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Rational SelfCooking Center SCC Training Manual
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Rational SelfCooking Center SCC Training Manual

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Training Manual
Diagnostic and Troubleshooting
SCC Line from 04-2004
Software 01_07_02 and above
Edition: 11-2004
Manual includes changes up to TI 13-2004

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Summary of Contents for Rational SelfCooking Center SCC

  • Page 1 Training Manual Diagnostic and Troubleshooting SCC Line from 04-2004 Software 01_07_02 and above Edition: 11-2004 Manual includes changes up to TI 13-2004...

  • Page 2: General Hints

    Training Manual Diagnostic and troubleshooting SCC Line from 04-2004 General hints: Isolate the appliance from mains supply before opening the appliance When working with chemicals, i.e. aggressive cleaning materials always wear protective clothing, goggles, face mask and gloves! After maintenance / repair the appliance must be checked for electric safety in accordance with your national, state and local requirements! Whenever working on any gas component like: Gas valve, gas blower and / or changing connected type of gas...

  • Page 3: Common Topics

    Part 2: Topic Page: SCC Technique SCC Overlay II - 01 SCC SelfCooking Control II - 02 SCC Combi Steamer mode II - 03 SCC Principle II - 04 SCC Operator PCB II - 05 SCC I/O PCB II - 06 SCC Sequence of events II - 07 SCC Service level...
  • Page 4 CM Technique from 04-2004 Steam Hot Air Combination Low Temperature Steam Finishing Cool Down Actual Temperature Display Cabinet Temperature Dial Timer button Core Temperature button Time - Core Temperature Display Time - Core Temperature Dial I - 04...
  • Page 5 CM electric from 04-2004 B1 Thermocouple interior cabinet B2 Thermocouple quenching B3 Thermocouple core temperature B5 Thermocouple steam generator Safety thermostat steam generator 160°C (320°F) Safety thermostat interior cabinet 360°C (680°F) Y1 Solenoid valve filing Y2 Solenoid valve quenching M1 Fan motor (without jumper) Fan motor Top (floor unit only) with jumper M4 SC-pump...
  • Page 6 Level Control Steam Generator Center S2 ==> Ground: 2 - 6V AC: water level too low steam heating must switch OFF solenoid valve filling ON Center S2 ==> Ground: 0V AC: water level reached steam heating can switch ON solenoid filling switched OFF Every 2 minutes steam elements will switch off for water level control Notes: I - 06...
  • Page 7 Steam Control CM from 04-2004 Intelligent steam control via quenching sensor 1. Filling of interior cabinet based on time and temperature control of B1 cabinet sensor 2. After steam saturation inside cabinet steam will also fill quenching chamber 3. Depending on the temperature raise of quenching sensor B2 the duration of the next steam...
  • Page 8 Key Code CM from 04-2004 Select cleaning program Cool down cabinet below 60°C Spray inside cabinet with Rational cleaner Open cabinet door Select "Cool Down" Press core temperature key for 10 sec. CLEN "CLEN" will show in cabinet temperature display Press timer key 1x;...
  • Page 9 Key Code CM from 04-2004 Change temperature from °C - °F Select any mode 100°C Press timer and core temperature key simultaneously 212°F for 10 sec. until ==> Display changes from °C to °F or vice versa Release both keys Notes: I - 09...
  • Page 10 CM PCB - Connections B3 Core temperature B1 Interior cabinet B2 Quenching / Steam control B5 Steam generator ON - OFF switch Buzzer Level electrode SC - pump Solenoid valves Energy optimising Vent hood Door contact switch Serial interface BUS / RS 485 interface Timer / Core Potentiometer EEPROM Counting sequence...
  • Page 11 Sequence of events: CM electric Mode: Low temperature steam Temp. range 30-99°C (86-210°F) Function Step Responsible sensor Signal Remark Select vario steam mode (Temp. setting 30-99°C (86-210°F)) Select time or core temperature Door open: 12VDC X27:(1-2) Close cabinet door Reed switch S3 Door closed: 0VDC X27:(1-2) Level electrode S2 inside...
