the Installer to ensure that
the water supply to the
dispensing equipment is
provided with protection
against backflow by an air
gap as defined in
ANSI/ASME A112.1.2-1979;
or an approved vacuum
breaker or other such
method as proved effective
by test.
Water pipe connections
and fixtures directly
connected to a potable
water supply shall be
sized, installed, and
maintained according to
Federal, State, and Local
Codes.
Part No. 301135000
September 26, 1996
Revised: September 18, 2007
Revision D
THIS DOCUMENT CONTAINS IMPORTANT INFORMATION
This Manual must be read and understood before installing or operating this equipment
This is the safety-alert symbol. When you see this
symbol on our machine or in this manual, be alert to
the potentially of personal injury.
Follow recommended precautions and safe operating
practices.
Understand Signal Words
A signal word - DANGER, WARNING, OR CAUTION
is used with the safety-alert symbol. DANGER identi-
fies the most serious hazards.
DANGER
Safety signs with signal word DANGER or WARNING
are typically near specific hazards.
General precautions are listed on CAUTION safety
signs. CAUTION also calls attention to safety messages in this manual.
WARNING
CAUTION
Follow Safety Instructions
Carefully read all safety messages in this manual and on your machine safety signs. Keep safety signs in
good condition. Replace missing or damaged safety signs. Learn how to operate the machine and how to
use the controls properly. Do not let anyone operate the machine without instructions. Keep your machine in
proper working condition. Unauthorized modifications to the machine may impair function and/or safety and
affect the machine life.
CO2 (Carbon Dioxide) Warning
CO2 Displaces Oxygen. Strict Attention must be observed in the prevention of CO2 (carbon dioxide)
gas leaks in the entire CO2 and soft drink system. If a CO2 gas leak is suspected, particularly in a
small area, immediately ventilate the contaminated area before attempting to repair the leak. Personnel exposed to high concentration of CO2 gas will experience tremors which are followed rapidly by
loss of consciousness and suffocation.
Shipping, Storing, Or Relocating Unit
CAUTION: Before shipping, storing, or relocating this Unit, the syrup systems must be sanitized and
all sanitizing solution must be purged from the syrup systems. All water must also be purged from
the plain and carbonated water systems. A freezing ambient temperature will cause residual water
remaining inside the Unit to freeze resulting in damage to internal components of the Unit.
1301135000
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3011350002
GENERAL INFORMATION
This manual is a guide for installing, operating, and maintaining this equipment. Refer to Table of
Contents for page location of detailed information pertaining to questions that arise during installation,
operation, service and maintenance, or troubleshooting this equipment.
GENERAL DESCRIPTION
This section gives the Unit description, theory of operation, and design data for the Six and Eight-Flavor
Vanguard 245 Post-Mix Overcounter Dispensers with electric dispensing valves (hereafter referred to as a
Units).
This Unit must be installed and serviced by a qualified Service Person. This Unit contains no User serviceable
parts.
UNIT DESCRIPTION
The Units are compact and may be installed on a countertop as a self-serv Unit or the Units may be installed in
a drive through or may be center-island installed. The Units are equipped with drop-in type refrigeration
assemblies that are easily removed for service and maintenance. Adjustable water flow regulators and syrup
flow regulators, located on the dispensing valves, are easily accessible to control the water flow rate of the
dispensing valves and Water-to-Syrup ‘‘Ratio’’ of the dispensed product.
The only requirements for operation are installation of the Unit on a countertop, installation of LOOSE-SHIPPED
PARTS, filling water tank with water, connection to a remote carbonator (Unit requiring connection to a remote
carbonator), connections to plain water and syrup supplies, adjustment of CO2 regulators, plugging Unit power
cord into an electrical outlet, and adjusting the dispensing valves water and syrup flow regulators for proper
water flow rate and Water-to-Syrup ‘‘Ratio’’ of the dispensed product.
