State Industries SUF100199 User's Manual
Contents
1. RC LA AT SCCA state SERVICE HANDBOOK WATER HEATERS HIGH EFFICIENCY COMMERCIAL GAS SERIES SUF 60 120 SUF 100 150 SUF 100 199 SUF 100 250 SUF 130 300 SUF 130 400 Tank Temperature 117 F Operating Set Point 120 F Status Ignition Verification e OFF L SAOL MENU HELP PRINTED 0509 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK TABLE OF CONTENTS INTRO DUG THON 2 QUALEIEIGATIORS ie date Sree See Se dete 2 TOOLS REOUIRED lt quU dM quU aM DE UA 3 GENERAL TJNEORMATIOD 4 GAS PRESSURE SPECIFICATIONS 4 INSTALLATION QUICK TIPS SUF 120 and 150 GAS PRESSURE hace mina 5 ADJUSTMENT PROCEDURE 5 GAS PRESSURE eru et onn e MS 5 SUFT20 AND T50 MODELS Git aad 5 HIGH ALTITUDE INSTALLATIONS 5 OE AO aed ag 5 INSTALLATION QUICK TIPS SUF 199 AND 250 GAS PRE SOURE oret ANE 6 ADJUSTMENT PROCEDURE 6 GAS PRESSURE opis tuti weed 6 SUF 199 AND 250 MODELS tiit estan 6 HIGH ALTITUDE 6 INSTALLATION QUICK TIPS2. EXITH CV BLL PIOS State Water Heaters Technical Training Department 10 Ashland City Tennessee 2009 Servicing should only be performed by a Qualified Service Agent 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK VENTING ALL MODELS TWO PIPE DIRECT VENT USING OUTSIDE AIR US DIRECT VENT a VENT HONS BE MELT HOT Cues CEMA T CO 5 a C impiis 3TH HEXOQHT CF 15 FT E Mo ABOVE Pee A TUER T jo chi SL REL WERT OUTLET 4 ET 30 CHI LMDENR TERAMI POPKZH Di CK Cfi IAE CO KY Cer Ey Zi Val EH EU sul pe 1 FT 20 7 FRONS ics i ER gt 2 i LE 93 004 PERMAMDMTLY JU ECHR RUPP FAJET ELIA Em IHIH CHR TORR am SUPPLY GANHE i3 FACIT PORTED OPEM TIH DECH LAN LIAHU PULL CEENEDMABMIHEMLIM DE TH THE SL TERP FATE AIVE CO B Cm PEE ee ee E LATE TEI MAGLE FRI Pe Libras CANADIAN DIRECT VENT euni VENT HOODIS MAY HOT jE Minti 3 T Cel 3 FT E1 A 20 HEXGHT OF 313 FT EE ND AE GRADE 77
3. GAS VALVE SUF 199 and 250 ADJUSTMENT PROCEDURE GAS PRESSURE SUF 199 AND 250 MODELS IMPORTANT NOTE THE SUF 199 AND 250 MODELS INCORPORATE A NEW GAS CONTROL WHICH OPERATES AT A MANIFOLD PRESSURE OF 0 W C 0 kPa FOR BOTH NATURAL AND PROPANE GAS SEE THE GAS PRESSURE CHART ON PAGE 4 THESE MODELS ARE CONFIGURED PRIOR TO BEING SHIPPED FROM THE FACTORY AND NO ADJUSTMENTS ARE NECESSARY PRIOR TO STARTUP THE CONTROLLER MONITORS THE AIR FLOW AND MAKES ADJUSTMENTS TO THE FAN SPEED WHICH IN EFFECT CONTROLS THE AMOUNT OF GAS FLOW THEREFORE THE UNIT WILL SELF ADJUST TO ACQUIRE THE CORRECT AMOUNT OF INPUT Supply gas pressure to the water heater for natural gas should be between a maximum of 10 5 2 59kPa for natural gas W C 14 0 3 45 for propane and a minimum as shown on page 4 that is for Natural Gas 4 98kPa W C And 9 0 1 97kPa for Propane Gas The inlet gas pressure must not exceed the maximum value A supply gas pressure regulator service regulator must be installed on the gas supply line within 10 305 cm of the unit State Water Heaters Technical Training Department 24 Servicing should only be performed by a Qualified Service Agent Once the unit is installed and filled with water and the inlet pressures confirmed simply turn the switch on and observe operation Cycle the unit off and on several times to ensure proper operation HIGH ALTITUDE INSTALLATION
4. SUF 300 400 GAS PRESSURE Gu tuc Ei MU 7 ADJUSTMENT 7 GASPHESSUDE boot tet t dod E 7 SUF 300 AO 7 HIGH ALTITUDE ADJUSTMENT 7 WIE BOO OO rS 7 INSTALLATION TIPS SUF 300 400 8 VENTING TABLES SUF 120 250 9 VENTING TABLES SUF 300 400 9 VENTING ALL MODELS SINGLE PIPE POWER VENT USING ROOM AIR 10 VENTING ALL MODELS TWO PIPE DIRECT VENT USING OUTSIDE AIR sis ceo nthe steers 11 VENT TERMINATION DIRECT VENT ALL MODELS 12 DIRECT VENTING ALL MODELS 13 14 CONTROL OVERVIEW ALL MODELS 14 ADJUSTING TANK TEMPERATURE OPERATING SET POINT DIEEERENTIAL piod aie 15 CHANGING THE DISPLAY 16 FAULT AND WARNING CONDITIONS ADVANCED DIAGNOSTIC 17 ACCESS TO THE CURRENT FAULT OR WARNING 18 VIEWING THE FAULT HISTORY VIEWING INFORMATION ABOUT THE HEATER 19 CONTROL SEQUENCE TYPICAL ALL MODELS 20 CON
5. WC Normally Open Close on a Rise in Pressure Tolerance 4 05 WC Top View of Pressure Switches Note Check the website www statewaterheaters com for Technical Bulletin 5023 06 Air Pressure Switches under Literature Service Handbooks State Water Heaters Technical Training Department 28 Ashland City Tennessee 2009 Servicing should only be performed by a Qualified Service Agent 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK CONTROLS PRESSURE SWITCHES SUF 300 400 BLOWER PROV ER LOW GAS PRESSURE PRESSURE SWITCH SWITCH M ODEL PRESSURE Natural 4 60 WC LP 9 0 WC Norm ally Open Close on a Rise in Pressure Tolerance 05 WC BLOCKED INLET PRESSURE SWITCH M ODEL PRESSURE 300 085 WC 400 1 25 WC arise in Pressure Tolerance 05 WC BLOCKED EXHAUST PRESSURE SWITCH PRESSURE 1 15 WC 1 39 WC 1 77 WC 500 1 35 WC Normally Closed Open on a Rise in Pressure Tolerance 4 05 WC Normally Closed Open on a Rise in Pressure Tolerance 4 05 WC Top View of Pressure Switches SUF 300 400 Note Check the website www statewaterheaters com for Technical Bulletin 8023 06 Air Pressure Switches under Literature Service Handbooks State Water Heaters Technical Training Department 29 Ashland City Tennessee 2009 Servicing should only be performed by a Qualified Service Ag
6. but does merit attention Ashland City Tennessee 2009 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK ADJUSTING TANK TEMPERATURE OPERATING SET POINT DIFFERENTIAL The Operating Set Point of this water heater determines the regulated temperature for the water in the tank This parameter is adjusted in the desktop Temperature menu Items in this menu allow you to monitor different temperature readings in the tank along with adjusting the Operating Set Point and Differential ACTION From the desktop screen press Menu DISPLAY state Ultraforce SUF 130 400 103 F 120 F Tank Temperature Operating Set Point status Heating T ACTION From the Main Menu press Select to enter the Temperatures screen DISPLAY Main Menu Temperatures Heater Status Display Settings Heater Information Current Fault none State Water Heaters Technical Training Department 15 Servicing should only be performed by a Qualified Service Agent ACTION Press Change then use the UP and DOWN buttons to change the temperature Set Point DISPLAY Temperatures Operating Set Point Differential Tank Temperature Upper Temperature Lower Temperature Heater Regulated to Tank Change Note This procedure can also be used to change the Differential The tank Upper and Lower Temperatures are not user changeable They are determined by the
