Boiler house

TDS blowdown controls

2.4.23

Technical data BC3150 (continued)

Input

technical

data

Water

conductivity

Temperature

compensation

(TC)

Probe

cleaning

4 - 20 mA

Probe types

Ranges

Accuracy

μS/cm to ppm conversion

Neutralising factor

Resolution

Drive:

Sensor type

Range

Accuracy

Resolution

Drive:

Maximum voltage

Drive

Time

Minimum current

Maximum current

Open circuit voltage (maximum)

Resolution

Maximum output load

Isolation

Output rate

Contacts

Voltage ratings (maximum)

Resistive load

Inductive load

ac motor load

Pilot duty load

Electrical life (operations)

Mechanical life (operations)

CP10, CP30 and CP32

Minimum ≥ 1 μS @ 25°C

0 – 9.99 ppm or μS/cm

0 – 99.9 ppm or μS/cm

0 – 999 ppm or μS/cm

0 – 9990 ppm or μS/cm

±2.5% FSD (possibly > in high EM locations)

0.7

0.7

0.1% FSD

ac – 4 wires

Pt100 – Class B or better

0 - 250°C

(With Pt100 not fitted – user programmed temperature

100 - 250°C, 1°C steps)

±2.5% FSD – system accuracy ±5%

0.1% FSD

dc – 3 wires

32 Vdc

Pulsed (1 second on, 1 second off)

20 seconds

0 mA

20 mA

19 Vdc

0.1% FSD

500 ohm

100 V

10 / second

2 x single pole changeover relays (SPCO)

250 Vac

3 amp @ 250 Vac

1 amp @ 250 Vac

1⁄4 HP (2.9 amp) @ 250 Vac

1

/

10

HP (3 amp) @ 120 Vac

C300 (2.5 amp) - control circuit / coils

3 x 10

5

or greater depending on load

30 x 10

6

Output

technical

data

Relays

Page 4 of 5

TI-P403-91 AB Issue 6

BC3150 Blowdown Controller