I N S T A L L A T I O N
29
Figure 30 – Control connection
Admissible control signal
Control
Admissible signals
External analog signal for
demand
0-10Vdc, 2-10Vdc, 4-20mA
On-Off external signal
Dry contact
Proportional RH% or
temperature sensor
0-10Vdc, 2-10Vdc, 4-20mA
Installation steps :
1.
Ensure that the safety contact for Air proving switch and Hi limit humidistat are
connected to the terminals 4 and 5.
2.
Connect the applicable controls according to the above wiring diagram
3.
Selection of control signal is done through set-up screens once the IER will be powered.
Summary of Contents for IER-04 Series
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