Therma-Stor Products Group UA-135H User's Manual
Contents
1. 16 With Fresh Air Ventilation and Without Damper 8 6 7 Electric Ventilation 16 4 7D Humidity Fan Control Panel 6 8 Condensate Pump 16 With Fresh Air Ventilation and Damper 8 Wiring Diagrams semedine eiiis naaa eieaa 17 4 70 Ventilation Timer and Humidity Control Optional Parts DSi eene 18 With Fresh Air AND Motorized 8 Service Parts List sss 19 4 7E DEH 2000 Digital Controller Warranty 20 WITH Fresh Air and 8 2 Ultra Aire 135H Installer s amp Owner s Manual SAFETY PRECAUTIONS Safety Precautions Read the installation operation and maintenance instructions carefully before installing and operating this device Proper adherence to these instructions is essential to obtain maximum benefit from your UA 135H indoor air quality system READ AND SAVE THESE INSTRUCTIONS The device is designed to be installed INDOORS IN A SPACE THAT IS PROTECTED FROM RAIN AND FLOODING 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 c2. INSTALLER S amp OWNER S MANUAL Therma Stor Ultra Aire 135H Whole House Ventilating Dehumidifier UA 135H Part No 4025470 Serial No Dehumidification The highly efficient Ultra Aire 135H dehumidifier utilizes refrigeration to cool the incoming air stream below its dew point This cooled and drier air is used to pre cool the incoming air stream resulting in a significant increase in 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 of the air leaving the unit The Ultra Aire 135H 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 of dampers and controls Air Filtration The Ultra Aire 135H includes air filtration to improve indoor air quality A MERV 11 media filter is standard An optional MERV 14 deep pleated 95 media filter is available for optimum air filtration and to reduce potentially harmful airborne particles If the optional filter is chosen the standard filter operates as a prefilter HVAC INSTALL
3. 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 1 0 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 13 Automatic or Manual Mode The slide switch in the upper left of the timer is used to choose between automatic and manual operation When the slide switch is set to AUTO mode the UA 135H 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 1 0 button only Pressing the 1 0 button will switch the ventilation timer between ON detent an
4. 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 Ultra Aire 135H Installer s amp Owner s Manual A Thermea Stor PO Box 8680 Madison WI 53708 Phone 608 222 5301 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 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 Ultra Aire 135H Installer s amp Owner s Manual
5. a Compressor Nonburn Out Remove the refrigerant from the system Replace the compressor and liquid line filter drier Charge the system to 50 PSIG and check for leaks Remove the charge and weigh in the refrigerant quantity listed on the nameplate Operate the system to verify performance 6 7 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 1 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
6. and then started Under these conditions the unit will restart within several minutes Until the unit warms up it may repeat the cycle several times 14 Ultra Aire 135H Installer s amp Owner s Manual FOR HVAC INSTALLER AND HOMEOWNER 6 Service CAUTION Servicing the UA 135H 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 Only qualified service people should service this unit 6 1 Technical Description The UA 135H 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 filter drier 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 The mixture of gas and liquid r
7. assembly supports the 5 individual feet of the UA 135H s base in its entirety 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 External Insulation Kit An external insulation kit is available for the UA 135H This will help prevent the cabinet from sweating if the unit is installed in an unconditioned space This kit will increase the efficiency of the unit by eliminating unwanted heat transfer between the unit and the space See the optional accessories list for information on the kit Ultra Aire 135H Installer s amp Owner s Manual FOR HVAC INSTALLER ONLY 4 3 Electrical Requirements WARNING Do not allow the yellow lead from the Ultra Aire to contact the red lead or orange lead from the Ultra Aire or damage to the transformer will result The UA 135H plugs into a common grounded 115VAC outlet The device draws around 11 4 Amps under normal operating conditions Note the unit may trip the current of a 15A circuit if the circuit contains other heavy electrical loads 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 135H The controls are to be located remotely from the unit and located in the space to be conditioned The controls are
8. checks it must be replaced 6 8 Condensate Pump Kit An optional condensate pump kit is available from the factory for use with the UA 135H 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 135H 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 135H will continue to ventilate or circulate air as normal but will not dehumidify until this switch closes Figure 23 Condensate pump 16 Ultra Aire 135H Installer s amp Owner s Manual WIRING DIAGRAMS 115 115 60Hz 1Ph 60Hz 1Ph BLK WHT BLK WHT j RUN j COMPRESSOR CAPACITOR COMPRESSOR RUN RELAY COMPRESSOR RELAY COMPRESSOR CAPACITOR CONTACTS YEL 4 CONTACTS YEL 5 gt gt THERMOSTAT x THERMOSTAT nh E Mic mn FAN RELAY FAN RELAY CAPACITOR 3 CONTACTS BRN l GRY S CONTACTS BRN f 6 3 6 BLU BL
