Watts PVi CEN 1600 Installation, Operation And Maintenance Manual Download Page 118

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OMM-0153_E

• 5/11/2023 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 118 of 124

CENTURION Installation, Operation & Maintenance Manual

0 APPENDIX C

– Centurion2000/1600 Parts List

Centurion Spare Parts Kits

Part #

Description

123540

Ball Valve, External 2”

24441

Condensate Trap

92605-5

T&P Relief Valve, pressure setting 150 psi, temperature setting 210°F

24786

8” Exhaust Connection for PVC/CPVC

OTHER ACCESSORIES / KITS

92084-6

MOTORIZED SEQUENCING VALVE (Optional, not shown)

27086-1

ACTUATOR: SSOV w/o P.O.C. SWITCH

–

FRU Kit

64048

SSOV WITH PRESSURE REGULATOR

–

FRU Kit

24667-12

A/F Valve, CEN 2000

–

FRU Kit

Centurion Wiring Harnesses (not shown)

Part #

Description

63059

HARNESS: BLOWER POWER

63083-1

HARNESS: O

SENSOR

63121

HARNESS: 12V POWER SOURCE

63122

CABLE: GROUND #12

63004-2

STEPDOWN TRANSFORMER HARNESS

–

3 PHASE LINE

63004-1

STEPDOWN TRANSFORMER HARNESS

–

120V/24V LINE

63215-2

HARNESS: SENSOR (Blue)

63218-2

A/F VALVE HARNESS (Green)

63220

HARNESS: I/O, 40 PIN RIBBON CABLE

63221

HARNESS: I/O, 30 PIN RIBBON CABLE

63226

HARNESS: OVERTEMP

63227

HARNESS: OPERATING LIMIT

63229-2

HARNESS: THERMOCOUPLE

63231

HARNESS: CONTROL POWER

63232

HARNESS: I/O BOARD 12 VDC POWER

63233

HARNESS: PLUG

65220

IGNITION CABLE

Summary of Contents for PVi CEN 1600

Page 1: ...partment Installation and service must be performed by a qualified installer service agency or the gas supplier OMM 0153_E 5 11 2023 Disclaimer The information contained in this manual is subject to c...

Page 2: ...5 PIPING CONNECTIONS 15 2 6 TEMPERATURE AND PRESSURE RELIEF VALVE INSTALLATION 18 2 7 CONDENSATE DRAIN AND PIPING 19 2 8 GAS SUPPLY PIPING 20 2 9 AC ELECTRICAL POWER WIRING 22 2 10 FIELD CONTROL WIRI...

Page 3: ...TESTS BLOWER PROOF BLOCKED INLET SWITCHES 59 6 9 SSOV PROOF OF CLOSURE SWITCH CHECK 61 6 10 PURGE SWITCH OPEN DURING PURGE 61 6 11 CHECK IGNITION SWITCH OPEN DURING IGNITION 62 6 12 SAFETY PRESSURE R...

Page 4: ...84 8 9 TROUBLESHOOTING 86 8 10 SEQUENCING VALVE DESCRIPTION OPERATION 86 SECTION 9 O2 TRIM OPERATION 88 9 1 OPERATION DETAILS 88 9 2 O2 SENSOR CALIBRATION 89 9 3 TRIM MENU VALUES AND DEFAULTS 90 9 4...

Page 5: ...urion Water Heaters comply with the NOx emission standards outlined in South Coast Air Quality Management District SCAQMD Rule 1146 2 Whether used in singular or modular arrangements Centurion Water H...

Page 6: ...munication Cal Calibration CNTL Control CPU Central Processing Unit DBB Double Block and Bleed a gas trains containing 2 Safety Shutoff Valves SSOVs and a solenoid operated vent valve DHW Domestic Hot...

Page 7: ...Water Heater PVC Poly Vinyl Chloride a common synthetic plastic PWM Pulse Width Modulation REF Ref Reference RES Resistive RS232 EIA 232 A standard for serial full duplex FDX data transmission based o...