WARRANTY REFERENCE INFORMATION
Warranty Registration Date
(to be filled out by customer)
Unit Part Number:
Serial Number:
Install Date:
Local Authorized
Service Center:
FIGURE 1. VANGUARD 245 DISPENSER (EIGHT-FLAVOR UNIT SHOWN)
3011350003
Table 1. Design Data
Unit Part Numbers:
Units Requiring Connection to Remote Carbonator:
Six-Flavor Unit (115 VAC, 60 Hz)417306000XXXXX
Eight-Flavor Unit (115 VAC, 60 Hz)417308000XXXXX
Six-Flavor Unit (208-230 VAC, 60 Hz)477306000XXXXX
Eight-Flavor Unit (208-230 VAC, 60 Hz)477308000XXXXX
Six-Flavor Unit (230 VAC, 50 Hz)497306000XXXXX
Eight-Flavor Unit (230 VAC, 50 Hz)497308000XXXXX
Unit With Integral (Built-In) Carbonator:
Six-Flavor Unit (230 VAC, 60 Hz)477316000XXXXX
Six-Flavor Unit (230 VAC, 50 Hz)497316000XXXXX
Eight-Flavor Unit (230 VAC, 60 Hz)477318000XXXXX
Eight-Flavor Unit (230 VAC, 50 Hz)497318000XXXXX
Unit Not Requiring Connection to Remote Carbonator:
Water Bath Capacity (no ice bank) approximate
Units Requiring Connection to Remote Carbonator21.25 gallons
Units With Integral (Built-In) Carbonator20.5 gallons
Dispensing Rate:
12-oz. drinks 4/min. or fewer1000 (see NOTE)
NOTE: *Number of drinks dispensed 40° F or below @ 75° F syrup and water inlet temperature and
75° F ambient. Dispensing rate does not apply to model number 891222401.
Refrigeration Requirements:
Refrigerant Type and AmountSee Unit Nameplate
Ambient Operating Temperature40° F to 105° F
Electrical Requirements:
*Operating Voltage See Unit Nameplate
Current Draw (approximate @ 105° F)See Unit Nameplate
NOTE: The Unit was set up at the factory to dispense a still (noncarbonated) drink from No. 3
dispensing valve (six-flavor Unit) or No. 4 dispensing valve (eight-flavor Unit) and carbonated drinks
from the remaining dispensing valves. The still (non-carbonated) drink dispensing valves may be
converted to also dispense carbonated drinks. Refer to TABLE OF CONTENTS for converting still
(non-carbonated) drink dispensing valves to dispense carbonated drinks.
cylinder delivers carbon dioxide (CO2) gas through adjustable CO2 regulators to the applicable syrup
A CO
2
tanks or bag-in-box syrup pumps and also the remote carbonator. Plain water enters the remote carbonator
water tank and is carbonated by CO
opened, CO
gas pressure exerted upon the applicable syrup tank contents or bag–in-box syrup pump pushes
2
syrup from the syrup supply, through the Unit cooling coils, and on to the dispensing valve. Carbonated water is
pushed from the remote carbonator by CO
the dispensing valve. Syrup and carbonated water meet simultaneously at the dispensing valve resulting in a
carbonated drink being dispensed. A still (non-carbonated) drink is dispensed from the No. 3 dispensing valve
(six-flavor Unit) or No. 4 dispensing valve (eight-flavor Unit) in the same manner as the carbonated drink except
plain water is substituted for carbonated water.
gas pressure also entering the water tank. When dispensing valve is
2
gas head pressure and is pushed through the Unit cooling coils to
2
UNIT WITH INTEGRAL CARBONATOR
(see Figure 4 and 5)
NOTE: The Unit was set up at the factory to dispense still (noncarbonated drinks) from No. 4 and No. 5
dispensing valves and carbonated drinks from the remaining dispensing valves. If the factory installed
option to convert No.4 or 5 or both No.4 and 5 to dispense a carbonated drink instead of a still
(non-carbonated) drink was installed on your Unit, refer to TABLE OF CONTENTS for the conversion
instructions.
