GE Osmonics E4H Series, Руководство по эксплуатации и обслуживанию

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E4H Series
Operation & Maintenance Manual
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2. 2450 Installation Schematic
A.2 Features
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Two-electrode conductivity sensor with MNPT process connection
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Differential pH sensor with ¾ MNPT process connection
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Two water meter inputs for permeate and concentrate flow rates
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RS232 output for remote monitoring, control, and data acquisition (-RS2L)
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Input for CIP lockout
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Include Real Time Clock (-RTC)
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System run timer
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Five countdown timers: lubrication interval, check CIP, check filters, check membrane elements,
check sensor
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Four relays have user-selectable options: pH setpoint, conductivity setpoint, temperature setpoint,
permeate flow setpoint, concentrate flow setpoint, percent recovery setpoint, various alarms
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4-20 mA outputs for (-35L, select any four): pH, conductivity, temperature, concentrate flow,
permeate flow, percent recovery
A.3 Specifications
Table 6. 2450 Input Specifications
Power 80-300 VAC
Sensor 2- or 4-electrode conductivity pH differential
Temperature Compensation None, 500 NTC, 4K NTC
CIP Switch Dry contact
Water Meter Inputs Two, open collector type
Table 7. 2450 Output Specifications
Relays 3 Amps, 120 VAC each
4-20 mA Two, isolated with –35L
RS232 Requires Windows-based PC with –RTC-RS2L