Page 8: ...t in a safe place for future reference W A R N I N G Do not use matches candles flames or other sources of ignition to check for gas leaks Fluids under pressure may cause injury to personnel or damage...

Page 9: ...uel to the unit s For automatically operated unattended Water Heaters in a location other than a Water Heater room provide a readily accessible manually operated remote shutdown switch or circuit brea...

Page 10: ...onoxide detector as required in accordance with the above provisions shall comply with NFPA 720 and be ANSI UL 2034 listed and IAS certified 3 SIGNAGE A metal or plastic identification plate shall be...

Page 11: ...g carrier 2 2 Unpacking The Unit Carefully unpack the unit taking care not to damage the unit enclosure when cutting away packaging materials After unpacking make a close inspection of the unit to ens...

Page 12: ...es 61 cm Sides 24 inches 61 cm Rear 24 inches 61 cm Top 18 inches 45 7 cm All gas piping water piping and electrical conduit or cable must be arranged so that they do not interfere with the removal of...

Page 13: ...e 2 2 Anchor Bolt Locations 2 3 3 Housekeeping Pad Requirements To ensure proper condensate drainage the unit must be installed on a level concrete housekeeping pad The unit must be positioned on the...

Page 14: ...ralizer Tank Minimum Pit Depth Pad Height Without Pit 1 1 4 5 1 4 Figure 2 3 Condensate Neutralizer Tank Installation 2 4 Lifting Provisions W A R N I N G DO NOT attempt to lift or move Water Heater u...

Page 15: ...n Water Heaters have the following inlets and outlets 3 7 6 cm flange water INLET and hot water OUTLET piping One of the following gas inlet pipes o 2 NPT Natural Gas inlet pipe CEN 2000 o 1 NPT Natur...

Page 16: ...et and the lower cold water inlet provide temperature data to the Edge Controller The Controller utilizes this data to modulate the fire rate Air Fuel Valve position to precisely maintain the hot wate...

Page 17: ...configured with a separate cooler return temperature zone rather than blending high and low return temperature zones Utilizing the dual return capability these Water Heaters can take further advantag...

Page 18: ...essure Relief Valve is supplied with each Centurion Water Heater The valve setpoint is 150 psig 1034 kPa at 210 F 98 9 C The relief valve is installed on the hot water outlet of the Water Heater as sh...

Page 19: ...must be level with or lower than the exhaust manifold drain port The base of the condensate trap must be supported to ensure that it is level horizontal The trap must be removable for routine mainten...

Page 20: ...0 1 inch 3 8 cm on top of unit 1 inch 3 8 cm on top of unit Prior to installation all pipes should be de burred and internally cleared of any scale metal chips or other foreign particles Do NOT instal...

Page 21: ...tion if incoming gas pressure is insufficient 2 8 2 External Gas Supply Regulator An external gas pressure regulator is required on the gas inlet piping under most conditions see below Regulators must...

Page 22: ...nstallations a mandatory external gas supply regulator must be positioned as shown in Figure 2 11 The gas supply regulator must be properly vented outdoors 2 8 4 Manual Gas Shutoff Valve A manual shut...

Page 23: ...Panel Run the electrical service through the opening above the Power Panel and make the connections to the Power Breaker in accordance with the Power Panel cover label Figure 2 10 2 Main Power Panel 1...

Page 24: ...Output I O board located behind the unit s front panel see Figure 2 15 Figure 2 14 Secondary Power Panel Terminals Figure 2 15 I O Board Cable Connections SPARK MONITOR FROM SHELL HARNESS 63216 2 CON...

Page 25: ...e Temp Outside Temp Reserved for future use 3 Shield Connection to the shield from any cable 4 5 Supply Header Supply Header Connection to the Supply Header temperature sensor 2 wire sensor P N 24410C...

