Table of Contents
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WARNING:
If the information in these instructions
is not followed exactly, a fire or explosion may 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 near by phone.
Follow the gas supplier's instructions.
• 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.
Installation & Service
Manual
Models: SNR126-065, SNR151-100,
SNR201-100, SNA151-100, SNA201-100,
SNA286-125, SNA401-125, AND SNA501-125
This manual must only be used by
WARNING
a qualified heating installer / service
technician.
this manual before installing. Perform
steps in the order given. Failure to
comply could result in severe personal
injury, death, or substantial property
damage.
Save this manual for future reference.
SHW-I-S Rev G
Read all instructions in
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Table of Contents
Troubleshooting
Related Manuals for Shield Shield SNR126-065
Summary of Contents for Shield Shield SNR126-065
- Page 1 SHW-I-S Rev G Installation & Service Manual Models: SNR126-065, SNR151-100, SNR201-100, SNA151-100, SNA201-100, SNA286-125, SNA401-125, AND SNA501-125 WARNING: If the information in these instructions is not followed exactly, a fire or explosion may 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.
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Page 2: Table Of Contents
Contents PLEASE READ BEFORE PROCEEDING ...... 3 8. CONDENSATE DISPOSAL Hazard Definitions ............3 Condensate Drain ............46 THE SHIELD -- HOW IT WORKS ....... 4-6 9. START-UP RATINGS ................. 7 Check for Gas Leaks ............47 1. DETERMINE WATER HEATER LOCATION Inspect/fill Condensate System ........ -
Page 3: Please Read Before Proceeding
Installation & Service Manual Please read before proceeding Hazard definitions The following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk levels or to important information concerning the life of the product. DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or serious DANGER injury. -
Page 4: The Shield - How It Works
Installation & Service Manual The Shield - How it works... Access cover - front 18. Heat exchanger inlet temperature sensor Provides access to the gas train, heat exchanger and controls. This sensor monitors the inlet water temperature to the heat exchanger. - Page 5 Installation & Service Manual The Shield - How it works... (continued) Models 126-065 -- 201-100 IMG00461 IMG00461 Front View - Models 126-065 -- 201-100 Rear View - Models 126-065 -- 201-100 IMG00461 IMG00461 Right Side (inside unit) -- Models 126-065 -- 201-100 Left Side (inside unit) -- Models 126-065 -- 201-100...
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Page 6: The Shield -- How It Works
Installation & Service Manual The Shield - How it works... Models 286-125 -- 401-125 IMG00461 IMG00461 Rear View - Models 286-125 -- 401-125 Right Side (inside unit) - Models 286-125 -- 401-125 Model 501-125 IMG00461 IMG00461 Rear View - Model 501-125 Right Side (inside unit) - Model 501-125... -
Page 7: Ratings
Installation & Service Manual Ratings LOW LEAD CONTENT Model Number Water Content Water Vent/Air Size Input Modulation Btu/hr Note: Change “N” Gallons Connections Connections to “L” for L.P. gas (Note 2) models. (Note 1,4) SNR126-065 25,000 - 125,000 1-1/2" 1/2" 3"... -
Page 8: Determine Water Heater Location
Installation & Service Manual Determine water heater location Installation must comply with: This appliance requires a special venting WARNING system. The vent connection to the • Local, state, provincial, and national codes, laws, appliance must be made with the CPVC regulations, and ordinances. - Page 9 Installation & Service Manual Determine water heater location (continued) Figure 1-1 Closet Installation - Minimum Required Clearances For closet installations, CPVC, 1/4" (6.35 MM) MINIMUM CLEARANCE WARNING AROUND HOT WATER PIPES polypropylene or stainless steel 1" (25.4 MM) MINIMUM CLEARANCE vent material MUST BE used in AROUND VENT PIPE a closet structure due to elevated...
