Service manual

Conventions
WARNINGS – To help avoid personal injury
Important Notes/Cautions – from the factory
Sanitation Requirements
1. Connectawaterlinefromyourfacilitytothe1/4”arewaterinletttingofthevalve,behindthe 
 machine.Watervolumegoingtothemachineshouldbestable.Usetubingsizedsufcientlyto 
 provideaminimumowrateofonegallonperminute.
2. Plugthepowercordintoanelectricaloutletratedat20A.
3. Switchonthetoggleswitch,behindtheunit,thatrunspowertothecomponentsinthemachine.
 Thelights(displaywindowandrowofbuttons)onthefrontdoorwillactivateandtheheating 
 tankwillstarttoll.
4. Waterintheheatingtankwillrequireaboutonehourtoreachoperatingtemperature(factory 
 settingof190°F).AtthistimetheLCDwilldisplay“READYTODISPENSE”.
5. Removeandllthecanisterswithpowderedproduct.
Service Manual – Expressions Multi-avor
Thisapplianceisdesignedforcommercialuse.Anyservicingotherthancleaningandmaintenance
shouldbeperformedbyanauthorizedWilburCurtisservicecenter.
 • DoNOTimmersetheunitinwateroranyotherliquid
 • Toreducetheriskofreorelectricshock,doNOTopentoppanel.Nouserserviceable 
  partsinside.Repairshouldbedoneonlybyauthorizedservicepersonnel.
 • Keephandsandotheritemsawayfromhotpartsofunitduringoperation.
 • Nevercleanwithscouringpowdersorharshimplements.
Your Curtis G3 System is Factory Pre-Set and Ready to Go, Right from the Carton.
FollowingaretheFactorySettingsforyourExpressionsMulti-avorBeverageSystem:
• Tank Temperature = 190°F
• Dispensing Mode Set for Manual Dispense
GenerallytherewillneverbeareasontochangeyourG3programming.However,shouldyouneed
tomakeslightadjustmentstomeetyourdispensingneeds,programminginstructionsareprovided
laterinthismanual.
 SystemRequirements:
• Water Source20–90PSI(MinimumFlowRateof1GPM)
• Electrical:Seeattachedschematicforstandardmodelorvisitwww.wilburcurtis.comfor 
   yourmodel.
Equipmenttobeinstalledtocomplywithapplicablefederal,state,orlocalplumbing/electricalcodes
havingjurisdiction.
SETUP STEPS
Theunitshouldbelevel(lefttorightandfronttoback),locatedonasolidcountertop.
Connectawaterlinefromthewaterltertothebrewer.
NOTE: Some type of water ltration device must be used to maintain a trouble-free operation. (In
areas with extremely hard water, we suggest that a sedimentary and taste & odor lter be installed.)
This will prolong the life of your dispensing system and enhance cappuccino product quality.
Wi l b u r Cu r t i s Co m p a n y , in C .
Important Safeguards/Conventions
CAUTION: DO NOT
connect this unit to
hot water. Inlet valve
not rated for hot water.
CAUTION: Use this
setup procedure
before attempting
to use this appliance. Failure
to follow the instructions can
result in injury or the voiding
of the warranty.
WARNING, HOT
LIQUID
WILBUR CURTIS COMPANY
Montebello, CA 90640
ISO 9001 REGISTERED
WARNING HOT
LIQUID, Scalding
may occur. Avoid
splashing.
1
Models Included:
■ EXPR
NSF International requires the following water connection:
1. A quick disconnect or additional coiled tubing (at least 2x the depth of the unit) so that
the machine can be moved for cleaning underneath.
2. This equipment is to be installed with adequate back ow protection to comply with ap-
plicable federal, state and local codes..
3. Water pipe connections and xtures directly connected to a potable water supply shall
be sized, installed and maintained in accordance with federal, state, and local codes.