Ice-O-Matic GEMD270A2 Manual

GEMD270A2 PEARL-ICE ICE/WATER DISPENSER
MODELS- GEMD270A2
Installation and Service Manual
Ice-O-Matic
11100 E. 45th Ave.
Part Number
9081407-01 Revision
03/23/21
Denver, Colorado 80239
1-866-PURE-ICE

SERVICE PARTS MANUAL
22 INCH WIDE ICE SERIES CUBERS
MODEL-ICE0320, ICE0520
Includes 50Hz. Units
ICE-O-Matic
11100 East 45th Ave
Denver, Colorado 80239
Part Number 9081297-01 PD04/02 Rev1/05

INTRODUCTION
This manual provides the specifications and the
step-by-step procedures for the installation,
start-up, operation, maintenance and cleaning for
the Ice-O-Matic GEMD270A counter top Pearl
Iceâdispenser.
NOTE: To retain the safety and performance built
into this ice machine, it is important that installation
and maintenance be conducted in the manner
outlined in this manual.
GEMD270A
Page 1
Table of Contents
SPECIFICATIONS ·············································Page 2
CABINET DIAGRAMS ···········································Page 3
GENERAL INFORMATION AND INSTALLATION ·····························Page 4
ELECTRICAL CONNECTIONS ······································Page 5
WATER SUPPLY AND DRAIN CONNECTIONS ·····························Page 6
FINAL CHECK LIST ············································Page 7
OPERATING INSTRUCTIONS ······································Page 8
INITIAL START UP CONTINUED ·····································Page 9
SETTING THE DISPENSING SELECTOR ································Page 11
PRINCIPLE OF OPERATION ·······································Page 12
REFRIGERANT CIRCUIT ·········································Page 13
MECHANICAL SYSTEM ··········································Page 14
COMPONENT DESCRIPTION ······································Page 15
COMPONENT DESCRIPTION ······································Page 16
COMPONENT DESCRIPTION ······································Page 17
COMPONENT DESCRIPTION ······································Page 18
SERVICE DIAGNOSIS ···········································Page 19
SERVICE DIAGNOSIS ··········································Page 20
MAINTENANCE AND CLEANING INSTRUCTION ····························Page 21
CLEANING INSTRUCTIONS OF WATER SYSTEM ···························Page 22
REMOVAL AND REPLACEMENT ·····································Page 23
TOP BEARING REPLACEMENT ·····································Page 24
BEARING REPLACEMENT - CONTINUED ································Page 25
WATER SEAL ···············································Page 26
Ice-O-Matic
11100 East 45th Ave.
Denver CO 80239
800-423-3367

SPECIFICATIONS
GEMD270A:
Ice Maker Dispenser, TouchFree, 200 lb ice making capacity, Pearl Ice â, 12 lb storage
To keep your Ice-O-Matic Pearl Ice âDispenser at peak performance levels, periodic maintenance checks
must be carried out as indicated in this manual.
MACHINE SPECIFICATIONS
GEMD270A
Page 2
Model Cond.
unit
Cabinet Size Finish Comp.
HP
Ice bin
cap
GEMD270A Air 34 13/32” high x 15 9/32” wide x 26 7/64” deep S. Steel 3/8 12 lb.
Basic
electrical
Amps Watts Amps fuse
115/60/1 6 550 15
Unit is equipped with leveling legs.
The unit has a power cord.
Important Operating Requirements:
Min Max
Air Temperature 50oF 100oF
Water Temperature 40oF95
oF
Water Pressure 20 psi 70 psi
Electrical voltage
variations from voltage
rating specified on
nameplate
-10% +10%

