Hoshizaki KMS-1122MLH Instruction Manual
Modular crescent cuber serenity series
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- Service manual (49 pages) ,
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Summary of Contents for Hoshizaki KMS-1122MLH
- Page 1 Hoshizaki Hoshizaki America, Inc. Modular Crescent Cuber Serenity Series Model KMS-1122MLH with SRK-12H/3 INSTRUCTION MANUAL “A Superior Degree of Reliability” www.hoshizaki.com Issued: 4-3-2013 Revised: 7-22-2013...
- Page 2 Should the reader have any questions or concerns which have not been satisfactorily addressed, please call, send an e-mail message, or write to the Hoshizaki Technical Support Department for assistance. Phone: 1-800-233-1940; (770) 487-2331 Fax: 1-800-843-1056;...
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Page 3: Table Of Contents
Retain this manual for any further reference that may be necessary. CONTENTS Important Safety Information ....................4 I. Specifications ........................6 A. Electrical and Refrigerant Data ..................6 1. KMS-1122MLH ......................6 2. SRK-12H/3....................... 6 B. Dimensions/Connections ....................7 1. KMS-1122MLH ......................7 2. SRK-12H/3....................... 8 II. -
Page 4: Important Safety Information
Important Safety Information Throughout this manual, notices appear to bring your attention to situations which could result in death, serious injury, damage to the appliance, or damage to property. WARNING Indicates a hazardous situation which could result in death or serious injury. - Page 5 WARNING, continued Icemaker • Do not connect the icemaker to an external power source. Icemaker power supply and ground connection are supplied from the remote condensing unit via the wire bundle provided with the remote condensing unit. • Wire bundle routing (conduit) and disconnect (if required) must meet national, state, and local electrical code requirements.
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Page 6: Specifications
For certification marks, see the nameplate. We reserve the right to make changes in specifications and design without prior notice. 1. KMS-1122MLH Model Number KMS-1122MLH... -
Page 7: Dimensions/Connections
B. Dimensions/Connections Units: mm [in.] 1. KMS-1122MLH Rear Side Bottom NOTICE • Allow 15" (38 cm) clearance on left side for removal of spray tube and cube guide. There is no minimum clearance required for proper operation. • The storage bin opening must match the bottom opening as in the illustration. -
Page 8: Srk-12H/3
Heat of Rejection AT 90°F (32°C) Allow 24" (61 cm) clearance at front Model WT 70°F (21°C) and rear for proper air circulation and KMS-1122MLH 21,300 BTU/hr with SRK-12H ease of maintenance and/or service KMS-1122MLH 21,000 BTU/hr should they be required. -
Page 9: Installation And Operating Instructions
II. Installation and Operating Instructions WARNING • The icemaker and remote condensing unit must be installed in accordance with applicable national, state, and local codes and regulations. • Failure to install, operate, and maintain the appliance in accordance with this manual will adversely affect safety, performance, component life, and warranty coverage and may result in costly water damage. -
Page 10: Remote Condensing Unit
2. Remote Condensing Unit NOTICE • The remote condensing unit is intended for outdoor use. Normal operating ambient temperature must be within -20°F to 122°F (-29°C to 50°C). Operation of the remote condensing unit, for extended periods, outside of this normal temperature range may affect performance. -
Page 11: Checks Before Installation
• This icemaker can be installed on a dispenser unit or ice storage bin 22" wide or wider. For options, contact your local Hoshizaki distributor. • NOTICE! This icemaker is designed for connection to Hoshizaki Remote Condensing Unit Model SRK-12H or SRK-12H3 only! Connection to another remote condensing unit will void the warranty. -
Page 12: How To Remove Panels
C. How to Remove Panels 1. Icemaker • Front Panel: Loosen the screw. Lift up and towards you. Top Insulation Panel • Apron Panel: Loosen the screws. Lift off. Top Panel • Top Panel: Lift off. Side Insulation Panel • Left and Right Side Panels: Remove Left Side the screws. -
Page 13: Setup
2) Position the dispenser unit/ice storage bin in its permanent location. 3) If required, install an adapter kit or top kit. Contact your local Hoshizaki distributor for recommendations. 4) Level the dispenser unit/ice storage bin in both the left-to-right and front-to-rear directions. - Page 14 Dispenser Unit Application Ice Storage Bin Application 2" (51 mm) Offset Mount Flush Mount Icemaker Icemaker Icemaker Standard 2" (51 mm) Standard Mounting Offset Mounting Brackets Mounting Brackets Brackets Bolts Bolts Bolts Self-Tapping Self-Tapping Dispenser Storage Bolts Bolts Unit Dispenser Unit Fig.
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Page 15: Bin Control
2. Bin Control NOTICE Before operating the icemaker, the bin control assembly must be installed correctly. Failure to properly install the bin control assembly could result in ice backup and unit damage. 1) Remove the bin control insulation and bin control cover. See Fig. 6. 2) Remove the bin control bracket, bin control bulb holder, two 4×6 screws, two lock washers, two flat washers, and two 4×8 screws from the accessory bag. -
Page 16: Installation Of The Remote Condensing Unit
20' (6 m), 35' (11 m), and 55' (17 m) 66' (20 m) Precharged factory line sets, available as optional equipment from Hoshizaki America, are recommended. For details see "II.E.2.a) Factory Line Set Installation." Field fabricated line sets are allowed. For details, see "II.E.2.b) Field Fabricated Line Set Installation."... - Page 17 Remote Condensing Unit 1/2" OD Liquid Line Icemaker (insulated) Max. 16.5' (5 m) Service Loop Suction Line "S" Oil-Trap Storage 1/2" OD Liquid Line (insulated) Max. 5/8" OD Suction Line 16.5' (insulated) (5 m) Icemaker 5/8" OD Suction Line (insulated) Service Loop Remote Condensing Unit Storage...
