SERVICE MANUAL / PARTS LIST

ation

PART NUMBER 158632 REV B (11/11)

1055 Mendell Davis Drive • Jackson MS 39272888-994-7636 • 601-372-3903 • Fax 888-864-7636

unifiedbrands.net

ALL ELECTRIC MODELS and VOLTAGES

TABLE OF CONTENTS

2SM-XS

REFER TO WIRING DIAGRAM FOR ADDITIONAL INFORMATION

NTNTNT1785NTNTNTNTNTNTNTNTNTNTNTNTNTNTNTNT

NT

NT

NT

NT

NTNT

NTNTNTNTNT

NTNTNT

NTNT NT

NT NT

3SM-XS

1064

1785

1064

REFER TO WIRING DIAGRAM FOR ADDITIONAL INFORMATION

4SM-XS

NT1009NT1011NT1012NT1013NT1045NT1046NT1269NT1270NT1091NT1797NT1798NT1128

Heater, 208V, 14.4kW (new ver.)Heater, 240V, 14.4kW (new ver.)

NT1079NT1080NT1100NT1018

NT1091

NT1128

SYMPTOM POSSIBLE CAUSE

TO PREVENT ELECTRICAL SHOCK DISCONNECTAC INCOMING POWER BEFORE SERVICING.

NO USER SERVICEABLE PARTS INSIDE.REFER SERVICING TO QUALIFIED

SERVICE PERSONNEL ONLY.

WARNING

No Lights WhenON Is Pressed

Unit Turns ON When"ON" Pushed- TurnsOFF When Released

"Add Water" Light On

Unit Won't Heat Up:1) w/ Steam Out Exhaust2) w/o Steam Out Exhaust

Heat Stays On(Light Stays On)

Heat Stays On(Light Cycles) SSR-1/SSR-2

Normal When Door Open, PS-1, SSR-1/SSR-2(If Door Is Leaking Steam- Adjust First)

Steam Orifice Is BlockedPS-1, SSR-1/SSR-2, CR-2 Not Working In Cook Mode

Not Enough Water In Chamber, Build-Up (Lime) OnChamber Bottom, OT-2/OT-3 or AWR.

Auxilary Contact on MC, N.C. Contact- OFF Pushbutton

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

OPERATING SUMMARYWhen 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 (pressureswitch). 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

5SM-XS

TROUBLESHOOTING GUIDE

6SM-XS

AWR

PL2

BZ1

BZ2

CR2

MC

MC

OT1 OT4

OT2 OT3

AWR

AWR

PB1

PB2MC

CR1CR1

SSR2

SSR1

DS1CFM

MASTERCONTACTOR

CONTROLRELAY 1

ADD WATERRELAY

ADD WATERLAMP

ADD WATERBUZZER

COOK MODELAMP

CONTROLRELAY 2

CONVECTIONFAN MOTOR

CYCLE ENDBUZZER

FUSES(FRN-R5)

ON

OFF

L1 L2 L3

WIRING DIAGRAM WD-2

TB2 TB2

WHITE

RED

BLK

YEL

OR GRAY

BRN

RED LT BLUE

GRAY

RED

GRAY

BLK BLK PINK

YEL

THIS LEG REMOVED ON SINGLE PHASE UNITS

GND

HEATING ELEMENT CONFIGURATIONSELECT MODEL BELOW

CR1

PL1

480VAC

240VAC

BROWN

PL3

SSR2

PL4

CR2 CR2

T.C.“K”

SSR1

PS1

R1

R2

CR2

HEAT LAMP

HOLD MODELAMP

YEL OR

BLK

GR

AY

HEATER RELAY 1

HEATER RELAY 2

THERMOSTAT

OR

YEL

TB1

1L1 1L2 1L3MODELS: XS208-6-1

XS240-6-1

TB1

1L1 1L2 1L3MODELS: XS208-8-1

XS240-8-1

TB1

1L1,1L2,1L3 1L1,1L2,1L3MODELS: > SN 5500

XS208-14-3, XS240-14-3

TB1

1L1 1L2 1L3

MODELS: XS208-8-3, XS240-8-3XS208-12-3, XS240-12-3

XS480-12-3< S/N 5500

XS208-14-3, XS240-14-3

TO TB1

IMPORTANTDO NOT CONNECT POWER

TO L3 ON SINGLE PHASE UNITS

XFMR T1 - (480 UNIT ONLY)

VIO

LET

VIOLET

21

3

4

5

N

TIMER

15K , 5W, 250WV

15K , 5W, 250WV

TM

GND

L1 L2

NC

COM

NO

H

L

G

AUTO-FILLLEVEL

CONTROL

LOWPROBE

HIGHPROBE

F1 F2

SOL1

FB

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

CONNECTTO F1 FORAUTO-FILL

OPTION

CONNECTTO F2 FORAUTO-FILL

OPTION

IMPORTANTSTD. UNIT SHOWN

CONNECTED.FOR UNIT WITH

AUTO-FILL OPTION, THE “ADD WATER”

INDICATING CIRCUITRY (10-13)

IS REMOVED.

