Grindmaster ET1 Operator's Manual

ET1 Espresso and Tea Machine

Operator Manual

Grindmaster-Cecilware

4003 Collins Lane, Louisville, KY 40245 USA
Phone: [phone] Toll Free: 800.695.4500
Fax: [phone]
Web: gmcw.com Email: [e-mail]

Safety Information..................2

Specifications...........................4

Overview..................................5

Installation...............................7

Programming ..........................7

Operation ................................8

Cleaning...................................9

Adjustments ..........................10

Draining.................................12

Troubleshooting....................12

Parts Diagram and List..........13

Wiring Diagram.....................20

Thank you for purchasing this quality espresso machine. 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

©2018 Grindmaster-Cecilware

Printed in Taiwan

0218 Form # GC-300-01

Part # 390-00168

Grindmaster-Cecilware provides the
industry’s BEST warranty. Visit gmcw.com
for warranty terms and conditions.

Model ET1

Activate your warranty now at

http://gmcw.com/warranty-registration

GB Series Cecilware

®

2

To reduce risk of electrical shock, do not remove or open cover. No user-serviceable parts inside. Repair should
be done by authorized service personnel only.

The appliance is not intended for outdoor use. Do not expose to rain or direct sunlight.

Do not clean with pressurized water or use in an area where pressurized water may be used.

Cleaning and maintenance shall be made only by properly trained persons with supervision.

This appliance is not intended for use by persons with reduced physical, sensory, or mental capabilities, or lack
of experience and knowledge, unless they have been given supervision or instruction concerning use of the
appliance by a person responsible for their safety.

Children should be supervised to ensure that they do not play with the appliance.

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.

To reduce risk of explosion or fire, do not use near combustibles.

Installation of this appliance should be performed by qualified service personnel only. Improper installation
could result in electrocution.

Shock hazard. Disconnect power before adjusting steam pressure.

To reduce the risk of electrical shock, unplug the dispenser power cord before repairing or replacing any internal
components of the unit. Before any attempt to replace a component, be sure to check all electrical connections
for proper contact. Only a qualified service technician should perform electrical and mechanical adjustments or
repairs.

WARNING

Safety Information

2 Grindmaster

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ET1 Espresso Machine

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.

ET1 Espresso Machine Grindmaster

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3

For safe and proper operation the appliance must be placed in a stable, vertical position.

To reduce risk of serious burns or scalding, do not place hand or other body parts under dispenser while product
is brewing.

Always unplug unit from power supply before servicing.

Surfaces are hot and can cause burns. Use caution especially in the areas of the steam wand, hot water wand,
and brewing group.

Packaging material, including plastic bag and Styrofoam, can be dangerous and should be kept out of reach of
children.

To reduce risk of electrical shock, do not touch machine with wet hands or feet.

Steam wand, hot water wand, and brewing unit are very hot. Use caution when operating unit to prevent burns.

Unit is very hot. Use caution when turning on programming switch to prevent burns.

Dispenser surfaces and water inside dispenser are very hot. Use caution when draining unit to prevent burns.

Never turn on drain valve when there is pressure in the boiler.

CAUTION

Observe machine voltage configuration. Do not apply improper voltage to machine or damage to machine may
occur. For use on individual dedicated branch circuit only. Do not use extension cord.

Make sure that the outlet

the unit plugs into is grounded.

Check rating marking on nameplate to be sure electric lines match voltage, phase,

and amperage requirements of appliance.

Follow national and local electrical codes.

Do not use the machine and turn off the power during water outage.

This equipment must be installed in compliance with applicable Federal, State, and/or Local plumbing codes
having jurisdiction. This product requires an approved back flow prevention water device, such as a double
check valve, to be installed between the machine and the water supply.

Please follow maintenance and cleaning instructions specified in this manual to ensure the best operation
efficiency of machine.

Using filtered and softened water will reduce scaling in the boiler and lengthen the serviceable life of the
machine. Replace filter regularly, depending on volume and quality of water used.

If machine will not be used for a long time, evacuate the water inside the piping completely. Do not expose
machine to freezing temperature if any water is in machine.

Do not block air intake or outlet vents on the machine.

Turn the power off and release all boiler pressure if the machine is to remain idle for an extended period of
time.

After machine power has been switched off, always let the machine set for at least 3 seconds before restarting.

NOTICE

4 Grindmaster

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ET1 Espresso Machine

Rough-In Drawing

Specifications

Identification Label

Every machine has an identification label placed on the to of the machine as illustrated below. The label includes
information of model number, voltage, serial number, wattage, and its certificate. Do not remove this label.

Model Group Boiler Voltage Watts Hertz Weight Dimensions

Capacity A B C

ET1 1 3L 220/240 1500 50/60

26 kg
57 lbs

37 cm

15 in

50 cm

20 in

43.6 cm
17 in

37 cm

15 in

50 cm

20 in

43.6 cm
17 in

Figure A

Figure B

ET1 Espresso Machine Grindmaster

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5

Specifications (continued)

Specification Table

Overview

Model Number of Heads Boiler Capacity Electrical

ET1 1 3L 220/240V / 1Ph / 50/60 Hz / 1500 W

Side Clearance required - 4" (10.2 cm)
Rear Clearance required - 4" (10.2 cm) for water and electrical connections
Water connection size - 3/4" GHT, 1/2" water line required
Water pressure between 20 PSI and 90 PSI (138 kPa - 621 kPa). Use regulator if higher pressure.

1 Foot 7 Power Indicator
2 Water pressure gauge 8 Control Panel
3 Water tray 9 Steam control knob
4 Power Switch 10 Brewing group
5 Hot water outlet nozzle 11 Steam tube
6 Hot water control knob 12 Steam pressure gauge

Figure C

6 Grindmaster

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ET1 Espresso Machine

Overview continued

Control Panel

Figure D

1 - Coffee single portion

2 - Coffee double portion

3 - Tea single portion

4 - Tea double portion

Continuous Flow Button

Power Switch

The power switch has 3 settings.

POSITION 0

OFF

POSITION 1

WATER FILL

POSITION 2

MACHINE ON (HEATING)

Figure E

Figure F

Water Pressure

9 bars

Steam Pressure

1.0 bar

Figure G