  • Page 12 Sequence of events: CM electric Mode: Steam 100°C (212°F) Temp. preset, not adjustable Function Step Responsible sensor Signal Remark Select Steam mode Select time or core temperature Door open: 12VDC X27:(1-2) Close cabinet door Reed switch S3 Door closed: 0VDC X27:(1-2) Level electrode S2 inside X12:(1-4) >...
  • Page 13 Sequence of events: CM electric Mode: Combination Temp. range 30-300°C (86-572°F) Function Step Responsible sensor Signal Remark Select Combination mode (Temp. 30-300°C (86-572°F)) Select time or core temperature Door open: 12VDC X27:(1-2) Close cabinet door Reed switch S3 Door closed: 0VDC X27:(1-2) Level electrode S2 inside X12:(1-4) >...
  • Page 14 Sequence of events: CM electric Mode: Finishing Temp. range 30-300°C (86-572°F) Function Step Responsible sensor Signal Remark Select Finishing . 100-140°C (212-284°F)) Recom. Temp Select time or core temperature Door open: 12VDC X27:(1-2) Close cabinet door Reed switch S3 Door closed: 0VDC X27:(1-2) Level electrode S2 inside X12:(1-4) >...
  • Page 15 Sequence of events: CM electric Mode: Hot Air Temp. range 30-300°C (86-572°F) Function Step Responsible sensor Signal Remark Select Hot Air (Temp. 30-300°C (86-572°F)) Select time or core temperature Door open: 12VDC X27:(1-2) Close cabinet door Reed switch S3 Door closed: 0VDC X27:(1-2) Timer starts at once Logic on PCB...

  • Page 16: Function Test

    Service Level CM from 04-2004 Switch unit ON On operator PCB set DIP switch 1 to "ON" position Select service package with timer dial Diagnostic Program Running times Basic settings Activate with the core temperature key the desired service package Select with the timer dial the desired step inside the package Activate selected step with the temperature key To de-activate service package set DIP switch 1 to "OFF"...
  • Page 17 Service Level: dP -- Diagnostic Cabinet Timer dP # Description Connection display display Software Software version: version: dP 1 Software version C - 1 - 05.00 Reset by pressing dP 2 B1 Cabinet sensor for 5 sec. actual value max value Reset by pressing dP 3 B2 Quenching sensor...
  • Page 18 Service Level: rt -- Running Times Timer display: 1-999 Temp. display: >1000 Reset by pressing rt 1 number Total S3 door openings for 5 sec. Reset by pressing rt 2 Total time Y1 valve filling for 5 sec. Reset by pressing rt 3 Total time Y2 valve quenching for 5 sec.
  • Page 19 Service Level: SE -- Basic settings Basic settings Select desired step with timer dial (fan motor and heating elements are automatically OFF) Activate selected step with timer key Steam heating time since last SC-Automatic Press time and core key for 5 seconds to set steam heating time to preset steam heating time plus 1 minute Preset Steam heating time until SC-Automatic (default 45min, 20-120 min adjustable)
  • Page 20 Service Level: F -- Function Test NOTE: In Function test components are NOT protected against overload! Cabinet Timer Function display display Connection Comment actual temp. Steam 50% Electric unit B5 steam generator 1 / 0 X24:(1-2) Gas: No function actual temp. Steam 100% Electric unit B5 steam generator 1 / 0...
  • Page 21 Failure Codes CM from 04-2004 Int. cab. Timer Failure explanation Description display display OPEn O open Lack of water CHnG Change Polarity Phase / Neutral (only gas units) Int. cab. Timer display Part concerned Description display (E -press core temp. key) EEPROM Not initialised...
  • Page 22 CM Gas from 04-2004 B1 Thermocouple interior cabinet B2 Thermocouple quenching B3 Thermocouple core temperature B5 Thermocouple steam generator Safety thermostat steam generator 135°C (275°F) Safety thermostat interior cabinet 360°C (680°F) Y1 Solenoid valve filing Y2 Solenoid valve quenching M1 Fan motor (no jumper) Fan motor TOP with jumper (floor units only) M4 SC-pump...

