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INSTALLER’S & OWNER’S MANUAL
HVAC INSTALLER: PLEASE LEAVE MANUAL FOR HOMEOWNER
P/N 4026480 • Serial No.___________________________
Dehumidification Fresh Air Ventilation
The highly efficient Ultra-Aire XT150H dehumidifier utilizes Optional fresh outdoor air may be ducted to the unit via a six inch
refrigeration to cool the incoming air stream below its dew point. round duct. This provides fresh air to dilute pollutants and maintain
This cooled and drier air is used to pre-cool the incoming
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TABLE OF CONTENTS Table of Contents 5.3A Display ...................................................................... 14 Safety Precautions ......................................................................... 3 5.3B Setting ...................................................................... 14 1. Intended Application .................................................................. 4 5.3C On/Off Setting .......................................................... 14 2. Specifications
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SAFETY PRECAUTIONS 1. 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 Ultra-Aire XT150H 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. • Install the unit with space to access the back or side panels
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FOR HVAC INSTALLER ONLY Place the Ultra-Aire XT150H on supports that raise the base of 1. Intended Application for Ultra-Aire XT150H the unit above the top of the flanges on the drain pan beneath it. For the ideal installation, draw air from the central part of the home Raising the Ultra-Aire XT150H will help the unit drain with gravity and return it to isolated areas of the home like the bedrooms, den, flow. Do not place the Ultra-Aire XT150H directly on structural utility room, or fami
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FOR HVAC INSTALLER ONLY The remote controls of the Ultra-Aire XT150H are powered by a low may draw air from a basement that is open to the home. All flexible voltage circuit (24 Vac) and must NEVER contact or be connected ducting connected to the Ultra-Aire XT150H should be UL listed. to a high voltage circuit. The control wires leaving the Ultra-Aire The inlet of the Ultra-Aire XT150H is the 10" diameter hole in the XT150H and the remote control panels are numbered and color- filter enclosu
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FOR HVAC INSTALLER ONLY 3.4C Ducting for Fresh Air 3.4D Installation in a Basement or Crawlspace Fresh air can be brought into the structure by connecting an with an Existing Forced Air HVAC System insulated duct from outside to the 6" Ultra-Aire XT150H inlet and It is recommended that a new, separate return duct be installed for by turning on the fan switch or activating the humidity control (on the Ultra-Aire XT150H from a central area of the house. If this is not units with the humidi
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FOR HVAC INSTALLER ONLY from outside to the 6" collar of the Ultra-Aire XT150H if you wish to 3.4E Installation in an Attic with an provide fresh air ventilation. Existing Forced Air HVAC System ALWAYS install a catch pan with a drain and/or float interrupt 3.5 Quiet Installation switch for condensate under the Ultra-Aire XT150H in an attic to Consider compression vibration and airflow noise during reduce liklihood of water damage. installation. Use of flex duct and/or vibration isolat
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FOR HVAC INSTALLER ONLY Ventilation Timer/Humidity Control Panel (P/N 4024125) 4.2 Humidity Control Adjustment (Figure 2, p.7) Set the humidity control to the desired humidity level for the home. 4.6D Ventilation Timer and Humidity Control WITH Fresh Air Turning the knob clockwise results in a drier setting. See the back AND Motorized Damper of the control panel cover for set points. The dehumidifier will run continuously until DEH 3000 Digital Control (P/N 4024539) (Figure 1, p.10)
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FOR HVAC INSTALLER ONLY The ventilation timer allows six programs with each program 4.4C Automatic or Manual Mode having one “ON” and one “OFF” event. A program allows the The slide switch in the upper left of the timer is used to choose user to turn the ventilation on at a certain day and time, then it between automatic and manual operation. When the slide switch allows them to turn the ventilation off at a certain day and time. is set to AUTO mode, the Ultra-Aire XT150H will ventilate w
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ATTENTION INSTALLER WIRE THE UNIT AND CONTROL PACKAGE AS SHOWN IN THE DIAGRAM BELOW Humidity/Fan Control Panel Ventilation Timer/ Humidity Control Panel DEH 3000 Digital Control UA Base Unit White DMP COMP FAN Control Part No. 4026570 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
