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SOFTMOUNT INDUSTRIAL WASHER
MODEL S-975 EXPRESS PLUS
ON-PREMISE O-SERIES CONTROL
WARNING - THIS WASHER IS EQUIPPED WITH DEVICES AND FEATURES RELATING TO ITS SAFE
OPERATION. TO AVOID INJURY OR ELECTRICAL SHOCK, DO NOT PERFORM ANY SERVICING UNLESS
QUALIFIED TO DO SO.
IT IS THE RESPONSIBILITY OF THE OWNER TO CHECK THIS EQUIPMENT ON A FREQUENT
BASIS TO ASSURE ITS SAFE OPERATION.
A machine should NOT be allowed to operate if any of the following occur:
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Excessively high water level.
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If machine is not connected to a properly grounded circuit.
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If the door does not remain securely locked during the entire cycle.
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Vibration or shaking from an inadequate foundation.
WARNING - SAFETY PRECAUTIONS
Do not operate washer before removing the shipping braces.
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Always shut off power and water supply before servicing.
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Do not overload the washer.
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Do not open door when cylinder is in motion or it contains water.
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Do not bypass any safety devices of this washer, including the maximum displacement switch.
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Do not use volatile or flammable substances in or near this washer.
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Keep all panels in place. They protect against shock and injury and add rigidity to the washer.
PREVENTIVE MAINTENANCE REQUIREMENTS
DAILY
Check that the loading door remains securely locked and cannot be opened during an entire
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cycle.
Clean the top, front, and sides of the cabinet to remove residue.
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Clean the soap dispenser and lid and check that all dispenser mounting screws are in-place and
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tight.
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Check the loading door for leaks. Clean the door seal of all foreign matter.
Leave the loading door open to aerate the washer when not in use.
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QUARTERLY
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Make sure the washer is inoperative by switching off the main power supply.
Check the suspension springs and dampers for wear. Retighten bolts if necessary.
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Check the V-belts for wear and proper tension.
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Clean lint and other foreign matter from around motor.
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Check all water connections for leaks.
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Check the drain valve for leaking and that it opens properly.
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Wipe and clean the inside of the washer and check that all electrical components are free of
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moisture and dust.
Remove and clean water inlet hose filters. Replace if necessary.
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Check anchor bolts (if used). Retighten if necessary.
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IMPORTANT: Replace all panels that were removed to perform daily and/or quarterly maintenance.
8514-305-001 REV PR PAGE 1
OPERATOR'S MANUAL
INSTALLATION & OPERATION
INSTRUCTIONS
Please read this information and retain for reference.
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Related Manuals for Dexter Laundry S-975 EXPRESS PLUS
Summary of Contents for Dexter Laundry S-975 EXPRESS PLUS
- Page 1 SOFTMOUNT INDUSTRIAL WASHER MODEL S-975 EXPRESS PLUS ON-PREMISE O-SERIES CONTROL OPERATOR’S MANUAL INSTALLATION & OPERATION INSTRUCTIONS Please read this information and retain for reference. WARNING - THIS WASHER IS EQUIPPED WITH DEVICES AND FEATURES RELATING TO ITS SAFE OPERATION. TO AVOID INJURY OR ELECTRICAL SHOCK, DO NOT PERFORM ANY SERVICING UNLESS QUALIFIED TO DO SO.
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Page 2: Table Of Contents
TABLE OF CONTENTS WASHER SPECIFICATION SHEET ................ 3 INSTALLATION INSTRUCTIONS ................4 FLOORING REQUIREMENTS ................4 REMOVAL OF SHIPPING BRACES ..............5 MACHINE DIMENSIONS: ................9 PLUMBING ....................10 DRAIN ....................... 10 PROTECTIVE FILM ..................10 ELECTRICAL ....................10 2.7.1 INSTALLING THE ELECTRICAL CONNECTION ......... -
Page 3: Washer Specification Sheet
WASHER SPECIFICATION SHEET S-975: S-975 Capacity Dry Weight Capacity - lb (kg) (27.2) Cylinder Volume - cu ft (L) (254.9) Speed High Extract Speed - g (RPM) (969) Intermediate Extract Speed - g (RPM) (375) Washing Speed - g (RPM) (43) Motor Size - hp (kW) Dimensions Cabinet Height - in (cm) -
Page 4: Installation Instructions
INSTALLATION INSTRUCTIONS All washers must be installed in accordance with all local, state and national building, electrical, plumbing and other codes in effect in the area. WARNING: THESE INSTALLATION AND SERVICING INSTRUCTIONS ARE FOR USE BY QUALIFIED PERSONNEL ONLY. TO AVOID INJURY AND ELECTRICAL SHOCK, DO NOT PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN THE OPERATING INSTRUCTIONS, UNLESS QUALIFIED. -
Page 5: Removal Of Shipping Braces
REMOVAL OF SHIPPING BRACES Do not remove the shipping braces before placing the machine in its installed location. Do not run the machine with the shipping braces in place. Severe damage and physical injury may occur. Steps to remove the (5) shipping braces: ... - Page 6 Next, remove the white hat-shaped brace from this corner of the frame by removing (3) bolts and nuts as shown below (Do not remove or loosen the bolts that secure the dampers (shocks): Next, remove the white hat-shaped brace from the other rear corner of the frame by removing (3) bolts and nuts as shown below (Do not remove or loosen the bolts that secure the dampers (shocks):...
