4
4.4 Stepping switch/time switches
The ECO-IR must not be used to trigger stepping switches. The unit may
only be connected in parallel to time switches.
4. Inductive loads
Inductive loads must be interference-suppressed with suitable spark extin-
guishers (e.g. RC combination)
GB
L N
B1 B2
L
N
ECO-IR 540B2
A
ECO-IR 540B2
L N
A
L
N
ECO-IR 540B2
L N
A
B1 B2
B1 B2
All of the ECO-IR units connected in parallel must be con-
nected to the same mains phase. The overall permissible
load as a result of the parallel connection is not higher.
4.3 Connecting the ECO-IR
Connect the power section of the ECO-IR 540B2 as shown in the diagram:
HVAC
HVAC
