Dexter T-450 Express manual

8514-226-001 REV A page 1 COMMERCIAL WASHER MODEL T-450 EXPRESS VENDED C-SERIES CONTROL OPERATOR’ S MANUAL INSTALLATION & OPERATION INSTRUCTIONS Please re ad this informat ion and reta in for reference. WARNING - THIS WASHER IS EQUIPPED W ITH DEVICES AND FEA TURES RELATING TO ITS SAFE OPERA TION. TO AVOID INJURY OR ELE CTRICAL SHOCK, DO NOT P[...]

8514-226-001 REV A page 2 TABLE OF CONTENTS Page No. Washer Specifications 2 Mounting Dimens ions 3 Installation Instructions 4 Operating Instructions 8 Programming the Washer Control 10 Displayed Washer Faults 24 Servicing and Troublesh ooting 30 Accessories and Contact Information 34 WASHER SPECIFICATIONS MODEL T-450 EXPRESS 30 LB. WASHER CAPACIT[...]

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8514-226-001 REV A page 4 INSTALLATION INS TRUCTIONS All washers mus t 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 PERSONNE L ONLY. TO AVOID INJURY AND ELECTRICAL SHOCK DO NOT PE RF[...]

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8514-226-001 REV A page 6 PLUMBING Water supply hoses are fu rnished with each machin e. The threaded connections on the hoses are ¾-11 ½ NHT. Separate hot and cold wat er lines mu st be provided, maintaining 30 psi to 120 psi (207 kPa to 827 kPa) water flow pressure. A 140 F (60C) degree hot water supply is recomme nded for best washing results [...]

8514-226-001 REV A page 7 FUSING REQU IREMENTS: SINGLE- and THREE -PHASE 20 8-240V AC MODELS - 15 AMP TIME-DELAY (DUAL ELEMENT) FUSE (or equivalent circui t breaker) CONTROLS TRANS FORMER The controls transformer is located inside the control trough and steps a range of 208 to 240 volts down to 115 v olts. There are two terminals on the controls tr[...]

8514-226-001 REV A page 8 OPERATING INSTRUC TIONS - STARTING THE WASHER A. Load the clothes into the cylinder and latch the door securely. Be sure clothing does not get caught between the door gasket and tub front when closing the door. Maximum load is 30 pounds clothes, dry weight. Do not load the washer with more than 30 lbs . B. Select the appro[...]

8514-226-001 REV A page 9 EMERGENCY STOP / SAFETY DO OR LOCK This machine is equipped with a Safety Door Lock that locks the door closed from when the cycle is started until the cycle is complete. The door lock prevents openin g the door for up to 3 minutes if the power is in terrupted during the cycle. The Emergency S top button pa uses the washer[...]

8514-226-001 REV A page 10 PROGRAMMING THE WASHER CONTROL The washer control can be programmed to prompt the user for alternate vend prices, change washer cycle time s, temperatures and many other options. This can be accomplished in two ways: 1. Manual programming utilizing the “Start”, “Hot”, “Wa rm” and “Cold” buttons 2. USB down[...]

8514-226-001 REV A page 11 When manual programming mode is ente red, the “Start”, “Hot”, “Wa rm” and “Cold” buttons perform alternate functions. Button Name Alternate Function in Programming Mode Start Becomes the action to accept the displayed option or the “Enter” key Hot Becomes the action to move UP through displayed options[...]

8514-226-001 REV A page 12 Quick Test Option: When the Qui ck Test Option is chosen, the washe r will begin a shortened wash cycle without the displayed vend price bein g met. The purpose of this shortened cycle is to test all major components for proper operation. Error Codes should all function normally duri ng this test. The display will show cu[...]

8514-226-001 REV A page 13 Prices Option: This option allows the user to set values for coin acceptor inputs and to set the vend price. It also allows the user to return the values to factory defaults. After changing prices using the “Up” or “Down” buttons, the “Enter” button must be pressed again for the control to store the changes th[...]

8514-226-001 REV A page 14 Cycles Option: This option allows the user to set the bath time and spin time for the “Wash” bath. It also allows the user to set bath time, water temperature and spin time for “Rinse” and “Final rinse” baths. (Water temperature for the “Wash” bath is chosen by the cus tomer using the “Hot”, “Warm”[...]

8514-226-001 REV A page 15 3. “Delay Spin” is me ant to be used in applications where the amount of drain capacity is limited. In these cases the washe r cannot empty the tub in sufficien t time to allow for a spin cycle to occur. When a time value (other than 0) is programmed for the “Delay Spin” option, the end of each bath will be extend[...]

8514-226-001 REV A page 16 Plus Cycle Options: The “Plus Cycle” options allow for the us er to prompt t he customer for varying ve nd prices based on additional wash baths chosen. In general, the user can program the additional wash baths in a similar manner to what w as described in the “Cycle s” Options section. It also allows the user to[...]

8514-226-001 REV A page 17 “Final Rinse” bath. If the customer does not mee t the vend price of the “Extra Rinse” feature, the prompt will time out and the “Extra Rinse” bath will not occur. The figure below sh ows the sub menu options for Plus Cy cle Options:[...]

8514-226-001 REV A page 18 Settings: The “Settings” options allow for the user to make various programming changes to change how the control operation affects the customer. See bel ow for detailed information on each next leve l option. 1. “Decimal Point”- If the user programs the Decim al Point to “OFF”, contro l display will not show [...]

