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Page SVC 820 Tankless Gas Trouble Shooting Manual

52 – Error Code

Explanation:

PGFR (Proportional Gas Flow Regulator)

malfunction. The PGFR is the only modulating valve in the
Gas Control Valve.

Diagnostic Checks:

•

PGFR

PGFR DIAGNOSTICS:

Locate PGFR valve on lower right of unit. Remove and

reinsert Molex connector with red wire and Molex

connector with black wire on PGFR. Attempt to

operate unit again.

Turn power OFF. Remove and reinsert connector “R”

on Control Board.

IF 52 Error Code does NOT display,

unit had a loose connection.

IF 52 Error Code IS displayed,

continue to diagnostic chart on next

page.

PGFR

Control Board

PGFR

Molex Connectors

Содержание PH2-20R OFN

Страница 1: ...GN CERTIFIED CERTIFIED R Mid Efficiency Models PH2 20R OFN PH2 25R OFN PH2 28R OFN Outdoor Natural Gas Models PH2 20R OFP PH2 25R OFP PH2 28R OFP Outdoor L P Gas Models PH2 20R DVSN PH2 25R DVSN PH2 2...

Страница 2: ...Code Diagnostics No Error Code No Hot Water 22 P1 Warning Code 23 1L Warning Code 24 03 Error Code 25 05 Warning Code 26 10 Warning Code 29 11 Error Code 33 Gas Supply Venting 33 Igniter Rod Spark is...

Страница 3: ...4 Error Code 66 35 Error Code 68 51 Error Code 70 52 Error Code 72 61 Error Code 74 65 Error Code 76 66 Error Code 78 71 Error Code 80 72 Error Code 82 76 Error Code 84 79 Error Code 86 80 Error Code...

Страница 4: ...NPT Male Water Connection 3 4 NPT Male Vent Size Mid Efficiency 3 5 Concentric Vent High Efficiency 2 or 3 Two Pipe Venting optional concentric vent termination Max Vent Length See Use Care Manual for...

Страница 5: ...r is now lit The PCB goes thru a series of calculations input sensing to balance out the cold water temperature the thermostat setting the hot outlet temperature and the BTU required to heat the water...

Страница 6: ...ds Thermistors Check Blower Speed Flue Blockage Detect Flame False Flame 1 2 Ignition Attempt 31 Inlet Thermistor 33 Outlet Thermistor 32 HE Thermistor 34 Ambient Thermistor 61 90 12 seconds 72 5 seco...

Страница 7: ...ter temperature too high 16 Hot Water 207 Degrees F for more than 15 seconds 15 Heat Exchanger 207 Degrees F for more than 15 seconds 15 Heat Exchanger Outlet Temp Too Low Ambient Thermistor Outlet Th...

Страница 8: ...less Gas Trouble Shooting Manual 8 Close Hot Water Tap Checking Blower Motor Detect Flame Gas Control Valve Off Unit in Stand By mode 80 Gas Control Valve 51 Gas Control Valve Yes 8 Seconds Later 99 3...

Страница 9: ...intenance Water Heater Has Buildup Of Lime Scale Deposits 1 Flush Heat Exchanger 2 High Altitude Installations ensure proper altitude settings have been made 03 MIC 185 MIC 6 EZ Link 1 Check communica...

Страница 10: ...iter Rod is operational 3 Check igniter Flame Rod s and Igniter Flame Rod s wiring harness for damage 4 Check Control Board 5 Check Flame Rod Status 12 Gas supply Installation Maintenance Flame Failur...

Страница 11: ...ensing maintenance requirements are met 1 Verify U connector is connected to Control Board 2 Verify wiring harness is connected to OHL 3 Check heat exchanger for cracks and or separations 4 Inspect Ov...

Страница 12: ...e outside of unit 4 Clean air inlet screen 5 Clean heat exchanger fins If maintenance requirements are met 1 Check neutralizer water level electrode Mid Efficiency Condensing Maintenance Heat Exchange...

Страница 13: ...enance Blower Motor 1 Ensure Blower Motor will turn freely Motor will operate with a small amount of restriction 2 Check wiring harness to Motor for damaged and or loose connections 3 Check venting le...

Страница 14: ...operate with a small amount of restriction 2 Check Fan Motor for proper voltage and for water condensation damage 80 81 Gas Control Valve 1 Ohm Gas Control Valve 2 Check voltage of all Flame Rods 82 I...

Страница 15: ...el Heat Exchanger 2 Condensing ONLY Neutralizer 3 Primary Heat Exchanger 4 Flame Rod s 5 Sight Glass 6 Igniter Rod 7 Igniter Coil 8 Gas Control Valve 9 Water Control Valve 10 Water Bypass Valve 11 Con...

Страница 16: ...This can be done while the water heater is in operation While in Maintenance Mode you want to push the up arrow key to select the table you wish to view The table is designated by a letter and is alwa...

