Vollrath Signature Server Hot Food Base with Touch-Temp Panel Installation Instructions - Manual

Item No. 2930110-1 en Rev 09/11
Installation Instructions
Signature Server Digital Control Service Kit
Installation Instructions
Service Kits #2930101 and #2930102 are now supplied in place of original
equipment circuit boards. This bulletin details the procedure for removing the old
circuit boards and installing the new circuit boards supplied in the Service Kit.
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WARNING
Electrical Shock Hazard.
Keep water and other liquids from entering the
inside of the unit. Liquid inside the unit could cause
an electrical shock. Do not damaged power cord.
Disconnect all power to the Signature Server Hot Well Station before continuing
with this installation.
1. Unplug Hot Well Station power cord from the electrical outlet.
2. Remove the two screws holding the old Control Panel in place. Retain these
screws.
3. Mark all the wires that are connected to the Relay Board terminals (A)These
are located at the top of the circuit board. See Figure 1.
A
Figure 1. Old Relay Board
4. Disconnect wires for each well from the Relay Board. Use pliers and remove
each push-on connector directly away from the circuit board. DO NOT PULL
THE WIRES: (wires may pull out of push-on connectors). Keep well wires
together and identified in pairs for each well.
5. Disconnect the two power supply wires from the two screws in the upper left
corner of the circuit board. Cut off ring terminals and strip approximately 3/8” of
insulation from the ends of the wires.
6. Remove and discard the old Relay Board. The old Relay Board is secured with
(5) plastic standoffs. Gently pinch the end of each standoff with a pliers and lift
the circuit board over the end of the standoff.
7. Remove center standoff from control box. Pull firmly with pliers, or cut it off.
This center standoff is not needed for the new Relay Board.
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1. Install new Relay Board on (4) remaining standoffs. Orient the board as shown
in Figure 2. It will snap onto each standoff. Replacement standoffs are supplied
in case any standoffs were broken or damaged.
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D
E
Figure 2. New Relay Board
2. Install well wires per Figure 2. Terminals for Wells # 1-4 (A) are on the left edge
of the board, Well # 5 (B) at the bottom of the board, and Well #6 (C) at the top
of the board.
3. Install power wires into the terminal block (D) located at the center of the left
edge of the board. Each stripped wire end must go under a pressure plate on
the terminal block. Tighten screws securely.
4. Plug the Ribbon Cable into Relay Board port (E). Either end of the cable may
be used, but the connector is keyed, and will only fit into the socket in one
direction.
5. Connect the Ground Cable (F) in the location where the previous Ground Cable
was attached.