Bradford White EFR160T120 Series Installation & Operating Manual Download Page 73

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Ignition Control Assembly

Control Mounting Panel

Secondary Transformer Harness

Thermostat PC Board

10C

Blower Harness

Transformer – 120/24 VAC

11C

Power Switch Harness

Terminal

12C

Powered Anode Harness (399 only)

5C Terminal

Strip

13C

Black Powered Anode Wire Assembly (399
only)

Powered Anode Control (399
only) 14C

White Powered Anode Wire Assembly (399
only)

7C Controller

harness

15C

Green Powered Anode Wire Assembly (399
only)

Primary Transformer Harness

16C

Sensor Wire Assembly (399 only)

Customer must specify complete model number and serial number when ordering service parts.

2 Combustion Assembly (pictured previous page)

1A Combustion Assembly (Specify model) 14A Inlet (PVC)

Blower/Gas Valve Assembly (Specify
model) 15A

Gasket Blower Transition (Specify
model)

3A Burner Assembly (Specify model)

16A Screw 8-32 x ¼ RHCR

4A Blower – EBM (Specify model)

17A Gasket Flame Sensor

5A Silicone Hose

18A Flame Sensor

6A Burner Mounting Insert Gasket

19A Transition Tube

7A Screw 10-32 x ¾ SHCS

20A Nut Hex Washer

8A Gasket & Screw

21A Gasket Spark Rod

9A Gas Valve (Specify model)

22A Spark Rod

10A Nipple 1/2 NPT x 3"

23A Burner Mounting Gasket

11A Reducer ¾ x ½ NPT (or ¾” x 1” for 399) 24A Burner 21 Port
12A Nipple ¾ NPT x 6" (or 1” NPT for 399)

25A Burner Mounting Gasket

13A

2" dia. Flex Reducer (or PVC reducer
for 399)

26A Burner Mounting Insert

Summary of Contents for EFR160T120 Series

Page 1: ...t 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 supplier s instructions If you cannot reach your gas supplier call the fire department For your family s comfort safety and convenience it is recommended this water heater be installed and serviced by a plumbing professional WARNING If the information in the...

Page 2: ...A This water heater must be installed in accordance with local codes In the absence of local codes it must be installed in compliance with the National Fuel Gas Code ANSI Z223 1 Latest Edition or in Canada CAN CGA B149 1 Natural Gas Installation Code Latest Edition or CAN CGA B149 2 Propane Installation Code Latest Edition The following terms are used throughout this manual to bring attention to t...

Page 3: ...e relief valve is installed into the proper location at the top of this water heater It is the responsibility of the installing contractor to see that all controls are correctly installed and are properly operating when the installation is complete This water heater is suitable for installation on combustible flooring Do not install water heater directly on carpeting DO NOT operate this water heat...

Page 4: ...E IES 90 1b latest edition standards with respect to insulation and standby loss requirements Hydrogen gas can be produced in an operating water heater that has not had water drawn from the tank for a long period of time generally two weeks or more Hydrogen gas is extremely flammable To prevent the possibility of injury under these conditions we recommend the hot water faucet to be open for severa...

Page 5: ...ia Relief Valve Open Shpg Wt LBS EFR 1 60T120 120 000 180 345 138 99 60 95 0 57 28 5 13 40 42 52 53 1 1 570 Recovery LPH At Degree Rise DIMENSIONS MILLIMETERS Model No Input Rate KW 1st Hr Del LPH at 56 C Rise 22 C 56 C 78 C Stg Cap Liter Therm Eff A Ht B Dia C Flr to Vent Outlet D Flr to Inlet Wtr Conn E Flr to T P Valve Conn F Fl to Outlet Wtr Conn G Fl to Air Intake H Fl to Gas Conn Front Wtr C...

Page 6: ...ustable thermostat to control water temperature Hot water temperatures required for automatic dishwasher and laundry use can cause scald burns resulting in serious personal injury and or death The temperature may be adjusted from about 70 F 21 C to about 180 F 82 C The thermostat was adjusted to 70 F 21 C before the water heater was shipped from the factory It is recommended that lower temperature...

Page 7: ... a combination temperature and pressure relief valve certified by a nationally recognized testing laboratory that maintains periodic inspection of production of listed equipment or materials as meeting the requirements of the Standard for Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems ANSI Z21 22 and the Standard CAN1 4 4 Temperature Pressure Temperature and Pressure ...

Page 8: ...connection of an elbow to the drain outlet and a condensate trap Figure 2 Condensate Elbow With Trap CLEANOUT All models are equipped with a cleanout opening to aid in removal of hard water deposits from the tank bottom If this water heater operates under hard water conditions the following should be performed at least every 3 months Turn off water supply and drain the water heater Remove the clea...

Page 9: ...l serve as pockets for accumulation of leaking gas Before lighting smell all around the appliance area for gas Be sure to smell next to the floor IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any telephone in your building Immediately call your gas supplier from a telephone in another building Follow the gas supplier s instructions If you cannot rea...

Page 10: ... Bradford White Corporation and noted on the Bill of Lading 3 Remove all venting components and mixing valve from the combustion assembly compartment by removing the latches NOTICE The mixing valve vent terminals and the condensate elbow that are supplied with this water heater are stored at the top in the Combustion Assembly Compartment To access these parts unlatch the top lid Be sure to replace...

Page 11: ...11 Figure 3a Minimum Clearance To Combustible Material Figure 3b Recommended Minimum Clearances For Service Access ...

Page 12: ...mostat on this water heater to obtain an increased water temperature without properly installing the supplied mixing device you may create the potential for scald injury To protect against injury the supplied ASSE approved mixing device a device to limit the temperature of water to protect against scald injury via mixing hot and cold water supply must be properly installed in the water system This...

Page 13: ... total input of all appliances in the enclosure but not less than 100 inches 645 2 cm 2 If the confined space is within a building of tight construction air for combustion and ventilation must be obtained from outdoors This may be accomplished by piping air directly to the water heater from outside or providing opening or ducts in the wall When directly communicating with the outdoors through vert...

Page 14: ...14 Figure 4 Typical Front Inlet Connection Figure 5 Typical Front Inlet Connect with Storage Heater ...

Page 15: ...15 Figure 6 Typical Two Water Heater Connection Figure 7 Typical Three Water Heater Connection Figure 8 Typical Four Water Heater Connection ...

Page 16: ...ed in the control compartment Refer to the instructions supplied with the mixing valve for proper installation and settings INSTRUCTIONS FOR CONNECTIONS 1 BEFORE PROCEEDING WITH THE INSTALLATION CLOSE THE MAIN WATER SUPPLY VALVE After shutting off the main water supply open a faucet to relieve the water line pressure to prevent any water from leaking out of the pipes while making the water connect...

Page 17: ...RNATE SPACE HEATING WATER CONNECTIONS DANGER Toxic chemicals such as those used for boiler treatment must not be introduced into potable water used for space heating This water heater must not be connected to an existing heating system or component s previously used with a non potable water heating appliance All piping components connected to this water heater for space heating applications must b...

Page 18: ...s or ceilings unless rubber isolation pipe hangers are used This prevents any vibrations from being transmitted into the living spaces Do not exceed the venting distances or the number of elbows listed in this manual Exceeding the maximum venting distances may cause the water heater to malfunction or cause an unsafe condition DO NOT operate this water heater until the venting installation is compl...

Page 19: ...nd specified primers and cements of the certified vent system must be from a single system manufacturer and not intermixed with other system manufacturer s vent system parts The supplied vent connector and vent termination are certified under ULC S636 and are also certified as part of the water heater Refer to the following tables for approved venting materials primers and cements All approved pri...