  • Page 23: Ignition Box

    Basic info about CM Gas from 04-2004 Identification of the different gas burners / Gas blowers: CM 201 - 202 CM 61 - 62 - 101 - 102 Steam Blower (ignition box fitted) Hot Air Blower Top (NO ignition box fitted) Hot Air Blower Bottom (201-202) ignition box fitted)
  • Page 24 Gas adjustments: CM gas from 04-2004 Whenever working on any gas component like: Gas valve, gas blower and / or changing connected type of gas, a detailed flue gas analysis MUST be done using adequate CO and CO measuring equipment! This shall ONLY be done by trained technicians! Always check appliance for possible gas leakages! Gas conversion;...
  • Page 25 Gas adjustments: CM gas from 04-2004 Before you carry out a flue gas analysis check input gas flow pressure when burner is running • Switch on unit. Select any mode and cooking time. Wait till burner works • Check input gas flow pressure •...
  • Page 26 Gas adjustments: CM gas from 04-2004 F 19 Enter position F19 "Steam MIN" with timer key Activate position F19 with core temperature key; NOTE: in this position core temp. key is used as a switch and will automatically deactivate after 4 minutes. Carry out a CO measurement to cross-check CO value only.
  • Page 27 Values for burner adjustments of gas units SCC / CM from 04/2004 (04-10-04) Steam Burner Hot Air Burner - Top Side Hot Air Burner - Bottom Side (only at 201-202) Type of gas Adjustment of Adjustment of Adjustment of Input gas flow Input gas flow Input gas flow at "MAX"...
  • Page 28 Gas adjustments: CM gas from 04-2004 Set gas blower speed (as from Software C-06-03): This setting shall ONLY be done by specially trained and Rational NOTE: approved technicians. Open cabinet door Select any mode Open control panel Set DIP switch 1 on PCB to "ON" position With timer dial select: "SE"...
  • Page 29 Notes: I - 29...
  • Page 30 Notes: I - 30...
  • Page 31 SCC Control panel Notes: II- 01...
  • Page 32 SelfCooking Control SelfCooking Control SelfCooking Control Mode - Level 1 Mode - Level 2 Mode - Level 3 Overnight Universal Roasting Big roasts Short roasts Roasting with crackling Roasting Soft Soft Poultry Fish High Roasting Cooking Overnight Overnight Well Baking Supplements Roasting Cooking...
  • Page 33 Combi Steamer Mode Functions Settings CleanJet HACCP 200°C Start time Continuous Settings - Setting of: Time, Date, - Setting Humidity - Setting time format Time format, °C/°F etc. - Setting - Delta-T Cooking - Setting time lapse Cabinet temperature - Setting Time - ½...
  • Page 34 SCC electric from 04-2004 Thermocouple interior cabinet Thermocouple quenching Thermocouple humidity Thermocouple steam generator B6-11 Thermocouples core temperature Safety thermostat steam generator 160°C (320°F) Safety thermostat interior cabinet 360°C (680°F) Solenoid valve filling Solenoid valve quenching Solenoid valve moistening Fan motor bottom (table units without jumper) Fan motor top with jumper (floor units only)
  • Page 35 SCC Operator pcb 200 - 240V input to I/0 Switch Buzzer Level electrode Humidity motor / Micro switch Add on X1 P1 pressure sensor Add on X2 B6-11 thermocouples core temperature Add on X3 B1 thermocouple interior cabinet Add on X4 B2 thermocouple quenching Add on X5 B4 thermocouple humidity Add on X6 B5 thermocouple steam generator Add on X50 External EEPROM...
  • Page 36 Measuring points I/O PCB SCC Wires of pcb edge connectors are pointing to component side of pcb! Motor drain valve 12V DC SSR Micro switch drain valve SSR pulsing (US only) Ultravent 230V Input Door contact 11,5-12V Transformer Sicotronic Halogen light Y1 Filling Y2 Quenching CDS Sensor...
