Instruction Manual Modular Crescent Cuber Serenity Series Models KMS-1402MLJ Including Condensing Unit Models SRK-15J/3 hoshizakiamerica.
WARNING Only qualified service technicians should install and service the icemaker. To obtain the name and phone number of your local Hoshizaki Certified Service Representative, visit www.hoshizaki.com. No installation or service should be undertaken until the technician has thoroughly read this Instruction Manual. Likewise, the owner/manager should not proceed to operate the icemaker until the installer has instructed them on its proper operation.
IMPORTANT This manual should be read carefully before the icemaker is installed and operated. Read the warnings and guidelines contained in this booklet carefully as they provide essential information for the continued safe use and maintenance of the icemaker. Retain this booklet for any further reference that may be necessary. CONTENTS Important Safety Information.................................................................................................. 4 I. Specifications..........................
Important Safety Information Throughout this manual, notices appear to bring your attention to situations which could result in death, serious injury, damage to the unit, or damage to property. WARNING Indicates a hazardous situation which could result in death or serious injury. NOTICE Indicates a situation which could result in damage to the unit or property. IMPORTANT Indicates important information about the installation, use, and care of the unit.
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. Failure to meet these code requirements could result in death, electric shock, serious injury, fire, or damage. • THE ICEMAKER MUST BE GROUNDED.
I. Specifications A. Electrical and Refrigerant Data The rating label (KMS) and nameplate (KMS and SRK) provide electrical and refrigerant data. The rating label can be seen by removing the front panel. The nameplate is located on the rear panel of the icemaker and on the side panel of the remote condensing unit. For certification marks, see the nameplate. We reserve the right to make changes in specifications and design without prior notice. 1.
B. Dimensions/Connections 1. KMS-1402MLJ Units: mm [in.] Side Rear Bottom NOTICE • Allow 6" (15 cm) clearance at rear, sides, and top for proper air circulation and ease of maintenance and/or service should they be required. • The ice storage bin opening must match the bottom opening as in the illustration.
2. SRK-15J/3 Front Side Top Unit: mm [in.] Note: Legs are included with remote condensing unit. Leg height is 380 mm (14.96 in.).
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 equipment in accordance with this manual will adversely affect safety, performance, component life, and warranty coverage and may result in costly water damage. • CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews are securely in place after installation.
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 icemaker performance. • Maximum line set length is 66 feet. No refrigerant charge adjustment is necessary.
B. Checks Before Installation • Visually inspect the exterior of the shipping containers and immediately report any damage to the carrier. Upon opening the containers, any concealed damage should also be immediately reported to the carrier. • Remove the shipping carton, tape, and packing material. If any are left in the icemaker or remote condensing unit, they will not work properly. 1. Icemaker • Remove the panels to prevent damage when installing the icemaker. See "II.C. How to Remove Panels.
C. How to Remove Panels 1. Icemaker • Front Panel: Remove the screw. Lift up and towards you. Top Insulation • Top Panel: Lift off. • Right Side Panel: Remove the screw. Slide forward slightly and lift off. Top Panel • Insulation Panel: Remove the thumbscrews. Lift up slightly and pull towards you. Insulation Panel • Top Insulation: Lift off. • Front Frame: NOTICE! Leave the front frame in place until "II.D.2 Water Tank Removal." Front Frame Right Side Panel Front Panel Icemaker Fig. 3 2.
D. Installation of the Icemaker NOTICE • 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. For details, see "II.F. Electrical Connection." • Before operating the icemaker, the bin control must be installed correctly. Failure to properly install the bin control could result in ice backup and unit damage.
5a) Dispenser Unit: Follow the dispenser unit's instructions for securing the icemaker to the dispenser unit. If no instructions are available, secure the icemaker to the dispenser unit using the mounting brackets provided. Rotate the mounting brackets so that they fit flush to the dispensing unit. See Fig. 6a. Secure the mounting brackets to the icemaker with the bolts provided. Secure the mounting brackets to the dispensing unit with self‑tapping screws (not provided).
