Product Handbook 2026 - Volume 1

Boiler house Level controls

2

Dimensions (approximate) in mm

46

120

Item 1

1

4

Upper terminal strip Lower terminal strip

2 3 4

Housing

Support rail TH 35, EN 60715

3

74

Installation in control cabinet The BCR3150 blowdown controller is clipped onto a type TH 35, EN 60715 support rail in a control cabinet, see item 4.

2

2.3 56

Standby/burner input (24 Vdc)

Wiring diagram

1

2

3

Control valve

Max

0.5 A (semi- delay)

Conductivity Probe

4

5 6

7

Item 1

Output contacts for activating the control valve

2

MAX alarm output contact

3 Standby/burner input (24 Vdc), ON = standby/burner on, OFF = normal running/burner off 4 Connection of supply voltage 24 Vdc with fuse 0.5 A (semi-delay) provided on site 5 Actual value output 4-20 mA 6 2 wire Pt 100 temperature sensor input 7 Conductivity probe input

TI-P693-38 EMM Issue 1

Page 2 of 3

BCR3150 Blowdown Controller

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