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2803
Multiplex 2803 User Manual
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Section 2
Installation
Part Number 00000391
2 6/17
2-13
PLUMBING CIRCUIT DIAGRAMS — MODEL 44M
Pressurized W
ater
Circui
t Diagram
To
C
o
f
f
e
e
Machine
T
o Ice
Machine
Legend
Phosphate
Feeder
(optional)
Accumulator
T
ank
(optional)
To
Plain W
ater
Va
l
v
e
Filtered Water
Pressure Gauge
Primary
Carbonator
Cooling
Coil
Carbonator
T
ank
Cooling
Coil
Cooling
Coil
Circulator
Pump
To
w
e
r
To
w
e
r
To
w
e
r
Optional Constant Water
Pressure Booster Module
Booster
T
ank
High
Pressure
Switch
H
L
High
Pressure
Gauge
Low
Pressure
Switch
Const
ant P
ressu
re
Booster Pump
Pump
Optional Pressure
Regulator
(55 psi [3.8 bar])
Low
Pressure
Gauge
Fine Filters
(optional)
Coarse Filter
(optional)
T
o Optional
W
ater Cooled
Condenser
Primary
W
ater Supply
Booster Module
Replacement Line
— Electric Solenoid V
alve
— Manual Ball V
alve
— 3-way Ball V
alve
— Pressure Relief V
alve
— Check V
alve, Ball T
ype
— Check V
alve,
—
V
ent to Atmosphere
22
24
Table of Contents
Table of Contents
4
Plumbing Circuit Diagrams - Model 44M
23
Plumbing Circuit Diagrams - Model 50M
28
Refrigeration Unit Installation
30
Unpacking and Inspecting
30
Unit Installation Overview
30
Positioning of Refrigeration Unit
31
Equipment Placement
31
Electrical Connections
31
Tower Installation
31
Conduit Installation
32
Proper Use of John Guest Fittings
32
Connecting Supply Lines
33
Routing Insulated Conduit
35
Connecting Insulated Conduit at the Unit
35
Connecting Insulated Supply Lines
35
Insulating Connections
38
Aeroquip Connection
38
Condenser and Pre-Charged Lines Installation
38
Remote Condenser Requirements
38
Pre-Charged Refrigeration Line Requirements
39
Installing the Multiplex Remote Condenser
39
Connecting the Pre-Charged Refrigeration Lines
40
Testing
40
Testing CO 2 Circuit for Leaks
40
Testing Syrup Circuit (5 Gallon Tanks Only)
40
Preparing Ice Bank
40
Building an Ice Bank
40
Installation Checklist
41
Operation
43
Typical System
43
How the Multiplex Works
44
Differences between the TS & SS Units
44
Water Manifold TS
45
Electrical TS
45
Water Bath Access SS
46
Water Bath Access TS
46
Service Access SS
46
Service Access TS
46
Start-Up (Non-ERC)
46
Placing the Carbonation System in Operation
47
Sequence of Operation
48
Pre-MIX Refrigeration Unit
48
Equipment Setup and Close Procedure
49
Equipment Setup Procedure
49
Equipment Close Procedure
49
Sanitizing
51
Beverage System Cleaning
51
Bag-In-Box System Sanitation
51
Figal Beverage System
52
Back-Flow Preventer Maintenance
53
Shipping, Storage and Relocation
53
Checklist
55
4
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Multiplex 2803 Specifications
General
Brand
Multiplex
Model
2803
Category
Refrigerator
Language
English
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