Thermaco W-200-IS Installation Manual

Installation & Operation Instructions

1

2

3

4

17.85 in

453.4 mm

25.85 in

656.6 mm

For Big Dipper 40000 Series

Internal Strainer (IS) Units

Models W-200-IS, W-250-IS, W-350-IS and W-500-IS

(Including 230 VAC Units)

Part# MNL-ISPS40000

®

Copyright ©2016 Big Dipper® Thermaco, Inc. • P.O. Box 2548 • Asheboro, NC 27204

Toll Free: [phone] • V: [phone] • F: [phone]

AEA

* Please consult Thermaco, Inc. for specic models

tested, certied and/or listed by these organizations.

[e-mail] • www.big-dipper.com

40000 Series

Table of Contents

Table of Contents

IS System Overview 3

IS System Maintenance 4

IS Digital Control Operation 5

IS System Troubleshooting 7

How To Reverse IS System Operation 8

Plumbing Installation 9

Vented Flow Control Installation 11

Electrical Installation 12

IS System Wiring Diagram 13

IS Component Identication 14

IS Replacement Parts 16

Limited Warranty 17

©2016 Thermaco, Inc. All rights reserved • Patented/Patents Pending • Specications subject to change without notice

Thermaco, Inc. • 646 Greensboro St. • Asheboro, N. C. 27204-2548 • Phone [phone]

MNL-ISPS40000 2

40000 Series

Big Dipper® Internal Strainer (IS)

System Overview

Big Dipper Internal Strainer System Overview

The Thermaco, Inc. Big Dipper® Automatic Grease and Oils Removal System removes free-oating

grease & oils from kitchen drain water ows. As most food
service facility managers already know, grease buildup within a
building’s plumbing drainage system is a major cause of prob­lems due to drain line blockages. 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
nes through efcient separation and removal of free-oating
grease & oils. In addition, the Big Dipper also helps reduce or
eliminate pumping and disposal costs associated with conventional grease separators or intercep­tors. The recovered grease & oils are substantially water-free and are suitable for recycling by local
rendering and/or biodiesel companies.

The Big Dipper system is an automatic, self-cleaning device. As greasy kitchen efuent drains from
kitchen xtures, the unit contains the grease & oils. These separate from the efuent and rise to the
surface of the separator tank. The unit automatically skims the contained grease & oils and transfers
the grease & oils to a collection container. A digital control maintains the self cleaning operation,
activating the skimming wheel periodically based on the setting chosen. Only the “cleaned” water
exits the unit and ows into the facility drain lines. The Big Dipper IS automatic systems operate most
efciently when servicing single xtures such as a 1 to 3-compartment sink or a pre-rinse station.

The Big Dipper system’s compact footprint allows installation directly at the source where grease
problems originate. The system design also allows easy maintenance and operation requiring only
a minimal amount of daily and weekly maintenance to maintain peak operating performance.

The Big Dipper system design allows for maximum installation exibility. Reversing the system op­eration is a simple as rotating the cover assembly of the unit.

Hydromechanical grease interceptors*, grease separators, automatic recovery units, grease removal
devices and other similar plumbing devices receiving kitchen ows from sinks, oor drains, woks and
other food bearing sources may generate odors. There are many factors inuencing odor evolu­tion and dissemination. These include room ventilation, kitchen menu, ambient temperatures, ware
washing practices, grease/oil input, daily input uid volume, sanitizers, installation plumbing design
and product maintenance/upkeep. Odors are usually prevented by good area ventilation, frequent
uid inputs, good product maintenance practices and proper product installation. Additional steps,
including aeration, chlorination, improved area ventilation and additional maintenance control, may
be needed at some sites.

*Devices formerly referred to as grease traps are now called hydromechanical grease interceptors.

©2016 Thermaco, Inc. All rights reserved • Patented/Patents Pending • Specications subject to change without notice

Thermaco, Inc. • 646 Greensboro St. • Asheboro, N. C. 27204-2548 • Phone [phone]

MNL-ISPS40000 3

40000 Series

Big Dipper® Internal Strainer (IS)

System Maintenance

Big Dipper® Internal Strainer (IS) System Maintenance

*CAUTION! DISCONNECT POWER TO UNIT BEFORE CLEANING

to prevent damage to the unit and personal injury

*NOTE: Before energizing unit after cleaning, ll tank with water

to protect wipers and heater from damage

Daily Maintenance:

(A) Empty the clear plastic grease/oils collection container (located beside the unit) prior to its be­coming 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 translucent characteristic of the collector.

(B) The internal strainer basket should be removed and emptied into a garbage container by shaking
briskly. Wash the inside and outside surfaces of the strainer after emptying.

Weekly Maintenance:

(A) Check the collection trough and the wiper blades for any solids build-up. Wipe off any accumulated
deposits and assure that the wiper blades are clipped in place properly.

(B) Press the Start button (on the bottom of the user interface) momentarily to ensure that the motor
and skimming wheel are still operating correctly.