2. Water Tank Removal 1) Remove the front frame and splash curtain. See Fig. 7. 2) Disconnect the pump suction hose, drain pipe, and float connection hose at the evaporator case wall. Disconnect the water tank drain hose from the bottom of the water tank. Although the water tank can be removed at this point, do not remove it yet because the bin control is taped inside the water tank. NOTICE The bin control cable is routed through the back of the icemaker.
7) Dispenser Unit: Seal the inner perimeter of the icemaker evaporator section to the dispenser unit adapter kit with RTV-748 sealant (provided) or equivalent. See Fig. 9. Make sure the inner perimeter sealant meets the outer perimeter sealant and that there are no gaps. WARNING The following locations must be properly sealed with RTV-748 sealant or equivalent. Otherwise, water leakage may occur which could result in a slip hazard and costly water damage.
3. 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 2 outer switch cover thumbscrews from the switch cover. See Fig. 10. 2) Remove the 2 inner switch cover thumbscrews. Slide the bin control out of the switch mount. 3) Mount the bin control to the extension bracket using the 2 thumbscrews from the accessory bag.
6) Slide the bin control assembly all the way back until the switch mount is flush with the dispenser unit bin wall or the storage bin wall, top kit extension bracket, or brace. See Fig. 11. Tighten the outer switch cover thumbscrews. NOTICE On dispenser unit applications, do not leave a gap between the bin control and the wall of the dispenser unit bin wall. If a gap is left between the bin control and the wall of the dispenser unit bin wall, ice may get between them and damage the bin control.
E. Installation of the Remote Condensing Unit WARNING • Installation must be performed by properly trained and EPA-certified service personnel. • Power supply and ground wire to the icemaker are supplied from the remote condensing unit. For details, see "II.F. Electrical Connection." 1. Setup 1) Secure the legs to the remote condensing unit with the 8 bolts and nuts provided. See Fig. 13. 2) The legs have 8 mounting holes. Secure the legs with 8 bolts (not included).
3. Line Set Installation WARNING • R-404A itself is not flammable at atmospheric pressure and temperatures up to 176°F (80°C). • R-404A itself is not explosive or poisonous. However, when exposed to high temperatures (open flames), R-404A can be decomposed to form hydrofluoric acid and carbonyl fluoride both of which are hazardous. • Do not use silver alloy or copper alloy containing arsenic. • Do not open any service valve until the line set installation is complete and leak tested.
11) Open the icemaker service valves first, then open the remote condensing unit service valves. 12) Replace the service valve caps and tighten. 13) Insulate all exposed tubing and fittings. Hoshizaki Technical Support is available at 1-800-233-1940 for recommendations. Remote Condensing Unit (with compressor) Icemaker Shutoff Valve Max. 10 Feet Max. 33 Feet Max. 16.5 Feet Suction Line "S" Oil-Trap 1/2" OD Liquid Line (insulated) Max. 16.
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. If fabricating a wire bundle, use wire of an appropriate gage and outdoor rating.
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. 16 as a reference. 2a) Icemaker: Connect the wire bundle ground wire to the icemaker ground screw, then connect the rest of the wire bundle wires to the icemaker terminal block. WARNING! Do not connect the wire bundle ground wire to the icemaker terminal block.
V V P P HGV Contactor Fuse 10A BR BR BK W LLV BK Neutral W GR GND Wire Color Code: BK- black BR- brown GR-green P- pink V- violet W- white SRK Remote Condensing Unit Fuse 10A V CB BR Legend: GND-ground HGV- hot gas valve CB- control board LLV- liquid line valve GND BR GR KMS Icemaker V P HGV P Use wire bundle supplied with the Remote Condensing Unit or fabricate a wire bundle using wire of an appropriate gage and outdoor rating.