Страница 17: ...l recent error fault x 10000times Null D Total combustion times until recent error fault x 100 times Null H Total combustion period until recent error fault x 1000 hours Null J Total combustion period...

Страница 18: ...18 Page SVC 820 Tankless Gas Trouble Shooting Manual 18 CONTROL BOARD Color Picture Each letter indicates the connector identifier M T MIN MAX ADJ...

Страница 19: ...ssure etc M Flame Rod for all models detects flame T Flame Rod for indoor models only monitors combustion efficiency F Communication port manifold installations A Fuel type and temperature Program Chi...

Страница 20: ...____________________________________ ______________________________________________ ______________________________________________ ______________________________________________ ______________________...

Страница 21: ...ontrol will flash briefly 6 You can operate unit CLEARING FAULT HISTORY PROCEDURE 1 Turn unit OFF Remove Front Cover Locate the Dip Switches on the Control Board 2 Make sure all the Dip Switches are O...

Страница 22: ...upply ON check the nearest hot water fixture for hot water If you have hot water then the unit needed to be reset 2 Water flow might be too low Open multiple hot water fixtures If unit fires then ther...

Страница 23: ...on Turn the water supply to the unit on and check the nearest hot water fixture for hot water If you have hot water then the unit needed to be reset Your water lines might be crossed Make sure your h...

Страница 24: ...ain water supply valve to the tankless water heater Consult the instructions provided by the isolation valve manufacturer for specifics in using their valve assemblies 3 Attach a small garden hose on...

Страница 25: ...ink MIC 6 or MIC 185 Explanation Communication failure between water heaters remote control and or manifold controller Diagnostic Checks DIP1 Setting On Main Control Board PCB DIP 1 SETTING Manifold u...

Страница 26: ...GAS SUPPLY VENTING Dip 2 Setting On Printed Circuit Board PCB GAS SUPPLY VENTING REFER TO USE CARE MANUAL Make sure you have sufficient fuel for the unit to operate properly 1 Gas Type LP or Natural G...

Страница 27: ...less Gas Trouble Shooting Manual Page 27 27 DIP 2 SETTING Locate the two DIP switches at top right of PCB Switch labeled DIP 2 is the bottom switch DO NOT ALTER ANY OTHER SWITCHES 1 Sea Level to 3 280...

Страница 28: ...____________________________________ ______________________________________________ ______________________________________________ ______________________________________________ ______________________...

Страница 29: ...PLY VENTING Blower Motor GAS SUPPLY VENTING REFER TO USE CARE MANUAL Make sure you have sufficient fuel for the unit to operate properly 1 Gas Type LP or Natural Gas 2 Gas Pressure 3 Gas Pipe Size 4 G...

Страница 30: ...3 screws holding Blower Motor in place Clean Blower Motor and reassemble unit Attempt to operate unit again IF 10 Warning Code does NOT display Blower Motor needed to be cleaned Turn power OFF Remove...

Страница 31: ...ate the Blower Motor While Blower Motor is running test DC voltage across black and white wires on connector G 12 18 DC VOLTS Press and hold down MAX button on Control Board to activate the blower mot...

Страница 32: ...____________________________________ ______________________________________________ ______________________________________________ ______________________________________________ ______________________...

Страница 33: ...SUPPLY VENTING Diagnostic Checks GAS SUPPLY VENTING Igniter Rod Flame Rod s Gas Control Valve GAS SUPPLY VENTING REFER TO USE CARE MANUAL Make sure you have sufficient fuel for the unit to operate pro...

Страница 34: ...Remove and reinsert Igniter Coil cable on Igniter Rod Turn power ON Remove and reinsert white Molex connector at Igniter Coil mounted on right side of unit While unit is attempting to ignite determine...

Страница 35: ...across Igniter Coil cable and Igniter Rod Remove Igniter Coil cable from Igniter Rod While unit is attempting to ignite hold end of Igniter Coil cable 1 8 from end of Igniter Rod Make sure you hold Ig...

Страница 36: ...flame is touching Flame Rod s IF NO remove any foreign debris IF foreign debris NOT present CHECK GAS SUPPLY VENTING Remove and reinsert terminals on Flame Rods s Attempt to operate unit again IF 11 E...

Страница 37: ...e 11 Replace Control Board Is Flame Rod s detecting flame Cycle unit ON while in Maintenance Mode check Flame Rod status under table 0Y IF detecting flame Maintenance Mode will display Indoor Models 0...

Страница 38: ...d 1 Locate PGFR valve on lower right of unit Remove and reinsert Molex connector with red wire and Molex connector with black wire on PGFR Attempt to operate unit again Remove and reinsert connector R...

Страница 39: ...DC voltage OK Attempt to operate unit again IF the unit malfunctions due to an Error Code 11 Replace Control Board Is the resistance OK Turn unit OFF remove Molex connector R Measure resistance across...