8514-226-001 REV A page 19 press the “Enter” button to move to the minutes. Once the hours and minute are both chosen, the “Enter” button must be hel d down for 3 seconds to confirm that RTC is meant to be reset to the complete entry. 7. “Date”- Similar to “Time”, if a problem occurs and the RTC dat e is not accurate, it can be rese[...]

8514-226-001 REV A page 20 Usage Menu: The Usage men u allows for the user to track data ab out machine usage. See bel ow for detailed information on each sub menu option. 1. “Coin Audit”: The coin audit field shows the accumulation of coin pulses that were sent to the control over each of the left and right coin inputs. Note that this is a cou[...]

8514-226-001 REV A page 21 The figure below sh ows the sub menu options for U sage:[...]

8514-226-001 REV A page 22 Control Menu: The Control menu allows for the us er to observe important technical information for the control. No changes can be made at this menu. See below for detailed information on each sub menu. 1. “Serial Number”: This is the control serial number. 2. “MAC Address”: The MAC Address is a unique iden tifier [...]

8514-226-001 REV A page 23 COIN WASHER DEFAU LT CYCLE The following table shows the complete details for the coin washe r default cycle. Bath Bath Cycle Time (min.) Water Temp. Delay Fill Spin Time (min.) Prewash 0 Cold Off 0 Wash 9 Warm Off 0 Extend Wash 0 n/a n/a n/a Rinse 4 Cold Off 1 Final Rinse 5 Cold Off n/a Extra Rinse Spin n/a n/a n/a 0 Ext[...]

8514-226-001 REV A page 24 DISPLAYED WASHER FAULTS Displayed Fault Code Description DOOR LOCK ERROR Door Lock Error Condition This error is when the Door Locked signal is not received wit hin one second after the start of the cycle. A fter three a ttempt s to start the washer . Delay Immedia te Action When the error occurs, the Door Lock Motor will[...]

8514-226-001 REV A page 25 Condition Invalid washer size jumper (ha rness) configuration. COMM ERROR2 Wrong Washer Size Jumper Configuration Delay Immedia te (after the wrong size jumper configuration is read). W asher size/t ype inputs are read only at power up, before starting a cycle, once every 24 hours, and in factory test m ode. Action Stop t[...]

8514-226-001 REV A page 26 COMM ERROR5 VFD Communication Fault Condition This error is a da ta error on com munications betw een the controller and the VF drive Delay Delay time is 12 seconds. Action Stop the machine a nd clear the cycle. Keep the d oor locked until the machine ha s stopped m oving and then unlock the door. Solu tion The CE errors [...]

8514-226-001 REV A page 27 Condition This error is when the drive size doe s not match the washer size . DRIVE ERROR1 Washer size/ VFD size mismatch Delay Immedia te. (after the size jumper configuration is read). Wa sher size/type inputs are re ad only at po wer up, before start ing a cycle, once every 24 hours and in factory test mode Action Stop[...]

8514-226-001 REV A page 28 DRIVE OV VFD Over- voltage Fault Condition This error is over-voltage on the V F drive Delay Delay time is 35 seconds. Action Stop the machine a nd clear the cycle. Keep the d oor locked until the machine ha s stopped m oving and then unlock the door. Solution Step 1: Measure the supp ly voltage to t he VFD on the L1, L2 [...]

8514-226-001 REV A page 29 DRIVE GFI VFD Ground Fault Condition This error is a ground fault interrup tion on the VF drive Delay Delay time is 12 seconds. Action Stop the machine a nd clear the cycle. Keep the d oor locked until the machine ha s stopped m oving and then unlock the door. Solution Check VFD light code before turning off power. Check [...]

8514-226-001 REV A page 30 SER VI CIN G AND T RO U BL ESH OO TI NG CAUTION: Label all w ires prior to d isconnection when servicing controls. Wiring er rors can cause improper a nd dangerous ope ration. Ver ify proper operati on after servicing. A T T E N TI O N . L or s d e s o p é ra ti o n s d ' e n tr et i e n d e s c o m ma nd es , é ti[...]

8514-226-001 REV A page 31 Door will not open Thermoactuator Check to see if therm oactuator a nd its mechanism are stuck or binding and not allow ing the door lock mot or to open. Check to be sure that the locking thermoactuat or is not receiving 120VAC d uring the last 1 1/2 minute s of the cycle. Also check to see tha t the unlocking thermoactua[...]

8514-226-001 REV A page 32 Water does not flush softener compartment. Water V alve Coil Check coil continuity at term inals and repla ce if no continuity. Water Inle t Screens Check water i nlet screens for blockage and clean if necessa ry. Water Check to insure that water is turned on and oper ating. Pressure Switch Check pressure swit ch continui[...]

8514-226-001 REV A page 33 IMPORTANT TRANSIENT VOLTAGE SURGE SUPPRESSORS Like most ele ctrical equipment your new machine can be damaged or have its life shortened by voltage surges due to lightning strikes which are n ot covered by factory warranty. Local power distribution problems also can be detrimental to the life of electrical components. We [...]

8514-226-001 REV A page 34 ACCESSORIES INSTALLATION: (Furnis hed) QTY. 9990-0 27-011 Hose, Water Supply 2 8641-2 42-000 Washer, Inlet Hose 2 9565-0 03-001 Strainer, Inlet Hose 4 Contact distributor or Dexter Laundry, Inc. if a steel-mounting base is require d. For service and parts information, contact your local Dexter agent. To find your local De[...]