Cornelius QLT180/1000-1 Beilage

INSTALLATION

SERVICE

MANUAL

MODEL

QLT180/1000-1,

1002-1,

1001-1

IMI

CORNELIUS INC.

One Cornelius Place

Anoka,

55303

Tel:

1-800-238-3600

763-421-61 20

Fax:

763-422-3226

Part

No.

85312001

Revision-

July

22,2002

Installation

Service Manual

SEMI-ANNUAL

CAUTION: The following procedures require removal of the dispenser side

panel

(8).

Disconnectthe power cord from the receptacleprior to proceed-

ing.

Clean Water InletStrainer:

Removethe left side side panelfrom the dispense.

Turn

off

the water supply to the dispenser.

Removethe access portfrom the

"Y"

shaped solenoid

locatedon the water inletinthe lower rear portion

the

dispenser.

Cleanand reinstallthe stainlesssteelwater strainer.

CleanChassis Interior:

Cleanthe condenser coolingfins.

Cleanthe air inletgrille locatedat the base

the dispenser.

Cleanthe interior base.

Wipe the fan bladeclean.

Reinstallthe leftside panel, turn on the water supply, and plugthe dispenser intothe power

receptacle.

8531

2001

Installation

ServiceManual

TROU

BLE-SHOOTING

GUIDE

The followingpagescontaintrouble-shooting information intendedto aidan experiencedservice

personin diagnosingany operationalproblemsthat may occur.

you are unableto resolvethe

problemafter several attempts,contactthe IMICornelius

Wilshire Inc.Technical Servicesde-

partmentat 1-800-238-3600 (763-421-6120 outside the UnitedStates)betweenthe hoursof

8:OO AM and

300

PMCentralStandardTime. You must have the modelandserialnumber

(lo-

catedonthe rightsideof the dispenser)priorto calling.

PROBLEM PROBABLE CAUSE REMEDY

due to trippedcircuit

breaker.

Totally Inoperative

powerto dispenser

Reset circuitbreaker.

Confirmthat breakeris

correctsize and no other

equipmentsi operatingon

the same circuit.

Also

confirmthat supplyvolt-

age is

10%of name-

platespecifications.

Looseor broken power

Repair connection.

supply connection inside

dispenser.

Cooling Line voltage isnot within

10%

nameplate

specificationscausing

compressor overload to

trip.

Boththermostats in

OFF

position.

Defectivecompressor

overloador start capaci-

tor.

Defectivestart relay

lo-

catedon upper rear shelf

insidedispenser.

Compressor startsbut

humsand tripsoverload.

Compressor startsbut

does notswitch

off

start

winding.

Compressorshort cycles

on overload.

Contactan electrician.

Turn

thermostatsand

recalibratethe tempera-

tures to

40°F

(45°C).

Replace.

Thereshould

linevolt-

age onthe blackwireof

the relaywhenthere is

linevoltage present

the

orange

yellowwire.

Replacerelay

itfails this

test.

Seizedor shortedcom-

pressor, replace.

Relay or compressoris

defective. Test and re-

placefaulty item.

Excessivelyhighdis-

charge pressuredueto

restrictedcondenseror

in-

operativecondenserfan

motor.

11 85312001

Installation

Service Manual

No Cooling(Cont'd)

Refrigerantleak.

Repairleak, evacuate and

rechargesystem.

water dispensed, concen-

trate only.

watertodispenser.

Water supply line inside

refrigeratedcabinet dis-

connectedfrom pump

platform.

Water solenoid locatedon

pump platformclogged or

defective.

Mainwater solenoid

strainer locatedat baseof

dispenser isclogged,

bindingor defective.

water dispensed,con-

centrateonly.

Water supply pressureis

greater than

100

psi

bar)

Freeze-up of water coilor

concentratechamber.

Restorewater.

Reconnect.

Disassemble and clean

solenoid. Replace

nec-

essary.