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FOR HVAC INSTALLER ONLY 5. DEH 3000 Digital Control Installation Instructions Control Part No. 4026570 5.1 Specifications Part # (P/N) 4026570 Model: DEH 3000 Digital Control Electrical: 24 VAC Humidity Range: 10 – 95% RH Humidity Accuracy: +/- 5% Output: 3 Amps 24 VAC Relay Capacity 5 Amps Temp Range/Accuracy 2% Size 4.95" wide x 4.19" high 5.2B Wiring FOR HVAC INSTALLER ONLY: WARNING: DO NOT ALLOW THE YELLOW LEAD FROM THE ULTRA-AIRE TO CONTACT THE RED OR WHITE LEADS 5.2 Installation F
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FOR HVAC INSTALLER AND HOMEOWNER Engage the A/C central fan during dehumidification 1. Disconnect the green wire that runs to the fan relay from the screw on the thermostat. 2. Connect the green wire that runs to the fan relay to the COM screw on the DEH3000 board. 3. Run a wire from the red wire screw on the thermostat to the NO (Normally Open) screw on the DEH3000 board. 4. R un a wire from the green wire screw on the thermostat to the NC (Normally Closed) screw on the DEH3000 board. Th
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FOR HVAC INSTALLER ONLY AND HOMEOWNER After connections have been verified, this short test will DEHUMIDIFIER DEACTIVATES WHEN THE confirm proper wiring. AIR-CONDITIONER IS RUNNING 1. Install front cover of control; insert at top first, then bottom. • The common wire on the thermostat transformer (black) needs to be wired with the yellow wire from the 2. Plug in Ultra-Aire base unit. The control should power up. dehumidifier. 3. Turn control on by pressing the ON/OFF button. • The Yellow
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FOR HVAC INSTALLER ONLY AND HOMEOWNER 8. Verify additional optional control operations such as fan interlock or lockout. 9. Proceed to operation/setting section. FOR INSTALLER & HOMEOWNER: 5.3 Operation 5.3A Display • When there is power to the control, the control display will show the time, day, humidity, and temperature. • When the control is turned on, the setpoint, fan status, auto/hold mode, and fresh air vent status is displayed. • When a key is pressed the display will light. •
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FOR HVAC INSTALLER ONLY AND HOMEOWNER Operation continuously are filtration and air recirculation. The initial dead band setting (the range that the dehumidifier “AUTO” – indicates the fan will run when the control calls for cycles on and off) is 3%. With a setpoint of 50%, the dumidifier dehumidification or ventilation. If the control has not called for turns on when the reading reaches 53%. The dehumidifier dehumidification for 3 hours, the control will automatically run continues to rem
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FOR HVAC INSTALLER ONLY AND HOMEOWNER The ventilation indicator “O” will be displayed whenever There are two programs available for ventilation Monday through Friday. There are also two programs for Saturday and the unit is ventilating. The fan operation indicator “O” will also be lit. Sunday. No other choice of days is available. There are three damper operation modes, “OPEN –HOLD,” Each program has: “CLOSED – HOLD” and “PROGRAM” (denoted by “ON TIME” • A “START” time of day when the
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FOR HVAC INSTALLER ONLY AND HOMEOWNER 2. Press the program enter key to toggle to the “open for” feature will not need to be used. If temperature cutout is desired, setting. Using the up/down “RH” keys, change the program the setpoint by pressing the “PROGRAM ENTER” duration that the damper will ventilate fresh air. button. Press RH until “TEMP CUTOUT” is flashing. Use “RH” up or “RH” down to adjust setpoints. 3. Press the program enter key to toggle to the “closed for” setting. Us
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FOR HVAC INSTALLER ONLY 7.2 Technical Description 6. Maintenance The Ultra-Aire XT150H uses a refrigeration system similar to an air 6.1 Standard Air Filter conditioner's to remove heat and moisture from incoming air, and The Ultra-Aire XT150H is equipped with a pleated cloth air filter. add heat to the air that is discharged (See Figure 15). This filter should be checked every six months. Operating the unit with a dirty filter will reduce dehumidifier capacity and efficiency Hot, high-
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FOR HVAC INSTALLER ONLY No dehumidification, compressor does not run but impeller fan Unit removes some water, but not as much as expected. runs with fan switch and ventilation timer OFF and humidity 1. Air temperature and/or humidity have dropped. control turned to ON. 2. Humidity meter and or thermometer used are out of 1. Defective compressor run capacitor (Sec. 5.6). calibration. 2. Bad connection in compressor circuit 3. Unit has entered defrost cycle (Sec. 5.8). (See Fig. 4). 4. Air
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FOR HVAC INSTALLER ONLY 5. Remove fan/bracket assembly by removing 3 screws from replace the run capacitor. the bracket and inlet ring assembly. 11. If the unit still does not start, adding a hard-start kit (relay & 6. R emove the defective impeller fan from the bracket and capacitor) will provide greater starting torque. If this doesn't replace with it with the new impeller fan. work, the compressor has an internal mechanical defect and 7. Reassemble the new impeller fan by reversing the