Страница 40: ...k wire 6 and blue wire 4 on connector K 0 8k 2 4k Ohms Measure resistance across black wire 6 and white wire 2 on connector K 0 8k 2 4k Ohms Measure resistance across black wire 6 and grey wire 3 on c...

Страница 41: ...oltage across black wire 6 and white wire 2 on connector K 90 120 DC Volts Measure DC voltage across black wire 6 and grey wire 3 on connector K 90 120 DC Volts Is the voltage OK YES YES Is the voltag...

Страница 42: ...____________________________________ ______________________________________________ ______________________________________________ ______________________________________________ ______________________...

Страница 43: ...Make sure you have sufficient fuel for the unit to operate properly 1 Gas Type LP or Natural Gas 2 Gas Pressure 3 Gas Pipe Size 4 Gas Flex Line Not To Exceed 36 In Length has the proper ID Inside Dia...

Страница 44: ...flame is touching Flame Rod s IF NO remove any foreign debris IF foreign debris NOT present CHECK GAS SUPPLY VENTING Remove and reinsert terminals on Flame Rod s Attempt to operate unit again IF 11 E...

Страница 45: ...ode 12 Replace Control Board Is Flame Rod s detecting flame Cycle unit ON while in Maintenance Mode check Flame Rod s status under table 0Y IF detecting flame Maintenance Mode will display Indoor Mode...

Страница 46: ...____________________________________ ______________________________________________ ______________________________________________ ______________________________________________ ______________________...

Страница 47: ...on page 21 First Check VENTING Primary cause is blockage of the Fresh Air Intake Vent Diagnostic Checks VENTING Ground Connection Flame Rod FL 2 GROUND CONNECTION DIAGNOSTICS VENTING REFER TO USE CARE...

Страница 48: ...flame is touching Flame Rod s IF NO remove any foreign debris IF foreign debris NOT present CHECK GAS SUPPLY VENTING Remove and reinsert terminals on Flame Rod s Attempt to operate unit again IF 11 E...

Страница 49: ...Replace Control Board Is Flame Rod s detecting flame Cycle unit ON while in Maintenance Mode check Flame Rod s status under table 0Y IF detecting flame Maintenance Mode will display Indoor Models 05 O...

Страница 50: ...h OHL DIAGNOSTICS Mid Efficiency ONLY IF 14 Error Code does NOT display unit had a loose connection IF 14 Error Code IS displayed continue to diagnostic chart on next page Turn power OFF Remove and re...

Страница 51: ...ures This is normally caused by inadequate wrong GAS SUPPLY or inadequate VENTING Check GAS SUPPLY VENTING Unit had a loose connection operation appears to be normal NO YES YES NO Is the resistance to...

Страница 52: ...____________________________________ ______________________________________________ ______________________________________________ ______________________________________________ ______________________...

Страница 53: ...RE SENSOR DIAGNOSTICS Go to Error Code 32 for Heat Exchanger Temperature Sensor diagnostic instructions GAS SUPPLY VENTING REFER TO USE CARE MANUAL Make sure you have sufficient fuel for the unit to o...

Страница 54: ...n IF 16 Error Code does NOT display unit had a loose connection IF resistance tested OK and 16 Error Code IS displayed go to Error Code 66 for Water Bypass Valve diagnostics IF resistance NOT OK go to...

Страница 55: ...ness for connector R on Control Board NO YES YES NO Is the resistance to the Outlet Thermistor OK Is the continuity across all wires OK Remove Molex from connector R at Control Board Check continuity...

Страница 56: ...displayed after releasing Remote Control buttons continue to Remote Control diagnostics Diagnostic Checks Remote Control REMOTE CONTROL DIAGNOSTICS Visually inspect Remote Control wiring for damaged...

Страница 57: ...wires from wiring terminals on bottom of unit Use a new short piece of wire to connect the Remote Control directly to the Remote Control Wiring Terminals located at bottom of unit Plug unit in and ope...

Страница 58: ...____________________________________ ______________________________________________ ______________________________________________ ______________________________________________ ______________________...

Страница 59: ...ecks Plug not removed from condensate drain Pinch in condensate drain line Blockage in condensate drain line Drain line has unnecessary P trap CONDENSATE DRAIN DIAGNOSTICS Ensure you removed the conde...

Страница 60: ...Thermistor located near the Blower Motor Turn power OFF Remove connector R on Control Board Measure resistance between Black 3 white 6 wires 7K 23K Ohms IF OK attempt to operate unit again IF 31 Error...

Страница 61: ...Thermistor Replace wiring harness for Connector R on Control Board YES YES Is the resistance to the Inlet Thermistor OK Is the continuity across all wires OK Remove Molex from connector R at Control B...

Страница 62: ...or located near the Blower Motor Turn power OFF Remove connector R on Control Board Measure resistance between Black 3 Yellow 5 wires 7K 23K Ohms IF OK attempt to operate unit again IF 32 Error Code d...

