background image

IGD

DOLOMIT.
Float switch for liquid level control
in tanks.

0420202       2 m
0420203       3 m
0420205       5 m
0420210      10 m

Part No.

Cable L.

Float switch Series IGD finds application in liquid level
control in tanks and wells; it requires connection to
pumps (or other electrical equipment). The float switch
can be used with drinking water and sewage as well as
other liquids compatible with the components of the
product. Float switch Series IGD is spray and dust proof
thanks to a double sealing obtained by injection moulding
using the same material of construction for the body (non
toxic polypropylene).
Product reliability is ensured thanks to the sound expe-
rience of WATTS Cazzaniga in the sector as well as to the
stringent testing programme to which both the process
and product are submitted.

APPLICATION

It is important to make sure that they are no objects impe-
ding the float movement. If necessary, adjust the float arm
by suitably positioning it with relative counterweight.
It is good practice to position the float on the side
opposite to liquid inlet.

Electrical connection:

The three-pole cable (cable colour: Blue - Brown - Black)
allows float switch Series IGD to be used for emptying or
filling depending on the electrical connections as
described below:

- Emptying / Black - Brown connection / contact closes 

with float at top

- Filling / Black - Brown connection / contact closes with 

float at bottom.

INSTALLATION AND ELECTRICAL
CONNECTIONS

Float switch Series IGD can be used either for filling or
emptying tanks and wells.
The important factor is the length of  the rotating arm
which determines the minimum and maximum liquid
levels. For such purpose, the arm length can be shortened
using the appropriate counterweight (CP/NSD).
Figures 1 and 2 illustrate the operation.

OPERATION

CE mark in  conformity with European Directives EEC
89/336, EEC 73/23.

APPROVALS

Fig. 1

Fig. 2

Overall dimensions (mm)

EMPTYING

FILLING

ON

P

OFF

ON

OFF

ON

OFF

DESIGN FEATURES

Body

Non toxic polypropylene

Cable

PVC - A05.VV-F / Neoprene - H07.RN-F (*)

Conductor size

1 mm

2

(*) cable 3 x 1 available with other lengths

TECHNICAL CHARACTERISTICS

Contact load rating

16 (4) A at 250 V~

Max. operating temperature

80°C

Storage temperature range

-20°C ÷ +80°C

Type of electrical duty

Light

Degree of protection

IP 67 

(immersion proof ) 

Switching angle

-45° ÷ +48°

Electrical insulation class

II

Dimensions

91 x 129 x 40 mm

Weight

143 g

Volume

254 cm

3

Содержание DOLOMIT IGD Series

Страница 1: ...LIQUIDS Flow switches interrupt an electrical control circuit when the water circulation fails in the circuit for some abnormal condition e g stop ping of motor driven pumps They are operated thanks t...

Страница 2: ...e cable cable colour Blue Brown Black allows float switch Series IGD to be used for emptying or filling depending on the electrical connections as described below Emptying Black Brown connection conta...

Страница 3: ...act size although still retaining electrical and float characteristics such as to ensure perfect operation Product reliability is ensured thanks to the sound expe rience of WATTS Cazzaniga in the sect...

Страница 4: ...keep a certain distance from sources of turbulence elbows valves etc recommended min distance is equal to 5 times the pipe diameter to keep a minimum distance of 55 mm between the pipework and the lo...

Страница 5: ...istance is equal to 5 times the pipe diameter to keep a minimum distance of 55 mm between the pipework and the lower base of the appliance INSTALLATION The 1 2 contact is normally open closes when the...

Страница 6: ...switch ADJUSTMENT OF SET PRESSURE Contact b c is normally closed it opens when the set pressure is reached Connection to earth is via terminal a View of the terminal board from above after removing t...

Страница 7: ...SET PRESSURE Contact b c is normally closed it opens when the set pressure is reached Connection to earth is via terminal a View of the terminal board from above after removing the cover ELECTRICAL CO...

Страница 8: ...es com e mail info wattscazzaniga it The descriptions and photographs contained in this product specification sheet are supplied by way of information only and are not binding WATTS CAZZANIGA reserves...

Отзывы: