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Therma-Stor Products Group 90H User's Manual

1. 4 6B Humidity Fan Control Panel WITH Fresh Air Ventilation and WITHOUT Damper 4 6C Humidity Fan Control Panel WITH Fresh Air Ventilation AND Damper 4 6D Ventilation Timer and Humidity Control WITH Fresh Air AND Motorized Damper 4 6E DEH 2000 Digital Controller WITH Fresh Air AND 4 6F DEH 2000 Digital Controller WITHOUT Fresh 4 7 Humidity Control Adjustment 4 8 Fam Hilter SWIECIl tte terere tertiis 4 9 Ventilation Timer ee 4 9A Setting the Time see 9 4 9B Ventilation 9 4 9C Automatic or Manual Mode 9 5 DEH 3000 Digital Control L 10 5 1 Specifications 10 5 2 Installation 10 5 2A Install Instructions sen 10 52B WINING ssa ern Af 10 5 2C Auxillary Relay 11 5 2D Dehumidifier 11 Wd ss LOCUM FE 12 b 2 EF sacco rete e efr s 12 5 9 OpPelatlON cire cni eh ties 13 5 9A DISDIay
2. When the fan filter switch is in the ON position the motorized damper will open and the fan will run introducing outside air The unit may or may not be dehumidifying in the ventilation mode depending on the humidity control setting See Section 4 7 for humidity control operation 4 6D Ventilation Timer and Humidity Control WITH Fresh Air AND Motorized Damper Refer to sections 4 7 through 4 9C 4 6E DEH 2000 Digital Control WITH Fresh Air AND Damper Refer to Section 5 4 6F DEH 2000 Digital Control WITHOUT Fresh Air Refer to Section 5 4 7 Humidity Control Adjustment Set the humidity control to the desired humidity level for the home Turning the knob clockwise results in a drier setting See the back of the control panel cover for set points The dehumidifier will run continuously until the relative humidity RH is reduced to the Fi 3 m l TUB oc PAM humidity control dial setting Setting the Adjustment Knob humidity control to lower RH levels will NOT increase the dehumidification rate the unit will simply run longer to reduce the RH to the setting The UA 90H unit and refrigerant based dehumidifiers in general will reduce a warm space s RH to a lower level than that of a cool space Therefore there is no benefit to set the humidity control to excessively low levels in cool rooms doing so will result in long periods of ineffective dehumidifier run time Settings below 4596 are not recommended 4 8 Fan
3. which gives you equal weekday weekend schedules Menu when you select MON FRI or SAT SUN PROGRAM MON FRI DAY START DENT OPEN FOR CLOSED FOR 8 00AM m 2 9 1 Enter the starting time for weekdays using the up down RH keys to change the time Ultra Aire 90H Installer s amp Owner s Manual FOR HVAC INSTALLER AND HOMEOWNER 2 Press the program enter key to toggle to the open for setting Using the up down RH keys change the duration that the damper will ventilate fresh air 3 Press the program enter key to toggle to the closed for setting Using the up down RH keys change the duration that the damper will remain closed between ventilation For the example given starting at 8 00AM in the morning the control will ventilate fresh air for 15 minutes then stop for 15 minutes This schedule of 15 minutes open 15 minutes closed will continue until the start time of the night schedule Press PROGRAM ENTER again to go to the MON FRI night schedule Repeat the steps listed above for this and the SAT SUN day and night schedules When you return to the main program menu use the up down RH buttons to select RUN PROGRAM PROGRAM HOLD RUN PROGRAM PROGRAM TEMP CUTOUT EXIT Press PROGRAM ENTER to run the program The display will appear as follows 7 42PM MONDAY cy Be SETPOINT 49 o DENT 15 15 o FAN AUT
4. 39 I9 SETPOINT 5196 UENT CLOSED o FAN RUTO HOLD 5 3H Intermittent or Programmed Ventilation This example shows the damper in PROGRAM mode denoted by the schedule 15 minutes on 5 minutes off 7 42PM MONDAY 507 S5 SETPOINT 49 15 05 AUTO RUN o DENT C FRN The status of the damper is show here O is open blank is closed The system will operate the ventilation function according to the current ventilation program The control needs to be programmed to turn the ventilation function on and off at the desired intervals This is done by programming the ventilation timer 15 There are two programs available for ventilation Monday through Friday There are also two programs for Saturday and Sunday No other choice of days is available Each program has e START time of day when the ventilation schedule begins e An OPEN FOR duration for the amount of time the damper stays open in 5 minute intervals from 0 to 60 e A CLOSED FOR duration which closes the vent for a specified time in 5 minute intervals from 0 to 60 Example 1 Press PROGRAM ENTER button The following menu appears PROGRRM HOLD RUN PROGRRM PROGRAM TEMP CUTOUT EXIT 2 Using the up down RH buttons select PROGRAM The following menu appears PROGRAM MON FRI SAT SUN MON SUN EXIT You can select from MON FRI or SAT SUN for separate weekday weekend schedules or MON SUN
5. MINUTES BEFORE EXPECTING NORMAL OPERATION 5 3B Setting During the set up process if you make a mistake simply continue You can always go back to adjust the settings If you leave the control alone and don t touch any buttons for 10 seconds the control will remember any changes made and return to home 5 3C On Off Setting Press the ON OFF button to turn the system on or off When the system is on the setpoint fan status auto hold mode and fresh air vent status is displayed In the off mode the control will show the time day humidity and temperature When the unit is shipped it is in manual mode 13 Hold Mode 8 36AM SATURDAY 137 86 SETPOINT 17 DENT CLOSED FAN AUTO HOLD Auto Mode 8 54PM SATURDAY 10 83 SETPOINT 17 o DENT 00 60 o FAN ON RUN Off 8 17PM MONDAV 147 1 T 3D Setting Clock Time Press and hold the CLOCK button The hour display will flash Release the button 2 Use the UP DOWN RH buttons to change the value 3 Press the CLOCK button again and the minute display will flash Use the RH buttons to change the value 4 Press the CLOCK button again and the AM PM display will flash Use the RH buttons to toggle the value 5 Press the CLOCK button again and the day display will flash Use the RH buttons to change the value If the CLOCK button is pressed again or no button is pressed for 5 seconds the displa
6. Timer amp Humidity not shown 17 4020554 Switch Black SPDT On Off 18 4022486 Timer 7 Day 24 Vac Programmable Item 1 Ventilation Timer amp Item 2 Humidity Fan Control Item 4 Filter Box Humidity Control Item 3 DEH 3000 Digital Control TELLE ananana Accessories 20 Ultra Aire 90H Installer s amp Owner s Manual FOR HVAC INSTALLER ONLY 10 Service Parts List UA 90H Indoor Air Quality System Item Part No Description 1 4023648 Compressor Carlyle EAA070111A 2 4023681 Compressor Overload EAA0701 114 3 4022484 Compressor Relay SPST 24 Vac 30A 4 4024912 Compressor Run Capacitor 25 MFD 5 4025561 Fan 6 4020924 Fan Relay SPDT 24 Vac 15A 7 4022487 Transformer 120 24 Vac 40 VA 8 4025544 Condenser Evaporator Strainer amp Capillary Tube Assembly FOR HOMEOWNER ROUTINE MAINTENANCE Item Part No Description 1 4026151 14 x14 x1 Standard UA 90 H Filter 2 4024369 2 20 24 Filter not shown Use only with Filter Box 3 4024370 20 x24 Filter not shown Use only with Filter Box It is recommended the filter be checked every six months Operating the unit with a dirty filter will reduce dehumidifier capacity and efficiency and may cause the compressor to cycle off and on unnecessarily on the defrost control 21 Ultra Aire 90H Installer s amp O
7. diner caters 13 BBB SOUNO rta cere Pd 13 5 3C On Off Setting esee 13 5 3D Setting Clock Time ssmsmemsmennnnznnranzanzznnnznzzni 13 5 3E Setting Relative Humidity Setpoint 13 5 3F Fan Setting 8 14 5 36 Damper Operation and Setting Ventilation 14 5 3H Intermittent Programmed Ventilation 15 5 31 Temperature Cutout Programming 16 5 3 Default Settings rennen 17 6 Control Package Diagram 14 T Maintenance et Di ge 18 1 1 Standard Air Filter rte 18 7 2 High Efficiency Air 18 7 3 Optional Fresh Air Intake 18 8 WiringiDia tams ite tenete 19 9 Optional Parts List ss ssesmenennnnnnznnnnzaznazzznnnazazznnnzazni 20 10 Service Parts LIST iere net race etae 21 Ur M 22 11 1 Technical Description 22 11 2 Troubleshooting sisina 22 11 3 Refrigerant Charging L 23 11 4 Compressor Capacitor Replacement 23 11 5 Electric Ventilation Damper 23 11 6 Condensate Pump 23 29 L l
