Scotsman CME1356R User Manual Download Page 2 | Manualshive

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Specifications

Both of these ice machines are designed to be
installed indoors, in a controlled environment.
They can operate satisfactorily under a wide
variety of conditions. However, Do NOT operate
the machine in temperatures it has not been
designed for. Do NOT operate the machine above
or below the voltage limits for the particular model.
Do NOT operate the machine with too little or too
much water pressure.

Operational Limits

Minimum

Maximum

Air Temperature

50oF.

100oF.

Water Temperature

40oF.

100oF.

Water Pressure

20 psi

80 psi

Voltage (60 Hz)

197

253

Voltage (50 Hz)

207

253

Scotsman reserves the right to make design
changes and/or improvements at any time.
Specifications and designs are subject to change
without notice.

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 parts and/or other
components not specifically approved by
Scotsman.

Bins:

All models will fit a standard, 48" wide or wider
open top Scotsman Ice Storage Bin. Some
examples are:

·

BH900

·

BH1366

·

BH1666

In addition, there may be other bins that can be
used, check Scotsman’s sales literature for
application information.

Note: Slope-front bins must have an internal baffle.
Scotsman’s BH900 has the required baffle. Baffle
must be approximately in the position shown in the
diagram below.

CME1356R and CME1656R

March 2010

Page 2

Model Number

Dimensions

W x D x H

(w/o bin

)

Basic Electrical
(volts/Hz/phase)

Use
Condenser

Refrigerant
Charge
R-404A

Minimum
Circuit
Ampacity

Max
Fuse
Size

CME1356RS-32H 48 ½ “ x 24" x 28 208-230/60/1

ECR411-32A 288 oz

24.9

30

CME1356RS-3H

same

208-230/60/3

ECR411-32A 288 oz

15.9

20

CME1356RS-6H

same

230/50/1

ERC411-32A 288 oz

24.9

30

CME1656RS-32H same

208-230/60/1

ECR411-32A 288 oz

24.9

30

CME1656RS-3H

same

208-230/60/3

ECR411-32A 288 oz

15.9

20

CME1656RS-6H

same

230/50/1

ECR411-32A 288 oz

24.9

30

* The remote condenser is designed to work in temperatures from -20

o

F. to 120

o

F.

Use precharged tubing kits,

RTE25

(25’) or

RTE40

(40’) or

RTE75

(75’). Select the length closest to the

needs of the particular installation.

The stacking kit required to place two like model cubers together is:

KSCME6-LG-B.

The kit required to

connect this ice machine to a central condenser is:

RCKCME6GX

BASIC INFORMATION

12.0"

4.0"

Side View

Baffle

«
1
2
3
4
...
»

Summary of Contents for CME1356R

Page 1: ...Add On Kit PAGE 13 Electrical PAGE 14 Plumbing PAGE 15 After Utility Connections PAGE 16 Component Location and Function PAGE 17 AutoIQ Controller PAGE 18 Initial Start Up PAGE 19 Adjustments PAGE 20 How To Operate The AutoIQ Controller PAGE 21 How The Electronic Cuber Works PAGE 22 Technicians Only Freeze Cycle Sequence PAGE 24 Technicians Only Harvest Cycle Sequence Other Notes PAGE 25 Sanitatio...

Page 2: ...e BH900 BH1366 BH1666 In addition there may be other bins that can be used check Scotsman s sales literature for application information Note Slope front bins must have an internal baffle Scotsman s BH900 has the required baffle Baffle must be approximately in the position shown in the diagram below CME1356R and CME1656R March 2010 Page 2 Model Number Dimensions W x D x H w o bin Basic Electrical ...

Page 3: ...L REMOTE ELECTRIC POWER SUPPLIES BEFORE SERVICING RISK OF ELECTRIC SHOCK M WARNING 17 87 in 45 4 cm 88 DIA KNOCKOUT REMOTE CONDENSER FAN REMOTE CONDENSER LIQUID LINE 3 8 MALE CPLG REMOTE CONDENSER DISCHARGE LINE 1 2 MALE CPLG WATER INLET 3 8 FLARE ICE OPENING ICE OPENING PLAN VIEW BACK VIEW 6 00 in 15 2 cm MINIMUM FOR UTILITY CONNECTIONS 6 00 in 15 2 cm MINIMUM FOR AIR VENTILATION 4 20 in 10 7 cm ...

