Emergency operation modes
Part 1 • Page 16-3
Part 1 – Operating Instructions
Rev. 4.00 December 2014
Software version 1.04
EcoRO Dia I/II (HT)
Part 1 • Ch
apter 16
16.3 Emergency operation when the control system fails
Automatically switches the system to emergency mode when the control system fails. All pumps and
solenoid valves on. Y10 is controlled via LSAL2. Conductivity and pressure monitoring are active.
16.4 Detailed view of the emergency valves (using the example of a 2-step
system)
Figure 16-1:
Emergency operation butterfly valves K1/K3 (in this case in normal position:
K1 and K3 closed)
If there is a Hot RO II function available, butterfly valve K3 is replaced by solenoid valve Y5.1. The valve
is opened during
•
emergency mode through RO I, according to regulation (
part 1, chapter 16.1.1 “Emergency mode
•
Manual soft water operation by turning the small grey lever on the valve directly (
chapter 16.1 “Production of permeate in emergency mode”).
Figure 16-2:
Emergency operation fittings K1/Y5.1
butterfly valve
K1
butterfly valve
K3
butterfly valve
K1
Valve Y5.1
Valve Y5
Manual operation of the
solenoid valve (only during
emergency operation with
soft water)