(C) Check the thickness of the grease layer at the top of the unit. There should be no appreciable
amount of grease or oil left in the tank immediately after the daily automatic skimming cycle. If there
is more than a 1/2” (13 mm) thick layer of grease after the skimming cycle, this indicates a need to
increase the skimming time. Increase the digital control settings accordingly until a clean unit ap­pearance is obtained after the automatic skimming cycle. A simple guide is to change to the next
higher setting (Light [I] to Moderate [II] or Moderate [II] to Heavy [III]) and run for a period of time until
enough grease is being skimmed from the tank.

Quarterly Maintenance:

(A) The internal strainer basket in the unit is designed to remove incidental solids from kitchen drain
ows. Over a period of time, sediment consisting of very ne particles may begin to accumulate on the
bottom of the unit. If this build-up is allowed to continue, it may eventually block the outlet bafe. To
prevent this from occurring, remove the lid and stir the bottom of the unit with a long handled spatula
while water is owing to ush out the sediment. Occasionally drain and clean the unit thoroughly.
Properly used, a wet-vac may be appropriate for this purpose.

©2016 Thermaco, Inc. All rights reserved • Patented/Patents Pending • Specications subject to change without notice

Thermaco, Inc. • 646 Greensboro St. • Asheboro, N. C. 27204-2548 • Phone [phone]

MNL-ISPS40000 4

40000 Series

REVISIONS

ZONE REV DESCRIPTION DATE APPROVED

Big Dipper® IS System

Digital Control Operation

Digital Control Operation (Default Modes)

Timed Skimming Default

Through the “User Interface” three
levels of skimming may be selected in
the “default” mode. By selecting one of
the skimming buttons – I, II, or III - the
skimming cycle (see table below) is
activated. The LED associated with
the selected button is illuminated

continuously as an indicator of the

selected skim cycle and as a “power
on” indicator. If the skimming level is
changed during an active skimming
cycle, the next active skim cycle will be
at the new setting (The LED associated
with the newly selected level will change
immediately). If the skimming cycle
is changed between active skimming
cycles the next skim cycle will be at the
new level.

Motor Exercising

For all default mode skimming levels, the
motor will be energized for 30 seconds
every 9.5 hours. Only the motor will be
energized (no heater operation) at these
exercising times.

Start Button Operation

Any time the start button is depressed the “time between skims” the digital control goes to its maximum time and
operation begins for the selected skim level. After this skimming cycle the normal time delay to the next skim cycle
is used (skim cycle resets when the start button is depressed).

Light Setting:

Recommended for

Light Grease Output

(Small Cafes, Coffee/

Ice Cream shops***)

Moderate Setting:

Recommended for

Moderate Grease Output

(Quick and Full-Service

restaurants***)

Recommended for

Heavy Grease Output

(Steakhouses, Buffets,

producing sites***)

Start Button: Press

to begin a cycle early

or to test operation..

Heavy Setting:

Heavy Grease

Heater Operation

The heater operates under Thermistor control any time the skimmer motor is energized and anytime the liquid
temperature drops to 40º F to prevent liquid from freezing. Contact Thermaco for programming alternative heater
settings.

Default Modes - Normal Operation*

Button Selected Skim Time Delay Between Skims**

Light (I) 15 Minutes 76 Hours

Moderate (II) 30 Minutes 19 Hours

Heavy (III) 60 Minutes 19 Hours

* For Extreme Conditions see next page.
** Delay between Skims is the time from the start of the 1st skim to the start of the next skim.
*** Only examples, actual mode needed will vary depending upon menu, warewashing procedures, etc.

©2016 Thermaco, Inc. All rights reserved • Patented/Patents Pending • Specications subject to change without notice

Thermaco, Inc. • 646 Greensboro St. • Asheboro, N. C. 27204-2548 • Phone [phone]

MNL-ISPS40000 5

40000 Series

REVISIONS

ZONE REV DESCRIPTION DATE APPROVED

Big Dipper® IS System

Digital Control Operation

Digital Control Operation (Extreme Modes)

Extreme Operation

For Food Service Operations which produce more grease and need additional run-time, the 40000 Series Big Dipper
provides additional modes for extreme operation. In order to access these modes:

1. Remove power from CLA by unplugging unit or lifting it to disengage the safety switch (found on
underside of the back of assembly).

2. Reapply power while holding down the Heavy Mode (III) Button.

3. The button (III) will blink temporarily, indicating which operation level has been selected.

4. Select desired mode at skim times/frequencies listed below.

Extreme Modes

Button Selected Skim Time Delay Between Skims*

Light (I) 90 Minutes 19 Hours

Moderate (II) 120 Minutes 19 Hours

Heavy (III) 120 Minutes 9.5 Hours

* Delay between Skims is the time from the start of the 1st skim to the start of the next skim.

To return to Default Modes, follow the instructions above, but press the Light Mode (I) Button instead of the Heavy
Mode (III) Button. The Light Mode (I) Button will temporarily blink to indicate this operational level has been
selected.

Hold down Light

Mode (I) Button

when connecting

power to unit to

switch back to

default modes.

Hold down Heavy

Mode (III) Button

when connecting

power to unit to

switch to extreme

modes.

©2016 Thermaco, Inc. All rights reserved • Patented/Patents Pending • Specications subject to change without notice

Thermaco, Inc. • 646 Greensboro St. • Asheboro, N. C. 27204-2548 • Phone [phone]

MNL-ISPS40000 6