9. programs operate independently of each other If the timer fails to operate or operates erratically check that the control Ultra Aire 135H Installer s amp Owner s Manual FOR HVAC INSTALLER ONLY panel receives 24Vac from the UA 135H If 24Vac is present at the control panel reset the timer by pressing the reset button at the bottom center of the timer face The reset button is the small recessed button with an R beneath it located below the 1 7 and h buttons Depress the reset button until the display clears Release the reset button The display will reappear as 00 00 Resetting the timer will Clear the time and all program settings After resetting the timer follow the instructions below to set the correct time and ventilation programs 4 11 Setting the Time First 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 12 Ventilation 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 ON 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
10. 4 7E DEH 2000 Digital Controller WITH Fresh Air AND Damper Refer to Section 5 4 7F DEH 2000 Digital Controller WITHOUT Fresh Air Refer to Sections 5 through Section 5 2G only 4 8 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 Figure 12 6 Humidity Control humidity control dial setting Setting the Adjustment Knob humidity control to lower RH levels will NOT increase the unit s dehumidification rate the unit will simply run longer to reduce the area s RH to the setting The UA 135H 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 45 are not recommended 4 9 Fan Filter Switch zw Turning ON the fan filter switch to FAN ON p position will cause the UA 135H impeller fan gt torun continuously whether the UA 135H is dehumidifying 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 FAN ON position air will be
11. ER PLEASE LEAVE MANUAL FOR HOMEOWNER 2006 Therma Stor LLC Manual P N TS 287A 11 06 TABLE OF CONTENTS SAFETY PRECAUTIONS amp SPECIFICATIONS Table of Contents Safety PreCaurtionS sssssssssssssssssssssssssssssssssssssssssssssssessssssese 3 DEH 2000 Digital Controller Without Fresh Air 8 1 Intended Application iccirco tace 4 4 8 Humidity Control Adjustment 44444 8 4 4 9 Fan Filter 2 1 8 3 4 4 10 Ventilation Timer nennen 8 4 1 51 4 4 11 Setting 9 4 1 Installation 442221 4 4 12 Ventilation Schedule seen 9 4 1A Drainage amp Trap nes 4 4 13 Automatic or Manual 9 4 1B Filter Box amp Fresh Air 4 Installer Diagram cierre enun 10 4 1C Power 5 4 5 DEH 2000 Digital Control eee 11 410 9 editi diete 4 5 1 5 1 11
12. Low Voltage 4 5 2 Installation 11 Sound 4 5 2A Install Instructions een 11 4 16 Back Draft Damper n 4 5 2B WINING ive E E ra tdi Ps 11 4 1H Support Structure and 5 4 5 26 LOCION 12 4 2 External Insulation Kit 4 5 3 Operation sroine inasisimua innia 12 4 3 Electrical 5 5 3A Display cec ecrire nter renes 12 4 4 Condensate 5 5 3B Setting Re 12 Lifting Condensate 11111 5 5 On Off Setting 12 45 RR 5 5 3D Setting Clock TIME 00 12 4 5A Installing Duct Collars es 5 5 3E Setting Relative Humidity Setpoint 13 4 5B Ducting for 5 5 3F Fan Setting and Operation 13 4 5C Ducting for Fresh Ait ssssssesssscsssssssesssecsssssseesseenssssees 5 5 3F Fan On Fan Off Fan 13 4 5D Ducting for Fresh Air 6 5 3H Damper Operatio
13. U BLK BLU BLU BLK Xo Voy LT BLU 115 ORG LT BLU ORG WHT TRANSFORMER TRANSFORMER YEL 2 YEL YEL 2 A YEL YEL un i B fl 24V COMPRESSOR HUMIDITY 24V COMPRESSOR o HUMIDITY RELAY COIL R RELAY COIL CONTROL CONTROL a p YEL 2 5 0805 p DBLUS fy YEL2 650805 0 1 YEL LOW PRESSURE CONTROL D P4 n x A a FAN 24 Vac gt 24 m a FAN m FAN RELAY COIL 60 Hz Du LT BLU pii SWITCH hr 1Ph SWITCH E c ON GRN 6 a a GRN 6 os on GRN 6 z 4 5 ORG AUTO t 5 3 x gt A 5 TIMER MOTOR SWITCH DAMPER MOTOR FIELD WIRING FIELD WIRING D WIRENUT D WIRENUT Y mi 9 00 UA 135H With Humidity Fan Control 4024155 UA 135H W Ventilation Timer Humidity Fan Control 4024125 BE SURE JUMPER WIRE BETWEEN RC amp RH IS IN PLACE HU YEL OPEN Br prd w2 wi Q OPEN n 1 cm G1 ULTRA AIRE n m v2 OPEN DEH2000 CONTROL ONLY CONNECT WHITE WIRE IF MOTORIZED DAMPER IS USED DAMPER UA 135H With DEH 2000 Digital Controller 4024539 17 Ultra Aire 135H Installer s amp Owner s Manual OPTIONAL PARTS LIST Item Part No 4024125 4024155 4024539 4025287 4022220 4024377 4024369 4024370 4020646 4025463 OO ON OO gt Item 1 Ventilation Timer amp Humidity Control Item 2 Humidity Fan Control Descri
14. Weight 99 3 Ibs Shipping Weight 138 Ibs 4 Installation 4 1 Installation Checklist IMPORTANT Prior to installation of the UA 135H the following checklist should be reviewed The UA 135H 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 devices location 4 1A Drainage and Trap Unit should be located an area where the UA 135H s condensate water may be easily routed to a suitable drain Space and location requirements should take into account the incorporation of a trap for the assembly as shown in section 4 4 4 1B Filter Box amp Fresh Air Ventilation Unit location should be in an area where the unit s return intake side will be easily accessible for ducting Ducting the optional fresh air ventilation to the filter box should be easily accomplished by the unit s location 4 1C Power Accessibility Unit should be located in an area where the cord s length 6 should easily reach a 115 VAC electrical outlet with a minimum of a 15 A circuit capacity 4 1D Space Location should have enough clearance to hand
