background image

13

Ultra-Aire 150H Installer’s & Owner’s Manual

5.3E Setting Relative Humidity Set point 

The relative humidity Set point operates the dehumidifier function of 
the Ultra-Aire. It has no effect on any other function of the unit. The 
control senses the ambient relative humidity of the space in which 
it is located. The ambient condition is displayed on the right in the 
relative humidity display sequence, under the word “HUMIDITY”. The 
current Set point is displayed on the left, under the word “SET”. 

If the Set point is equal to or greater than the current ambient 
condition, the space does not need to be dried, sothe dehumidifier 
function will be off. Example: Set point: 50%RH Current condition 
45% RH = Dehumidifier off, red “DEHU”indicator not lit.

If the Set point is less than the ambient condition, thedehumidifier 
will be on, and the red “DEHU” indicator will be lit. The space is more 
humid than the Set point, so the controller operates the dehumidifier 
to dry the space.Example: Set point: 50% RH Current condition: 55% 
RH =Dehumidifier on, red “DEHU” indicator lit.

To set the relative humidity Set point, press the “HUM”button. The 
display will show the “HUMIDITY” display, and theword “SET” will 
flash. Use the “SET” + or – buttons to adjustthe relative humidity 
Set point as desired. Therma-Stor LLC recommends relative 
humidity levels of 45% in the summer,and lower levels in the 
winter. It is not recommended thehumidity Set point be set below 
35%. In order to dry thehome in the winter in a cold climate, use 
the ventilationfunction of the system rather than the dehumidifier 
function.

5.3F Fan Setting and Operation 

Use the “FAN” button to adjust the fan operation. There are 3 choices 
for fan operation: “on”, “off” (denoted by “OF”), or program (denoted 
by “Pr”). To set operation, 
1.  Press the “FAN” button. The display will indicate the current fan 

setting. 

2.   Use the “SET” + or – buttons to adjust fan operation (“on”, “OF”’ 

or “Pr”). Press the “FAN” button again or leave the unit alone for 
10 seconds to return to home state. 

5.3G Fan On Fan Off Fan Program 

The fan display reading in the normal display sequence does not 
indicate the current fan setting, it indicates the current fan status, 
and will always read either on or off. With the fan in the 

“on” mode, the fan will run continuously. This does not effect the 
dehumidification functions of the system. The system may or may 
not be ventilating or dehumidifying while the fan is running. Common 
reasons for operating the fan continuously are continuous filtration 
and air recirculation. With the fan in the “off” or “program” mode, 
the fan will operate only when needed by other functions of the 
system. The fan will remain off unless the system is dehumidifying 
and/or ventilating. The fan always runs during dehumidification, it 
also always runs during ventilation. To completely turn the system 
off, use the “ON/OFF” button as described earlier. 

5.3H Damper Operation and Setting (Ventilation) 

The damper setting controls the ventilation function of the system. 
It has no control over the dehumidification function. In order to 
provide ventilation, the damper must be open (“on”) and the fan 
must be running. The controller takes care of these two functions 
automatically, so whenever the damper is open (“on”), the fan is 
running. 

This is true even if the fan has been set to the “off” mode. The 
ventilation indicator will be lit whenever the unit is ventilating. 

There are three damper operation modes, “on”, “off” (denoted by 
“OF”), and program (denoted by “Pr”). With the damper in the “on” 
mode, the damper will be open and the fan of the system will be 
operating in order to introduce fresh air into the space. Use this 
mode for continuous fresh air ventilation. The fan is always on when 
the damper is open. When in “off” mode, the damper will not open 
and the system will not ventilate. 

When in the “program” mode, the control will operate the damper 
and fan (ventilate) according to the programmed ventilation schedule 
(see the section referring to programming the ventilation schedule). 

To select damper operation: 

1.  Press the “DAMPER” button. The letter “d” will appear on the 

display, along with the current mode setting. 

2.   Use the “SET” + or – buttons to adjust the fan setting to the 

desired mode (“on”, “OF”, or “Pr”). 

3.   Press the “DAMPER” button again or leave the control alone for 

10 seconds to select the indicated damper mode and return to 
the home state. 

FOR HVAC INSTALLER ONLY AND HOMEOWNER

Содержание Ultra-Aire UA-150H

Страница 1: ...e unit The Ultra Aire 150H is controlled by 24 volt remote wired controls A variety of controls are available suitable to various applications Fresh Air Ventilation Optional fresh outdoor air may be ducted to the unit via a six inch round duct This provides fresh air to dilute pollutants and maintain high oxygen content in the air The amount of fresh air ventilation can be regulated by a variety o...