G. Water Supply and Drain Connections See Fig. 17 WARNING Water supply and drain connections must be installed in accordance with applicable national, state, and local regulations. NOTICE • Normal operating water temperature should be within 45°F to 90°F (7°C to 32°C). Operation of the icemaker, for extended periods, outside of this normal temperature range may affect icemaker performance.
1. Icemaker • Icemaker water supply inlet is 1/2" female pipe thread (FPT). A minimum of 3/8" nominal ID copper water tubing or equivalent is required for the icemaker water supply line. • An icemaker water supply line shut-off valve and drain valve should be installed. • Icemaker drain outlet is 3/4" FPT. A minimum of 3/4" nominal ID hard pipe or equivalent is required for the icemaker drain line. Condensation drain outlet is 5/8" OD hard tube.
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/storage bin.
I. Startup WARNING All parts are factory-adjusted. Improper adjustments may adversely affect safety, performance, component life, and warranty coverage. NOTICE • If the unit is turned off, wait for at least 3 minutes before restarting the unit to prevent damage to the compressor. • To prevent damage to the water pump seal, do not leave the control switch in the "SERVICE" position when the water tank is empty. • At startup, confirm that all internal and external connections are free of leaks.
14) Seal the outer perimeter of the front frame to the icemaker and dispenser unit/storage bin with RTV-748 sealant (provided) or equivalent. See Fig. 19. Make sure the front frame sealant meets the previously applied perimeter sealant and that there are no gaps. 15) Move the control switch to the "ICE" position. 16) Replace the front panel in its correct position. 17) Turn on the power supply to start the automatic icemaking process.
III. Maintenance The appliance must be maintained in accordance with the instruction manual and labels provided. Consult with your local Hoshizaki Certified Service Representative about maintenance service. WARNING • Only qualified service technicians should service the appliance. • To reduce the risk of electric shock, do not touch the control switch with damp hands. • Move the control switch to the "OFF" position and turn off the power supply before servicing.
B. Cleaning and Sanitizing Instructions The icemaker must be cleaned and sanitized at least once a year. More frequent cleaning and sanitizing may be required in some water conditions. WARNING • To prevent injury to individuals and damage to the icemaker, do not use ammonia type cleaners. • Carefully follow any instructions provided with the bottles of cleaning and sanitizing solution.
8) In bad or severe water conditions, clean the float switch as described below. Otherwise, continue to step 9. a. Remove the right side panel. b. Disconnect the flush tube from the top of the float switch housing, then remove the float switch assembly. Remove the rubber boot from the bottom of the assembly. c. Twist the wire stem on top of the float switch housing to release the float, then lower it out of the housing. d.
2. Sanitizing Procedure - Following Cleaning Procedure 1) Dilute 2 fl. oz. (60 ml or 4 tbs) of a 5.25% sodium hypochlorite solution (chlorine bleach) with 4 gal. (15 l) of warm water. 2) Remove the front panel, insulation panel, and splash curtain if they are in their normal positions. 3) Pour the sanitizing solution into the water tank. 4) Move the service switch to the "WASH" position. 5) Replace the splash curtain, insulation panel, and front panel in their correct positions.
C. 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 operate the icemaker with the control switch in the "SERVICE" position when the water tank is empty. When the icemaker is not used for two or three days under normal conditions, it is sufficient to move the control switch to the "OFF" position.
17) From the tee on the drain hose, blow out the drain valve using compressed air or carbon dioxide. 18) Move the service switch to the "CIRC." position and the control switch to the "OFF" position. 19) Reconnect the thermistor to the K3 connector on the control board. Reconnect the water pump connector. 20) Close the inlet water supply line drain valve. 21) Remove all ice from the dispenser unit/storage bin and clean the dispenser unit/storage bin liner using a neutral cleaner.
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.
618 Hwy. 74 South, Peachtree City, GA 30269 USA (P) 770.487.2331 (F) 770.487.3360 hoshizakiamerica.
