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GUARDIAN GSI200
Installation Use and Care
Manual
Thank you for selecting a Manitowoc Guardian Slime Inhibitor. With proper installation, care and
maintenance, your new Manitowoc Guardian GSI200 will provide you with many years of reliable and
economical performance.
8006683
Rev A 06/02
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Guardian GSI200 Installation Instructions
Model Numbers
The GSI200 is compatible with the following ice machine models:
Q MODELS
Remote Air Cooled Self-Contained Air-
Cooled
Self-Contained
Water-Cooled
N = Traditional C = QuietQube
QR0200A
QD0202A
QY0204A
QR0280A
QD0282A
QY0284A
QR0320A
QD0322A
QY0324A
QD0372A
QY0374A
QR0420A
QD0422A
QY0424A
QR0450A
QD0452A
QY0454A
QR0600A
QD0602A
QY0604A
QR0801M
QD0802A
QY0804A
QR1000A
QD1002A
QY1004A
QR1300A
QD1302A
QY1304A
NA
QR1800A
QD1802A
QY1804A
QR0201W
QD0203W
QY0205W
QR0281W
QD0283W
QY0285W
QR0321W
QD0323W
QY0325W
QD0373W
QY0375W
QR0421W
QD0423W
QY0425W
QR0451W
QD0453W
QY0455W
QR0601W
QD0603W
QY0605W
QR0801W
QD0803W
QY0805W
QR1001W
QD1003W
QY1005W
QR1301W
QD1303W
QY1305W
QD1603W
QY1605W
QR1801W
QD1803W
QY1805W
QR0490N
QD0492N
QY0494N
QR0690N
QD0692N
QY0694N
QR0890N
QD0892N
QY0894N
QR1090N
QD1092N
QY1094N
QR1390N
QD1392N
QY1394N
QD1692
QY1694N
QR1890N
QD1892N
QY1894N
QR0690C
QD0692C
QY0694C
QR0890C
QD0892C
QY0894C
QR1090C
QD1092C
QY1094C
IB0624YC
IB0622DC
IB0824YC
IB0822DC
IB1024YC
IB1022DC
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Installation Instructions Guardian GSI200
J MODELS
Self-Contained
Air-Cooled
JR0200A
JD0202A
JY0204A
JR0320A
JD0322A
JY0324A
JR0420A
JD0422A
JY0424A
JR0450A
JD0452A
JY0454A
JR0600A
JD0602A
JY0604A
JR0800A
JD0802A
JY0804A
JR1000A
JD1002A
JY1004A
JR1300A
JD1302A
JY1304A
JR1800A
JD1802A
JY1804A
Self-Contained
Water-Cooled
JR0201W
JD0203W
JY0205W
JR0321W
JD0323W
JY0325W
JR0421W
JD0423W
JY0425W
JR0451W
JD0453W
JY0455W
JR0601W
JD0603W
JY0605W
JR0801W
JD0803W
JY0805W
JR1001W
JD1003W
JY1005W
JR1301W
JD1303W
JY1305W
JR1801W
JD1803W
JY1805W
Remote
N = Traditional
JR0490N
JD0492N
JY0494N
JR0690N
JD0692N
JY0694N
JR0890N
JD0892N
JY0894N
JR1090N
JD1092N
JY1094N
JR1390N
JD1392N
JY1394N
JR1890N
JD1892N
JY1894N
B MODELS
Self-Contained
Air-Cooled
BR0200A
BD0202A
BY0204A
BR0320A
BD0322A
BY0324A
BR0420A
BD0422A
BY0424A
BR0450A
BD0452A
BY0454A
BR0600A
BD0602A
BY0604A
BR0800A
BD0802A
BY0804A
BR1000A
BD1002A
BY1004A
BR1300A
BD1302A
BY1304A
BR1800A
BD1802A
BY1804A
Self-Contained
Water-Cooled
BR0201W
BD0203W
BY0205W
BR0321W
BD0323W
BY0325W
BR0421W
BD0423W
BY0425W
BR0451W
BD0453W
BY0455W
BR0601W
BD0603W
BY0605W
BR0801W
BD0803W
BY0805W
BR1001W
BD1003W
BY1005W
BR1301W
BD1303W
BY1305W
BR1801W
BD1803W
BY1805W
Remote
N = Traditional
BR0490N
BD0492N
BY0494N
BR0690N
BD0692N
BY0694N
BR0890N
BD0892N
BY0894N
BR1090N
BD1092N
BY1094N
BR1390N
BD1392N
BY1394N
BR1890N
BD1892N
BY1894N
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Guardian GSI200 Installation Instructions
Warranty
LABOR COVERAGE
Labor to replace any defective part is not included.
