HygroMatik HeaterCompact HC02, Manual

Page: 46 / 78

Page 46
When a Comfort/Comfort-Plus control is in use:
For proportional control operation when connected to an exter-
nal control signal, software parameters U6 and E3 must be set
as indicated below:
7.5.3 Proportional Control with Built-In PI-Controller
Upon request, HygroMatik will provide an active sensor with a
control signal of 0-10 V DC. Sensors with other outpt signals
may also be used; the control (only available at Comfort or Com-
fort-Plus Control) need only be set to them.
Humidifier Terminals
If other types of active sensors are used Paramter E3 has to be
adjusted:
Control signal type
Parameter
U6 E3
0(2) - 10 V DC ext. controller 0 - 10 V
0(4) - 20 mA DC ext. controller 0 - 20 mA
0 - 140 Ohm ext. controller 0 - 140 Ohm
Sensor signal type
Parameter
U6 E3
0(2) - 10 V DC PI controller 0 - 10 V
0(4) - 20 mA DC PI controller 0 - 20 mA
0 - 140 Ohm PI controller 0 - 140 Ohm
Connection: Active Sensor,
one-cylinder and double- cyl-
inder humidifier; voltage out-
put
Comfort Control
active sensor
terminal block