Milnor BICWUT01 manual

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Table of contents for the manual

  • Page 1

    Published Document Numbe r: BICWUT01 • Specified Date: 20050118 • As-of Date: 20050118 • Access Date: 20050118 • Depth: de tail • Applicability: CWU • Language Code: EN G01, Purpose: publica tion, Format: 1c olA Document— Troubleshooting Basket Speed Errors on Single- motor Washer- extractors PELLERIN MILNOR CORPOR ATION POST OFFICE B[...]

  • Page 2

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  • Page 3

    PELLERIN MILNOR CORPORATION BICWUT01 (Published) Book specs- Dates: 20050118 / 20050118 / 20050118 Lang: ENG01 Applic: CWU Troubleshooting Basket Speed Errors on Single-motor Washer- extractors This document describes the proper procedure for troubleshooting errors related to basket motor speed on machines equipped with a single motor, an inverter,[...]

  • Page 4

    Troubleshooting Basket Speed Errors o n Single-motor Washer-extra ctors PELLERIN MILNOR CORPORATION Figure 1: Troubleshooting Spe ed Errors Process Chart Legend . Y. Yes N. No 1. Machine does not run at desire d speed. 2. Section 1: Is desired speed prog rammed in wash formula? A. Edit wash formula. 3. Section 2: Are inverter paramete rs correct fo[...]

  • Page 5

    PELLERIN MILNOR CORPORATION 1. Verify Programmed Speed Verify that the machine is programmed correctly . The desired basket speed is programmed on the second page of each wash formula step. Display or Action Explanation P Insert the programming key into the Run/Program keyswitch and turn the key 1/4 turn to the right. This accesses the Program Menu[...]

  • Page 6

    Troubleshooting Basket Speed Errors o n Single-motor Washer-extra ctors PELLERIN MILNOR CORPORATION Display or Action Explanation F01 T MMQFFFHC3WLL S S01 2 050150133110 0 The first page of step decisions includes the type and duration of the step, the desired temperature, water valves, fill action, bath level, and steam code. u Press u several tim[...]

  • Page 7

    PELLERIN MILNOR CORPORATION to increase the basket speed by two RPMs or decrease the speed by one RPM at each adjustment. These adjustments are made three seconds before the end of the programmed basket On time (programming decision XXX ). Because the speed is adjusted only one time per On time period, formulas programmed with On times near the max[...]

  • Page 8

    Troubleshooting Basket Speed Errors o n Single-motor Washer-extra ctors PELLERIN MILNOR CORPORATION Table 1: Model-Specific Data Machine Model Maximum Frequency Maximum Wash RPM Counts per RPM (C/RPM) Offset (D) 30022F_W 30022X_W 155 40 36030F_S 186 36030F_W 205 43 42026V_W 155 42032F_S 178 42032F_W 195 40 5 48040F_W 38 6 68036F_N 170 32 7 15 Impor[...]

  • Page 9

    PELLERIN MILNOR CORPORATION b. Calculate the desired counts for a basket speed of 24 RPMs: C d = [RPM d * (C/RPM)] + D C d = [24 RPMs * (6 counts per RPM)] + 15 159 = 144 + 15 c. Calculate the desired voltage: V d = C d / 409.5 0.3883 = 159 / 409.5 2. The DC voltage measured at the output termin als of the D-to-A board and at analog voltage input t[...]

  • Page 10

    Troubleshooting Basket Speed Errors o n Single-motor Washer-extra ctors PELLERIN MILNOR CORPORATION 4. If the value is correct at the D-to-A board but wrong at the inverter, check the wiring between the board and the inverter. 5. If the value is correct at both sets of terminals, troubleshoot the inverter. 5. Troubleshooting the Inverter 5.1. Verif[...]

  • Page 11

    PELLERIN MILNOR CORPORATION 6. Testing the Motor If the procedures described earlier in this documen t do not eliminate the error, have the motor tested by a reputable facility. — End of BICWUT01 —[...]