WATCHDOG v3 CB NXT Control Board User Guide
- June 17, 2024
- WatchDog
Table of Contents
WATCHDOG v3 CB NXT Control Board
Product Specifications:
- Model: WatchDog NXT Control Board v3
- Compatible with: WatchDog NXT models
- Components: Various sensors, cables, power terminals
Product Usage Instructions
Step 1: Remove Control Board Cover
Remove the two screws from the control board cover and lift off the cover.
Step 2: Unplug Wires
Use needle nose pliers to unplug the wires from the control board.
Step 3: Remove Control Board
Use a screwdriver or drill to remove the 4 screws holding the control board in
place (one in each corner).
Step 4: Install Replacement Control Board
Lift the control board out and set it aside. Insert the replacement control
board. Reverse the process to install the board – insert the screws, rewire
according to the wiring diagram on page 4, and replace the control board
cover.
FAQ:
Q: What should I do if I encounter difficulties when unplugging the
wires?
A: If you have trouble unplugging the wires, gently wiggle them while
pulling with the needle nose pliers to avoid damaging the connectors.
Q: Can I use a power drill to remove the screws?
A: Yes, you can use a power drill to remove the screws, but be cautious
not to overtighten or strip them when reinstalling.
Tools:
-
Phillips Head Screwdriver
-OR- -
2 Phillips Drill (Optional)
-
Needlenose Pliers (Optional)
-
Replacement Control Board
INSTRUCTION
- Using a drill or screwdriver, remove the screws on the side panel so you have access to the control board (the side opposite the drain).
- Remove the two screws from the control board cover and lift off the cover.
- At this point you will need to unplug the wires from the control board (needle nose pliers can be helpful)
- Next, use a screwdriver or drill to remove the 4 screws holding the control board in place (one in each corner).
- Finally, lift the control board out and set aside. Insert the replacement control board. Reverse the process to install the board- insert the screws, rewire (see wiring diagram on page 4), and replace control board cover.
WatchDog NXT Control Board v3
- Pump Sensor (water level)
- Pump Sensor (error code)
- Coil Sensor
- RH Sensor
- Display Cable
- Cat 5 Cable (remote)
- Thermostat Terminal
- 115V Power
- Compressor Capacitor (red)
- Fan (red or brown, neutral)
- Fan Capacitor (blue, neutral)
- Compressor (black, neutral)
- 115V Power (white, neutral)
- Terminal Auxillary Power (black/white wire )
- Valve, unused on NXT models
- Terminal Pump Connector (blue/brown wire)
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>