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Page 10: Flooring And Foundation
Installation & Service Manual Determine water heater location Flooring and foundation Table 1A Corrosive Contaminants and Sources Products to avoid: Flooring Spray cans containing chloro/fluorocarbons The Shield water heater is approved for installation on combustible flooring, but must never be installed on carpeting. Permanent wave solutions Do not install the water heater on carpeting WARNING... -
Page 11: Using An Existing Vent System To Install A New Water Heater
Installation & Service Manual Determine water heater location (continued) When removing a water heater from When using an existing vent system to existing common vent system: install a new water heater: Failure to follow all instructions can result Do not install the Shield water heater WARNING DANGER in flue gas spillage and carbon monoxide... -
Page 12: Removing Water Heater From Existing Common Vent . 11 Combustion & Ventilation Air Requirements
Installation & Service Manual Determine water heater location Maintain minimum specified clearances for adequate If air is taken directly from outside the building operation. All installations must allow sufficient space for with no duct, provide two permanent openings to servicing the vent connections, water pipe connections, the equipment room (see FIG. - Page 13 Installation & Service Manual Determine water heater location (continued) IF NECESSARY FOR TIGHT CONSTRUCTION Figure 1-6_Combustion Air from Outside - Single Opening Figure 1-5_Combustion Air from Interior Space If a single combustion air opening is provided to bring If air is taken from another interior space, each of the combustion air in directly from the outdoors, the opening two openings specified above should have a net free must be sized based on a minimum free area of one square...
- Page 14 Installation & Service Manual Determine water heater location The combustion air supply must be completely free of any Combustion air requirements are based on the latest edition flammable vapors that may ignite or chemical fumes which of the National Fuel Gas Code, ANSI Z223.1; in Canada refer to the latest edition of CGA Standard CAN B149.1.
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Page 15: General Venting
Installation & Service Manual General venting Direct venting options - Sidewall Vent IMG00464 IMG00464 Figure 2-2 PVC/CPVC Concentric Sidewall Termination Figure 2-1 Two-Pipe Sidewall Termination - See page - See page 27 for more details 23 for more details Direct venting options - Vertical Vent IMG00466 IMG00466 IMG00466... -
Page 16: Install Vent And Combustion Air Piping
Installation & Service Manual General venting Install vent and combustion air piping The Shield water heater must be vented and The Shield water heater vent and air piping can be installed DANGER supplied with combustion and ventilation through the roof or through a sidewall. Follow the procedures air as described in this section. -
Page 17: Requirements For Installation In Canada
60 equivalent feet each. The 3" Concentric Vent Kit available from Lochinvar (see The minimum allowable combustion Section 3 – Sidewall Termination – Optional Concentric air and vent pipe lengths remain 12 Vent) and the 3"... -
Page 18: Materials
Installation & Service Manual General venting Materials Air inlet pipe materials: The PVC, CPVC, or ABS air inlet pipe should be cleaned and The air inlet pipe(s) must be sealed. Choose acceptable sealed with the pipe manufacturer’s recommended solvents combustion air inlet pipe materials from the following list: and standard commercial pipe cement for the material used. -
Page 19: Optional Room Air
Installation & Service Manual General venting (continued) Optional room air Air contamination Pool and laundry products and common household and hobby Optional room air is intended for NOTICE products often contain fluorine or chlorine compounds. When commercial applications. Combustion these chemicals pass through the water heater, they can form air piping to the outside is recommended strong acids. -
Page 20: Pvc/Cpvc
Installation & Service Manual General venting PVC/CPVC Work from the water heater to vent or air termination. Do not exceed the lengths given in this manual for the This product has been approved for use with the PVC/CPVC air or vent piping. vent materials listed in Table 2D. -
Page 21: Polypropylene
Installation & Service Manual General venting (continued) The installer must use a specific vent starter Polypropylene NOTICE adapter at the flue collar connection. The adapter is supplied by the vent manufacturer This product has been approved for use with polypropylene to adapt to its vent system. -
Page 22: Stainless Steel Vent
Installation & Service Manual General venting Stainless steel vent Installation of a stainless steel vent system NOTICE should adhere to the stainless steel vent This product has been approved for use with stainless steel manufacturer’s installation instructions using the manufacturers listed in Table 2G. supplied with the vent system. -
Page 23: Sidewall Direct Venting
Installation & Service Manual Sidewall direct venting Vent/air termination – sidewall Follow instructions below when Figure 3-1A PVC/CPVC/Polypropylene Sidewall Termination WARNING determining vent location to avoid of Air and Vent TO BOILER possibility of severe personal injury, INTAKE AIR CONNECTION death, or substantial property damage. - Page 24 Installation & Service Manual Sidewall direct venting Vent/air termination – sidewall 6. Locate terminations so they are not likely to be damaged Figure 3-1C Alternate PVC/CPVC/SS/ Polypropylene Venting by foreign objects, such as stones or balls, or subject to Arrangement (if Space Allows) w/Field Supplied Fittings buildup of leaves or sediment.
