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FOR THE INSTALLER: Scotsman Remote Condenser

Locate the condenser as near as possible to the
interior location of the ice maker.

Location of the condenser is limited by the specific
length of precharged refrigerant tubing supplied for
the application. The pre-charged tubing connects
the icemaker to the remote condenser. The
condenser must be above the ice maker.

Select the best available location, protecting the
condenser from extremes of dirt, dust, and sun.

Meet all applicable building codes.

Roof Attachment:

Install and attach the remote condenser unit to the
roof of the building, using the methods and
practices of construction that conform to the local
building codes, including having a roofing
contractor secure the condenser to the roof.

Precharged Line Routing

/////////////////////////////CAUTION///////////////////////////////

Do not connect precharged tubing until all routing
and forming of the tubing is complete. See the
coupling instructions for connecting instructions.

////////////////////////////////////////////////////////////////////////////

1. Each set of precharged refrigerant lines consists
of a 3/8 inch diameter liquid line, and a 1/2 inch
diameter discharge line. Both ends of each line
have quick connect couplings, the end without
access valves goes to the icemaker.

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.

REFRIGERANT

CONNECTIONS

TYPICAL

INSTALLATION

LOCATE CONDENSER

NO LOWER THAN ICE

MACHINE

2. Have the roofing contractor cut a
minimum hole for the refrigerant lines of
1.75". Check local codes, a separate hole
may be required for the electrical power to
the condenser.

/////////////////////////////CAUTION//////////////////////////
//////

DO NOT KINK OR CRIMP REFRIGERANT
TUBING WHEN INSTALLING IT.

////////////////////////////////////////////////////////////////////////
////

3. Route the refrigerant lines through the
roof opening.

Follow straight line routing whenever
possible.

Any excess tubing MUST be retained
within the building.

4. Spiral any excess length of pre charged
tubing inside the building. Use a horizontal
spiral to avoid any traps in the lines.

5. Have the roofing contractor seal the
holes in the roof per local codes.

CMS1402R

September 1993

Page 5

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Содержание CMS1402R

Страница 1: ...fications 2 For the Installer Location Assembly 3 Stacking 4 For the Electrician 7 For the Plumber 8 Final Check List 9 Initial Start Up 10 Freeze Cycle Operation 12 Harvest Cycle Operation 13 Component Description 15 Cleaning 17 Specifications 19 Adjustments 20 Service Diagnosis 21 Removal and Replacement 25 Parts Lists and Wiring Diagrams are located in the center of this manual printed on yello...

Страница 2: ...hine is enamel sandalwood An optional stainless steel panel kit SPKCMS48 can be field installed It contains a stainless steel top left side panel an overlay right side panel and front panels Model Number Dimensions without bin W x D x H Basic Electrical Refrigerant Type Minimum Circuit Ampacity Maximum Fuse Size Refrigerant Charge R 22 Condenser Type CMS1402RE 3B 48 x 243 8 x 271 2 208 230 60 3 R ...

Страница 3: ...e the machine Do NOT push the bin into postion instead lift it there Pushing a bin may damage the legs and leg mounts Level the bin in both the front to rear and side to side directions by adjusting the leg levelers 3 Inspect the bin top mounting gasket which should be flat with no wrinkles to provide a good water seal when the cuber is installed on top of the bin Ice Maker Install the modular cub...

Страница 4: ... of gasket from the stacking kit to the top edge of the bottom ice machines evaporator compartment Install the panel retaining bracket onto the bottom ice machine before placing the upper unit on it Place additional gasket onto the top edges of the bottom ice machine Carefully lift the uncrated top unit onto the bottom one and align the two cabinets Use of a mechanical lift is recommended for this...

Страница 5: ...instructions 1 Each set of precharged refrigerant lines consists of a 3 8 inch diameter liquid line and a 1 2 inch diameter discharge line Both ends of each line have quick connect couplings the end without access valves goes to the icemaker 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 REFRIGER...

