51000 Series
1. Scan this QR code to watch a video tutorial.
2. You will need a Phillips head screwdriver
driver and a replacement EEC (Electrical
Enclosure Cover).
4. There will be (4) bolts on the front and (1)
in the rear.
3. Unplug the center module and remove
from Big Dipper tank.
6. Lift the skimming wheel cover and start
prying open the EEC cover. Pull upwards
until EEC is completely removed from
center module.
5. Use a Phillips head screwdriver and turn
counterclockwise to remove (5) bolts. Set
bolts aside.
Thermaco, Inc. • 646 Greensboro St. • Asheboro, N. C. 27204-2548 • Phone (336) 629-4651
51000 Series
1. Scan this QR code to watch a video tutorial.
2. You will need a Phillips head screwdriver
driver and a replacement EEC (Electrical
Enclosure Cover).
4. There will be (4) bolts on the front and (1)
in the rear.
3. Unplug the center module and remove
from Big Dipper tank.
6. Lift the skimming wheel cover and start
prying open the EEC cover. Pull upwards
until EEC is completely removed from
center module.
5. Use a Phillips head screwdriver and turn
counterclockwise to remove (5) bolts. Set
bolts aside.
Thermaco, Inc. • 646 Greensboro St. • Asheboro, N. C. 27204-2548 • Phone (336) 629-4651
Replacing the Printed Circuit Board PCB-3.
2
5. Your wiring may differ. Please take a
reference photo to replace wiring to original
configuration.
6. Unplug the ribbon cable.
7. Unplug the motor wire by pressing the tab
inward and pulling out.
8. Using needle nose pliers, unplug the 3
wires – for the heater, safety switch and
jumper – from the board.
9. Using a mini flat head screwdriver, turn
counter-clockwise to loosen and remove the
thermistor wires.
10. Remove the printed circuit board.