- Page 7 Next, remove the white hat-shaped brace from the front corner of the frame by removing (3) bolts and nuts as shown below (Do not remove or loosen the bolts that secure the dampers (shocks): Next, remove the white hat-shaped brace from the other front corner of the frame by removing (3) bolts and nuts as shown below (Do not remove or loosen the bolts that secure the dampers (shocks):...
- Page 8 Save all (5) braces and fasteners. If the machine needs to be moved in the future, replace all braces before moving it. Re-install the lower service panel on the front of the washer and the lower panel on the rear of the washer. 8514-305-001 REV PR PAGE 8...
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Page 9: Machine Dimensions
MACHINE DIMENSIONS: 2.3.1 S-975 Industrial Washer Dimensions 8514-305-001 REV PR PAGE 9... -
Page 10: Plumbing
PLUMBING Water supply hoses are provided with each machine. The threaded connections on the hoses are ¾-11 ½ NHT. Separate hot and cold water lines must be supplied to the machine, maintaining 30 psi to 120 psi (207 kPa to 827 kPa) water flow pressure. A 140°F (60°C) hot water supply is recommended for best washing results. -
Page 11: Electrical Connections
WARNING: SHUT OFF POWER AND WATER BEFORE OPENING ANY SERVICE PANELS. ELECTRICAL CONNECTIONS 8514-305-001 REV PR PAGE 11... -
Page 12: 2.7.1 Installing The Electrical Connection
If power is 208-240V-3PH-60Hz, connect L1, L2, L3 and Ground. If there is a high leg, it must NOT be connected to L1 or L2. However, failure due to a voltage surge on the high leg is not covered by equipment warranty. Contact Dexter Laundry with any questions. 2.7.1.4 If power is 208-240V-1PH-60Hz, connect L1, L2 and Ground. -
Page 13: Injection Source Connections
INJECTION SOURCE CONNECTIONS The washer control may be programmed to send ten 120VAC output signals for a chemical injection system. The signals are not intended as a power source and must be limited to less than 100 milliamps of current. There is a separate terminal block for connection of the external injection signals. -
Page 14: Operation Check
OPERATION CHECK After all mounting, plumbing and electrical work is completed, select any desired wash cycle and run the machine through a complete wash cycle. Check for water leaks and verify proper operation. During intermediate spin and final spin, the cylinder should turn in a counterclockwise direction when viewed from the front of the machine. -
Page 15: Maximum Displacement Switch Check
2.10 MAXIMUM DISPLACEMENT SWITCH CHECK After the washer is properly installed, the maximum displacement switch should be checked for functionality. The switch (black plunger) is located behind the front panel on the left side of the washer tub. WARNING – DO NOT bypass this switch to operate the washer First check that the switch is fully pulled out, then start a wash cycle. -
Page 16: Operating Instructions
OPERATING INSTRUCTIONS 2.11 STARTING THE WASHER 2.11.1 Turn on power to the washer. 2.11.2 Load the laundry. Place laundry into the cylinder and latch the door securely by pushing the door close and then turning the door handle counterclockwise. Be sure laundry does not get caught between the door gasket and tub front when closing the door. -
Page 17: Emergency Stop / Safety Door Lock
2.13 EMERGENCY STOP / SAFETY DOOR LOCK This machine is equipped with a safety door lock that locks the door when the cycle is started until the cycle is complete. The door lock prevents opening the door if the power is interrupted during the cycle. The Emergency Stop button ends the cycle and allows the door to be opened after the Safety Door Lock releases. -
Page 18: Variable Frequency Drive Indicators
2.14 VARIABLE FREQUENCY DRIVE INDICATORS There are three small colored LEDs located on the upper region of the Variable Frequency Drive (VFD). They are labeled as “READY”, “RUN”, and “FAULT” and can be used for troubleshooting. The definitions of the LEDs are listed in the table below. LED Status Washer Condition Steady Yellow... -
Page 19: Machine Programming Instructions
MACHINE PROGRAMMING INSTRUCTIONS ENTER PROGRAMMING MODE 3.1.1 In the cycle selection screen, scroll to Management View at the beginning of the cycle list and select enter. 3.1.2 Enter Passcode and confirm by pressing enter. 3.1.3 Select desired option. 3.1.3.1 Example EDIT CYCLES Cycles may be edited in the Edit Cycles selection. -
Page 20: Washer Error Messages
WASHER ERROR MESSAGES The O-Series washer control reacts to various abnormal conditions by displaying an Error message. These messages usually contain the “Error” text, and then a general description of the message. Below is a listing of Error messages separated by each potential displayed message in bold face. - Page 21 Reset the Error and return the machine to Idle Mode. TEMP SENSOR SHORT Condition This error occurs when the control detects a short circuit from the temperature sensor. Action When detected, the control turns off the motor and all relays. There is no delay in the action once the criteria are met.
