KELCO T20, Инструкции по установке и программированию

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A special 12VDC version of the T20 timer is available for battery operation and
for use in solar pumping systems. Functionally the 12VDC model is exactly the
same as the mains voltage model except for the terminal block markings. On the
12VDC model the active and neutral terminals are replaced by a po and
a negative – terminal. Supply voltage across the positive and negative terminals
must never exceed 14VDC or the timer will be damaged. The supply terminals
are reverse polarity protected. However, the timer will simply not operate unless
the supply polarity is correct.
When connecting a remote flow switch to the 12VDC T20 timer the supply to the
flow switch must be taken from the positive terminal on the T20 timer. The flow
switch and its connecting circuit will operate at 12VDC.
12VDC T20 TIMER
14
WIRING DIAGRAM
12VDC CONTROLLER ONLY
THIS LINK MUST BE USED
WHENEVER THE CONTROLLER IS
DIRECTLY CONTROLLING A SINGLE
PHASE PUMP MOTOR, AS SHOWN
HERE.
SUPPLY 11 ~ 14 VDC
REMOTE FLOW SWITCH. CON-
TACTS ARE NORMALLY OPEN.
SINGLE PHASE 220 ~ 240VAC
MOTOR MAXIMUM MOTOR LOAD
3.75kW
ACTIVE
NEUTRAL
MAINS VOLTAGE SUPPLY
220VAC to 240VAC
CONTROLLING A 220 ~ 240 VAC SINGLE PHASE PUMP MOTOR WITH THE T20 TIMER POWERED
FROM A 12V DC SUPPLY
IMPORTANT
THE SUPPLY TO THE REMOTE FLOW
SWITCH MUST BE SOURCED FROM
THE SUPPLY POSITIVE AS SHOWN
HERE.