User Manual

1
This appliance is designed for commercial use. Any servicing other than cleaning and maintenance should be performed by an autho-
rized 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,bleachorharshimplements.
Conventions
WARNINGS – To help avoid personal injury
Important Notes/Cautions – from the factory
Sanitation Requirements
YourCurtisG3SystemisFactoryPre-SetandReadytoGo…RightfromtheCarton.
FollowingaretheFactorySettingsforyourinterLockCoffeeBrewingSystems:
•BrewTemperature=200°F   •WaterBypass=OnLARGE&MEDIUMbrewonly
 •BrewVolume=Largesettovesselrequirements. •EnergySaveMode=Off
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.
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brewingsystemandenhance
coffeequality.
1.A3/8”Flarex3/8”Malepipeelbowissuppliedwiththebrewerforwaterlineconnection.Usetubingsizedsufcientlytoprovidea 
 minimumof1.0GPM.
2.Connecttheunittoanappropriateelectricalpowercircuit.
3.Turnonthetoggle(STANDBY/ON)switchbehindtheunit.Theheatingtankwillstarttoll.Whenthewaterlevelinthetankrisestothe
 correctvolume,theheatingelementswillenergizeautomatically.WithG3Systemsthereisnodangerofelementburnoutcausedby
 anemptytank.
4.Theheatingtankwillrequire20to30minutestoreachoperatingtemperature(200°F),indicatedwhenREADYTOBREWisdisplayed
 ontheLCDscreen.
5.Priortobrewing,dispense12ouncesofhotwaterthroughthehotwaterfaucet.
6. Brewacycleofatleast12ounces,topurgethewaterlinesofanyairthatmaybetrappedafterlling.
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. Insomeareasanapprovedbackowpreventiondevicemayberequiredbetweenthebrewerandthewatersupply.
Wilbur Curtis Company, inC.
Models
GEM TN
GEM-3N
GEM-5N
CAUTION: DO NOT
connect this brewer to hot
water. The inlet valve is
not rated for hot water.
CAUTION: Please use
this setup procedure
before attempting to use
this brewer. Failure to follow the
instructions can result in injury or the
voiding of the warranty.
WARNING HOT LIQUID,
Scalding may occur.
Avoid splashing.
IMPORTANT: Equipment
to be installed to comply
with applicable federal,
state, or local plumbing/electrical
codes having jurisdiction.
ImportantSafeguards/Conventions
ServiceManual–GeminiNarrowTwinBrewer
BREWINGINSTRUCTIONS
 1.BrewershouldbeON(Conrmatreartoggleswitch,thenpresstheON/OFFbutton).Ready-to-Brewshouldbeonthedisplay.Ifthe
  brewerisconnectedtoanInterLockgrinder,thegrindershouldbeon.WhenInterlockconnectionismade,grindcoffeeatthistime.
 2.PlaceanemptySatelliteunderthebrewconeandpressthewarmerswitchtopre-heattheSatellite.
6. PressBrewbutton. 
 Brewingwillbegin 
immediately.
5. Transferlled
 brewconeto
 brewer.
 3.Placeacleanlter
  intothebrewcone.
4.Fillbrewconewith 
ground coffee.