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(
06/06
)
STEA
SERIES
Installation, Operation & Maintenance Manual
23
Code Range Default Unit
Description
P7 (1) St to 100
100
%RH Hi-limit set point
Accessible only with hi-limit control
(A0=3)
P8 2.0 to 19.9
5
%RH Hi-limit differential
P9 0 to 100
100
%RH Hi-limit alarm set point
Code Range Default Unit
Description
d1 (2) 0.0 to 199
%RH, °C,
%
Signal from external controller
or sensor
Not accessible in on/off mode (A0=0)
d2 0.0 to 199
read
only
%RH
Signal from hi-limit or
temperature sensor
Accessible only with hi-limit control
(A0=3)
d3 0.0 to 199
kg/h
Steam output (actual)
d4
0.0 to
19999
h
Run time hours
d5 0 to 1555
µS/cm Conductivity of the feed water
d6 0.0 to 199
A
Current (Amperage)
d9 0.0 to 199
kg/h
Rated steam output
(1): when accessing parameter A0, parameters P2, P3, P7 and St are automatically reset to the corresponding
default value.
(2): in proportional operation (A0=1), d1 displays the % of the control signal
To display the Level 3 Configuration Parameters:
•
Press and hold the PRG and SEL buttons simultaneously for 5 seconds until 00 is displayed;
•
Press the
Ç
Ç
Ç
Ç
Ç
and
È
È
È
È
È
buttons to enter the password value of 77;
•
Press the SEL button and A0 should display;
•
Press the
Ç
Ç
Ç
Ç
Ç
and
È
È
È
È
È
buttons to scroll through the configuration parameters;
•
Press the SEL button to display the value of any parameter (the unit of measure will display first for 1
second);
•
Press the
Ç
Ç
Ç
Ç
Ç
and
È
È
È
È
È
buttons to change the value;
•
Press SEL when the change is complete and then continue scrolling through the parameters;
•
To leave the programming mode, press PRG at any time. NOTE: after more than 5 seconds without a
button press, the display will begin to blink. 60 seconds after a button press, the controller will erase all
changes and return to operating mode with the previous parameters.
Parameters for configuring standard operation:
Code Range Default Unit
Description
0=ON/OFF control
1=m odulating
2=hum idity control
3=hum idity control with hi-lim it control
A0 (1)
0 to 4
2
Operating m ode
4=steam baths
0=°C, kg/h
A1
0, 1
0
Unit of m easure
1=°F, lbs/hr
0=0 to 1V; 1=0 to 10V; 2=2 to 10V; 3=0 to 20m A;
A2
0 to 4
0
Type of room sensor; not
accessible in ON/OFF
m ode (A0=0)
4=4 to 20m A
A3 (2)
0 to A4
0
%RH, ºC Room sensor m inim um
A4 (2) A3 to 255
100 %RH, ºC Room sensor m axim um
A5 -10.0 to 10.0
0
%RH, ºC Room sensor offset
Accessible only in control m ode (A0=2, 3 or 4)
Used for scaling sensors