LMI Technologies Liquitron DC4000 Series User Manual

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9.0 ProductSpecications
Power 115 VAC +/-15%, 50/60 Hz
Requirements 230 VAC +/-15%, 50/60 Hz
   VoltageinputselectableviaaselectorswitchlocatedontheI/OPCB
Fuse: 4A 250 VAC Time Delay
Inputs Flow Switch
All low voltage inputs active low, i.e. the active state is when the switch is closed.
The switch must be capable of switching 2 mA at +/-15 VDC.
Outputs Alarm
4-20 mA: 600 ohms maximum
Keypad Three key membrane keypad with tactile response
   Material:Polyesterwithahardcoatnish
   ActuationForce:2.6Nto3.3N
Temperature Input Thermistorresistance10kOhmsat77°F[25°C]
   TemperatureDisplay:32°Fto212°F[0°Cto100°C]
   Temperatureresolution:+/-1.8°F[+/-1°C]
Probe Input Cell constant of 1.5
ESD Protection: 700 Volts
Three (3) sample readings / second : display updated every second
Relays Fuse protected electromechanical.
Bleed/Control Relay (1): 250 VAC, 10 amp contact relay
Feed Relay (1): 250 VAC, 10 amp contact relay
Alarm Relay (1): 250 VAC, 10 amp contact relay
   Contacttype:Normallyopenandnormallyclosedcontacts(FORMC)Changeover
relay
LCD Display  16-DigitLiquidCrystalDisplay[LCD]withgreenbacklighting
Operating
Temperature 32°Fto122°F[0°Cto50°C]
Memory Backup EEPROM.Dataretentionof10yearsminimum
Environmental Printed pc boards conformally coated.
   Enclosure:IECIP65,NEMA4X-Doorclosed.IECIPNEMA-12Dooropen.
Mechanical Two (2) pc boards
Control CPU board: microcontroller and display - low voltage
   TerminalpowerI/Oboard:transformer,fuses,terminalblocks,relays
% Time - ..............................10%
Feed after Bleed ......... ................10%
Feed after Bleed - Limit ................10 minutes
Limit (Feed & Bleed)....
.................10 min limit
FlowAlarm(On/Off).... ...................Off
Trip (Rise/Fall) ................................Rise
4 mAmp setting...............................0 µS
20 mAmp setting.............................20,000 µS
Display (µS/PPM TDS)
...................µS
Control (Boiler/Cooling Tower)........Cooling Tower
8.0 Factory Settings
Temperature ...................Fahrenheit
Conductivity Set point ......2000 µS
Delta Differential ...............100 µS
Low Alarm ..................100 µS
High Alarm ..................4000 µS
Feed Mode ..................Pulse Timer
Pulse Timer .................10 seconds
Pulse Count .................1owmetercount
% Time - Cycle Time ........10 minutes
(866) 433-6682 • (281) 359-8538 • sales@novatech-usa.com • www.novatech-usa.com

LMI Technologies Liquitron DC4000 Series Specifications

General

Brand	LMI Technologies
Model	Liquitron DC4000 Series
Category	Controller
Language	English