Seaira Global WatchDog 550 Manual

How to change the control board

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WatchDog 550 Guide:

How to Change the Control Board

Tools:

• Phillips Head Screwdriver

-or-

• #2 Phillips Drill

• Needle Nose Pliers

• Replacement WatchDog Control Board

1. First, you will need to remove the cabinet** so you can access the control board. The control

board will be located on the duct side of the machine.

Control

Board

2. At this point, you will need to unplug the following wires on the control board:

(starting in the upper left corner and moving clockwise around the board)

• Power (White)

• Compressor (Black)

• Fan (Blue &Brown)

• Hot Gas Bypass Valve (Black)

• Coil Sensor (White)

• RH Sensor (Red)

• Display (White)

• Data Port (Black &Red)

• Dry Contacts/Terminal Strip (White & Blue)

• Power Cord (Black)

• Compressor (Red & Blue)

Seaira Global • 14021 NC Highway 50 • Surf City, NC 28445

www.seairaglobal.com

Table of Contents

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Page 1 • RH Sensor (Red) • Display (White) • Data Port (Black &Red) • Dry Contacts/Terminal Strip (White & Blue) • Power Cord (Black) • Compressor (Red & Blue) Seaira Global • 14021 NC Highway 50 • Surf City, NC 28445 www.seairaglobal.com...
Page 2 Use the pliers to push in the 4 “arrowhead” tabs (one in each corner). Simply squeeze each tab with the pliers so the control board can be lifted over the tab. Seaira Global • 14021 NC Highway 50 • Surf City, NC 28445 www.seairaglobal.com...
Page 3 • Fan (Blue & Brown) • Compressor (Black) • Power (White) 6. Once all the wires are plugged in, all thats left is to place the cabinet back on the dehumidiﬁer. Seaira Global • 14021 NC Highway 50 • Surf City, NC 28445 www.seairaglobal.com...