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Page 25: Prepare Wall Penetrations
Installation & Service Manual Sidewall direct venting (continued) Figure 3-3B Alternate Clearance to Forced Air Inlets w/ Figure 3-4A PVC/CPVC Sidewall Termination Assembly Field Supplied Fittings IF LESS THAN 10’ 36” VENT MIN. FORCED AIR AIR PIPING CENTERLINE WIDTH INLET BIRD VENT PIPING SCREEN... - Page 26 Installation & Service Manual Sidewall direct venting Prepare wall penetrations (Alternate - Figure 3-5A Multiple Vent Terminations (must also Field Supplied Option) comply with Figure 3-1A) Air pipe penetration: 12" MIN. BETWEEN EDGE OF AIR Cut a hole for the air pipe. Size the air pipe hole as INLET AND ADJACENT VENT OUTLET close as desired to the air pipe outside diameter.
- Page 27 (continued) Sidewall termination – optional concentric vent Description and usage Lochinvar offers optional concentric combustion air and vent 3. Cut one (1) hole (5 inch diameter for #CVK3003 pipe termination kits (Factory Kit #CVK3003 for 3" diameter installations or 7 inch diameter for #CVK3007 - Models 126-065 - 201-100 and #CVK3007 for 4"...
- Page 28 Installation & Service Manual Sidewall direct venting Sidewall termination – optional concentric vent Figure 3-9 Concentric Vent Dimensional Drawing - Figure 3-10 Concentric Vent Dimensional Drawing - Models 126-065 -- 201-100 / CVK3003 Models 286-125 -- 501-125 / CVK3007 "A" "B"...
- Page 29 Installation & Service Manual Sidewall direct venting (continued) Sidewall termination – optional concentric vent Figure 3-12 Concentric Vent Sidewall Attachment Note: CVK3003 shown for illustration purposes. Multiventing sidewall terminations DO NOT use field-supplied couplings CAUTION to extend pipes. Airflow restriction When two (2) or more direct vent appliances are vented near will occur and may cause intermittent each other, each appliance must be individually vented (see FIG.
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Page 30: Vertical Direct Venting
Installation & Service Manual Vertical direct venting Vent/air termination – vertical Follow instructions below when determining Rooftop vent and air inlet terminations WARNING WARNING vent location to avoid possibility of severe must terminate in the same pressure zone, personal injury, death or substantial unless vertical vent sidewall air is set up as property damage. - Page 31 Installation & Service Manual Vertical direct venting (continued) Vent/air termination – vertical Prepare roof penetrations Figure 4-2 Vertical Terminations with Multiple Water Air pipe penetration: Heaters Cut a hole for the air pipe. Size the air pipe hole as close as desired to the air pipe outside diameter. Vent pipe penetration: Cut a hole for the vent pipe.
- Page 32 Description and usage 2. Cut one (1) hole (5 inch diameter for #CVK3003 installations Lochinvar offers an optional concentric combustion air and or 7 inch diameter for #CVK3007 installations) into the vent pipe termination kit. Both combustion air and vent structure to install the termination kit.
- Page 33 Installation & Service Manual Vertical direct venting (continued) Vertical termination – optional concentric vent Do not operate the appliance with DO NOT use field-supplied couplings WARNING CAUTION the rain cap removed or recirculation to extend pipes. Airflow restriction will of combustion products may occur. occur.
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Page 34: System Piping
Installation & Service Manual System piping System water piping methods 2. If this water heater is installed in a closed water supply system, such as the one having a backflow preventer in Observe a minimum of one inch clearance around all the cold water supply, provisions must be made to control un-insulated hot water pipes when openings around the pipes thermal expansion. -
Page 35: Water Chemistry
Installation & Service Manual System piping (continued) Piping components The following chart (Table 5A) details the relationship of water temperature and time with regard to scald injury Check valves: and may be used as a guide in determining the safest water temperature for your applications. -
Page 36: Piping Diagrams
Installation & Service Manual System piping Figure 5-2 Single Unit COLD WATER FLOW CHECK VALVE SUPPLY (TYPICAL) MIXING VALVE SYSTEM (IF REQUIRED) CIRCULATOR BUILDING RETURN HOT WATER SUPPLY EXPANSION TANK BALL VALVE (TYPICAL) UNION (TYPICAL) IMG00471 Please note that these illustrations are meant to show system piping concept only, the installer is responsible NOTICE for all equipment and detailing required by local codes. - Page 37 Installation & Service Manual System piping (continued) Figure 5-3 Multiple Units COLD WATER FLOW CHECK VALVE SUPPLY (TYPICAL) BALL VALVE (TYPICAL) SYSTEM BUILDING CIRCULATOR MIXING VALVE RETURN (IF REQUIRED) EXPANSION TANK HOT WATER SUPPLY UNION (TYPICAL) IMG00473 Please note that these illustrations are meant to show system piping concept only, the installer is responsible NOTICE for all equipment and detailing required by local codes.