Remove and cleanstrain-

er. Confirm28VDC is

presentat solenoidduring

dispense. Confirmsole-

noidcoil is not open. Dis-

assemble andclean sole-

noid.

Add external regulator

and lower pressureto

psi

(3.5

bar).

Unplugdispenserand al-

low 2-4hoursto thaw.

Water or concentratether-

mostat set too low, recali-

brateto 40"F

(4.5"C).

Defectivewater or con-

centrate thermostat, re-

place.Refrigerantsolenoid

stuck openor not closing

fully. Evacuatesystem,

replacesolenoidvalve

and recharge.

water and no concentrate,

Serviceswitch locatedun-

Turn on switch.

refrigerationisworking. der driptray in OFF posi-

tion.

Door switch open.

Door switch must be

closed

orderto operate

pump. Check switchop-

erationand replace

nec-

essary.

6.25 amp fuse insidefront

Replacewith 6.25 amp,

25OVAC

slow

blow fuse

and test.

No output from transform-

Confirmtransformer out-

er locatedon rear upper put by measuringfor

shelf. 26VAC atfuse. Replace

transformer

necessarv.

electrical

box

blown.

85312001

Installation

ServiceManual

No water andnoconcentrate,

Defective voltage regula-

Measure acrossthe blue

refrigerationisworking and blackwire locatedin

(Cont'd). insidefront electricalbox. the upper leftcornerof

the board. There should

be28VDC presentwhen

the dispensebuttonis

pressed. ReplaceVRB

necessary.

Defective portioncontrol

Disconnectwire harness

from rear of portioncon-

trol, close door switchand

short the orange and

blackwirestogetheron

the harness.

unit dis-

pensesportioncontrol

board

defective.

does notdispensethe

voltage regulatorboardis

defective.

tor board(VRB)located

board.

concentratedispensed,

Dispensetube notfully

Refer to

Concentrate

water only. engaged intoreceptacle

sectionof this

on concentratepouch. manual.

nectedfrom mixingcham-

ber. manual.

open position.

Dispensetube discon-

Refer to Concentrate

Loadingsectionof this

Slide blockon pump in

Close and lock the slide

block. Refer to Concen-

trate Loadingsectionof

this manual.

Switch on pumpplatform

Moveswitchto RUN posi-

Concentratetoo cold, no

Concentrateshouldbe

in FLUSH position. tion.

properlythawed. 3540°F (1.74.5"C) prior

to loading.

Defectivepumpmotor.

Replacepump motor.

Excessiveremnant left in

Concentrate pouchim-

Concentrateshouldbe

empty concentratepouch. properlythawed. 3540°F (1.7-4.5"C) prior

to loading.

sectionof this

Concentrate pouchand/or

Refer to

Concentrate

dispense tube improperly

installed. manual.

Concentraterefilllightcomes

Concentrate pouchim-

Concentrateshould

onprematurely. properlythawed. 3540°F(1.7-4.5"C) prior

to loading.

sectionof this

Concentrate pouchandlor

Refer to

Concentrate

dispense tube improperly

installed. manual.

_____

13 85312001

Installation

ServicgManual

Concentraterefilllightcomes

Loose wiring.

Check wiringconnections

on prematurely(Cont'd). betweenthe pumpmotor

and the VRB board.

BadVRB board.

ReplaceVRB board.

Badpump motor.

Replacepump motor.

Concentraterefilllightdoes

Pump improperly locked

Closeand lock pump.

not come on at all. or pumpisopen.

FLUSH position. position.

Run/flushswitchis inthe

Move switchto the RUN

Improperlyloadedtube.

Refer to concentrateload-

ingsection of this manual.

Bad VRB board.

ReplaceVRB board.

Badportioncontrol.

Replaceportioncontrol.

Warm Drink

Incomingwater supply too

Optimumperformanceis

warm. achievedwhen the dis-

penserutilizeswater from

a pre-cooler.

