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6. Pump Trouble Warning

Indicator Lights

1.Humidity Display Screen

1. When the unit is powered on, it shows the indoor humidity.

2. While setting the desired humidity level, the screen will show the  set humidity. After a brief delay,
the display will revert to indoor humidity level.

2. Power Indicator Light 

This light indicates that the unit is properly powered on and ready to perate. Always make sure the unit is “off” 
prior to performing any service. 

3. Continuous Mode/AutoDefrost Light

4. Compressor Light 

When the compressor light glows red, it indicates the compressor has been initiated but is currently warming up.

Once the compressor light switches to green, it indicates the compressor is in working status.

5. Unit Indicator Light

When the unit indicator light is red, it illustrates the dehumidifier is in unit mode.

While in unit mode, the dehumidifier will use it’s built-in humidity sensor. If using a remote control, unit mode will 
allow you to remotely monitor the room conditions where the dehumidifier is located.

6. Remote Indicator Light

When the pump reservoir water level is too high, the high water sensor will activate to prevent over-flow. When 
this occurs, the dehumidifier will stop the compressor automatically and the display willshow “E4”. After a 1 
minute delay, the fan motor will turn off and the machine will not operate until the problem is resolved. To reset 
the unit after an “E4” error, check the pump to verify it is functioning,
then unplug the unit for two minutes.

The display screen has two functions:

When this light illuminates green, it indicates that the dehumidifier is set to continuous operation mode.  

When the light glows red, it means the unit is in auto defrost mode and clearing the evaporator coil of any ice buildup. 

When the remote indicator light is red, it illustrates the unit is remote mode.

While in remote mode, the dehumidifier will use the sensor on the remote control unit. In this mode,the inlet and
 outlet of the dehumidifier can be ducted.

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Summary of Contents for WatchDog 900C

Page 1: ...P 910 515 3033 E mail sales refine tec com Add Surf City North Carolina USA WatchDog 900C Installation and Operations Manual...

Page 2: ...ectrical Supply Principle of Operation Installation Key Functions Indicator Lights Remote Control Operating Instructions Warranty Information Spare Parts Troubleshooting Ducted Applications Dehumidifi...

Page 3: ...mber as you will need it for registration Safety Notes 2 Congratulations on purchasing a new Watchdog Dehumidifier Your new dehumidifier comes with an extensive warranty plan To register simply fill o...

Page 4: ...ot use an extension cord 4 Do not use a plug adapter Principle of Operation The Watchdog Series Dehumidifiers utilizes its integral humidistat to monitor the conditioned space When the relative humidi...

Page 5: ...humidity is higher than the set level the unit will operate NOTE The humidity levels displayed are approximate only 5 Use the up and down arrow buttons to set the desired humidity setpoint on the disp...

Page 6: ...ote control unit mode will allow you to remotely monitor the room conditions where the dehumidifier is located 6 Remote Indicator Light When the pump reservoir water level is too high the high water s...

Page 7: ...nitor the dehumidifier Operating Instructions 1 Start the machine Press the power key to turn the machine on 2 Adjust Settings Use the up and down arrow keys to adjust your desired setpoint typically...

Page 8: ...he Watchdog 900C has both automatic and manual draining During normal operation the Watchdog 900C will automatically drain as required If you would like to store or move the machine you may press the...

Page 9: ...1 2 3 4 Maintenance 8 Cleaning the machine body Use a soft damp cloth to clean exterior of unit Do not use any soap or solvents 1 Unplug the unit 2 Slide out the filter 3 Clean the filter mesh by vacu...

Page 10: ...oz water OR 4 oz white vinegar 12 oz water 14 5 Fill the pump reservoir with cleaning solution 15 16 7 Pour same cleaning solution slowly into drain tray under evaporator coils and let it clean hose f...

Page 11: ...cap Note The supply duct adapter is standard on all units a 6 7 10 Removing Duct Adapter If it is necessary to remove the adapter place hand at bottom of the adapter and use your hands to lift out an...

Page 12: ...2 Manually check to see if pump is operational by pressing the drain button Check if the pump energizes and de energizes properly Additionally check to see if any water purged from the system 3 If yo...

Page 13: ...Capacitor Internal Components Internal Components W 908 Compressor W 909 Compressor Capacitor W 910 Temp RH Sensor Cable W 911 Display Ribbon Cable W 912 Coil Temp Sensor Assembly W 914 Coil Assembly...

Page 14: ...er must mail in warranty registration card on page 13 to Refine If no card is submitted warranty period will begin the day the shipment left the Refine warehouse Please be sure to record serial and da...

Page 15: ...RANTIES AND LIABILITIES SET FORTH ARE IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED IN LAW OR IN FACT INCLUDING IMPLIED WARRANTIES OFMERCHANTABILITY AND FITNESS FOR PARTICULAR PURPOSE REFINE S...

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