Page 26: ...1 Shield Connection to the shield from any cable 12 CO Analog In Reserved for future use 13 CO Analog In Connector Strip J5 Terminals Pin Name Description 1 Spare Analog In 3 Connection to one of the...

Page 27: ...Select Relay to Spare 2 Relay and set Relay Name to one of the above devices 2 Spare 2 Relay Com 3 DHW Pump Relay N O Tank Pump 2 4 DHW Pump Relay Com 5 V2 Spare 1 Relay N O Connection to an auxiliary...

Page 28: ...oid any condensate pooling and to allow for proper drainage While there is a positive flue pressure during operation the combined pressure drop of vent and combustion air systems must not exceed 140 e...

Page 29: ...Air supply is a direct requirement of ANSI 223 1 NFPA 54 CSA B149 1 and local codes These codes should be consulted before a permanent design is determined The combustion air must be free of chlorine...

Page 30: ...of pre heated DHW systems with multiple units it is highly recommended to lower the Next On Valve Pos parameter to 30 40 Default 50 so that subsequent Water Heaters are engaged sooner to provide more...

Page 31: ...ired to use this relay to activate the pump through an intermediate relay with a higher power Figure 2 19 Water Heater Pump Relay The Pump Off Delay feature allows the user to keep the pump running fo...

Page 32: ...oot the Water Heater The Edge Controller s front panel consists of a touchscreen display along with a variety of indicators and buttons Figure 3 1 Edge Controller Front Panel 1 Multi Function Bar show...

Page 33: ...sword for Master Technicians is distributed on an individual basis To enter a password 1 On the Edge Controller go to Main Menu Advanced Setup Access The Enter Password screen appears 2 Use the number...

Page 34: ...ined personnel may void the equipment warranty In addition the following WARNINGS and CAUTIONS must be observed at all times 4 1 Start Sequence When the Edge Controller Enable Disable switch is set to...

Page 35: ...the following events occur a The Blower relay energizes and turns on the blower b The Air Fuel Valve rotates to the full open purge position and closes purge position switch The dial on the Air Fuel V...

Page 36: ...etween 25 and 35 to indicate that the valve is in the low fire position b The Spark Cleaning cycle begins default duration 7 sec and the Ignition Sequence screen s Spark Cleaning indicator turns grey...

Page 37: ...atisfied the Controller turns off the SSOV gas valve The blower relay is deactivated and the Air Fuel Valve closes Standby is displayed NOTE Pre purge default setting is 14 seconds to provide four 4 a...

Page 38: ...000 29 3 kW 5 30 30 310 000 90 9 kW 16 40 40 540 000 158 3 kW 27 50 50 770 000 225 7 kW 39 60 60 1 030 000 301 9 kW 52 70 70 1 290 000 378 1 kW 65 80 80 1 560 000 457 2 kW 78 90 90 1 840 000 539 3 kW...

Page 39: ...00 90 9 kW 15 40 40 550 000 161 2 kW 28 50 50 790 000 231 5 kW 39 60 60 1 050 000 307 7 kW 53 70 70 1 330 000 389 8 kW 66 80 80 1 590 000 466 0 kW 80 90 90 1 860 000 545 1 kW 93 100 100 2 000 000 586...

Page 40: ...ive pressure Water Heater rooms may set Standby Blower Voltage between 2 00 and 0 volts to compensate Figure 5 1 Operating Control Screen Initial start up consists of the following REMOVE THE AIR FILT...

Page 41: ...anometer or gauge is used in the following ways Mounted on the upstream side of the SSOV to verify that the gas supply pressure is within the required range of 4 W C to 14 W C for Natural gas and 8 W...

Page 42: ...tems with multiple Centurion units it is recommended to lower the Next On Valve Pos setting to 30 40 Default 50 so subsequent Water Heaters are engaged sooner to provide rapid response and divide the...

Page 43: ...ration 1 Ensure the Edge Controller s Enable Disable switch is set to Disable 2 Open water supply and return valves to unit and ensure system pumps are running 3 Open the NATURAL GAS or PROPANE GAS su...

