Etatron DLX User Manual

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3.0 - INS TAL L A TION
a. - Install the pump in a dr y place and well away from sources of heat and, in any case, at environmental tem-
peratures not exceeding 40°C. The minimum operating temperature depends on the liquid to be pumped,
bearing
in mind that it must always remain in a liquid state.
b. - Carefully obse r ve the regulations in force in the various countries as regards electrical installations (Fig.4).
When the supply cable is devoid of a plug, the equipment should be connected to the supply mains by means
of a single-pole circuit breaker having a minimum distance of 3 mm between the contacts. Before accessing
any
of the electrical par ts, make sure that all the supply circuits are open.
BLUE
BROWN
YELL OW/GREEN
Make attention to the protective
conductor terminal yellow/green
It must be always connected to the
protective conductor of the supply
circuit.
Fig. 4
c. - Locate the pump as shown in fig. 5 bearing in mind that it may be installed either below or above the level
of the liquid to be dosed, though the level difference should not exceed 2 meters. When the process plant in
which
the pump is installed is operating at atmospheric pressure (no back pressure) and the chemical tank
is situated above the plant (Fig. 6), the condition of the injection valve should be checked at regular inter-
vals, because excessive wear and tear could cause additive to drip into the plant even when the pump is shut
down. If the problem persist, install a properly calibrate counter-pressure valve (C) between injection point
and
the valve. In the case of liquids that generate aggressive vapours, do not install the pump above the stor-
age tank unless the latter is hermetically sealed.
C
Fig. 5
Fig. 6
d. - The discharge nipple will always remain in the upper par t of the pump. The suction nipple, which ser ves to
attach the hose (with filter) leading into the chemical tank, will therefore always be situated in the lower par t
of the pump.
Fig. 7
e. - Remove the protection caps from the two nipples, slide the hoses over the connectors, pushing them
right home, and then fix them with appropriate tube nuts. (Fig. 7).
DosingPump.ir

Etatron DLX Specifications

General

Protection Degree	IP65
Display	LCD
Power Supply	24 VDC
Material	Stainless steel
Light Source	LED
Detector	Photodiode