8. ducting leaks 8 Defective compressor 9 Restrictive ducting 10 Optional Condensate Pump Safety Switch open Unit Test to determine problem 1 Detach field control wiring connections from main unit 2 Connect the yellow and green pigtails from the main unit together only the fan should run Disconnect the wires 3 Connect the yellow and blue pigtails from the main unit together the compressor and fan should run 4 lf these tests work the main unit is working properly You should check the control panel and field control wiring for problems next 5 Remove the control panel from the mounting box and detach it from the field installed control wiring Connect the blue yellow and green wires from the control panel directly to the corresponding colored pigtails on the main unit Leave the violet white and red wires disconnected 6 Turn on the fan switch the fan should run Turn off the fan switch 7 Turn on the humidity control the compressor and fan should run 8 If these tests work the problem is most likely in the field control wiring 11 3 Refrigerant Charging If the refrigerant charge is lost due to service or a leak a new charge must be accurately weighed in If any of the old charge is left in the system it must be recovered before weighing in the new charge Refer to the unit nameplate for the correct charge weight and refrigerant type 23 11 4 Compressor Capacitor Replacement This compressor is e
9. noise and vibration transmitted to rigid ductwork in the structure Ducting the UA 90H as mentioned requires consideration of the following points Duct Sizing For total duct lengths up to 25 use a minimum 10 diameter round or equivalent rectangular For longer lengths use a minimum 12 diameter or equivalent Grills or diffusers on the duct ends must not excessively restrict airflow Ultra Aire 90H Installer s amp Owner s Manual FOR HVAC INSTALLER ONLY Isolated Areas Effective dehumidification may require that ducting be branched to isolated stagnant air flow areas Use 8 or larger diameter branch ducting to each of two or three areas use 6 or larger to each of four or more areas Provisions must be made to provide airflow from supply locations to central return location Proper air distribution is important to ensure even humidity control and heat distribution throughout the structure See Figure 1 Fresh Air Intake optional Ultra Aire Supply Air Ultra Aire Indoor Air Return Figure 1 Ducting to isolated areas Connecting to existing HVAC systems An optional 10 check backdraft damper is available from the factory to prevent reverse air flow through the UA 90H If the UA 90H is ducted to the supply of an air handler the check damper should be placed in the UA 90H supply duct Ventilation operation is controlled by the remote controls offered with the UA 90H These controls determine the time frequency t
10. or alternatively install a separate return from the open part of the house 4 4D Installation in an Attic with an Existing Forced Air HVAC System IMPORTANT ALWAYS install a catch pan with a drain or float interrupt for condensate under the UA 90H in an attic or condensate may damage the living space below The interrupt switch should be installed in series with the field wire that connects the blue 5 lead from the UA 90H to the blue 5 lead on the control panel If overflow occurs this switch opens the compressor control circuit and stops water production before the catch pan overflows The UA 90H will continue to ventilate or circulate air as normal but will not dehumidify until this switch closes The preferred method of installation is to create a separate return for the UA 90H in a central area of the structure Duct the supply of the UA 90H to the air supply of the existing HVAC system Connect an insulated duct from outside to the 6 collar of the UA 90H if you wish to provide fresh make up air Adjust a damper in the duct to provide the desired Heating amp A C Unit Fresh Air Intake Ultra Aire Supply Air Gravity Damper Indoor Air i Supply EN Indoor Air Return Ultra Aire Indoor Air Return Attic installation i Controller in space to be conditioned 4 4E Installation in a Structure with No Existing Forced Air HVAC System When installing the UA 90H in a structure tha
11. outlet The device draws 6 3 Amps under normal operating conditions If used in an area which may become wet a ground fault interrupter GFI protected circuit is recommended Please consult local electrical codes for any further information Therma Stor LLC offers a family of control devices for use with the UA 90H The controls are to be located remotely from the unit and located in the space to be conditioned The controls are low voltage 24 volt and should be connected to the UA 90H with low voltage wire thermostat or other appropriate Ultra Aire 90H Installer s amp Owner s Manual FOR HVAC INSTALLER ONLY IMPORTANT Do not install the control panel where it may not accurately sense the relative humidity such as near HVAC supply registers near exterior doors on an outside wall near a window or near a water source The installer must supply the wiring between the UA 90H and the control panel Be sure to safely route the control wiring to prevent damage during installation CAUTION Do not cross wires when connecting the UA 90H and the remote control panel or damage to the transformer may result The remote controls of the UA 90H are powered by a low voltage circuit 24VAC and must NEVER contact or be connected to a high voltage circuit The control wires leaving the UA 90H and the remote control panels are numbered and color coded to prevent confusion Some of the control wires leaving the UA 90H may not be
12. C RUN CAPACITOR BLS BLOWER SWITCH RC1 COMPRESSOR RELAY COIL CMP COMPRESSOR RC2 BLOWER RELAY COIL DM DAMPER MOTOR TIMER MOTOR DT DEFROST THERMOSTAT TS TIMER SWITCH HC HUMIDITV CONTROL XFMR TRANSFORMER R1 COMPRESSOR RELAY CONTACTS FIELD WIRING R2 BLOWER RELAY CONTACTS a WIRE NUT PART NO CONTROL PART NO 4024125 4026163 g UA 90H with Humiditv Fan Control 4024155 UA 90H with Ventilation Timer Humiditv Fan Control 4024125 19 Ultra Aire 90H Installer s amp Owner s Manual FOR HVAC INSTALLER ONLY 9 Optional Parts List UA 90H Indoor Air Quality System Item Part No Description 1 4024125 Control Panel Assembly Ventilation Timer amp Humidity Control 2 4024155 Control Panel Assembly Humidity Fan 3 4026570 DEH 3000 Digital Controller 4 4025287 Filter Box 5 4026151 14 x14 x1 Standard UA 90 H Filter 6 4024369 2 x20 x24 Filter not shown Use only with Filter Box 7 4024370 4 x20 x24 Filter not shown Use only with Filter Box 8 4026451 Condensate Pump Kit UA 90H not shown 9 4026450 Leveling Foot Kit UA 90H not shown 10 4020646 10 Backdraft Damper not shown 11 4023660 Controller Humidity 12 4023672 Duct Damper 6 Diameter Electrically Actuated not shown 13 4024153 Cover for Items 1 amp 2 not shown 14 4021495 Knob Black 25 shaft 15 4024150 Instructions Humidity Fan not shown 16 4024122 Instructions Ventilation
13. FIER STEP 1 LAY THE UNIT ON IT S SIDE MAKE SURE THE FILTER DOOR IS FACING UPWARD HOSE ADAPTOR CASTER LOCATION CASTER LOCATION STEP 2 NOTE THE LOCATIONS OF THE FOUR LEVELING FEET AND THE HOSE ADAPTOR PARTIALLY SCREW IN LEVELING FEET STEP 3 PARTIALLY SCREW IN THE LEVELING FEET AT THE FOUR LOCATIONS 25 Ultra Aire 90H Installer s amp Owner s Manual CONDENSATE PUMP INSTALLATION FOR HVAC INSTALLER ONLY HAND TIGHTEN HOSE STEP 4 HAND TIGHTEN THE HOSE ADAPTOR TO GET THE THREADS STARTED TURN CLOCKWISE STEP 5 USE AN ADJUSTABLE WRENCH TO FINISH TIGHTENING STEP 6 FULLY SEAT THE DRAIN ADAPTOR SO THAT NO LEAKS OCCUR 26 Ultra Aire 90H Installer s amp Owner s Manual CONDENSATE PUMP INSTALLATION FOR HVAC INSTALLER ONLY REMOVE MIDDLE SCREW WITH A PHILLIPS SCREW DRIVER STEP 7 TURN THE UNIT UPRIGHT ONTO THE LEVELING FEET AND REMOVE THE SCREW SHOWN KEEP THIS SCREW YOU WILL USE IT IN STEP 10 STEP 8 PREPARE THE CONDENSATE PUMP BRACKET ASSEMBLY d A A STEP 9 POSITION THE OBLONG SLOT IN THE BRACKET WITH THE MIDDLE SCREW HOLE 27 Ultra Aire 90H Installer s amp Owner s Manual CONDENSATE PUMP INSTALLATION FOR HVAC INSTALLER ONLY STEP 10 SECURE THE PUMP TO THE DEHUMIDIFIER WITH THE SCREW REMOVED IN STEP 7 STEP 11 REMOVE THE HOSE ELBOW ASSEMBLY FROM THE BAG AND INSTALL THE SHORT END ONTO THE ADAPTOR MAKE SURE THAT THE HOSE FULL