Page 44: ...low Preset Calibration Points Method Fine VP Step Method Figure 5 7 Manual Combustion Calibration screen 10 Set the Controller s Enable Disable switch to Enable 11 Change the valve position to 30 pres...

Page 45: ...as pressure is within the range in the Manifold Gas Pressure Table above and the O2 Reading column matches the Target column 18 Enter the downstream manometer s gas pressure reading in the Downstream...

Page 46: ...ppm 50 ppm 30 5 6 0 2 20 ppm 50 ppm 18 5 6 0 2 20 ppm 50 ppm NATURAL GAS Final Valve Positions for CEN 1600 Valve Position Standard NOx CO O2 NOx 80 5 6 0 2 20 ppm 100 ppm 70 5 6 0 2 20 ppm 100 ppm 60...

Page 47: ...ound 5 Remove the combustion analyzer probe from the 1 4 vent hole in the exhaust manifold and then replace the 1 4 NPT plug in the vent hole Replace all previously removed sheet metal enclosures on t...

Page 48: ...to the desired temperature setting 5 When the desired temperature is displayed press the SET button 6 Press both the SET and arrow buttons at the same time This stores the setting in memory note that...

Page 49: ...trol calibration should be performed each time the setpoint is changed There are two primary adjustments for performing temperature calibration Min Load Adj and Max Load Adj minimum and maximum load a...

Page 50: ...s Figure 5 12 FFWD Settings Screen 2 Set the Outlet Feedback parameter to No 3 While monitoring the Valve Position bar graph create a minimum load on the system that will yield a steady valve position...

Page 51: ...ase outlet water temperature then allow 2 3 minutes for the system to stabilize 8 Repeat step 7 as needed until the temperature is stabilized within 2 3 F 1 1 to 1 65 C of the unit s setpoint 9 Set th...

Page 52: ...age tanks set DHW Tank Config to No Tanks One Tank or Two Tanks 5 6 2 Remote Setpoint Mode In this mode the unit adjusts the setpoint in response to a remote signal You must specify how the unit will...

Page 53: ...ety devices should be tested on a regular basis or following service or replacement All testing must conform to local codes such as ASME CSD 1 NOTE Manual and Auto modes are required to perform the fo...

Page 54: ...position between 25 and 30 using the and controls 8 While the unit is firing slowly close the external manual gas shut off valve upstream of the unit not shown 9 The unit should shut down and display...

Page 55: ...t should shut down and display a Fault Lockout Gas Pressure Fault message at approximately the value shown in Table 6 3 the High Gas Pressure switch setting If the unit does not trip off within 0 2 W...

Page 56: ...ndicator flashes 5 Go to Main Menu Diagnostics Manual Run and enable Manual Mode 6 Raise the valve position above 30 using the Plus and Minus controls 7 Set the Controller s Enable Disable switch to E...

Page 57: ...re 6 5 Over Temperature Limit Switches NOTE If the Controller s is not configured to display outlet temperature go to Advanced Setup Unit Front Panel Configuration and set Upper Right Display to Water...

Page 58: ...ce the interlock connection is reconnected the Interlock Open message should automatically clear and the unit should restart 6 6 2 Delayed Interlock Test 1 Remove the cover from the I O Box and locate...

Page 59: ...splay Wait Fault Purge The unit executes a 30 second re ignition delay and displays Wait Retry Pause The unit executes a standard ignition sequence and displays Wait Ignition Retry Since the Manual Sh...

Page 60: ...2 Blocked Inlet Switch Test This test will be run in simulated fire mode with the Blocked Inlet switch isolated from the rest of the control circuitry 1 Set the Controller s Enable Disable switch to...

Page 61: ...isable 2 Go to Main Menu Diagnostics Manual Run and enable Manual Mode 3 Set the valve position between 25 and 30 using the Plus and Minus controls 4 Loosen the SSOV cover screw and remove cover to ac...

