94
VERSION 10/2018
ORDER NUMBER DOC 2339321
.
8.14 REMOTE CONTROL AND ESTA REMOTE CONTROL (OPTION)
If the control unit cannot be accessed directly from the workplace, the remote control is
used for the basic functions: start, stop, flush and circulate.
The ESTA remote control is used with electrostatically charged systems.
8.14.1 EXPLOSION PROTECTION
The remote control may
not
be used along with a system with a mains power supply (cable)
in potentially explosive areas.
The TwinControl remote control may be used along with a system with a turbine in potentially
explosive areas (zone 1, zone 2) (see Chapter
).
8.14.2 TWINCONTROL REMOTE CONTROL
Installation
Connect the remote control to the control unit: Insert the cable into the RC (remote
control) connection (see Chapter
). Several cables can be connected together up to a
maximum length of 75 m; 246 ft. The cable must be installed permanently and protected
from mechanical damage. The first fixing point must be no more than 20 cm from the cable
gland.
Operation
[Start], [Stop] and [Flush AB] buttons: Same as the corresponding buttons on the control unit.
[Circulation] button: Circulation valves A and B are opened.
AB
AB
TwinControl
B_04500
Buttons:
[Flush]
[Stop]
[Start]
[Circulation]
Illuminated displays:
Filling
Circulation
Ready
Alarm
Flush AB