7. The SUF 199 and 250 models are suitable for installation up to 10 100 feet above sea level with no adjustments GAS ORIFICE The SUF 199 and 250 models do not have a natural gas orifice A 230 orifice is used on LP gas models Venturi Gasket w o orifice Gas Control Without Orifice Natural Gas Venturi Gasket w LP Gas Orifice Gas Control with 230 LP Orifice Ashland City Tennessee 2009 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK CONTROLS GAS VALVE SUF 199 and 250 Pressure readings may be taken on the gas Note Tubing shown on pressure connections valve by connecting to the pressure ports on is installed for manometer connections It is the valve The manifold pressure on this not supplied with the water heater valve is O w c OkPa when the water heater is running Refer to the gas pressure chart on page 4 WARNING Do not attempt adjustments on this gas valve unless you have a combustion analyzer Contact the help line listed on the water heater for assistance Manifold gas gas Pressure pressure State Water Heaters Technical Training Department 25 Ashland City Tennessee 2009 Servicing should only be performed by a Qualified Service Agent 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK CONTROLS GAS VALVE ORIFICE CHART SUF300 400 The gas control valve has a built in field OR
8. corporation or company that ei ther in person or through a representative i s e ngaged in and is responsible for a the installation testing or replacement of gas piping or b the connection i nstallation testing re pair or servicing of appliances and equipment that is experienced in such work that is familiar with all precautions required and that has complied with all the requirements of the authority having jurisdiction State Water Heaters Technical Training Department 2 Servicing should only be performed by a Qualified Service Agent Service of this water heater requires ability equivalent to th at of a Qualified S ervice Agent licensed tradesman in the fi eld involved Installation skills such as plumbing air supply venting gas supply electrical supply are required in addition to electrical testing skills Some products may require combustion testi ng equipment and certification If you do not possess these skills or do not have the proper tools you should not attempt to service thi s water heater Ashland City Tennessee 2009 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK TOOLS REQUIRED ELECTRICAL MULTIMETER CAPABLE OF MEASURING CONTINUITY OHMS AC amp DC VOLTS AMPERES MICROAMPERES MILLIVOLTS and FREQUENCY Hz o UEi Model DL289 or equivalent DIGITAL MANOMETER 60 W C in 01 increments Note A digital manometer is required for testing pressure switche
9. ENCY DRIVE eS ccc W T3 NS P U T1 V T2 NOTE BE SURE TO MATCH WIRE COLORS WHEN CONNECTING BLOWER WIRES OR BLOWER MAY RUN BACKWARD AND CAUSE A FAULT L N RC RA 5V 112 LI3 14 151 A 1 10 VDC Speed Instruction A A Enable Disable Circuit State Water Heaters Technical Training Department 33 Servicing should only be performed by a Qualified Service Agent Ashland City Tennessee 2009 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK VARIABLE FREQUENCY DRIVE BLOWER SPEED AND PRESSURE READINGS The instructions for the VFD are sent from the CCB to in the form of a DC current The chart below lists the current readings the frequency signal displayed by the VFD and the pressure switch settings needed for the CCB to let the burner operate The frequency numbers displayed may vary slightly with slight variations in the DC voltage generated by the CCB If the water heater exhibits poor run characteristics check the frequency display If the frequency is more than 5 out of range check the DC volt signal at the terminals shown on page 33 Voltage Frequency Speed Instructions VFD Model SUF 400 Instruction Volts DC 0 10 Terminals OV an
10. ER HEATER SUF 120 thru 400 SERVICE HANDBOOK INTRODUCTION The service handbook is designed to aid in servicing and troubleshooting State W ater Heaters Ultra Force SUF commercial water heaters in the field duplication or reproduction of this book may be made without the express written authorization of State Water Heaters The fol lowing text and illustrations w ill provide you with a step by step procedure to verify pr oper installation opera tion and troubleshooting procedures Additional quick reference data is included to assist you in servicing these products The information contained in this handbook is designed to answer commonly faced situations encountered in the operation of this product line and is not meant to be all inclusive If you are experiencing a problem not covered in this handbook please contact State Water Heaters Technical Information at 1 800 365 0024 by e mai at help statewaterheaters com or your local State Water Heater representative for further assistance Our website www statewaterheaters com is also a resource for installation and service information This handbook is intended for use by licensed plumbing professionals and reference should be made to the installation manual accom panying the product This handbook contains supplemental information to the product s installation and operation manual QUALIFICATIONS ANSI Z223 1 Sec 3 3 83 Qualified Agency Any individual firm
11. IFICE CHART SUF 300 400 adjustable pressure regulator The regulator may be adjusted by removing the cap screw Model 300 400 marked regulator The adjustment screw is Natural 27 4 314 underneath The gas valve for the SUF LP d 189 219 Natural gas model is shown above This is a 24V solenoid operated gas valve Manual Gas Control Knob Low Gas DAV Pressure Solenoid Switch connection Refer to the replacement parts information at the back of this manual for part numbers for Natural and LP gas valves for all SUF 300 400 and models State Water Heaters Technical Training Department 26 Ashland City Tennessee 2009 Servicing should only be performed by a Qualified Service Agent 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK CONTROLS PRESSURE SWITCHES ALL MODELS All SUF models are provided with four pressure switches These switches are essential to the safe and proper operation of the unit The switches are wired to the central control board CCB individually and each is monitored individually The CCB is set up to shut the unit down whenever there is a failure of any of the switches and declare a fault for each individual switch It is important to understand the purpose of each switch Low Gas Pressure E Sw itch BLOWER PROVING SWITCH The Blower Proving S witch is provided on the heater t