Page 62: ...ntroller s Enable Disable switch to Disable 2 Go to Main Menu Diagnostics Manual Run and enable Manual Mode 3 Set the valve position between 25 and 30 using the Plus and Minus controls 4 Remove the Ai...

Page 63: ...24 CENTURION Installation Operation Maintenance Manual SECTION 6 SAFETY DEVICE TESTING Figure 6 11 Air Fuel Purge and Ignition Locations 6 12 Safety Pressure Relief Valve Test Test the safety Pressure...

Page 64: ...7 2 Igniter Injector Inspect Inspect replace if necessary Replace 15 mins 7 3 Flame Detector Inspect Inspect replace if necessary Replace 15 mins 7 4 O2 Sensor inspection and calibration Inspect Insp...

Page 65: ...ctions are included in the CEN 2000 1600 12 Month P N 58025 25 and 24 Month P N 58025 26 and 58025 27 Maintenance Kits The igniter injector may be hot therefore care should be exercised to avoid burns...

Page 66: ...uld be cleaned and inspected every 12 months It is not included in any of the 12 or 24 month maintenance kits It is located on the burner plate at the top of the unit It may be hot so allow unit to co...

Page 67: ...it must be replaced as soon as possible The burner assembly is located at the top of the unit s heat exchanger The burner assembly may be hot Therefore allow the unit to cool sufficiently before remo...

Page 68: ...a 24 Month Maintenance kit with air filter cleaning kit NOTE Failure to clean or replace the air filter may affect stable combustion result in less efficient operation and may result in combustion rel...

Page 69: ...Device Testing instructions in Section 6 7 10 Recommended Periodic Testing W A R N I N G Periodic testing of all Water Heater controls and safety devices is required to ensure they continue to operate...

Page 70: ...ignition position switch Annually Service Tech See Section 6 11 Safety valves As required Operator Check per A S M E Water Heater and Pressure Vessel Code Section IV Inspect burner components Semi An...

Page 71: ...s done to organize all WHM related information into a single section thus minimizing referencing back to these descriptions and procedures It is assumed that the user is familiar with the basic Edge C...

Page 72: ...Manager also monitors the total accumulated operating time for each unit on the system and attempts to balance the system so that all units operate for approximately the same number of hours 8 3 WHM...

Page 73: ...ired to set the Edge in Manual Mode Any level password will enable Manual Mode 8 3 5 Auto Manager Transfer The Auto Manager Transfer feature once enabled automatically transfers WHM Manager functional...

Page 74: ...d Setup Performance Temperature Control Temperature Conformance the effective Fire Rate will be reduced by the value entered in GOV Limit 5 through GOV Limit 15 8 4 WHM Status Displays The following W...

Page 75: ...s will not appear on screen if they are not enabled WHM Cascade Cascade Configuration Parameters Menu Item Display Available Choices or Limits Default Minimum Maximum WHM Unit Mode Off WHM Client WHM...

Page 76: ...nly WHM Manager only Displays the number of comm errors on Clients 1 8 Comm Error 9 16 0 0 0 0 0 0 0 0 Read Only WHM Manager only Displays the number of comm errors on Clients 9 16 SSD Address 0 250 0...

Page 77: ...M Cascade Application Configuration Parameters Menu Item Display Available Choices or Limits Default Minimum Maximum Application Read Only DHW Specifies the application for the entire WHM Cascade Oper...

Page 78: ...ne WHM Max Units 1 16 16 WHM Manager only The maximum number of units that will fire For example if there are 5 units but this setting is set to 3 the plant will not fire more than 3 units WHM Client...

Page 79: ...isabled Disabled Allows Valve Feedback functionality to be enabled Valve Feedback Status appears Valve Feedback Timer 30 Sec 240 Sec 60 Sec The amount of time for the valve to open before returning an...

