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Summary of Contents for Mueller 9843514
- Page 1 Falling Film Chiller INSTALLATION AND OPERATION MANUAL Part No. 9843514 Effective February 12, 2003 Revised April 17, 2023...
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Page 3: Table Of Contents
Test Running ....................... 13 Mueller Falling Film Chiller Effective February 12, 2003 Installation and Operation Manual, Part No. 9843514 Revised April 17, 2023... - Page 4 Rust and Hard Water Stain Removal Procedures ............... . . 23 Mueller Falling Film Chiller Effective February 12, 2003 Installation and Operation Manual, Part No. 9843514 Revised April 17, 2023...
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Page 5: Section 1.0 - Introduction
Section 1.0 – Introduction GENERAL INFORMATION Paul Mueller Company falling film chillers are designed to quickly and efficiently cool water or a liquid solution of water and glycol for many different processes. Mueller® falling film chillers use gravity to flow the medium over the refrigerated vertical evaporators for instant cooling. - Page 6 Height (in) Top Door (in) Weight (lb) Top Door (in) 2–8 plate cabinet 68.5 39.13 97.13 99.63 Refrigerant plate Glycol plate Mueller Falling Film Chiller Effective February 12, 2003 Installation and Operation Manual, Part No. 9843514 Revised April 17, 2023...
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Page 7: Model 4 X 8 Falling Film Chiller Standard Features
Dual, low-flow pan, 4" MPT Outlet**: 6" RFSO pipe flange Inlet: Dual, high-flow pan, 6" MPT Outlet**: 6" RFSO pipe flange Mueller Falling Film Chiller Effective February 12, 2003 Installation and Operation Manual, Part No. 9843514 Revised April 17, 2023... - Page 8 9–16 plate cabinet 108.75 75.88 61.44 63.59 1,041 1,024 17–24 plate cabinet 108.75 109.13 61.44 63.59 1,444 1,419 Refrigerant plate Glycol plate Mueller Falling Film Chiller Effective February 12, 2003 Installation and Operation Manual, Part No. 9843514 Revised April 17, 2023...
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Page 9: Plate Design
PLATE DESIGN Paul Mueller Company manufactures plates for the falling film chiller in two different styles. Figure 1 shows the plate used for direct expansion or recirculated refrigeration systems. Figure 2 shows the plate used for flooded refrigeration systems. Note the number of baffles in both designs. The direct expansion or recirculated refrigeration plate has three baffles and the flooded refrigeration plate only has one. -
Page 10: Model Number Breakdown
M = 1430 (25–32 4 x 8) N = 150 (2–8 3 x 5) O = 345 (2–8 3 x 5) Mueller Falling Film Chiller Effective February 12, 2003 Installation and Operation Manual, Part No. 9843514 Revised April 17, 2023... -
Page 11: Section 2.0 - Installation
Section 2.0 – Installation INSPECTION Paul Mueller Company requires thoroughly inspecting the equipment before it is unloaded from the freight truck. Carefully examine the equipment for concealed damage. Note any damage on the bill of lading, and take photos of the damage, crating, and how the unit is positioned on the truck. -
Page 12: Locating Condensing Units
Fittings (e.g., Elbows, tees, unions, valves, and adapters). • Circulating pump, if not provided. • Flow switch. Please call Paul Mueller Company for sizing assistance. • Overflow line, 2.0" PVC. • Propylene glycol will be required if the cooling water is to be operated below 34°F (1.1°C). -
Page 13: Connecting The Refrigerant Lines
LIQUID LINE SOLENOID VALVE The Mueller condensing unit is designed to start and stop based on water temperature. It is not designed as a pump-down system. For proper operation of the falling film chiller it is necessary to install a liquid line solenoid valve to prevent refrigerant migration during down time. -
Page 14: Makeup Water Valve
An optional water makeup valve is available. Some installations require a makeup water valve to replenish the water used in the process. See Part No. 8826498, “Falling Film Chiller Water Level Control Instructions” for more information. Mueller Falling Film Chiller Effective February 12, 2003 Installation and Operation Manual, Part No. 9843514 Revised April 17, 2023... -
Page 15: Connecting The Overflow Line
2.10 MUELLER MULTI-STAGE CHILLER COOLING AND PUMP CONTROL If the Mueller multi-stage chiller cooling and pump control was purchased, please reference the multi-stage chiller control manual for installation and setup procedures. A crucial step in the installation of the multi-stage chiller control is the location of the temperature sensors. A rise in water temperature inside the chiller’s distribution pan will turn on Stage 1 and the condensing unit. - Page 16 Adjust the makeup water valve to obtain this final level including the recirculation water depth calculated from above. The water level will require a few minutes to stabilize with each adjustment. Contact Paul Mueller Company’s Service Department at 1-800-756-5991 or DFETechService@paulmueller.com for assistance with obtaining sizing data for the chiller.
