18 ATR 421 - User manual  
Press Display Do
7
O
K
Red display shows 
01 - 5
. Green 
display shows the step setpoint 
(temperature that has to be 
reached within given time).
With keys   or   enter 
setpoint (temperature reached 
at step end).
6.1.3 
Programming of the auxiliary output (if con gured)
Press Display Do
8
O
K
Red display shows 01 -A . Green 
display shows A1 . o F  o A1 . o n .
If AL.1 is not programmed as 
auxiliary time (A. o. r.5) skip to 
point 10.
9
Set auxiliary output status du-
ring the step: A1 . o n  for active 
output and A1 . o F  for not active 
output.
10
O
K
If AL.2, AL.3 or AL.4 are programmed as time auxiliary   go back 
to point 9. Green display will visualize the number and the status 
of the selected auxiliary (A2. oF/ A2. o n, A3. oF/ A3. o n or A4. oF/ 
A4. o n). Once selected all auxiliary go back to point 5.
6.1.4 Fine programmazione
Press Display Do
11
O
K
Controller returns in STOP 
mode saving the cycle. Red 
display shows StoP.
If 
AL.1, AL.2, AL.3 or AL.4 are 
selected as auxiliary (A. o. r.5) 
repeat the procedure of points 
9 and 10 for the output status 
at cycle end.
7  Cycle start
7.1  Start of a cycle and setting of delayed start
Red display shows StoP.
Press Display Do
1
STA
R
T
STO
P
Red display shows cycle 
selection.