14. Filter Switch Turning ON the fan filter switch will cause the UA 90H fan to run continuously whether the UA 90H is dehumidifving or not This function is desirable if the unit is used for air circulation and filtration to achieve maximum indoor air quality When the switch is ON air will be constantly filtered through the UA 90H and circulated throughout the house When the switch is OFF the fan will operate only when the humidity control calls for dehumidification or when the ventilation timer calls for ventilation Figure 4 Fan Filter Switch Ultra Aire 90H Installer s amp Owner s Manual FOR HVAC INSTALLER AND HOMEOWNER 4 9 Ventilation Timer The ventilation timer controls the fan and the motorized fresh air damper When the ventilation timer is activated the UA 90H will circulate the indoor air and bring in fresh air from outside The ventilation timer should be set for the required ventilation of the residence The home should be ventilated with fresh air as suggested by applicable codes and standards or as required by the homeowner The ventilation timer is an electronic timer that displays the current time This timer has battery backup so it will not require resetting after a power outage Following a prolonged power outage the display of the timer will flash on and off indicating a power outage has occurred The one minute time increments of the ventilation timer allow you to program the ventilation of your home to fit
15. Filter non compliance invalidates the product warranty 7 2 High Efficiency Air Filter Most filters are labeled with a MERV rating number which measures a filter s ability to trap particles ranging in size from 3 0 microns to 10 0 microns Residential filters commonly have MERV ratings of 1 12 The higher the MERV rating the more efficient the filter is and the more particles it can filter The UA 90H comes with a standard MERV 11 filter A MERV rating of 11 means the filter is 85 to 95 minimum efficient at capturing the measured particles For greatest filtration and efficiency of the UA 90H it is recommended the air filter be replaced every three months with a MERV 11 rated filter 7 3 Optional Fresh Air Intake Check and clean the screen on the outdoor fresh air intake port seasonally The screen may become plugged during the seasons when there are many particles in the outdoor air 18 Ultra Aire 90H Installer s amp Owner s Manual ULTRA AIRE 90H WIRING DIAGRAM 8 Wiring Diagrams 115Vac 60Hz 1PH BLK WHT TAI BLOWER BLOWER SWITCH COMPRESSOR DEFROST THERMOSTAT HUMIDITY CONTROL COMPRESSOR RELAY CONTACTS BLOWER RELAY CONTACTS RC CAPACITOR RC1 COMPRESSOR RELAY COIL RC2 BLOWER RELAY COIL XFMR TRANSFORMER FIELD WIRING n WIRE NUT CONTROL PART NO 4024155 115Vac 60Hz 1PH udi BLK WHT BL BLOWER R
16. H Installer s amp Owner s Manual Thermea Stor uc PO Box 8680 e Madison WI 53708 Phone 608 222 5301 e Fax 608 222 1447 Web www thermastor com e Email sales thermastor com Information in this document is subject to change without notice No part of this document mav be reproduced or transmitted in anv form or bv anv means electronic or mechanical for anv purpose without the express written permission of Therma Stor LLC 2006 Therma Stor LLC All rights reserved Ultra Aire 90H Installer s amp Owner s Manual
17. INSTALLER S amp OWNER S MANUAL HVAC INSTALLER PLEASE LEAVE MANUAL FOR HOMEOWNER Riu e U Al re 90H P N 4025700 Serial No The Ultra Aire 90H dehumidifier performs multiple functions in Fresh Air Ventilation optional a compact enclosure high capacity dehumidification fresh air Fresh air may be ducted to the unit and regulated by a variety of ventilation and particulate filtration controls in order to provide desired ventilation rates Dehumidification Air Filtration The highly efficient UA 90H dehumidifier utilizes refrigeration to The UA 90H includes particulate filtration to improve the indoor cool the incoming air stream below its dew point This cooled air quality of your living working space MERV 11 media filter is and drier air is used to pre cool the incoming air stream resulting standard in increased overall efficiency After the pre cooling stage the processed air is reheated by passing through the condenser coil The heat removed by the evaporator coil is returned to the air stream resulting in an overall temperature increase from the incoming air Therma Stor uc P O Box 8680 Madison WI 53708 e TOLL FREE 1 800 533 7533 e www thermastor com e sales thermastor com 2007 Therma Stor LLC e Manual P N TS 325 8 07 TABLE OF CONTENTS P Features amp BeTBllls cierre rer terrent leet Safety Precautions s ssesemeeennnnzennnnazennazaznnna
18. O bo Vent schedule on time off time Program RUN mode 5 3l Temperature Cutout Programming Ultra Aire units produce heat when dehumidifying Depending on outside conditions the ventilation function may introduce warm air into the space Occasionally the operation of the Ultra Aire may produce enough heat to drive temperatures up The temperature cutout feature disables all Ultra Aire operations if temperatures reach cutout setpoint In most installations this feature will not need to be used If temperature cutout is desired program the setpoint by pressing the PROGRAM ENTER button Press RH until TEMP CUTOUT is flashing Use up or RH down to adjust setpoints 5 3J Default Settings Upon initial power up or after prolonged power outages more than 30 minutes the DEH 3000 is programmed with the following defaults A space is provided to make note of user inputs Setting Default My Setting RH setpoint 50 Ventilation Operation Closed Fan Setting Auto Temp Cutout 80 If you have questions about the DEH 3000 please call Therma Stor LLC at 1 800 533 7533 or email us at sales thermastor com Ultra Aire 90H Installer s amp Owner s Manual ATTENTION INSTALLER WIRE THE UNIT AND CONTROL PACKAGE AS SHOWN IN THE DIAGRAM BELOW Humidity Fan Control Panel Q se 1 Control Part No 4024155 Ventilation Timer Humidity Contro
19. O operate according to the following chart 11 Dehumidification Operation COM NO COM NC ON CLOSED OPEN OFF OPEN CLOSED Common uses assuming standard thermostat wiring color schemes as noted Disengage A C during dehumidification Redirect the yellow thermostat wire to the NC terminal Wire the yellow wire from the A C to the COM B terminal Engage A C during dehumidification Connect a wire from the terminal on the the thermostat to the terminal on the DEH 3000 Connect a wire from the terminal on the DEH 3000 to the Y1 terminal on the thermostat 5 2D Dehumidifier lockout activation AC sensor The control has the ability to activate the dehumidifier or deactivate the dehumidifier when the air conditioner is running 24 VAC Yellow wire from dehumidifier Standard wire colors for thermostats are as follows Description Color Terminal code 2AVAC Return Red R Call for Heat White W or W1 Force Fan On Green G Compressor Call for Cooling Yellow Y or Y1 Ultra Aire 90H Installer s amp Owner s Manual FOR HVAC INSTALLER ONLY DEHUMIDIFIER DEACTIVATES WHEN THE AIR CONDITIONER IS RUNNING e The common wire on the thermostat transformer black needs to be wired with the yellow wire from the dehumidifier e The Red wire on the thermostat needs to be wired with the Yellow wire from the dehumidifier e The Yellow wire from the thermostat must
20. Panel WITHOUT Fresh Air Ventilation or Damper The humiditv fan control panel automatically controls the humidity of the living space The humidity fan control panel contains an adjustable humidity control and a fan switch The panel has a cover that must remain open to the air within the living space for accurate humidity sensing When the fan switch is in the position air will be continually filtered and circulated throughout the home For humidity control operation refer to section 4 7 4 6B Humidity Fan Control Panel WITH Fresh Air Ventilation and WITHOUT Damper The humiditv fan control panel automatically controls the humidity of the living space The humidity fan control panel contains an adjustable humidity control and a fan switch The panel has a cover that must remain open to the air within the living space for accurate humidity sensing Outside air is continually introduced whenever fan is ON Manual operation of fan filter switch controls outside air ventilation Since the fan operates whenever the UA 90H is dehumidifying outside air will also be introduced For humidity control operation refer to section 4 7 4 66 Humidity Fan Control Panel WITH Fresh Air Ventilation AND Damper In this configuration a motorized damper has been installed in the fresh air duct When the fan filter switch is in the OFF position the damper is closed The UA 90H will then circulate and dehumidify air to provide humidity control