Ambient air too warm.

Relocatedispenser.

Excessive demandon dis-

Add water pre-cooleror

penser. seconddispenser.

Dirtycondenser coil.

Cleancondensercoil.

Inoperativecondenser

Replacecondenserfan

Defectivewater thermo-

Replacethermostat.

Lossof refrigerantcharge

Repairleakandrecharge

fan. motor.

stat.

due to leakinsystem. system.

Water continuouslydripsfrom

Mainwater solenoidat

Cleansolenoid(s),replace

nozzlewhen inOFF mode. baseof unit or water sole-

noidon pump platformnot

shutting

off

tightly.

partsas necessary.

FlushCycle

Run/Flush switchon

Moveswitchto Flush

pump platform

Run position.

mode.

switchon pump platform switch.

(concentratecontinuesto

dispensewhile in Flush

mode).

DefectiveRun/Flush

ReplaceRun/Flush

Concentratewarm, water cold

Concentratethermostatis

Calibrateto be3540°F

turned

off

or notcalibrated

properly. (1-7-4.5"C).

85312001 14

Installation

ServiceManual

Concentrate warm, water cold

Concentrate thermostat

Replacethermostatand

(Cont'd). defective(stuckopen). calibrateto 3540°F

(1.7-4.5"C).

Defectivestart relay

lo-

Thereshouldbe linevolt-

catedon upper rear shelf

insidedispenser. age on the blackwire of

the relaywhen there is

linevoltage present on the

orange OR yellow wire.

Replacerelay

itfails this

test.

Lossof refrigerantcharge

Repair leak and recharge

system.due to leak insystem.

Brix Problem

Water supply pressure too

Correctwater supply

problemto ensure a

constant

psi(2.8 bar)

flowingto the dispenser.

parts as necessary.

3540°F (1.74.5"C) prior

low, lessthan40 psi (2.8

bar)flowingor water pres-

sure fluctuatessharply.

or springis defective.

centrate. Brix changes as

the concentratetempera- to loading.

ture changes (concentrate

becomesthinneras tem-

peraturerises).

Water flow controlbinding

Clean and/or replace

Improperly thawedcon-

Concentrateshould be

Pump Inoperative

Pump motor defective. 28VDC should be present

No power to transformer

or no28VAC outputfrom

transformer.

Defectivevoltage regula-

tor board(VRB) located

insidefront electricalbox.

at pump motorduring dis-

pense.

voltage is pres-

ent and motor does not

start, replacepump motor.

Confirmtransformer has

linevoltagepresenton

primaryside. If no28VAC

outputfrom the secondary

replacetransformer.

Measureacrossthe blue

andblackwire located

the upper

left

corner of

the board. Thereshould

be28VDC presentwhen

the dispensebuttonis

pressed. ReplaceVRB

necessary.

15 85312001

Installation

Service Manual

Pump Inoperative(Cont’d).

Defectiveportioncontrol

Disconnectwire harness

from rear of portioncon-

trol, closedoor switch and

short the orange and

black wires together on

the harness.

unit dis-

penses portioncontrol

boardis defective.

does not dispense the

voltage regulatorboardis

defective.

board.

Machinecontinues to dis-

Portioncontrolpadstuck

Disconnectthe wire har-

penseafter dispense buttonis nessfrom the rear of the

releasedor dispenseswithout portioncontroland close

operator input. the door. If unit does not

dispense on itsown the

portioncontrol is bad

(stuck on).

Relay on voltage regulator

Disconnectthe &wire

harnessfrom the lower

right corner of the VRB.

the unitcontinues to dis-

penseonits own the VRB

isdefective (relay stuck

on).

in on position.

board (VRB) stuck on.

8531

2001

Installation

Service

Manual

System

Wiring

Diagram

8531

2001

Installation

ServiceManual

Main Electrical

Box

Wiring Diagram

86312001 18

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