Страница 6: ...e line The 3 8 inch liquid line goes to the icemaker fitting marked liquid line Final Connections 3 Begin tightening the couplings together by hand then using two wrenches it is important that ONLY the nut on the precharged lines be turned the other parts of the couplings must NOT be allowed to turn or the process will tear out the diaphragms and they will be loose in the refrigeration system tigh...

Страница 7: ...icemaker The Scotsman remote condenser is designed to be powered from the ice machine There is a separate electrical junction box at the back of the ice maker for the remote condenser Wire the remote condenser to the ice maker in accordance with local and national electric codes All outdoor wiring must be in rainproof conduit The condenser fan motor will run whenever the compressor is running Elec...

Страница 8: ... good filter combined with a polyphosphate feeder gives about the best overall performance DRAIN Connections All drains are gravity type and must have a minimum of 1 4 inch fall per foot on horizontal runs The drains to be installed to conform with the local plumbing code Install a vertical open vent on drain line high point to insure good draining The ideal drain receptacle is a trapped and vente...

Страница 9: ...s the water supply line shut off valve installed and electrical wiring properly connected 9 Check all refrigerant lines and conduit lines to guard against vibration or rubbing and possible failure 10 Have the bin and cabinet been wiped clean 11 Has the Manufacturers Registration form been properly filled out Check for correct model and serial numbers from Serial nameplate then mail to the SCOTSMAN...

Страница 10: ... control box is the shaft of the timer and switch assembly Rotate the shaft of the timer clockwise until the actuator arm on the microswitch drops off outer cam into cam slot See Front View of Timer 6 Move the ICE OFF WASH to the ICE position 7 Check the water fill cycle For several minutes the inlet water valve will be open and water will flow into the reservoir Near the end of the fill cycle wat...

Страница 11: ... and water will result in faster ice making but require longer harvest cycles Do NOT adjust harvest time too short or the unit will not harvest all the ice The harvest time is set by loosening the set screw on the cam rotating the shaft to open or close the distance between the high part of the cams and retightening the set screw More of an opening between the cams high areas more harvest time An ...

Страница 12: ...ill complete the electrical circuit to the timer The timer then controls the remainder of the freezing cycle The timer will keep the icemaker operating in the freezing cycle for a selected length of time This will give the ice cubes time to fully form after that selected length of time the timer will switch the icemaker into the harvest cycle through the contacts of the timer assembly microswitch ...

Страница 13: ... effect of the hot gas condensing in each evaporator plate and the water cascading over the ice cubes The released ice cubes drop into the ice storage bin below At the end of the harvest cycle the timer cam will push the actuator arm to the microswitch IN If the ice level control is still CLOSED a whole new cycle will begin If the ice level control is OPEN the icemaker will begin to shut OFF Pump ...

Страница 14: ...Timer Timer Switch Assembly The function of the timer begins when activated by the cube size control The outer surface or large diameter lobe of the timer cam determines the timer cycle for finish freezing of the ice cubes while the inner surface or small diameter lobe determines the time cycle for the harvest cycle When the microswitch button is pushed in there is power connected to the coil of t...

Страница 15: ...t FULL it will not allow the machine to fill the bin any closer to the ice machine than about 8 and it will not work if the distance to the bottom of the bin is greater than 8 feet Because it uses sound waves a slight ticking sound can be heard coming from the bottom of the machine There are three parts to the control the transducer the circuit board and the ice level control switch FULL SOUND WAV...

Страница 16: ...ates Gravity flow returns the unfrozen excess portion of water to the sump reservoir for recirculation Hot Gas Solenoid Valve The hot gas solenoid valve functions only during the harvest cycle to divert the hot discharge gas from the compressor by passing the condenser for direct flow in the evaporator plates to release ice cubes from the ice cube molds The hot gas solenoid valve is installed in a...

Страница 17: ...ition 11 Remove the cap and drain the cleaning solution from the sump Replace the drain cap 12 Rotate the shaft of the timer and switch assembly CLOCKWISE to the harvest position low part of the cam against microswitch Move the ICE OFF WASH switch to the ICE position to start the Harvest cycle If after completing this procedure one or more evaporator plates does not have a full flow of water for e...

