B1.pdf

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B1 Series Pressure Switch

Introduction

The B1 Series Pressure Switch

incorporates a new compact design and is

well-suited to today’s low and mid-range

washing machines and dishwashers

requiring single level control.

The B1 Series Pressure Switch is also

suitable for the use with either hybrid or full

electronic controls. The switch allows

quick installation and combines with high

performance for accurate fills to ensure

low water level and energy consumption,

with overflow and dry heater safety.

Design Features & Specifications

Functions

One level and one overflow protection

(optional)

Heater-safety contact is always present

Levels

Make pressure: 50 to 400 mm W.C.

Break pressure: 20 to 350 mm W.C.

Differential: minimum 15 mm W.C.; maximum

110 mm W.C.

Overflow pressure: 150 to 600mm W.C.

Electrical ratings

ENEC and CQC Approved:

16(4) A @125/250V – Main contacts NO

4(4) A @125/250V – Main contacts NC

1(1) A @125/250V – Overflow protection

UL Approved:

16 A , 1/2HP @125/250V – Main contacts NO

4 A , 1/3HP @125/250V – Main contacts NC

1 A @125/250V – Overflow protection

Tolerance

Make/ Break Set-point: ± 5 mm W.C. standard

Lower tolerance available on request Overflow

protection: ± 15 mm W.C. standard

Contacts

Main contact: SPDT snap action contact

Overflow protection contact: Slow action

contact, which is normally open

Terminals

6.35 x 0.80 according to IEC 760

Group connector Rast 5/Rast 2.5

Single connector using Rast 5 Code

(Without additional isolation)

Mounting

Standard screw mounting

Snap-fixation mounting

Others on demand

Pressure connection position

Two positions for choice

Other positions for tailor-made

Operating Temperature

Maximum 85 ° C

Relative Humidity

Maximum 95% at 40 ° C

Basic Switch Dimensions

TONELUCK Appliance Switches

Page 1

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B1 Series Pressure Switch

Socket Types

Type #1

Type #2

Type #3

Hose Connection Position

Two hose connection positions for customer choice, if you need other position in your applications, please

contact our representative.

Position #1

Position #2

Mounting types

1) Standard screw mounting

2) Snap-fixation mounting

Snap in a pocket through the ear shown as green color.

Fit to M3.5 bolt

Mounting Orientation and Set point Variation

1) Vertical

2) Horizontal Upwards

3) Horizontal Downwards

The calibration orientation is to be “diaphragm in vertical plane”, unless otherwise specified; the other

orientations’ set point value will be converted by the table below:

Page 2

TONELUCK Appliance Switches

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B1 Series Pressure Switch

Mounting orientation

Set point

Tolerance

Remark

Vertical

X mm w.c.

±5mmwc

Calibration orientation

Horizontal upwards

X+3 mm w.c.

±6mmwc

Horizontal dwonwards

X-3 mm w.c.

±6mmwc

Notes: For higher accuracy, please let us know the mounting orientation in your applications; we will calibrate

the set point according to your mounting orientation. Consult our sales representatives for more information.

Circuitry

Circuitry Type #3:

(Without Overflow protection)

Circuitry Type #1:

Circuitry Type #2:

Notes to markings:

11—COM terminal; 12—Main contact NC terminal;14—Main contact NO terminal;16—Overflow protection terminal

Ordering Instructions

B11

2

-

1

1

1

-

A001

_

Hose Connect

Orientation

Mounting

Orientation

Type Ref.

Socket Type

-

Circuitry

Customer Made

1=Type #1 Rast 5

Connector

B11

- 1=Position #1

1=Vertical

1=Type #1

A999

2=Type #2 Rast 5

Connector

2=Horizontal

upwards

2=Position #2

2=Type #2

Factors to be consider -

3=Horizontal

downwards

3=Type #3

Rast 5/ Rast 2.5

Connector

3=Type #3

(Without

Overflow)

*ON/OFF Set-point

*Overflow Set-point

*Other features

Page 3

TONELUCK Appliance Switches

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