Page 20: ...rent size on the intake and exhaust venting For 3 inch 7 6 cm and 4 inch 10 2 cm venting use the supplied 2 inch 5 1 cm vent terminals Be sure the condensate runs freely to a drain and does not accumulate inside the water heater In cold climates precautions may need to be taken to insure that the condensate drain does not freeze Make sure the condensate trap or drain loop is installed to prevent f...

Page 21: ...ust vent terminal NOTICE If 4 inch 10 2 cm pipe is used then a use a 4 inch 10 2 cm to 2 inch 7 6 cm reducer fitting before exiting the wall or roof to use the supplied screened intake and exhaust terminals If 3 inch 5 1 cm pipe is used then use a 3 inch 5 1 cm to 2 inch 7 6 cm reducer fitting before exiting the wall or roof to use the supplied screened intake and exhaust terminals Direct Vent Ter...

Page 22: ...soffit located above the terminal within a horizontal distance of 2 feet 61 m from the center line of the terminal b b K Clearance to a mechanical air supply inlet 6 feet 1 8 m 3 feet 9 m above if within 10 feet 3 m horizontally E Clearance to unventilated soffit b b L Clearance above paved sidewalk or paved driveway located on public property 7 feet 2 1 m 7 feet 2 1 m F Clearance to outside corne...

Page 23: ...nches 30 5 cm a 12 inches 30 5 cm a K Clearance to a mechanical air supply inlet 6 feet 1 8 m 3 feet 9 m above if within 10 feet 3 m horizontally E Clearance to unventilated soffit 12 inches 30 5 cm a 12 inches 30 5 cm a L Clearance above paved sidewalk or paved driveway located on public property 7 feet 2 1 m b F Clearance to outside corner b b M Clearance under a veranda porch deck or balcony 12...

Page 24: ...OT use the placement of insulation or other materials in the required clearance spaces surrounding the venting to combustible material unless otherwise specified Horizontal Installation In a horizontal application it is important that condensate not be allowed to buildup in the exhaust vent pipe To prevent this from happening the pipe should be installed with a slight upward slope so the condensat...

Page 25: ...feet 9 m of horizontal run of vent pipe length CAUTION Failure to properly support the vent piping with hangers and clamps may result in damage to the water heater or venting system Stress levels in the pipe and fittings can be significantly increased by improper installation If rigid pipe clamps are used to hold the pipe in place or if the pipe cannot move freely through a wall penetration the pi...

Page 26: ...utside walls Through The Wall Venting With Low Ground Clearance When venting cannot exit through the wall at a height greater than or equal to 12 inches 30 5 cm and above expected snow level from the ground then the installation must be modified as shown below see Figure 15 Figure 15 Vent Terminal Low Ground Clearance ...

Page 27: ...ICE Do not include the condensate elbow or vent terminals in determining maximum vent length POWER VENT INSTALLATION Power venting is where the indoor air is used and the exhaust is vented to the outside Venting may be run horizontally through an outside wall or vertically through a roof through using either 2 inch 5 1 cm 3 inch 7 6 cm or 4 inch 10 2 cm diameter pipe This water heater is supplied ...

Page 28: ...eter vent terminal 2 Use the proper cement or sealant to secure the exhaust vent terminal provided with the water heater to the pipes The distance between the back edge of the exhaust vent terminal and the exterior wall see Figure 16 must be 6 inches 15 3 cm Use the proper cement and assembly procedures to secure the vent connector joints between the terminal and the blower outlet Provide support ...

Page 29: ...pes as shown in Figure 17 Make sure that the installation meets the local codes and or The National Fuel Gas Code ANSI Z223 1 Latest Edition or CGA CAN B149 Installation Code Figure 17 Typical Vertical Power Vent System Installation CAUTION Failure to properly support the vent piping with hangers and clamps may result in damage to the water heater or venting system ...