Страница 63: ...eplace Heat Exchanger Thermistor NO YES YES NO Is the resistance to the Heat Exchanger Thermistor OK Is the continuity across all wires OK Remove Molex from connector R at Control Board Check continui...

Страница 64: ...tlet Thermistor located near the Blower Motor Turn power OFF Remove connector R on Control Board Measure resistance between Black 3 Red 4 wires 7K 23K Ohms IF OK attempt to operate unit again IF 33 Er...

Страница 65: ...rmistor Replace wiring harness for Connector R on Control Board NO YES YES NO Is the resistance to the Outlet Thermistor OK Is the continuity across all wires OK Remove Molex from Connector R at Contr...

Страница 66: ...OFF Remove connector R on Control Board Measure resistance between Black 3 Blue 7 wires Refer to Data Table for resistance value IF OK attempt to operate unit again IF 34 Error Code does NOT display u...

Страница 67: ...hermistor NO YES YES NO Is the resistance to the Ambient Thermistor OK Is the continuity across all wires OK Remove Molex from Connector R at Control Board Check continuity from black 3 wire at Molex...

Страница 68: ...stance check go to the appropriate Error Code for diagnostics IF sensors test OK continue to next page Turn power OFF Remove and reinsert connector R on Control Board Attempt to operate unit again IF...

Страница 69: ...K Go to appropriate Sensor Error Code to diagnose 1 Inlet Error Code 31 2 Heat Exchanger Error Code 32 3 Outlet Error Code 33 4 Ambient Error Code 34 Did the unit lockout on Error Code 35 Attempt to o...

Страница 70: ...rol Valve FLAME RODS GAS VALVE DIAGNOSTICS Remove and reinsert terminals on Fame Rod s Attempt to operate unit again IF 51 Error Code does NOT display unit had a loose connection Turn power OFF Remove...

Страница 71: ...ods s Cycle the water heater 3 times by turning unit on off on off on off Does OY Status in Maintenance Mode indicate presence of flame after 5 seconds Does OY Status in Maintenance Mode indicate pres...

Страница 72: ...DIAGNOSTICS Locate PGFR valve on lower right of unit Remove and reinsert Molex connector with red wire and Molex connector with black wire on PGFR Attempt to operate unit again Turn power OFF Remove a...

Страница 73: ...VOLTS Is the DC voltage OK Attempt to operate unit again If the unit malfunctions due to an Error Code 52 Replace Control Board Is the DC voltage OK While unit is attempting to go to main burner check...

Страница 74: ...Remove 3 screws for Control Board mounting bracket Remove connectors M T G Pull Control Board out of way to access Blower Motor Turn power OFF Remove and reinsert connector G on Control Board Attempt...

Страница 75: ...Control Board to activate Blower Motor While Blower is running test DC voltage across black and white wires on Molex connector G 12 18 DC VOLTS Press and hold down MAX button on Control Board to acti...

Страница 76: ...access Water Control Valve Turn power OFF Remove and reinsert connector C on Control Board Attempt to operate unit again IF 65 Error Code does NOT display unit had a loose connection 1 2 3 Visually in...

Страница 77: ...er to unit OFF then ON again and turn water flow on Check DC Voltage across Red Black Wires at connector C 8 16 DC VOLTS Turn power to unit OFF then ON again and turn water flow on Check DC Voltage ac...

Страница 78: ...ctors M T G Pull Control Board out of way to access Water Bypass Valve Turn power OFF Remove and reinsert connector B on Control Board Attempt to operate unit again IF 66 Error Code does NOT display u...

Страница 79: ...perate unit again If the unit malfunctions due to an Error Code 66 Replace Control Board Is the DC voltage OK While Water Bypass Valve is operating water is flowing check DC voltage across red and bla...

Страница 80: ...GNOSTICS Turn power OFF Remove and reinsert connector K on Control Board Attempt to operate unit again IF 71 Error Code does NOT display unit had a loose connection 1 Visually inspect Gas Control Valv...

Страница 81: ...ite check DC voltage across yellow and black wires on Molex connector K 75 100 DC VOLTS Is the DC voltage OK Attempt to operate again If the unit malfunctions due to an Error Code 71 Replace Control B...

Страница 82: ...move and reinsert terminals on Flame Rod s Attempt to operate unit again IF 72 Error Code does NOT display unit had a loose connection Turn power OFF Remove and reinsert white connector M and blue con...

Страница 83: ...Unplug unit Disconnect Molex connector s from Flame Rod s Plug unit in Turn power ON Turn water flow ON to begin ignition sequence Does OY Status in Maintenance Mode indicate presence of flame Does OY...

Страница 84: ...EMOTE THERMOSTAT DIAGNOSTICS Visually inspect Remote Control wiring for damaged or loose terminals 1 Turn power OFF Remove and reconnect Remote Control wiring terminals at bottom of unit Attempt to op...