12. METERWMIEZOULATUR 55 EENES um ENFECTELU gn PALL MALA 3 FT 0H KCE TO BDGULATOR VEMT OUTLET Jee PE EEE Dee roel gs hraa emerge DI Mu 11 pU TO Eos Apa PPL BELOW PERMANENTLY TE pul Hess Pk AH ELE CLOAED WRAHA TRERORRI Sub ET Mau OR OOU BINH HN PA ET T WENT TERMP4AL Am SUPPLY MLET C Anca WENE TER MALS HOT PEFENITTED i PERMITTED Of F VERASKIA PORCH DECH OF CALC OMT PULLT A Wire OF TID SIDES HEHERATIS THE FLOOR WENT POT AB CAE E AL GA PAE OA THATI LOZATED UETPVEEM TAG FAMILY PAELLA RH BOTH State Water Heaters Technical Training Department 11 Ashland City Tennessee 2009 Servicing should only be performed by a Qualified Service Agent 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK VENT TERMINATION DIRECT VENT ALL MODELS WHEN LOCATING THE TERMINALS ON A SIDEWALL THE FOLLOWING SPECIFICATIONS PERTAINING TO TERMINAL LOCATION MUST BE FOLLOWED 1 The intake vent terminal and the exhaust vent terminal must terminate on the same exterior wall and must be located at a minimum of 24 61cm from the vertical centerline of the exhaust vent terminal See Figure 9 In colder climates increasing the 24 61cm minimum will r
13. MITTED G VERA amp NDA MERDE DEORA GA LOOT 6 FULLY OPEHED Ori Mere OF TPAD THE E A WENT BHAL HIT A DGS D PAO CSAT TAAT E LCZATED DETACH THO SIHOLE FAME AMO GEES BD iid CANADIAN POWER WENT VENT HDDS MAY VINIMUM t FT 30 CH FOR APPLIANCES WITH BE EXTREMELY HOT LO 2 How TO 08 099 Bir DURING OPERATIDN MPUT AKG Hd P6 AU THAM 103 035 OTU He 79 AMICO GR CEHIA THAT a MAN EET Ori GUN METEN OPENED F T i j HESSHT OF 18 FT A MS ACE ABE GRADE METER REQULATOR AE DEMEL 3 FT tri TO SENMYICE H DAILATOR VEMT OUTLET BOFFIT BININUM 3 Above E HE CHEMICAL SUPPLY FT 20 C APPLIANCES WITH 10 600 ABCWE OR 3 Foe TO 100 00 ETUH Od Kw AHD 38 IN 90 CN FOR APPLIANCES BELOW A PERMANENTLY AIR RUPPLY BILET MTE OF CONIBUNTION AIN L GH DOO INTO BulLURN OR PERMITTI OHLY IF VERANZIA PORCH DICK DOR BALCONY IS FULLY OPENED CH MININLIM OF TWO EDES THE PLOCA 7 4 VENT HOT TERMIKATE ABC A SIDEFAALE OR PAVED DRIVEANE THAT LOCATED BETWERH TD SERILE FWELLIFRGS BER
14. SUF 130 400 103 F 120 F Tank Temperature Operating Set Point status Heating OFF 0 T ACTION Press the DOWN button for more information DISPLAY Blower Prover Open Fault occurred 2 mins ago The blower prover switch remains open after the blower has been energized State Water Heaters Technical Training Department 18 Servicing should only be performed by a Qualified Service Agent Ashland City Tennessee 2009 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK VIEWING THE FAULT HISTORY VIEWING INFORMATION ABOUT THE HEATER The controller for this water heater will store a history of ten of the last Fault and Warning conditions that occurred This is stored in the Fault History The information about the fault or warning will include diagnostic information as well as an estimate of how long ago the fault occurred ACTION Press the SELECT button for more information DISPLAY Vain Menu Heater Status Display Settings Heater Information Current Fault none Fault History ACTION Press the DOWN key to scroll through the fault history If you select a specific fault or warning you may press the VIEW button to view details regarding this fault DISPLAY Fault History 1 Flame Detect Error A9 2 mins ago Low Gas A6 5 mins ago Blocked Exhaust Vent A8 1 hr 2 mins ago Flame Detect Error 8 State Water Heate
15. TROL SEQUENCE FLOW CHART 21 CONTROLS CENTRAL CONTROL BOARD CCB 22 CONTROLS GAS VALVE SUF 120 23 CONTROLS GAS VALVE SUF 150 23 CONTROLS GAS VALVE SUF 199 and 250 24 ADJUSTMENT 24 GAS PRESSURE pile 24 SUF 199 AND 250 MODELS 3 2 5 2 ficco 24 CONTROLS GAS VALVE SUF 199 and 250 25 State Water Heaters Technical Training Department 1 Servicing should only be performed by a Qualified Service Agent CONTROLS GAS VALVE OHIFICE CHART SUF 300 400 26 CONTROLS PRESSURE SWITCHES ALL MODELS 27 CONTROLS PRESSURE SWITCHES SUF 120 through CONTROLS PRESSURE SWITCHES SUF 300 400 29 CONTROLS CONNECTIONS IGNITER FLAME SENSOR SIGHT GLASS POWERED ANODES 30 HOT SURFACE IGNITER FLAME SENSOR CONTROL ETT 31 BLOWER SPEED CONTROL SUF 199 AND 250 32 VARIABLE FREQUENCY DRIVE SUF 4090 33 VARIABLE FREQUENCY DRIVE BLOWER SPEED AND tactis tence ting bia 34 WIRING DIAGRAM SUF 120 300 35 WIRING DIAGRAM SUF 400 36 Ashland City Tennessee 2009 198152 002 ULTRAFORCE COMMERCIAL GAS WAT
16. ap TO CXITLETT PREBERM BE i VZ RFT i CLE AMAMLTE Lm RELIEF VAL Laipe Nd Cih DAAN CUL ABUIN I OCE T Wie FA i i INLET T OLEG Liela Fi LK ALT A amp CCEM AUm E ub TSAN HOSE 4 WET Pyt Only ROUTED To rLcom DAAN mire eT es Po eee SEE MANUAL FOR COMPLETE INSTALLATION INSTRUCTIONS amp DETAILS Vertical Rooftep Venting MD ae R MME Hd ieee State Water Heaters Technical Training Department 8 Ashland City Tennessee 2009 Servicing should only be performed by a Qualified Service Agent 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK VENTING TABLES SUF 120 250 Maximum equivalent feet of intake and vent pipe using 3 PVC is 50 feet 15 2m Equivalent feet must include any 90 elbows two 45 elbows equal one 90 elbow Three inch diameter 90 elbows are equivalent to 5 1 5m of pipe Maximum equivalent feet of intake and vent pipe using 4 PVC is 120 feet 36 6m Equivalent feet must include any 90 elbows two 45 elbows equal one 90 elbow Four inch diameter 90 elbows are equivalent to 5 1 5m of pipe Vent Length Table Equivalent Fee
17. as pressure to the water heater for natural gas should be between a maximum of 10 5 W C 2 59kPa for natural gas 14 0 W C 3 45kPa for propane and a minimum of 4 8W C 1 18kPa for Natural Gas and 8 5 W C 2 08kPa for Propane Gas A supply gas pressure regulator service regulator must be installed on the gas supply line within 10 305 cm of the unit Also see gas pressure specification table on page 4 1 Check gas line pressure with a manometer 2 Check manifold pressure gauge manometer connected to the manifold pressure tap on the gas control valve If full rate adjustment is required remove cover screw from top of the gas control valve Using a small screwdriver turn adjusting screw clockwise to increase or counterclockwise to decrease gas pressure to obtain 4 0 W C 1 K pa for natural gas and 10 0 W C 2 5 kPa for L P Gas 3 Cycle the burner on and off several times to check its operation 4 Check the operation of the limit and operating controls 5 Check the vent system seams and joints and ensure that there is no discharge of flue products into the room 6 Check the input rate HIGH ALTITUDE INSTALLATIONS SUF 120 150 For appliance installation locations with elevations above 6 500 feet 1982 meters consult the High Altitude Installation section of the owners manual State Water Heaters Technical Training Department 5 Servicing should only be performed by a Qualified Ser
