96
VERSION 10/2018
ORDER NUMBER DOC 2339321
.
8.15 2A SWITCHBOX FOR SECOND A-PUMP (OPTION)
TwinControl
A1
A2
B_04508
If two different colors are to be used in turn, a second A-pump can be installed. A 2A
switchbox is used to switch between pumps A1 and A2. The switchbox switches the
following pump signals over and forwards them to the control unit:
– Product valve A (pneumatic)
– Changeover signal – pump A (pneumatic)
– Stroke measurement A / sensor A (electric)
Prerequisites
– Pumps A1 and A2 must be the same (model and size).
– Hose from product valve A1 or A2 to mixing block: same diameter and length.
– Same hardener and same mixing ratio for components A1 and A2.
– Soft circulation is not possible.
– External mixer on request.
Grounding
The switchbox must be grounded. The stroke measurement cables may be extended by
5 meters.
Explosion protection
Explosion protection is retained for systems with turbines, even with the 2A switchbox.
Switching over pump
1. [Stop].
2. [Flush] --> Hold gun in a grounded tank, carefully open and hold until clean flushing
agent comes out.
3. Turn switchbox switch up to stop.
4. Filling and spraying according to Chapter
.
Always turn switch up to stop. The center position will result in a fault message
(code 20: sensor A at bottom).
