gefran 55 - Page 2

MAIN FUNCTIONS
Mod. 55/2
Timer with one time relay (Relay 1) and one
instantaneous relay (Relay 2).
Timing starts through connection to the
power supply voltage.
Relay 1 energises at the end of timing
t.
Relay 2 energises instantaneously when line
switch closes.
Mod. 55/3
Timer with two time relays in parallel.
Timing starts through connection to the
power supply voltage.
Relay 1 and relay 2 energise at the end of
timing
t.
Mod. 55/4
Timer with one time relay (Relay 1) and
Relay 2 in opposition.
Relay 1 is de-energised during timing and
energised at the end of time t.
Relay 1 is energised during timing and
de-energised at the end of time
t.
JUMPERS DESCRIPTION
Power supply board / Copper side
Logic board / Copper side
FACEPLATE DESCRIPTION
A - Full scale preset
B - Time Set
C - Red LED for timing indication
IP20 faceplate protection, IP65 available with sylicon
rubber cover cod. 51183 (see accessories)
BA
C
Jumpers configuration:
Mod. 55/2
T-W, X-Y, A-X CLOSED
The other ones are OPEN
Mod. 55/3
T-W, T-S, X-2, A-X CLOSED
The other ones are OPEN
Mod. 55/4
T-W, X-Y CLOSED
The other ones are OPEN
Line
Relay 2
Relay 1
Line
Relay 2
Relay 1
Line
Relay 2
Relay 1
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