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T5A/W icemaker circuitry

Follett icemakers used on top of an ice storage bin (T5A/W) have a slightly different circuitry. A diagram for these
icemakers is shown below. The operational and diagnostic stages for these icemakers will be otherwise the same
as the preceding stages 1 - 10.

M

GRD

L1
L1

L2

L2

L2

L2
L2

COMPRESSOR

FAN
DRIVE

DR

C

20M

60M

2ND

WTR

B-T

B-E

RESET

X

GRD

G

B

W

FAN

BLACK

WHITE

BLACK

BLACK

R

ORANGE

S

S

L

COMPRESSOR

C

RED

BLACK

BLACK

WHITE

 INPUT
POWER 

CONTROL
  BOARD

BLACK

GEARMOTOR

24V

COMMON

LINE VAC

RED

RED

COMPRESSOR
SWITCH

WHITE

BLACK

BIN T-STAT

WHITE

M

1

HI-TEMP SAFETY
T-STAT (W/C ONLY)

4

3

L1

L2

WATER
SENSOR

PWR

9

;;

;;

yy

yy

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yyyyyyyyyyy

yyyyyyyyyyy

yyyyyyyyyyy

condenser

filter
drier

thermostatic

expansion

valve

 evaporator

compressor

high side 

service port

low side

service port

;;

;;

yy

yy

;;

;;

yy

yy

high 

pressure

vapor

high 

pressure

liquid

low

pressure 

liquid

low

pressure

vapor

;

;

y

y

;

y

;

y

;

y

;

y

;

y

;;;

;;;

@@@

@@@

;;;

;;;

yyy

yyy

Refrigeration cycle

Summary of Contents for D5A

Page 1: ...654R01 UL R5A icemaker with countertop dispenser T5A W icemaker mounted on ice storage bin R5A icemakers with undercounter dispenser 801 Church Lane PO Box D Easton PA 18044 Toll free 800 523 9361 888...

Page 2: ...ator information Cleaning procedures Recommended monthly cleaning of condenser air cooled icemaker only 1 Use vacuum cleaner or stiff brush to carefully clean condenser coils of air cooled icemaker to...

Page 3: ...from ice storage area and allow ice made during the sanitizing process to fall into ice bin area Note If bin will not be cleaned at this time place a large pan in bin storage area to catch ice or conn...

Page 4: ...ce the icemaker Operational and diagnostic sequences The wiring diagrams which follow illustrate the circuitry of Follett icemakers used with ice dispensers Both normal operation of the icemaker stage...

Page 5: ...in by the initial high current draw of the compressor The B E and WTR LED remain on M GRD L1 L1 L2 L2 L2 L2 L2 COMPRESSOR FAN DRIVE DR C 20M 60M 2ND WTR B T B E RESET X GRD G B W FAN BLACK WHITE BLACK...

Page 6: ...ntinues to run for 60 seconds The purpose of this function is to drive the remaining ice out of the evaporator and to boil off any refrigerant remaining in the evaporator M GRD L1 L1 L2 L2 L2 L2 L2 CO...

Page 7: ...AN DRIVE DR C 20M 60M 2ND WTR B T B E RESET X GRD G B W FAN BLACK WHITE BLACK BLACK R ORANGE S S L COMPRESSOR C RED BLACK BLACK WHITE INPUT POWER CONTROL BOARD BLACK GEARMOTOR 24V COMMON LINE VAC RED...

Page 8: ...dition If the icemaker runs without problems for 60 minutes and no additional torque errors occur the 60M LED will go off M GRD L1 L1 L2 L2 L2 L2 L2 COMPRESSOR FAN DRIVE DR C 20M 60M 2ND WTR B T B E R...

Page 9: ...L1 L2 WATER SENSOR PWR 8 Diagnostic sequence Stage 10 If the water level in the float reservoir drops to an unacceptable level the WTR LED will go out shutting the icemaker off Also the BT LED will c...

Page 10: ...GRD G B W FAN BLACK WHITE BLACK BLACK R ORANGE S S L COMPRESSOR C RED BLACK BLACK WHITE INPUT POWER CONTROL BOARD BLACK GEARMOTOR 24V COMMON LINE VAC RED RED COMPRESSOR SWITCH WHITE BLACK BIN T STAT W...

Page 11: ...1 C 80 F 26 7 C 90 F 32 2 C 100 F 37 8 C 6 3A 6 5A 6 7A 6 9A 7 1A Water cooled Water temp at float 50 F 10 C 60 F 15 6 C 70 F 21 1 C 80 F 26 7 C 90 F 32 2 C 6 6A 6 7A 6 7A 6 8A 6 9A Locked rotor amps...

Page 12: ...his period the system should not rise above 1000 microns If the system rises above 1000 microns evacuate the system again If the system rises above 1000 microns for a second time check the system for...

Page 13: ...ting base 4 Fill gearmotor shaft well with food grade grease 5 Install condensate shield and seat against gearmotor boss 6 Install bearing O ring in groove in evaporator mounting base 7 Lower bottom b...

Page 14: ...efficient compressor Corrective action 1 Check that unit is plugged in circuit breakers are on 2 Adjust or replace ice level control 3 Check reservoir for water restore water to unit 4 See Problem 6 b...

Page 15: ...dirty condenser coil 2 Compressor not pumping 3 Low refrigerant charge 1 Compressor switch in OFF position 2 No output on compressor and fan motor terminals on control board 1 Replace O ring 1 Elimin...

Page 16: ...Air cooled icemaker right side Air cooled icemaker left side 15 1 2 3 4 5 6 7 11 10 12 8 9 12 6 5 16 17 15 14 13 2 18...

Page 17: ...3 Tubing plastic 5 8 ID x 13 16 OD sold by foot 9 501190 Mounting bracket gearbox 10 501992 Gearbox motor assembly 115V 60Hz 11 501993 Gearbox motor assembly 230V 50Hz 11 501191 Tubing plastic food gr...

Page 18: ...Water cooled icemaker right side Water cooled icemaker left side 17 1 3 4 5 6 7 8 12 11 9 13 10 13 2 14 18 16 15 17 19 20...

Page 19: ...rmal 8 501289 Drain pan evaporator 9 500623 Tubing plastic 5 8 ID x 13 16 OD sold by foot 10 501992 Gearbox motor assembly 115V 60Hz 11 501993 Gearbox motor assembly 230V 50Hz 11 501190 Mounting brack...

Page 20: ...e Not shown 501992 Gearbox motor assembly 13 501993 Gearbox motor assbly 230V 13 501190 Mounting base gearbox Not shown 502220 Compression nozzle with double drain below 502221 Compression nozzle with...

Page 21: ...97 Bearing needle 2 required 17 500781 2 Gear 3 pinion assembly 18 500798 Shaft 2 gear 19 500878 4 Gear 5 pinion assembly 20 501989 Gearcase 21 501994 Vent plug 23 501991 Bearing ball sealed 24 501144...

Page 22: ...50Hz 2 502331 Board control circuit 115V 60Hz 3 502349 Board control circuit 230V 50Hz 3 502116 Water sensor 4 500006 Switch on off compressor 5 500514 Bin thermostat T5A W icemakers only Not shown 50...

Page 23: ...transport tube insulation 501176 Ice tube insulation sold by the foot Ice tube end kit Required length of transport tube 500366 must be ordered Tube insulation 501176 must also be ordered for all rem...

Page 24: ...Enamel All U150 series with air cooled icemakers R5A None Enamel All U150 series with water cooled icemakers R5W None Enamel All U300 series with air cooled icemakers R5A None Enamel All U300 series...

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