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COD: 50Z12/24.B.2018
Installation, use and maintenance manual
ZEN 50
12/24 V dc
Model.: ZEN 50
Matriculation number: 50Z12/24B
Year of construction: 2018
Schenker Italia
Via Delle Repubbliche Marinare, 67
80147 Naples Italy
Tel. +39 081 5593505
Fax. +39 081 5597372
E-mail: info@schenker.it
www.schenkerwatermakers.com
Schenker Italia
THE PRESENT MANUAL BELONGS TO -
- ALL RIGHTS RESERVED
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Summary of Contents for Schenker 50Z12/24B
- Page 1 COD: 50Z12/24.B.2018 Installation, use and maintenance manual ZEN 50 12/24 V dc Model.: ZEN 50 Matriculation number: 50Z12/24B Year of construction: 2018 Schenker Italia Via Delle Repubbliche Marinare, 67 80147 Naples Italy Tel. +39 081 5593505 Fax. +39 081 5597372 E-mail: info@schenker.it...
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Page 2: Table Of Contents
RELIMINARY CHECKS BEFORE PROCEEDING WITH THE START UP PROCEDURE ........30 5.2.2 S TART ............................... 31 5.3 N ORMAL OPERATING PROCEDURE ........................32 5.3.1 N ORMAL OPERATING PROCEDURE WITHOUT FINAL FLUSHING ..............32 Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... - Page 3 7. TROUBLESHOOTING ............................44 7.1 T ROUBLESHOOTING CHART ..........................44 8. SUGGESTED SPARE PARTS ......................... 45 8.1 S HORT TERM CRUISING ........................... 45 8.2 L ONG TERM CRUISING ............................. 45 Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED...
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Page 4: Layout Of Manual
This symbol indicates accident prevention regulations for the operator and / or for any exposed persons. CAUTION: This symbol indicates that there is the possibility of damaging the system and / or its components. NOTE: This symbol indicates useful information. Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... -
Page 5: General Warnings And Information To The Recipient
All rights of reproduction of this manual are reserved to SCHENKER ITALIA. This manual cannot be transferred to third parties without the written authorization of SCHENKER ITALIA. -
Page 6: Warranty
In case of repairs under guarantee performed by our technicians on the customer’s vessel, the faulty parts replacement cost will be at Schenker's expense, while manpower and travel expenses will be charged to the customer. The guarantee does not include faults caused by negligence in operating, maintenance and installation of the device (if not carried out by an authorised Schenker Service point). -
Page 7: Identification Of The Unit
With regard to removal and disposal, it should be noted that the materials of which the machine is made of are not of a dangerous nature and consist essentially of: Stainless Steel; Plastic; Carbon fibre; Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... - Page 8 ATTENTION Different legislations are in force in the different countries, therefore the prescriptions imposed by the laws and by the agencies designated by the Countries must be observed. Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED...