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Page 17: Cleaning The System
Start the circulating pump. After determining the chilled water system is operating properly, start the refrigeration system(s) and check the setpoints of the refrigeration units, as described in Section 3. Mueller Falling Film Chiller Effective February 12, 2003 Installation and Operation Manual, Part No. 9843514 Revised April 17, 2023... -
Page 18: Section 3.0 - Condensing Unit Setup/Startup Procedures
The final charge will be dependent on two factors; the volume of the evaporator plates and the equivalent length of refrigeration piping. The sight glass must be clear with no bubbles for proper final operating charge. Mueller Falling Film Chiller Effective February 12, 2003 Installation and Operation Manual, Part No. 9843514 Revised April 17, 2023... -
Page 19: Pressure Switch Adjustments
A 15 to 20 psi change in head pressure results from one complete turn of the adjusting stem. This adjustment should be made during low-ambient conditions. Mueller Falling Film Chiller Effective February 12, 2003 Installation and Operation Manual, Part No. 9843514 Revised April 17, 2023... -
Page 20: Plate Superheat Adjustment
Unload Pressure Switch (UPS) Settings Hot Gas Valve Setting Refrigerant Cut-In Pressure Setting (psig) Cut-Out Pressure Setting (psig) Pressure Setting (psig) R-22 R-507 R-448A R-404A Mueller Falling Film Chiller Effective February 12, 2003 Installation and Operation Manual, Part No. 9843514 Revised April 17, 2023... -
Page 21: Liquid Injection Adjustment
Four fan units are duplex design and fans are cycled in pairs. FIGURE 4: CONDENSING UNIT SCHEMATIC IMPORTANT: The condensing unit schematics are for operational reference only. Please contact Paul Mueller Company’s Refrigeration Products division for unit specific schematics. Condenser Subcooler... - Page 22 BE FIELD-INSTALLED) NOTE- The above schematic is for reference only. Please contact Paul Muller Company for condensing unit- specific wiring diagrams. Mueller Falling Film Chiller Effective February 12, 2003 Installation and Operation Manual, Part No. 9843514 Revised April 17, 2023...
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Page 23: Section 4.0 - Cleaning The System
Section 4.0 – Cleaning the System GENERAL INFORMATION Mueller falling film chillers must be cleaned prior to commissioning to remove any dirt or debris that may have accumulated during shipping and handling and periodically as maintenance. CHEMICAL AND CLEANING CAUTIONS •... -
Page 24: Cleaning The System: Startup
Due to the various applications of Mueller falling film chillers and the environment where the units operate, inspection and cleaning intervals vary. It is the responsibility of the end user/operator to determine the proper frequency of periodic inspections and cleanings. -
Page 25: General Inspection Procedures
Drain the reservoir. This may be accomplished by disconnecting the piping at the reservoir outlet or opening the drain valve in the field installed piping, if so equipped. Mueller Falling Film Chiller Effective February 12, 2003 Installation and Operation Manual, Part No. 9843514 Revised April 17, 2023... -
Page 26: General Chiller Cleaning Procedures
Operate the circulation pump and brush the inside of the reservoir and chiller with a nylon bristle brush to sanitize the areas that are not submerged. Allow the sanitizing solution to drain fully from the chiller. Mueller Falling Film Chiller Effective February 12, 2003 Installation and Operation Manual, Part No. 9843514 Revised April 17, 2023... -
Page 27: Cleaning The System: Rust And Hard Water Stain Removal
This will begin the passivation process. Reinstall the distribution pan if it was removed. Mueller Falling Film Chiller Effective February 12, 2003 Installation and Operation Manual, Part No. 9843514 Revised April 17, 2023... - Page 28 14. Turn on the water level control and refill the chiller reservoir. Flush the process lines to drain to ensure any remaining chemical is removed from the system. 15. Turn on the refrigeration and circulation pumps. Mueller Falling Film Chiller Effective February 12, 2003 Installation and Operation Manual, Part No. 9843514 Revised April 17, 2023...
- Page 30 1600 West Phelps Street | Springfield, Missouri 65802, U.S.A. Service: 1-800-756-5991 | DFETechService@paulmueller.com 1-800-MUELLER | WWW.PAULMUELLER.COM ©2023 Paul Mueller Company | 1203822008175525 | 9843514...
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