- Page 22 will also be turned off. Otherwise the cycle will continue normally. There is no delay in the action once the criteria are met. Exit The Error Code will continue to be displayed until the in-progress cycle is stopped and the control is returned to Idle Mode. It will then reset automatically.
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Page 23: Graphics Software
Exit The machine will not start and the Error Code will continue to be displayed until the prompt is followed to Reset the Error Code and return the Machine to Idle Mode. If the prompt to Reset is not available, power must be cycled to the machine to reset the error. GRAPHICS SOFTWARE Condition This error occurs when the Graphics Board cannot command the... - Page 24 Mode. MODEL JUMPER/ DRIVE SIZE MISMATCH Condition This error occurs when the jumper connections to Ground (Pin 7) on the Model Jumper Header do not match the VFD size code. Action When detected, the control turns off the motor and the heating relay.
- Page 25 DRIVE OVERVOLTAGE Condition This error occurs when the control receives a message that the drive has experienced an over voltage condition. Action When detected, the control turns off the motor and all relays. There is no delay in the action once the criteria are met. Exit The machine will not start and the Error Code will continue to be displayed until the condition no longer exists and the prompt is...
- Page 26 followed to Reset the Error Code and return the Machine to Idle Mode. DRIVE INTERNAL Condition This error occurs when the control receives a message that the drive has experienced an internal error. Action When detected, the control turns off the motor and all relays. There is no delay in the action once the criteria are met.
- Page 27 displayed until the prompt is followed to Reset the Error and return the machine to Idle mode. SLOW SPIN Condition This error occurs when the motor does not reach a target frequency while accelerating, within a specified time. Action When detected, the control turns off the motor and machine motion stops.
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Page 28: Excessive Vibration
EXCESSIVE VIBRATION Condition This error occurs when excessive vibration is detected or the out of balance circuit from the VFD to the main control board is compromised. Action When detected, the control turns off the motor and all relays. There is no delay in the action once the criteria are met. Exit The machine will not start and the Error Code will continue to be displayed until the condition no longer exists and the prompt is... -
Page 29: Out Of Service
OUT OF SERVICE Condition This error occurs when the user has designated that the machine control should be made inoperable. Action When detected, the control turns off the motor and all relays. There is no delay in the action once the criteria are met. Exit The machine will not start, and the Error Code will continue to be displayed the user changes the Out of Service state. -
Page 30: Troubleshooting - Review For Needed Changes
TROUBLESHOOTING – REVIEW FOR NEEDED CHANGES CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing. ATTENTION: Lors des opérations d'entretien des commandes, étiqueter tous les fils avant de les déconnecter. - Page 31 Door will not Door locking open mechanism No hot water Water Valve Check coil continuity at terminals and replace in detergent Coil if no continuity. 120 VAC power (60Hz) only dispenser on for 20 second in wash bath. (24 VAC for 50 Hz models) Water Inlet Check water inlet screens for blockage and...
- Page 32 the size and water fill level of the machine, these LEDs will turn on as the water level increases. If water level is empty, no LEDs should be on. Water comes Drain Valve Check these areas: in but level (open) •...
- Page 33 Excessive Flooring Check the strength of flooring or mounting vibration base (if used). Drive Belt Worn drive belt can cause vibration and noise. Out Of Check for an open circuit in the wiring Balance Circuit between the VFD and the J8 connector on the main control board.
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Page 34: Transient Voltage Surge Suppressors
TRANSIENT VOLTAGE SURGE SUPPRESSORS IMPORTANT Like most electrical equipment your new machine can be damaged or have its life shortened by voltage surges due to lightning strikes which are not covered by factory warranty. Local power distribution problems also can be detrimental to the life of electrical components. -
Page 35: Service And Parts
9565-003-001 Strainer, Inlet Hose Contact distributor or Dexter Laundry, Inc. if a steel-mounting base is required. For service and parts information, contact your local Dexter agent. To find your local Dexter agent, use the Distributor Locator at the website shown below. If a Dexter agent is not available, contact Dexter Laundry, Inc.
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