  • Page 37 SCC Electric: Sequence of Events Mode: Low temperature steam; (30-97°C (85-207°F), set temperature) Function step Responsible sensor Signal Remark Select Steam (Temp 30-97°C (85-207°F)) Note: Steam heating only active when humidity flap (S4) is in closed position! Select time or core temperature Door open: 12VDC X27:(1-2) Close cabinet door...
  • Page 38 SCC Electric: Sequence of Events Mode: Steam(98-103°C (208-218°F), set temperature) Function step Responsible sensor Signal Remark Select Steam Note: (Temp 98-103°C (208-218°F)) Steam heating only active when humidity flap (S4) is in closed position! Select time or core temperature Door open: 12VDC X27:(1-2) Close cabinet door Reed switch S3...
  • Page 39 SCC Electric: Sequence of Events Mode: Forced Steam(104-130°C (219-266°F), set temperature) Function step Responsible sensor Signal Remark Select Steam Note: (Temp 104-130°C (219-266°F)) Steam heating only active when humidity flap (S4) is in closed position! Select time or core temperature Door open: 12VDC X27:(1-2) Close cabinet door...
  • Page 40 SCC Electric: Sequence of Events Mode: Combi Steam (141-300°C (286-572°F), set temp.) Function step Responsible sensor Signal Remark Select Combi Steam Note: (141-300°C,(286-572°F)) Combi Steam 30-96°C (86-205°F) is controlled as Low Temperature Steam! Select time or core temperature Steam heating only active when humidity flap (S4) is in closed position! Door open: 12VDC X27:(1-2) Close cabinet door...
  • Page 41 SCC Electric: Sequence of Events Mode: Finishing (98°-140°C (208-284°F), set Temp.) Function step Responsible sensor Signal Remark Select Combi Steam (Temp. 98-140°C) Note: Steam heating only active when humidity flap (S4) is in closed position! Select time or core temperature Door open: 12VDC X27:(1-2) Close cabinet door...
  • Page 42 SCC Electric: Sequence of Events Mode: Hot Air (30°-300°C (86-572°F), set Temp.) Function step Responsible sensor Signal Remark Select Hot Air (Temp. 30-300°C (86- 572°F)) Select time or core temperature Door open: 12VDC X27:(1-2) Close cabinet door Reed switch S3 Door closed: 0VDC X27:(1-2) Timer starts counting down...
  • Page 43 Service level SCC Switch on unit Set DIP 1 on operator PCB to "ON" position Press service key Displays 1-4 show the following available Service - modules: Diagnostic Window 1 Running Times Window 2 Basic Settings Window 3 Function Test Window 4 Activate selected service module by push on display or push on central dial...
  • Page 44 SCC Diagnostic Mode overview DIAGNOSTIC Diagnostic 1 - Cabinet Running Times 2 - Quenching Basic Settings 3 - Not used Function Test 4 - Humidity 5 - B5 DIAGNOSTIC Steam Generator 6-11 - Core Temp Cabinet B6-11 12 - Temperature 130°C 345°C RESET...
  • Page 45 SCC - Diagnostic program 1 - DIAGNOSTIC 2 - DIAGNOSTIC 3 - DIAGNOSTIC Cabinet Quenching Not used 130°C 345°C 70°C 95°C 655°C 655°C RESET RESET RESET - Temp. range: -30 - 340°C (-22 - 644°F) - Temp. range: -30 - 340°C (-22 - 644°F) - 655°C broken.
  • Page 46 SCC - Diagnostic program 15 - DIAGNOSTIC 16 - DIAGNOSTIC 17 - DIAGNOSTIC Clima Clima Status Clima Motor P1 - B4 - RPM Default out: Cal. Speed1 Error 0 - 1 0.48V 2.24V xxx rpm Combi 1 - 0 145°C 1860 xxxxx xxxxx...