A CO2 cylinder delivers carbon dioxide (CO2) gas through adjustable CO2 regulators to the applicable syrup
tanks or bag-in-box syrup pumps and also the integral (built-in) carbonator. Plain water enters the integral
carbonator carbonated water tank and is carbonated by CO2 gas pressure also entering the water tank. When
dispensing valve is opened, CO2 gas pressure exerted upon the applicable syrup tank contents or bag-in-box
syrup pump pushes syrup from the syrup supply, through the Unit syrup cooling coil, and on to the dispensing
valve. Carbonated water is pushed from the integral carbonator carbonated water tank by CO2 gas head
pressure and is pushed through the carbonated water manifold to the dispensing valve. Syrup and carbonated
water meet simultaneously at the dispensing valve resulting in a carbonated drink being dispensed. A still
(non-carbonated) drink is dispensed from No. 4 and No. 5 dispensing valves in the same manner as the
carbonated drink except plain water is substituted for carbonated water.
3011350005
CO2 WATER 1
SYRUP 1
CO2 WATER 2
SYRUP 2
DUAL CARB WATER
COOLING COILS (5)
SYRUP COOLING
COIL (6)
DISPENSING
VALVE (6)
CARB DRINK
1
CARB DRINK
2
CO2/PLAIN WATER
SYRUP 3
SYRUP 4
CO2 WATER 4-5
SYRUP 5
CO2 WATER 6
PLAIN WATER
COOLING COIL
STILL
3
(NON-CARB)
OR CARB DRINK
CARB DRINK
4
CARB DRINK
5
CARB DRINK
6
SYRUP 6
NOTE: The indicated CARB DRINK dispensing valves may be made to dispense still (non-carb)
drinks by connecting plain water instead of carbonated water to the valves water inlet lines.
FIGURE 2. FLOW DIAGRAM (SIX-FLAVOR UNIT REQUIRING REMOTE CARBONATOR)
3011350006
DUAL CARB WATER
COOLING COILS (4)
DISPENSING
VALVE (8)
CO2 WATER 1
SYRUP 1
CO2/PLAIN WATER 2-3
SYRUP 2
SYRUP 3
PLAIN WATER
SYRUP 4
PLAIN WATER
COOLING COIL
SYRUP COOLING
COIL (8)
CARB DRINK
1
STILL
2
3
4
(NON-CARB)
OR CARB DRINK
STILL
(NON-CARB)
OR CARB DRINK
STILL
(NON-CARB)
DRINK
CO2/PLAIN WATER 5-6
SYRUP 5
SYRUP 6
CO2 WATER 7-8
SYRUP 7
SYRUP 8
DISPENSER
NOTE: The indicated CARB DRINK dispensing valves may be made to dispense still (non-carb)
drinks by connecting plain water instead of carbonated water to the valves water inlet lines.
STILL
(NON-CARB)
5
6
7
OR CARB DRINK
STILL
(NON-CARB)
OR CARB DRINK
CARB DRINK
8
CARB DRINK
FIGURE 3. FLOW DIAGRAM (EIGHT-FLAVOR UNIT REQUIRING REMOTE CARBONATOR)
3011350007
CARB DRINK
CARB DRINK
STILL DRINK
STILL DRINK
CARB DRINK
CARB DRINK
11
2
3
4
5
6
301135000
INLET
2
CO
PLAIN WATER
INLET
CARBONATOR
VALV E
DUAL CHECK
PUMP
WATER
MANIFOLD
CARB WATER
PLAIN WATER
INLET
SYRUP INLET
FIGURE 4. FLOW DIAGRAM (SIX-FLAVOR UNIT WITH INTEGRAL CARBONATOR)
8
CARB DRINK
CARB DRINK
CARB DRINK
STILL DRINK
STILL DRINK
CARB DRINK
CARB DRINK
CARB DRINK
11
2
3
4
5
6
7
8
INLET
2
CO
PLAIN WATER
INLET
CARBONATOR
VALV E
DUAL CHECK
PUMP
WATER
MANIFOLD
CARB WATER
PLAIN WATER
INLET
SYRUP INLET
FIGURE 5. FLOW DIAGRAM (EIGHT-FLAVOR UNIT WITH INTEGRAL CARBONATOR)
3011350009
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10301135000
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