PARTS COVERAGE:
Sachet packets and batteries are excluded from the
warranty.
Parts that contain defects in material or workmanship
are covered for a period of one (1) year under normal
use and service.
EXCLUSIONS
The following items are not included in part warranty
coverage:
Damage from improper installation, misuse or abuse,
unauthorized modifications, acts of God, or lack of
normal maintenance.
This product is intended exclusively for commercial
application. No warranty is extended for personal,
family, or household purposes.
General Information
Slime is a leading cause of ice machine breakdowns
and biological growth is a health concern.
Manitowoc’s Guardian System releases chlorine
dioxide on a controlled basis to inhibit the growth of
bacteria and fungi that form slime and cause malodors
in the food zone of ice machines.
The ice machine and bin/dispenser must be cleaned
and sanitized before initial installation of the Guardian
system. The GSI200 will not control mineral or other
water borne buildup. Your water quality will
determine the length of time before mineral buildup
affects ice machine performance. Mineral buildup
must be removed as often as necessary to ensure
trouble-free operation of the ice machine.
List of kit items
1. Timer Housing Assembly(1)
2. Timer Housing Back Cover (1)
3. Sachet Holder Mounting Plate (1)
4. Sachet Bag Holder (1)
5. Small Parts Bag
a. Batteries (2-AA)
b. Screws Pan Head (6)
c. Screw Flat Head (2)
6. Installation, Use and Care Manual (1)
7. Ice Sentry Sachet (1)
PT1385
SV2094
SV2089
SV2098
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Installation Instructions Guardian GSI200
ICE SENTRY SACHET REPLACEMENT
FREQUENCY
Ice Sentry Sachet packet(s) require replacement
every thirty (30) days or whenever they come in direct
contact with water. Refer to chart below for
requirements.
Ice Machine Model
Q - IB - J - B
200 280 320 370 420 450 Use 1
600 800 1000
1300 1600 1800
*Although one Ice Sentry sachet is recommended,
extreme conditions may necessitate using two sachet
packets.
A green light will blink once every 7 seconds for 30
days. After thirty (30) days the green light deenergizes and a red light energizes and blinks every 4
seconds. The red light indicates that the Ice Sentry
sachet packet(s) are due for replacement.
The timer receives power from two (2) AA batteries.
Battery life is approximately three (3) years.
A reset button is located on the rear of the timer
housing. After replacing the Ice Sentry sachet
packet(s), press and hold the button for 3 seconds to
reset the 30-day timer, then release the button.
Ice Sentry Sachet replacement packets are available
through your local Manitowoc ice machine dealer.
200 Gram
Ice Sentry Sachet
(K00206)
Use 1 or 2*
ICE SENTRY SACHET REPLACEMENT
PROCEDURE
The size of the refill Ice Sentry sachet required is
based on the amount of ice produced and depends
upon the actual conditions of use. Most applications
require one 200-gram Ice Sentry sachet; extreme
conditions may necessitate two Ice Sentry sachets.
1. Remove front panel from ice machine.
2. Remove and discard spent Ice Sentry sachet
packets.
3. Remove Ice Sentry sachet from foil package and
install into holder. Removing the foil packet
allows the moisture in the air to activate the packet
contents.
4. A reset button is located on the rear of the timer
housing. After replacing the sachet packet(s),
press and hold the button for 3 seconds to reset the
30-day timer, then release the button. The green
light will blink every 7 seconds for another 30 day
period.
5. Reinstall ice machine front panel.
6. Discard used Ice Sentry sachet in trash.
CLEAN UP PROCEDURE FOR DAMAGED
SACHET PACKET
1. Remove all ice from bin/dispenser and discard.
2. Initiate a cleaning and sanitizing sequence on the
ice machine (refer to Ice Machine Installation, Use
and Care Manual).
3. Clean the bin/dispenser. Flush the drain
thoroughly to prevent future drain blockage.
4. Sanitize the bin/dispenser.
5. Install a replacement sachet packet and reinstall all
covers.