Page 4: ...achines use more water than what ends up in the bin as ice While most water is used during ice making a portion is designed to rinse out the water system to keep hard water scale from clogging up the machine That water rinse combined with water filters prolongs the times between needed water system cleaning Service Technicians All models covered here come set from the factory with at a Standard wa...

Page 5: ...with food grade sealant Level the top edge of the bin front to back and left to right If the ice machine has not been unpacked do so now Remove the carton from the skid Remove shipping straps Remove the front panels and all packaging materials After all packing materials have been removed from the ice machine lift or hoist the machine onto the bin Align the sides and back of the machine with the s...

Page 6: ...tom of the ice machine with the two 3 pronged knobs supplied with the unit 6 Pull back into the ice machine any excess capillary tubing 7 Return the baffle to the bin and continue with the installation Note If the machine is located at an altitude higher than 2 000 ft adjust the thermostat by removing the plastic cover and rotating the adjustment screw per the table Route Bin Thermostat Bulb Into ...

Page 7: ...ttach Thermostat Bulb to Bracket Bin Thermostat Bracket Attach Bracket to Bottom of Ice Machine Minimize Excess Tube in Bin Bin Thermostat Capillary Tube Thermostat and Bracket Three Pronged Knob Mount Bulb Tip Here Mount Thermostat Capillary Tube Here ...

Page 8: ...nt to back support bracket over the left edge of the freezing compartment 11 Remove two existing screws and secure the bracket to the freezing compartment back panel and front channel with the 2 existing screws and 1 large and 4 small screws from the kit Both Machines 12 Place the top ice machine onto the bottom one Secure together with hardware from the top machine Remove left front and left side...

Page 9: ...356R and CME1656R May 2001 Page 9 Front to Back Support Bracket Gasket for Metal Edges of Bottom Unit Gasket on Plastic Walls of Lower Unit Shield Hanger Bracket Stacking Mounting Straps and Hardware Shield ...

Page 10: ...e and a 1 2 diameter discharge line Both ends of each line have quick connect couplings the end without access valves goes to the ice maker Note The openings in the building ceiling or wall listed in the next step are the minimum sizes recommended for passing the refrigerant lines through 2 Have the roofing contractor cut a minimum hole for the refrigerant lines of 2 Check local codes a separate h...

Page 11: ...meet these requirements must receive prior written authorization from Scotsman Do NOT Route a line set that rises then falls then rises Route a line set that falls then rises then falls Calculation Example 1 The condenser is to be located 5 feet below the ice machine and then 20 feet away horizontally 5 feet x 6 6 33 33 20 53 This location would be acceptable Calculation Example 2 The condenser is...

Page 12: ...threads are properly engaged 4b Using two wrenches one to rotate the swivel nut and one to hold the tubing in place tighten each coupling It is CRITICAL that ONLY the NUT on the pre charged tube be turned or the diaphragms will be torn by the piercing knives and become loose in the refrigeration system causing severe operational problems Note As the coupling is tightened the diaphragms in the quic...

Page 13: ... condenser 6 Thoroughly clean and lubricate the threads and diaphragms of both the condenser s and the kit s quick connects Use Polyolester oil 7 Mount the box to the condenser with the screws from the kit 8 Start the swivel nuts by hand Use a back up wrench to be certain that the tubing is NOT ROTATING Only the SWIVEL NUTS should be rotating Then use an adjustable wrench to tighten them until no ...

Page 14: ... box Note Central Condensers connected to more than one refrigeration system will likely have a wiring scheme to control the fan motor Follow those directions for condenser wiring Electrical connections are made in the junction box in the back of the cabinet 1 Remove the junction box cover 2 Knock out both holes for a field supplied strain relief 3 Install wires and strain reliefs per code Note Co...

