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Summary of Contents for Multiplex 2803
- Page 1 Models 2803, 11M, 44M, 50M Post-Mix Soda & SC180, SC340, SC1000, & SC2000 Super-Chill Refrigeration Units Installation, Use & Care Manual This manual is updated as new information and models are released. Visit our website for the latest manual. www.welbilt.com...
- Page 2 Safety Notices Read These Before Proceeding: As you work on Manitowoc equipment, be sure to pay close attention to the safety notices in this manual. ! Caution Disregarding the notices may lead to serious injury and/ Proper installation, care and maintenance are or damage to the equipment.
- Page 3 Water Supply ..........Plumbing Circuit Diagrams — Model 2803 ......
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Page 4: Table Of Contents
How the Multiplex Works ........ - Page 5 Table of Contents (continued) Placing Equipment in Operation ....... . . Placing the Carbonation System in Operation .
- Page 6 Table of Contents (continued) Part Number 000003912 6/17...
- Page 7 11M A 04 B Thoroughly inspect the unit upon delivery. Immediately report any damage that occurred during transportation to 2803 & SC180 - 1/3 hp B - Reserve Ice Bank the delivery carrier. Request a written inspection report 11M & SC340 - 1/2 hp T - TUV approved 44M &...
- Page 8 Models with part numbers beginning with the letters TS are NOT marine listed. OUTDOOR APPLICATIONS TS Multiplex Beverage Recirculating units are approved and listed by Underwriters Laboratories (UL). However they are not UL approved for weather exposure applications. These units must be installed in areas where adequate protection from the elements is provided, all other models are ETL listed.
- Page 9 Section 1 General Information Serial Plate Location Warranty Information Consult your local MBE Distributor for terms and conditions of your warranty. Your warranty specifically excludes all beverage valve brixing, general adjustments, cleaning, accessories and related servicing. Your warranty card must be returned to MBE to activate the warranty on this equipment.
- Page 10 General Information Section 1 THIS PAGE INTENTIONALLY LEFT BLANK Part Number 000003912 6/17...
- Page 11 Incoming Syrup Panel (Optional) Supply Lines Drain Connection Drain Connection Floor drain should be located within 6 ft (183 cm) of unit Side View Front View Model (with stand) 2803 & 27-3/4" 16-1/4" 18-3/4" — — — — — 19-3/4" 5-1/2"...
- Page 12 Installation Section 2 REMOTE CONDENSER OPTIONAL 38.00" (96.52 cm) 27.94" 1.50" 34.00" (86.36 cm) (70.97 cm) (3.81 cm) 30.00" (76.20 cm) 29.50" (74.93 cm) 29.16" (74.06 cm) OPTIONAL 6.50" 20.00" (50.80 cm) (16.51 cm) 6.00" 16.00" (40.64 cm) (15.24 cm) 12.00"...
- Page 13 Section 2 Installation Safe Installation Dos and Don’ts • DO NOT exhaust CO gas (example: syrup pump) into an enclosed area, including all types of walk-in coolers, cellars, and closets. Warning • DO NOT throw or drop a CO cylinder. Secure the Read the following warnings before beginning an cylinder(s) in an upright position with a chain.
- Page 14 Control Side (Right) 18" (45.7 cm) • 100 GPH (379 LTR/hr) potable water supply Models Tower Connection Side (Left) 12" (30.5 cm) 2803/11/38; 200 GPH (757 LTR/hr) potable water supply Models 44/50 Back Side 6" (15.2 cm) • Beverage quality CO...
- Page 15 An initial operation of the Multiplex Beverage Equipment enclosed space can be a cooler or small room or Post Mix Refrigeration Unit.
- Page 16 The wire size (or gauge) is also dependent upon location, materials used, length of run, etc., so it must be determined by a qualified electrician. SPECIFICATIONS Model Volt/Cycle/Phase Minimum Circuit Amps Breaker Compressor 2803 & SC180 120/60/1 20.3 1/3 hp 230/50/1 .46 kW 11M & SC340 120/60/1 21.5...
