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eController Specifications
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eController Specifications
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Advanced Cooling Tower and Boiler Controllers

An eController from Watertech of America can take your water treatment control program out of the dark ages. These controllers have the latest, most advanced, cooling and boiler water control methods available on the market.  That, combined with 21st century remote monitoring capabilities make this the best controller available on the market today.

Specifications

INPUTS


Power:

110-120/220-240 VAC, 12 amp, 50/60 Hz
Sensors (1 standard, up to 4 optional)
Signal: +/- 1.4 VDC (isolated)
Digital Inputs (6 standard, additional 6 optional)
Isolated dry contact, 0-300 Hz, 1.5 msec minimum width

Analog, 4:20 mA Inputs (8 optional)
2 or 3 wire, internally powered by 24 VDC loop power available,

25 ohm input resistance, 1000 ohm maximum load

OUTPUTS


Mechanical relays (8 standard)
115VAC, 10 amp resistive, 1/8 HP
230VAC, 6 amp resistive, 1/8 HP
May be dry contact or powered by line voltage.
R1-R4 fused together, current not to exceed 5.5 amp
R5-R8 fused together, current not to exceed 5.5 amp
Only powered relays are fused.
N.O. and N.C. contacts provided.

Analog (4-20 mA) Outputs (up to 4 optional)
Isolated, 500 ohm maximum load, internally powered by 24 VDC

MECHANICAL


Enclosure: Thermoplastic
NEMA Rating: NEMA 4X
Display: 64 x 128 pixel backlit LCD
Operating Ambient Temperature: 0 to 49°C (32 to 120°F)
Storage Temperature: -29 to 80°C (-20 to 176°F)
Shipping Weight: Approx. 5.4kg (12 lb)

AGENCY CERTIFICATIONS


UL ANSI/UL 61010-1:2004, 2nd Edition*
CAN/CSA C22,2 No.61010-1:2004 2nd Edition*
CE Safety EN 61010-1 2nd Edition (2001)*
CE EMC EN 61326 :1998 Annex A*
Note: For EN61000-4-6,-3 the controller met performance
criteria B.
*Class A equipment: Equipment suitable for use in establishments
other than domestic, and those directly connected to a
low voltage (100-240 VAC) power supply network which
supplies buildings used for domestic purposes.

 

MEASUREMENT PERFORMANCE

 
RANGE
RESOLUTION
CALIBRATION
Contacting Conductivity
10 to 10,000 μS/cm
1 μS/cm
±50% of raw reading (scalable to ppm)
pH
-2 to 16 pH
0.01 pH
Single or Dual Point
ORP
-1400 to 1400 mV
1 mV
Single or Dual Point
Temperature
0 to 200°C (32 to 392°F)
1°C (1°F)
Single Point
Electrodeless Conductivity
1,000 to 10,000 μS/cm
1 μS/cm
Single or Dual Point (scalable ppm)
Free Chlorine
0 to 10 mg/l (PPM)
0.01 mg/l

Single Point and Zero
Chlorine Dioxide
0 to 10 mg/l (PPM)
0.01 mg/l
Single Point and Zero
 
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