Page 15: ...vere operational issues Check with the filter manufacturer When replacing a prior ice machine do NOT assume that the water flow capacity of the filter will be adequate All Drain Tubing Material must be RIGID Flexible tubing will eventually cause a restricted drain Drain All models have 1 gravity drain connection a 3 4 FPT fitting at the back of the cabinet Use only RIGID TUBING Flexible tubing may...

Page 16: ...nections been properly made with the correct size tubing ___ 5 Have all the drain connections been properly made ___ 6 Has the unit been leveled Level the unit at the bin ___ 7 Have all unpacking materials been removed ___ 8 Is the water pressure adequate ___ 9 Is the machine secured to the ice storage bin ___ 10 Is the bin control system been properly installed ___ 11 Have the drain connections b...

Page 17: ...rces the water from the reservoir to the top of the evaporator s The motor is kept separate from the water to minimize contact with moisture Hot Gas Valve Closed during freeze it opens during harvest to divert hot discharge refrigerant gas into the inlet of the evaporators Purge Valve Opens during the first part of harvest when the water pump restarts the water in the reservoir is diverted to the ...

Page 18: ...or remote fan motor and water pump are ON Harvest The refrigeration and water systems are operating to harvest the ice cubes While the compressor and fan motors are on for the full cycle the water pump will be off at the beginning and the inlet water valve will switch off before the end Clean Water valve opens to fill the reservoir The Water pump starts The Clean indicator light is switched ON A m...

Page 19: ...h off The pump will restart part way thru the harvest cycle The purge valve closes The Inlet water valve will open for a short time The Bin Full indicator light will go on and off as ice falls from the evaporators 8 Machines are shipped from the factory with the purge level set to accommodate average water conditions To achieve optimal machine performance set the purge level to the minimum setting...

Page 20: ...switches the machine Off 2 Push and hold the OFF button for more than 3 seconds just until all Lights flash on then release it Do not hold it in it too long 3 Examine the green Lights They should have all flashed once then certain ones will have turned on to indicate which purge level the machine is set at There are 5 levels of purge available 1 Maximum Purge is when All 5 lights are ON Use for ex...

Page 21: ... Button Pushing and releasing this button will cause the machine to empty the reservoir refill and leave only the water pump on for circulation of ice machine cleaner After the ice machine cleaner has circulated for about 10 minutes a second push of this button will switch on the rinsing system to flush out the dissolved scale and ice machine cleaner 4 Off Button Pushing and releasing this button ...

Page 22: ...ssor to the evaporator inlets At the same time a Harvest Bypass Valve opens for a few seconds to add the refrigerant needed for harvest After that the Harvest Bypass Valve and the closed Discharge Check Valve keeps the refrigerant in the condenser out of the Hot Gas Circuit This warms up the evaporators and the surface of the ice frozen to the evaporator surface melts Ice then falls into the bin T...

Page 23: ... next freeze cycle The AutoIQ Controller operates the ice machine by monitoring several input measures and switching various loads on and off Controller Inputs 1 Reservoir water temperature This is measured by a thermistor located in the water pump outlet 2 Discharge line temperature This is measured by a thermistor located on the compressor discharge line 3 Water level This is measured by an infr...

Page 24: ...toIQ Controller then measures how long it takes to lower the water level If the water level does not fall the machine Shuts Down on a Water Error 7 Once per freeze cycle the machine will shut off the water pump It only does this when the water temperature reaches a preset minimum The pump will only be off for a few seconds 8 As the machine makes ice the water level in the reservoir will ultimately...

Page 25: ...ch on the compressor for 30 seconds after 12 hours of off time to keep refrigerant out of the compressor oil Continuous Run Time A unit that operates 24 hours a day 7 days a week is too small for the user s needs To maintain harvest integrity the controller will extend the harvest time to 6 minutes every 15th consecutive harvest cycle Bin Thermostat for those units so equipped In normal ambients t...

Page 26: ...er the ice machine cleaner has circulated for 10 minutes push and release the Clean button This starts the rinsing process The Clean indicator light will be ON Note The rinse process flushes any residual cleaner out of the ice machine s water system 10 Continue the rinsing process for 20 minutes then push the off button to switch the machine off 11 Go to the next step to sanitize the machine or go...

