622.3 mm
Big Dipper® AST Central Automatic
3
2
Grease Removal Systems
4
C
W-1250-AST Specifications
D
MOTOR/DIGITAL CONTROL
ENCLOSURE
4” (100 mm) PIPE
INLET/OUTLET
5.35 in
135.9 mm
B
C
17.50 in
444.5 mm
A
END VIEW
4
29.08 in
16.50 in
8.75 in
222.3 mm
52.40 52.40
in in
1331.01331.0
mm mm
B
3
2
• Constructed of corrosion resistant materials
suitable for installation in virtually any
location. Attractive sanitary Stainless Steel
exterior.
DRAWN
ENGINEERING
MATERIAL (UNLESS NOTED)
60.00 in
1524.0 mm
REV. NO.
SCALE
1
Unless otherwise specified
Dimensions are in inches
Tolerances
646 GREENSBORO STREET
PO BOX 2548, ASHEBORO, NC 27203
VOICE 336-629-4651 FAX 336-626-5739
Angular
+/- 1°
Decimals
.XX +/- .03
.XXX +/- .015
OF
DATE
DRAWN
T MCBRIDE
ENGINEERING
24.50 in
622.3 mm
CHECKED
SIZE
PART NO.
C
0.5” (13 mm) NPT FEMALE WATER CONNECTION
• Easy lift grease collectors simplify grease
collection container emptying.
TOP VIEW
• Compact footprint.
60.00 in
1524.0 mm
5.35 in
135.9 mm
24.50 in
622.3 mm
TECHNICAL DATA
Materials:
Exterior: 304 Stainless Steel, Bright Finish
B
Interior: Rotationally Molded Polyethylene
115 VAC, 50/60 Hz, 1055 Watts (9.1 Amps)*
Electrical:
8.75 in
222.3 mm
Maximum
16.50 inInlet Flow Rate:
419.1 of
mm
Number
Skimming Wheels:
125 GPM (7.89
l/s)
4.00 in
101.6 mm
2
Skimming Rate:
40 Pounds (18.16 Kg) Per Hour
Grease Retention Capacity:
17.50 in
444.5 mm
A
300+ Pounds (136 Kg)
Eductor Pump Operation Water Requirements:
52.40 in
1331.0 mm
50 PSI min., 12 GPM
(3.45 Bar min., 0.75 l/s) A
*For Additional Electrical Configurations, see TElectrical 7/14/14
Variations section on page 2.
W-1250-AST-SD
646 GREENSBORO STREET
PO BOX 2548, ASHEBORO, NC 27203
VOICE 336-629-4651 FAX 336-626-5739
Unless otherwise specified
Dimensions are in inches
Tolerances
Decimals
.XX +/- .03
.XXX +/- .015
Angular
+/- 1°
4
DATE
ENGINEERING
MCBRIDE
©2015 Thermaco,
Inc.
• PROPRIETARY
All rights
reserved
• Patented/Patents
• Specifications
subject to change without notice
THIS DRAWING
CONTAINS
AND PATENTED
MATERIAL. THIS DRAWING
MAY NOT BE REPRODUCED IN WHOLE ORPending
PART WITHOUT
WRITTEN CONSENT FROM THERMACO, INC. POSSESSION OF THIS DRAWING DOES NOT CONSTITUTE THE RIGHT TO MANUFACTURE.
MATERIAL (UNLESS NOTED)
6/15
DRAWN
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.
CHECKED
SIZE
REV. NO.
DWG NO.
C
PO Box 2548 • Asheboro, N. C. 27204-2548 • Phone (336) 629-4651 • North America: (800) 633-4204
3
2
1
[email protected] • www.big-dipper.com
FINISH (UNLESS NOTED)
PART NO.
SCALE
BR-1250
MATERIAL (UNLESS NOTED)
FINISH (UNLESS NOTED)
OUTLET
2
3
THIRD ANGLE PROJECTION
SHEET
RELEASE DATE
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.
• Integrated Motor/Grease Outlet/Heater/Lids
enables fast, do-it-yourself unit operation
reversal.
DWG NO.
PART NO.

INLET
SIZE
CHECKED
FINISH (UNLESS NOTED)
55.40 in
1407.2 mm
A
DATE
7/14/14
W-1250-AST-SD
MCBRIDE
1
C
Angular
+/- 1°
Decimals
.XX +/- .03
.XXX +/- .015
2
• Fully automatic self cleaning cycle. Removes
A
collected grease, oils & solids from tank
without any operator assistance. Comes
complete with two Digital Controls and
Grease Collectors.
4
B
T
SIDE VIEW
Unless otherwise specified
Dimensions are in inches
Tolerances
646 GREENSBORO STREET
PO BOX 2548, ASHEBORO, NC 27203
VOICE 336-629-4651 FAX 336-626-5739
3
FEATURES:
4.00
in
738.5 mm
101.6 mm
DUAL GC-6
GREASE
COLLECTORS
6 QUART (5.7 L)
CAPACITY EA.
