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CME855A
Service Manual
26 pgs732.01 Kb0

Scotsman CME1000A, CME855A Service Manual

CME855A & CME1000A
INTRODUCTION
This manual is intended as a reference for the installation of a Scotsman ice maker models CME855 and the CME1000.
TABLE OF CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 2
UTILITY CONNECTION LOCATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 3
FOR THE INSTALLER: Environmental Limitations . . . . . . . . . . . . . . . . . . . . . . . . page 4
FOR THE INSTALLER: Machine & Bin Assembly . . . . . . . . . . . . . . . . . . . . . . . . . page 5
STACKING TWO UNITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 6
FOR THE PLUMBER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 7
FOR THE ELECTRICIAN: Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . page 8
FOR THE INSTALLER: Final Check List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 9
COMPONENT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 15
CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 19
SERVICE DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 21
A Service Parts List and the Wiring Diagrams are located in the center of this manual, printed on yellow paper.
October, 1994
Page 1
SPECIFICATIONS
CME855A & CME1000A
Page 2
Always refer to the nameplate, located on the back of the cabinet, for the:
••model number,
••serial number,
••basic electrical
requirements,
••minimum circuit ampacity,
••maximum fuse size,
••and refrigerant charge.
Serial Number
Plate Behind
Front Panel
A serial number plate with the model number, serial number and refrigerant charge is located behind the front panel, near the control box.
The unit comes from the factory with the correct refrigerant charge. The refrigerant charge information is for recharging, should that be necessary.
All utility connections are made at the back of the ice maker.
Before beginning installation, be sure that all of the components necessary for complete assembly of the ice system are available, and are the correct components with regard to model, voltage, and finish.
The CME855 or CME1000 will fit Scotsman bin BH800 without needing a bin top. Other bins will require a bin top.
Model Number Dimensions
W" x D" x H"
CME855AE-32A 42 x 24 x 27 208-230/60/1 R-404A 15.9 20 36 ounces CME855AE-6A 42 x 24 x 27 230/50/1 R-404A 36 ounces CME1000AE-32A 42 x 24 x 27 208-230/60/1 R-404A 19.9 20 42 ounces CME1000AE-3A 42 x 24 x 27 208-230/60/3 R-404A 13.8 15 42 ounces CME1000AE-6A 42 x 24 x 27 230/50/1 R-404A 42 ounces
* The system charge is in the machine. This number is for recharging purposes only. If the nameplate has a different value, go by the nameplate. ** Or HACR type circuit breakers.
Basic Electrical Refrigerant
Type
Air Out
Min. Circ. Amps
Max. Fuse** Size
Refrigerant Charge*
Air In
Air Temperature Water Temperature Voltage Minimum 50 Maximum 100
0
F. 400 F. -5%
0
F. 1000 F. +10%
December, 1994
UTILITY CONNECTION LOCATIONS
CME855A & CME1000A
Page 3
October, 1994
FOR THE INSTALLER: Environmental Limitations
CME855A & CME1000A
Page 4
Installation Limitations
The ice making portion of this ice system is designed to be installed indoors, in a controlled environment.
Minimum Maximum
Air Temp 50 Water Temp 40 Water Pressure 20 PSI 80 PSI Voltage 197 253 Operating the ice machine outside of the above
limitations, or outdoors, is potentially damaging to the machine; also it is misuse of the machine, which may void the warranty.
Scotsman Ice Systems are designed and manufactured with the highest regard for safety and performance. They meet or exceed the standards of UL, NSF, and CUL.
Scotsman assumes no liability or responsibility of any kind for products manufactured by Scotsman that have been altered in any way, including the use of any part and/or other components not specifically approved by Scotsman.
0
F. 1000F.
0
F. 1000F.
Water Limitations
An ice machine is a food manufacturing plant; it takes a raw material, water, and turns it into a food product, ice. The purity of the water is very important in obtaining pure ice and in maximizing product life. These general recommendations should help keep the ice maker clean:
1. Filter the water used to produce ice. Water filters vary greatly in ability and function. Install one that filters out suspended solids to a dimension of 5 microns or smaller. The finer the filter the better, but finer filters will clog sooner than course ones. It may be necessary to add a course filter ahead of the fine filter to prolong filter life.
2. Check with a water treatment specialist for a water test, and recommendations regarding filters and treatment.
Service Limitations
Some space on the sides, the back and the top should be allowed for service and utility connections.
Scotsman reserves the right to make design changes and/or improvements at any time.
Specifications and design are subject to change without notice.