Page 80: ...n I O board b Make sure that the Modbus load and bias resistors are properly configured for the system to operate without the ProtoNode installed c Temporarily set the WHM system for Constant Setpoint...

Page 81: ...Connect Modbus wiring 1 Starting at the first unit connect the twisted shielded pair cable to the BST WHM RS485 plus and minus terminals on the left side I O board RS485 ISO GND Error Reference source...

Page 82: ...WATER HEATER MANAGEMENT 8 7 4 Control And Power Wiring Control and power wiring connections to the Sequencing Valves associated with each Edge WHM unit is accomplished by ensuring that the 5 pin Mole...

Page 83: ...023 Technical Support 800 526 0288 Mon Fri 8 am 5 pm EST Page 83 of 124 CENTURION Installation Operation Maintenance Manual SECTION 8 WATER HEATER MANAGEMENT Figure 8 13 WHM Network Wiring Diagram Ref...

Page 84: ...b You have the option of designating one of the units in the WHM Cascade as a Backup Manager If the WHM Manager fails manager functionality will automatically transfer to the designated Backup Manager...

Page 85: ...Limit parameter which allows you to set the number of degrees below Setpoint High Limit the unit s outlet temperature must fall before restart Enable Setpoint Limiting and then configure the Setpoint...

Page 86: ...ed unit is within the allowable range 1 thru 16 3 Check to ensure that none of the units have the same Comm address Actuator controlled Sequencing Valve does not open 1 Control cable not connected to...

Page 87: ...ride is provided for use in setup or power failure situations The override is operated with a standard hex wrench included To manually open or close the valve disconnect the 5 pin connector on the Act...

Page 88: ...bility while minimizing emissions Figure 9 1 Simplified O2 Trim Diagram W A R N I N G O2 Trim and combustion calibration can both alter the voltage sent to the blower and can thus interfere with each...

Page 89: ...n cycle Figure 9 2 O2 Trim Logic Once the system operational stability conditions are met the O2 Trim system will 1 Lock the fire rate at the current position that needs adjustment to the air fuel rat...

Page 90: ...n Menu Advanced Setup Performance O2 Trim O2 Trim Settings To enable O2 Trim set the O2 Trim parameter to Enabled You can then adjust the O2 Offset Settle Time O2 Trim Gain and O2 Trim Iteration Limit...

Page 91: ...TURION Installation Operation Maintenance Manual SECTION 9 O2 TRIM OPERATION Figure 9 5 O2 Trim Parameters Screen O2 Trim Status Displays the current status of O2 Trim operation Figure 9 6 O2 Trim Sta...

Page 92: ...r must be at least 1 lower than O2 Upper 18 2 5 5 5 5 1 30 2 5 5 5 5 1 40 2 5 5 5 5 4 50 2 5 5 5 5 1 60 5 1 70 2 5 5 5 5 1 80 5 1 100 2 5 5 5 5 1 O2 Upper must be at least 1 higher than O2 Lower 18 5...

Page 93: ...Trim Values Propane MENU ITEM Minimum Maximum Default Settle Time 0 120 Sec 20 Sec O2 Trim Gain 0 1 5 0 0 250 Max Tries 0 100 15 O2 Target must be between O2 Upper O2 Lower 18 3 5 7 0 5 5 30 3 5 7 0...

Page 94: ...5 5 80 4 5 6 5 5 5 100 4 5 6 5 5 5 O2 Lower must be at least 1 lower than O2 Upper 18 3 0 5 5 4 5 30 3 0 5 5 4 5 40 3 0 5 5 4 5 50 3 0 5 5 4 5 60 3 0 5 5 4 5 70 3 0 5 5 4 5 80 3 0 5 5 5 0 100 3 0 5 5...

Page 95: ...85 70 4 20 5 80 5 15 80 4 80 6 20 5 50 100 5 40 7 00 6 25 CEN 2000 O2 Trim Adjustment Range Propane Gas CALIBRATION POINT BLOWER VOLTAGE Volts Minimum Maximum Default 18 2 15 2 90 2 36 30 2 95 4 15 3...