15. a Stor makes no firm recommendations concerning when to ventilate Common ventilation schedules include constant ventilation ventilation based on occupancy times intermittent operation and seasonal ventilation Remember the control must be on for the unit to be functioning make sure the green power indicator ON is lit 5 3K Ventilating or Dehumidifying to Control Indoor Relative Humidity Levels Fresh air ventilation may have a drying effect or a wetting effect on the indoor space depending on the amount of moisture present in the outdoor air Relative humidity is not a good indicator of outside humidity levels use dew point measurements instead Consider outside humidity levels when using the ventilation function of the dehumidifier 5 3L Stop Start During summer in hot humid climates operating in ventilation mode will increase the moisture load in the home Consider reducing the amount or frequency of fresh air ventilation if indoor humidity continues to be high 5 4 Low Pressure Control If the low side refrigerant pressure drops to 15 PSIG the low pressure control opens and shuts off the compressor and impeller fan It is an automatically reset control that will close when the pressure rises to 35 PSIG Its primary function is to prevent damage to the compressor if a leak develops in the refrigeration system It may also open if the unit is A installed in a cool area below 50 F or B installed where it is below 40 F
16. at the bottom and now the minute display will flash 4 Use the SET or buttons to adjust to the desired minute setting 5 Press the PROG button again to move on to the Program 1 stop event The display will indicate Program 1 stop at the bottom and the hour display will flash 6 Use the SET or button to adjust the hour for the Program 1 stop time Be sure to pay attention to the am pm setting 7 Press the PROG button again The display will indicate Program 1 stop at the bottom and now the minute display will flash 8 Use the SET or buttons to adjust to the desired minute setting 9 Pressing the PROG button again to move onto program 2 stop and begin the process again if setting the other programs Follow the same procedure for each program 10 To end the program process simply leave the control alone don t push any buttons for about 10 seconds The unit will 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 determine ventilation times and rates Therm
17. ation 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 135H into the supply of the existing heating system If the existing heating system incorporates a central supply installation of a separate supply duct from the UA 135H to each isolated area is recommended 4 56 Fresh Air Supply Air IMPORTANT 00 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 135H should be UL listed A length of 6 feet or more of flex ducting on the outlet of the UA 135H will reduce air noise from the impeller fan A length of flexible ducting on all UA 135H duct connections is recommended to reduce noise and vibration transmitted to rigid ductwork in the structure Ducting the UA 135H as mentioned requires consideration of the following points Ultra Aire 135H Installer s amp Owner s Manual FOR HVAC INSTALLER ONLY 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
18. ation 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 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 and program denoted by Pr With the damper in the 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 th
19. avity Damper gt Indoor Air Cl Supply Indoor Air H Return a Ultra Aire Indoor Air Return Figure 7 Attic installation Controller in space to be conditioned 4 56 Installation in a Structure with Two Forced Air HVAC Systems When installing the UA 135H in a space with two HVAC systems the outlet air of the UA 135H may be ducted into the supply ducting of each system The 10 outlet of the UA 135H may be split into two separate ducts by using a T or Y adapter It is recommended to install a manual damper balancing damper and a backdraft damper in each duct then connect to the supply ducting of each HVAC system The balancing dampers provide the ability to control airflow into each system The backdraft dampers prevent cross flow of air from one system to the other when only one system is active See Figure 8 4 5H Installation in a Structure with No Existing Forced Air HVAC System When installing the UA 135H in a structure that does not have a forced air HVAC system a single return for the UA 135H 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 135H 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 135H to be filtered and dehumidified 4 diameter duct is recommend
