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MODEL PM4-B GRINDMASTER CRATHCO SYSTEMS, INC. 480 Neponset Street Canton, MA 02021 USA (617) 828-1250 FAX (617) 828-9617 Grindmaster Crathco Systems, Inc., 2000 0700 Form # CC-398-03 Part # 9408 PRINTED IN THE USA WARNING LABELS AND SAFETY PRECAUTIONS OPERATOR'S SAFETY PRECAUTIONS 1. Read and understand the operating instructions in this manual thoroughly. 2. Note all warning labels. If any of the warning labels are missing or damaged replace them immediately. 3. Keep operating area clean. Located on the top of the condenser shroud and on the rear panel. INTRODUCTION The GRINDMASTER CORPORATION dispenser is a unique, self contained, counter top style unit with high capacity self-adjusting cooling systems. Both cooling systems: patented cabinet cooling system and ice-bank water cooling system do not require manual adjustment or settings. There are no Electromechanical thermostats to control the cooling systems. The cabinet cooling system is a frost-free system that maintains not only desired temperature, but also a constant humidity level in the cabinet with exception to the time when the cabinet door is open. The dispensing buttons are located on the front panel, and are easily accessible by the operator. The system is powered with safe 24 VDC as well as a water inlet solenoid valve and an electronic controller. The machine has accessible modular construction and has been designed to be simple, yet effective, to provide many years of trouble-free operation. Page 2 Crathco® Post Mix Beverage Dispensers INSTALLATION Installation Notice A water filter is recommended for the water supply to the dispenser, especially in areas where water contains a high level of minerals such as calcium or other solids. Over long periods of time, calcium deposits build on heat-exchanger coils and will lower the cooling capacity of the system. Calcium build up will also occur on the strainers enclosed in the dispensing valves. The cooling system is provided with copper coils, designed to last the life of the dispenser. However, some chemicals in treated or not treated water, specifically chlorine and sulfur (sulfide) may shorten the life of the coils. The initial investment in the filtering system will pay for itself in quality and by ensuring longer life for the machine. Unpacking 1. With the unit upright, remove staples from the box at the very bottom around perimeter of the box and on the top of the box. 2. Open the top of the box and remove the accessory box. 3. Slide the box tube upward exposing the machine. 4. Remove supporting corners and front supporting block. 5. The unit must have the legs installed upon removal from the packaging. Legs are supplied in the accessory kit (box on top of the machine in the packaging.) Failure to install the legs will cause the dispenser refrigeration system to work improperly and burn out as well as possibly damage the water inlet valve. 6. Support all 4 sides, lift and place in an appropriate area. (See location below) Installing Your Unit ! CAUTION: DO NOT ALTER OR DEFORM THE PLUG IN ANY WAY! ALTERING OR DEFORMING THE PLUG MAY DAMAGE UNIT AND WILL VOID WARRANTY! 1. Location Position dispenser in a well-ventilated area indoors. Avoid exposure to direct sunlight and/or heat caused by radiation. Ambient room temperature must be in the range of 60. - 90.F (15-32.C). Do not install unit in an enclosed area where heat build up could be a problem. Note: Air flow direction and spacing required on Figure B page 4. 2. Plumbing Connect the dispenser to cold, potable water source suitable for drinking. Do not install unit on a water softener/softening line. For proper operation incoming supply water pressure must be in the range 29 psig (2 - 2.75 bar), therefore a water pressure regulating valve is recommended. 3. Electrical This unit is supplied with a 6” (2m) long 2 wire plus ground power cord. The PM45-B connector is suitable for standard single phase 220V/50Hz power supply. PM4-B models should be connected to a 115V 60 Hz power supply. This cord exits the unit out the bottom of the base and should be routed per National Electric Code. Crathco® Post Mix Beverage Dispensers Page 3 WARNING: Only a qualified service technician should service internal electrical components. Installing Your Unit (cont.) 4. Water Hook-up. It is recommended to provide water connection to the dispenser from a dedicated water line. Without this, consistent water pressure necessary to sustain proper brix levels may not be maintained due to water surges caused by other water-consuming equipment, such as dishwashing machines, other dispensing equipment, coffee machines etc! The water line supply should be at least 3 2/5” (8 mm) internal diameter and must be rated for 217 psig (15 bar) pressure at 70.F (21°C) water temperature. Install a water pressure regulator gauge at the inlet to the machine and set it to 29 Psig (2 bar). The water pressure regulator gauge, is included in the Accessory Box. It is impor...
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