SERVICE MANUAL / PARTS LIST
Contents
1. Step 3 Remove the 5 drip rails Screws Par 11 SM XS Step 4 Remove the bottom and back panel as seen above Step 5 Remove insulation Part 1162 shown above 12 SM XS Step 6 Remove sheet insulation Step 7 Remove the U Brackets and note tall bracket is in the rear and the short bracket in the front 13 SM XS Step 8 Remove the 6 u channels Part NT1014 as seen above Step 9 Remove Insulation NT1120 from bottom of unit 14 SM XS Step 10 Remove bottom Galvanized Heater Plate Part 1001 Step 11 Remove the Element and the First Heater Plate 15 SM XS SM XS Installing the Extreme Steam Heating Element 16 Step 1 The heater plate NT 1003 need to be coated on both sides with Anti Sieze Using a roller brush Step 2 Turn the unit upside down and install the first Heater Plate Part NT1003 17 SM XS Step 3 Slightly bend the element to improve the fit making sure the edge of the turns are not Hanging over the heater plate and the element isn t touching the studs at any stud locations Step 4 Install the galvanized bottom heater plate Part NT1001 18 SM XS Step 6 SM XS Zip tie as seen above 19 Left and Right Drip Rails Step 7 Install the left drip rail Parts NT1051 and the right drip rail Part NT1052 Set in place but do not attach Step 8 Place the insulation Part NT12. ME Q SERVICE MANUAL PARTS LIST ALL ELECTRIC MODELS and VOLTAGES amp p unified brands COMPANY 1055 Mendell Davis Drive Jackson MS 39272 888 994 7636 601 372 3903 Fax 888 864 7636 unifiedbrands net PART NUMBER 158632 REV B 11 11 SM XS TABLE OF CONTENTS CONTROL SIDE COMPONENTS iiec tae tata khe rata ptt ra 3 ELEMENTS AND PLUMBING 4 TROUBLESHOOTING QUIDE eee 5 6 WIRING DIAGRAM emen nnne 7 REPLACEMENT PARTS 8 ELEMENT FIELD REPLACEMENT INSTRUCTIONS 9 26 THERMOMETER 27 29 ELEMENT AMP READING eem 30 NT 1092 NT1064 ENC I D ES MET 171008 NT1075 NT 1085 NT 1076 NT 1078 NT1077 NT1086 lt NT1087 NT1088 EAT cu NT1089 L RT RM NM lt gt NT 1072 NT1073 NT1785 lt 1119 FIGURE 1 5 208 12 3 3 Phase Unit Shown INTEK P N Description NT1064 Buzzer Continuous Low Water End of Cycle NT1067 DP Contactor Main Power NT1785 Relay 220V Control NT1072 Fan Convection Includes Blade Assy NT1073 Fuse 5 Amp NT1075 Thermostat Hold 100 212 Degrees NT1076 Lamp Red NT1077 Lamp Blue T RE a NT1078 Lamp Amber ELECTR
3. SM XS REPLACEMENT PARTS LIST Part No NT1009 NT1011 NT1012 NT1013 NT1045 NT1046 NT1269 NT1270 NT1797 NT1798 NT1063 NT1067 NT1070 NT1072 NT1073 NT1075 NT1076 NT1077 NT1078 NT1079 NT1080 NT1083 NT1085 NT1086 NT1087 NT1088 NT1089 NT1090 NT1091 NT1092 NT1093 NT1098 NT1100 NT1155 NT1018 NT1115 NT1119 NT1144 NT1175 NT1176 NT1178 NT1335 NT1127 NT1064 NT1022 NT1023 NT1151 NT1021 NT1137 NT1028 NT1502 NT1116 NT1132 NT1001 NT1003 NT1120 NT1135 NT1537 NT1096 NT1037 NT1027 NT1035 NT1117 NT1104 NT1217 NT1158 NT1202 NT1122 Description Heater 208V 12kW Heater 240V 12kW Heater 208V 6 24kW Heater 240V 6 24kW Heater 208V 8 5kW Heater 240V 8 5kW Heater 208V 14 4kW Heater 240V 14 4kW Heater 208V 14 4kW new ver Heater 240V 14 4kW new ver Buzzer Continuous Low Water End of Cycle DP Contactor Main Power Relay 220V Control Fan Convection Includes Blade Assy Fuse 5 Amp Thermostat Hold 100 212 Degrees Lamp Red Lamp Blue Lamp Amber Thermostat Bi Metal 325 F Thermostat Bi Metal 410 Plug Angle 250V 3PH Timer 60 Minute Operator Switch PB On Operator Switch PB Off Mounting Latch On Off Switches Contact NC Off Switch Contact NO On Switch Switch Pressure 1 8 NPT Solid State Relay 75A AC Input Terminal block 3 pos Thermometer Analog 100 220 Degrees Switch Reed Door Switch Aux Contact DP Contactor Door Sea