Страница 85: ...Did the unit go to main burner Attempt to operate unit again If the unit malfunctions due to an Error Code 76 Replace Remote Control Did the unit go to main burner Unplug unit Use a short piece of ne...

Страница 86: ...3 screws for Control Board mounting bracket Remove connectors M T G Pull Control Board out of way to access Blower Motor Turn power OFF Remove and reinsert connector G on Control Board Attempt to oper...

Страница 87: ...Control Board to activate Blower Motor While Blower is running test DC voltage across black and white wires on Molex connector G 12 18 DC VOLTS Press and hold down MAX button on Control Board to acti...

Страница 88: ...LAME ROD s GAS CONTROL VALVE DIAGNOSTICS Remove and reinsert terminals on Flame Rod s Attempt to operate unit again IF 80 Error Code does NOT display unit had a loose connection Turn power OFF Remove...

Страница 89: ...ctor from Flame Rod s Cycle heater 3 times by turning unit on off on off on off Does OY Status in Maintenance Mode indicate presence of flame after 5 seconds Does OY Status in Maintenance Mode indicat...

Страница 90: ...Board Program Chip malfunction Diagnostic Checks Program Chip PROGRAM CHIP DIAGNOSTICS Turn power OFF Verify you have a Program Chip inserted in connector A 1 Remove and reinsert Program Chip Attempt...

Страница 91: ...Code will occur BEFORE unit goes to ignition Possible Causes VENTING VENTING REFER TO USE CARE MANUAL Visually inspect venting for possible blockage and or recirculation of exhaust 1 Approved Venting...

Страница 92: ...REPLACE NEUTRALIZER ASAP Once Neutralizer is replaced follow reset procedures on page 21 93 Error Code Explanation High Efficiency Condensing Units ONLY Unit will NOT operate until the Neutralizer Me...

Страница 93: ...F This error code will only occur at time of shut down Unit must be reset by performing reset procedure on page 21 Possible Causes Venting VENTING REFER TO USE CARE MANUAL Visually inspect venting for...

Страница 94: ...____________________________________ ______________________________________________ ______________________________________________ ______________________________________________ ______________________...

Страница 95: ...____________________________________ ______________________________________________ ______________________________________________ ______________________________________________ ______________________...

Страница 96: ...nt Natural Gas Models PHH 25RDVP PHH 32RDVP Indoor Direct Vent L P Gas Models Mid Efficiency Models PH2 20ROFN PH2 25ROFN PH2 28ROFN Outdoor Natural Gas Models PH2 20ROFP PH2 25ROFP PH2 28ROFP Outdoor...

Страница 97: ...supplier WARNING If the information in these instructions is not followed exactly a fire or explosion may result causing property damage personal injury or death WARNING Improper installation adjustm...

Страница 98: ...ge 85 F 120 F 140 F Residential Adjusting Range 85 F 185 F Commercial By conversion kit Max Setting W Main Remote Control UMC 117 Adjustment Electrical Portion Electrical Rating 120VAC 60Hz Less than...

Страница 99: ...d maximum pressure Hot Water Supply Adjusting Range 85 F 120 F 140 F Residential Adjusting Range 85 F 185 F Commercial By conversion kit Max Setting W Main Remote Control UMC 117 Adjustment Electrical...

Страница 100: ...m 3 8 10 mm Hot Water Outlet Connection 3 4 NPT M Water Inlet Connection 3 4 NPT M Gas Connection 3 4 NPT F W Supplied Gas Shutoff Valve For Power Cord For Remote Control Connection PH2 20ROF PH2 25RO...

Страница 101: ...n 3 4 NPT F W Supplied Gas Shutoff Valve Water Inlet Connection 3 4 NPT M For Power Cord For Remote Control Connection 2 1 4 57 mm Drain Outlet 7 1 2 191 mm 3 3 4 96 mm 6 11 16 170 mm 2 7 8 73 mm 3 7...

Страница 102: ...rd 3 Lower Burner Assy 13 Heat Transfer Coil 23 Fan Assembly 4 Flame Rod 14 Fin 24 Heat Exchanger Thermistor 5 Main Burner 15 Turbulence Coil 25 Igniter 6 Inner Case 16 U Pipe 26 Electrode IG 7 Exhaus...

Страница 103: ...3 Heat Transfer Coil 23 PC Board 4 Flame Rod 14 Fin 24 Fan Assembly 5 Main Burner 15 Turbulence Coil 25 Electrode IG 6 Inner Case 16 U Pipe 26 Igniter 7 Exhaust Flue Assy 17 Hot Water Supply Coil 27 B...

Страница 104: ...ipe 3 Heat Exchanger 13 Film Type OHL 23 Bypass Pipe 4 Fin 14 Igniter 24 Turbulence Coil 5 Heat Transfer Coil 15 PC Board 25 Hot Water Supply Coil 6 Inner Case 16 Electrode FL 1 26 Hot Water Supply Pi...