Страница 2: ...ing and Operation 13 5 3G Fan On Fan Off Fan Program 13 5 3H Damper Operation and Setting 13 5 3I Intermittent Programmed Ventilation 14 5 3J Programming Notes 14 5 3K Ventilating or Dehumidifying to Control Indoor Relative Humidity Levels 14 5 3L Stop Start 14 5 3M Low Pressure Control 14 6 Maintenance 15 6 1 Standard Air Filter 15 6 2 High Efficiency Air Filter 15 6 3 Impeller Fan Oiling 15 6 4 ...

Страница 3: ... the front panel for maintenance and service DO NOT INSTALL UNIT WITH THE FRONT PANEL INACCESSIBLE Avoid directing the discharge air at people or over the water in pool areas If used near a pool or spa be certain there is NO chance the unit could fall into the water splashed and that it is plugged into a GFI GROUND FAULT INTERRUPT OUTLET DO NOT use the device as a bench or table DO NOT place the d...

Страница 4: ...tape or a suitable alternative from structural members Remember to place a drain pan under the unit if it is suspended above a finished area or above an area where water leakage could cause damage The UA 150H should be located near the existing air handling system to minimize the required ductwork for connecting the UA 150H to the existing air handling system The controls for the UA 150H are remot...

Страница 5: ...UA 150H and fold the tabs up to attach to UA 150H 3 4B Ducting for Dehumidification 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 den utility room or family room The ductwork of the existing heating system can be used to supply air to the home If the existing supply goes to isolated areas of the home discharg...

Страница 6: ...e inside and outside air conditions Consult the factory by calling 1 800 533 7533 for recommendations regarding the use of higher flows with your specific application The outside air duct should be connected to the 6 round collar on the filter enclosure of the unit The 6 round collar includes a manual damper Adjust the manual damper to provide the desired amount of fresh air for ventilation The am...

Страница 7: ... ties to secure it during shipment This rigid attachment is not necessary once the unit is installed and may cause noise from compressor vibration After installation cut the cable ties to free the compressor from the cabinet REMOVE THE HORIZONTAL CABINET SUPPORT TO WHICH THE COMPRESSOR IS ATTACHED The ends of the support are notched so that the support can easily be removed Cut the strips of metal...

Страница 8: ...nded Quality humidity meters are available from the factory and are recommended to accurately monitor humidity levels 4 4 Fan Filter Switch Turning ON the fan filter switch will cause the the UA 150H impeller fan to run continuously whether the UA 150H is dehumidifying or not This function is desirable if the unit is used for air circulation and filtration to achieve maximum indoor air quality Whe...

Страница 9: ... the number 1 should remain in the lower right hand corner of the display The 1 and OFF signify the turn off time for the first program Set the turn off time using the 1 7 h and m buttons in the same way as described above and continue on to the second through sixth programs When setting the ventilation programs you can return to the current time display by sliding the switch in the upper right co...

Страница 10: ...LOW ATTENTION INSTALLER 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 ...

Страница 11: ...1 8 from the wall or flat surface 6 Align the back panel against these screws pushing it forward allowing it to slide downward to lock into position 7 Make the electrical connections to the terminals on theback 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 C...

Страница 12: ... temperature The fan status display is indicated by a capitol F OF indicates fan off status on indicates fan on status The damper display is indicated by a d with the same on off status indicators as the temperature The ventilation program is displayed along the bottom of the display during the clock humidity and temperature displays only when the damper operation is set to the programmed setting ...

Страница 13: ...indicate the current fan setting it indicates the current fan status and will always read either on or off With the fan in the on mode the fan will run continuously This does not effect the dehumidification functions of the system The system may or may not be ventilating or dehumidifying while the fan is running Common reasons for operating the fan continuously are continuous filtration and air re...

Страница 14: ...remember any changes and return to home state 5 3J Programming Notes To run the ventilation program the damper mode must be in the program mode Pr The timer can be operated manually without changing the program by adjusting the damper mode from program to either on or off To delete a program after it has been entered adjust the program so the START and STOP times are identical Occupants should det...

Страница 15: ...clean the high efficiency pleated paper filter It should be replaced when it becomes restrictive See Figure 7 6 3 Impeller Fan Oiling The impeller fan motor is factory lubricated for many years of normal operation and no further oiling is required 6 4 Optional Fresh Air Return Check and clean the screen on the outdoor fresh air return seasonally The screen may become plugged during the seasons whe...

