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11.7 Detailed description of the
user level reading values
and settings
Reading value
Explanation
r01 Status
Code
Denomi-
nation
Description
Main functions
category
00
Start
Humidifier is in startup phase after a cold start. The
Power-ON-LED flashes.
01
Stand-by
Safety interlock is open (safety interlock icon in dis-
play is not lit). No steam is produced. In case of the
safety interlock beeing opened by software, status
„05“ (Remote off) is displayed instead of „01“.
02
No demand
Demand from external controller or active humidity
sensor is below switch-on threshold of the steam
humidifier. No steam is produced (while the safety
interlock is closed). The demand icon in the display
is not lit.
03
Humidify
Steam is produced when demand is generated by a
Hygrostat or an external controller. With a PI con-
troller setting, an input signal from the active humid-
ity sensor is required. (Safety interlock must be
closed).
05
Remote off
Safety interlock was opened via Modbus (e.g. by a
building control system instruction).
06
No Modbus
When 1-2 = „Modbus“ is selected, demand mes-
sages are required on a regular base. In case of no
demand within a 20 s time frame, „No Modbus“ is
shown as the device status and steam production
is stopped (for details, see dedicated Modbus docu-
mentation available from HygroMatik GmbH).
07
Stand-by
heating
interval
When in stand-by heating mode, status code 07 is
displayed during steam production.
08
Stand-by
heating
pause
When in stand-by heating mode, status code 08 is
displayed when no steam is produced.
Filling category
30
Filling
Filling is active via solenoid valve. The filling icon in
the display is lit.
Blow-down cate-
gory
60
Initial blow-
down
After switching the device on, a blow-down
sequence is run with the parameter set for partial
blow-down.
61
Partial blow-
down
A partial blow-down is run in order to achieve cylin-
der water concentration reduction. The blow-down
icon in the display is lit.
