28
ATR 421 - User manual
coo.f.
Cooling fl uid type
p.b.m.
co.c.t.
Air
Air
1.00
10
oiL
Oil
1.25
4
H2o
Water
2.50
2
Once parameter
coo.f.
has been selected, parameters
p.b.m.
/
ou.d.b.
and
co.c.t.
can be however modifi ed.
8.8
Loading default values / Reset
This procedure allows to restore all default settings.
Press
Display
Do
1
PRG
M
Red display shows cycle
selection.
2
Increase until
conf
is visua-
lized.
3
OK
Green display shows
0000
with 1st digit fl ashing, whil
red display shows
pass
.
4
+
Flashing digit on green
display changes.
Enter password
9999
.
5
OK
Device loads default settings.
Entering password
9999
all default parameters will be loaded. If it is necessa-
ry to cancel and reset also the cycles, enter password
9989
.
8.9
Memory Card (optional)
Parameters and setpoint values can be easily copied from one controller to
others using the Memory Card. Two modes are available:
• With the controller connected to the power supply
:
Insert Memory card
when the controller is off
.
At switch-on green display shows
memo
and red display shows
----
(
only
if correct values are stored on Memory
).
Summary of Contents for ATR 421
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