G2ASMA20 TELE, G2ASMA20 Datasheet - Page 2

• Manufacturer Part Number: G2ASMA20
• Description: PUMP CONTROL, ALTERNATING/PARALLEL
• Manufacturer: TELE

Specifications of G2ASMA20

• Coil Voltage Vac Nom: 250V
• Svhc: No SVHC (18-Jun-2010)
• Contact Current Ac Max: 5A
• Contact Voltage Ac Max: 250V
• External Depth: 22.5mm
• External Length / Height: 103mm
• External Width: 22.5mm
• Mounting: RoHS Compliant

Mode A (parallel operation triggered by input Y2)
In this mode both outputs are activated in parallel, if the
input for parallel operation (Y2-Y3) is engaged in addition
to the contact for operation request (Y1-Y3).
If both inputs are activated or deactivated simultaneously,
the output relays will be activated or deactivated with a
fixed timing offset of 2 seconds to avoid water hammer
effects and excessive electrical load peaks.
Without activating the input for parallel operation the two
outputs are activated one by one only, but never in
parallel.
The Pump-Alternator is sensitive to one (mode B) or two (mode A) digital input signals. Each of the two output relays activates one of the two devices (usually
pumps or motors) driven. The two outputs (Rel.1 and Rel. 2), are equally configured and interchangeable. In case of request for operation (Y1-Y3 linked by
external contact) one of the output relays energises as long as the signal persists on input (Y1). Next time there is a request for operation the alternate output
operates in the same manner. This way both connected devices (pumps or motors) will share load.
The information about, which output has done the first cycle after a power reset, is stored in a non-volatile memory. Next time after a power reset the other
output will do the first cycle.
There is no definite delivery status about which of the two outputs will operate at the first occasion.
Mode and time setting can be done with a screwdriver at the front of the G2ASMA20.
Mode B (parallel operation by timing)
In this mode the timing dial is set to any position unlike
the "Function A" setting.
An uninterrupted operation request that is longer request
than the adjusted delay t1 will activate the second output
relay for parallel operation. At the end of a period of
parallel operation the output added after the delay t1 will
drop immediately. The other relay, active from begin of
the request, will drop with offset of the fixed delay t2.
The highest priority is on the input for parallel operation (link Y2-Y3). If activated it will cause operation of both outputs anyway, with the fixed offset delay t2
only. The error indication on the unit will be illuminated if this input is active, unless there is a signal for the operation request input (Y1-Y2). (A defect sensor
is assumed in this case) The input parallel operation (Y2-Y3) activated when the unit is set up for mode B will cause an error indication in any case.
The error indication will stay visible even if the proper correlation of operation request (Y1-Y2) and request for parallel operation (Y2-Y3) is re-established.
(The unit falls back to normal operation in this case.) The error message is cleared by interrupting supply voltage.
Function control by supplied power
With a link wired at the input for operation request (Y1-
Y3) alternate operation is activated by supplying the
auxiliary voltage to the unit.
Using the Mode B setting on the dial (any time setting)
the second relay will activate after the set delay for
parallel operation (t1). When supply is disconnected, both
reays drop immediately. There is no parallel operation in
mode A as it is not recommended to use the contact Y2 in
case of control by supplied power.
G2ASMA20
Functions
Mode
A
Mode
B
Mode
A
Mode
B
LED U/t
LED U/t
LED U/t
LED U/t
LED F
LED F
LED F
LED F
Rel. A
Rel. B
Rel. A
Rel. B
Rel. A
Rel. B
Rel. A
Rel. B
Y1
Y2
Y1
Y2
Y1
Y2
Y1
Y2
U
U
U
U
<t1
<t1
<t1
<t1
<t1
t1
t1
t2
t2
t2
t1
t1
t2
t2
t2
<t1