Страница 16: ...vaporator coil frosted continuously low dehumidifying capacity 1 Defrost thermostat loose or defective Sec 5 8 2 Low refrigerant charge 3 Dirty air filter s or airflow restricted 4 Excessively restrictive ducting connected to unit Unit not providing ventilation Ventilation timer not operating correctly 1 If timer is not functioning correctly reset timer and reprogram Sec 3 5 2 Check control wire c...

Страница 17: ... The compressor must be replaced Normal run winding resistance is 5 to 2 ohms 6 Compressor terminal C and overload terminal 1 No continuity indicates a defective overload lead 7 Overload terminals 1 and 3 If there is no continuity the overload may be tripped Wait 10 minutes and try again If there is still no continuity it is defective and must be replaced 8 Compressor terminal C and compressor cas...

Страница 18: ...ntrol is out of calibration or the RH is below 40 The UA 150H is equipped with an automatic defrost mechanism If the UA 150H operates in conditions that develop frost on the evaporator it will sense the frost build up and automatically defrost the evaporator The UA 150H may not appear to be operating correctly during the defrost sequence but once the defrost sequence is completed the UA 150H will ...

Страница 19: ... Under these conditions the unit will restart within several minutes Until the unit warms up it may cycle several times 7 11 Condensate Pump Kit An optional condensate pump kit is available from the factory for use with the UA 150H Condensate is automatically pumped to a remote location when the water level in the pump s reservoir rises to close the float switch The pump also contains a safety flo...

Страница 20: ...FOR HVAC INSTALLER ONLY 20 Ultra Aire 150H Installer s Owner s Manual Pictorial Electrical Diagrams of UA 150H ...

Страница 21: ...21 Ultra Aire 150H Installer s Owner s Manual Wiring Diagrams FOR HVAC INSTALLER ONLY ...

Страница 22: ...57 1 Evaporator Coil 10 4024270 1 Impeller Fan 11 4020924 1 Impeller Fan Relay SPDT 24 Vac 15A 12 4024360 1 Impeller Fan Run Capacitor 16MFD 13 4025087 1 Filter Drier 14 4021626 1 Hose Drain Pan 56 ID x 8 15 4024368 1 Inlet Collar 10 Galvanized Steel 16 4023928 1 Inlet Collar 6 Galvanized Steel with Damper 17 4022219 1 Low Pressure Control 18 4021332 1 Outlet Collar 10 Galvanized Steel 19 4022487 ...

Страница 23: ...l Panel Assembly Ventilation Timer Humidity 30 4023660 1 Controller Humidity 31 4023672 1 Duct Damper 6 Diameter Electrically Actuated not shown 32 4024153 1 Cover for Items 28 29 not shown 33 4021495 1 Knob Black 25 shaft 34 4024150 1 Instructions Humidity Fan not shown 35 4024122 1 Instructions Ventilation Timer Humidity not shown 36 4025560 1 Switch Black SPDT On Off 37 4022486 1 Timer 7 Day 24...

Страница 24: ...f the floor 2 Slide 2 of the nuts over each screw 3 Attach the screws with nuts to the holes located in the bottom corners of the UA 150H 4 Slide the grommet over the screw and nuts assembly 5 Repeat for the other end of the UA 150H VIBRATION ISOLATION KIT UA 150H 24 Ultra Aire 150H Installer s Owner s Manual ...

Страница 25: ...A 150H if possible as this is the easiest time to install the insulation kit Install the insulation kit as shown in the illustration below After installing the insulation cut out the holes for the supply and return connections and cut the seam around the removable front cover so it can be removed easily If more insulation is needed two or more insulation kits may be applied to a single UA 150H EXT...

Страница 26: ...ATTENTION INSTALLER 26 Ultra Aire 150H Installer s Owner s Manual ...

Страница 27: ...lications and does not cover any defect malfunction etc resulting from misuse abuse lack of normal care corrosion freezing tampering modification unauthorized or improper repair or installation accident acts of nature or any other cause beyond Therma Stor LLC s reasonable control LIMITATIONS AND EXCLUSIONS If any Ultra Aire 150H Dehumidifier part is repaired or replaced the new part shall be warra...

Страница 28: ...ermastor com Information in this document is subject to change without notice No part of this document may be reproduced or transmitted in any form or by any means electronic or mechanical for any purpose without the express written permission of Therma Stor LLC 2006 Therma Stor LLC All rights reserved ...

Отзывы: