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NT00000704-JBRB-ECOWATT-AN-210301
5.5 Pressure switch connection
• Open the unit panel by unscrewing both screws with a 13mm spanner.
• Add the 2nd cable gland to the cable.
• Open the pressure switch cowl and connect the wires.
• Access to terminals and settings
• Lightly lift to remove the base plate cover
1
2
3
Ventilation fault
indicator light
Normal operation
indicator
light
Max. 250Vac power supply
Adjusting disk
State of contact at rest
1
2
3
Switches for measurement
of pressure ΔP > at threshold
ΔP0 of pressure switch setting
Interrupting
capacity
Resistive load
(cos Ø=1)
Inductive load
(cos Ø=0.6)
Mechanical
lifespan
Cable
gland
Protection
index
Pressure
connection Mass
Under 250Vac Under 30Vac Under 250Vac Under 30Vac > 10 million
cycles
1xPg11 IP54 with
cowl
Ø6.2mm
Approx.
10 g
5A
4A
0.8A
0.7A
5.6 Relay electrical connection
5.6.1 Functioning status alarm and indication
LED Indication
A LED near the PE, under the drive is present.
•
Green constant LED: power supply is wired.
•
Green flashing LED: Modbus communication is active.
•
Red constant LED: at least one critical alarm is active.
•
Red flashing LED: a non-critical alarm is active.
