Wyott SPT-50N User Manual

Models:

REV 3/10

SPT31, SPT50, SPT50N, SPT75

THERMO DRAWER

INTENDED FOR OTHER THAN HOUSEHOLD USE

P/N 88939-75
REV 2/10

Description Page

Safety Precautions ------------------------------------2
General Installation Instruction ----------------------- 4
Installation -------------------------------------------- 4
Cleaning -----------------------------------------------4
Service ------------------------------------------------5
Specification-------------------------------------------6
General Description ----------------------------------- 7
SPT Operation ----------------------------------------- 7, 8, 9 & 10
Service Mode------------------------------------------ 10
Exploded View ---------------------------------------- 11
Parts List --------------------------------------------- 12
Wiring Diagram --------------------------------------- 13

LOCATION OF DATA PLATE

The data plate for the SPT is located on the side of the unit.

4. Always use steam table pans/insert, etc.

5. Never hold food below 140º F.

6. Power switch symbols correspond to On / Off as follows: I = On , O = Off

2. Always clean equipment thoroughly before first use. Clean unit daily, use warm soapy water. Mild
cleaners and plastic scouring pads may be used to remove baked on food and water scale on
metal unit.

3. Unplug electrical unit before cleaning or servicing. All service should be performed by an APW
Wyott authorized service agency.

4

DAILY CLEANING INSTRUCTIONS:

1. Allow the unit to cool off.

2. Remove pan and wash it in hot, soapy water, then rinse.

3. If stains are still present, add a little detergent to wash cloth and repeat.

4. Dry with a lint free towel or paper towel.

5

ELECTRICAL

SPT31 120 Volt 60 Hz 1 Phase 12.0 Amps

SPT50 120 Volt 60 Hz 1 Phase 12.0 Amps

SPT50N 120Volt 60 Hz 1 Phase 12.0 Amps

SPT75 120 Volt 60 Hz 1 Phase 15.0 Amps

DIMENSIONS

SPT31 23-3/4" (603.2mm) X 26-11/16" (677.8MM) X 4-11/16" (119.0mm)

SPT50 34-3/4" (882.6mm) X 26-11/16" (677.80mm) X 4-11/16" (119.0mm)

SPT50N 31" (787.4mm) X 28-3/8" (720.78mm) X 4-11/16" (119.0mm)

SPT75 34-3/4" (882.6mm) X 29-9/16" (750.8mm) X 4-11/16" (119.0mm)

6

SPT (SAFE PRODUCT TRANSPORT)

SPT operates as a Heat & Hold oven. The product is loaded in the unit by the
operator and heated per the instruction below, insuring the food product has
reached the appropriate temperature to meet the depht of health guidelines.
The operator then places it on the roller grill above. This methodology prevents
cold food product that was just placed on the grill from being selected by the
customer.

7

SPT RESTART INSTRUCTIONS

At the end of hold cycle with the HOLD light and the display flashing.

1. Press Preheat button 2 times - If unit is already at preheat temperature,
rdy indication will appear in the display. Press Heat to resume normal
cook cycle.

2. If rdy is not displayed, wait for unit to reach preheat temperature and
rdy indication in the display, then press Heat to resume normal cook
cycle.

In the middle of a Heat or Hold Cycle press that button and hold it for
approximately 5 seconds. the display will read OFF.

1. Press Preheat button - If unit is already at preheat temperature,
rdy indication will appear in the display. Press Heat to resume normal
cook cycle.

2. If rdt is not displayed, wait for unit to reach preheat temperature
and rdy indication in the display, then press Heat to resume normal
cook cycle.

HOLD TIME BYPASS

For unlimited HOLD TIME, increase the hold time to the maximum setting.
The next increment beyond this is infinite.

8

TEMPERATURE TOGGLE vF AND vC
Press and hold the 'TEMP key fo 10s. The control beeps, and then
displays 'Deg F' or 'Deg C' as appropriate. Repeat to toggle back.

TEMPERATURE INCREMENT vF AND vC
The display and adjustment up or down using the arrow keys will
increment temperature up or down as follows:

9

TABLE 8 - Default Time & Temp

10

SPT75 EXPLODED VIEW

11

PARTS LIST

SPT31 SPT-50 SPT50N SPT75

ITEM DESCRIPTION P/N QTY P/N QTY P/N QTY P/N QTY

1 BASE, OUTER 30063106 1 30065006 1 98438006 1 30067506 1
2 INNER LINER 30063110 1 30065010 1 98438010 1 30067510 1
3 SKIN 30063107 1 30065007 1 98438007 1 30067507 1
4 DRAWER SLIDE 30063130 1 30065030 1 30065030 1 30067530 1
5 PAN 24219 1 24218 1 24218 1 24217 1
6 DOOR 30063140 1 30065040 1 98438040 1 30067540 1

9 PANEL, DIVIDER SIDE 30063146 1 30065046 1 30065046 1 30067546 1
10 PANEL, DIVIDER REAR - - 30065047 1 30065047 1 30067547 1
11 DECAL 30067525 1 30067525 1 30067525 1 30067525 1
12 KIT, INSULATION SIDE & REAR 30063112 1 30065012 1 98438012 1 30067512 1
13 POWER IND LIGHT 1512503 1 1512503 1 1512503 1 1512503 1
14 POWER SWITCH 1305612 1 1305612 1 1305612 1 1305612 1
15 SPACER, NYLON 783184 8 783184 8 783184 8 783184 8
16 CONTROL BOARD 30067520 1 30067520 1 30067520 1 30067520 1
19 STRAIN RELIEF 8967400 1 8967400 1 8967400 1 8967501 1
26 DOOR HANDLE 30063129 1 30067529 1 98438029 1 30067529 1
27 SLIDE BEARING 30067528 2 30067528 2 30067528 2 30067528 2
28 KIT, INSULATION TOP & BOTTOM 30063113 1 30065013 1 30065013 1 30067513 1
29 TERMINAL BLOCK 1107200 1 1107200 1 1107200 1 1107200 1
30 TRIAC 21792248 1 21792248 1 21792248 1 21792248 1
31 CLAMP 8945600 1 8945600 1 8945600 1 8945600 1
32 RTD PROBE 1400120 1 1400120 1 1400120 1 1400120 1
33 INNER LINER BACK 30063104 1 30065004 1 30065004 1 30067504 1
36 CORDSET 1542002 1 1542002 1 1542002 1 1536500 1
37 HI LIMIT THERMOSTAT 1481600 1 1481600 1 1481600 1 1481600 1
38 PLATE, HEAT DISTRIBUTION 30063163 1 30065063 1 30065063 1 30067563 1

* BEARING 8642000 4 8642000 4 8642000 4 8642000 4
* WIRE RACK 30063124 1 30065024 1 30067524 1 30067524 1
* KIT, INSULATION SIDES - - - - 98438011 1 - ­* HEATING ELEMENTS 1432730 1 1432750 1 1432750 1 1432775 1

12

WIRING DIAGRAM

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