18. d VDC Volts Frequency Pressure W C Ignition low speed 7 53 150 2 2 5 3 Purge high speed 7 77 155 Hz 2 5 85 VFD Part Number 197500 000 i Frequency is displayed in the red LED 155Hz State Water Heaters Technical Training Department 34 Ashland City Tennessee 2009 Servicing should only be performed by a Qualified Service Agent 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK WIRING DIAGRAM SUF 120 300 LOW GAS BLOCKED BLOCKED BLOWER GAS VALVE INLET OUTLET PROVER T em T ar T a ce ak L IGNITER FLAME ROD ZEE Wwm T i H ie ee a pane TOP PROBE zH 58 H ANODE 1 z H T BOTTOM PROBE ANODE 2 zr 5 er BURNER GROUND BURNER BOLT TSAR SAME E State Water Heaters Technical Training Department 35 Ashland City Tennessee 2009 Servicing should only be performed by a Qualified Service Agent 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK WIRING DIAGRAM SUF 400 a MOCKED BLOCKEL GAS Waly LE1 TA ALVE TA LLL or 2 Li 14 0 GROUND STRIP EURHER GROUND BURNER State Water Heaters Technical Training Department 36 Ashland Cit
19. d the power supply to the water heater State Water Heaters Technical Training Department 22 Ashland City Tennessee 2009 Servicing should only be performed by a Qualified Service Agent 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK CONTROLS GAS VALVE SUF 120 The gas control valve on the SUF 120 has a built in adjustable pressure regulator The adjustment screw is accessed by removing the cap screw market regulator in the illustration Inlet gas pressure may be read at the inlet pressure tap only if the manual shut off valve gas cock is in the ON position Leaving the knob in the OFF position will not allow the burner to fire and will generate fault code on the UIM Universal nterface Module VENT ri PRESSURE SHUT OFF REGULATOR ALVE CONTROLS GAS VALVE SUF 150 The gas control valve on the SUF 150 is has a built in pressure regulator The regulator may be adjusted by removing the cap screw marked regulator in the illustration Inlet gas pressure may be read at the inlet pressure tap only if the manual switch is set the ON position State Water Heaters Technical Training Department 23 Ashland City Tennessee 2009 Servicing should only be performed by a Qualified Service Agent 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK CONTROLS
20. e returns to normal 1 Check gas line pressure with a manometer adjust the gas supply line pressure Gas Pressure table on page 4 2 Check manifold pressure using a pressure gauge manometer connected to the manifold pressure tap on the gas control valve If full rate adjustment is required remove cover screw from top of the gas control valve Using a small screwdriver turn adjusting screw clockwise to increase or counter clockwise to decrease gas pressure to obtain 4 0 w c 0 996 kPa for Natural Gas and 10 w c 2 49kPa for LP gas 3 Cycle the burner on and off several times to check its operation 4 Check the operation of the limit and operating controls 5 Check the vent system seams and joints and ensure that there is no discharge of flue products into the room 6 Check the input rate as shown on page 5 State Water Heaters Technical Training Department 7 Ashland City Tennessee 2009 Servicing should only be performed by a Qualified Service Agent 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK INSTALLATION TIPS SUF 300 400 AT A GLANCE QUICK INSTALLATION TIPS Cundr Hi mie w pee BP E Ar EXHAUST COMME TION GAS SUPPLY PRESSURE ar iat adel co geo GAS 5 27 WO DY MARE TP Wo STATIC re te tet APT MEN OA Oe MA WE STAT ELE TAHAL CONWECTEK PS PLACE 15 MECCMPAT ICONE 2 WHE GREEN HIYLA d
21. educe possibility of frost over from side winds blowing exhaust vapors to the air intake of the direct vent 2 The horizontal centerline of the intake vent terminal may not be located lower than the horizontal centerline of the exhaust vent terminal FOR ALL MODELS JT 1 EXHAUST VENT INTAKE VENT TERMINAL TERMINAL er He a p 24 61cm MINIMUM State Water Heaters Technical Training Department 12 Ashland City Tennessee 2009 Servicing should only be performed by a Qualified Service Agent 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK DIRECT VENTING ALL MODELS The air intake provided on the unit contains a mesh screen to prevent large particles from entering the unit WHEN THE UNIT IS TO BE SET UP AS A DIRECT VENT THE BALANCE PLATE AND MESH SCREEN MUST BE REMOVED BEFORE GLUING PIPE TO THE CONNECTOR THE INLET VENT PIPE MAY THEN BE GLUED TO THE AIR INTAKE PROVIDED ON THE UNIT 45 PVCElbow MESH SCREEN i i Remove the balance plate and mesh screen before gluing intake air pipe to the fitting 3 120 250 4 300 400 Two 3 or 4 45 PVC elbows with mesh screens are provided with each unit Both elbows are to be used in direct vent applications The screens are provided to keep vermin and large debris from entering the i
22. ent 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK CONTROLS CONNECTIONS IGNITER FLAME SENSOR SIGHT GLASS POWERED ANODES The connections for the hot surface igniter and the flame sense rod are shown below Also shown is the burner sight glass These features are typical for all models b A LES Sensor Hot Surface Igniter Burner Mounting Bolts Burner Sight Glass State Water Heaters Technical Training Department 30 Servicing should only be performed by a Qualified Service Agent The new Ultra Force commercial w ater heater is equipped with powered odes These anodes never need replacement The CCB monitors the cur rent th rough t he anodes and will declare a fault if there is a disconnected wire or if there is no water in the tank Warning Anode Under Current Warning occurred 2 mins ago 9 The power anode s current is low B Press DOWN for Advanced Ashland City Tennessee 2009 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK HOT SURFACE IGNITER FLAME SENSOR CONTROL TIMING HOT SURFACE IGNITER CONTROL TIMING This water is equipped with an electric hot Pre purge 25 seconds surface igniter The igniter material is silicone carbide and should not be handled with bare hands because of possible damage Trial for ignition to the igniter Gas Control Open Igniter Warm u