Страница 105: ...s Pipe 4 Fin 14 Igniter 24 Turbulence Coil 5 Heat Transfer Coil 15 Electrode FL 2 25 Hot Water Supply Coil 6 Inner Case 16 Electrode FL 1 26 Hot Water Supply Pipe 7 Exhaust Flue Assy 17 Electrode IG 2...

Страница 106: ...stor 14 Proportional Gas Control Valve 24 Drain Valve 5 Heat Exchanger Thermistor 15 Orifice 25 Remote Control 6 Hot Water Outlet Thermistor 16 Igniter 26 Freeze Protection Heater 7 PC Board 17 Electr...

Страница 107: ...olenoid Valve 3 22 Fan 3 Water Flow Sensor 13 Solenoid Valve 4 23 Fan Motor 4 Water Inlet Thermistor 14 Proportional Gas Control Valve 24 Drain Valve 5 Heat Exchanger Thermistor 15 Orifice 25 Remote C...

Страница 108: ...pen or close the Solenoid Valve 1 10 Solenoid Valve 2 11 Solenoid Valve 3 12 and Solenoid Valve 4 13 and also the Proportional Gas Control Valve 14 continuously adjusts the gas volume in order to main...

Страница 109: ...nal Gas Control Valve 24 Drain Valve 5 Heat Exchanger Thermistor 15 Orifice 25 Remote Control 6 Hot Water Outlet Thermistor 16 Igniter 26 Freeze Protection Heater 7 PC Board 17 Electrode 27 Bypass Sol...

Страница 110: ...let Thermistor 14 Proportional Gas Control Valve 24 Drain Valve 5 Heat Exchanger Thermistor 15 Orifice 25 Remote Control 6 Hot Water Outlet Thermistor 16 Igniter 26 Freeze Protection Heater 7 PC Board...

Страница 111: ...judges it and open or close the Solenoid Valve 1 10 Solenoid Valve 2 11 Solenoid Valve 3 12 and Solenoid Valve 4 13 and also the Proportional Gas Control Valve 14 continuously adjusts the gas volume i...

Страница 112: ...is set at 120 F 0 5 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0 85 100 120 130 140 Inlet Water Temperature 60 F PH2 20R Water Flow Rate GPM Outlet Temperature F 90 110 0 40 GPM When maximum tempera...

Страница 113: ...is set at 120 F 0 5 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0 85 100 120 130 140 Inlet Water Temperature 60 F PH2 25R Water Flow Rate GPM Outlet Temperature F 90 110 0 40 GPM When maximum tempera...

Страница 114: ...at 120 F 8 4 GPM 0 5 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0 100 110 120 130 140 Inlet Water Temperature 60 F PH2 25R Commercial Setting Water Flow Rate GPM Outlet Temperature F 150 160 170 180...

Страница 115: ...90 110 0 40 GPM 0 5 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0 85 100 120 130 140 Inlet Water Temperature 60 F PH2 28R Water Flow Rate GPM Outlet Temperature F 90 110 9 5 GPM When maximum temperat...

Страница 116: ...e is set at 120 F 0 5 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0 100 110 120 130 140 Inlet Water Temperature 60 F PH2 28R Commercial Setting Water Flow Rate GPM Outlet Temperature F 150 160 170 180...

Страница 117: ...0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0 85 100 120 130 140 Inlet Water Temperature 50 F PHH 25R Water Flow Rate GPM Outlet Temperature F 90 110 0 40 GPM 8 5 GPM When maximum temperature is set at...

Страница 118: ...0 0 11 0 100 110 120 130 140 Inlet Water Temperature 50 F PHH 25R Commercial Setting Water Flow Rate GPM Outlet Temperature F 150 160 170 180 185 85 0 40 GPM 8 5 GPM When maximum temperature is set at...

Страница 119: ...0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0 85 100 120 130 140 Inlet Water Temperature 50 F PHH 32R Water Flow Rate GPM Outlet Temperature F 90 110 0 40 GPM When maximum temperature is set at 140 F Wh...

Страница 120: ...0 0 11 0 100 110 120 130 140 Inlet Water Temperature 50 F PHH 32R Commercial Setting Water Flow Rate GPM Outlet Temperature F 150 160 170 180 185 85 0 40 GPM 9 5 GPM When maximum temperature is set at...

Страница 121: ...CONTROL MOTOR MOTEUR DE CONTR LE DU VOLUME D EAU R RED ROUGE W WHITE BLANC BR BROWN BRUN BL BLUE BLEU BK BLACK NOIR GY GRAY GRIS G GREEN VERT Y YELLOW JAUNE BK USC1 117 USC2 117 W W LIMITER LIMITEUR...

