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©2013 Thermaco, Inc. All rights reserved  •  Patented/Patents Pending  •  Specifications subject to change without notice

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

MNL-ASTCU14000 19

Big Dipper

®

 Limited Warranty & Remedy

Thermaco, Inc. warrants to the original user that the products manufactured by it delivered with this warranty shall 

be free from material defects in workmanship and materials for a period of 12 months from the date of invoice to the 

distributor (if sold by an authorized Thermaco distributor) or the date of invoice to the purchaser (if sold directly by 

Thermaco, Inc.), but in no event longer than 15 months from date of shipment from Thermaco’s production facility.

Any claim must be made in writing to Thermaco at 646 Greensboro Street, Asheboro, NC  27203 promptly after 

discovery of the defect and within the applicable warranty period.  The product must be delivered, prepaid, to Ther-

maco, together with proof of purchase, the serial number from which the item was removed and a return authoriza-

tion number issued by Thermaco. If Thermaco determines upon examination that the component is defective and 

that the warranty conditions are met, Thermaco’s sole obligation under this warranty, and the purchaser’s sole and 

exclusive remedy, is the repair or replacement, at Thermaco’s option, of the defective component, including parts 

and labor.  The replacement will be furnished F.O.B. point of shipment. If Thermaco determines that the component 

is not defective or that the other conditions of this warranty are not met, then any return of such part to the purchaser 

shall be at purchaser’s cost.

This warranty shall not cover any defect in otherwise covered products resulting directly or indirectly from: (i) failure 

to properly install, operate or maintain the product in accordance with Thermaco’s instructions and procedures, 

including, without limitation, use in excess of rated flow, operation without timer control, improper electrical service, 

use to remove emulsified fats and oils or use that fails to comply with applicable laws, regulations or codes; (ii) dam-

age in transit, handling or installation; (iii) modifications, adjustments, repairs, or alterations made by unauthorized 

persons; or (iv) other causes not arising out of defects in workmanship or materials. 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 warranty does not cover equipment or parts not manufactured 

by Thermaco.  Purchaser’s costs relating to any service, adjustment, removal, repair, packing, or otherwise incurred 

with respect to the defect prior to submission for warranty are the responsibility of purchaser.

No distributor, sales person or other person is authorized to make any warranty statements on behalf of Thermaco 

regarding Thermaco products other than as set forth in this warranty.  This statement of warranty supersedes any 

quote, brochure, or other statement or document with respect to warranty of Thermaco products.   

EXCEPT AS  EXPRESSLY  SET  FORTH ABOVE, THERMACO,  INC.  MAKES  NO  REPRESENTATIONS,  WAR-

RANTIES OR GUARANTEES, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, AS TO 

MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, WHETHER OR NOT THERMACO HAD 

KNOWLEDGE OF PURCHASER’S PARTICULAR REQUIREMENTS OR NEEDS, OR WITH RESPECT TO ODOR 

GENERATION OR OTHER INCIDENTALS RELATING TO USE OF THE PRODUCT.

The sole and exclusive remedy with respect to this warranty any other claim relating to defects or any other con-

dition or use of Thermaco products, however caused, and whether such claim is based upon warranty, contract, 

tort, strict liability or any other theory, is LIMITED to the repair or replacement of the product, excluding labor or 

any other cost to remove or install said the product or, at Thermaco’s option, repayment of the purchase price.  IN 

NO EVENT SHALL THERMACO, INC. BE LIABLE, WHETHER IN CONTRACT, WARRANTY, TORT (INCLUDING 

NEGLIGENCE), STRICT LIABILITY, INDEMNITY OR ANY OTHER LEGAL THEORY, FOR INCIDENTAL OR CON-

SEQUENTIAL DAMAGES, OR FOR ANY OTHER LOSS OR COST OF A SIMILAR TYPE.  UNDER NO CIRCUM-

STANCES WILL THE AGGREGATE LIABILITY OF THERMACO FOR ANY CAUSE OF ACTION RELATED TO THE 

PRODUCTS COVERED HEREBY EXCEED THE NET PURCHASE PRICE RECEIVED BY THERMACO FOR THE 

PRODUCTS. Any action or suit by purchaser against Thermaco relating to Thermaco products must be brought 

within one (1) year of the date of the invoices referenced above. The exclusions and limitations set forth herein are 

separate and independent from any remedies which purchaser may have hereunder and shall be given full force 

and effect whether or not any or all such remedies shall be deemed to have failed of their essential purpose.

Summary of Contents for Big Dipper W-1250-AST

Page 1: ...51 F 336 626 5739 E mail info thermaco com Online www big dipper com Installation Operation Instructions For Big Dipper W 750 AST and W 1250 AST Automatic Solids Transfer AST Series Units Including 23...

Page 2: ...000 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 Operation 8 Plumbing Installation...

Page 3: ...kimming 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 5 38 mm in diameter are separated and flushed out of t...

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: ...r unit needs to be set for the proper automatic self cleaning operation for the facility The Big Dipper W 750 AST model is equipped with one 1 24 Hour 96 Event time controller while the W 1250 AST mod...

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: ...UNPLUG UNIT BEFORE REMOVING LID SYSTEM WILL NOT OPERATE UNLESS CENTER LID LATCHES ARE FASTENED Note W 750 AST has one 1 module W 1250 AST has two 2 modules 1 Unlatch the Unit lid Pull the side wings o...

Page 9: ...ope of 1 4 per foot 2cm per meter Use only sweep connections Don t reduce the pipe sizing on the outlet piping Don t install P trap on outlet connection of system Note The system already has a interna...

Page 10: ...ht Greater Than 6 feet 1 95m For installations where there is a significant amount of head height More than 6 ft 1 95 m Thermaco Inc recommends installation of the optional VFCA Vented Flow Control mo...

Page 11: ...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 This Big Dipper...

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

Page 13: ...N WHITE BLACK WHITE WHITE BLACK BLACK WHITE WHITE WHITE POWER SUPPLY CORD BLACK BLACK FULLY INSULATED QUICK CONNECT PIGGY BACK CONNECTOR FULLY INSULATED FEMALE CONNECTOR BLACK RED RED INTERCHANGE FULL...

Page 14: ...ensboro St Asheboro N C 27204 2548 Phone 336 629 4651 MNL ASTCU14000 14 Big Dipper AST System Wiring Diagram Junction Box Wiring Diagram For Big Dipper Model W 1250 AST POWER RING TERMINALS TO GROUND...

Page 15: ...sheboro N C 27204 2548 Phone 336 629 4651 MNL ASTCU14000 15 Big Dipper AST System Electrical Components Safety Switch Part MSS 7 Motor Part M 58 Heater Part H 8 Thermostat Part TSTAT 4 Power Indicator...

Page 16: ...el Wiper Assembly Part WWA 4 Skimming Wheel Assembly Part PDA 3 Wheel Drive Sprocket Part WDS 3 Big Dipper AST Lid Components With Wheel Cover Removed Wiper Blades 2 Part PB 3 Inlet Outlet Safety Swit...

Page 17: ...itch Part ESHS 1 Big Dipper AST System Component Identification Big Dipper AST System Component Identification Rear Electrical Enclosure Assembly Part REEA 1 Timer Cover Part MTC 1 Wheel Cover Part MS...

Page 18: ...125 FOR W 1250 AST LID GASKET PART RG 7 WIPER BLADES PART PB 3 W 750 AST requires two 2 W 1250 AST requires four 4 WHEEL WIPER ASSEMBLY PART WWA 4 WHEEL DRIVE SPROCKET PART WDS 3 SKIMMING WHEEL ASSEMB...

Page 19: ...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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