BECS BECSys3 - Wiring the BECSys3 Controller; Unit Wiring and Cover Opening

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9487 Dielman Rock Island Ind Dr, St. Louis, MO 63132 www.becs.com
Installation and Technical Manual Rev: H10
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The BECSys3 is housed in a NEMA 4X (IP65) enclosure. It should not be used in explosive environments. The
BECSys3 should be mounted so that adequate ventilation is provided around the enclosure, preventing general
environmental specifications from being exceeded (see table below).
Environmental Specifications
Specification
Rating
Storage Temperature
-30 to 60 Deg C
Ambient Operating Temperature
-18 to 40 Deg C
Ambient Humidity
95% non condensing maximum humidity
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The BECSys3 may be ordered in either an 115VAC model or a 230VAC model. Following are the electrical
specifications for each model:
Controller Ratings
115VAC Model
230VAC Model
Voltage:
115VAC 60Hz
230VAC 50Hz
Phase:
Single
Single
Current:
9.25 Amps Full Load
4.625 Amps Full Load
(¼ Amp – Controller)
(⅛ Amp – Controller)
(9 Amps – Relay Outputs, 3A X 3)
(4.5 Amps – Relay Outputs, 1.5A X 3)
Relay Output Ratings
115VAC Model
230VAC Model
Relay 1 (K1)
115VAC (max) – 3 Amps
250VAC (max) – 1.5 Amps
Relay 2 (K2)
115VAC (max) – 3 Amps
250VAC (max) – 1.5 Amps
Relay 3 (K3)
115VAC (max) – 3 Amps
250VAC (max) – 1.5 Amps
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Standard Sensors
pH
0.0 to 14.0 pH
Reed Flow Switch
Switch Point (On): 2.0 gpm
Rotary Flow Switch
Switch Point (On): 1.5 gpm
Optional Sensors
Temperature
32°F to 212°F (0°C to 100°C)
ORP
-1500mV to 1500mV
Amperometric ppm
0 ppm to 20 ppm