Boiler house

TDS blowdown controls

Technical data BC3250

Power supply

Mains voltage range

Power consumption

General

Maximum altitude

Ambient temperature

limits

110 Vac to 240 Vac at 50 / 60 Hz

7.5 W (maximum)

Indoor use only

2 000 m (6 562 ft) above sea level

0 - 55 °C

80% up to 31 °C decreasing linearly to 50% at 40 °C

III

2 (as supplied)

3 (when installed in an enclosure) - Minimum of IP54 or UL50 / NEMA

Type 3, 3S, 4, 4X, 6, 6P or 13.

NEMA type 4 hose down only (UL approval) and IP65 (verified by

TRAC Global)

Electrical Safety EN 61010-1

UL61010-1, 3rd Edition, 2012-05

CAN/CSA-C22.2 No. 61010-1, 3rd Edition, 2012-05

Immunity / Emissions

Polycarbonate

Pantone 294 (blue)

Silicone rubber, 60 shore.

Tin / lead (60 / 40%)

Rising clamp plug-in terminal blocks with screw connectors.

Caution: Use only the connectors supplied by Spirax Sarco Ltd.

Safety and Approvals may be compromised otherwise.

0.2 mm2 (24 AWG) to 2.5 mm2 (12 AWG).

5-6mm

High temperature

Screened

4

1 –1.5mm2(18-16AWG)

0 - 9.99 range - 10 metres

0 - 99.90 range - 30 metres

0-999.0 range and 0-9990 ranges - 100 metres

Prysmian (Pirelli) FP200,

Delta Crompton Firetuf OHLS

High temperature, twisted

Screened

3

1–1.5mm2(18-16AWG)

100 m (328 ft)

Maximum relative

humidity

Environmental

Overvoltage category

Pollution degree

Enclosure rating

(front panel only)

LVD (safety)

EMC

Enclosure

Front panel

Solder

Termination

Cable size

Stripping length

Type

Shield type

Number of cores

Gauge

Maximum length

Recommended type

Type

Shield type

Number of cores

Gauge

Maximum length

Material

Colour

Material

Mains and signal connector

TDS cable / wire

Pt100 probe cable / wires

TI-P403-90 AB Issue 6

Page 3 of 6

BC3250 Blowdown Controller

2.4.28