- Page 38 Installation & Service Manual System piping Figure 5-4 Two Temperature - Single Unit 180° HOT WATER SUPPLY 140° HOT THERMOMETER WATER SUPPLY (TYPICAL) COLD WATER FLOW CHECK VALVE SUPPLY (TYPICAL) SYSTEM MIXING VALVE CIRCULATOR (TYPICAL) LOW TEMPERATURE BUILDING RETURN EXPANSION TANK BALL VALVE (TYPICAL)
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Page 39: Gas Connections Connecting Gas Supply Piping
Installation & Service Manual Gas connections Connecting gas supply piping 1. Install ground joint union for servicing, when 4. Support piping with hangers, not by the water heater or its required. accessories. The gas valve and blower will not support 2. -
Page 40: Natural Gas
Installation & Service Manual Gas connections Natural gas: Failure to apply pipe sealing compound as WARNING detailed in this manual can result in severe Pipe sizing for natural gas personal injury, death, or substantial property damage. 1. Refer to Table 6A for pipe length and diameter. Based on Shield water heaters are typically shipped rated water heater input (divide by 1,000 to obtain cubic WARNING... -
Page 41: Check Inlet Gas Supply
Installation & Service Manual Gas connections (continued) Table 6A Natural Gas Pipe Size Chart Capacity of Schedule 40 Metallic Pipe in Cubic Feet of Natural Gas Per Hour (based on .60 specific gravity, 0.30" w.c. pressure drop) Pipe Length of Pipe in Straight Feet Size (Inches) 1 1/4... -
Page 42: Gas Pressure
Installation & Service Manual Gas connections Gas pressure 17. Check burner performance by cycling the system while you observe burner response. The burner should ignite The gas pressure must remain between 4 inches w.c. (natural), promptly. Flame pattern should be stable. Turn system 8 inches w.c. -
Page 43: Field Wiring
Installation & Service Manual Field wiring Installation must comply with: ELECTRICAL SHOCK HAZARD – For WARNING your safety, turn off electrical power supply 1. National Electrical Code and any other national, state, before making any electrical connections provincial, or local codes, or regulations. to avoid possible electric shock hazard. - Page 44 Installation & Service Manual Field wiring Figure 7-3 Low Voltage Field Wiring Connections...
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Page 45: Control Board
Installation & Service Manual Field wiring (continued) Figure 7-4 Control Inputs/Outputs INPUTS LOW VOLTAGE LOUVER PROVING SWITCH CONNECTION BOARD LOW WATER CUTOFF ENABLE SWITCH TANK SENSOR INLET TEMPERATURE SENSOR OUTLET TEMPERATURE / HIGH LIMIT SENSOR FLUE GAS SENSOR AIR PRESSURE SWITCH FLAME SENSOR IMG00484 BLOCKED DRAIN SWITCH... -
Page 46: Condensate Disposal Condensate Drain
Installation & Service Manual Condensate disposal Condensate drain To allow for proper drainage on large 1. This water heater is a high efficiency appliance that NOTICE horizontal runs, a second line vent may produces condensate. be required and tubing size may need to 2. -
Page 47: Start-Up
Installation & Service Manual Start-up Chlorine concentration less than 200 ppm Propane water heaters only – Your propane WARNING supplier mixes an odorant with the propane 1. Do not fill the water heater or operate with water to make its presence detectable. In some containing chlorine in excess of 200 ppm. - Page 48 Installation & Service Manual Start-up Start the water heater Check flame and combustion 1. Shut the water heater down by pressing the UP button 1. Read and follow the Operating instructions in FIG.’s 9-2 and for five (5) seconds. 9-3, pages 49 and 50. 2.
- Page 49 Installation & Service Manual Start-up (continued) Figure 9-2 Operating Instructions - Models 126-065 -- 286-125...
- Page 50 Installation & Service Manual Start-up Figure 9-3 Operating Instructions - Models 401-125 -- 501-125...