December, 1994
Bin
Thermostat
Bracket
C ME 855A & CME1000A
FOR THE INSTALLER: Machine & Bin Assembly
Storage Bin:
Afte r u ncrat i ng the ice stor age bin , attach th e l egs to th e bin:
1. Use a portion of the carton as a cushion, and tip the stora ge bin on its back.
2. Scr ew the le g s i nto th e th r eade d ho l e s in the bottom of the bin.
3. Turn th e leg levele rs all th e way in to p rep are the bin and ice machine for lev eling.
4. Return the bin to th e uprigh t posit ion.
Ice Maker:
1. Arrange for proper ele ctric , wa ter and drain . See instructio ns for th e plu mbe r and for the
electrician.
2. Position the ice st ora ge bin in the sele ct ed INDOOR locat ion .
3. Level the bin , in bo th the fron t to rear an d side to side directions.
4. Inspect the bin top mounting gasket which should be flat, with no wrinkles, to pro vide a good water seal whe n the cuber is installed on top of the bin .
Fasten
Machine To
Bin
5. Install the modular cuber on top of the bin using care to be sure a good se al is made betwee n th e two cabinets, use of a mechanical lift is recommended . Alig n the holes in the botto m back of the cabinet to mate with the two mounting straps on the top rear of the bin.
6. Use bolts and strap s found in the hard ware package to se cure the ice mach ine to the ice storage bin. When alignment and leveling are completed, tigh ten th e bolts to secu re the mounting straps.
7. Install the bin thermo sta t bra cke t. The bracket is shipped in a cardb oa rd con ta ine r located in front of the freezing compartment.
Mount the brac ket to the bo tt om of the ic e machine with the plastic tube inserted up thru the ice machine base from below. Se cure the brac ket to the ice machine base using 3 thumbs crews from the hardware packa ge.
Uncoil the bin thermost at cap tub e and insert it int o the plastic tubing of the bracket to the end of the meta l tubin g.
Bin
Thermostat
Capillary Tube
March 1995
Page 5
STACKING TWO UNITS
CME855A & CME1000A
Page 6
To stack a 42" wide CME cuber onto a CME855A, CME1000A, CM855 or CM1000 cuber:
A Heavy Duty Leg Kit is Recommended.
1. Remove the top panel from the lower unit.
2. Add a bead of food grade sealant (such as Scotsman part number 19-0529-01) to the top edges of the lower unit’s freezing compartment.
3. Lift the top unit onto the bottom machine (a mechanical lift is recommended).
4. Align the two machine’s cabinets, and using the bolts and straps from the hardware package, fasten the two units together at the back.
Note: When placing a new unit on a CM855 or CM1000, the outboard (right side viewed from the back) threaded holes should be used.
5. Route the bin thermostat capillary tube from the upper machine into the lower machine and into the bin thermostat bracket, next to the capillary tube from the lower machine.
FROM
HARDWARE
PACKAGE
FROM
HARDWARE
PACKAGE
STACKING TWO CME 42" AIR COOLED
December, 1994
FOR THE PLUMBER
CME855A & CME1000A
Page 7
Water Supply
The recommended water supply line is a 3/8-inch O.D. tubing with a minimum operating pressure of 20 PSIG and a maximum of 80 PSIG.
A separate water inlet is required for the condenser water supply.
Connect to cold water supply line with standard plumbing fittings, with shut off valve installed in an accessible place between the water supply and the cuber. In some cases a plumber will be required.
CONFORM TO ALL LOCAL CODES
Drain Connections:
Connections: All drains are gravity type and must have a minimum of 1/4 - inch fall per foot of horizontal run. The drains to be installed must conform with the local plumbing codes. Install a vertical open vent on the ice machine reservoir drain. The ideal drain receptacle is a trapped and vented floor drain. The storage bin drain should be insulated.
PLUMBING CONNECTIONS
RESERVOIR
DRAIN VENT
HAND SHUT OFF
HAND SHUT
OFF VALVE
VALVE
RESERVOIR DRAIN
BIN DRAIN VENT
POSITION OF
FILTER
FLOOR DRAIN
October, 1994
CME855A & CME1000A
FOR THE ELECTRICIAN: El ect ric al Connect ions
See the NAMEPLATE for curre nt requ ireme nts to determine wire size to be used for electric al hookup. The cuber requires a solid chassis to chassis earth groun d wire. See Wiring Diag ram.
Be certain the cuber is connected to its own electrical circuit and individ ually fus ed. Voltage variation should no t exceed ten perce nt of the nameplate rat ing , even under sta rtin g cond itio ns. Low voltages can cause erratic ope rat ion and may be responsible for seriou s dama ge to the ice maker.
Electrical conn ection s are made at the rear of the ice maker, inside the junction box.
FUSES or HACR
CIRCUIT BREAKERS
All external wiring shoul d conform to the national, sta te and loc al electr ic al code requirements. Usually an electrica l per mit and services of a licensed electrici an wi ll be required.
ELECTRICAL JUNCTION BOX
Cuber Electrical Conn ectio ns
January 1997
Page 8
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