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INSTALLER’S & OWNER’S MANUAL
Ultra-Aire 135H Whole House
Ventilating Dehumidifier
UA-135H • Part No. 4025470 • Serial No.________________________________
Dehumidification Fresh Air Ventilation
The highly efficient Ultra-Aire 135H dehumidifier utilizes refrigeration Optional fresh outdoor air may be ducted to the unit via a six inch
to cool the incoming air stream below its dew point. This cooled and round duct. This provides fresh air to dilute pollutants and maintain
drier air is used to pr
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TABLE OF CONTENTS /SAFETY PRECAUTIONS & SPECIFICATIONS Table of Contents 4.7F DEH 2000 Digital Controller Without Fresh Air ...............8 Safety Precautions ..........................................................................3 4.8 Humidity Control Adjustment ...............................................8 1.Intended Application ....................................................................4 4.9 Fan/Filter Switch ..................................................................8
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SAFETY PRECAUTIONS Safety Precautions Read the installation, operation and maintenance instructions carefully before installing and operating this device. Proper adherence to these instructions is essential to obtain maximum benefit from your UA-135H indoor air quality system. READ AND SAVE THESE INSTRUCTIONS • The device is designed to be installed INDOORS IN A SPACE THAT IS PROTECTED FROM RAIN AND FLOODING. • I nstall the unit with space to access the front panel for maintenance and ser
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FOR HVAC INSTALLER ONLY optional fresh air ventilation to the filter box should be easily 1. Intended Application for Ultra-Aire 135H accomplished by the unit's location. For the ideal installation, draw air from the central part of the home and return it to the isolated areas of the home like the bedrooms, 4.1C Power Accessibility den, utility room, or family room. The ductwork of the existing Unit should be located in an area where the cord's length (6') should heating system can be used
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FOR HVAC INSTALLER ONLY lengths from building supply, plumbing or hardware stores. Grade of 4.3 Electrical Requirements pitch should be 1" per 10'. WARNING: Do not allow the yellow lead from the Ultra-Aire to contact the red lead or orange 4.4A Lifting Condensate An optional condensate pump kit may be lead from the Ultra-Aire or damage to the installed if a lift is required to dispose of transformer will result. the condensate. The condensate pump The UA-135H plugs into a common grounded
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FOR HVAC INSTALLER ONLY Duct Sizing: For total duct lengths up to 25', use a minimum 10" the structure during these times. This approach is often more diameter round or equivalent rectangular. For longer lengths, use a economical than running the dehumidifier to remove excess minimum 12" diameter or equivalent. Grills or diffusers on the duct moisture from the structure. In cold climates, it is critical to ends must not excessively restrict airflow. adequately ventilate to reduce the inside m
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FOR HVAC INSTALLER ONLY Ultra-Aire return. Always select a return from a central location in the will circulate through the UA-135H to be filtered and dehumidified. structure in an area that is always open to the rest of the structure. 4" diameter duct is recommended for branches to the bedrooms, 6" Do not use a return from a room that may have its door closed much diameter duct is recommended for branches to larger areas. Connect of the time or, alternatively, install a separate return from
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FOR HVAC INSTALLER ONLY 4.7A Humidity/Fan Control Panel WITHOUT Fresh Air 4.8 Humidity Control Adjustment Set the humidity control to the desired Ventilation or Damper humidity level for the home. Turning the knob The humidity/fan control panel automatically controls the humidity clockwise results in a drier setting. See the of the living space. The humidity/fan control panel contains an back of the control panel cover for set points. adjustable humidity control and a fan switch. The pane
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FOR HVAC INSTALLER ONLY panel receives 24Vac from the UA-135H. If 24Vac is present at the control panel, reset the timer by pressing the reset button at the bottom center of the timer face. The reset button is the small recessed button with an R beneath it located below the 1...7 and h buttons. Depress the reset button until the display clears. Release the reset button. The display will reappear as 00:00. Resetting the timer will clear the time and all program settings. After resetting the
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ATTENTION INSTALLER WIRE THE UNIT AND CONTROL PACKAGE AS SHOWN IN THE DIAGRAM BELOW WARNING: DO NOT allow the yellow lead from the unit to contact the red lead or the white lead from the unit or damage to the transformers will result. Do not direct connect the white lead on the unit to the violet lead on the ventilation control or damage to the transformer will result. 10 Ultra-Aire 135H Installer’s & Owner’s Manual