USED ON 14.4kWUNITS ONLY

NOT USED ON 14.4kW

+ -1 3 4 5 6 7

YEL

RED

REFER SERVICING TO QUALIFIED PERSONNEL ONLY. DISCONNECT AC

INCOMING POWER BEFORE SERVICING.

WARNING

OPTIONALAUTO-FILLCONTROLCIRCUITRY

THREE PHASEUNITS ONLY

GRAY WHITE

7SM-XS

Heater, 208V, 12kWHeater, 240V, 12kWHeater, 208V, 6.24kWHeater, 240V, 6.24kWHeater, 208V, 8.5kWHeater, 240V, 8.5kWHeater, 208V, 14.4kW

Buzzer, Continuous, Low Water/End of CycleDP Contactor, Main PowerRela

Heater, 240V, 14.4kWHeater, 208V, 14.4kW (new ver.)Heater, 240V, 14.4kW (new ver.)

y, 220V, ControlFan, Convection (Includes Blade Assy.)Fuse, 5 AmpThermostat, Hold 100-212 DegreesLamp, RedLamp, BlueLamp, AmberThermostat, Bi-Metal, 325°FThermostat, Bi-Metal 410°FPlug, Angle 250V 3PHTimer, 60 MinuteOperator, Switch, PB, OnOperator, Switch, PB, OffMounting Latch, On/Off SwitchesContact, NC, Off SwitchContact, NO, On SwitchSwitch, Pressure, 1/8" NPTSolid State Relay, 75A, AC InputTerminal block, 3-pos.Thermometer, Analog 100-220 DegreesSwitch, Reed, Door SwitchAux. Contact, DP ContactorDoor SealHinge, one pairShaft Seal, 6mmMagnetic Door LatchStand Caster, 5” LockingStand Caster, 5” Non-lockingKnobNutplateDrain ValveBuzzer, Continuous, Low Water/End of CycleShell/TopRight Side, ShellLeft Side Shell, LouveredDoor AssemblyAuto Fill Control Board with ProbesControl Panel OverlayCheck Valve AssemblyHeat Sink3/4 Inch HoseGalvanized Bottom PlateHeater Plate, AluminumInsulation, Chamber bottomLens, ThermometerInner Door Panel AssemblyThermocoupleShelf Bracket, StandPan Bracket- Steamer BottomWire from Assembly, LH sideSteamer Foot, flangedScrew, 10-24 x 1/2 SSNutsertRadial Lead VaristorBrass Reducer, 1/2 x 1/8Insulation, Door

$177.58$177.58$173.50$177.58$174.88$177.58$177.58$23.86$40.22$19.42$61.80$12.02$90.48$6.30$8.82$6.66$9.55$9.55

$36.09$55.60$10.87$10.87$6.89

$14.26$14.26$32.73$41.38$9.00

$53.10$13.88$22.72$38.76$37.92$20.77$55.45$16.50$16.39$5.28

$11.14$18.12$14.13$98.72$64.77$81.52

$298.82$256.00$16.89$33.58$19.20$10.20$20.60$46.00$4.95$4.03

$50.80$11.77$24.12$19.04$43.72$12.63

$.45$.55

$2.82$5.10$7.32

Part No. Description Cost

REPLACEMENT PARTS LIST

8SM-XS

NT1009NT1011NT1012NT1013NT1045NT1046NT1269NT1270NT1797NT1798NT1063NT1067NT1070NT1072NT1073NT1075NT1076NT1077NT1078NT1079NT1080NT1083NT1085NT1086NT1087NT1088NT1089NT1090NT1091NT1092NT1093NT1098NT1100NT1155NT1018NT1115NT1119NT1144NT1175NT1176NT1178NT1335NT1127NT1064NT1022NT1023NT1151NT1021NT1137NT1028NT1502NT1116NT1132NT1001NT1003NT1120NT1135NT1537NT1096NT1037NT1027NT1035NT1117NT1104NT1217NT1158NT1202NT1122

9SM-XS

10SM-XS

11SM-XS

12SM-XS

13SM-XS

14SM-XS

15SM-XS

16SM-XS

17SM-XS

18SM-XS

19SM-XS

20SM-XS

21SM-XS

22SM-XS

23SM-XS

24SM-XS

25SM-XS

26SM-XS

27SM-XS

28SM-XS

29SM-XS

30SM-XS

PART NUMBER 158632 REV B (11/11)

1055 Mendell Davis Drive • Jackson MS 39272888-994-7636 • 601-372-3903 • Fax 888-864-7636

unifiedbrands.net