Page 96: ...ions O2 Percentage Low O2 Levels less than 2 for more than 30 seconds auto reset when valve comes back in range Dirty filter or poor combustion calibration recalibrate unit O2 Offset too low Increase...

Page 97: ...d O2 Trim is ready to start the process None Normal Operation Adjust O2 trim is correcting the system None Normal Operation Settle System is settling after the correction None Normal Operation Done O2...

Page 98: ...troubleshooting messages are included in Section 9 4 above When a fault occurs in the unit proceed as follows to isolate and correct the fault 10 1 1 Fault Correction 1 Observe the fault messages dis...

Page 99: ...r than zero ohms replace the switch 7 Bad inlet air temperature sensor 7 Check the actual inlet air temperature reading and measure resistance at the Sensor Harness connection P1 Verify that the readi...

Page 100: ...rip thermal or current overload devices 2 Blocked Blower inlet or inlet ductwork 2 Inspect the inlet to the blower including any ductwork leading up to the combustion blower for signs of blockage 3 Bl...

Page 101: ...heck for 120 VAC at the primary side to the ignition transformer during the ignition cycle 4 Defective Ignition Stepper IGST Board 4 If 120 VAC is not present the IGST Board in the Edge Controller may...

Page 102: ...t the temperature switch to insure it trips at its actual water temperature setting 2 Incorrect PID settings 2 Check PID settings Advanced Setup Performance Temperature Control first 3 items If the se...

Page 103: ...t the unit The Air Fuel Valve should rotate to the purge open position then back to ignition position towards closed during the ignition cycle If the valve does not rotate back to the ignition positio...

Page 104: ...LT Unit not seeing information from Modbus network Check network connections If fault persists contact qualified Service Personnel PRG SWITCH CLOSED DURING IGNITION 1 A F Valve rotated open to purge a...

Page 105: ...L FAULT 1 Remote setpoint signal not present Not yet installed Wrong polarity Signal defective at source Broken or loose wiring 1 Check I O Box to ensure signal is hooked up Hook up if not installed I...

Page 106: ...n it should not be 2 If the SSOV never closes it may be powered continuously Close the gas supply and remove power from the unit Refer fault to qualified service personnel 3 Defective switch or Actuat...

Page 107: ...be of the Igniter Injector Figure 7 2 1 and inspect Gas Injector to ensure it is not clogged or damaged 2 Defective Staged Ignition Solenoid Figure 7 2 1 2 Close the Manual Shutoff Valve Attempt to st...

Page 108: ...rt 800 526 0288 Mon Fri 8 am 5 pm EST Page 108 of 124 CENTURION Installation Operation Maintenance Manual SECTION 10 TROUBLESHOOTING Figure 10 2 Intake Manifold and Components Figure 10 3 SSOV Actuato...

Page 109: ...cal Support 800 526 0288 Mon Fri 8 am 5 pm EST Page 109 of 124 CENTURION Installation Operation Maintenance Manual 0 APPENDIX A DIMENSIONS AND CLEARANCE APPENDIX A DIMENSIONS AND CLEARANCE Centurion D...

Page 110: ...E 5 11 2023 Technical Support 800 526 0288 Mon Fri 8 am 5 pm EST Page 110 of 124 CENTURION Installation Operation Maintenance Manual 0 APPENDIX A DIMENSIONS AND CLEARANCE Centurion Clearances CEN 2000...

Page 111: ...ical Support 800 526 0288 Mon Fri 8 am 5 pm EST Page 111 of 124 CENTURION Installation Operation Maintenance Manual 0 APPENDIX B WIRING DIAGRAMS APPENDIX B WIRING DIAGRAMS Centurion 2000 Drawing Numbe...

