20
RL-61, 61L EN.033 24.01Seibu Giken DST
EN
8.7 HUMIDITY CONTROLLER
Control the dehumidication process using the advanced electronic humidity controller EH3 T2 or the simpler electronic humidistat EH4. The devices can be built in the
electrical box next to the control panel or loose device for on-site installation.
See “8.6 Energy saving” for more information on what features they can be installed on.
FIGURE 17: EH3 T2
Electronic humidity controller with multiple settings and
advanced control for dehumidication,
48
Hand
EH4
Electronic humidistat
FIGURE 18: EH4
2-step humidistat for less demanding dehumidification
control.
Note: Data sheet and user’s manual is available separately.
8.8 AUTO/ECO VENT
AUTO-ECO VENT is a semi-ventilation mode that provides an airow in intervals by turning the process fan ON and OFF.
The default time setting for the process fan is: ON (5 min) and OFF (55 min). Adjusting the time setting is only possible with a PLC installed, without a PLC the default time
setting applies.
Note: Included in Energy saving 2.
8.9 PLC - C4
The C4 is a touchscreen enabled PLC with multiple I/O and is installed with custom software that allows advanced dehumiciation for a specic need.
Add-on modules allows, e.g. remote control using modbus, ethernet using TCP/IP modbus or modem control.
FIGURE 19: C4 PLC with 5.7" color touchscreen
Consult a DST representative for more information.