| | YY-383 | YY-383S |
|---|
 Configuration
|
| Externalmaterial | Cold-rolledsteelsheet with melamine resin baked-painting |
| Painting color | YSCstandardcolor(DIC-G-61) |
| Temperaturerange | 4°C to 10°C | 4°C to10°C (dependonsupplywater temp.) |
| Temperaturecoolingtime | 60 min (from25°Cto4°C) |
| Temperaturecontroller | Digitalsetting,digital indication (PID control) |
| Temperaturesensor | Pt 100 |
| Refrigerator | 1.5 kw | 2.25 kw |
| Cooling unit | Stainlesssteelpipecooling unit |
| Refrigerant | R-407C(ISO140001compliance) |
| Pump | Immersiblepump |
| pHmeterandelectrode | Coolantconcentrationmeasurement | ---- |
| Float switch | Lead-typeliquidsurface switch |
| Pressure gauge | Pressuregaugewiththe contact switch |
| Integrationflow-meter | Digitaldisplayflowmeter |
| Water inlet | 12 mmdia.tubeconnector (with hand valve and solenoid valve) |
| Coolantorwateroutlet | 12 mmdia.tubeconnector |
| Coolantreturninlet | 40 mm dia.tubeconnector | ---- |
| Drain | PVCpipefitting(with hand valve) |
| Main tank | PVC, 100 L |
| Filter | 50 to 100 micronfilter(2Filter) | ---- |
| Chemicaltank(Threetanks) | PVC, 40 L (each tank) | ---- |
| Externaldimensions | W900×D1200×H1500mm |
| System |
| Type | Re-circulation | Drain |
| pH control | OK | None |
| Filter system | OK | None |
| ControlPanel |
| Pressure gauge | Analogpressuregauge with upper limit contact
Pressure range : 0～1.0MPa Accuracy : ±1% |
| Temperaturecontroller | Digitalsetting,digital indication (PID control) |
| pHmeterandelectrode | Digitalsetting,digital indication |
| System control | ControlledbyProgrammable controller (PLC) |
| Timer | 99hours59min(arbitrarily set) |
| Emergencystopswitch | Mushroomtypelockswitch |
| Lamps | Alarmlamps(Temperature, pH, Refrigerator, Pump)opening/stoplamps,Signal tower etc. |
| Safety |
| Over current | ProtectbyCircuitbreaker |
| pH condition | Upperlimitalarmcontact of pH controller with upper-limit contact isconnected,and Lower limit alarm contact of pH controllerwithupper-limitcontact is connected. |
| Refrigerator | ProtectbyThermalrelay |
| Pump | ProtectbyThermalrelay and Level sensor |
| Hi pressure | Bypressuregaugeupper limit contact |
| Tank level low | ByTanklevelsensor |
| Shortcircuitbreaker | Shortcircuit/overcurrent has occurred, the power supply isturnedoff. |
| RequiredUtility |
| Power supply | AC200/220/380V,3-phase50/60Hz,5 KVA | AC200/220/380V,3-phase50/60Hz,7 KVA |
| Water supply | Fromfacility |