockout 34 Internal fault Safety Key 2 Lockout 35 Internal fault Safety Key 3 Lockout 36 Internal fault Safety Key 4 Lockout 37 Internal fault Safety Key 5 Lockout 38 Internal fault Safety Key 6 Lockout 39 Internal fault Safety Key 7 Lockout 40...

Страница 89: ...r high limit Disabled 91 Inlet sensor fault Hold 92 Outlet sensor fault Hold 93 DHW sensor fault Hold 94 Header sensor fault Hold 95 Stack sensor fault Hold 96 Outdoor sensor fault Hold 97 Internal fault A2D mismatch Lockout 98 Internal fault Exceeded VSNSR voltage tolerance Lockout 99 Internal fault Exceeded 28V voltage tolerance Lockout 100 Pressure sensor fault Hold 101 Exchanger sensor fault D...

Страница 90: ...ut of range 4 Lockout 147 Internal fault Flame bias out of range 5 Lockout 148 Internal fault Flame bias out of range 6 Lockout 149 Flame detected Hold Lockout 150 Flame not detected Hold 151 High fire switch ON Hold Lockout 152 Combustion pressure ON Hold Lockout 153 Combustion pressure OFF Hold Lockout 154 Purge fan switch ON Hold Lockout 155 Purge fan switch OFF Hold Lockout 156 Combustion pres...

Страница 91: ...alid light off rate setting Lockout 201 Invalid Light off rate proving setting Lockout 202 Invalid Main Flame Establishing Period time setting Lockout 203 Invalid MFEP flame failure response setting Lockout 204 Invalid NTC sensor type setting Lockout 205 Invalid Outlet high limit response setting Lockout 206 Invalid Pilot Flame Establishing Period setting Lockout 207 Invalid PII enable setting Loc...

Страница 92: ...T cannot be demand source when Remote Stat is enabled Lockout 250 Invalid Fan speed error response Lockout 251 Lead drop stage on error setting does not match drop method configuration Lockout 252 Invalid Line frequency setting Lockout 253 Lead Lag modulation sensor not valid with setpoint source Lockout 254 Lead Lag modulation sensor not valid with local setpoint source Lockout 255 Lead Lag modul...

Страница 93: ...ation switch was turned OFF 26 Lead Lag operation switch was turned ON 27 Safety processor was reset 28 Application processor was reset 29 Burner switch was turned OFF 30 Burner switch was turned ON 31 Program Module PM was inserted into socket 32 Program Module PM was removed from socket 33 Alert PCB was configured 34 Parameter PCB was configured 35 Range PCB was configured 36 Program Module PM i...

Страница 94: ...ed recycle 75 Absolute max fan speed was out of range 76 Absolute min fan speed was out of range 77 Fan gain down was invalid 78 Fan gain up was invalid 79 Fan minimum duty cycle was invalid 80 Fan pulses per revolution was invalid 81 Fan PWM frequency was invalid 82 83 RESERVED 84 Lead Lag CH 4 20mA water temperature setting was invalid 85 No Lead Lag add stage error threshold was configured 86 N...

Страница 95: ...s limited due to outlet limit 124 Modulation rate was limited due to Delta T limit 125 Modulation rate was limited due to stack limit 126 Modulation rate was limited due to anti condensation 127 Fan Speed out of range in RUN 128 Modulation rate was limited due to IAS was open 129 Slow start ramp setting of zero will result in no modulation rate change 130 No forced rate was configured for slow sta...

Страница 96: ... gain was invalid 185 Lead Lag D gain was invalid 186 Lead Lag OFF hysteresis was invalid 187 Lead Lag ON hysteresis was invalid 188 Lead Lag slave enable was invalid 189 Lead Lag hysteresis step time was invalid 190 No Lead Lag Modbus port was assigned 191 Lead Lag base load common setting was invalid 192 Lead Lag DHW demand switch setting was invalid 193 Lead Lag Mix demand switch setting was in...

Страница 97: ...emperature 229 Lead Lag slave communication timeout 230 RESERVED 231 LL set point was invalid 232 LL time of day set point was invalid 233 LL outdoor temperature was invalid 234 LL ODR time of day set point was invalid 235 LL ODR time of day set point exceeded normal set point 236 LL max outdoor set point was invalid 237 LL min outdoor set point was invalid 238 LL min water set point was invalid 2...

Страница 98: ...cle Flame was on during Safe Start check 288 Abnormal Recycle Flame was on during Drive to Purge Rate 289 Abnormal Recycle Flame was on during Measured Purge Time 290 Abnormal Recycle Flame was on during Drive to Light off Rate 291 Abnormal Recycle Flame was not on at end of Ignition period 292 Abnormal Recycle Flame was lost during Main Flame Establishing Period 293 Abnormal Recycle Flame was los...

Страница 99: ...32 Abnormal Recycle Hardware SLO flame bias range 333 Abnormal Recycle Hardware SLO flame bias heat 334 Abnormal Recycle Hardware SLO spark stuck 335 Abnormal Recycle Hardware SLO spark changed 336 Abnormal Recycle Hardware SLO static flame 337 Abnormal Recycle Hardware SLO rod shorted 338 Abnormal Recycle Hardware SLO AD linearity 339 Abnormal Recycle Hardware SLO bias not set 340 Abnormal Recycl...

Страница 100: ...low 380 Abnormal Recycle Fan Speed Not Proven 381 Abnormal Recycle Fan Speed Range Low 382 Abnormal Recycle Fan Speed Range High 383 Abnormal Recycle Pre Ignition test failed recycle 384 388 RESERVED 389 Abnormal Recycle AC power frequency Mismatch 390 447 RESERVED 448 Flame too low 449 Modulation rate was limited due to flame strength 450 RESERVED 451 Circulator control was invalid 452 Circulator...

Страница 101: ...Safety key bit 15 was incorrect 494 Internal error Safety relay timeout 495 Internal error Safety relay commanded off 496 Internal error Unknown safety error occurred 497 Internal error Safety timer was corrupt 498 Internal error Safety timer was expired 499 Internal error Safety timings 500 Internal error Safety shutdown 550 Delta T inlet outlet limit was exceeded 553 Inlet outlet inversion occur...

Страница 102: ...Trinity Lx Installation and Operation Instructions Lx WH Series 102 Table 17 4 Alert Codes Code Description 629 Disagreement on number of interacting controls NOTES ...

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

Страница 104: ...nstallation and Operation Instructions Lx WH 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 1 506 432 1135 ...

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