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FOR HVAC INSTALLER ONLY allowing it to slide downward to lock into position. 5. (DEH 2000) DIGITAL CONTROL 7. Make the electrical connections to the terminals on theback Installation Instructions panel as shown in the wiring diagram. 8. Seal the hole around the wires to prevent air movement. 9. Reconnect the quick connector onto the back panel. 10. Reassemble the front to the back panel. Connect at the top first, then at the bottom. 5.2B Wiring WARNING Warning: Do not allow the ye
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FOR HVAC INSTALLER AND HOMEOWNER • The word “CLOCK” appears at the top of the display during the clock display, along with the day and time. • The word “HUMIDITY” appears during the humidity display, with the current Set point on the left, and the ambient RH on the right. • The word “TEMP” appears as the unit displays the current temperature. • T he fan status display is indicated by a capitol “F”. “OF” indicates fan off status, “on” indicates fan on status. • The damper display is i
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FOR HVAC INSTALLER AND HOMEOWNER “on” mode, the fan will run continuously. This does not effect the 5.3E Setting Relative Humidity Set point dehumidification functions of the system. The system may or may The relative humidity Set point operates the dehumidifier function of not be ventilating or dehumidifying while the fan is running. Common the Ultra-Aire. It has no effect on any other function of the unit. The reasons for operating the fan continuously are continuous filtration control
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FOR HVAC INSTALLER AND HOMEOWNER 5.3I Intermittent or Programmed Ventilation 9. Pressing the “PROG” button again to move onto “program 2/stop” With the damper in program mode (denoted by “Pr” when setting the and begin the process again if setting the other programs. Follow damper operation) the system will operate the ventilation function the same procedure for each program. according to the current ventilation program. 10. To end the program process simply leave the control alone (don’t
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FOR HVAC INSTALLER AND HOMEOWNER 2. Defective compressor overload. 6. Service 3. Defective compressor. CAUTION: Servicing the UA-135H with its high pressure 4. Defrost thermostat defective. refrigerant system and high voltage circuitry presents a health 5. Dirty air filter(s) or airflow restricted. hazard which could result in death, serious bodily injury, and/or 6. Low refrigerant charge, causing defrost control to cycle. property damage. Only qualified service people should service 7. Bad
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FOR HVAC INSTALLER AND HOMEOWNER only the impeller fan should run. Disconnect the wires. CAUTION-ELECTRICAL SHOCK HAZARD: Electrical power must be 3. Connect the yellow and blue pigtails from the main unit together; present to perform some tests. These tests should be performed the compressor and impeller fan should run. by a qualified service person. 4. I f these tests work, the main unit is working properly. You should 6.6 Replacing a Compressor, Nonburn Out check the control panel and fie
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WIRING DIAGRAMS UA-135H With Humidity/Fan Control (4024155) UA-135H W/Ventilation Timer/ Humidity/Fan Control (4024125) UA-135H With DEH 2000 Digital Controller (4024539) 17 Ultra-Aire 135H Installer’s & Owner’s Manual
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OPTIONAL PARTS LIST Item Part No. Description 1 4024125 Control Panel Assembly, Ventilation Timer & Humidity Control 2 4024155 Control Panel Assembly, Humidity/Fan 3 4024539 DEH 2000 Digital Controller 4 4025287 Filter Box 5 4022220 Condensate Pump Kit, External 6 4024377 Optional External Insulation Kit (not shown) 7 4024369 2”x20”x24” Filter (not shown) 8 4024370 4”x20”x24” Filter (not shown) 9 4020646 10” Backdraft Damper (not shown) 10 4025463 Stand Kit (not s
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SERVICE PARTS LIST Item Part No. Description 1 4021589 Capillary Tube, .059" X .124" X 28.00" (not shown) 2 4025075 Compressor, Carlyle (EBA105111A) 3 4025298 Compressor Overload (EBA105111A) (not shown) 4 4022484 Compressor Relay, SPST, 24 Vac, 30A 5 4025244 Compressor Run Capacitor, 30 MFD 6 4021396 Condenser Coil 7 4021470 Defrost Thermostat 8 4021648 Defrost Thermostat Mounting Clip (not shown) 9 4021395 Evaporator Coil 10 4025076 Impeller Fan 1 1 4020924 Im
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ULTRA-AIRE 135H Dehumidifier Limited Warranty WARRANTOR: LIMITATIONS AND EXCLUSIONS: This warranty does not cover any defect, malfunction, etc. resulting from Therma-Stor LLC misuse, abuse, lack of normal care, corrosion, freezing, PO Box 8680 tampering, modification, unauthorized or improper repair Madison, WI 53708 or installation, accident, acts of nature or any other Telephone: 1-800-533-7533. cause beyond Therma-Stor LLC's reasonable control. If any Ultra-Aire 135H Dehumidifier part is