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Page 9: Product Presentation
The watermaker unit is transported in a cardboard box. In the following table dimension and weight are indicated. MATERIALS HANDLING fig. 3-1 Model L cm. W cm. H cm. Weight Kg. Zen 50 Packaging dimensions and weight tab.3-1 Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... -
Page 10: Stock
5 microns filter with accumulator Mesh filter Non-return valve with Tee fitting Remote panel 10 mt extension cable for remote panel Installation kit Filter key 6x8 hose for production Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... -
Page 11: Attached Documents
Do not store the unit under temperature below 5°C and above 35 °C DOCUMENTS INCLUDED IN THE PACKAGING FIG. 3-3 3.5 Technical data WATERMAKER WATERMAKER DIMENSIONS FIG. 3-4 Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... -
Page 12: Features Of The Product
3.6 Features of the product The water produced by a Schenker plant, produced from clean seawater has a purity of between 350 & 450 parts per million Totally dissolved solids (TDS/PPM), but the potability may not be guaranteed as bacterium may be present in the watermaker, caused by non-observance of shutdown and cleaning procedures. -
Page 13: Advantages Of The Energy Recovery System
Functioning principles The Schenker watermakers, as an alternative to the high-pressure pumps of traditional systems, utilizes the ENERGY RECOVERY SYSTEM patented device, which amplifies the pressure of common low-pressure pumps, and recoup all the hydraulic energy back from the membranes, allowing a high energy efficiency. -
Page 14: Composition Of The Machine
Pump box • Accumulator PUMP GROUP AND FILTER 12-24 V DC FIG. 3-6 5 micron cartridge filter with accumulator Pump box with controller Diaphragm pumps High pressure safety switch Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... -
Page 15: Watermaker Group
WATERMAKER GROUP (SIDE VIEW W/O COVER) FIG. 3-7 Watermaker outlet/discharge Watermaker inlet Reverse osmosis membranes Fresh water production WATERMAKER GROUP (FRONT VIEW W/O COVER) FIG. 3-8 Reset valve Manometer Depressurization valve Positioner knob Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... - Page 16 High pressure switch. It Is hydraulically connected to the pump group. It stops the system if the pump pressure exceeds 9,5 bar. In this case a high-pressure alarm is activated on the control panel. Schenker Italia THE PRESENT MANUAL BELONGS TO -...
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Page 17: Accessories
Mesh filter. The machine is equipped with a mesh filter to protect the pump from macro sediments. This is placed between the seacock and the pump. Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... -
Page 18: Mounting And Installation
Once an installation plan has been made it is recommended to make a schematic drawing of the hydraulic and electric connections and attach them to the manual for future reference. Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... -
Page 19: Components Mountings
L brackets and rubber feet provided. The brackets are color-coded according to the installation. L BRACKETS FIG. 4-1 VERTICAL AND HORIZONTAL FIXING FIG. 4-2 Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... - Page 20 4 – MOUNTING AND INSTALLATION COD.5 0Z12/24.B.2018 MOUNTING PROCEDURE FIG. 4-3 POSSIBLE CONFIGURATIONS FIG. 4-4 Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED...
- Page 21 If the unit is installed horizontally it is recommended connect the manometer horizontally as well in order to be visible. This can be done making use of the fittings provided. HORIZONTAL FIXING FIG. 4-6 3/8” Nipple 3/8” male to 1/8” female reducer 3/8” 90°-Degree Elbow Manometer Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED...
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Page 22: Accessories
An easily inspected mesh type filter will be required close to the water intake. The filter has to be of 50 Mesh. It is possible to use filters from existing outlets. • The seawater intake must be at least 3/4” size. Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... -
Page 23: Fresh Water Connection For Flushing
Minimum size ½’’ BSP It is possible TEE on existing discharge hoses (for instance tap discharges) provided that there are no returns of dirt water back to the watermaker. Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... -
Page 24: Hydraulic Connections
Plumb to pressure side of boat fresh water system Reinforced hose PN10 min int. dia. 16 mm. “Armorvin” type hose int. dia. 16 HYDRAULIC CONNECTION AND PIPES FIG. 4-7 Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... - Page 25 Low pressure connections – ¼’’ fittings, Small plastic blue • max 3 bar pipe 6x8mm provided within Watermaker - fresh water tank the scope of supply Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED...
- Page 26 It is possible, in case of metal tanks, to make a ¼” threaded hole to connect the supplied male connector. Another option is to Tee into the tank air vent hose.There are no particular limits on the connection length. Schenker Italia THE PRESENT MANUAL BELONGS TO -...
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Page 27: Electric Connections
The remote control panel can be connected through the pre-wired multiple cable of a 10mt standard length provided. It is possible to require to the factory a longer cable if necessary. REMOTE CONTROL PANEL FIG. 4-9 Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... -
Page 28: Electric Connections: Wires (Zen 50 12/24V Dc)
The microswitches allow the direct command of the pumps and of the electrovalve. They can be used as an emergency solution for starting the watermaker. They have to be switched off in normal condition. The rated current of the fuse is 400mA. Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... - Page 29 4 – MOUNTING AND INSTALLATION COD.5 0Z12/24.B.2018 ELECTRIC MAIN BOX SCHEME ZEN 50 12/24V DC FIG. 4-10 Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED...
