
Autofill System
Operator Manual
Grindmaster-Cecilware
4003 Collins Lane, Louisville, KY 40245 USA
Phone: 502.425.4776 Toll Free: 800.695.4500
Fax: 502.425.4664
Web: gmcw.com Email: info@gmcw.com
Safety Information...............................2
Specifications .......................................3
Installation ...........................................3
Operation .............................................4
Cleaning and Sanitizing ......................4
Troubleshooting Guide........................5
Parts List ...............................................6
Parts Diagram.......................................7
Flow Diagram.......................................8
Wiring Diagram ...................................8
Thank you for purchasing this quality autofill system. For your safety and the safety of others, read all warnings
and the operator manual before installing or using the product. Properly instruct all operators. Keep training
records. For future reference, record serial number here:
Table of Contents
Model 2001-000
Grindmaster-Cecilware provides the
industry’s BEST warranty. Visit gmcw.com
for warranty terms and conditions.
Model 2002-000
Notice: This system is not certified for
use with dairy products.
Bubbler Ratio 4:1 Ratio 5:1
Single 2001-001 2001-000
Double 2001-003 2001-002
Remote Single 2001-005
Remote Double 2001-004
Granita* Ratio 4:1 Ratio 5:1
Single 2002-001 2002-000
©2018 Grindmaster-Cecilware
Printed in USA
0118 Form # CC-387-04
Part # 390-00090
Activate your warranty now at
http://gmcw.com/warranty-registration
*for use with models NHV-2UL-AF, MT2ULAF,
MT2ULAFBL, MT3ULAFBL

GB Series Cecilware
®
2
Use the product for its intended purpose only. Any other usage is inappropriate and may be dangerous. The
manufacturer assumes no responsibility for injury, loss, or damage resulting from improper machine use.
CAUTION
Do not alter or deform the power cord or plug in any way! Altering or deforming the plug may cause electrical
shock, damage unit and will void warranty.
The Bubbler Autofill must only be connected to a three wire 120 VAC, 60 Hz electrical circuit.
To prevent the possibility of electrocution, burns, or other injuries and to prevent damage, do not immerse in
water or any cleaning liquids.
Do not operate a damaged Autofill. Inspect the power supply cord, concentrate supply and water supply often.
If cord or plug is damaged or worn, do not use your Autofill. Turn off the water supply and disconnect the
electrical power.
Turn off and unplug the Autofill before cleaning or maintenance.
Disconnect power if the machine functions abnormally and notify qualified service personnel for repairs. Do
not permit non-qualified service personnel to attempt repairs. No user serviceable components inside. Do not
disassemble.
WARNING
Safety Information
2 Crathco
®
Autofill System
Important Safety Information
This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages
that follow this symbol to avoid possible injury or death.
For your safety and the safety of others, read all warnings and the operator manual before installing or using
the product.
DANGER: This term warns the user of imminent hazard that will result in serious injury or death.
WARNING: This term refers to a potential hazard or unsafe practice, which could result in serious injury or death.
CAUTION: This term refers to a potential hazard or unsafe practice, which could result in minor or moderate
injury.
NOTICE: This term refers to information that needs special attention or must be fully understood.
Observe machine voltage configuration. Do not apply improper voltage to machine or damage to machine may
occur.
Do not use extension cord (Bubbler Autofill units).
Do not allow water to be splashed or poured on front, sides, top, or back.
A qualified professional should perform installation, maintenance and repairs.
This equipment must be installed in accordance with the appropriate national and local codes of the country
and/or region in which the appliance is installed.
When turning the machine off for an extended period, be sure to evacuate the water and concentrate inside
the piping completely, otherwise the water and concentrate inside the machine could freeze and lead to damage
or cause mold to appear.
This unit is not certified for use with dairy products.
Highly acidic or caustic concentrates may not be compatible with the materials of this system. Thoroughly
evaluate chemical resistance and compatibility, especially at pH < 4 and pH > 10.
NOTICE

NEMA 5-15P
Mechanical
MIXING RATIO: 5:1, or 4:1
ELECTRICAL: 120 Volts, 60 Hz, 1 Phase, 2 Amps
PUMP DESIGN: Positive Displacement
PUMP POWER SOURCE: Potable Water
TEMPERATURE LIMITS: 34 - 120° F [2-45° C]
FLOW RATE: Typical 2-3 oz. [60-90 cc] per sec.
OPERATING PRESSURE: 50 PSI. [3.4 bar] MAX. / 25 PSI.
[1.7 bar] MIN.
Water Inlet Connection requirements:
The Autofill unit can use any standard municipal water
supply as well as any commercial-grade filtered,
distilled, de-ionized, or purified water. Do not connect
to reverse osmosis water supply. Recommended water
pressure should be 50 psig with a 3/4” standard GHT
fitting to the inlet valve of the unit. It is required to
install a manual shut-off valve between the main water
supply and the unit.
Electrical Connection requirements (only
Bubbler units)
A NEMA 5-15R receptacle is required on a 15 amp
circuit. (Granita Autofill units do not have an external
power cord.)
Installation
Unpacking Instructions
Carefully unpack the machine and immediately inspect
for shipping damage. The packaging may contain
unattached parts. Your machine was shipped in a carton
designed to give it maximum protection in normal
handling. It was thoroughly inspected before leaving
the factory. In case of damage, contact the shipper, not
Grindmaster-Cecilware.
This unit and any associated water supply lines must be
compliant and maintained in accordance with all local,
state and federal laws associated with commercial
beverage dispensing equipment and use of potable
water supply lines. Water pipe connections and fixtures
directly connected to potable water supply shall be
sized, installed, and maintained in accordance with
Federal, State, and Local codes. The equipment must be
installed with adequate backflow protection to comply
with applicable federal, state, and local codes. If
backflow protection built into the unit does not meet
local requirements, install protective device. If a check
valve type backflow preventer is used for water supply
protection, a screen of at least 100 mesh (100 strands
per 1.0 in [25 mm]) shall be installed immediately
upstream. The screen shall be accessible and removable
for cleaning or replacement. (Required for NSF
approved water hook-up)
Always ensure that the machine power switch is in the
OFF position and unplugged from power supply when
making or maintaining electrical connections.
Prime unit before using. See step 8.
1. Place Autofill unit on a stable surface.
2. Attach liquid concentrate (syrup) line to autofill and
concentrate supply. Accessory kit contains several
syrup supply connection ends. First slide heat shrink
tube over hose. Then attach appropriate connection
end to hose using provided clamp. Crimp in place
(see picture below). Position heat shrink tube over
clamp and end of hose (see picture below), and
then use hot water or heat gun to attach shrink
tube. (Heat shrink is used for sanitation purposes.)
Other end of hose attaches to the “SYRUP” port on
Autofill unit. Verify it is fully attached.
3. Connect water inlet line to potable water supply
125 PSI MAX/ 25 PSI MIN. Open water supply valve.
4. Granita: Attach digital electronic control line into
back of Granita (see diagram below). Ensure “UP”
label is on top of control plug. Attach other end to
Autofill unit by inserting, then twisting into
position (bayonet connection).
Autofill System Crathco
®
3
Specifications
NOTICE: Do not reuse old hose. Only use new hose.
back of Granita
“UP” label towards
top of unit
Switch
Outlet Hose Connection