4. 120 as seen on the bottom of the unit 20 SM XS Step 9 Insert 6 u channels Part NT1014 as seen above Step 10 Add insulation and install 4 Part NT1016 as seen 21 SM XS Step 11 Install the short and tall U Brackets towards the front of the unit Step 12 Use LocTite on all the studs prior to tighten the nuts Part NT 1101 Nuts should be tighten with a torque wrench to 80 in Ibs 22 SM XS Step 13 Add Part NT1120 insulation sheet over the previously tightened brackets Step 14 Place the back insulation Part NT1162 23 SM XS Step 15 Place the bottom back on the unit as shown above Step 16 Install the two pan holders Part NT1027 and install the legs through the pan holders after applying Loctite Leave the feet slightly tighten for future adjustment 24 SM XS Step 17 Secure the drip rails using 5 screws Part NT1104 Step 18 Install the drain valve cover Part NT1048 using two screws Parti NT1105 25 SM XS Step 19 Step 20 Complete assembly by tightening the feet using a Cresent Wrench Return unit to its normal upright position and wire elements per wiring diagram 26 SM XS REPLACING NT1098 THERMOMETER ON INTEK XTREME STEAM Xtreme Steam Figure 1 Step 1 Safely remove all power connections Step 2 Remove left side panel and remove existing thermometer from front panel 27 SM XS Figure 2 Step 3 Cut the ins
5. ASE UNITS THIS LEG REMOVED ON SINGLE PHASE UNITS WHITE 1 uses FRN R5 LT BLUE BROWN AWR H 1 pore qe mui L2 1 1 1 OR 1 1 Hhr 1 OPTIONAL H L 4 AUTO FILL 1 a n CONTROL 99 t 9 PROBE CIRCUITRY _ GND G gt O NC LOW 4 i PROBE AUTO FILL Z I LEVEL 7 I NO RA 1 CR2 THREE PHASE UNITS ONLY SSR1 MASTER CONTACTOR CONTROL RELAY 1 ADD WATER RELAY ADD WATER LAMP ADD WATER BUZZER CONNECT TO F2 FOR AUTO FILL OPTION IMPORTANT STD UNIT SHOWN CONNECTED ILL FOR UNIT WITH AUTO FILL OPTION THE ADD WATER INDICATING CIRCUITRY 10 13 IS REMOVED COOK MODE LAMP CONTROL RELAY 2 CONVECTION FAN MOTOR CYCLE END BUZZER HEAT LAMP 15KQ 5W 250WV HEATER RELAY 1 15KQ 5W 250WV HOLD MODE LAMP WARNING REFER SERVICING TO QUALIFIED PERSONNEL ONLY DISCONNECT AC INCOMING POWER BEFORE SERVICING TO TB1 HEATING ELEMENT CONFIGURATION SELECT MODEL BELOW 1L1 1L2 1L3 MODELS 5208 8 3 XS240 8 3 XS208 12 3 XS240 12 3 XS480 12 3 S N 5500 XS208 14 3 XS240 14 3 1L1 1L2 1L3 MODELS 1L1 1L2 1L3 SN 5500 XS208 14 3 XS240 14 3 1L1 1L2 1L3 MODELS XS208 6 1 XS240 6 1 1L1 1L2 1L3 MODELS XS208 8 1 XS240 8 1 TUF E WIRING DIAGRAM WD 2 7 SM XS
