Boiler house

TDS blowdown controls

2.4.27

Clamping screw

BC3250

100

50

0

%

OK

Graphic display

5 button display

Clamping screw

SP

PV

AL

Approvals

This product complies with the Electromagnetic Compatibility Directive 2014/30/EU and all its requirements.

The BC3250 is suitable for Class A Environments (e.g. industrial). A fully detailed EMC assessment has been made and has the reference

number UK Supply BH BC3250 2008.

The BC3250 complies with the Low Voltage Directive by meeting the standards of:

-

EN 61010-1:2010 safety requirements for electrical equipment for measurement, control, and laboratory use.

The BC3250 has been type-tested as a TDS controller by meeting the standard:

-

Vd TÜV requirements for TDS control device, Water Level 100 (07.2010).

-

UL listed (open)

Function

Inputs

The BC3250 can accept a signal from a Spirax Sarco CP10, CP30 or CP32 conductivity probe, and a Pt100 temperature sensor.

Function / outputs

If the water conductivity exceeds the Set Point, the valve relay will be energised until the conductivity drops below the Set Point.

If the water conductivity exceeds the alarm level, the alarm relay will be de-energised until the conductivity drops below the alarm level.

Other features:

-

Test function.

-

Direct display of probe factor.

-

Commissioning parameters protected with a pass code.

Page 2 of 6

TI-P403-90 AB Issue 6

BC3250 Blowdown Controller