Страница 122: ...2 LECTROVALVE 2 LECTROVALVE 1 SOLENOID VALVE 1 LECTROVALVE DANS ADMISSION DE GAZ SOLENOID VALVE 0 ELECTRODE ALLUMEUR ANTI FROST HEATER CHAUFFAGE ANTI GIVRE FUSIBLE 3A OVER HEAT LIMITER LIMITEUR DE SU...

Страница 123: ...48 2 16 108 93 2 6 076 138 2 2 602 183 2 1 236 50 15 449 95 5 86 140 2 52 185 1 202 51 8 14 82 96 8 5 653 141 8 2 442 186 8 1 169 53 6 14 221 98 6 5 454 143 6 2 367 188 6 1 137 55 4 13 469 100 4 5 264...

Страница 124: ...splays on the remote control ________________ d Release the Adjusting Button SW3 4 Verify maximum manifold setting The setting value will be displayed on the remote control a Without any water flow pr...

Страница 125: ...mber 01 39 is displayed on the LED of remote control Continue to momentarily press the Maximum Button SW2 until you get to the value recorded in step 4 c Note Every time you press the MAXIMUM SW2 Butt...

Страница 126: ...ure differs depending on models types of gas or installation condition Measure the fan pressure at each installation site 1 Measurement of minimum capacity a At the condition that the remote control i...

Страница 127: ...sure and record the fan pressure for the slow ignition point d Press and hold down the Adjusting Button SW3 and using the manometer adjust the slow ignition manifold pressure to the standard pressure...

Страница 128: ...justed the DIP switch setting if necessary for the high altitude setting etc Standard Pressure inch in w c PHH 32RDV PHH 25RDV L P NAT L P NAT Minimum Capacity 0 91 11 0 0 71 7 1 0 91 11 0 0 71 7 1 Ma...

Страница 129: ...r 5 Find the two DIP switches located at the top right hand side of the PCB The switch labeled DIP 2 is the bottom switch 6 Change the DIP switch 3 setting of DIP 2 to ON position if the water heater...

Страница 130: ...eing scalded See the Instruction Manual before setting the temperature on the remote control FEEL WATER BEFORE BATHING or SHOWERING DO NOT leave a child in the bath unsupervised Danger Hotter water in...

Страница 131: ...t your risk WARNING Water Temperature over 125 F 52 C can cause severe burns instantly or death from scalds Children disabled and elderly persons are at highest risk of being scalded See the Instructi...

Страница 132: ...g this setting is done at your risk WARNING Water Temperature over 125 F 52 C can cause severe burns instantly or death from scalds Children disabled and elderly persons are at highest risk of being s...

Страница 133: ...of the first heater 3 Plug the cable into the connector marked F in the upper right hand corner of the Control Board see Figure 1 The connector will only fit one way Press until the connector snaps in...

Страница 134: ...1 Turn off the system at the remote control and remove the front cover from the main water heater 2 At the main water heater the one that is wired to the Remote Control Thermostat change the 4 Dip Swi...

Страница 135: ...xTM cable through a grommeted hole in the bottom of the second water heater 7 Plug the cable into the connector marked F on the right of the Control Board see Figure 5 The connector will only fit one...

Страница 136: ...on the remote control Turn off the gas and water shutoff valve 2 Press the DOWN arrow temperature adjustment button on the remote control see Figure 4 for several times and set the minimum setting tem...

Страница 137: ...tions Be sure your water heater and the manifold controller are properly installed in accordance with local codes and the provided installation instructions Do not attempt to repair or replace any par...

Страница 138: ...p in Scalds D A N G E R HOT Water temperature over 125 can cause severe burns instantly or death from scalds Children disabled and elderly are at highest risk of being scalded See instruction manual b...

Страница 139: ...lots 7 13 Water Heater Manifold Control Cable Slots 14 20 Water Heater Manifold Control Cable Slots 1 6 Manifold Cable Support Mounting Holes 4 Digit Diagnostic Display Service Dip Switches Service Sw...

Страница 140: ...system will detect this and bring online additional units to meet the increased demand As the hot water demand decreases the system will reduce the number of operating units As the water flow stops or...

Страница 141: ...on water heater model Not available on some models Section 1 3 Status Lights The status lights on the remote consist of a Burner On indicator see Figure 1 3 and a Priority light The Burner On indicato...

Страница 142: ...or service and operation Wall studs should be utilized when mounting the manifold control ler to the wall Alternately a suitable piece of wood may be placed inside or outside of the wall to span the d...

Страница 143: ...control board using a molex connector The cable can only be con nected one way do not force the connections as damage to both the cable and control boards can occur NOTICE The tankless water heaters c...

Страница 144: ...tions Section 3 3 b Control Cable Installation at the controller Figure 3 3 b Control Cable Installation at Controller Control Cable Connectors DO NOT turn on the power to the water heaters or control...