21.75
in mm
419.1
552.5 mm 16.50 in
419.1 mm
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.
4
C
BOTTOM OF TANK REQUIRED FOR
STRAINER BASKET AND LID REMOVAL
16.00 in
406.4 mm
B
D
60.00 in
1524.0
37.75”mm
(959 mm) CLEARANCE FROM
5.35 in
135.9 mm
24.50 in
622.3 mm
RELEASE DATE
1
THIRD ANGLE PROJECTION
SHEET
OF
SCALE
REV. NO.
RELEAS
Big Dipper® AST Central Automatic
Grease Removal Systems
W-1250-AST Specifications
INSTALLATION INFORMATION
4
3
2
1
Allow a minimum of 12” (304.8 mm) clearance
from top of tank for removal of unit lid.
Suggested Minimum Footprint Dimensions
D
READ instruction
manual included with system
D
before doing anything.
Install unit allowing for the minimum clearances
shown.
6.00 in
152.4 mm
4.00 in
101.6 mm
52.40 in
1407.2 mm
Provide a min. 50 PSI, 12 GPM (3.45 Bar min.,
0.75 l/s) Water Supply for solids pump operation
6.00 in
152.4 mm
Make sure the height above the
Internal Strainer Access Cover is enough to
remove the strainer.
C
B
A
Requirements
Make pipingC connections with rubber “No Hub”
connectors.
17.85 in
453.4 mm
Keep outlet piping as straight as possible. Use
only “sweep” connections.
Install vent on outlet piping.
Fill the tank with water before energizing the
power to the motor and heater.
GC-6 GREASE
COLLECTORS
7.22 in
183.3 mm
Set Programmable Digital Controls for proper
operating times.
B
4.00 in
101.6 mm
Do Not Insall “P” trap on outlet connection of tank.
(Note: the unit already has an internal gas trap.
Do Not Reduce pipe size on outlet piping.
Job Specification:
NOTE: Drawing for reference only. Equipment must be installed in compliance with
all applicable laws, regulations and codes,
including plumbing codes. Installation should
be performed by a qualified plumber.
Grease and oils separator(s) shall be Thermaco Big Dipper automatic
grease/oil recovery system(s) as manufactured by Thermaco, Inc.,
Asheboro, North Carolina as noted on plans.
Separator Specifications:
646 GREENSBORO STREET
PO BOX 2548, ASHEBORO, NC 27203
VOICE 336-629-4651 FAX 336-626-5739
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.
Unless otherwise specified
Dimensions are in inches
Tolerances
Decimals
.XX +/- .03
.XXX +/- .015
Angular
+/- 1°
DRAWN
A
DATE
7/14/14SMFD-W-1250-AST
T
MCBRIDE
ENGINEERING
MATERIAL (UNLESS NOTED)
CHECKED
SIZE
FINISH (UNLESS NOTED)
PART NO.
C
REV. NO.
DWG NO.
THIRD ANGLE PROJECTION
Big Dipper Model No. W-1250-AST,
bright finish type 1304 stainless steel exterior, rotationally
4Furnish and install ___ Thermaco
3
2
molded polyethylene interior automatic self-cleaning grease and oil recovery separator(s) for floor mounted or partially recessed
installation, rated at 125 gallons per minute (7.89 l/s) peak flow, 300 pounds (136 Kg) of grease capacity and including as an
integral part of the unit, two rotating gear hydrophobic wheel assemblies for automatic grease/oil removal, an integral flow
control device, two self-regulating enclosed electric immersion heaters, a vessel vent, an integral gas trap, two digital controls
for programmable operation, field reversible motor locations, field reversible grease/oil sump outlets, quick release stainless
steel lid clamps, a gasketted and fully removable 304 stainless steel lid, lift-out filter basket access, an eductor transfer pump
controlled by repeat cycle timer, and two separate grease and oils collection containers. Eductor pump shall be supplied
with a 0.5” (13mm) female connector for attachment to facility-supplied water supply. Eductor pump shall be supplied with
an approved vacuum breaker. Electric assembly shall be tested to comply with pertinent sections of the Standards for Safety
ANSI/UL 73 and/or ANSI/UL 1004. Each electric motor equipped with overload protection.
SCALE
RELEASE DATE
SHEET
OF
Electrical Variations:
W-1250-AST: W-1250-AST-E: 115V 50/60Hz, 1055 Watts (9.1 Amps)
230V 50/60Hz, 1055 Watts (4.6 Amps)
©2015 Thermaco, Inc. • All rights reserved • Patented/Patents Pending • Specifications subject to change without notice
2
PO Box 2548 • Asheboro, N. C. 27204-2548 • Phone (336) 629-4651 • North America: (800) 633-4204
[email protected] • www.big-dipper.com
6/15