Materials; Pin Assignments; Pin Assignment: Empty Signal (3-Pin); Metering Rates - ECOLAB Elados EDPL V60 Betriebsanleitung

14.4

Materials

Metering head:
Diaphragm:
Seals:
Valve balls:
Valve springs:
Housing:
Colour:
Special designs on request
14.5

Pin assignments

14.5.1

Pin assignment: Empty signal (3-pin)

Connection of level pre-warning or empty signal
ATTENTION
NOTE
14.6

Metering rates

The reproducible metering accuracy is approximately ± 3 % under invariable conditions.
Due to the characteristics of the pump, higher outputs can occur until operating temperature
is reached.
Accurate metering can be achieved by complying with the following points:
a) All metering capacity data refer to water at 20 °C, as well as to constant supply voltage
and with the metering pump operating at normal running temperature.
b) If there is pre-pressure on the suction side, the pressure difference between the suction
and pressure side must be at least 0.1 MPa (1 bar). The water column on the metering
pump must be protected by an appropriate valve arrangement.
NOTE
A pressure maintaining valve or a metering valve is not a shut-off device with a total seal.
14.7

Metering rates depending on back-pressure and stroke setting

Setting accuracy + 15 % - 5 % of the rated value, all data are relative to water at 20 °C and in
accordance with the instructions in the user's manual.
417102214_EDPL_V60.docx
PP, optionally PVDF, stainless steel 1.4571
PTFE/EPDM compound diaphragm
FPM (Viton B), optionally EPDM, Kalrez
Ceramic, glass, optionally stainless steel 1.4401, PTFE
Hastelloy C4
PPO / AL
Blue RAL 5007
Fig. 14.2
Wire colour
PIN
(Connection
1
3
4
see also chapter:
level pre-warning and empty signal"
If the empty signal is not used, contact 3/4 must always be bridged!
The protective cap provided for this creates the bridge between the contacts and has to
be attached in this case.
The empty and reserve signal inputs can be inverted in the "Configuration / Level
contact" menu. (see chapter
Description
cable)
Brown Level pre-warning
Blue Level empty signal
Black GND
„Pin configuration for slot I (3-pin) - Input for
7.2.5.1
10.4.9 „Configuration / Level contact")
118 Rev. 1.12.11