Page 27: ...rtment and then place the lower end onto the reservoir wall To drain reservoir if desired 1 Remove front panel 2 Push and hold the Off button 3 Push and Hold the Clean Button for 3 Seconds to Activate Purge Valve 4 Push and release Freeze button 5 Return the front panel to its original position To Sanitize the Ice Storage Bin 1 Remove all ice 2 Remove baffle 3 Switch ice machine OFF or wait for it...

Page 28: ...s The Water Distribution Channels must be free from mineral build up If build up is evident scrub the channels with Scotsman Ice Machine Cleaner and a plastic bristle brush 9 Examine the water distributors Although they are made of a material that is resistant to mineral build up some may be present Soak or scrub the distributors in or with a solution of Scotsman Ice Machine Cleaner and warm potab...

Page 29: ...it does not the water valve inlet or other water device is restricted To Check the Inlet Water Valve Screen 1 Disconnect the electrical power 2 Shut off the water supply 3 Remove the left front panel 4 Unplug the electrical connection of the inlet water valve 5 Remove the screws holding the inlet water valve to the cabinet 6 Remove outlet tube from inlet water valve 7 Rotate inlet water valve from...

Page 30: ...ket check that they are clear of mineral build up They may be wiped clean with ice machine cleaner to assist in removal of the build up Note Do NOT use abrasive materials or cleaner on the ice sensor lenses A soft toothbrush works well to get into the hard to reach spots 8 Reverse steps 1 6 to reassemble To Clean the Remote Air Cooled Condenser 1 Disconnect and lock out the electrical power 2 At t...

Page 31: ...level sensor Unit is off on a Refrigeration Error Low discharge or long freeze cycle Check refrigeration Light If the Light is glowing there is a probable refrigeration problem fan motor could have failed Harvest problem Check refrigeration Light If the Light blinks once and repeats look for a harvest problem where some cubes were sensed Check refrigeration Light If the Light blinks two times and ...

Page 32: ...k for leak in reservoir Check for a leak thru the purge valve Low ice capacity Dirty condenser Clean condenser Recirculation of air Block air re circulation or move condenser Low refrigerant charge Check system If there is a low charge find the leak recover the refrigerant repair the leak replace the dryer evacuate and weigh in the nameplate charge Too much water Check for inlet water valve leak t...

Page 33: ...nnections if ok replace AutoIQ Controller Hot Gas Valve leaks thru warm tube temperatures on both sides of valve during freeze Mechanical problem in valve Replace valve Water Inlet Valve does not open Open solenoid coil Replace valve Stuck valve Replace valve No power to valve best checked at the beginning of Freeze Check wire connections if ok replace AutoIQ Controller Water Inlet Valve does not ...

Page 34: ...fan motor Clean the condenser repair the fan motor Extreme hot location Relocate the cabinet Extremely hot condenser location Move condenser or provide shade Overcharge of refrigerant Recover evacuate and weigh in the nameplate charge Hot gas valve leaks thru unit off on refrigeration error At the end of the freeze cycle there should be a definite difference in temperature between the inlet and ou...

Page 35: ...stance sharply when its temperature changes When the PTCR is cold it connects full current to the compressor s start winding After a very short time the PTCR heats up and shuts off the current flow Under normal conditions the PTCR s case is at about 180o F At that temperature the PTCR has very high resistance and will not allow current to flow It must cool down to about 120oF Before current will p...

Page 36: ...at point the superheat can also range or 4oF without affecting performance Hi Pressure Control Automatic Reset Hi Pressure Cut Out 450 PSIG Hi Pressure Cut In 350 PSIG Headmaster Valve Setting is 240 PSIG CME1356R and CME1656R March 2003 Page 36 0o F condenser air 70o F indoor air 55o F water 90o F condenser air 90o F indoor air 70o F water Freeze 11 12 16 17 Harvest 3 2 70o F condenser air 70o F ...