23. ent pipe The switch is connected to the pressure tap on the PVC flange connected to the inlet of the blower When this switch prevents the unit f rom igniting most likely the intake is blocked by some means Verify that the air intake pipe and air intake v ent terminal are free of obstructions that may prevent air from entering the unit Also check the that the equivalent feet of vent pipe for the specific model has not been exceeded Check the vent length tables on page 9 LOW GAS PRESSURE SWITCH The Low Gas Pressure Switch electrical contacts are normally open The low gas pressure switch electrical contacts will close on a rise pressure The contacts will open when the pressure falls below the fixed set point If this happens during a heating cycle a the burner will be shut down and a fault will be declared on the UIM Ashland City Tennessee 2009 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK CONTROLS PRESSURE SWITCHES SUF 120 through 250 BLOCKED INLET LOW GAS PRESSURE BLOCKED OUTLET PRESSURE SWITCH SWITCH PRESSURE SWITCH MODEL PRESSURE MODEL MODEL All 0 85 WC 0 120N Normally Closed 0 150 Open Rise in Normally Open Close 199N Pressure ona Rise in Pressure 250N BLOWER PROV ER PRESSURE SWITCH MODEL All 075 WC Tolerance 05 WC 120LP Tolerance 05 WC 150LP 199LP 250LP Normally Closed Open on a Rise in Pressure Tolerance 05
24. eral times to ensure proper operation State Water Heaters Technical Training Department 6 Servicing should only be performed by a Qualified Service Agent HIGH ALTITUDE INSTALLATION The SUF 199 and 250 models are suitable for installation up to 10 100 feet above sea level with no adjustments GAS ORIFICE The SUF 199 and 250 models do not have a natural gas orifice A 230 orifice is used on LP gas models Venturi Gasket w o orifice Gas Control Without Orifice Natural Gas Venturi Gasket w LP Gas Orifice Gas Control with 230 LP Orifice A supply gas pressure regulator service regulator must be installed on the gas supply line within 10 305 cm of the unit Ashland City Tennessee 2009 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK INSTALLATION QUICK TIPS SUF 300 400 GAS PRESSURE ADJUSTMENT PROCEDURE HIGH ALTITUDE ADJUSTMENT GAS PRESSURE SUF 300 400 SUF 300 400 For high altitude adjustments contact the help line on the front of the water heater or contact help statewaterheaters com A minimum dynamic gas supply pressure of 5 2 w c 1 29 kPa for Natural Gas and 11 w c 2 74 kPa for LP Gas is required before making any adjustment to the gas control pressure regulator Attempts to adjust the regulator during periods of low gas supply pressure could result in over firing of the water heater when the gas supply pressur
25. ervice Agent 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK FAULT AND WARNING CONDITIONS ADVANCED DIAGNOSTIC INFORMATION This water heater control has the ability to monitor almost all aspects of the water heater s operation In the case that there is an undesirable or uns afe condition that occurs the water heater control will detect this condition and determine the appropriate action T he water heat er control will di splay t he information on the desktop in plain text that accurately describes the condition and diagn ostics i nformation that can be used to correct the issue There are two types of conditions that can occur during operation These are Warnings and Faults Warnings This is a non safety related condition that the control has detected that may cause the water heater to operate in a less than optimal condition but does not pose a safety concern NOTE When these conditions oc cur continued heating cycles will continue and the heater will attempt to regulate the water in the tank to the Operating Set Point Example of a Warning Warning Anode Under Current Warning occurred 2 mins age 9 The power anode s current is low E Press DOWN for Back Advanced State Water Heaters Technical Training Department 17 Servicing should only be performed by a Qualified Service Agent Faults This is a safety related condition that has been detected by
26. essure tap Replace the set screw in the manifold pressure tap If the gas pressure regulator cannot be adjusted to give the full input rating with sufficient gas pressure at the valve check to ensure the unit is equipped with the correct orifice Ashland City Tennessee 2009 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK INSTALLATION QUICK TIPS SUF 199 AND 250 GAS PRESSURE ADJUSTMENT PROCEDURE GAS PRESSURE SUF 199 AND 250 MODELS IMPORTANT NOTE THE SUF 199 AND 250 MODELS INCORPORATE A NEW GAS CONTROL WHICH OPERATES AT A MANIFOLD PRESSURE OF 0 W C 0 kPa FOR BOTH NATURAL AND PROPANE GAS SEE THE GAS PRESSURE CHART ON PAGE 4 THESE MODELS ARE CONFIGURED PRIOR TO BEING SHIPPED FROM THE FACTORY AND NO ADJUSTMENTS ARE NECESSARY PRIOR TO STARTUP THE CONTROLLER MONITORS THE AIR FLOW AND MAKES ADJUSTMENTS TO THE FAN SPEED WHICH IN EFFECT CONTROLS THE AMOUNT OF GAS FLOW THEREFORE THE UNIT WILL SELF ADJUST TO ACQUIRE THE CORRECT AMOUNT OF INPUT Supply gas pressure to the water heater must not exceed a maximum of 10 5 w c 295kPa for natural gas or 14 w c 3 45 kPa for propane The minimum supply gas pressure is 4 8 w c 1 20 kPa for natural gas and 8 5 w c 2 12 kPa for propane gas Once the unit is installed and filled with water and the inlet pressures confirmed simply turn the switch on and observe operation Cycle the unit off and on sev
27. ing 646 DN Menu OPERATION UP AND BUTTONS DOWN BUTTONS State Water Heaters Technical Training Department 14 Servicing should only be performed by a Qualified Service Agent The table of status icons describes graphically operational details of the water heater Below is a legend of all the status icons Status Description Icon The temperature of the water in the tank has fallen and the water heater will now initialize a new heating cycle The temperature of the water in the tank has reached the Operating Set Point The control is unable to initiate any further heating cycles This is usually caused by a fault condition detected by the control but can also occur when an external system like an energy management system has asked the water heater to discontinue any further heat cycles The blower is being energized The blower pressure switch has been made The igniter has been energized The igniter has been energized and sufficient current for ignition has been detected The control has requested that the gas valve be turned on The control has sensed flame in the burner The control has detected a fault condition A fault condition will cause the water heater to discontinue operation The control has detected a warning condition These conditions will not cause the water heater to discontinue further heating cycles