6. ICAL SHOCK NT1085 Timer 60 Minute DISCONNECT AC NT 1086 Operator Switch PB On INCOMING POWER NT1087 Operator Switch PB Off BEFORE SERVICING NT1088 Mounting Latch On Off Switches NO USER SERVICEABLE NT1089 Contact NC Off Switch PARTS INSIDE NT1090 Contact NO On Switch mr DEED TO NT1092 Solid State Relay 75A AC Input NT1098 Thermometer Analog 100 220 Degrees baa r NT 1155 Aux Contact DP Contactor NT 1119 Shaft Seal 6mm Teflon REFER TO WIRING DIAGRAM FOR ADDITIONAL INFORMATION SM XS IMPORTANT Apply Loc Tite Removable ThreadLocker AND Torque Clamping Nuts to 5in lbs 5 5ft Ibs FIGURE 2 Heater Is Located Under Bracket Clamp Assembly WARNING TO PREVENT ELECTRICAL SHOCK DISCONNECT AC INCOMING POWER BEFORE SERVICING NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL ONLY INTEK P N Description NT1009 Heater 208V 12kW NT1011 Heater 240V 12kW NT1012 Heater 208V 6 24kW NT1013 Heater 240V 6 24kW NT1045 Heater 208V 8 5kW NT1046 Heater 240V 8 5kW NT1269 Heater 208V 14 4kW NT1270 Heater 240V 14 4kW NT1091 Switch Pressure 1 8 NPT NT1797 Heater 208V 14 4kW new ver NT1798 Heater 240V 14 4kW new ver NT1128 Valve Check 3 4 PARTS NOT SHOWN NT1079 Thermostat Bi metal 325F NT1080 Thermostat Bi metal 410F NT1128 NT1100 Switch Reed Door NT1018 Door Seal FIGURE 3 REFER TO WIRING DIAGRAM FOR ADDITIONAL INFORMATIO
7. N TROUBLESHOOTING GUIDE WARNING TO PREVENT ELECTRICAL SHOCK DISCONNECT AC INCOMING POWER BEFORE SERVICING NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL ONLY SYMPTOM No Lights When ON Is Pressed Unit Turns ON When ON Pushed Turns OFF When Released Add Water Light On Unit Won t Heat Up 1 w Steam Out Exhaust 2 w o Steam Out Exhaust Heat Stays On Light Stays On Heat Stays On Light Cycles POSSIBLE CAUSE Facility Main Breaker Unit Ran Dry No Water In Chamber F1 F2 Fuse Hi Limit OT 1 MC CR 1 or N O Contact ON Pushbutton Auxilary Contact on MC N C Contact OFF Pushbutton Not Enough Water In Chamber Build Up Lime On Chamber Bottom OT 2 OT 3 or AWR PS 1 SSR 1 SSR 2 CR 2 Not Working In Cook Mode Steam Orifice Is Blocked Normal When Door Open PS 1 SSR 1 SSR 2 If Door Is Leaking Steam Adjust First SSR 1 SSR 2 OPERATING SUMMARY When the timer is at the HOLD position heat is controlled by the HOLD Thermostat When the timer is at any other position heat is directly controlled by PS 1 pressure switch Note Both COOK and HOLD Mode heat outputs are directed through PS 1 It is normal for the Heat Indicator Light to cycle ON and OFF The Convection Fan CFM is only on during the cooking cycle REFER TO WIRING DIAGRAM FOR ADDITIONAL INFORMATION SM XS TROUBLESHOOTING GUIDE Heat light is not on Press
8. l Hinge one pair Shaft Seal 6mm Magnetic Door Latch Stand Caster 5 Locking Stand Caster 5 Non locking Knob Nutplate Drain Valve Buzzer Continuous Low Water End of Cycle Shell Top Right Side Shell Left Side Shell Louvered Door Assembly Auto Fill Control Board with Probes Control Panel Overla Check Valve Assembly Heat Sink 3 4 Inch Hose Galvanized Bottom Plate Heater Plate Aluminum Insulation Chamber bottom Lens Thermometer Inner Door Panel Assembly Thermocouple Shelf Bracket Stand Pan Bracket Steamer Bottom Wire from Assembly LH side Steamer Foot flanged Screw 10 24 x 1 2 SS Nutsert Radial Lead Varistor Brass Reducer 1 2 x 1 8 Insulation Door SM XS Extreme Steam Element Field Replacement Instructions Please Read and Follow the Instruction Below Safely