Страница 18: ...e cleaning solution and scub the scale off of the liner 4 After the scale has been removed rinse all of the surfaces inside the bin with clean potable water To sanitize the bin and ice machine Follow local codes for frequency of sanitizing Use an approved sanitizer and follow the directions and warnings of that santitizer or use the following instructions for use of household bleach if it meets lo...

Страница 19: ...Suction Pressure in Harvest 60 70 PSIG 70o F air and 50o F water 70 80 PSIG 90o F air and 70o F water Typical Discharge Pressure in Harvest 100 110 PSIG 70o F air and 50o F water 120 130 PSIG 90o F air and 70o F water Typical Compressor Amp Draw Single phase Beginning freeze 13 14 End of Freeze 11 12 Harvest 16 17 Three phase Three phase amps vary between 8 and 12 High Pressure Cut Out High pressu...

Страница 20: ...ube size control Rotating the shaft of the timer cam clockwise will allow putting the machine into either the freezing cycle or harvest cycle as required in the cleaning instructions To Adjust The Timer Switch Assembly The length of the harvest cycle can be changed by loosening the set screw on the cam and then rotating the shaft so that the opening between the cams change More of an opening betwe...

Страница 21: ...ve leaks through Replace inlet water valve See electrical adjustment See electrical adjustment Makes thick ice freezes up Water inlet valve restricted Clean or replace valve Low water pressure Check water filter or supply Sump covers out of position Re position sump covers Cubes too large Inlet water valve leaks through Replace inlet water valve See electrical adjustment See electrical adjustment ...

Страница 22: ...r stuck Replace timer Relay does not energize unit stuck in harvest Replace relay Long freeze cycle Water inlet valve leaks through Replace inlet water valve Water temperature too high Advise user Cubes too small Cube size set wrong Adjust cube size Cubes size control stuck closed Replace cube size control Cubes too large Water inlet valve leaks through Replace inlet water valve and adjust cube si...

Страница 23: ... in nameplate charge Hot gas valve leaks thru At the end of the freeze cycle there should be frost on the evaporator end of the hot gas tubes if not replace the hot gas valve Liquid and discharge lines are in contact with each other Separate and insulate them Unit shuts off before bin is full Bin Ice level control is set to Partial Move bin Ice level rocker switch to Full Compressor cycles on and ...

Страница 24: ...ower go to D D Disconnect electrical power and test ice machine circuit by attaching a jumper wire between bin thermostat posts on circuit board part no 12 1912 01 the circuit board with the timer on it Reconnect power If machine does not start go back to machine circuit If machine starts disconnect electrical power remove jumper wire and reconnect electrical power Then go to E E Transducer or ice...

Страница 25: ...nt for the left water distributor tube and notch also that the distributor manifold connections at the top center of each evaporator plate is snug against the top of the plate Cube Size Control To remove the cube size control 1 Remove front panel 2 Remove cover from control box 3 Trace capillary tube from the cube size control to the refrigerant suction line 4 Remove the coiled capillary tube bulb...

Страница 26: ...achine 2 Loosen and remove outlet water line from the inlet water solenoid valve assembly 3 Remove screws and pull the water solenoid valve out to gain access 4 Pull electrical cord from solenoid coil terminals 5 Remove inlet water fitting from the water solenoid valve To replace the inlet water valve assembly reverse the removal procedures Bin Ice Level Control Circuit Board 1 Disconnect Electric...

Страница 27: ...mportant on an ice machine than is the high side If gauges must be used use very short hoses Minimal refrigerant discharged into the hoses equals minimal refrigerant discharged into the air If hi side pressure must be checked use a quick connect at the end of the discharge hose to minimize the release of refrigerant J B Industires part number A33000 works well Scotsman s schrader valve caps must b...

Страница 28: ...his valve be certain that the valve is the cause of the problem 2 Remove the front panel 3 Discharge and reocver the refrigerant 4 Unplug the coil of the valve 5 With the refrigeration system open unsweat the valve from the tubing 6 Place the new valve in position 7 Wrap the new valve body with heat sink material Do not get any moisture in the valve 8 Carefully braze the valve to the tubing Examin...

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