21. Y COVERS THE ADAPTOR BARBS STEP 12 INSERT THE OTHER END OF THE HOSE ELBOW ASSEMBLY INTO THE OPEN HOLE OF THE CONDENSATE PUMP 28 Ultra Aire 90H Installer s amp Owner s Manual CONDENSATE PUMP INSTALLATION FOR HVAC INSTALLER ONLY STEP 13 THE 20 DRAIN HOSE TO THE CONDENSATE PUMP AND ROUTE IT TO A FLOOR DRAIN CENTER BUBBLE IN CLEAR AREA OF THE LEVEL VIAL H 4 f gs EVELING FEET MOVE THE STEP 14 ADJUST THE HEIGHT OF THE LEVEL BUBBLE INTO THE CLEAR AREA OF THE WINDOW STEP 15 PLUG IN THE CONDENSATE PUMP AND THE ASSEMBLY IS COMPLETED 29 Ultra Aire 90H Installer s amp Owner s Manual ULTRA AIRE 90 Dehumidifier Limited Warrantv WARRANTOR Therma Stor LLC PO Box 8680 Madison WI 53708 Telephone 1 800 533 7533 WARRANTY This warranty covers the Ultra Aire 90H and extends only to the original residential end user of the Ultra Aire dehumidifier and may not be assigned or transferred Year s One through Two 100 parts and labor all components Therma Stor LLC warrants that for two 2 years the Ultra Aire 90H dehumidifier will operate free from any defects in materials and workmanship or Therma Stor LLC will at its option repair or replace the defective part s free of any charge This excludes charges incurred installing and removing the Ultra Aire 90H for repair Year s Three through Five Therma Stor LLC further warrants for a perio
22. aced 11 6 Condensate Pump Kit An optional condensate pump kit is available from the factory for use with the UA 90H 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 float switch The white leads from this switch extend from beneath the pump cover This switch should be installed in series with the field wire that connects the blue 5 lead from the UA 90H to the blue 5 lead on the control panel If the pump fails this switch opens the compressor control circuit and stops water production before the reservoir overflows The UA 90H will continue to ventilate or circulate air as normal but will not dehumidify until this switch closes See following pages for more information Ultra Aire 90H Installer s amp Owner s Manual CONDENSATE PUMP INSTALLATION FOR HVAC INSTALLER ONLY ULTRA AIRE 90H CONDENSATE PUMP INSTALLATION INSTRUCTIONS THIS CONDENSATE PUMP KIT MUST BE INSTALLED WITH LEVELING FEET DO NOT USE CASTERS 20 DRAIN HOSE CONDENSATE __ 4 LEVELING PUMP AND SS 27 FEET BRACKET THESE WILL BE SHIPPED AN 1 DRAIN ASSEMBLED ADAPTOR INSTRUCTIONS AND HOSE ELBOW ASSV Ste gt ma PK Fe THE ULTRA AIRE 90H DEHUMIDIFIER 24 Ultra Aire 90H Installer s amp Owner s Manual CONDENSATE PUMP INSTALLATION FOR HVAC INSTALLER ONLY BOTTOM OF DEHUMIDI
23. akes care of these two functions automatically so that whenever the damper is open ON the fan is running 14 Ultra Aire 90H Installer s amp Owner s Manual FOR HVAC INSTALLER ONLY AND HOMEOWNER The ventilation indicator will be displayed whenever the unit is ventilating The fan operation indicator will also be lit There are three damper operation modes OPEN HOLD CLOSED HOLD and PROGRAM denoted by ON TIME OFF TIME Refer to section 3 8 With the damper in the OPEN HOLD 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 CLOSED HOLD 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 Section 3 8 To set the damper operation 1 Press the WENT button The current setting will begin to flash on the display Release the button 2 Press the WENT button again to toggle between OPEN CLOSED and PROGRAM 3 Leave the control alone for 10 seconds to select the indicated damper mode and return to HOME 5 00AM MONDAY 39 IJ SETPOINT 51 UENT OPEN oFAN AUTO HOLD 5 00AM MONDAY
24. amper optional Figure 2 Basement or crawlspace installation Basement Installation Install a separate 10 return for the UA 90H in a central area of the structure Optional Duct the supply of the Ultra Aire to a 10 x 10 x 10 tee damper adjusted to 20 open to the basement Duct the other side of the tee to the air supply of the existing HVAC system with a backdraft damper Connect a duct from outside to the 6 collar of the Ultra Aire if you wish to provide ventilation air See Figure 2 Ultra Aire 90H Installer s amp Owner s Manual FOR HVAC INSTALLER ONLY Crawlspace Installation Install a separate return for the UA 90H in a central area of the structure Optional Duct the supply of the UA 90H to a 10 x 10 x 10 tee damper that is 20 open to the crawlspace if desired Duct the other side of the tee to the air supply of the existing HVAC system with a backdraft damper Connect an insulated duct from outside to the 6 collar of the UA 90H if you wish to provide optional ventilation air Instead of installing a separate return to the UA 90H and if the existing system has multiple returns it is possible to select one to disconnect from the existing forced air system and use it for the dedicated Ultra Aire return Always select a return from a central location in the structure in an area that is always open to the rest of the structure Do not use a return from a room that may have its door closed much of the time
25. ation 1 Press and hold the button The current fan setting will begin to flash Release the button 2 Press the FAN button to toggle between the ON and AUTO modes 3 00AM MONDAY 39 l9 SETPOINT 51 DENT OPEN o FRN RUTO HOLD FAN TTD Auto or On An indicator indicates the fan is operating A flashing indicator indicates the fan is in a wait mode and will operate shortly No indicates the fan is off With the fan in the AUTO 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 and ventilation and the fan icon will be lit To completely turn the system off use the ON OFF button as described earlier To adjust the ventilation mode see Section 3 7 5 3G Damper Operation and Setting Ventilation Manual Hold Mode Ultra Aire units can be installed to incorporate optional ventilation The damper setting controls the ventilation function of the system It has no control over the dehumidification function although the ventilation function can and should be used to dry the space depending on the climate and the outside air conditions Refer to the appropriate Ultra Aire manual for more information In order to provide ventilation the damper must be open ON and the fan must be running The controller t
26. ator will be shown To set the relative humidity setpoint press up or down RH buttons to adjust the relative humidity setpoint as desired Therma Stor recommends relative humidity levels not exceed 50 in the summer and 25 35 in the winter if you live in a cold climate It is not recommended that the humidity setpoint be set below 35 In order to dry the home in the winter in a cold climate use the ventilation function of the system rather than the dehumidifier function Call the factory or refer to the owner s manual for more information 5 3F Fan Setting and Operation Use the FAN button to adjust the fan operation There are 2 choices for fan operation ON or AUTO ON indicates the fan of the Ultra Aire will run continuously This does not affect either the dehumidification or ventilation functions of the system In other words the system may or may not be ventilating or dehumidifying while the fan is running Common reasons for operating the fan continuously are filtration and air recirculation AUTO indicates the fan will run when the control calls for dehumidification or ventilation If the control has not called for dehumidification for 3 hours the control will automatically run the fan for 10 minutes The fan must run a specific amount of time per day This helps to keep the dehumidifier dry After dehumidification cycle fan automatically shuts off for 10 minutes To set the oper
