Part Number 020005256 5/15 3-1
Section 3
Operation
Component Identification
Sequence of Operation
This section gives the a description of the units, theory of
operation, and service data for the Post Mix Dispensers
POST-MIX DROP-INS
The design of the Servend Drop-In is such that it
provides high accessibility to the ice stored in the chest,
while allowing maximum convenience of beverage
dispensing. The function of a Drop-In is to allow easy
and fast access to ice for filling beverage cups, chilling
and dispensing carbonated and non-carbonated
beverages. The major components of the Cold
Carbonated Servend Drop-In dispensers are the ice
chest with the sealed-in cold plate, internal carbonator,
the beverage valves, valve tower, carbonator pump deck
(power supply) and merchandiser (optional). The major
components of the Ambient Servend Drop-In dispensers
are the ice chest with sealed in cold plate, the beverage
valves, valve tower and the merchandiser (optional). An
ambient cabonator will be needed to supply carbonated
water to the Ambient Drop-In.
The bottom of the ice chest is the cold plate. The cold
plate is a block of aluminum, with serpentine stainless
steel tubes molded inside. The stainless steel tubes
inside the cold plate carry water to the internal
carbonator back through the stainless steel tubes, non-
carbonated water (plain water), and beverage syrup to
the beverage valves. The water and syrup are chilled to
the proper service temperature while flowing through the
stainless steel tubes in the cold plate.
The beverage valve is designed to precisely meter the
flow of both water and syrup to obtain the proper mixing
ratio. These two components of the beverage are mixed
as they leave the valve. The valve tower holds the
valves above the ice chest and provides a conduit for the
beverage tubing and electric wires to pass between the
chest and the valves.
The merchandiser assembly consists of the sign, light
bulb, and merchandiser frame. The tri-view
merchandiser allows viewing the medallion from the
front, back, or top.
Valves
Splash Panel
Drainpan Grid
Lid
Model/Serial
Name Plate
Plumbing Diagram
Soda/Syrup
Inlet Lines
Carbonator
Pump Deck
Cold Plate
Ice Chest
Drain Pan
Key Switch
Tower
Merchandiser
Model/Serial Name Plate
NOTE: This equipment is only intended
to dispense beverages and is not
designed to be operated outdoors in
temperatures below 50° or above 105°.
TO THE USER OF THIS SERVICE MANUAL, THIS
MANUAL IS A GUIDE FOR INSTALLING THIS
EQUIPMENT. REFER TO THE TABLE OF
CONTENTS FOR PAGE LOCATION FOR DETAILED
INFORMATION PERTAINING TO QUESTIONS THAT
ARISE DURING INSTALLATION AND START-UP OF
THIS EQUIPMENT.
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