Grindmaster Espressimo 1750 Operating & Installation Manual Download

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0307 Form # ES-351-08

Part #60236

Espressimo

Espresso Cappuccino Machines

Operation & Installation Manual

For

Models 2450 & 1750

*Also includes information & instructions for Q & E models.

Prior authorization must be obtained from

Grindmaster Corporation for all

warranty claims.

Grindmaster Corporation™

4003 Collins Lane
Louisville, Kentucky 40245 USA
(502) 425-4776
(800) 695-4500

(USA and Canada only)

(800) 568-5715

(technical service only)

FAX: (502) 425-4664
www.grindmaster.com

ABLE OF

ONTENTS

Warning Labels.......................................................2

Initial Preparation....................................................3

Understanding basic concepts about

brewing espresso......................................4

External machine parts 2450 & 1750......................5

Accessories............................................................6

Installation..............................................................6

Programming Instructions.......................................7

How to Brew Espresso............................................8

How to Froth Milk....................................................9

How to Steam Milk..................................................9

Care and Cleaning................................................10

Adjustments..........................................................12

Coffee Taste and Appearance Guide....................13

Troubleshooting Guide .........................................14

Plumbing Guide................................................17

Wiring Diagrams............................................18 - 19

Exploded Views 2450.....................................20 - 22

Exploded Views 1750......................................23 - 25

Summary of Contents for Espressimo 1750

Page 1: ...5 USA 502 425 4776 800 695 4500 USA and Canada only 800 568 5715 technical service only FAX 502 425 4664 www grindmaster com TABLE OF CONTENTS Warning Labels 2 Initial Preparation 3 Understanding basic concepts about brewing espresso 4 External machine parts 2450 1750 5 Accessories 6 Installation 6 Programming Instructions 7 How to Brew Espresso 8 How to Froth Milk 9 How to Steam Milk 9 Care and C...

Page 2: ......

Page 3: ... of espresso Crema is a sign that all the elements were right in producing the perfect cup of espresso Cappuccino Usually 1 3 espresso to 2 3 frothed milk in a preheated cappuccino mug Some prefer to pour the espresso into the frothed milk in a cappuccino mug while others pour or spoon the frothed milk over espresso Cafe Latte Italian or Cafe au Lait French or Cafe con Leche Spanish A single servi...

Page 4: ...in this manual If you cannot correct a problem call Grindmaster Corporation s Hotline for help at 800 695 4500 or 1 502 425 4776 Monday through Friday 8 A M until 8 P M EST Access to cold water line with minimum of 30 P S I pressure drain and heavy duty grounded receptacle with its own breaker Models 2450 1750 use 115V 20 AMP receptacle Q models use 230V 3 wire plus ground 20 AMP receptacle E mode...

Page 5: ...resso water is heated in an enclosed chamber then the water is forced quickly under pressure through fine compacted coffee grounds Espresso can be made in either single or double servings Correctly prepared espresso has a strong potent coffee flavor and crema on the surface of the espresso Finely ground coffee grounds are tamped into the filter holder See instructions on page 6 Double Filter Holde...

Page 6: ...less steel lid lifts off top of machine Slots release heat and are often used to warm cups before use 10 11 12 13 14 15 16 17 18 Right Automatic Touch Pad When pressed hot water is dispensed through the filter holder and into the cup Auto Fill Light A red light When lit indicates that machine needs water in boiler The light will flicker on and off as the boiler is filling with water Gauge Indicate...

Page 7: ...utes When the AUTOFILL light is no longer on the boiler has filled Flip the main power switch to the ON position Do not turn on until machine has completely filled 14 15 16 17 Important Note about Vacuum Breaker The vacuum breaker located under the cup warming area on the top of the machine will vent air and steam to the cup warning area upon start up If the vacuum breaker does not close then exce...

Page 8: ... released a pre infusion cycle will occur for approximately 2 seconds this will soak the bed of coffee before the pump comes on after which the pump will be turned on and brewing will begin 6 The machine will dispense the pre programmed amount of Espresso and automatically shut itself off 7 To program the double portion button repeat the above steps using the double filter holder and using approxi...

Page 9: ...oons are available from Grindmaster 3 Lightly tamp and level the grounds with even pressure Do not pack coffee into the filter 4 Wipe or brush away any excess grounds on the rim of the filter holder 5 Attach filter holder to the group head by lining up tabs on filter holder with slots in group head Push the filter holder firmly into place and lock in by rotating left to right 6 Place a preheated e...

Page 10: ... steamed too long Important After frothing milk and removing pitcher from steam wand point steam wand over drain pan and pull steam handle all the way down This expels any milk which may be in the steam wand Wipe excess milk off steam wand immediately after every steaming How to Steam Milk 1 2 3 4 5 Before steaming milk point steam wand over drain pan and pull steam handle all the way down This re...