Page 30: ...120 EF100T150 60 18 120 36 170 51 Table 4 Determining required vent length 1 Determine the total length of straight vent pipe in feet required 2 Add 5 feet 1 5 m of venting for every 90 elbow 3 Add 2 feet 7 m of venting for every 45 elbow 4 Total vent length cannot exceed Max Vent Length in Table 4 Example of Total Vent Length for EF100T199 with a power vented installation A 3 inch 7 6 cm venting ...

Page 31: ...KE EXHAUST TERMINAL SEPARATION DISTANCES Note When installing multiple intake exhaust terminals on the same wall of a building the nearest intake terminal must be at least 5 feet 1 5 m from the nearest exhaust terminal ...

Page 32: ...ucts may occur Water may also collect inside larger combustion air pipe and flow to the burner assembly Failure to follow this warning could result in product damage or improper operation personal injury or death CAUTION DO NOT use field supplied couplings to extend pipes Airflow restriction will occur and the water heater pressure switches may cause intermittent problems Vertical Installation 1 B...

Page 33: ... If assembly is too short to meet height requirements the two pipes supplied in the kit may be replaced by using the same diameter pipe DO NOT extend the overall dimension by more than 60 inches 152 4 cm See Figure 19 Figure 22 Concentric Vent Roof Top Attachment 7 Install rain cap and small diameter pipe assembly in roof penetration assembly Ensure small diameter pipe is cemented and bottomed in ...

Page 34: ... Install concentric Y fitting and pipe assembly through the structure s hole and field supplied roof boot flashing Do not allow insulation or other materials to accumulate inside pipe assembly when installing through the hole 6 Install rain cap and small diameter pipe assembly in concentric Y fitting and large pipe assembly Ensure small diameter pipe is cemented and bottomed in concentric Y fittin...

Page 35: ...s venting section When the 90 degree elbow is used the equivalent length of the elbow and short length of vent pipe must be factored into the total vent air intake pipe determinations see Tables 3 and 4 for appropriate vent connector lengths WARNING DO NOT USE 2 VENT WITH EF100T250 300 MODELS Figure 23B VENT PIPE PREPARATION WARNING DO NOT attempt to start this water heater until vent pipe solvent...

Page 36: ...oleum gases propane gas DO NOT apply pipe dope to the gas valve inlet and make certain that no pipe dope has become lodged in the inlet screen of the gas valve Extreme care must be taken to ensure no pipe dope enters the gas valve and to avoid excessive torque when tightening the gas supply line to the gas valve Excessive torque may result in cracking of the gas valve housing The suggested maximum...

Page 37: ...a larger meter having adequate capacity GAS PRESSURE REGULATION Main line gas pressure to the water heater should be between a maximum 14 inches 3483 8 Pa W C and a minimum supply pressure as shown on the rating plate The inlet gas pressure must not exceed the maximum value In some installations a regulator sized for the input rating of the water heater will need to be installed just ahead of the ...

Page 38: ...ure to wire on a separate circuit may cause improper operation or failure of the electrical components of the water heater Refer to the Electrical Connections section of the Installation and Operating Instructions Manual for complete instructions on electrical wiring and connections to the water heater Do not energize the electric circuit before the water heater tank is filled with water Figure 25...

Page 39: ...n made by a factory authorized independent service contractor or qualified service professional 1 Flooding to or above the level of the burner or controls 2 External firing 3 Damage 4 Firing without water 5 Sooting NEVER OPERATE THE WATER HEATER WITHOUT FIRST BEING CERTAIN IT IS FILLED WITH WATER AND A TEMPERATURE AND PRESSURE RELIEF VALVE IS INSTALLED IN THE RELIEF VALVE OPENING OF THE WATER HEAT...

Page 40: ...ause some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building If you cannot reach your gas supplier call the fire department C Turn off main power to the water heater D Do not use this appliance if any part has been under water Immediately call a qualified service t...

