Thermaco Big Dipper W-250-AST Installation & Operation Instructions Download Page 16

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Thermaco, Inc. • 646 Greensboro St. • Asheboro, N. C. 27204-2548 • Phone (336) 629-4651

MNL-ASTPS14000 16

PROPERLY

DISPOSE OF

CONTENTS

DAILY

Big Dipper

AST System

Replacement Parts

Big Dipper

AST System Replacement Parts

NOT SHOWN:

MOTOR (1 per unit)

PART# M-58

M-58-230 (For 230 VAC Units)

HEATER (1 per unit)

PART# H-8

H-8-230 (For 230 VAC Units)

THERMOSTAT (1 per unit)

PART# TSTAT-4

INTERNAL FLOW CONTROL

PART #MFC-25 FOR W-250-AST

LID GASKET

PART# RG-7

WIPER BLADES

PART# PB-3

• W-250-AST requires two (2)

WHEEL WIPER ASSEMBLY*

PART# WWA-4

WHEEL DRIVE SPROCKET*

PART# WDS-3

SKIMMING WHEEL ASSEMBLY*

PART# PDA-3

ATMOSPHERIC VACUUM BREAKER

PART# VB-AST-12

EDUCTOR PUMP SOLENOID VALVE

& SOLENOID COIL

PART# SOL-AST-120

MOTOR JOG SWITCH*

PART# MJS-1

ENERGY SAVER HEATER SWITCH*

PART# ESHS-1

STRAINER ASSEMBLY

FOR MODEL#

USE PART#

W-250-AST

BA-250-AST

GREASE/OILS COLLECTION CONTAINER*

FOR W-250-AST USE PART# GC-7

TIMER (Under Cover)*

FOR ALL MODELS USE PART# ETC-1

*Note:

W-250-AST system requires one (1)

Summary of Contents for Big Dipper W-250-AST

Page 1: ...00 633 4204 V 336 629 4651 F 336 626 5739 E mail info thermaco com Online www big dipper com Installation Operation Instructions For the Big Dipper W 250 AST Automatic Solids Transfer AST Series Unit...

Page 2: ...Phone 336 629 4651 MNL ASTPS14000 2 Table of Contents Table of Contents AST System Overview 3 AST System Maintenance 5 AST Timer Operation 6 AST System Troubleshooting 7 How To Reverse AST System Ope...

Page 3: ...self cleaning operation activating the skimming wheel at a user set time Only the cleaned water exits the unit and flows into the facility drain lines Incidental food solids less than 1 25 mm in diame...

Page 4: ...mer on the unit is no longer operating and should be replaced If pressing the button does nothing then there may be a problem with the motor assembly Please contact Thermaco or your local service agen...

Page 5: ...cumulated solids Be sure to spray down both the inside and outside surfaces of the strainer assembly E Check the thickness of the grease layer at the top of the unit If there is more than a 1 2 12 mm...

Page 6: ...allation is complete the Big Dipper unit needs to be set for the proper automatic self cleaning operation for the facility The Big Dipper W 250 AST model is equipped with one 1 24 Hour 96 Event time c...

Page 7: ...5 minutes per day There is a Power Indicator Light under the Timer which indicates that Power is reaching the unit If this light is not Red power is not reaching the unit 2 Remove the lid and clean aw...

Page 8: ...er AST System Unit Operation ALWAYS UNPLUG UNIT BEFORE REMOVING LID SYSTEM WILL NOT OPERATE UNLESS CENTER MODULE IS IN PLACE 1 Unlatch the Unit lid Pull the side wings outward 2 Lift the center module...

Page 9: ...sible Assure that outlet pipe has at least a slope of 1 4 per foot 2 cm per meter Use only sweep connections Don t reduce the pipe sizing on the outlet piping Don t install P trap on outlet connection...

Page 10: ...ad height is greater than 6 feet 1 95 m NOTE Drawing for reference only Equipment must be installed in compliance with all applicable laws regu lations and codes including plumbing codes Installation...

Page 11: ...lectrical circuit controlled by a ground fault circuit breaker There is a Power Indicator Light that will glow Red if power is being fed to the unit If this light is off power is not reaching the unit...

Page 12: ...ULLY INSULATED FEMALE CONNECTOR BLACK RED RED INTERCHANGE FULLY INSULATED QUICK CONNECTORS TO CHANGE HEATER OPERATING MODE RED WIRE TO THERMOSTAT GIVES SIMULTANEOUS HEATER MOTOR OPERATION BLACK WIRE T...

Page 13: ...Thermaco Inc 646 Greensboro St Asheboro N C 27204 2548 Phone 336 629 4651 MNL ASTPS14000 13 Big Dipper AST System Electrical Components Safety Switch Part MSS 7 Motor Part M 58 Heater Part H 8 Thermo...

Page 14: ...vers In Place Big Dipper AST Lid Components With Wheel Cover Removed Note W 250 AST system requires one 1 Hinged Skimming Wheel Cover Motor Electrical Cover Timer Cover Grease Collector Strainer Baske...

Page 15: ...h Part MJS 1 Energy Saver Heater Switch Part ESHS 1 Big Dipper AST System Component Identification Big Dipper AST System Component Identification Timer Cover Part MTC 1 Wheel Cover Part MSC 1 Wheel Wi...

Page 16: ...Units THERMOSTAT 1 per unit PART TSTAT 4 INTERNAL FLOW CONTROL PART MFC 25 FOR W 250 AST LID GASKET PART RG 7 WIPER BLADES PART PB 3 W 250 AST requires two 2 WHEEL WIPER ASSEMBLY PART WWA 4 WHEEL DRI...

Page 17: ...s Thermaco shall not be respon sible for damage to products resulting from vault flooding sewer line back up pumping or lift station failure ambient water flow or other sources of water damage This wa...

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