28. ired carbon monoxide detector with an alarm and battery back up is installed on the floor level where the gas equipment is to be installed In addition the installing plumber or gas fitter shall observe that a battery operated or hard wired carbon monoxide detector with an al arm is installed on each additional level of the dwelling building or structure served by the sidewall horizontal vented gas fueled equipment It shall be the responsibility of the property owner to secure the services of qualified licensed professionals for the installation of hard wired carbon monoxide detectors In the event that the s ide wall hor izontally v ented gas fueled equipment is installed in a crawl space or an attic the hard wired carbon monoxide detector with alarm and battery back up may be installed on the next adjacent f loor evel 1 t he event t hat the requirements of this subdivision can not be met at the time of completion of installation the owner shall have a period of thirty 30 days to comply with the above requirements provided that during said thirty 30 day period a battery operated carbon monoxide detector with an alarm shall be installed APPROVED CARBON MONOXIDE DETECTORS Each carbon monoxide detector as required in accordance with the above provisions shall comply with NFPA 720 and be ANSI UL 2034 listed and CSA certified SIGNAGE A metal or plastic identification plate shall be permanently mounted to the exterior of the bui
29. ks are successfully passed the combustion blower is energized for the pre purge cycle 5 When the pre purge cycle is complete power is applied to the igniter element for the igniter warm up period 6 At the conclusion of the igniter warm up period the gas valve will open allowing gas to enter the burner chamber 7 The igniter will remain on for a short predetermined time period then will be turned off 8 The control will monitor the flame sense probe to confirm a flame is present If a flame is not verified within predetermined time period the gas valve will immediately be closed and the blower will continue to run for approximately 30 seconds inter purge The control will try for ignition two more times before lockout 9 If a flame is confirmed the control will enter the heating mode where it will continue heating the tank water until the set point temperature plus differential is reached At this point the gas valve is closed and the control enters the post purge cycle State Water Heaters Technical Training Department 20 Servicing should only be performed by a Qualified Service Agent 10 The combustion blower will run for the duration of the post purge cycle to purge the system of all combustion gases When the post purge cycle is complete the blower is de energized and will coast to a stop 11 The control will now enter the idle state while continuing to monitor the internal tank water temperature and the
30. l Hz Hz 199N 133 87 250 133 87 199 LP 200 156 250 LP 266 96 Note Removing the plug shown in the illustration will cause the blower to accelerate and the input of the water heater to increase to a much higher rate Meter black lead is connected to ground not shown and the red lead is connected to an open te rminal on bl ower speed con trol connection Meter red probe connected to open terminal on plug State Water Heaters Technical Training Department 32 Servicing should only be performed by a Qualified Service Agent Ashland City Tennessee 2009 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK VARIABLE FREQUENCY DRIVE SUF 400 The Ultra Force SUF 400 model has a variable frequency drive VFD that controls the rom of the blower motor The VFD receives a signal from the central control board that instructs the VFD to transmit the proper frequency to the blower to produce the proper blower speed and proper input Three conditions must be met for the frequency drive to start the blower 1 120VAC must be supplied to the VFD 120VAC input 2 The ignition control board closes an enable circuit terminals LI1 and 15V 3 The ignition control board sends a 1 10VDC instruction terminals OV and See table on the next page for voltage and frequency information GROUND HOT NEUTRAL an 3 R L1 N BLOWER MOTOR WIRES BLACK WHITE RED VARIABLE FREQU
31. lding at a minimum height of eight 8 feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS GAS PRESSURE SPECIFICATIONS MODELS Natural Propane Natural Propane Natural Propane 120 150 120 150 199 250 199 250 300 400 500 300 400 500 Maximum Gas Supply Pressure 10 5 WC 14 0 10 5 WC 14 0 11 0 WC 14 00 WC 2 59kPa 3 45kPa 2 59kPa 3 45kPa 2 74kPa 3 49kPa Nominal Gas Supply Pressure 7 0 WC 11 0 WC 7 0 WC 11 0 WC 7 0 WC 11 0 WC 1 74kPa 2 74kPa 1 74kPa 2 74kPa 1 74kPa 2 74kPa Minimum Gas Supply Pressure 4 8 WC 8 5 WC 4 8 WC 8 5 WC 5 2 WC 11 0 WC Press Switch 1 20kPa 2 12kPa 1 20kPa 2 12kPa 1 54kPa 2 74kPa Manifold Pressure 4 0 WC 10 0 WC O WC 4 00 WC 10 0 WC 0 98kPa 2 49 kPa kPa kPa 1 25kPa 2 49kPa State Water Heaters Technical Training Department 4 Servicing should only be performed by a Qualified Service Agent Ashland City Tennessee 2009 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK INSTALLATION QUICK TIPS SUF 120 and 150 GAS PRESSURE ADJUSTMENT PROCEDURE GAS PRESSURE SUF120 AND 150 MODELS Main line g
32. ng cycle the blower will enter a post purge cycle and the control will enter an idle state If the control fails to see flame the blower will continue to run for a 30 second Inter purge There will be 3 trials for ignition before a fault is declared At the conclusion of the inter purge the igniter will warm and the gas valve will open State Water Heaters Technical Training Department 21 Ashland City Tennessee 2009 Servicing should only be performed by a Qualified Service Agent 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK CONTROLS CENTRAL CONTROL BOARD CCB The Central Control Board or CCB is contained in the housing shown below Access to the board and the wiring harness plugs can be accomplished by removing two Phillips screws This view shows the cover removed from the holding the cover CCB Remove these screws to release COVer The CCB is controlled by the settings given through the desk top menu UIM The CCB also monitors all pressure switches the hot surface igniter tank temperatures the gas valve the anodes and the flame sensor This is the back of the UIM The CCB directly controls blower speed on the SUF199 and 250 models and indirectly controls blower speed on the SUF 400 by means of a Variable Frequency Drive see page 33 Note Improper operation may be the result of a loose connection Please check all wiring connections an