- Page 17 Section 2 Installation GROUNDING INSTRUCTIONS Warning Warning When using electric appliances, basic precautions must always be followed, including the following: The beverage/ice machine must be grounded in accordance with national and local electrical codes. a. Read all the instructions before using the appliance.
- Page 18 Model Water Connections Supply fitting of the filter. Plumb according to applicable Pressure plumbing codes. 2803 & 40 – 70 psig 3/4" ID 3/8" ID SC180 (2.8 – 4.9 bar) within 6 ft (2 m) EVA Line Bracket 11M &...
- Page 19 Section 2 Installation PLUMBING CIRCUIT DIAGRAMS — MODEL 2803 SODA TOWER Soda Dispensing Tower Syrup BIB 1 2 3 4 5 6 Carbonator Tank From Syrup Tanks 3/8" Barb x 3/8" Barb x Circulating 3/8" Tube 3/8" Tube Water Pump...
- Page 20 Installation Section 2 PLUMBING CIRCUIT DIAGRAMS — MODEL 11M ROOT BEER Single Tower Plumbing Installation Kit (020001441) 020001403 00861302 Primary Carb Pump Pressurized Filtered Water Carb Supply Tank Circ Pump 2-10 Part Number 000003912 6/17...
- Page 21 Section 2 Installation Model 11M Root Beer Dual Tower Plumbing Installation Kit (020001441) 020001403 00861302 Tee Kit (020001411) Primary Carb Pump Pressurized Filtered Water Carb Supply Tank Circ Pump 2-11 Part Number 000003912 6/17...
- Page 22 Installation Section 2 Model 11M Root Beer Three Tower Plumbing Installation Kit (020001441) 020001403 00861302 Tee Kit (020001411) Tee Kit (020001411) Primary Carb Pump Pressurized Filtered Carb Water Tank Supply Circ Pump 2-12 Part Number 000003912 6/17...
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Page 23: Plumbing Circuit Diagrams - Model 44M
Section 2 Installation PLUMBING CIRCUIT DIAGRAMS — MODEL 44M Pressurized Water Circuit Diagram 2-13 Part Number 000003912 6/17... - Page 24 Installation Section 2 Pre-mix Plumbing — Six Valve Towers with Connection at Center Island NOTE: Other plumbing configurations are possible. Check tower installation manual before making connections. Two Tower System Single Tower System with Connection at Center Island Drive-thru or Self Serve or Center Island Tower Center Island Tower...
- Page 25 Section 2 Installation Pre-mix Plumbing — Eight Valve Towers with Connection at Center Island Two Tower System Single Tower System with Connection at Center Island Drive-thru or Self Serve or Center Island Tower Drive-thru Tower Center Island Tower Syrup Syrup Cooling Coils Cooling Coils Syrup Filters...
- Page 26 Installation Section 2 Carbonated Water Plumbing — Six Valve Towers with Connection at Unit Supplies Carbonated Water to Diet Drink and Provides Conduit Cooling for Products Single Tower System with Connection at Unit Two Tower System with Connection at Unit Drive-thru or Self Serve or Center Island Tower...
- Page 27 Section 2 Installation Carbonated Water Plumbing — Eight Valve Towers with Connection at Unit Single Tower System with Connection at Unit Two Tower System with Connection at Unit Drive-thru or Self Serve or Center Island Tower Drive-thru Tower Center Island Tower Primary Primary Carbonator...
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Page 28: Plumbing Circuit Diagrams - Model 50M
Installation Section 2 PLUMBING CIRCUIT DIAGRAMS — MODEL 50M Pressurized Water Circuit Diagram 2-18 Part Number 000003912 6/17... - Page 29 Section 2 Installation Gas and Compressed Air Circuit Diagram 2-19 Part Number 000003912 6/17...
