User manual

CAREL humiSteam
26
Code Range
Default
Unit Description
P7 (1)
St to 100 100 %RH Hi-limit set point
P8 2.0 to 19.9 5 %RH Hi-limit differential
P9 0 to 100 100 %RH Hi-limit alarm set point
Accessible only with hi-limit control
(A0=3)
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 Lev el 3 Configuration Parameters:
• Press and hold the PRG and SEL buttons simultaneously for 5 seconds until 00 is displayed;
• Press the 

 and 

 buttons to enter the password value of 77;
• Press the SEL button and A0 should display;
• Press the 

 and 

 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 

 and 

 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=modulating
2=humidity control
3=humidity control with hi-limit control
A0 (1)
0 to 4 2 Operating mode
4=steam baths
0=°C, kg/h
A1 0, 1 0 Unit of measure
1=°F, lbs/hr
0=0 to 1V; 1=0 to 10V; 2=2 to 10V; 3=0 to 20mA;
A2 0 to 4 0
Type of room sensor; not
accessible in ON/OFF
mode (A0=0)
4=4 to 20mA
A3 (2)
0 to A4 0
%RH, ºC
Room sensor minimum
A4 (2)
A3 to 255 100
%RH, ºC
Room sensor maximum
A5 -10.0 to 10.0 0
%RH, ºC
Room sensor offset
Accessible only in control mode (A0=2, 3 or 4)
Used for scaling sensors