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Guardian GSI200 Installation Instructions
Assembly Instructions
ALL MODELS
1. Install two (2) AA batteries in timer housing
noting proper polarity (+/-).
Reset Button
Positive Battery Terminals
PT1368
Verify timer circuit board is in the correct position.
The circuit board is incorrectly positioned if both
lights (red and green) flash at the same time when the
rear cover is installed. Snapping the control board
under all four legs will correctly position the control
board.
Place timer board on
the four supports
4. Attach sachet holder to mounting plate.
Final assembly will be with sachet holder opening
facing up.
a. Rotate sachet holder 90° clockwise.
b. Refer to table to determine if upper or lower
keyhole slots are used. Place left side pin in
the sachet mounting plate keyhole.
c. Rotate sachet holder 90° counterclockwise and
place right side pin in keyhole slot.
d. Push sachet holder down into keyhole slots to
secure.
Final Position Is
With Opening
Facing Up
SV2089
Model Correct Keyhole Slot
Rotate 90° To Attach
Left Side, Then Rotate
To Final Position To
Attach Right Side
SV2096
Snap the control
board under all four
legs to secure
SV3001
2. Verify the small key slots are on the right side
when viewed from the front of the timer housing.
Align sachet holder mounting plate holes with
pins in the timer cover housing and snap into
place.
Attach Sachet
Mounting Plate to Back
Cover Pins
Upper Keyhole Slot
Lower Keyhole Slot
Small Keyhole Slots on
right side when viewed
from front
SV2094
Q, J or B
200/280/320/370/420
Q, J or B 450/600/800/
1000/1300/1600/1800
QuietQube Models
Q600C/Q800C/Q1000C
IB600C/IB800C/IB1000C
Use lower keyhole slots
Use upper keyhole slots
Use upper keyhole slots
5. Remove front cover from ice machine.
6. Clean and sanitize ice machine and bin/dispenser.
3. Use four pan head screws to secure the back
cover/sachet mounting plate to the timer housing.
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Installation Instructions Guardian GSI200
V
7. Remove 13” (33 cm) foam tape from interior of
front panel. Refer to chart below for location.
Remove Foam Tape From Interior Of
Ice Machine Front Cover
SV2091
Model Q320/370/420 or
Q, J or B 450/600/800/1000/1300/1600/1800
QuietQube Models Q600C/Q800C/Q1000C
GSI200 will be centered on the front panel.
Measure 6.5” (16.5 cm) left and right of center
Model Q200/280 or J - B 200/320/420
GSI200 will be offset ½” (1.27 cm) on the front panel.
Measure 6.0” (15 cm) left and 7.0 (17.8 cm) right of center.
Verify the ice machine control box cover screw aligns with a
slot in the sachet holder. This prevents bulging of the front
panel.
QuietQube Models IB600C/IB800C/IB1000C
GSI200 will be offset 3.5” (8.9 cm) to the left on the front
panel. Measure 10.0” (25.4 cm) left and 3.0 (7.6 cm) right of
center. Verify the GSI200 does not interfere with the water
curtain (at the ice thickness probe).
8. Remove backing from double-sided tape on the
bottom of the timer housing.
9. Locate the timer housing on the front panel where
the foam tape was removed in step 7, then press to
seal tape.
10. Mark and drill four 3/32” pilot holes (two on top,
two at rear). Secure timer to front cover with
screws.
Top - Use two pan head screws
Rear – Use two flat head screws
Pan Head Screws
On Top
Flat Head Screws
On Rear
SV2098
11. Remove Ice Sentry sachet packet(s) from foil
package and install into holder. Removing the foil
packet allows the moisture in the air to activate the
packet contents.
Q200/280 or J – B 200/320/420
erify sachet holder does not rest on
control box cover screw before
permanently attaching to front panel.
SV2097
12. Replace ice machine front cover
SV2095
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Page 8
We reserve t h e right to make pr oduct
improvements at any time.
Specifications and design are subject
to change withou t notice.
MANITOWOC ICE, INC.
2110 South 26th Street P.O. Box 1720
Manitowoc, WI 54221-1720
Web Site - www.manitowocice.com
Phone: (920) 682-0161
Fax: (920) 683-7585
2002 Manitowoc Ice, Inc.
Litho in U.S.A.
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