20. avity via the 1 gt lt H bushing extending from the unit It tea is necessary to assemble your own drain pipe assembly utilizing 34 PVC pipe to get the condensate to a floor or other Figure2 TrapDiagram drain Pipe is commonly available in 10 lengths from building supply plumbing or hardware stores Grade of pitch should be 1 per 10 4 4A 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 7 for information on the kit Figure amp Condensate pump 4 5 Ducting 4 5A Installing Duct Collars The UA 135H is equipped with 10 diameter round inlet and exhaust collars The inlet collar is factory installed The inlet collar is designed with tabs that fold inside the 10 hole located on the return panel of the UA 135H To install the exhaust collar bend all four tabs out and away from the center of the collar The exhaust collar is attached to the UA 135H by fastening the four tabs on the outside of the supply panel to the UA 135H Fasten Figure 4 Installing exhaust colla the collar to the supply panel of the UA 135H by removing one fan screw placing the collar over the four holes then screwing the fan screw and three additional 10 24 thread cutting screws into the four holes near the 8 diameter outlet hole 4 5B Ducting for Dehumidific
21. constantly filtered through the UA 135H and circulated throughout the house When the switch is FAN AUTO position the impeller fan will operate only when the humidity control calls for dehumidification or when the ventilation timer calls for ventilation Figure 13 Fan Filter Switch 4 10 Ventilation Timer The ventilation timer controls the impeller fan and the motorized fresh air damper When the ventilation timer is activated the UA 135H 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 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 your schedule 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
22. crawl space if desired Duct the other side of the tee to the air supply of the existing HVAC system Connect an insulated duct from outside to the 6 collar of the UA 135H if you wish to provide optional fresh make up air If the existing system has multiple returns select one to disconnect from the existing forced air system and use it for the dedicated Ultra Aire 135H Installer s amp Owner s Manual FOR HVAC INSTALLER ONLY 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 or alternatively install a separate return from the open part of the house 4 5F Installation in an Attic with an Existing Forced Air HVAC System ALWAYS install a catch pan with a drain or float interrupt for condensate under the UA 135H in an attic or condensate may damage the living space below The preferred method of installation is to create a separate return for the UA 135H in a central area of the structure Duct the supply of the UA 135H to the air supply of the existing HVAC system Connect an insulated duct from outside to the 6 collar of the UA 135H if you wish to provide fresh make up air Adjust a damper in the duct to provide the desired amount of fresh air See Figure 7 Filter Housing Heating amp Unit Fresh Air intake 4 Utra Aire Supply Air q Gr
23. d OFF detent As you press the 1 0 button ON or OFF will be displayed to the right of the time The ON or OFF indicates if the ventilation timer is on or off The 1 0 button will manually override scheduled programs if the timer is in AUTO mode Ultra Aire 135H Installer s amp Owner s Manual ATTENTION INSTALLER WIRE THE UNIT AND CONTROL PACKAGE AS SHOWN IN THE DIAGRAM BELOW HUMIDITY gt CONTROL D BLU 5 BLOWER 82 at SWITCH 4 RED 3 I a A RE R CONTROL PART No 4024155 i a A DO NOT CONNECT THESE LEADS DIRECTLY TOGETHER OR DAMAGE TO THE TRANSFORMER WILL RESULT OPTIONAL DAMPER HUMIDITY 2 PUTT TT TTT CA N CONTROL lt cmm BLOWER dis SWITCH SE I 4 ORG eee Y ge Gane 2 le zz PNK LI RED 3 7 5 2 TN BE J B RED 3 N GRY i i CONTROL PART 4024125 i DEHUMIDIFIER 26 D E DEHUMIDIFIER WHT WE DO NOT CONNECT WHITE WIRE SURE IF OPTIONAL DAMPER IS NOT USED Nen DO NOT CONNECT THESE LEADS j DIRECTLY TOGETHER OR DAMAGE TO THE TRANSFORMER WILL RESULT OPTIONAL L D AMPER CONTROL PART No 4024539 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 wh
24. d 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 If any Ultra Aire 135H Dehumidifier part is repaired 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 135H Dehumidifier 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
25. e 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 Damper On Damper Off Damper Program Figure 17 Damper operation and setting 13 Ultra Aire 135H Installer s amp Owner s Manual FOR HVAC INSTALLER AND HOMEOWNER 5 31 Intermittent or Programmed Ventilation With the damper in program mode denoted by Pr when setting the damper operation the system will operate the ventilation function according to the current ventilation program There are 4 programs available for ventilation Monday through Friday There are also 4 programs for Saturday and 4 programs for Sunday No other choice of days is available Each program to be used has an on event called START which brings the ventilation function on and an off event called STOP which turns the function off Each START and STOP must be entered in to the controller Figure 18 Programmed ventilation To set or adjust the ventilation program 1 Press the PROG button two times The display will indicate Program 1 start at the bottom and the hour display will flash 2 Use the SET or button to adjust the hour for the Program 1 start time Be sure to pay attention to the am pm setting 3 Press the PROG button again The display will indicate Program 1 start