33. ntake air and exhaust vent runs State Water Heaters Technical Training Department 13 Ashland City Tennessee 2009 Servicing should only be performed by a Qualified Service Agent 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK CONTROL OVERVIEW Interaction with the water heater controller is done through an LCD display called the Universal Interface Module UIM This screen is also referred to as the desktop or desktop menu Up and down buttons and three operation buttons allow navigation through the control menus and to make adjustments to the water heater Operation of the three lower buttons is defined immediately above them on the screen While the water heater is operating the user interface will display the desktop screen if there are no active faults or warnings e Anexample of this screen is shown below e The first temperature on this screen is the temperature of the water inside the tank e The second temperature on this screen is the Operating Set Point e The Operating Set Point is the temperature at which the water heater will maintain the water inside the tank e The third line on the screen is a text description of the Operational State of the water heater The operating state of the water heater is also indicated graphically by status icons State Ultraforce SUF 130 400 103 F 120 F Help Tank Temperature Operating Set Point Status Heat
34. o verify that the fan is operating lt is a positive pressure switch whose electrical contacts are normally open The blower proving switch electrical contacts will close on a rise in pressure as the blower increases the pressure in the burner This switch is connected to the burner tap by a piece of Tygon soft plastic tubing This tubing must be connected in order for the switch to close the electrical contacts The controller requires that the electrical contacts on this pressure switch be open before it will allow the blower to come on The control will declare a fault on the UIM if either condition occurs State Water Heaters Technical Training Department 27 Servicing should only be performed by a Qualified Service Agent BLOCKED OUTLET PROVING SWITCH The blocked outlet proving switch electrical contacts are normally closed The blocked outlet proving switch electrical contacts will open on a rise in pressure Check to see if the condensate is allowed to flow freely from the exhaust elbow and for obstructions in the exhaust venting and exhaust vent terminal Also check the that the equivalent feet of vent pipe for the specific model has not been exceeded Check the vent length tables on page 9 BLOCKED INLET PROVING SWITCH The Blocked Inlet Proving switch electrical contacts are normally closed The blocked inlet proving switch el ectrical c ontacts w ill op en when an increase in negative pressure vacuum occurs in the intake v
35. p 17 seconds 5 seconds The normal ohm reading at 77 F is listed Inter Post Purge 30 seconds between 40 and 70 ohms The minimum igniter current monitored by the CCB is 2 7 amps Once this threshold is met a check mark will appear by the igniter icon in the UIM display FLAME SENSOR This water heater is equipped with an electronic flame sensor The flame sensor senses flame by passing a small electric current through the burner flame This type of flame sensing is also known as flame rectification T he CCB is looking for a minimum current of 7 micro amperes for the water heater to operate Once this current is established the UIM will display a flame icon 4 State Water Heaters Technical Training Department 31 Ashland City Tennessee 2009 Servicing should only be performed by a Qualified Service Agent 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK BLOWER SPEED CONTROL SUF 199 AND 250 The input of the SUF 199 and SUF 250 is determined by the blower The input of the water heater may be determined by clocking the meter as shown on page 5 or by making sure the blower is receiving the proper Hz signal The blower rpm is controlled by the Central Control Board CCB The signal to the blower may be measured by attaching a MULTIMETER that has a Hertz Hz setting as shown in the illustration to the right If the Hz signal is within Mode
36. rs Technical Training Department 19 Servicing should only be performed by a Qualified Service Agent Viewing Information About the Water Heater The control for this water heater monitors many different aspects of the water to ensure safe and optimal operation Much of the information monitored is available to view in two areas of the control The first is the Heater Status and the second is Heater Information These items can be selected through the desktop menu In these menus detailed information about the water heater and the current status of specific conditions can be found Ashland City Tennessee 2009 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK CONTROL SEQUENCE TYPICAL ALL MODELS TYPICAL SEQUENCE 1 When the control is powered it should display waiting for connection and UIM v2 06 The manufacturer and unit model will be next The next display will include water temperature temperature setting and heater status This number may change as software revisions are made 2 The control performed selected system diagnostic checks immediately upon power up This includes confirming the proper state of the air gas switches and ECO limit device and powered anodes 3 If the control determines that the actual water temperature inside the tank is below the programmed temperature set point less the differential a call for heat is activated 4 f all chec
37. s and can replace a gas pressure gauge draft gauge or slack tube manometer for checking gas pressure model 200 or equivalent WATER PRESSURE GAUGE w LAZY HAND AND HOSE BIBB CONNECTION THERMOMETER 1 1 16 INCH SOCKET WITH EXTENSION FOR ANODE REPLACEMENT SET OF NUMBERED DRILL BITS WATER PRESSURE TEST GAUGE W LAZY HAND AND HOSE BIBB CONNECTION DIGITAL MANOMETER DIGITAL MULTIMETER State Water Heaters Technical Training Department 3 Ashland City Tennessee 2009 Servicing should only be performed by a Qualified Service Agent 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK GENERAL INFORMATION INSTALLATION REQUIREMENTS FOR THE COMMONWEALTH OF MASSACHUSETTS For all side wall terminated horizontally vented power vent direct vent and power direct vent gas fueled water heaters installed in every dwelling building or structure used in whole or in part for residential pur poses including t hose ow ned or operated by the Commonwealth and where the side wall exhaust vent termination is less than seven 7 feet above finished grade in the area of the venting including but not limited to decks and porches the following requirements shall be satisfied INSTALLATION OF CARBON MONOXIDE DETECTORS At the time of installation of the side wall horizontal vented gas fueled equipment the installing plumber or gas fitter shall observe that a hard w