CABINET DIAGRAMS
GEMD270A
Page 3

GENERAL INFORMATION AND INSTALLATION
UNPACKING AND INSPECTION
1. Call your authorized Ice-O-Matic Distributor or
Dealer for proper installation.
2. Visually inspect the exterior of the packing and
skid. Any severe damage noted should be reported
to the delivering carrier and a concealed damage
claim form filled in subject to inspection of the
contents with the carrier’s representative present.
3. a) Cut and remove the plastic strip securing the
carton box to the skid.
b) Cut open the top of the carton and remove the
polystyrene protection sheet.
c) Pull out the polystyrene posts from the corners
and then remove the carton.
4. Remove the top and sides panels of the unit and
inspect for any concealed damage. Notify carrier of
your claim for the concealed damage as stated in
step 2 above.
5. Remove all internal support packing and
masking tape.
6. Check that refrigerant lines do not rub against or
touch other lines or surfaces, and that the fan
blades move freely.
7. Check that the compressor fits snugly onto all its
mounting pads.
8. Use clean damp cloth to wipe the surfaces
outside of the cabinet.
9. See data plate on the rear side of the unit and
check that local main voltage corresponds with the
voltage specified on it.
CAUTION: Incorrect voltage supplied to the ice
machine will void your parts replacement program.
10. Remove the manufacturer’s registration card
from the inside of the Users Manual and fill-in all
parts including Model and Serial Number taken
from the data plate. Forward the completed
self-addressed registration card to Ice-O-Matic
factory.
LOCATION AND LEVELING
WARNING: This Ice Dispenser is designed for
indoor installation only. If the machine is operated
for extended periods at temperatures exceeding
the following limitations it will constitute misuse
under the terms of the Ice-O-Matic Manufacturer’s
Limited Warranty resulting in LOSS of warranty
coverage.
Position the unit in the selected permanent
location. Criteria for selection of location include:
Min Max
Air Temperature 50oF 100oF
Water Temperature 40oF95
oF
Water Pressure 20 psi 70 psi
Electrical voltage 103 v 126 v
Service access: adequate space must be left for all
service connections through the rear of the ice
machine.
This machine is air-cooled and sucks air through
the left side panel and blows air out the rear side of
the top panel. Do not install the machine where the
left and upper rear side air flows might be blocked.
A minimum clearance of 6 inches is required at the
left and upper rear side for air circulation.
It is important that the machine be installed in a
location where it has enough space around it to be
accessible for service. Avoid hot, dirty and
crowded locations.
NOTE: Do NOT place anything on top of the
machine. Leave the upper louvers open for
proper air exhaust.
The base of the GEMD270A must be sealed to the
counter top.
1. Place the unit in its final position.
2. Place a bead of sealant on the counter top to
match the outside edge of the cabinet base and
sink.
Food grade silastic sealant is recommended.
GEMD270A
Page 4

ELECTRICAL CONNECTIONS
See data plate for current requirements to
determine wire size to be used for electrical
connections. All Ice-O-Matic ice machines require
a solid earth wire. This Ice-O-Matic ice machine is
supplied from the factory completely pre-wired and
only needs to be plugged into a nearby 115 volt
outlet.
Make sure that the ice machine is connected to its
own circuit and individually fused (see data plate
for fuse size). Not Connected to a G.F.I. outlet
The maximum allowable voltage variation should
not exceed -10% and +10% of the data plate
rating. Low voltage can cause faulty functioning
and may be responsible for serious damage to the
overload switch and motor windings.
NOTE: All external wiring should conform to
national, state and local standards and regulations.
Check voltage on the line and the ice machine’s
data plate before connecting the unit.
GEMD270A
Page 5

WATER SUPPLY AND DRAIN CONNECTIONS
GENERAL
When choosing the water supply for the ice flaker,
consideration should be given to:
a) Length of run
b) Water clarity and purity
c) Adequate water supply pressure
Water is the most important single ingredient in
producing ice - these three items are very
important.
Low water pressure, below 20 psi may cause
malfunction of the ice machine unit.
Water containing excessive minerals will tend to
produce scale build-up on the interior parts of the
water system while water that’s too soft (water
contains too few mineral salts), will produce a very
hard flaked ice.
PLUMBING CONNECTIONS MUST CONFORM
TO ALL APPLICABLE CODES
CONNECT TO POTABLE WATER ONLY
The model GEMD270A is capable of having water
connections through the bottom base or through
the rear bottom side of the machine. In this second
case it is necessary to remove the small panel at
the bottom rear.
WATER SUPPLY
Connect to the ¾" male water inlet fitting, using the
supplied fitting, to the cold water supply line. A
shut-off valve should be installed in an accessible
position between the water supply line and the
unit.
If the water contains a high level of impurities,
consider installing a water filter or conditioner.
WATER DRAIN
The recommended drain tube is a copper, rigid
plastic or reinforced flexible tubing (supplied) with
.75" (19mm) I.D. which runs to an open trapped
and vented drain. When the drain is a long run,
allow1/4" drop per foot.
Note: Although soft, easily kinked vinyl tubing is
not recommended for a drain, a short length of ¾”
ID vinyl tubing is required to connect a rigid drain
tube to the 20 mm (25/32”) fitting on the back of
the GEMD270A.
Install a vertical open vent on the drain line high
point at the drain connection to ensure good
draining.
The ideal drain receptacle is a trapped and vented
floor drain.
NOTE: The water supply and the water drain
must be installed to conform with the local
code. In some case a licensed plumber and/or
a plumbing permit is required.
GEMD270A
Page 6