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Page 30: Functioning And Use
4. Check the reset valve is closed (lever orthogonal to the body valve) and the positioner completely unscrewed. 5. Check the fresh water pressurizing pump of the boat is on. 6. Check the grey valve on the active carbon filter is open. Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... -
Page 31: Start-Up
4. Close the depressurization valve. The system starts going under pressure and the fresh water production begins. Check the working pressure of the unit is correct (7 – 8 bar). Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... -
Page 32: Normal Operating Procedure
1. Push ON/OFF to start the watermaker. 2. Push FLUSHING to flush and stop the watermaker. The watermaker will activate a flushing cycle then it will stop itself after 1 minute Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... -
Page 33: Working Cycle With Timer
Pump 2 will work. CAUTION After the cycle with a single pump the unit automatically will return to the normal 2 pumps mode. Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... -
Page 34: Reset Procedure
This event, besides being very unusual, does not damage the system, but it is necessary to reset the valve with the following simple procedure: 1. Open the reset valve (lever in horizontal position). 2. Open slightly the depressurization valve. Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... - Page 35 Normally 10 complete turns at least are needed. 4. Unscrew the positioner knob counterclockwise back to its original position, until it can be turned no more. Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED...
- Page 36 5 – FUNCTIONING AND USE COD.5 0Z12/24.B.2018 5. Close the reset valve (lever in vertical position). 6. Restart the system. 7. After some seconds close the depressurization valve. Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED...
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Page 37: Maintenance (Routine And Special)
2- 3 minutes the depressurization valve. Unscrew the filter housing counter clockwise by using the specific key provided Replace the active carbon Once per year fibre filter Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... -
Page 38: Check The Plant Working Pressure
The purpose of the shutdown is to flush the system from possible organic and inorganic sediments, and inhibit the growth of bacteria that could reduce the reverse osmosis membranes efficiency. Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... -
Page 39: Necessary Equipment
3. A bottle of powder SCHENKER CLEANING 1 (SC1). The solution must be prepared following the instruction indicated on the bottle label, and using unchlorinated water ( for instance water produced by the system can be an option). -
Page 40: Shutdown Operating Procedure
Pipes under the free water surface 3. Check they are well submerged in the solution and don't suck air. 4. Open the depressurization valve. Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... - Page 41 It is necessary to perform the first start-up procedure when restarting the plant after a shutdown procedure, in order to purge the air and drain out chemicals in the systems. Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED...
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Page 42: Antifreeze Procedure (Winterizing Procedure In Cold Climate - Under 5°C)
ATTENTION Before proceeding with any kind of service it is strongly recommended to read carefully the instructions contained in this manual. Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... -
Page 43: Periodic Maintenance
The accumulator is factory loaded at a pressure of about 4 bar. The charging pressure must be periodically checked. Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... -
Page 44: Troubleshooting
Purge air opening for a while the pressure valve Low production / high pressure Clogged filters Replace filters (> 9 Bar) Clogged membranes Perform washing with SC1 Cold seawater Normal condition Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED... -
Page 45: Suggested Spare Parts
SPARE PUMP SM-MOD 30/60 12V SP36/12 SPARE PUMP SM-MOD 30/60 24V SP36/24 MEMBRANE 2521 M2521 PORTABLE SALINITY TESTER PUMP PRESSURE SWITCH 30/60/50 PSP36 SPARE SEALS KIT ZEN50 2.0 SSZ5-2.0 PSP36 SP36/12-24 Schenker Italia THE PRESENT MANUAL BELONGS TO - - ALL RIGHTS RESERVED...
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