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Page 51: Operating Information
Installation & Service Manual Operating information General The control monitors the temperature difference between the heat exchanger inlet and the heat exchanger outlet sensors. If How the water heater operates this difference exceeds 25°F the control will reduce the fan speed. -
Page 52: Water Heater Temperature Regulation
Installation & Service Manual Operating information Water heater temperature regulation Adjustable control parameters Operating temperature (target) Date and time The electronic control module senses water temperature in The control uses an internal clock for the night setback feature the tank and regulates water heater ignition and firing rate to and for logging of events. - Page 53 Installation & Service Manual Operating information (continued) The day of the week (1 - 7) for that trigger will then appear Table 10B Temperature Parameter Settings in the lower digits on the display (1 = Monday, 2 = Tuesday, Factory etc.,).
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Page 54: The Shield Control Module
Installation & Service Manual Operating information Shield control module Use the control panel (FIG. 10-1) to set temperatures, operating conditions, and monitor water heater operation. Figure 10-1 Control Panel • Press to select various operating data • Press to adjust parameters in menus IMG00553 •... -
Page 55: Maintenance Maintenance And Annual Startup
Installation & Service Manual Maintenance Maintenance and annual startup Table 11A Service and Maintenance Schedules Service technician Owner maintenance (see the following pages for instructions) General: • Address reported problems • Inspect interior; clean and vacuum if necessary; • Clean condensate trap and fill with fresh Daily •... -
Page 56: Address Reported Problems
Installation & Service Manual Maintenance Follow the service and maintenance procedures given throughout this manual and in component literature WARNING shipped with the water heater. Failure to perform the service and maintenance could result in damage to the water heater or system. Failure to follow the directions in this manual and component literature could result in severe personal injury, death, or substantial property damage. -
Page 57: Check Expansion Tank
Installation & Service Manual Maintenance (continued) Check expansion tank 2. After following the warning directions, if the relief valve weeps or will not seat properly, replace the relief valve. 1. Expansion tanks provide space for water to move in and Ensure that the reason for relief valve weeping is the valve out as the water expands due to temperature increase or and not over-pressurization of the system due to expansion... -
Page 58: Check Burner Flames
Installation & Service Manual Maintenance Check burner flame Handling ceramic fiber materials REMOVAL OF COMBUSTION CHAMBER 1. Inspect flame through observation window. LINING 2. If the flame is unsatisfactory at either high fire or low The combustion chamber insulation in fire, turn off water heater and allow water heater to WARNING this appliance contains ceramic fiber... -
Page 59: Oiled Bearing Circulators
Installation & Service Manual Maintenance (continued) 3. Remove the nuts securing the heat exchanger access cover Figure 11-3 Rope Gasket - Heat Exchanger Door to the heat exchanger and set aside. Remove the heat exchanger access cover, burner, and ROPE GASKET gas/air arm assembly. -
Page 60: Troubleshooting
Installation & Service Manual Troubleshooting Check control module fuses Label all wires prior to disconnection WARNING when servicing controls. Wiring errors ALWAYS check control module fuses can cause improper and dangerous NOTICE before replacing control module or any operation. Always disconnect power major components (blower, etc.). -
Page 61: Troubleshooting Chart - No Display
Installation & Service Manual Troubleshooting (continued) Table 12A Troubleshooting Chart - No Display FAULT CAUSE CORRECTIVE ACTION - No 120 VAC supplied to unit. • Check external line switch, fuse, or breaker. • Check wiring harness connection between display board and main control board. Connect harness at both points. -
Page 62: Checking Temperature Sensors
Installation & Service Manual Troubleshooting Checking temperature sensors The water heater temperature sensors (inlet water, outlet water, tank water, and flue) are all resistance type devices. The following tables show the correct values for the sensors at various temperatures. Use an ohmmeter to read the resistance of the sensor at a known temperature. -
Page 63: Troubleshooting Chart - Noisy System
Installation & Service Manual Troubleshooting (continued) Table 12D Troubleshooting Chart - Noisy System FAULT CAUSE CORRECTIVE ACTION - Supply gas problem. Natural gas pressures should be between 4 inches w.c. and • Refer to Section 6 - Gas Connections for detailed 14 inches w.c. -
Page 64: Troubleshooting Chart - Fault Messages Displayed
Installation & Service Manual Troubleshooting Table 12E Troubleshooting Chart - Fault Messages Displayed on Water Heater Interface ERROR CODE DESCRIPTION CORRECTIVE ACTION • Reset control module. Invalid lockout code. • Switch power OFF and ON. • Replace control module. The control module has detected parameter •... -
Page 65: Corrective Action
Installation & Service Manual Troubleshooting (continued) Table 12E (continued from previous page) Troubleshooting Chart - Fault Messages Displayed on Water Heater Interface ERROR CODE DESCRIPTION CORRECTIVE ACTION • Adjust the set point of the auto reset limit to a higher setting up to a maximum of 200°F. - Page 66 Installation & Service Manual Troubleshooting Table 12E (continued from previous page) Troubleshooting Chart - Fault Messages Displayed on Water Heater Interface ERROR CODE DESCRIPTION CORRECTIVE ACTION • Inspect spark electrode and associated wiring for damage and connection. Reference page 57 of this manual for removal and cleaning procedures.