26. ed for branches to the bedrooms 6 diameter duct is recommended for branches to larger areas Connect an insulated duct from outside to the 6 collar of the UA 135H if you wish to provide fresh make up air 4 6 Compressor Release amp Noise Abatement The compressor is attached to the partition with one cable tie and a 1 5 x 1 5 x 4 5 foam pad to secure it during shipment This rigid attachment must be removed once the unit is installed and may cause noise from compressor vibration After installation remove the service panel cut and remove the cable tie and foam pad securing the compressor s accumulator to the partition This will prevent the compressor from transmitting vibration to the cabinet For further noise abatement make sure none of the refrigeration tubes are pressed against the cabinet or access panel Check that the refrigeration tubes are centered in the holes where they pass through the partition For additional noise control attach 3 4 plywood surround A length of 10 feet or more of acoustical flex ducting on the outlet of the UA 135H will reduce air noise from the impeller fan A length of flexible ducting on all UA 135H duct connections is recommended to reduce noise and vibration transmitted to rigid ductwork in the structure 4 7 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
27. efer to the unit nameplate for the correct charge weight and refrigerant type 6 4 Impeller Fan Replacement The motorized impeller fan is a unitary assembly consisting of the motor and impeller fan If defective the complete assembly must be replaced 1 Unplug the power cord 2 Remove the cabinet access panel 3 Disconnect the impeller s blue black brown leads which are attached to the capacitors as well as the green yellow ground lead 4 Remove the impeller access plate which is the D shaped plate mounted to the supply exhaust panel of the UA 135H The impeller should be attached to this D shaped plate Pull the leads through the black plastic scroll housing inside as you remove the impeller access plate 5 Remove the two cable clamps securing the impeller cord to the access plate 6 Remove the defective impeller from the access plate 7 Reassemble the new impeller fan by reversing the above procedure Note Make sure that the new impeller cord is secured tightly to the impeller access plate utilizing the two cable clamps given with the unit Make sure to reconnect all leads in their correct positions 6 5 Compressor Capacitor Replacement This compressor is equipped with a two terminal external overload and a run capacitor but no start capacitor or relay CAUTION ELECTRICAL SHOCK HAZARD Electrical power must be present to perform some tests These tests should be performed by a qualified service person 6 6 Replacing
28. efrigerant 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 6 2 Troubleshooting No dehumidification neither impeller 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 Low pressure Control open 7 Optional Condensate Pump Safety Switch open No dehumidification compressor does not run but impeller 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 Impeller fan runs with fan switch and ventilation timer OFF but compressor cycles on amp 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 Impeller fan does not run wi
29. ertain 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 DO NOT use the device as a bench or table DO NOT place the device directly on structural members 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 135H Installer s amp Owner s Manual FOR HVAC INSTALLER ONLY 1 Intended Application for Ultra Aire 135H 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 2 Registrations The Ultra Aire 135H P N 4025080 conforms to UL STD 1995 Certified to CAN CSA STD C22 2 No 236 3 Specifications Model UA 135H Air Purifying Dehumidifier Electrical 110 120 VAC 12 Amps 60 Hz grounded Capacity 135 pints day 80 F 60 RH Operating Temp 56 F min 100 F max Air Flow 355 CFM without external ducting 335 CFM 20 IWG external static 315 CFM Q 40 IWG external static Refrigerant Charge 1 Ib 12 oz R22 Duct Connections Round 10 inlet 10 outlet Filter Size Pleated cloth 2 x 20 x 24 High Efficiency 4 x 20 x 24 optional Unit Size w o duct collars 31 L x 21 W x 18 4 H Shipping Size 37 L x 25 W x 28 2 H Unit
30. g the DEH 2000 control RC 24 VAC RC 24 VAC HU Not Used G1 Fan Yellow Wire Yellow Wire w2 Green Wire RH Not Used RH Not Used Dehumidistat Y2 Not Used 24 VAC C 24 VAC Dark Blue Wire Y1 Damper Red Wire Red Wire 1 Not Used See Waning Next Page White Wire IMPORTANT Leave Jumper Wire RC and RH in place 11 Ultra Aire 135H Installer s amp Owner s Manual FOR HVAC INSTALLER AND HOMEOWNER BE SURE JUMPER WIRE BETWEEN RC amp RH IS IN PLACE RC RH 4 HU YE 2D V JUMPER E RED X BLU W GRN G1 ULTRA AIRE WHT Y2 RC amp RH IS IN PLACE DEH2000 CONTROL 13 ONLY CONNECT WHITE WIRE IF MOTORIZED DAMPER IS USED DAMPER Figure 12 DEH 2000 Wiring Diagram A WARNING Warning Connecting the white wire to the control terminal without use of a motorized damper could create a short resulting in damage to the transformer The white wire controls the 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 damper on the control 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 white wire terminal Y1 unused if the damper is not used 5 26 Location Install the remote control panel in a central area of the structure where it will sense the relative humidity of t
