
Table of Contents
1. Specifications
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2
2. Installation
........................................................................................
3
2.1 Location
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3
2.1A In Humid Area, No Ducting
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3
2.1B In Humid Area, Duct Inlet and/or Outlet
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3
2.1C In Remote Area, Duct Inlet & Outlet
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3
2.1D In Remote Area, Duct Outlet Only
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3
2.1E In Remote Area, Duct Inlet Only
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3
2.2 Electrical Requirements
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3
2.3 Condensate Removal
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3
2.4 Ducting
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3
2.4A Optional Ducting
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3
2.4B Ducting for Dehumidification
................................................
3
3. Dehumidifier Operation
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3
3.1 Humidity Control
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3
3.2 On/Off
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4
3.3 Mode
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4
3.4 Up/Down Arrows
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4
3.5 Button Press Tone
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4
4. LED Display
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4
4.1 Run LED
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4
4.2 Defrost LED
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4
4.3 Dehumidify LED
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4
4.4 Fan LED
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4
5. Digital Display
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4
5.1 Digital Display Relative Humidity %
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4
5.2 Digital Display Relative Humidity % Set Point
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4
5.3 Display Codes
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4
6. Memory/Power Failure
......................................................................
4
7. Operating Modes
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4
7.1 Power Up
..................................................................................
4
7.2 Default Settings After Power Up
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4
7.3 Dehumidify Mode
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4
7.4 Changing Modes
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4
7.5 Fan Mode
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4
7.6 Standby Mode
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4
8. Protection Functions and Troubleshooting
........................................
5
8.1 Defrost Protection
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5
8.2 Defrost Condition
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5
8.3 Coil Sensor Operating Properly
..................................................
5
8.4 Coil Sensor Malfunction (Digital Display Shows E1) 5
8.5 Defrost Cycle
............................................................................
5
8.6 Defrost Cycle Complete Conditions
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5
8.6A Coil Sensor Operating Properly
................................................
5
8.6B Coil Sensor Malfunction (Digital Display Shows E1)
.................
5
8.6C Defrost Cycle LED
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5
8.7 Dehumidifier Cycle Delayed Start
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5
8.8 Troubleshooting the Sensors
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5
8.8A Coil Sensor
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5
8.8B Humidity Sensor
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5
9. Other Functions
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5
9.1 Control Lock
..............................................................................
5
9.2 Display Coil Temperature
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5
10. Electromagnetic Compatible Standard
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5
10.1 EMS Criteria
............................................................................
5
10.2 EMC Criteria
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5
10.3 EMI Criteria
.............................................................................
5
11. Maintenance
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5
11.1 Air Filter
..................................................................................
5
12. Service
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6
12.1 Warranty
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6
12.2 Technical Description
..............................................................
6
12.3 Troubleshooting
......................................................................
6
13. Condensate Pump
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6
Wiring Diagram
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6
Service Parts List
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7
Exploded Parts Diagram
.......................................................................
8
Condensate Pump Installation Instructions
............................................
9
Ductable Inlet Mounting Detail
............................................................
10
Muffler Kit Instructions
.......................................................................
11
Filter Installation Instructions
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11
Specifications
Model: SDB-55
Blower: 300 CFM @ 0.0" WG
Power: 742 watts @ 80°F and 60% RH
Supply Voltage:115 volt – 1 phase - 60 Hz
Current Draw: 6.75 Amps
Energy Factor: 2.88 L/kWh
Operating Temp.:40°F Min., 95°F Max.
Sized for: 2500 Sq. Ft. - Typical
Minimum Performance at 80°F and 60%RH
Water Removal: 109 Pints/Day
Efficiency: 6.09 Pints/kWh
Air Filter: MERV-11
Efficiency:
Standard 65% Efficient, ASHRAE Dust Spot Test
Size: 16" x 20" x 2"
Power Cord: 10', – 110-120 VAC, Ground
Drain Hose: 9/16" ID x 8' Direct Gravity Drain Hose
Dimensions
Unit With Duct K itShipping
Width: 19 ¾" 22 ¾" 20¼"
Height: 36 ½" 43" 43¼"
Depth: 17 ½" 17 ½" 225
/
8"
Weight: 106 lbs 122 lbs
TABLE OF CONTENTS
2 Installer’s & Owner’s Manual
※ 50 Hz version is available upon request.