Big Dipper W-250-IS Specifications
Big Dipper® IS Point Source Automatic
1
2
3
4
1
2
END VIEW
24.20 in
1
2
3
4
2 in [50mm] PIPE
INLET/OUTLET
END VIEW
TOP VIEW
8.78 in
[222.9 mm]
2.53 in
[64.1 mm]
12.06 in
[306.3 mm]
VESSEL VENT WITH
1 in NPT CONNECTION
24.20 in
[614.8 mm]
25.53 in
[648.3 mm]
Ø2.375 in
[60.3 mm]
17.88 in
[454.0 mm]
4.94 in
[125.4 mm]
Grease Removal Systems
W-250-IS Specications
PRODUCT FEATURES
• Fully automatic self cleaning cycle. Actively removes collected grease & oils from tank without any operator assistance. Comes complete
with Digital Control user interface and easy-to-carry Grease Collector.
• Constructed of corrosion resistant materials suitable for installation in virtually any location. Attractive sanitary Stainless Steel exterior.
• Integrated Motor/Grease Outlet/Heater/Lid enables a fast, do-it-yourself unit operation reversal.
• Patent Pending Advanced Odor Protection design locks in odors from grease and solids.
• Compact footprint.
• Two (2) No-Hub Connectors provided.
SPECIFICATIONS
Construction: Exterior: 304 Stainless Steel, Bright Finish
Injection Molded Polymer
Interior: Rotationally Molded Polyethylene
Electrical: 115 VAC, 50/60 Hz, 1173 Watts (10.2 Amps)*
Electrical Cord Length: 8 feet
Flow Rating: 25 GPM (1.6 l/s)
No. of Skimming Wheels: 1
Skimming Rate: 9 Pounds (4.08 Kg) Per Hour
Grease Retention Capacity: 56.4 Pounds (25.6 Kg)
Internal Solids Strainer Capacity: 1.85 Gallons (7 Liters)
Inlet/Outlet: 2” (50 mm)
Product Weight: 48 lbs (21.7 Kg)
*For Additional Electrical Congurations, see Electrical Variations section on page 2.
SIDE VIEW
SIDE VIEW
END VIEW
[614.8 mm]
12.06 in
[306.3 mm]
4.94 in
[125.4 mm]
2.53 in
[64.1 mm]
VESSEL VENT WITH
1 in NPT CONNECTION
2 in [50mm] PIPE
INLET/OUTLET
8.78 in
[222.9 mm]
TOP VIEW
25.53 in
[648.3 mm]
26.75 in
[679.4 mm]
CLEARANCE FROM BOTTOM
OF TANK REQUIRED FOR
STRAINER BASKET AND
COVER REMOVAL
1.50 in
[38.1 mm]
©2019 Thermaco, Inc. • All rights reserved • Patented/Patents Pending • Specications subject to change without notice
7/19
GC-10
INLET
GREASE COLLECTOR
7.4 QUART [7L]
CAPACITY
OUTLET
10.50 in
[266.7 mm]
15.32 in
[389.1 mm]
18.79 in
[477.3 mm]
17.88 in
[454.0 mm]
INLET OUTLET
22.65 in
[575.3 mm]
®
Conforms to ASME Standard
ASME A112.14.3 and A112.14.4
Thermaco, Inc. • PO Box 2548 • Asheboro, NC 27204-2548 • (800) 633-4204 • www.big-dipper.com
®
Conforms to Performance
Requirements of
EN1825 Standard
Ø2.375 in
[60.3 mm]
TOP VIEW
1
Big Dipper® IS Point Source Automatic
1
2
3
Grease Removal Systems
W-250-IS Specications
22.88 in
[581.0 mm]
INSTALLATION NOTES
1. READ instruction manual included with system before
installing/operating.
2. Install unit allowing for the minimum clearances
4.00 in
[101.5 mm]
shown. Make sure there is sufcient space above
Internal Strainer access cover to remove the strainer
6.00 in
[152.3 mm]
6.00 in
[152.3 mm]
[minimum of 11.4” (290mm)]
3. Make piping connections with rubber “No Hub”
connectors.
17.88 in
[454.0 mm]
INLET
OUTLET
4. Keep outlet piping as straight as possible. Use only
“sweep” connections.
5. Install vent on outlet piping.
6. Fill the tank with water before energizing the power
to the motor and heater.
7. Do not install “P” Trap on outlet connection of tank
5.96 in
[151.5 mm]
4.00 in
[101.7 mm]
GC-10
GREASE
CONTAINER
(unit already has internal gas trap).
8. Do not reduce pipe size on outlet piping
9. Do not pressure test unit.
Equipment must be installed in compliance with all applicable laws, regulations and codes, including plumbing
codes. Installation should be performed by a qualied
plumbing contractor.
JOB SPECIFICATION
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.
AUTOMATIC GREASE REMOVAL DEVICE SPECIFICATIONS
Furnish and install ___ Thermaco Big Dipper Model No. W-250-IS, bright nish type 304 stainless steel exterior, rotationally
molded polyethylene interior automatic self-cleaning grease and oil recovery separator(s) for oor mounted or partially recessed
installation, rated to ASME A112.14.3 and/or PDI-G 101 standards at 25 gallons per minute (1.6 liters per second) peak ow with
56.4 Pounds (25.6 Kg) of grease capacity and including as an integral part of the unit, 2” (50 mm) inlet/outlet, 1 rotating gear
oleophilic/hydrophobic skimming wheel assembly for automatic grease/oil removal, ow control device, self-regulating electric
immersion heater with thermostatic control, 1” (25mm) vessel vent, integral gas trap, digital control for programmable operation,
eld reversible motor assembly and grease/oil sump outlet, quick release stainless steel lid clamps, fully removable polymer lid
with magnetic lid tensioners, internal polymer/stainless steel strainer basket for collection of coarse solids, polymer wiper blade
unit and a separate gasketted removable grease and oils collection container with carry handle and pouring spout. Electric assembly shall be tested to comply with pertinent sections of the Standards for Safety ANSI/UL 73 and/or ANSI/UL 1004. Electric
motor equipped with overload protection. Two (2) no-hub connectors for plumbing connection provided.
ELECTRICAL VARIATIONS
W-250-IS: 115V 50/60Hz, 1173 Watts (10.2 Amps)
W-250-IS-E: 230V 50/60Hz, 1173 Watts (5.1 Amps)
SUBMITTAL OPTIONS
FS-1 Point Source Flat Strainer (3.4 Gallons of additional solids storage capacity)
ESU-1 External Strainer (1.16 Gallons of additional solids storage capacity)
HAG-2 Horizontal Air Gap Assembly with 2” connection (comes with 3 ow restrictors for sink drains)
HAG-BA-1 Solids Strainer Baskets for use with HAG-2 Assembly (Specify Quantity based on Number of Sinks: ___)
SFK-1 Support Frame Kit, stainless steel construction
7/19
©2019 Thermaco, Inc. • All rights reserved • Patented/Patents Pending • Specications subject to change without notice
Thermaco, Inc. • PO Box 2548 • Asheboro, NC 27204-2548 • (800) 633-4204 • www.big-dipper.com
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