31. h as loose cover or 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 15 Ultra Aire 135H Installer s amp Owner s Manual FOR HVAC INSTALLER AND HOMEOWNER only the impeller fan should run Disconnect the wires 3 Connect the yellow and blue pigtails from the main unit together the compressor and impeller fan should run 4 f 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 impeller fan should run Turn off the fan switch 7 Turn on the humidity control the compressor and impeller fan should run 8 If these tests work the problem is most likely in the field control wiring 6 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 R
32. he 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 3 Operation 5 3A Display When there is power to the control the control display sequence will alternately show the clock humidity temperature fan status and fresh air damper status The display sequence repeats continually and is referred to as home state SET CLOCK TEMP HUMIDITY 20 00 MON TUE WED THU FRI SAT SUN START STOP ex Figure 13 DEH 2000 digital display e The word CLOCK appears at the top of the display during the clock display along with the day and time e The word HUMIDITY appears during the humidity display with the current Set point on the left and the ambient RH on the right e The word TEMP appears as the unit displays the current temperature e The fan status display is indicated by a capitol OF indicates fan off status on indicates fan on status e The damper display is indicated by a d with the same on off status indicators as the temperature e 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 Pr 5 3B Setting During the set up process if you make a mistake you can always go back to adjust the
33. ilation timer Advantages of this form of ventilation include 1 Outside air is filtered before entering the building 2 0utside air will be dehumidified before entering if the UA 135H 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 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 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 dehumidifier 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 125 CFM of outside air Large quantities of outside air will impact UA 135H performance positively or
34. 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 off denoted by OF or program denoted 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 or Pr Press the FAN button again or leave the unit alone for 10 seconds to return to home state Figure 16 Programming the fan 5 36 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 ventil
35. ite lead on the unit to the violet lead on the ventilation control or damage to the transformer will result 10 Ultra Aire 135H Installer s amp Owner s Manual FOR HVAC INSTALLER ONLY 5 DEH 2000 DIGITAL CONTROL Installation Instructions Figure 9 DEH 2000 User Panel On Off Program Clock Fan B Damper F C Humidity LIRAURE 5 1 Specifications Model 4024539 Electrical 24 VAC Humidity Range 20 90 RH Humidity Accuracy 4 Output 3 Amps 24 VAC 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 panel by depressing the tongue located in the bottom of the control Figure 10 Release tongue it 2 Gently disconnect the quick connector on the back panel 3 Remove the battery from the back panel by sliding it to the left and out from it s retaining clip To mount in the black battery holder on the front panel insert it from the top gently pressing downward until it snaps into place and is held under the top clip of the holder The engraved on the battery should be visible 4 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 5 Insert
36. lative 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 Figure 15 Setting relative humidity Set point 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 Storrecommends 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
37. le the unit s overall dimensions as well as the necessary return supply ductwork to the unit and the additional 4 in height for the unit to drain properly The filter box should be accorded enough space to allow for the opening of the filter access panel and for the replacement of the filter elements 4 1E Low Voltage Wiring Unit Location should be in an area where field wiring the remote controls low voltage to the unit will be possible 4 1F Sound The UA 135H produces sound levels from 50 to 60 dB If necessary do not locate unit in or adjacent to areas which the unit s sound might be aggravating to the end user For additional noise control attach 3 4 plywood surround 4 1G Back Draft Damper It is recommended that a back draft damper be utilized on the supply ducts for the UA 135H The unit location should be able to permit this accessory to be installed if requested by the end user For more information please call customer service at 800 533 7533 4 1H Support Structure and Suspension Place the UA 135H on supports to raise the base of the unit approximately 4 above the horizontal floor below it Raising the UA 135H will help the unit drain with gravity flow Do not place the UA 135H directly on structural building members without vibration absorbers or unwanted noise may result The UA 135H may be suspended with steel hanger straps plumbers tape or a suitable alternative from structural members as long as the suspending