FINAL CHECK LIST
1. Is the unit in a room where the ambient
temperatures are within a minimum of 50°F even in
winter months?
2. Is there at least a 6" clearance around the unit
for proper air circulation?
3. Is the unit level?
4. Have all the electrical and plumbing connections
been made, and is the water supply shut-off valve
open?
5. Has the voltage been tested and checked
against the data plate rating?
6. Has the water supply pressure been checked to
ensure a flowing water pressure of at least 20 psi.
7. Check all refrigerant lines and conduit lines to
guard against vibrations and possible failure.
8. Has the unit been sealed to the counter top?
9. Has the owner/user been given the Users
Manual and been instructed on the importance of
periodic maintenance checks?
10. Has the Manufacturer’s registration card been
filled in properly? Check the model and serial
number against the serial plate and mail the
registration card to Ice-O-Matic.
11. Has the owner been given the name and the
phone number of the authorized Ice-O-Matic
Service Agency serving them?
GEMD270A
Page 7

OPERATING INSTRUCTIONS
START UP
Afterhavingcorrectlyinstalledtheicemakerand
completed the plumbing and electrical connec-
tions,performthefollowing“Start-up”procedure.
A. Openthewatersupplylineshutoffvalveand
give power by moving the main switch, on the
power supply line, to the ON position.
The GREEN LED will glow to signal that unit is
under power.
NOTE.Everytimetheunitisputunderpower,
after being kept for sometime in shut-off
conditions(electricallydisconnected)the 2nd
RED LED will blink for 3 minutes (Fig.1).
B. Elapsedthe3minutes-standbyperiod-the
unit starts operating with the activation in
sequence of the following assemblies:
GEAR MOTOR
COMPRESSOR
FAN MOTOR kept under control by the
condenser temperature sensor which has its
probe within the condenser fins
with the switching off of the 2nd RED LED
(Fig. 2).
C. 2or3minutesafterthecompressorstartup,
observethatflakericebeginsdroppingofftheice
spout to fall into the storage bin.
NOTE. If, after ten minutes from the
compressor start-up, the evaporating tem-
perature has not dropped down to a value
lower than -1 ° C (30 ° F) the evaporating tem-
perature sensor detects such an abnormal
situation and stops consequently the unit
operation.
Inthiscircustance,the3rdwarningYELLOW
LED will blink (Fig.3).
After having diagnosed and eliminated the
cause of the poor evaporating temperature
(insufficient refrigerant in the system or
inoperativecompressororevaporatorsensor) itis
necessarytopushtheRE-SETBUTTON or De-
engerize and re-engerize unit. Theunit,before
resumingthetotaloperation, willgothroughthe
usual3minutesSTAND-BYperiod.
OPERATION CHECKS UPON THE UNIT
START UP
D. Remove service panels and if necessary
install the refrigerant service gauges on the
corresponding Service valves to check both the
HI and LO refrigerant pressures.
NOTE. The condenser temperature sensor,
which is located within the condenser fins,
keeps the head (condensing) pressure
between two preset valves.
Incaseofcondensercloggingsuchtoprevent
the proper flow of the cooling air or, in case
the fan motor is out of operation, the
condenser temperature rises and when it
reaches70 ° C(160 ° F)thecondensertempe-
raturesensorshuts-offtheicemakerwiththe
consequent light-up of the 2nd RED
WARNING LIGHT (Fig.4).
After having diagnosed the reason of the
temperatureriseandremoveditscause,itis
necessary to proceed as per the previous
“NOTE”tostart up againtheoperationofthe
ice maker.
FIG. 1 BLINKING - FLASHING
3 MINUTES DELAY TIME AT START UP
BLINKING-FLASHING SLOW
INFRARED BEAM CUTTED
WITH MACHINE IN OPERATION
STEADY
MACHINE OFF AT BIN FULL
BLINKING-FLASHING FAST
INFRARED BEAM ON AFTER
THE TRIPPING OFF AT BIN FULL
NO WATER
POWER ON
BLINKING-FLASHING
3 MINUTES DELAY TIME AT START UP
STEADY
TOO HI CONDENSING TEMPERATURE
BLINKING-FLASHING
TOO HI EVAPORATING TEMP.
AFTER 10 MIN. FROM START UP
STEADY
WRONG-NO-SLOW ROTATION
GEAR MOTOR FIG. 2
FIG. 3 BLINKING - FLASHING
TOO HI EVAPORATING TEMP. AFTER 10 MIN.
FROM START UP
GEMD270A
Page 8