Page 41: ...ails to shut off turn off the control panel power switch to the appliance and call a qualified service agency NOTICE The lower the temperature setting the greater the energy efficiency both to heat the water and to maintain the storage temperature during standby periods Lower water temperatures also extend tank life Remember no water heating system will provide exact temperatures at all times Allo...

Page 42: ... to diagnose and correct the problem If the display is blank or does not show an error code make sure there is power to the water heater Setting the water temperature to the maximum set point can result in scalding hot water delivered to the faucets It is highly recommended that the maximum setpoint be adjusted to the lowest temperature possible for the needs of the installation See following sect...

Page 43: ...ss SET button for new setting to take effect immediately Setpoint will stop flashing If the SET button is not pressed the new temperature setting will take effect in approximately 10 seconds SELECT SET Status F idle setpoint Operational Step 3 Setpoint flashes for 10 seconds Press SET Button for setting to take effect immediately SELECT SET Status F idle Operational Step 1 SELECT SET Status F idle...

Page 44: ... Press SET button for new setting to take effect immediately The setpoint will stop flashing If the SET button is not pressed the new temperature setting will take effect in approximately 10 seconds Step 1 SELECT SET Status F idle Operational SELECT SET Status F idle setpoint Operational Setpoint flashes Step 2 SELECT SET Status F idle setpoint Operational Setpoint flashes for 10 seconds Press SET...

Page 45: ...s SET button to change temperature format Symbol F C will flash Step 3a Press Temperature Up button to change temperature format to C Step 1 SELECT SET Status idle Operational Press select F F C F C Flashes Step 2 SELECT SET Status idle Operational F F C Step 3a SELECT SET Status C idle Operational F C F C Flashes Changes to C ...

Page 46: ...ear in the format selected F or C in 10 seconds Step 5 Pressing SELECT button will return display to setpoint in format selected F or C immediately SELECT SET Status F idle Operational F C Changes to F F C Flashes SELECT SET Status F idle Operational Step 4 Press Set F C Symbol F C Stops Flashing SELECT SET Status F idle Operational Press select Step 5 Setpoint shown in F ...

Page 47: ...se any electrical appliance which is connected to the hot water system If hydrogen is present there will be an unusual sound such as air escaping through the pipes as hot water begins to flow Do not smoke or have open flame near the faucet at the time it is open SECTION X MAINTENANCE DANGER DO NOT ATTEMPT TO REPAIR GAS VALVE DO NOT ATTEMPT TO REPAIR CONTROL BOARD DO NOT ATTEMPT TO REPAIR VENTURI D...

Page 48: ...S GASOLINE OR PAINT THINNER BE USED OR STORED IN THE VICINITY OF THIS WATER HEATER VENT AIR INTAKE SYSTEM OR IN ANY LOCATION FROM WHICH FUMES COULD REACH THE WATER HEATER OR VENT AIR INTAKE SYSTEM IMPORTANT The water heater should be inspected at a minimum annually by a qualified service technician for damaged components and or joints not sealed DO NOT operate this water heater if any part is foun...

Page 49: ...ATER HEATER 1 Close the water heater drain valve by turning the knob or valve stem clockwise If alternative water connections are provided but not used make certain they are plugged i e rear connections 2 Open the cold water supply shut off valve 3 Open several hot water faucets to allow air to escape from the system 4 When a steady stream of water flows from the faucets the water heater is filled...

Page 50: ...te for anode replacement information The use of a water softener may increase the speed of anode consumption More frequent inspection of the anode is needed when using softened or phosphate treated water To inspect or replace an anode The anodes on this water heater are easily accessible from the top of the water heater making replacement simple and quick Use the following procedure to remove and ...

Page 51: ...ace immediately where needed 2 Vent pipe and vent terminal screen should be cleaned of any foreign material The screen is located inside the vent terminal outlet and is accessible from the outside of the vent terminal elbow Do not reach inside the vent terminal when the water heater is in operation 3 Check all venting system connections for leakage and reseal as required COMBUSTION SYSTEM INSPECTI...