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Page 18: A) Factory Line Set Installation
a) Factory Line Set Installation 1) Route the factory line set (5/8" OD suction line and 1/2" OD liquid line) from the remote condensing unit to the icemaker. Leave a service loop behind the icemaker to allow the icemaker to be pulled out for service. See Fig. 8. Factory fabricated line sets are precharged and do not need to be evacuated. -
Page 19: B) Field Fabricated Line Set Installation
2) Insulate the two copper tubes separately. 3) Install Parker quick connect couplings on each end. OS-Quick, a universal quick connect coupling kit available as optional equipment from Hoshizaki America, is recommended. NOTICE! Before brazing, remove the Schrader valve core from the access port. - Page 20 Male Fitting DO NOT USE THREAD SEALANT Brush Apply POE Oil or POLYOL Parker Super O Lube ESTER to Entire Male Fitting (POE) OIL Threads THREAD Diaphragm SEALANT PARKER O LUBE O-Ring SUPER Fig. 9 Wrench Reference Line 1/6 Turn After Tight, Tighten an Additional 1/6 Turn Backup...
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Page 21: Electrical Connection
F. Electrical Connection WARNING Icemaker • Do not connect the icemaker to an external power source. Icemaker power supply and ground connection are supplied from the remote condensing unit via the wire bundle provided with the remote condensing unit. • Wire bundle routing (conduit) and disconnect (if required) must meet national, state, and local electrical code requirements. - Page 22 1) Route the wire bundle between the icemaker and remote condensing unit. Use the wire bundle supplied with the remote condensing unit, or fabricate a wire bundle using wire of an appropriate gage and outdoor rating. Use the wiring label or Fig. 12 as a reference.
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Page 24: Water Supply And Drain Connections
• A plumbing permit and services of a licensed plumber may be required in some areas. • External filters, strainers, or softeners may be required depending on water quality. Contact your local Hoshizaki distributor for recommendations. • Water supply pressure must be a minimum of 10 PSIG and a maximum of 113 PSIG. If the pressure exceeds 113 PSIG, the use of a pressure reducing valve is required. - Page 25 Separate piping to approved drain. Leave a Vent Tube two-inch (5 cm) vertical air gap between the end of each pipe and the drain. Minimum 3/4" Nominal ID Hard Pipe or Equivalent KMS-1122MLH 2-inch (5-cm) air gap Fig. 13 Floor Drain...
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Page 26: Final Checklist
H. Final Checklist WARNING CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews are securely in place after installation. Make sure that none have fallen into the dispenser unit/ice storage bin. 1) Is the icemaker level? 2) Is the icemaker in a site where the ambient temperature is within 45°F to 100°F (7°C to 38°C) and the water temperature within 45°F to 90°F (7°C to 32°C) all year around? 3) Is there at least 15"... -
Page 27: Startup
I. Startup WARNING All parts are factory-adjusted. Improper adjustments may adversely affect safety, performance, component life, and warranty coverage. NOTICE • If the appliance is turned off, wait for at least 3 minutes before restarting the appliance to prevent damage to the compressor. •... - Page 28 8) Replace the drain plug in its correct position. Be careful not to cross thread the drain plug. 9) Clean the dispenser unit/ice storage bin liner using a neutral cleaner. Rinse thoroughly after cleaning. 10) Move the control switch to the "ICE" position. 11) Replace the side insulation, left side, top, apron, and front panels in their correct positions.
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Page 29: Maintenance
III. Maintenance The icemaker must be maintained in accordance with the instruction manual and labels provided with the icemaker. Consult with your local Hoshizaki Certified Service Representative about maintenance service. WARNING • Only qualified service technicians should service the icemaker. -
Page 30: Cleaning And Sanitizing Instructions
"SERVICE" position for extended periods when the water tank is empty. 1. Cleaning Procedure 1) Dilute 27 fl. oz. (800 ml) of Hoshizaki "Scale Away" with 5 gal. (19 l) of warm water. 2) Remove all ice from the evaporator and the dispenser unit/ice storage bin. -
Page 31: Sanitizing Procedure - Following Cleaning Procedure
8) In bad or severe water conditions, clean the float switch as described below. Otherwise, continue to step 9. a. Remove the float switch assembly. b. Remove the retainer rod from the bottom of the float switch housing, then remove the float. - Page 32 4) Move the service switch to the "WASH" position. 5) Replace the side insulation, left side, top, apron, and front panels in their correct positions. 6) Turn on the power supply to start the sanitizing process. 7) Turn off the power supply after 15 minutes. Remove the front panel. 8) Move the service switch to the "DRAIN"...
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Page 33: Preparing The Icemaker For Periods Of Non-Use
IV. Preparing the Icemaker for Periods of Non-Use NOTICE • When storing the icemaker for an extended time or in sub-freezing temperatures, follow the instructions below to prevent damage. • To prevent damage to the water pump, do not leave the control switch in the "SERVICE"... -
Page 34: Disposal
V. Disposal The appliance contains refrigerant and must be disposed of in accordance with applicable national, state, and local codes and regulations. Refrigerant must be recovered by properly certified service personnel. - Page 35 HOSHIZAKI AMERICA, INC. 618 Hwy. 74 S., Peachtree City, GA 30269 USA TEL (770) 487-2331 FAX (770) 487-3360 www.hoshizaki.com 1A3072-010...