27. be wired to the AC off sensor terminal YELLOW AIR CONDITIONER TRANSFORMER DEHUMIDIFIER ACTIVATES WHEN THE AIR CONDITIONER IS RUNNING e The common wire the thermostat transformer black needs to be wired with the yellow wire from the dehumidifier e The Red wire on the thermostat needs to be wired with the Yellow wire from the dehumidifier e The Yellow wire from the thermostat must be wired to the AC on sensor terminal YELLOW AIR CONDITIONER TRANSFORMER 5 2E Location Install the remote control panel in a central area of the structure where it will sense the relative humidity of the structure accurately Do not install the control panel where it may not accurately sense the relative humidity such as near HVAC supply registers near exterior doors and windows or near a pool or spa 5 2F Testing After wiring connections have been made verify connections First make sure the white wire from the base unit is not wired directly to the DEH 3000 control There must be a motorized damper in series with these connections or the white wire must not be connected to the control Mis wiring may result in transformer damage After connections have been verified this short test will confirm proper wiring 1 Install front cover of control insert at top first then bottom 2 Plug in Ultra Aire base unit The control should power up 3 Turn control on by pressing the ON OFF button 4 Engage de
28. d of five 5 years the condenser evaporator and compressor of the Ultra Aire 90H dehumidifier will operate free of any defects in material or workmanship or Therma Stor LLC at its option will repair or replace the defective part s This excludes charges incurred installing and removing Ultra Aire 90H for repair USER RESPONSIBILITIES Warranty service must be performed by a servicer authorized by Therma Stor LLC To obtain warranty service you must obtain a return material authorization RMA To obtain an RMA you must present proof of purchase or lease by use of a warranty card original sales receipt or other reasonable and reliable means To obtain an RMA call Therma Stor LLC at the above number and ask for the Therma Stor LLC Service Department which will then issue an RMA and arrange for at our option either repair or replacement FREIGHT Freight to and from the servicer is the responsibility of the end user The end user is responsible for normal care and proper return packaging LIMITATIONS AND EXCLUSIONS This warranty 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 This excludes charges incurred installing and removing Ultra Aire 90H for repair If any Ultra Aire 90H part is repair
29. e used to supply air to the home 2 Registrations The UA 90H conforms to UL STD 474 and CSA Standard C22 2 No 92 3 Specifications Model Ultra Aire 90H Electrical 110 120 VAC 6 3 Amps 60 Hz grounded Capacity 90 pints day 80 F 60 RH Operating Temp 56 F min 100 F max Air Flow 200 CFM without external ducting Refrigerant Charge 1 Ib 12 oz R22 Duct Connections Round 10 inlet 10 outlet 6 ventilation inlet Filter Size Pleated cloth 14 X 14 X 1 Unit Size w o duct collars 34 L x 15 4 W x 207 5 H Unit Weight 92 Ibs Shipping Weight 99 Ibs 4 Installation 4 1 Installation Checklist IMPORTANT Prior to installation of the UA 90H the following checklist should be reviewed The UA 90H can be installed in a variety of locations to meet the owner s needs and integrate with existing forced air systems or existing ductwork if desired The location choice is contingent on a variety of requirements not limited to ease of service controls access drainage filtration power fresh air ventilation water damage prevention and current regulatory codes ASHRAE fire etc Please address all of these issues before you select the device s location E 4 1A Power Accessibility Unit should be located in an area where the cord s length 10 should easily reach a 115 VAC electrical outlet with a minimum of a 15 circuit capacity E 4 1B Space Location should have enough clearance to handle t
30. eads from this switch extend from beneath the pump cover This switch should be installed in series with the field wire that connects the blue 5 lead from the UA 90H to the the control panel If the pump fails this switch opens the compressor control circuit and stops water production before the reservoir overflows The UA 90H will continue to ventilate or circulate air as normal but will not dehumidify until this switch closes 4 4 Ducting IMPORTANT Attention For ventilation only Remove label and 6 round insulation from the duct prior to installing ducting for outside ventilation For all other applications leave in place 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 discharge the supply of the UA 90H into the supply of the existing heating system Installation of a separate supply duct to the UA 90H from a central area is recommended 4 4A Fresh Air Supply Air IMPORTANT DO NOT draw air directly from the kitchen laundry or isolated basement You may draw air from a basement that is open to the home All flexible ducting connected to the UA 90H should be UL listed A short piece of flexible ducting on all UA 90H duct connections is recommended to reduce
31. ected and operation verified according to the following matrix Wire connections Operation Yellow amp Blue Fan amp Compressor Yellow amp Green Fan Only Do not test any other connections or transformer damage may result Refer to the appropriate Ultra Aire base unit manual for additional information Ultra Aire 90H Installer s amp Owner s Manual FOR HVAC INSTALLER AND HOMEOWNER 8 Verify additional optional control operations such as fan interlock or lockout 9 Proceed to operation setting section FOR INSTALLER amp HOMEOWNER 5 3 Operation 5 3A Display e When there is power to the control the control display will show the time day humidity and temperature e When the control is turned on the setpoint fan status auto hold mode and fresh air vent status is displayed 7 42PM MONDAY 30 7 JI SETPOINT 49 o DENT 15 05 o FAN RUTO RUN e When key is pressed the display will light The TIME and DAY is displayed at the top of the screen e RH and Temperature are displayed in real time An before the set point vent or fan indicates the unit is operating the device e A flashing before the set point vent or fan indicates the unit is in a delay prior to operating the device Note Delay is an intentional factory installed time delay cycle that is meant to prevent short cycles extending the life of the Ultra Aire If a delay is encountered WAIT 10
32. ed or replaced the new part shall be warranted for the balance of original warranty but all warranty periods will be extended by the period of time if any that the Ultra Aire 90H is out of service while awaiting covered warranty service Warranty service will be performed during normal working hours UPON THE EXPIRATION OF THE WRITTEN WARRANTY APPLICABLE TO THE ULTRA AIRE DEHUMIDIFIER OR ANY PART THEREOF ALL OTHER WARRANTIES IMPLIED BY LAW INCLUDING MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE SHALL ALSO EXPIRE ALL WARRANTIES MADE BY THERMA STOR LLC ARE SET FORTH HEREIN AND NO CLAIM MAY BE MADE AGAINST THERMA STOR LLC BASED ON ANY ORAL WARRANTY IN NO EVENT SHALL THERMA STOR LLC IN CONNECTION WITH THE SALE INSTALLATION USE REPAIR OR REPLACEMENT OF ANY ULTRA AIRE DEHUMIDIFIER OR PART THEREOF BE LIABLE UNDER ANY LEGAL THEORY FOR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES INCLUDING WITHOUT LIMITATION WATER DAMAGE THE END USER SHOULD TAKE PRECAUTIONS AGAINST SAME LOST PROFITS DELAY OR LOSS OF USE OR DAMAGE TO ANY REAL OR PERSONAL PROPERTY Some states do not allow limitations on how long an implied warranty lasts and some do not allow the exclusion or limitation of incidental or consequential damages so one or both of these limitation may not apply to you LEGAL RIGHTS This warranty gives you specific legal rights and you may also have other rights which vary from state to state 30 Ultra Aire 90
33. el by depressing the middle sections of the top and bottom of the front panel 2 Line the back panel up against the wall or flat surface onto which it is to be mounted and drill in the appropriate mounting holes 3 Insert the screws and tighten down so they extend approximately 1 8 from the back plate 4 Align the back panel so that the control is level 5 Tighten the screws to lock into position 6 Make the electrical connections to the terminals on the back panel as shown in the wiring diagram 7 Reassemble the front to the back panel Connect at the top first then at the bottom 8 Test connections see Section 2 6 Mounting Holes Mounting Holes 24 VAC Yellow Wire 24 VAC Red Wire Normally Optional Use Normally Closed Dehumidistat Blue Wire Damper White Wire Optional See warning below Green Wire 5 2B Wiring WARNING po NOT ALLOW THE YELLOW LEAD FROM THE ULTRA AIRE TO CONTACT THE RED OR WHITE LEADS FROM THE ULTRA AIRE OR DAMAGE TO THE TRANSFORMER WILL RESULT WARNING UNPLUG ULTRA AIRE BASE UNIT BEFORE WIRING CONTROL The installer must supply the wiring between the Ultra Aire and the control panel Be sure to safely route the control wires to prevent damage during installation Be careful not to cross the wires when connecting the Ultra Aire and the remote control panel or damage to the transformer may result The remote control of the Ultra Aire is powered by a low v
