Jackson TEMPSTAR Installation Manual
THERMOSTAT RETROFIT INSTRUCTIONS
With these instructions:
You will remove the two existing thermostats from the dishmachine
and will replace with a single new solid-state thermostat.
TOOLS REQUIRED:
TEMPSTAR
• Adjustable Wrench
• Philips Screwdriver
• Small bucket (approx. 1 gallon)
• 5/16” Nut Driver (high-limit switch)
• Wire Crimper for Insulated Terminals
• Control Screwdriver (for setting dip switches)
1
DISCONNECT ALL POWER TO THE DISHMACHINE BEFORE BEGINNING
THIS PROCESS. LOCK OUT/TAG OUT IN ACCORDANCE WITH
APPROPRIATE PROCEDURES AND CODES.
Lift up the panel and pull out gently to remove the
front dress panel.
• Step Stool
• Wire Stripper
• Needle-nose Pliers
• 3/8” Wrench (covers)
• 7/16” Wrench (probe)
32
Remove both wash and rinse heater covers using
a 3/8” wrench.
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THERMOSTAT RETROFIT INSTRUCTIONS
CONTROL BOX SECTION
Front
TEMPSTAR
4
Using a phillips screwdriver, remove the top panel from the control box.
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Screw Holes
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THERMOSTAT RETROFIT INSTRUCTIONS
5
Get the gray 6-conductor cable from the retrot kit. Cut the orange and blue wires off at the edge of the gray
sheath and discard those orange and blue segments. Notice that one end has all female terminals (this is the
bottom portion) and the other end has one male and the three females (this is the top portion).
The gray cable is to be routed from the top of the unit and trail down to the wash heater area. Pop out a black
blank on the back of the control box and insert a new grommet from the retrot kit. Insert the top portion of the
gray cable (with the male and female terminals) through the grommet on the back of the control box (leave
approx. 12” up in the control box). Run the gray cable down the back of the machine. Make sure to run the
wire under the bracket and bar in the back so it is not hanging loose. Underneath the unit, route the gray
cable between the wash tank and rinse booster. Once entering the wash tank heater housing area, route the
gray cable over the high-limit switch.
TEMPSTAR
In the control box, attach the red wire from the
6-conductor cable to the open tab on the L2 side
of the Wash Motor Contactor (R3).
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76
Locate and remove the two white wires in the
single terminal on the Water Level Controller
(WL) at the #1 position. Cut the terminal off of
the two white wires.
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THERMOSTAT RETROFIT INSTRUCTIONS
8
Trace the two white wires to the back of the control box. On the white wire that enters the wash conduit (from
the front of the box, it is the conduit on the far right), strip and crimp a red female terminal onto the end and
connect it back to the Water Level Controller at the #1 position where it was removed in Step 7.
Rinse Conduit
9
Trace the other white wire that was removed in Step 7 to the rinse conduit (from the front, it is the conduit
to the immediate left of the wash conduit). Strip and crimp a red male terminal onto the white wire and then
connect it to the white wire from the 6-conductor cable.
TEMPSTAR
Wash Conduit
10
Locate the orange/white wire coming out of rinse conduit (same conduit as located in Step 9) and note it
ends with a termination into the Rinse Heater Contactor (R1). Cut the orange/white wire approximately
midway between the rinse conduit and the rinse heater contactor (R1). Strip and crimp a red male terminal
on the end that goes to the rinse conduit and a red female on the end that goes to the rinse heater contactor.
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