38. ler s amp Owner s Manual ULTRA AIRE 135H Dehumidifier Limited Warranty WARRANTOR Therma Stor LLC PO Box 8680 Madison WI 53708 Telephone 1 800 533 7533 WARRANTY This warranty covers the Ultra Aire 135H Dehumidifier and extends only to the original residential end user of the Ultra Aire 135H Dehumidifier and may not be assigned or transferred Year One 100 parts and labor all components Therma Stor LLC warrants that for one 1 year the Ultra Aire 135H 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 Year s Three through Five Therma Stor LLC further warrants for a period of five 5 years the condenser evaporator and compressor of the Ultra Aire 135H 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 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 an
39. low voltage 24 volt and should be connected to the UA 135H with low voltage wire thermostat or other appropriate 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 135H and the control panel Be sure to safely route the control wiring to prevent damage during installation Do not cross wires when connecting the UA 135H and the remote control panel or damage to the transformer may result The remote controls of the UA 135H 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 135H and the remote control panels are numbered and color coded to prevent confusion Some of the control wires leaving the UA 135H 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 inside the access panel of the UA 135H before making control connections 4 4 Condensate Water Removal IMPORTANT incorporate a trap for the assembly as shown in Figure 2 Use care to keep the pipe assembly as flat to the floor as possible kinks and or humps will prevent proper drainage The Ultra Aire APD generates condensate Condensate drains by gr
40. n and 13 4 5E Installation in a Basement or Crawl Space 5 31 Intermittent Programmed Ventilation 14 with an Existing Forced Air HVAC 5 6 5 3J Programming 8 ee 14 4 5F Installation in an Attic with 5 3K Ventilating or Dehumidifying to Existing Forced Air HVAC 5 7 Control Indoor Relative Humidity Levels 14 4 50 Installation in a Structure with 5 SL Stop Start tm erre 14 Two Forced Air HVAC Systems 7 5 4 Low Pressure Control sse 14 4 5H Installation in a Structure with No KH in 15 Existing Forced Air HVAC System 7 6 1 Technical Description eene 15 4 6 Compressor Release and Noise 7 6 2 Troubleshooting 15 4 7 Controls ennt 7 6 3 Refrigerant Cleaning e 16 4 Humidity Fan Control Panel Without 6 4 Impeller Fan 16 Fresh Air Ventilation or 8 6 5 Compressor Capacitor 16 4 7B Humidity Fan Control Panel 6 6 Replacing a Compressor Nonburn
41. n refer to section 4 8 4 7B Humidity Fan Control Panel WITH Fresh Air Ventilation and WITHOUT Damper The humidity 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 Position the fan switch ON when the home is occupied This filters and circulates air throughout the home Outside air is introduced whenever fan is ON Manual operation of fan filter switch controls outside air and ventilation Since the fan operates whenever the UA 135H is dehumidifying outside air will be introduced For humidity control operation refer to section 4 8 4 76 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 135H will then circulate and dehumidify air to provide humidity control 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 7D Ventilation Timer and Humidity Control WITH Fresh Air AND Motorized Damper Refer to sections 4 8 through 4 13
42. negatively depending upon the inside and outside air conditions The outside air duct should be connected to the 6 round collar on the filter enclosure of the unit The amount of fresh air 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 5E Installation in a Basement or Crawlspace with an Existing Forced Air HVAC System Basement Installation Install a separate 10 return for the UA 135H in a central area of the structure 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 Connect a duct from outside to the 6 collar of the Ultra Aire if you wish to provide fresh make up air See Figure 6 Uttra Aire Indoor N Air Rebum Controller in space to be Heating AC Return Air conditioned Heating AC Supply with Uitra Aire hir x E Cd 4 4 4 Fresh Air Motonzed Nc Dry Air to Inet Hood Damper Basement 4 Fiter Housing Gravity Damper Figure 6 Basement or crawlspace installation e Crawlspace Installation Install a separate return for the UA 135H in a central area of the structure Duct the supply of the UA 135H to a 10 x 10 x 10 tee damper that is 2096 open to the
43. ption Control Panel Assembly Ventilation Timer amp Humidity Control Control Panel Assembly Humidity Fan DEH 2000 Digital Controller Filter Box Condensate Pump Kit External Optional External Insulation Kit not shown 2 x20 x24 Filter not shown 4 x20 x24 Filter not shown 10 Backdraft Damper not shown Stand Kit not shown S SS UTIU AUBE s 2 Item 3 DEH 2000 Digital Control Item 4 Filter Box Item 5 Condensate Pump 18 Ultra Aire 135H Installer s amp Owner s Manual SERVICE PARTS LIST 15 not shown not shown not shown not shown not shown not shown not shown Part No 4021589 4025075 4025298 4022484 4025244 4021396 4021470 4021648 4021395 4025076 4020924 4025224 4025087 4022219 4022487 4017414 4025249 4024368 4025082 4025084 4025086 4025242 Description Capillary Tube 059 X 124 X 28 00 not shown Compressor Carlyle EBA1051 114 Compressor Overload EBA105111A not shown Compressor Relay SPST 24 Vac 30A Compressor Run Capacitor 30 MFD Condenser Coil Defrost Thermostat Defrost Thermostat Mounting Clip not shown Evaporator Coil Impeller Fan Impeller Fan Relay SPDT 24 Vac 15A Impeller Fan Run Capacitor 15 MFD Filter Drier Low Pressure Control not shown Transformer 120 24 Vac 40 VA Accumulator Collar 10 Collar 10 no crimp Cord Wire Harness Wire Harness low voltage Wiring Diagram 19 Ultra Aire 135H Instal