Страница 145: ...ng box or can be mounted directly to the wall surface with suitable anchors Connect the two conductor wire to the two screw terminals on the back of the remote control Secure the wire under the hold d...

Страница 146: ...anifold control cabinet unit will begin to blink dashes see figure on page 3 The dashes will appear while the system is synchronizing with the tankless water heaters Depending upon the number of tankl...

Страница 147: ...tempt to repair or replace any parts All servicing should be referred to a qualified technician Read and follow all instructions Save this instruction for future reference Table of Contents Safety Inf...

Страница 148: ...ip in Scalds D A N G E R HOT Water temperature over 125 can cause severe burns instantly or death from scalds Children disabled and elderly are at highest risk of being scalded See instruction manual...

Страница 149: ...empt to Use any other type of cable with this controller Mounting Bracket Remote Control Required to Run System The remote is included with the tankless water heaters Connect only one 1 remote to the...

Страница 150: ...e the system will detect this and bring online additional units to meet the increased demand As the hot water demand decreases the system will reduce the number of operating units As the water flow st...

Страница 151: ...rity light The Burner On indicator will come on to show when only when the system is heating water This is regardless of the number of units operating in the system The Priority light tells which remo...

Страница 152: ...Manifold Controller After all the tankless water heaters are installed in accordance with the instructions in the Use and Care Manual select one unit to be the master Disconnect the power from the ta...

Страница 153: ...ater to ON position UP in order to switch the water heater to the manifold installation mode DO NOT alter any other DIP switch See figure 3 2 a for DIP switch location on water heater PCB Disconnect t...

Страница 154: ...mote con trol has been installed as instructed in Section 3 you may begin the startup process Remove the front cover from the main tankless water heater with the manifold controller there are 4 four s...

Страница 155: ...l Conversion Procedure This conversion kit is designed to upgrade select tankless water heaters to operate at higher water temperatures for commercial applications Only the selected models can be conv...

Страница 156: ...D Program Chip Initiation Figure 2 F PRIORITY POWER ON OFF F PRIORITY POWER ON OFF Figure 4 Figure 3 5 Find the two DIP switches located at the top right hand side of the PCB The switch labeled DIP1 i...

Страница 157: ...i Unit installation there is only one remote control Complete the entire manifold installation before continuing with the Commercial Conversion procedure A Complete the chip installation on each water...

Страница 158: ...158 Schematic Disassembly PH2 20RDVS PH2 25RDVS PH2 28RDVS...

Страница 159: ...159 Schematic Disassembly PH2 20RDVS PH2 25RDVS PH2 28RDVS...

Страница 160: ...160 Schematic Disassembly PH2 20RDVS PH2 25RDVS PH2 28RDVS...

Страница 161: ...Burner Assy 701 Film Type OHL 113 Lower Burner Assy 706 Heater Holder C 826 Truss FT 4 x 12 114 Burner Block Plate 708 Holder 828 Truss Packing 115 Electrode Cover 709 Resistance 842 Truss Packing 11...

Страница 162: ...162 Schematic Disassembly PH2 20ROF PH2 25ROF PH2 28ROF...

Страница 163: ...163 Schematic Disassembly PH2 20ROF PH2 25ROF PH2 28ROF...

Страница 164: ...164 Schematic Disassembly PH2 20ROF PH2 25ROF PH2 28ROF...

Страница 165: ...mbly 815 Pan Head SW 4 x 10 108 Packing 816 Screw SW M4 x L12 112 Upper Burner Assy 701 Film Type OHL 113 Lower Burner Assy 706 Heater Holder C 826 Truss FT 4 x 12 708 Holder 828 Truss Packing 115 Ele...

Страница 166: ...Schematic Disassembly PHH 32RDV PHH 25RDV 166...

Страница 167: ...Schematic Disassembly PHH 32RDV PHH 25RDV 167...

Страница 168: ...W M4 x L12 113 Lower Burner Assy 701 Film Type OHL 824 Pan Head SW 4 x 8 114 Burner Block Plate 706 Heater Holder C 826 Truss FT 4 x 12 708 Holder 828 Truss Packing 117 SD 710 Heater Holder 842 Truss...

Страница 169: ...169 Schematic Disassembly PHH 32ROF PHH 25ROF...

Страница 170: ...170 matic Disassembly PHH 32ROF PHH 25ROF...

Страница 171: ...15 Pan Head SW 4 x 10 112 Upper Burner Assy 561 Neutralization Plate A 816 Screw SW M4 x L12 113 Lower Burner Assy 701 Film Type OHL 706 Heater Holder C 826 Truss FT 4 x 12 708 Holder 828 Truss Packin...

Страница 172: ...Paloma Industries Inc 2151 Eastman Avenue Oxnard CA 93030 Phone 805 278 5499 Fax 805 278 5468 Tech Support Center 800 432 8373 Printed in USA 2011 08...

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Paloma PH2-20R OFN, Инженерный справочник

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