  • Page 47 Running Times SCC Running Times Running Times Running Times S3 Door Openings S12 Ball Valve Openings Y1 Valve Filling 120 min RESET RESET RESET Reset possible Reset possible Only minutes are shown Reset possible Running Times Running Times Running Times Y2 Valve Quenching Y3 Valve Moistening M4 SC Pump...
  • Page 48 Running Times SCC Running Times Running Times Running Times Hot Air Heating Time Steam Mode Hot Air Mode 4hrs 4hrs 4hrs RESET Only hours are shown Only hours are shown Only hours are shown Reset possible Reset NOT possible Reset NOT possible Running Times Running Times Running Times...
  • Page 49 Running Times SCC Running Times Emergency Conroller RESET Number of occurrence Reset possible II- 19...
  • Page 50 SCC Basic Settings overview Basic Settings Diagnostic Calibration Running Times Gas type Basic Settings CO2 screw setting Function Test Installation altitude Gas blower speed Steam Basic settings Gas blower speed Gas type Hot Air top Gas blower speed 3B/P(G30) - 3P(G31) - Nat.H(G20) Hot Air bottom - Nat.L(G25) - A12/13...
  • Page 51 SCC Basic Settings 1 - Basic Settings 2 - Basic Settings 3 - Basic Settings Start Calibration Gas type Nat H (G20) Step 3B/P(G30) - 3P(G31) - A12/13 - Steam Hot Air 1 Hot Air 2 Nat.H(G20) 4,3 mm 2,8 mm 2,9 mm 99°C 95°C...
  • Page 52 SCC Basic Settings 10 - Basic Settings 11 - Basic Settings 12 - Basic Settings SC Automatic SC Pump Show mode Continuous SC-pump duration ON - 45sec (20-90sec) (puls) Steam heating time 60 min (20-120 min) - Activation by touch on dial icon - Activation by touch on dial icon - Activation by touch on dial icon - Adjust with dial...
  • Page 53 SCC Basic Settings 19 - Basic Settings 20 - Basic Settings 21 - Basic Settings Gateway address <USB> IP address <USB> Server IP address EDIT EDIT EDIT ???.???.???.??? ???.???.???.??? ???.???.???.??? - Press "Edit" - Press "Edit" - Press "Edit" - Change number and confirm by pressing central - Change number and confirm by pressing central - Change number and confirm by pressing central dial...
  • Page 54 Function Test SCC overview Function Test Diagnostic 1 - Steam 50% Running Times Gas - not used 2 - Steam100%, Basic Settings Gas Steam Burner 3 - Hot Air 50% Function Test Gas - Top Burner 4 - Hot Air 100% Gas - Bottom Burner 5 - Fan Motor Top Function Test...
  • Page 55 Function Test SCC 1 - Function Test 2 - Function Test 3 - Function Test Steam 50% Steam 100% Hot Air 50% Start Start Start Gas - not used Gas - Steam Burner Gas - Top Burner 0 - 1 0 - 1 0 - 1 Temperature B5...
  • Page 56 Function Test SCC 13 - Function Test 14 - Function Test 15 - Function Test Drain Valve Motor Start Gas Steam Blower Start Gas Hot Air Blower Top Start Min...Start... Min...Start... Direction xxxx xxxx End switch S12 5,25(µA) 5,25(µA) see list! see list! Gas blower steam: Gas blower hot air top:...
  • Page 57 Service messages SCC Service 10 Service 11 Service 12 (SC Pump) (Level electrode - check valve) (CDS sensor) Maintenance needed Maintenance needed Maintenance needed NOTE: NOTE: NOTE: - Appears for 2 min after switch ON - Appears for 2 min after switch ON - Appears for 2 min after switch ON - Display can be cancelled by touch - Display can be cancelled by touch...
  • Page 58 Service messages SCC Service 26 Service 27 Service 28 (drain closed) (CleanJet micro switch) (Steam generator above 180°C) No function CleanJet Error Maintenance needed NOTE: NOTE: NOTE: - Appears on time when CleanJet is selected - Appears for 2 min after switch ON - Appears after Thermocouple steam generator - Cooking not possible - drain closed - Display can be cancelled by touch...