Page 37: ...at point the superheat can also range or 4oF without affecting performance Hi Pressure Control Automatic Reset Hi Pressure Cut Out 450 PSIG Hi Pressure Cut In 350 PSIG Headmaster Valve Setting is 240 PSIG CME1356R and CME1656R March 2003 Page 37 70o F condenser air 70o F indoor air 50o F water 90o F condenser air 90o F indoor air 70o F water Freeze 15 17 18 19 Harvest 2 2 70o F condenser air 70o F...

Page 38: ...ve 8 Reverse to reassemble 9 Push and release the Freeze button 10 Replace the front panel Water Pump 1 Disconnect the electrical power 2 Remove the front panel 3 Unplug water pump from its electrical connection 4 Remove 1 plastic bolt and the reservoir cover 5 Lift water pump up and disconnect outlet tube 6 Pull float ball from float stem it is a snap fit Pull stem out 7 Locate water level sensor...

Page 39: ...nt panel 3 Disconnect electrical power 4 Remove high voltage box cover 5 Locate timer board at the back of the high voltage box 6 Unplug all the wires to the board 7 Compress each of the four stand off posts to release the board from the stand offs 8 Remove the board from the unit Reverse to reassemble CME1356R and CME1656R March 2003 Page 39 Water Level Sensor Float Stem 1 Disconnect the electric...

Page 40: ...eeze button 11 Replace the front panel Electric Eyes Ice Sensors These must be replaced as a set 1 Remove both front panels 2 Push and release the Off button 3 Remove evaporator cover 4 Remove lower inner splash panel 5 Locate the back electric eye Pull out on the rectangular tab until the sensor is free of its installed position 6 Unplug the back sensor from its wire harness 7 Unplug the front se...

Page 41: ...6 from the compressor discharge port 4 Un snap the clip holding the sensor to the discharge line 5 Trace the sensor wires back to the controller they are plugged into 5 with the water temperature sensor and must be replaced with it 6 Reverse to replace be sure that the discharge line sensor is 6 up from the compressor discharge port The discharge line sensor is marked with yellow tape Note Route w...

Page 42: ...bracket The freezing compartment walls may be pushed apart slightly to make this easier 9 Push up enough on the left end of the bracket until it snaps into the vertical channel in the left side of the freezing compartment 10 Check that all evaporators are properly seated front and back 11 Remove the wire ties and return the splash panels hoses and evaporator cover to their normal positions Check t...

Page 43: ...igeration wrench and check that the valve stem is fully UP or OUT If recovering remove the schrader core before opening the valve 2 Remove the port caps and attach refrigerant manifold hoses 3 Open the valves and purge the hoses Note Open liquid line valve half way to access both sides of the liquid line 4 When service is complete shut the liquid line access valve first fully up Then with the mach...

Page 44: ... the scale 6 If all of the refrigerant charge has not been weighed into the discharge side it must be carefully added thru the low side Close the discharge service access valve 7 With a sight glass or charge faster in the hose to the low side port start the ice machine 8 Open the low side service access valve 9 Crack open the low side manifold valve and watch the scale and sight glass Open and clo...

Page 45: ... on it If so remove the ice and the machine should start in a few minutes To Manually Reset the machine 1 Remove the left front panel 2 Locate the AutoIQ Controller If a red diagnostic light is glowing note which one and its blink rate Then push and release the off button 3 Push and release the Freeze button 4 The machine should begin to operate If there is a lack of water it will soon shut off ag...

Page 46: ...s Controllers Scotsman has also added the new blue controller see PS 3 2002 to models CME306 and CME456 Water Level Sensor A new water level sensor is also being used on CME306 and CME456 Service parts for the ice sensors and water level sensor have not changed Ice machines built prior to this change are not affected The new sensors use will be phased in by model throughout 2002 Additional informa...

Page 47: ...er Once separated the lenses of the photo eyes can easily be cleaned with a soft cloth or cotton swab Ice machine cleaner may be used if needed Like the other style of sensor the photo eye part can be placed in the reservoir when the ice machine is being cleaned with ice machine cleaner When re assembling be sure that the wire is not sticking out past the edges of the sensor holder Sensor Holder ...

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