- Page 67 Installation & Service Manual Troubleshooting (continued) Table 12E (continued from previous page) Troubleshooting Chart - Fault Messages Displayed on Water Heater Interface ERROR CODE DESCRIPTION CORRECTIVE ACTION • Inspect the heat exchanger. Reference page 58 of The flue temperature has exceeded 250°F. this manual for the procedure on how to clean the flue side of the heat exchanger.
- Page 68 Installation & Service Manual Troubleshooting Table 12E (continued from previous page) Troubleshooting Chart - Fault Messages Displayed on Water Heater Interface ERROR CODE DESCRIPTION CORRECTIVE ACTION • Check the sensor and its associated wiring. Repair (will require a manual or replace the sensor or wiring if damaged. reset once the condition One or both of the outlet sensors has opened or shorted.
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Page 69: Displayed
Installation & Service Manual Troubleshooting (continued) Table 12E (continued from previous page) Troubleshooting Chart - Fault Messages Displayed on Water Heater Interface ERROR CODE DESCRIPTION CORRECTIVE ACTION • Check 120 vac supply to the transformer. • Check wiring connections at the low voltage terminal strip. -
Page 70: Combustion Analysis Procedure
Installation & Service Manual Troubleshooting Combustion Analysis Procedure 1. Shut the water heater down by pressing the UP button for Replace the flue sensor and grommet into the vent five (5) seconds. connection. 2. Locate the flue sensor in the vent connection. Place the Shield water heater back into normal operation. -
Page 71: Gas Valve Adjustment Procedure
Installation & Service Manual Troubleshooting (continued) Gas valve adjustment procedure If adjustment of the gas valve is deemed necessary, use the Figure 12-3 Gas Valve Adjustment: Model 401-125 following procedures: (Note: The procedures below are model specific.) Models 126-065 -- 286-125 Locate the throttle adjustment screw on the side of the venturi valve (FIG. -
Page 72: Diagrams
Installation & Service Manual Diagrams Figure 13-1 Ladder Diagram 120VAC JUNCTION BOX NEUTRAL GROUND TERMINAL STRIP TERMINAL STRIP 120V SUPPLY "L" 120V SUPPLY "N" INTEGRATED CONTROL DHW PUMP PUMP CONTACTS X1-1 X1-6 BLOWER 3.15A JUNCTION BOX X1-2 DHW PUMP DHW PUMP RELAY RELAY X4-3... -
Page 73: Wiring Diagram
Installation & Service Manual Diagrams (continued) Figure 13-2 Wiring Diagram VALVE R/BK X5-4 OUTLET SENSOR X5-12 OUTLET SENSOR X5-6 PK/BK INLET SENSOR LWCO W/BK X5-5 FLUE SENSOR X5-13 FLUE SENSOR CONNECTION X5-14 X5-14 BOARD CN3-1 X5-2 CN3-2 CN3-3 X5-10 CN3-4 X5-11 O/BK ALARM... - Page 74 Notes...
- Page 75 Notes...
- Page 76 Revision Notes: Revision A (ECO #C12258) initial release. Revision B (ECO #C12665) reflects the addition of the CSA Low Lead Content logo. Revision C (ECO #C11814) reflects the addition of Metal Fab and Security Chimney to the manual. Revision D (ECO #C13833) reflects the removal of the page number reference on page 15, the addition of the corrosive contaminant warning on page 3 (R06313), changes made to Table 6A - Gas Piping Chart on page 41 (R6621), the addition of the Temperature...
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