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Page 30: Refrigeration Unit Installation
Installation Section 2 Refrigeration Unit Installation UNIT INSTALLATION OVERVIEW 1. Set unit in place. UNPACKING AND INSPECTING 2. Connect the circuit electrically. Refer to chart. Carefully inspect the refrigeration unit immediately upon unpacking. Verify the equipment and parts received 3. Connect water supply. against the Bill of Lading. -
Page 31: Positioning Of Refrigeration Unit
Section 2 Installation POSITIONING OF REFRIGERATION UNIT ELECTRICAL CONNECTIONS Before proceeding with installation, verify that all ! Caution requirements for roof mounted Remote Condenser Units have been satisfied (if applicable). Refer to the Make sure power supply to unit is turned off. instructions on installing the Remote Condenser supplied with the unit. -
Page 32: Conduit Installation
Installation Section 2 Conduit Installation Wrong PROPER USE OF JOHN GUEST FITTINGS Tubing NOTE: This unit has a compression type tube connector. The following are step-by-step instructions on how to properly use these fittings. For connecting purposes, all Tube Stop connections are furnished with a 3/8"... -
Page 33: Connecting Supply Lines
Section 2 Installation CONNECTING SUPPLY LINES Tower 1 Tower 2 Two Circulation Pumps – Two Circuits Pre-installation of towers is required and the appropriate syrup supply must be connected to the corresponding Refrigeration Unit tower. The valves are numbered 1-6, 1-8, or 1-10 from Heat left to right viewing from the front of the tower. - Page 34 Installation Section 2 Dispensing Tower No. 1 Dispensing Tower No. 2 Circ Carb Carbonated Water Plain Water Circ Carb Incoming Water Supply Carbonated Water Supply Line Diagram 3. Locate the #1 and the #8 3/8" (.965 cm) syrup lines. barbed fitting. Alter the remaining lines to make the Note: Braided syrup lines located inside the conduit routing neat and secure.
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Page 35: Routing Insulated Conduit
Section 2 Installation ROUTING INSULATED CONDUIT NOTE: Multipar conduit is color coded for easy identification of lines. When making connections always 1. Before connecting conduit, evaluate store situation attach lines requiring the longest connection from the and lay out how the conduit will be routed. Be sure insulation first. - Page 36 Installation Section 2 Model 2803 Connections John Guest Fittings Right Hand Opening for Conduit Supply Lines 1/4" Plastic CO Line from Carbonator Control Switches Drain Hose Model 11M Connections Opening for Conduit John Guest Fittings Supply Lines Drain Hose Control Switches...
- Page 37 Section 2 Installation Model 44M Connections John Guest Fittings Opening for Conduit Supply Lines Drain Hose Control Switches Model 50M Connections Opening for Conduit Supply Lines John Guest Fittings Drain Hose Control Switches 2-27 Part Number 000003912 6/17...
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Page 38: Insulating Connections
The purpose is to provide an air tight APPROVED CONDENSERS seal at the floor level to prevent foreign matter from Multiplex Condenser - TS0895-271 entering the chases. Please read the foam MAC Multi-Pass Condensers manufacturer’s instructions carefully. We recommend using the adapter with the right angle extension. -
Page 39: Pre-Charged Refrigeration Line Requirements
(line sets 5. It is critical that the Multiplex remote condensing line size have a positive refrigerant holding charge of two to three specifications for the specific model be maintained. The ounces). -
Page 40: Connecting The Pre-Charged Refrigeration Lines
Installation Section 2 CONNECTING THE PRE-CHARGED 6. Turn OFF the CO tank valve. Observe the pressure REFRIGERATION LINES on the high pressure gauge (not the 90 psi [6.2 bar] operating gauge). The needle may drop NOTE: Before connecting the pre-charged refrigeration approximately 1 psi (.09 bar), but must remain lines, the refrigeration unit must be properly located, constant and not lose pressure. -
Page 41: Installation Checklist
Section 2 Installation NOTE: A manual fill valve is incorporated into the water Important circuit to the carbonator tank. This valve can be used to manually add water lost for any reason. Do not leave this Wait until a thin layer of ice has begun to form on the valve ON constantly, only use it for filling and topping off. - Page 42 Installation Section 2 THIS PAGE INTENTIONALLY LEFT BLANK 2-32 Part Number 000003912 6/17...