Page 52: ...e control will make another 3 ignition attempts after the 1 hour waiting period 4 If the exhaust vent terminal should become blocked or the condensate drain becomes plugged the exhaust vent pressure switch will open and the gas valve closes The combustion blower will continue to operate An error code 29 is shown on the water heater display Removing the blockage will resume normal operation 5 The b...

Page 53: ...ut conditions without correcting the malfunction can result in a hazardous condition Step 1 Press Select and Temperature Up buttons together and hold for 3 seconds until Max Setpoint is shown in the display NOTICE 30 Seconds after the last button press the display will automatically return to the User Mode Simultaneously pressing the Select and Temperature Up buttons will switch the display immedi...

Page 54: ... shown if there is an operating error in the User Mode 1 Max Setpoint Display Change 2 Water Temperature Sensor Reading SELECT SET Status idle Operational Max Setpoint value in Water Heater Display Max Setpoint F SELECT SET Status F idle Water Temp Operational SELECT Lockout RESET Status Service Needed Error Code Shown in Water Heater Display ...

Page 55: ...me Sensor Displays only in the Heating Cycle 4 Setpoint Display Change 5 F C Display Change SELECT SET Status F C idle Operational F SELECT SET Status F idle setpoint Operational SELECT SET Status Heating Operational Flame Current µA ...

Page 56: ...y 8 Error Code History Displays if there are present error codes or up to 10 previous error codes Water Heater Display will show if there are no error codes SELECT SET Status idle Operational Soft SELECT SET Status F idle Differential Operational SELECT SET Status idle Operational No current error codes ...

Page 57: ... delivered to the faucets It is highly recommended that the maximum setpoint be adjusted to the lowest temperature possible for the needs of the installation See following section to change the maximum setpoint limit max setpoint Make sure the water heater control display is not in a public area that can result in the temperature settings being improperly adjusted See previous warning on scalds an...

Page 58: ...ll go back to User Mode It will read Max Setpoint without showing a temperature value if the temperature setpoint is at the maximum setting The Water Heater Display can be set back to the User Mode immediately by pressing both the Temperature Up and Select buttons together for 3 seconds Max Setpoint continues to flash SELECT SET Status F idle Operational Max Setpoint while making adjustments SELEC...

Page 59: ...pilot flame sense current is available only when the burners are in operation Step 1 Make sure the status displays Heating or draw enough hot water to start the burners Step 2 Enter the Service Mode described previously Step 3 Press the Select button until a number value is displayed with Flame Current to the right of the number The value displayed is in microamps µA SELECT SET Status Operational ...

Page 60: ... limited to the Max Setpoint described previously To change the Max Setpoint refer to the procedure To Change the Maximum Setpoint Limit described previously under Accessing the Service Mode on the Water Heater Display Step 3 To raise the temperature setpoint press the Temperature Up button until the desired temperature is shown on the water heater display SELECT SET Status F idle setpoint Operati...

Page 61: ...point Setpoint stops flashing in the water heater display To Display and Change Temperature Format F C To Change Temperature Format in Display from F to C or C to F Step 1 While in Service Mode press Select button until F C is shown in the upper right portion of the water heater display SELECT SET Status F idle setpoint Operational Setpoint Flashes SELECT SET Status F idle setpoint Operational Set...

Page 62: ...ress Temperature Up button to change temperature format to C Step 3b Press Temperature Down button to change temperature format to F SELECT SET Status idle Operational F F C F C Flashes SELECT SET Status idle Operational C Changes to C F C F C Flashes SELECT SET Status idle Operational F Changes to F F C F C Flashes ...

Page 63: ...will stop flashing Step 5 Pressing Select button will return display to setpoint in format selected F or C immediately SELECT SET Status F idle Operational Lower Sensor Setpoint shown in F SELECT SET Status F idle Operational F F C F C Symbol Stops Flashing ...