Page 11: ...rn on brew switches to flush water through Remove blank filter from the filter holder and replace with single or double filter Weekly Cleaning Backwashing with Espresso Cleaner 1 2 Cleaning the Steam Wand Tip Unscrew the tip from the steam wand and clean thoroughly inside A wire can be used to clean the holes in the steam wand tip Replace tip when clean Cleaning Filter Holders with Espresso Cleane...

Page 12: ...ly 125 P S I Empty the Boiler The following is proper procedure for emptying and replacing water in the boiler 1 2 3 4 5 6 7 8 9 10 Clean Pump Strainer 1 2 3 4 5 6 Plug in Make sure boiler is filled AUTOFILL light will be OFF Turn machine ON Check for proper brew levels Turn OFF and unplug machine Turn pressure down to 0 P S I by directing the steam wand over the drain pan and pulling down the ste...

Page 13: ...eater light to turn off This is the high pressure setting high pressure setting should be set at approximately 20 PSI Open the steam wand Watch for the yellow heater light to turn on again This is the low pressure set ting The low pressure setting will be within a 3 PSI Range of the high pressure setting How to Adjust the Pump Pressure 1 2 3 4 5 6 7 8 9 Turn OFF and unplug machine and shut off wat...

Page 14: ... or no crema Espresso not hot enough Coffee taste unsatisfactory Coffee packed too tightly Grind texture is too fine Used too much coffee Not enough coffee used Grind texture is too coarse Coffee tamp is too tight Not enough coffee used Grind texture is too coarse Coffee tamp is too light Diameter of cup is too wide Coffee not fresh Water did not reach correct brewing temperature Filter holder and...

Page 15: ...s too watery No power to machine Steam wand clogged No pressure on gauge Check for steam leaks Check for water leaking from group heads or exhaust pipe in drain basin Check for accuracy of gauge Pressure control needs adjustment Faulty pressure control Float switch operating at improper level Check to make sure machine is turned on and plugged in Check outlet has power with lamp or radio Check mai...

Page 16: ...d is leaking Note Machine must have 0 pressure before disconnecting the fitting past the two way solenoid valve If fitting is leaking water then replace the two way solenoid It should normally be closed Check to make sure machine is turned on and plugged in Check outlet has power with lamp or radio Check main circuit breaker Reconnect loose wires Replace pressure control if faulty and check machin...

Page 17: ... springs See section on no water to machine Clean or replace if needed Check to be sure filter with holes is being used and is not clogged Clean if needed Check to verify spray deflector or group strainer is not clogged Clean or replace if needed If only one side is not working check to see if switch or solenoid valve has failed Replace if needed Check to be sure all water valves are open Machine ...

Page 18: ...Page 17 Espressimo 2450 1750 Espresso Cappuccino Machines Plumbing Guide ...

Page 19: ...Espressimo 2450 1750 Espresso Cappuccino Machines Page 18 Models 1750 2450 Wiring Schematic ...

Page 20: ...Models 1750Q 2450Q Wiring Diagram Page 19 Espressimo 2450 1750 Espresso Cappuccino Machines ...

Page 21: ...Espressimo 2450 1750 Espresso Cappuccino Machines Page 20 Models 2450 2450Q 2450E Exploded View Page 1 of 3 ...

Page 22: ...Models 2450 2450Q 2450E Exploded View Page 2 of 3 Page 21 Espressimo 2450 1750 Espresso Cappuccino Machines ...

Page 23: ...Espressimo 2450 1750 Espresso Cappuccino Machines Page 22 Models 2450 2450Q 2450E Exploded View Page 3 of 3 ...

Page 24: ...Models 1750 1750Q 1750E Exploded View Page 1 of 3 Page 23 Espressimo 2450 1750 Espresso Cappuccino Machines ...

Page 25: ...Espressimo 2450 1750 Espresso Cappuccino Machines Page 24 Models 1750 1750Q 1750E Exploded View Page 2 of 3 ...

Page 26: ...Models 1750 1750Q 1750E Exploded View Page 3 of 3 Page 25 Espressimo 2450 1750 Espresso Cappuccino Machines ...

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Page 28: ...everage Dispensers Crathco Cold and Frozen Beverage Dispensers AMW Coffee and Tea Systems Tel 502 425 4776 Fax 502 425 4664 1 800 695 4500 USA Canada only P O Box 35020 Louisville KY 40232 USA www grindmaster com email info grindmaster com 0307 Form ES 351 08 Part 60236 Grindmaster Corporation 1994 PRINTED IN USA ...

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