34. er left of the timer is used to choose between automatic and manual operation When the slide switch is set to AUTO mode the UA 90H will ventilate when the scheduled programs call for ventilation When the slide switch is set to manual set to hand symbol on the right the operation of the timer is controlled by the I O button only Pressing the I O button will switch the ventilation timer between ON detent and OFF detent As you press the I O button ON or OFF will be displayed to the right of the time The or OFF indicates if the ventilation timer is on or off The I O button will manually override scheduled programs if the timer is in AUTO mode Ultra Aire 90H Installer s amp Owner s Manual FOR HVAC INSTALLER ONLY 5 DEH 3000 Digital Control Installation Instructions CID Control Part 4026570 5 1 Specifications Part P N 4026570 Model DEH 3000 Digital Control Electrical 24 VAC Humiditv 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 FOR HVAC INSTALLER ONLY 5 2 Installation This control panel must be installed in the conditioned space and in accordance with all applicable codes and standards Follow the instructions below when installing and setting this control 5 2A Install Instructions 1 Separate the front panel from the back pan
35. gerant enter the accumulator after leaving the evaporator coil The accumulator prevents any liquid refrigerant from reaching the compressor The compressor evacuates the cool refrigerant gas from the accumulator and compresses it to a high pressure and temperature 11 2 Troubleshooting No dehumidification neither fan nor compressor run with fan switch and ventilation timer OFF 1 Unit unplugged or no power to outlet 2 Humidity control set too high or defective 3 Loose connection in internal or control wiring 4 Defective Compressor relay 5 Defective control transformer 6 Optional Condensate Pump Safety Switch open No dehumidification compressor does not run but fan runs with fan switch and ventilation timer OFF and humidity control turned to ON 1 Defective compressor run capacitor 2 Bad connection in compressor circuit 3 Defective compressor overload 4 Defective compressor 5 Defrost thermostat open 6 Optional Condensate Pump Safety Switch open Fan runs with fan switch and ventilation timer OFF but compressor cycles on and off 1 Low ambient temperature and or humidity causing unit to cycle through defrost mode 2 Defective compressor overload 3 Defective compressor 4 Defrost thermostat defective 5 Dirty air filter s or airflow restricted 6 Low refrigerant charge causing defrost control to cycle 7 Bad connection in compressor circuit Fan does not run with fan switch in either positi
36. hat the unit introduces outside air The amount of outside air can be restricted by the blade damper in the 6 collar Some control options require a 6 motorized damper be installed in the 6 fresh air duct IMPORTANT Contact the factory when connecting to a static pressure of greater than or equal to 5 WG 4 4B Ducting for Fresh Air Option Fresh air may be brought into the structure by connecting an insulated duct from outside the structure to the 6 inlet of the UA 90H Advantages of this form of ventilation include 1 Outside air is filtered before entering the building 2 Outside air will be dehumidified before entering if the UA 90H is running in dehumidification mode 3 Drawing air from outside and blowing inside aids in slightly pressurizing the structure This helps prevent dirty and humid air from entering elsewhere It also reduces the potential for carcinogenic radon gas to enter and provides a small amount of make up air for open combustion and exhaust devices like the clothes drier fireplace and water heater 4 Exhaust fans are recommended in the bath rooms and kitchen In cold climates or areas where the outdoor dew point is low at times ventilation can be used to dehumidify the structure making the UA 90H capable of year round drying This is accomplished by bringing the dry low dew point air into the structure during these times This approach is often more economical than running the dehumidifie
37. he unit s overall dimensions as well as the necessary return supply ductwork to the unit Bi 4 1C Low Voltage Wiring Unit location should be in an area where field wiring the remote controls low voltage to the unit will be possible E 4 1D Back Draft Damper It is recommended that a back draft damper be used in the discharge duct of the UA 90H especially when connecting to the supply ducting system The backdraft damper prevents supply air from counter flowing through the UA 90H when it is not operating The unit location should be chosen to allow installation of this accessory if requested by the end user B 4 1E Support Structure and Suspension Place the UA 90H on supports to raise the base of the unit Do not place the UA 90H directly on structural building members without vibration absorbers or unwanted noise may result The UA 90H may be suspended with steel hanger straps plumbers tape or a suitable alternative from structural members as long as the suspending assembly supports the UA 90H s base in its entirety Do not hang the UA 90H from the cabinet 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 4 2 Electrical Requirements A WARNING WARNING DO NOT ALLOW THE YELLOW LEAD FROM THE ULTRA AIRE TO CONTACT THE RED LEAD FROM THE ULTRA AIRE OR DAMAGE TO THE TRANSFORMER WILL RESULT The UA 90H plugs into a common grounded 115VAC
38. humidification operation by adjusting RH setpoint below ambient conditions a Press RH until RH setpoint is 20 b Verify Ultra Aire fan and compressor operation c Verify ventilation damper if used is closed 5 Verify fan only operation by disengaging dehumidification and operating fan a Adjust RH setpoint above ambient conditions by pressing and holding RH until set point is 80 b Press fan button then press again to toggle fan to ON setting c Release fan button then press again to toggle fan to ON setting until FAN flashes on display d Verify fan operation of Ultra Aire No compressor operation should be noted and ventilation damper if used should be closed 6 Verify ventilation damper operation if installed by disengaging from operation and engaging ventilating operation a Press and hold fan button until FAN flashes on display b Release FAN button then press again to toggle fan operation off c Press and hold WENT button until WENT flashes on display d Release WENT button then press again until OPEN is displayed e Verify Ultra Aire fan operation and ventilation damper is open with no compressor operation 7 lf any functions are not working properly verify wiring and connections Meters may be used across terminals to verify voltage If there is a concern about the base unit not operating properly the leads exiting the base unit may be conn
39. il LT 30 Ultra Aire 90H Installer s amp Owner s Manual SAFETV PREGAUTIONS 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 90H indoor air quality system READ AND SAVE THESE INSTRUCTIONS e The device is designed to be installed INDOORS IN A SPACE THAT IS PROTECTED FROM RAIN AND FLOODING e Install the unit with space to access the front panel for maintenance and service DO NOT INSTALL UNIT WITH THE FRONT PANEL INACCESSIBLE e Avoid directing the discharge air at people or over the water in pool areas e f 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 GFCI GROUND FAULT CIRCUIT INTERRUPT OUTLET e DO NOT use the device as a bench or table e DO NOT place the device directly on structural members e A drain pan MUST be placed under the unit if installed above a living area or above an area where water leakage could cause damage 3 Ultra Aire 90H Installer s amp Owner s Manual FOR HVAC INSTALLER ONLY 1 Intended Application for Ultra Aire 90H For the ideal installation draw air from the central part of the home and return it to isolated areas of the home like the bedrooms den utility room or family room The ductwork of the existing heating system can b