38. state of other system devices If the temperature drops below the set point value less differential the control will automatically return to step 2 and repeat the entire operating cycle State Ultraforce SUF 130 400 103 F 120 F Tank Temperature Operating Set Point status Heating Blow er icon Check mark in the box indicates indicates the blow er pow er to the proving sw itch contacts blow er are made Flame icon indicates burner is ignited and that flame has been sensed Ashland City Tennessee 2009 198152 002 CONTROL SEQUENCE FLOW CHART Power on ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK If checks are not passed the control will display an error or warning The control will store an error history to show what fault occurred and the time elapsed since the fault Control displays model temperature setting and status The control performs internal system checks and determines tank temperature is below set point If all checks are passed and there is a call for heat the blower is energized for a pre purge cycle When the pre purge is complete power is applied to the igniter for Warm up At the conclusion of the igniter warm up the gas valve will open for 4 seconds If the control senses flame the water heater will fire until the set point is reached At the conclusion of the heati
39. t Meters 120 through 250 Number of 90 3 Minimum 3 Maximum 4 Maximum Elbows Pipe Ft M Pipe Ft M Pipe Ft M ONE 1 7 2 1 45 13 7 115 35 TWO 2 7 2 1 40 12 2 110 33 5 THREE 3 7 2 1 35 10 7 105 32 FOUR 4 7 2 1 30 9 1 100 30 5 FIVE 5 7 2 1 non 95 29 SIX 6 7 2 1 een 90 27 4 VENTING TABLES SUF 300 400 Vent Length Table Equivalent Feet Meters 300 400 Number of 4 PVC 90 Elbows Maximum Feet meters of Pipe ONE 1 65 19 7 TWO 2 60 18 2 THREE 3 55 16 7 m FOUR 4 50 15 2 FIVE 5 45 13 6 SIX 6 40 12 1 m State Water Heaters Technical Training Department 9 Ashland City Tennessee 2009 Servicing should only be performed by a Qualified Service Agent ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK VENTING ALL MODELS SINGLE PIPE POWER VENT USING ROOM AIR U S POWER VENT WENT HEDE MAY HE EXTREMELY HOT ORIN ia pmi ops FT TG BEXE cm ET 2 CF E eere LY z am va 4 FT i L a bug BR eH THAT BE OPPER 1 FT AMOUE WAY THAT BIROD OR DOOR THAT RE OHH War Cw x am SACA WHERE FI HOT i PERI
40. temperature probes on the heater ACTION Press Update to accept the change or Cancel to reset it DISPLAY Temperatures Jj Set Point Differential Tank Temperature Upper Temperature Lower Temperature Heater Regulated to Tank Ashland City Tennessee 2009 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK CHANGING THE DISPLAY UNITS The desktop menu has the option of selecting ACTION between degrees Fahrenheit and degrees Celsius for Press Update to accept the change or Cancel to temperature displays This can be found in the reject it Display Settings menu Also in this menu you may adjust how the back light operates and the contrast of DISPLAY the LCD screen Display Settings ACTION From the Main Menu press the DOWN button to Temperature Units M highlight Display Settings then press Select Backlight Delay 30s DISPLAY Contrast 60 Main Menu Temperatures Heater Status Display Settings Update Cancel Heater Information Current Fault none ACTION Use the UP and DOWN buttons to highlight the desired setting Then press Change Again use the UP and DOWN buttons to scroll through the options for that setting DISPLAY Display Settings Temperature Units Backlight Delay Contrast Change State Water Heaters Technical Training Department 16 Ashland City Tennessee 2009 Servicing should only be performed by a Qualified S
41. the heater NOTE When these conditions occur the water heater WILL NOT CONTINUE any further heating cycles and the water will no longer be heated until the condition is corrected and in most cases power has been cycled Example of a Fault Blower Prover Open Fault occurred 2 mins The blower prover switch remains open after the blower has been energized Press DOWN for more Back Advanced Advanced Diagnostic Information When a fault or warning has been declared advanced information can be found in the control By pressing the Advanced button detailed information can be found regarding diagnosing and resolving the problem WARNING Usage of the Advanced information requires ability equivalent to that of a licensed tradesmen in the field involved Ashland City Tennessee 2009 198152 002 ULTRAFORCE COMMERCIAL GAS WATER HEATER SUF 120 thru 400 SERVICE HANDBOOK ACCESS TO THE CURRENT FAULT OR WARNING When a fault or warning has been detected by the control it will automatically be displayed on the screen and the back light will blink If you choose to leave the current fault or warning by pressing the Back key you can always return to the fault through the display menu through the menu Vain Menu Tem pe ratures Heater Status Display Settings Heater Information Current Fault none ACTION To get to the current fault information screen press Menu DISPLAY State Ultraforce
42. vice Agent a Attach a pressure gauge manometer to the manifold pressure tap and refer to page 4 for correct pressure b Use this formula to clock the meter Be sure other gas consuming appliances are not operating during this interval Btuh 3600 X H T T Time seconds to burn 1 cubic foot of gas With a stopwatch read the gas meter and measure the amount of time required for the heater to consume 1 cubic foot of gas H Heating value of gas in Btu s per cubic foot of gas Btuh Actual heater input rate in Btuh EXAMPLE Using SUF 150 heater T 25 25 seconds H 1050 Btu ft 3 Compare result to the de rated input required for the elevation at the installation location Should it be necessary to adjust the gas pressure to the burner to obtain the full input rate the steps below should be followed c Remove the pressure regulator cover screw and adjust the pressure by turning the adjusting screw with a small screwdriver Do not exceed 4 0 1 kPa natural gas models and 10 0 w c 2 5kPa on the propane models Clockwise to increase gas pressure and input rate Counterclockwise to decrease gas pressure and input rate d Clock the meter as in step b above e Repeat steps c and d until the specified input rate is achieved f Turn the manual gas valve to OFF Replace the pressure regulator cover screw Remove the pressure gauge or manometer from the manifold pr
43. y Tennessee 2009 Servicing should only be performed by a Qualified Service Agent 198152 002 state WATER HEATERS 500 Tennessee Waltz Parkway Ashland City TN 37015 www statewaterheaters com
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