Hi Tom - I located a source for you to download a copy of the manual for this timer, here. This timer has several variations - which can not be determined with 100% certainty by me from the info you provided in your question, but I believe your application is the large, bottom schematic called "Filter and Cleaner Timer Inter-connections".
If a 240 volt circuit, both the power source and motor load should
consist of 2 hot wires and a single bare, green or green & yellow
striped ground wire. The 240 power source wires connect to terminals 1 & 3 and the 240 volt sweeper motor would connect to terminals 2 & 4. It does not matter which of the supply wires connects to terminal 1 or 3 - nor does it matter which motor's wires connects to 2 or 4. It is not possibly to change the direction that the motor turns by swapping wires in the timer. The green (ground) wires must all be connected together.
I hope this was helpful & good luck!
The instructions are available from Intermatic if you click on the below link.
240 volts will have two 120 volt lines and a ground(green or bare) or neutral (white) wire.
If your system is 240 volts the Red and Black wires are hot should be individually connected, one to terminal 1 and the second color to terminal 3. The load or pump in your case should be connected to terminal 2 and 4. If you want to wire a switch to the load you need to decide on how you want the switch act, 1) as an auxiliary on 2) as an emergency off. If you want an auxiliary on for the pump, you need a DPDT (Double Pole Double Throw) 40amp switch (what should be in the house). Run the appreciate gage of wire (AWG 8 for 40A) from terminal 1 to one pole of the switch and a wire from terminal 3 to the second pole of your switch. Next run wires from the switch contacts from the two remaining switch terminals to terminals 2 and 4 on the timer matching the Red side on the switch to and Red on the timer and Black side on the switch to Black on the timer. The timer will control the function of the pump, and the switch will turn the pump on when the timer is off. If you only have two hot wires coming from the house attach them to terminal 2 and 4. If you want an emergency stop you need to wire a second DPDT 40amp switch and disconnect the load wires from terminal 2 and 4 and connect each one to the opposite poles of the switch. Using the correct gage of wire you need to connect a red and black wire to the two separate terminals of the switch. When the switch is off the pump will not work but the timer will keep the current time. The color of wires may not be the same in that situation you will need a multi meter to identify the wires.
I need a little more information on the pool sweep timer. Are you using the same timer or just the power? Is the power 120 or 240 volts? When do you want the pool sweep to be active?
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