44. require field wiring from the unit location to the panel mount location To determine how each control operates the UA 135H it must first be determined which control is being used and whether or not the 135H is ducted for fresh air ventilation Humidity Fan Control Panel P N 4024155 47 Humidity Fan Control Panel WITHOUT Fresh Air Ventilation or Damper 4 7B Humidity Fan Control Panel WITH Fresh Air Ventilation and WITHOUT Damper 476 Humidity Fan Control Panel WITH Fresh Air Ventilation AND Damper Ventilation Timer Humidity Control Panel P N 4024125 4 7D Ventilation Timer and Humidity Control WITH Fresh Air AND Motorized Damper DEH 2000 Digital Control P N 4024539 4 7E Digital Controller WITH Fresh Air AND Damper 4 7F Digital Controller WITHOUT Fresh Air Ultra Aire 135H Installer s amp Owner s Manual FOR HVAC INSTALLER ONLY Humidity Fan Control Panel WITHOUT Fresh Air Ventilation or Damper The humidity 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 Figure 10 Humidity Fan Figure 11 Ventilation Timer Control Panel and Humidity Control P anel humidity sensing Position the fan switch ON when the home is occupied This filters and circulates air throughout the home For humidity control operatio
45. restrict airflow 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 Fresh Air Intake Fitter Housing Ultra Aire Supply Air y gt B M Ya Ultra Aire Indoor Air Retum Figure 5 Ducting to isolated areas Connecting to existing HVAC systems An optional 10 check damper is available from the factory to prevent reverse flow through the UA 135H If the UA 135H is ducted to the supply of a high static air handler the check damper may be placed in the UA 135H supply duct Contact the factory when connecting to a static pressure of greater than or equal to 5 WG 4 5D Ducting for Fresh Air Option Fresh air can be brought into the structure by connecting an insulated duct from outside the structure to the 6 inlet of the optional filter box and by turning on the fan switch or activating the humidity control on units with the humidity control panel Activate the ventilation timer on units with the ventilating amp humidity control panel to bring in fresh air Refer to section Programming Instructions for the vent
46. 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 state 5 3C On Off Setting Press the ON OFF button to turn the system on or off When the system is on the green indicator will be lit In the off mode the controller continues the regular display sequence and indicates current time temperature and relative humidity It also displays the status of the fan and damper as if the control were on but the fan and damper will not operate unless the control is on and the green indicator is lit Setup can be done with the control either on or off 5 3D Setting Clock Time 1 Push CLOCK button The hour display will flash use the SET or button to adjust hour Notice the a m p m display Figure 6 Setting clock time 2 Push CLOCK button again The minute display will flash Use the buttons to adjust to the proper time 3 Push CLOCK button again The day display will flash Use the buttons to select the proper day 4 Push CLOCK button again The AM PM display will flash Verify AM PM setting is correct 5 Push CLOCK button again or wait a few seconds for the display to stop flashing The time is now set Figure 14 Setting clock time Ultra Aire 135H Installer s amp Owner s Manual FOR HVAC INSTALLER AND HOMEOWNER 5 3E Setting Relative Humidity Set point The re
47. th fan switch in either position Impeller 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 impeller fan circuit 2 Obstruction prevents impeller fan rotation 3 Defective impeller fan 4 Defective impeller fan relay 5 Defective impeller fan capacitor Impeller fan runs with fan switch ON Impeller 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 amp 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 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 4 Air filter dirty 5 Defective defrost thermostat 6 Low refrigerant charge 7 Air leak suc
48. the screws so they extend approximately 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 Connect at the top first then at the bottom 5 2B Wiring A WARNING Warning Do not allow the yellow lead from the Ultra Aire to contact the red lead or orange lead from the Ultra Aire or damage to the transformer will result 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 wires when connecting the Ultra Aire and the remote control panel or damage to the transformer may result IMPORTANT The remote controls of the Ultra Aire are powered by a low voltage circuit 24 VAC and must NEVER contact or be connected to a high voltage circuit Some of the control wires 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 before making the control connections ol M lt N Figure 11 Wirin
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