40. ir noise from the fan A length of flexible ducting on all UA 90H duct connections is recommended to reduce noise transmitted to rigid ductwork in the structure 4 6 Controls All control panels should be mounted in a central area of the structure where it can accurately sense the humidity of the air in the living space and be accessed All controls require field wiring from the unit location to the panel mount location Figure 2 Ventilation Timer and Humidity Control Panel Part No 4024125 Figure 1 Humidity Fan Control Panel Part No 4024155 Ultra Aire 90H Installer s amp Owner s Manual FOR HVAC INSTALLER AND HOMEOWNER To determine how each control operates the UA 90H it must first be determined which control is being used and whether or not the 90H is ducted for fresh air ventilation Refer to appropriate section Humidity Fan Control Panel P N 4024155 Figure 1 p 7 4 6A Humidity Fan Control Panel WITHOUT Fresh Air Ventilation or Damper 4 6B Humidity Fan Control Panel WITH Fresh Air Ventilation and WITHOUT Damper 4 6C Humidity Fan Control Panel WITH Fresh Air Ventilation AND Damper Ventilation Timer Humidity Control Panel P N 4024125 Figure 2 p 7 4 6D Ventilation Timer and Humidity Control WITH Fresh Air AND Motorized Damper DEH 2000 Digital Control P N 4024539 Figure 1 p 10 4 6E Digital Controller WITH Fresh Air AND Damper 4 6F Digital Controller WITHOUT Fresh Air 4 6A Humidity Fan Control
41. l Panel Control Part No 4024125 DEH 3000 Digital Control EEREREE d IT optional DAMPER e Moy Red Humidity Control Blower Switch Do not connect these leads directiv together or damage to the transformer will result Humiditv Control EM Control Part No 4026570 Blue UA Base Unit Green DMP COMP FAN Dehumidifier Optional Damper Dehumidifier 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 17 Ultra Aire 90H Installer s amp Owner s Manual FOR HVAC INSTALLER AND HOMEOWNER 7 Maintenance 7 1 Standard Air Filter The UA 90H is equipped with a MERV 11 media filter This filter should be checked every three months Operating the unit with a dirty filter will reduce dehumidifier capacity and efficiency and may cause the compressor to cycle off and on unnecessarily on the defrost control DO NOT operate the unit without the standard filter or with a less effective filter than the standard filter The heat exchange coils inside the unit could become clogged and require disassembly to clean
42. oltage circuit 24 VAC and must NEVER contact or be connected to a high voltage circuit Some of the control wires leaving the Ultra Aire may not be used with certain control panels and should be left safely disconnected with wire nuts taped onto the stripped ends Be sure to consult the electrical schematic in this manual or on the front panel of the Ultra Aire before making the control connections 10 Ultra Aire 90H Installer s amp Owner s Manual FOR HVAC INSTALLER ONLY UA Base Unit optional Reg Blue Green DEH 3000 Wiring Diagram DMP COMP FAN WARNING ro avoip TRANSFORMER DAMAGE ONLY CONNECT WHITE WIRE TO CONTROL IF DAMPER IS USED The white wire controls the optional motorized damper that can be installed into a fresh air duct This provides the ability to control when fresh air is introduced into the building by using the ventilation timer function labeled DMP on the control See Section 3 7 If the motorized damper is not used DO NOT CONNECT THE WHITE WIRE TO THE CONTROL OR DAMAGE TO THE TRANSFORMER MAY RESULT Simply leave the DMP terminal unused if the damper is not used and cap off the white lead fro mthe Ultra Aire base unit 5 26 Auxiliary relay operation At times it may be desirable to coordinate fan operation of the central heating cooling system with dehumidifier operation The DEH 3000 features a relay that provides this ability The relay terminals labeled NC COM and N
43. on Fan does not run with ventilation timer activated Compressor runs briefly but cycles on amp off with humidity control turned to ON 1 Loose connection in fan circuit 2 Obstruction prevents fan rotation 3 Defective fan 4 Defective fan relay 5 Defective fan capacitor Fan runs with fan switch ON Fan does not run with ventilation timer activated 1 Defective ventilation timer 2 Time not correct on ventilation timer 3 Ventilation timer set to manual and switched OFF 4 Defective fan switch Evaporator coil frosted continuously low dehumidifying capacity 1 Defrost thermostat loose or defective 2 Low refrigerant charge 3 Dirty air filter s or airflow restricted 4 Excessively restrictive ducting connected to unit 22 Ultra Aire 90H Installer s amp Owner s Manual FOR HVAC INSTALLER ONLY Unit not providing ventilation Ventilation timer not operating correctly 1 If timer is not functioning correctly reset timer and reprogram 2 Check control wire connections check connections at fresh air damper also 3 Defective fresh air damper 4 Defective fan switch Unit removes some water but not as much as expected 1 Air temperature and or humidity have dropped 2 Humidity meter and or thermometer used are out of calibration 3 Unit has entered defrost cycle A Air filter dirty 5 Defective defrost thermostat 6 Low refrigerant charge 7 Air leak such as loose cover or
44. quipped with a two terminal external overload and a run capacitor but no start capacitor or relay CAUTION CAUTION ELECTRICAL SHOCK HAZARD Electrical power must be present to perform some tests These tests should be performed by a qualified service person 11 5 Electric Ventilation Damper The electric ventilation damper is controlled by the ventilation timer The damper will open when the ventilation timer is activated to allow fresh air into the structure through the 6 diameter fresh air inlet duct The electric ventilation damper will remain closed when the ventilation timer is not activated to prevent over ventilating the structure when the unit is dehumidifying or recirculating the indoor air The electric ventilation timer operates on 24 Vac from the control circuit DO NOT connect high voltage to the damper motor or damage to the motor may result DO NOT force the blade of the damper by hand or damage to the damper motor may result The damper opens in one direction only The damper rotates very slowly allow sufficient time for the damper to cycle The damper will take approximately one minute to cycle from closed to open or from open to closed If the electric ventilation damper fails to operate 1 Check that the wiring is correct and that voltage is present at the damper motor 2 Check for any obstruction inside the damper If the electric ventilation damper fails to operate after performing these checks it must be repl
45. r to remove excess moisture from the structure In cold climates it is critical to adequately ventilate to reduce the inside moisture content to avoid moisture accumulating in the wall cavities For example in a house that experiences condensation on the interior surface of the windows during the winter increasing the amount of ventilation will often cure the problem An insulated 6 diameter duct is generally sufficient to provide up to 75 CFM of outside air Large quantities of outside air will impact UA 90H performance positively or negatively depending upon the inside and outside air conditions The outside air duct should be connected to the 6 round collar on the front of the unit The amount of outside air can be restricted by the blade damper in the 6 collar These controls determine the time frequency that the unit introduces outside air The amount frequency of ventilation should be based on the size and occupancy of the residence If you are unsure of your ventilation air requirements or have need for higher air flows consult the factory by calling 1 800 533 7533 for assistance 4 4 Installation in a Basement or Crawlspace with an Existing Forced Air HVAC System Ultra Aire Indoor Controller in space to be Heating AC Return Air Air Return gt conditioned Heating AC Pus Supply with Backdraft Ultra Aire Damper Supply Air Dry Air to B t Fresh Air Motorized Crawl Space Inlet Hood D