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Page 43: Operation
Section 3 Operation Section 3 Operation Typical System Conduit Air Compressor Conduit (In Wall) Panel Multiplex Refrigeration Unit Water Booster 6 Valve Soda Tower BIB Pumps 8 Valve Soda Tower Tank Bag-In-Box Water Filters (BIB) Syrup BIB Rack Part Number 000003912 6/17... -
Page 44: How The Multiplex Works
Section 3 How the Multiplex Works Differences Between the TS & SS Units The Model 2803 is a 1/3 HP refrigeration unit that will The Model 50M and 44M have 2 different sets of part provide pre-mix carbonated beverages and chilled numbers. -
Page 45: Water Manifold Ts
Section 3 Operation ELECTRICAL TS • Electrical compartment has been moved up on the unit to eliminate water intrusion potential from the pump compartment. • All components are now 208/230V. This eliminates the need for a neutral wire. • TS remote and water-cooled back panel connections are offset to protect fittings. -
Page 46: Water Bath Access Ss
Operation Section 3 WATER BATH ACCESS SS SERVICE ACCESS TS • Has a round hole in the front and back panels with no edge trim to protect lines. • Front panel is split to allow front access to the compressor compartment. -
Page 47: Placing The Carbonation System In Operation
Section 3 Operation to the unit, air needs to be purged from the carbonator tank. Do so by lifting press relief valve tab until water comes out of relief valve. 10. Turn on main CO supply. Set regulator initially to 90 –... -
Page 48: Sequence Of Operation
Air Compressor Conduit (In Wall) Panel Multiplex Refrigeration Unit Water Booster 6 Valve Soda Tower BIB Pumps 8 Valve Soda Tower Tank Bag-In-Box Water Filters (BIB) Syrup BIB Rack Multiplex Pre-mix Beverage System Operation and Layout Part Number 000003912 6/17... -
Page 49: Equipment Setup And Close Procedure
Section 3 Operation Equipment Setup and Close Procedure EQUIPMENT SETUP PROCEDURE 1. Ensure that all valve nozzles are attached to the valves. 2. Observe pressure of CO high pressure tank of 500 psi (34 bar) or more, or bulk CO tank of 150 psi or more. - Page 50 Operation Section 3 THIS PAGE INTENTIONALLY LEFT BLANK Part Number 000003912 6/17...
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Page 51: Sanitizing
Section 4 Maintenance Section 4 Maintenance Sanitizing BEVERAGE SYSTEM CLEANING Warning Flush sanitizing solution from syrup system. Residual sanitizing solution left in system could create a health hazard. Warning 2. Disconnect the “syrup-line side” of the BIB When using cleaning fluids or chemicals, rubber connector. -
Page 52: Figal Beverage System
Maintenance Section 4 5. Draw rinse water through system until clean water is FIGAL BEVERAGE SYSTEM dispensed. Most beverage valves allow the syrup 1. Prepare the following in three clean Figal tanks: side to be manually activated by depressing the •... -
Page 53: Back-Flow Preventer Maintenance
Section 4 Maintenance Back-flow Preventer Maintenance Shipping, Storage and Relocation The integral carbonator in this unit is equipped with a back-flow preventer designed to protect the potable ! Caution water supply from CO contamination. Before shipping, storing, or relocating this unit, syrup systems must be sanitized. - Page 54 Maintenance Section 4 THIS PAGE INTENTIONALLY LEFT BLANK Part Number 000003912 6/17...
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Page 55: Checklist
Section 5 Before Calling for Service Section 5 Before Calling for Service Checklist Warning If a problem arises during operation of your post mix Only trained and certified electrical and plumbing soda refrigeration unit, follow the checklist below before technicians must service this unit. All wiring and calling service. - Page 56 Before Calling for Service Section 5 THIS PAGE INTENTIONALLY LEFT BLANK Part Number 000003912 6/17...
- Page 60 © 2017 Manitowoc Continuing product improvements may necessitate change of specifications without notice. Part Number 000003912 6/17 Welbilt KitchenCare 2100 Future Drive Sellersburg, IN 47172, USA Ph: 812-246-7000 Fax: 812-246-7024 Visit us online at: www.welbilt.com...