Page 64: ...put the water heater into a Hard Lockout condition in which the water heater will not operate and cannot be reset in the User Mode To reset a hard lockout first enter the Service Mode described earlier by pressing both the Temperature Up and Select Buttons at the same time for 3 seconds Then press the lower right button under Lockout Reset in the water heater display and hold for 3 seconds WARNING...

Page 65: ...elect button after the Software Version item 8 in the previously described sequence of service modes will show an error code history if there have been any previous operating problems with the water heater If the display shows there is not a current error code The Water Heater Display will provide up to 10 previous error codes The oldest error code will be stored in code index 1 and the most recen...

Page 66: ...10 If there is a number displayed note what the number is The label next to the water heater display will identify the code number If no number is displayed with only a in the water heater display then there has not been an error code for error code index 10 SELECT SET Status idle Operational Error Code Index SELECT SET Status idle Operational No Error Code Shown for Code Index 10 ...

Page 67: ...change to the previous code index code 9 Step 5 Press the Select button for code index 9 to view if there are any code numbers SELECT SET Status idle Operational Error Code Index SELECT SET Status idle Operational Stored Error Code For Code Index 9 ...

Page 68: ... on the Control Board Check for loose wires defective transformer Check wire harness connections from display to the control board 4 Low Flame Sense Current Determine flame sense current in the Service Mode with the water heater operating If less than 4 0 microamps check burner flame sense rod and wire Clean flame sense rod with emery cloth If problem is not solved check for debris clogging burner...

Page 69: ...el Can you hear sparking to the burner Check high voltage cable connections Check inlet gas pressure to the gas valve making sure the pressure is within the limits specified on the rating label Check gas valve wire harness for broken wires or shorts Check outlet gas pressure If 24 volts is present to the terminals at the gas valve replace gas valve Check for voltage output to the blue gas valve wi...

Page 70: ...922 3839 120 3758 3679 3602 3527 3453 3382 3312 3244 3177 3112 130 3048 2986 2925 2866 2808 2752 3697 3643 2590 2538 140 2488 2439 2391 2344 2298 2253 2209 2166 2124 2083 150 2043 2004 1966 1928 1891 1856 1820 1786 1753 1720 160 1688 1656 1625 1595 1566 1567 1509 1481 1454 1427 170 1402 1376 1351 1327 1303 1280 1257 1235 1213 1191 180 1170 1150 1129 1110 1090 1071 1053 1035 1017 999 190 982 965 94...

Page 71: ... Harness Service Panel 11 Plastisert Nipple 1 NPT 12 Plug 13 Nipple 14 T P Relief Valve 15 Exhaust Pipe PVC w Barb Tap 16 Condensate Trap Elbow 17 Silicone hose 18 Outer Door Service Panel Specify model 19 Vent Pipe Support Bracket 20 NSF Escutcheon 21 Exhaust Pressure Switch 22 Nuts 23 Collector Limit Switch 24 Screw 6 32 x 25 Cleanout Access Cover 26 Cleanout Gasket 27 Screw 5 16 18 x HH Grade 5...

Page 72: ...l number and serial number when ordering service parts 1 Combustion Surround Assembly AA Keeper Latch Catch BB Screw 8 32 x RHCR CC Control Panel Assembly DD Jacket Head 28 Grey EE Switch Main Power FF Control Display GG Combustion Surround ...

Page 73: ...number when ordering service parts 2 Combustion Assembly pictured previous page 1A Combustion Assembly Specify model 14A Inlet PVC 2A Blower Gas Valve Assembly Specify model 15A Gasket Blower Transition Specify model 3A Burner Assembly Specify model 16A Screw 8 32 x RHCR 4A Blower EBM Specify model 17A Gasket Flame Sensor 5A Silicone Hose 18A Flame Sensor 6A Burner Mounting Insert Gasket 19A Trans...

Page 74: ...74 NOTES ...

Page 75: ...75 NOTES ...

Page 76: ...76 NOTES ...

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