Page 112: ...11 2023 Technical Support 800 526 0288 Mon Fri 8 am 5 pm EST Page 112 of 124 CENTURION Installation Operation Maintenance Manual 0 APPENDIX B WIRING DIAGRAMS Centurion 2000 Drawing Number 68106 rev A...

Page 113: ...11 2023 Technical Support 800 526 0288 Mon Fri 8 am 5 pm EST Page 113 of 124 CENTURION Installation Operation Maintenance Manual 0 APPENDIX B WIRING DIAGRAMS Centurion 2000 Drawing Number 68106 rev A...

Page 114: ...11 2023 Technical Support 800 526 0288 Mon Fri 8 am 5 pm EST Page 114 of 124 CENTURION Installation Operation Maintenance Manual 0 APPENDIX B WIRING DIAGRAMS Centurion 2000 Drawing Number 68106 rev A...

Page 115: ...Drain Valve 3 4 GAS TRAIN ASSEMBLIES See full diagram below 5 1 22362 CEN 2000 1600 Standard Gas Train 22442 CEN 2000 1600 DBB Gas Train HEAT EXCHANGER 6 1 80081 Shell Insulation Upper 7 1 80128 Shel...

Page 116: ...ent Air 1 8 NPT 22 1 123863 Valve Ball 1 8 NPT 23 1 61026 O2 Sensor 24 1 65085 Ignition Transformer 25 1 124866 Staged Ignition Solenoid 26 1 66026 Ignitor Injector Replacement Kit and or Catalog numb...

Page 117: ...VDC Power Supply 2 5 A 6 1 65231 12 V Power Supply 5 A 7 2 65121 Terminal Block White 8 2 65120 Terminal Block Black 9 1 60036 3 Pole 20 Amp Circuit Breaker 10 2 65118 Fuse Terminal 11 2 65122 Termina...

Page 118: ...SOV w o P O C SWITCH FRU Kit 64048 SSOV WITH PRESSURE REGULATOR FRU Kit 24667 12 A F Valve CEN 2000 FRU Kit Centurion Wiring Harnesses not shown Part Description 63059 HARNESS BLOWER POWER 63083 1 HAR...

Page 119: ...itch 1 20 W C manual reset 8 1 92006 7 Valve Ball Brass 1 1 2 NPT 21 3 9 22 Pipe Plug 1 4 NPT 11 1 124150 Valve SSOV 1 1 2 NPT 22 1 60020 Gas Pressure Switch 2 20 W C auto reset 14 1 69005 Actuator SS...

Page 120: ...Installation Operation Maintenance Manual 0 APPENDIX C Centurion2000 1600 Parts List Centurion 2000 Recirculation Loop P N 22384C Item Qty Part Description 1 1 69371 Circulator Pump 2 2 95037 Flange T...

Page 121: ...Low NOx 7 1 24356 1 Flame Detector 9 1 59104 Observation Port 10 3 53033 Washer Clocking 11 1 58023 Ignitor Injector 12 1 24277 Staged Ignition Assembly 13 1 61026 O2 Sensor 14 3 9 22 Plug HEX HD 1 4...

Page 122: ...esistance Ohms F C PT 1000 Balco 40 40 0 843 779 30 34 4 865 797 5 20 28 9 887 816 3 10 23 3 908 835 4 0 17 8 930 854 8 10 12 2 952 874 6 20 6 7 974 894 7 30 1 1 996 915 1 40 4 4 1000 935 9 50 10 0 10...

Page 123: ...OMM 0153_E 5 11 2023 Technical Support 800 526 0288 Mon Fri 8 am 5 pm EST Page 123 of 124 CENTURION Installation Operation Maintenance Manual 0 NOTES NOTES...

Page 124: ...ce Manual 0 NOTES CHANGE LOG Date Description Changed By 5 11 2023 Rev A Initial Release DWBarron 1 03 2023 Rev B Removed mention of minimum flow requirement in 2 5 3 DWBarron 3 28 2023 Rev C Updated...

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