MANUALE DI ISTRUZIONI / INSTRUCTION MANUAL
RADIATORI REMOTI / DRY COOLERS
RAN-RAL - Rev 1.0. - 11-10-2002 IT - EN
29 (32)
Set-Point 2 Board
In all applications where the use of a second set-point (e.g.: Day/Night or Summer/Winter)
is absolutely required, the expansion board can be used.
This board features:
•
Trimmer P6
for the adjustment of the
Set-point 2 Proportional Band
•
Trimmer P7
for the adjustment of
Set-point 2
•
Jumper J21
for the operation of the adjustment in
REVERSE MODE
•
Jumper J22
for the operation of the adjustment in
DIRECT MODE
•
Jumper J23
position selection cannot be adjusted
(Factory calibration
)
•
Yellow DL2
Led signals
"Set-point 2 enabling"
The methods to be used for the calibration of Trimmers P6 and P7, are the same as those
described in Phase 2 for P2 and P3.
The figure shows the values and the positions of the trimmers in the various
configurations:
P6
P7
In order to enable Set-point 2, close Control Terminal Board Terminals 9/10 with a potential-free contact.
Proportional
band 2
Do Not Touch
Factory
selection
Reverse mode
Direct mode
Set – Point 2
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