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4
D
Installation & Operation Instructions
For Big Dipper 51000 Series
with Advanced Maintenance Assistant
Models W-250-AST, W-750-AST, and W-1000-AST
C
B
A
4
Copyright ©2020 Big Dipper
AFE
(Including 230 VAC Units)
A Big Dipper W-1000-AST

THIS DRAWING CONTAINS PROPRIETARY AND PATENTED MATERIAL. THIS DRAWING MAY NOT BE REPRODUCED IN WHOLE OR PART WITHOUT
WRITTEN CONSENT FROM THERMACO, INC. POSSESSION OF THIS DRAWING DOES NOT CONSTITUTE THE RIGHT TO MANUFACTURE.
POSSESSION OF THIS DRAWING DOES CONSTITUTE AN IMPLIED NONDISCLOSURE AGREEMENT BETWEEN THERMACO, INC. AND THE HOLDER OF
THIS DRAWING. DO NOT DESTROY THIS DRAWING, IT IS THE SOLE PROPERTY OF THERMACO, INC. AND MUST BE RETURNED UPON REQUEST.
Thermaco, Inc. • P.O. Box 2548 • Asheboro, NC 27204
®
Toll Free: (800) 633-4204 • V: (336) 629-4651 • F: (336) 626-5739
info@thermaco.com • www.big-dipper.com
3
646 GREENSBORO STREET
PO BOX 2548, ASHEBORO, NC 27203
VOICE 336-629-4651 FAX 336-626-5739
3
*
Please consult Thermaco, Inc. for specific models
tested, certified and/or listed by these organizations.
2
Unless otherwise specified
DRAWN
Dimensions are in inches
Tolerances
Angular
Decimals
ENGINEERING
.XX +/- .03
+/- 1°
.XXX +/- .015
MATERIAL (UNLESS NOTED)
CHECKED
FINISH (UNLESS NOTED)
PART NO.
2
®
Complies with C22.2
No. 68-09 & UL 73(9th Ed.)
Part# MNL-AST51000
DATE
SIZE
C
SCALE

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Summary of Contents for Big Dipper 51000 Series

  • Page 1 Installation & Operation Instructions For Big Dipper 51000 Series with Advanced Maintenance Assistant Models W-250-AST, W-750-AST, and W-1000-AST (Including 230 VAC Units) A Big Dipper W-1000-AST  Unless otherwise specified DRAWN DATE 646 GREENSBORO STREET Dimensions are in inches Tolerances...
  • Page 2: Table Of Contents

    51K with Advanced Maintenance Assistant Table of Contents Table of Contents Advanced Maintenance Assistant Overview Caring for Your Advanced Maintenance Assistant Advanced Maintenance Assistant Digital Control Operation Advanced Maintenance Assistant Function Operation Advanced Maintenance Assistant Troubleshooting How To Reverse Advanced Maintenance Assistant Operation Plumbing Installation Vented Flow Control Installation...
  • Page 3: Advanced Maintenance Assistant Overview

    These problems jeopardize normal operations as well as create health and safety hazards within the facility itself. The proper installation of a Big Dipper System can reduce or eliminate grease problems. Use of the Big Dipper assures minimization and/or elimination of costly sewer surcharges and fines through efficient separation and removal of free-floating grease &...
  • Page 4 (A) Empty the clear plastic grease/oils collection container (located on the front of the unit) prior to its be- coming full once each day. The Big Dipper recovers grease and oil virtually water-free so that they can be recycled. The collector container should be washed periodically so as to maintain the easy viewing trans- lucent characteristic of the collector.
  • Page 5: Advanced Maintenance Assistant Digital Control Operation

    • 3+5 - When lights 3 and 5 are both illuminated, the unit will skim for 60 minutes every 4 hours Selecting Default or Extreme skimming To toggle between the two skimming levels remove power from the Big Dipper® either by unplugging the unit or lifting the center module to open the interlock switch. Reapply power while holding the Select Skim Mode button depressed.
  • Page 6: Advanced Maintenance Assistant Function Operation

    Advanced Maintenance Assistant Operation Big Dipper models with Advanced Maintenance Assistant function to flush solids of a certain size out of the unit and into the sewer collection system where it can be dealt with properly, while not interfering with the regular separation and isolation of free floating fats, oils, and grease.
  • Page 7: Advanced Maintenance Assistant Troubleshooting

    Big Dipper for the application. (4) If excessive sediment has collected on the bottom Excessive water observed in the grease collection of the unit, clean the unit as described in item 3 in “Big...
  • Page 8 51K with Advanced Maintenance Assistant How To Reverse Big Dipper with ® Advanced Maintenance Assistant Operation How To Reverse Big Dipper Advanced Maintenance Assistant Operation ® *ALWAYS UNPLUG UNIT BEFORE REMOVING LID **SYSTEM WILL NOT OPERATE UNLESS CENTER MODULE IS IN PLACE...
  • Page 9: Plumbing Installation