  • Page 59 Calibration of SCC units Quench. sensor Basic condition Cabinet sensor B1 Humidity sensor B4 B2 below 45°C Temperatures: below 40°C (104°F) below 40°C (104°F) (113°F) Basic condition Heating: OFF Fan motor: OFF Humidity flap: Hardware: Closed Side panel must be fitted; Unit must be clean, but may be wet In order to achieve the best possible calibration values, insert 2 GN-container 20 or 40 mm deep with the opening facing downwards in 61 and 62 units into rail 2 and 5...
  • Page 60 Controlling with all 4 fan speeds: Value out of Step 60 • Steam Heating: ON 50% allowable range; (min: 4x20sec; • Max time of Motor: ON max: 4x180sec) • 4x180sec exceeded Humidity flap: Closed Check: In diagnostic mode: P1, B4, rpm Measuring at all 4 fan speeds: Calibration value: Steam Calibration value...
  • Page 61 Drain Valve Control Direction 1 Direction 2 Notes:...
  • Page 62 SCC Gas from 04-2004 Ignition box top (without jumper) Ignition box bottom (with jumper) Floor unit only Thermocouple interior cabinet Thermocouple quenching Thermocouple humidity Thermocouple steam generator B6-11 Thermocouple core temperature Safety thermostat steam generator 135°C Saftety thermostat interior cabinet 360°C Solenoid valve filling Solenoid valve quenching Solenoid valve moistening...
  • Page 63 Basic info about SCC Gas from 04-2004 Identification of the different gas burners / Gas blowers: SCC 201 - 202 SCC 61 - 62 - 101 - 102 Steam Blower (ignition box fitted) Hot Air Blower Top (NO ignition box fitted) Hot Air Blower Bottom (201-202) ignition box fitted)
  • Page 64 Gas adjustments: SCC gas from 04-2004 Whenever working on any gas component like: Gas valve, gas blower and / or changing connected type of gas, a detailed flue gas analysis MUST be done using adequate CO and CO measuring equipment! This shall ONLY be done by trained technicians! Always check appliance for possible gas leakages! Gas conversion;...
  • Page 65 Gas adjustments: SCC gas from 04-2004 Before you carry out a flue gas analysis check input gas flow pressure when burner is running • Switch on unit. Select any mode and cooking time. Wait till burner works • Check input gas flow pressure •...
  • Page 66 Gas adjustments: SCC gas from 04-2004 Press key and select "Min" speed. Activate with the "Start" key the burner. Frame will light alternately (blue/red). Note: Start key is used as a switch and will automatically deactivate after 4 minutes Carry out a CO measurement to cross-check CO value only.
  • Page 67 Values for burner adjustments of gas units SCC / CM from 04/2004 (04-10-04) Steam Burner Hot Air Burner - Top Side Hot Air Burner - Bottom Side (only at 201-202) Type of gas Adjustment of Adjustment of Adjustment of Input gas flow Input gas flow Input gas flow at "MAX"...
  • Page 68 Notes: II- 38...
  • Page 69 USB stick please delete all files from your USB stick beside update.exe and webupdate.jpg Software update can be done by laptop computer using CombiCheck and via Host-Host USB cable or specially RATIONAL configured USB Flash memory stick. (NOTE: Most standard USB Flash stick are not suitable for SCC Flash update!) RATIONAL configured USB Flash memory stick can be ordered under part number 87.00.010...
  • Page 70 How to update CM units via PC To update a CM unit of new generation you have to use a software called „Megaload“. To install the Software on your PC, you just have to excecute the “Setup.exe” and follow the installation instructions on your screen. After Megaload installation please proceed as follows: Safe CM Software i.e.
  • Page 71 For downloading unit software from PC to CM flash box the program "Megaload" must be installed on the PC. This program is available on the Rational Service internet page under: "Technical documentation/Software update SCC-Line/CM". For installation on the PC proceed as follows: 1.