46. t does not have a forced air HVAC system a single return for the UA 90H should be installed in central open area of the structure DO NOT locate the return in a bathroom or a kitchen The supplies of the UA 90H should be located in the remote areas of the structure such as bedrooms den etc By ducting this way the air inside the structure will circulate through the UA 90H to be filtered and dehumidified 6 diameter duct is recommended for branches to the bedrooms 8 diameter duct is recommended for branches to larger areas Connect an insulated duct from outside to the 6 collar of the UA 90H if you wish to provide ventilation See Figure 4 Fresh Air Intake optional Ultra Aire Supply Air AM Ultr ire gt IR Ultra Aire Indoor Air Return 4 4F Ducting for High Efficiency Filtration The standard filter included with the UA 90H is a very effective MERV 11 media filter Additional filtering options including charcoal filtration and 9596 efficient filtration are available with an optional external filter housing that may be installed with the UA 90H The filter box is ducted to the intake of the UA 90H and the intake ducting is then connected to the intake side of the filter box See the optional accessories list or call the factory for details Install with no forced air HVAC system 4 5 Noise Abatement A length of 10 feet or more of acoustical flex ducting on the outlet of the UA 90H will reduce a
47. tion Schedule Slide the switch in the upper right hand corner to the program symbol P ON will appear to the right of the time and the number 1 will appear in the lower right hand corner of the display The 1 and signify the turn on time for the first program Press the 1 7 h and m button to choose the days of the week for this program You can choose Mon Sun Mon Fri Sat Sun or any single day of the week The days chosen are shown along the top of the display on the ventilation timer Next press the h button to set the hour for the start of the ventilation period Remember this timer operates on a 24 hour clock military time Then press the m button to set the minutes past the hour to start the ventilation Now with the ventilation start time set press the I O button The word OFF should appear to the right of the time and 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 corner of the timer to RUN The slide switch must be set to RUN for the timer to operate its scheduled programs 4 96 Automatic or Manual Mode The slide switch in the upp
48. used with certain control panels and should be left unconnected with wire nuts taped onto the stripped ends for safety Be sure to consult the electrical schematic in this manual or inside the access panel of the UA 90H before making control connections 4 3 Gondensate Water Removal IMPORTANT Atrap in the drain line is preferred but not required for the unit to drain properly Local codes may require a trap Use care to keep the pipe assembly as flat to the floor as possible Kinks and or humps will prevent proper drainage The UA 90H generates condensate Install a 3 4 male nominal pipe thread adapter to the drain pan It is necessary to assemble your own drain pipe assembly utilizing 3 4 PVC pipe to get the condensate to a floor or other drain Pipe is commonly available in 10 lengths from building supply plumbing or hardware stores Grade of pitch should be 1 per 10 4 3A Lifting Condensate An optional condensate pump kit may be installed if a lift is required to dispose of the condensate The condensate pump can be ordered direct from the factory See the optional parts list in Section 8 for information on the kit 4 3B Condensate Pump Kit An optional condensate pump kit is available from the factory for use with the UA 90H 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 float switch The white l
49. wner s Manual FOR HVAC INSTALLER ONLY 11 Service CAUTION CAUTION Servicing the UA 90H with its high pressure refrigerant system and high voltage circuitry presents a health hazard which could result in death serious bodily injury and or property damage Call your HVAC contractor 11 1 Technical Description The UA 90H uses a refrigeration system similar to an air conditioner s to remove heat and moisture from incoming air and add heat to the air that is discharged Hot high pressure refrigerant gas is routed from the compressor to the condenser coil See Figure 1 The refrigerant is cooled and condensed by giving up its heat to the air that is about to be discharged from the unit The refrigerant liquid then passes through a strainer and capillary tubing which causes the refrigerant pressure and temperature to drop It next enters the evaporator coil where it absorbs heat from the incoming air and evaporates The evaporator operates in a flooded condition which means that all the evaporator tubes contain liquid refrigerant during normal operation A flooded evaporator should maintain nearly constant pressure and temperature across the entire coil from inlet to outlet STRAINER FILTER DRIER ene V COMPRESSOR CAPILLARY TUBES SSIES NY S EVAPORATOR ACCUMULATOR Refrigeration System of UA 90H The mixture of gas and liquid refri
50. y will automatically return to home 5 3E Setting Relative Humidity Setpoint The relative humidity setpoint the average RH that is maintained 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 Ultra Aire 90H Installer s amp Owner s Manual FOR HVAC INSTALLER ONLY AND HOMEOWNER Operation The initial dead band setting the range that the dehumidifier cycles on and off is 3 With a setpoint of 50 the dumidifier turns on when the reading reaches 53 The dehumidifier continues to remove water from the air until the reading is 47 The dehumidifier remains off until the reading is 53 AMBIENT RH 12 02AM MONDAY 4 j 14 SETPOINT 50 o DENT OPEN o FAN RUTO HOLD CURRENT SETPOINT If the setpoint is equal to or greater than the current ambient condition the space does not need to be dried so the dehumidifier function will be off Example Setpoint 50 RH Current condition 45 RH Dehumidifier off the indicator will not be shown If the setpoint is less than the ambient condition the dehumidifier will be on and the red indicator will be lit Since the space is more humid than the set point the controller operates the dehumidifier to dry the space Example Setpoint 50 RH Current condition 55 RH Dehumidifier on the indic
51. your schedule Humidity Fan Control Panel Part No 4024155 Ventilation Timer amp Humidity Control Panel Part No 4024125 The ventilation timer allows six programs with each program having one ON and one OFF event A program allows the user to turn the ventilation on at a certain day and time then it allows them to turn the ventilation off at a certain day and time Each of these programs can be repeated daily or weekly or during a specified block of days All six of the programs operate independently of each other If the timer fails to operate or operates erratically check that the control panel receives 24Vac from the UA 90H 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 timer follow the instructions below to set the correct time and ventilation programs 4 9A Setting the Time Set the correct time on the timer by sliding the switch in the upper right hand corner of the timer to the clock symbol and pressing the 1 7 DAY h HOUR and m MINUTE buttons Remember this timer operates on a 24 hour military time clock 4 9B Ventila
52. zezznnnnaznnzaneznzza 1 Intended Application Pise uu e e a 3 Specifications ssseseemennnnnzennnnazannnnanaznnnenanznnnrnnnanazzzna 4 INSTA ALON ite 4 1 Installation Checklist Power Accessibility AAB SpaC6 isir a trees 4 1C Low Voltage Wiring L eee 4 1D Back Draft Damper Support Structure and Suspension 4 2 Electrical Requirements 4 3 Condensate Removal sss 4 3A Lifting Condensate seen 4 3B Condensate Pump 4 4 DUCUM seii aarti itt ec cens Fresh Air Supply Air sesesss 4 4B Ducting for Fresh Air Option 4 4C Installation in a Basement or Crawlspace 4 4D Installation in an Attic L 4 4E Installation in a Structure with No Forced Air HVAC 4 4F Ducting for High Efficiency Filtration 4 5 Compressor Release and Noise 4 6 COMPOS ceri rtr tmr o iie 4 6A Humidity Fan Control Panel WITHOUT Fresh Air Ventilation or Damper

Therma-Stor Products Group 90H User's Manual

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