    The Centrifugal Pump used. Note: When a Big Dipper is servicing multiple must be connected to the inlet piping. Keep outlet fixtures, some codes require separate flow controls piping as straight as possible.
  • Page 10 Sites with Upstream Facility Vents Sites using facility vents upstream of the Big Dipper unit do not require the use of a vessel vent. In this case, the open inlet design of the unit works in conjunction with the facility vent to facilitate air movement into and out of the interior grease interceptor air space and prevents air bound conditions from occurring.
  • Page 11 Advanced Maintenance ® Assistant Plumbing Installation Sometimes space restrictions require the installation of Big Dipper units in basement locations where significant head pressure becomes a factor. The Big Dipper VFCA Vented Flow Control module provides an option for ®...
  • Page 12 51K with Advanced Maintenance Assistant VFCA Vented Flow Control Installation Instructions FLOW CONTROL VENT MAY BE CONNECTED TO ATMOSPHERE VENT OR CODE-APPROVED AIR ADMITTANCE VALVE.* TO BE INSTALLED ABOVE SINK FLOOD RIM. *Air Admittance Valves are not permitted in some locations. Check local plumbing code to determine if they are permitted by state or local plumbing code.
  • Page 13 Digital Time Controller while the W-1000 with Advanced Maintenance Assistant is equipped with two (2) Push Button Digital Time Controllers. The push button control is located on top of the lid of the Big Dipper next to the skimming wheel (See Digital Timer Operation Instructions pg 5). The Big Dipper should only be plugged into a properly grounded 3-prong 120 VAC or 230 VAC outlet.
  • Page 14: Safety Instructions

    51K with Advanced Maintenance Assistant Big Dipper ® Safety & Grounding Instructions Important Safety Instructions WARNING When using electric appliances, basic precautions should always be followed, including the following: a) Read all instructions before using the appliance. b) Do not contact moving parts.
  • Page 15 51K with Advanced Maintenance Assistant Big Dipper ® Grounding Instructions Grounding Instructions 115 V Units This appliance is for use on a nominal 115 V circuit, and has a grounding plug that looks like the plug illustrated in drawing A below. A temporary adapter, which looks like the adapter illustrated in drawing B and C, may be used to connect this plug to a 2-pole receptacle as shown in sketch B if properly grounded outlet is not available.
  • Page 16: Advanced Maintenance Assistant Wiring Diagram

    51K with Advanced Maintenance Assistant Big Dipper with Advanced Maintenance ® Assistant Wiring Diagram Wiring Diagram For Center Module Advanced Maintenance Assistant Control Black, 18AWG Green, 16AWG White, 18AWG Heater Motor White, 14AWG Thermistor Black, 14AWG J5 for 115V N...
  • Page 17 51K with Advanced Maintenance Assistant Big Dipper with Advanced Maintenance ® Assistant Wiring Diagram: Centrifugal Pump Wiring Diagram For Advanced Maintenance Assistant Centrifugal Pump ZONE REV RING TERMINALS TO GROUND STUD ON TANK COVER MOTOR CONNECTOR CABLE ADVANCED ADVANCED MAINTENANCE...
  • Page 18 51K with Advanced Maintenance Assistant Big Dipper with Advanced Maintenance ® Assistant Wiring Diagram Junction Box Wiring Diagram For Big Dipper W-1000 with Advanced Maintenance Assistant * Receptacles may differ depending on specific electrical configurations needed. ©2020 Thermaco, Incorporated All rights reserved • Patented/Patents Pending • Specifications subject to change without notice 646 Greensboro St.
  • Page 19 51K with Advanced Maintenance Assistant Big Dipper with Advanced Maintenance ® Assistant Electrical Components Printed Circuit Board PCB-3 Adapter Board (not pictured) Rear Plate PCCAB-3 RP-1 Ribbon Cable,  Unless otherwise specified DRAWN DATE 646 GREENSBORO STREET Dimensions are in inches...
  • Page 20: Advanced Maintenance Assistant Component Identification

    51K with Advanced Maintenance Assistant Big Dipper with Advanced Maintenance ® Assistant Component Identification Electrical Enclosure Cover (Includes User Interface and Flip Door) EECA-115* Adapter Board (not pictured) PCCAB-3 Wheel Wiper Assembly WWA-5 Magnet for Com- plete Lid Assembly MLEM-2 Heater H-12*...
  • Page 21 51K with Advanced Maintenance Assistant Big Dipper with Advanced Maintenance ® Assistant Component Identification Wheel Support Cotter Pin Wheel Drive Shaft CP-1 Sprocket WSS-3 WDS-3 Micro Safety Switch Cover MSSC-1 Skimming Wheel Assembly PDA-3 ©2020 Thermaco, Incorporated All rights reserved • Patented/Patents Pending • Specifications subject to change without notice 646 Greensboro St.
  • Page 22 51K with Advanced Maintenance Assistant Big Dipper with Advanced Maintenance ® Assistant Replacement Parts Big Dipper with Advanced Maintenance Assistant Replacement Parts ® SOLIDS BASKET FILTER USER INTERFACE (Under Cover) FOR MODEL# USE PART# SEE PREVIOUS PAGES REGARDING W-250-AST BA-51K-250AST REPLACEMENT PARTS FOR ELECTRICAL W-750-AST &...
  • Page 23 51K with Advanced Maintenance Assistant Big Dipper Limited Warranty & Remedy ® Thermaco Incorporated (“Thermaco”) warrants to the original user that (i) the tank, wrap, lid ends, grease collector, and in- ternal strainer assembly of the product manufactured by Thermaco and delivered with this warranty (the “Product”) shall be...

This manual is also suitable for:

W-250-astW-750-astW-1000-ast

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