  • Page 72 Copying unit software from PC to CM flash box - Open lid of the flash box - Set DIP - switch 2 to "ON". (other switches remain in the off position) DIP switch Connect RS 232 adapter cable (item 2) to stick and to the selected interface (e.
  • Page 73 LED Code SCC pcb LED SCC pcb LED I/O pcb • OK Green LED - on Green LED - on Red LED blinks 1x when Yellow LED blinks after • OK switching on switching on, but is off during operation •...
  • Page 74 Blink code fan motor SCC and CM from 04/2004 Reason Remedy Motor doesn’t start, no changing Check for motor blockage or signal from hallsensor change motor. Check supply voltage or Voltage too low on motor pcb change motor. Check supply voltage or Voltage too high on motor pcb change motor.
  • Page 75 The pump 60.70.409 (230V) or 60.70.497 (120V) must only be used to fill chemical part number: 6006.0110 into steam generators of equipment being produced after April-2004 and bearing either of the following marks on the data plate: When working with chemicals, i.e. aggressive cleaning WARNING: materials, always wear protective clothing, goggles, face mask and gloves!
  • Page 76 Lean the cabinet door close and fill the above mentioned quantity of descaler at 10 sec intervals into the steam generator NOTE: Descaling liquid can react very violently with the scale inside the steam generator! Should any foam appear at the steam inlet port stop filling and wash the interior cabinet with fresh water.
  • Page 77 If the measured values are NOT complying with the values in the installation manual please inform the customer and your Rational dealer / office. We confirm the installation was done according to the attached installation checklist, the installation manual and all national and local codes which ever may apply.
  • Page 78 ERIMETER LEARANCES All units Measured space Left side 50 mm (2”) Left side 201/202 500 mm (20”) Left side recommended for service 500 mm (20”) or with adjacent heat source Rear side 50 mm (2”) Right side 50 mm (2”) Drain connection Steam temperature resistant pipe (I.e.
  • Page 79 Electrical connection – Observe Local and National Codes! L1 – L2 Volt L1 – L3 Volt L2 – L3 Volt Connected voltage L1 - N Volt L2 - N Volt L3 - N Volt L1 - Ground Volt Ground connection to mains distribution panel? IMPORTANT!! Does indicated voltage on the unit data correspond with the measured voltage?
  • Page 80 Steam 1 (61-202) Hot Air 2 (201-202) All gas connections leak tested? Exhaust hood Exhaust hood installed Serial number Rational UltraVent Hood? Serial number Rational Vent hood Operational check All electrical connections and plugs tight All water connections tight and not leaking...
  • Page 81 Inspections List Customer: Adress Street: City: Area (Zip) Code: Unit Serial Number: Preventative Maintenance Work Scope: According Installation manual? 1.Installation Placement Water Connection Manufacturer: Water Treatment Type: Sedimentfilter Drain Gas Connection Electrical Connection 2.Door Function o.k. Faulty Comments: Door Lock Door Catch Door Hinges / Screws Hinges Inner Glass...
  • Page 82 Inspections List 4. Bottom Group Function o.k. Faulty Comments: Water Connections leak tight Hand Shower+Shower hose (Function - non leaking) Retracting mechanism Drain gasket Floor model Drain Connection Quenching / Drain box Drain valve SCC 5. Gas Specific parts Function o.k. Faulty Comments: Burner...
  • Page 83 Inspections List 8. Control Panel Function o.k. Faulty Comments: Control Panel Gasket Control Panel Dials Indicator lights Mode Switch Temperatur Control Timer Core probe dial LED-Indicators PCB Visual Check 9. Function Test Function o.k. Faulty Comments: Diagnostic Program Function test Humidity control / Flap motor Drain, Drain valve SCC Special / Additional Functions(...
  • Page 84 Notes: III- 16...
  • Page 85 Because of continuous examinations of systems for water treatment we would like to offer you a few information’s about some different systems, which we have made. The given statements are do only relate to Rational units. If you already have made experiences with systems for water treatment, we would be very thankful if you could send us a short fax about your experiences.