remove all power connections drain lines and fill lines if applicable A stacked unit must be removed from its location top or bottom in order to change the element Disconnect the element wires connected to the terminal block Due to the location of the element and the limited space available you must turn the unit upside down Remove the two side panels SM XS Removing the Extreme Steam Heating Element Step 1 Turn the unit upside down and remove the legs using Crescent Wrench as shown above 10 Step 2 Remove the drain cover Part NT1048 and two screws Part NT110
9. ulation in halves and slide the bottom half out to expose the bulb and bracket Figure 4 Step 4 Remove damaged bulb replace the thermometer bulb 1098 and apply heat sync compound to the bulb If bracket is replaced apply heat sync compound to the backside of bracket Compound does not come with the temperature gauge 28 SM XS Step 5 Secure the bracket and bulb using two the 1102 nuts as shown above Step 6 Replace the Insulation install the gauge and the left side panel Reconnect power supply 29 SM XS Watlo Heater Amp Reading During Operation AMPS 1096 OHMS Per Element 208 14 3000 38 9 9 3 208 12 3000 33 10 5 208 8 3000 22 15 208 8 1000 38 5 10 5 208 6 1000 28 9 20 240 14 3000 33 7 12 240 12 3000 28 9 14 240 8 3000 19 2 20 240 8 1000 33 3 14 240 6 1000 25 27 480 12 3000 14 4 56 6 To receive the proper Ohms per element disconnect all heater leads from the three position terminal block and test 1L1 to 1L1 2L2 to 2L2 3L3 to 313 To read the Amps per unit during normal operation connect the Amp meter to the incoming power cord leads connecting to the Main Contactor Amp out each lead SM XS unified orangds A B DOVER COMPANY 1055 Mendell Davis Drive Jackson MS 39272 888 994 7636 601 372 3903 Fax 888 864 7636 unifiedbrands net PART NUMBER 158632 REV B 11 11
10. ure Switch Solid State Relay Unit is not heating up Pressure Switch OK SSR OK Check Heating Element Heat Light is on Before exchange do a continuity test on all legs of heater Heat Light is cycling SSR and or Thermostat Not holding temp in Is timer set to HOLD HOLD mode Heat Light is not cycling Thermostat and or Pressure Switch Clicks when ON is pressed 5 Amp Fuse Blown No Power when turned ON No noise when ON is pressed Contactor ON Switch Control Relay 1 OverTemp 1 Works when ON is held in Auxillary Contact OFF Switch Single Phase Unit Pressure Switch NOTE Steam Orifice is located and or Steam Orifice at the bottom of the Pressure Switch Tee Long time to reacn max temp above tne union or not at all 3 phase Unit Pressure Switch SSR and or Steam Oritice Heat run on condition Door Seal OK SSR and or Pressure Switch If Chamber Bottom is clean ADD WATER Light illuminates Is Chamber Bottom clean Add Water Relay Overtemp 3 with water in unit or Overtemp 2 SM XS a RED 10 11 12 13 CONNECT TO F1 FOR AUTO FILL OPTION 14 15 VIOLET 16 17 18 19 20 21 22 23 24 25 T1 480VAC E P 240VAC XFMR T1 480 UNIT ONLY ON Neng VIOLET B1 BLK OT1 K PB2 USED ON 14 4kW WEE UNITS ONLY CR1 IMPORTANT DO NOT CONNECT POWER TO L3 ON SINGLE PH
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