Just need the instruction manual - Home Automation

This guide should help out: http://waterheatertimer.org/pdf/Woods-59018-59028.pdf

In the Aquapod remote control, press the "Menu" button until the settings menu appears.
Use the right arrow to find the "Teach Wireless" option and hold the plus button until it says successful.
On the pool control local display/keypad, press the "Menu" button until the "Settings Menu" is displayed.
Use the "<" or ">" buttons until "Teach Wireless" is displayed.
Press the "+" button to start the teaching process .
Turn the top valve 180 degrees to switch from pool return to spa jets.
Turn the bottom valve 180 degrees to switch from pool suction to spa suction.
Turn the gas on at the heater.
Press the spa button on the heater and adjust the temperature if needed.
Turn on the timer and make sure it is not past the off trip.
When done, turn the heater off manually and switch the valves back to pool mode.

Check with your nearest dealer or the shop where you have purchased the product.