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Unpacking
The Digital Temperature Controller was checked before leaving the factory. Inspect the shipping container
carefully for evidence of improper handling during shipment. In case of damage, make an immediate claim
to the parts distributor from whom the unit was purchased. If the Digital Temperature Controller was shipped to
you, notify the carrier without delay and file a claim.
The installation process consists of:
• Disconnecting the existing wiring and and removing the existing Temperature Controller.
• Mechanically installing the replacement Digital Temperature Controller.
• Making the appropriate electrical connections.
When the installation is completed, check the Digital Temperature Controller for the desired oven operation. Also,
demonstrate the use of the Digital Temperature Controller for the owner (operator) and leave a copy of the Operating
Instructions (PN 36940).
Disconnecting Existing Wires / Mechanical Installation
The following provides mechanical installation instructions for the Digital Temperature Controller.
To remove the Existing Temperature Controller and to install the latest Digital Temperature Controller, proceed as fol-
lows:
Replacing an Analog Temperature Controller with the latest Digital Controller
Step Procedure
1. Disconnect all associated wiring from the terminals located on the rear of the Temperature Controller.
Disconnect and retain any jumper wires. Be sure to tag the ends of controller wires with the number
terminal they connect to. These old numbers will be used later to match them with the new Digital
control terminal numbers as referenced in Table 1.
2. Unscrew the two bracket screws and remove the bracket securing the control to the oven. Slide the
bracket away from the controller. Remove the controller by pulling it out through the front of the panel.
3. Go to “Installing the Digital Controller” on next page.
Replacing any Digital Temperature Controller with the latest Digital Controller
Step Procedure
1. When converting a Digital Temperature Controller, PN 28071-0027, PN 28071-0028, PN 30871, or PN
36021, to the latest digital controller, tag the wires and replace wire for wire since the terminal connec-
tions are exactly the same. If replacing an existing 360EWB temperature controller, PN 32571, be sure
to tag the mA output terminal wires for proper cross reference to the new controller as called out in
step 4 under “Electrical Connections”.
2. Remove the two clip style brackets on the top and bottom of the control. Remove the controller by
pulling it out through the front of the panel. See Figure 1.
WARNING
To avoid electrical shock hazard, shut OFF all
electrical power to the oven at the disconnect
switch or circuit breaker before installing the
Digital Temperature Controller.
2