Ultra-Aire XT205H Installation Instructions Manual Download Page 1

The Ultra-Aire XT205H is a whole house ventilating dehumidifier 
that is integrated into the heating and cooling system to provide 
the ultimate in comfort, health and property protection through: 

• Dehumidification 
• Fresh Air Ventilation (Optional) 
• Air Filtration 

TS-903  3/24/16

P/N: 4031560  Serial No.: 

Install Date:

Sold by: 

HVAC Installer: Please Leave Manual for Homeowner

PATENTS:  
D570,988 
8,069,681
9,052,132

Installation Instructions

INSTALLATION BY A HVAC PROFESSIONAL IS RECOMMENDED

Summary of Contents for XT205H

Page 1: ...imate in comfort health and property protection through Dehumidification Fresh Air Ventilation Optional Air Filtration TS 903 3 24 16 P N 4031560 Serial No Install Date Sold by HVAC Installer Please Leave Manual for Homeowner PATENTS D570 988 8 069 681 9 052 132 Installation Instructions INSTALLATION BY A HVAC PROFESSIONAL IS RECOMMENDED ...

Page 2: ... 11 Alternative HVAC System Installations 12 Recommended Multiple HVAC Systems Installation 13 No Existing Ductwork Installation 14 Fresh Air Ventilation 15 Determine Ventilation Requirements 16 Controls 17 Air Filtration 19 MERV Rating Chart 20 Service 21 Troubleshooting 22 Warranty 24 TABLE OF CONTENTS Ultra Aire is committed to manufacturing quality products To maintain our standards product sp...

Page 3: ...TALLATION MAY CAUSE PROPERTY DAMAGE OR INJURY INSTALLATION SERVICE AND MAINTENANCE MUST BE PERFORMED BY A QUALIFIED SERVICE TECHNICIAN DEHUMIDIFIER IS HEAVY HANDLE WITH CARE AND FOLLOW INSTALLATION INSTRUCTIONS DO NOT USE IN POOL APPLICATIONS OR WARRANTY WILL BE VOID NEVER OPERATE A UNIT WITH A DAMAGED POWER CORD IF THE POWER CORD IS DAMAGED IT MUST BE REPLACED BY THE MANUFACTURER ITS SERVICE AGEN...

Page 4: ...0 Pints kWh Duct Connections 6 Round Inlet 10 Round Inlet 10 Oval Outlet Air Filter MERV 11 Standard Pleat Efficiency 65 ASHRAE Dust Spot Size 16 x 20 x 2 Optional Air Filter MERV 14 Embossed Pleat will need filter housing Efficiency 95 ASHRAE Dust Spot Size 20 x 24 x 4 Power Cord 9 115VAC Ground Internal Insulated Cabinet Yes Drain Connection 3 4 Threaded Female NPT Refrigerant Type R410A Refer t...

Page 5: ... Flex Duct 25 4022126 10 Flex Insulated Duct 25 4028399 10 Oval to Round Adapter Items Included in Box Ultra Aire XT205H Dehumidifier Ultra Aire XT205H Installation Instructions Ultra Aire XT205H Leveling Feet Removal of Compressor Shipping Support The Ultra Aire XT205H uses a compressor to power the refrigeration system To protect the compressor and refrigeration system during shipping a plastic ...

Page 6: ...uire the removal of a side panel Allow sufficient clearance on a side of the unit Locate the dehumidifier in an area where the cord s length 9 easily reaches a 115 VAC electrical outlet with a minimum of a 20 Amp circuit capacity Locate the dehumidifier in an area where field wiring the control low voltage to the unit will be possible It is recommended that a backdraft damper be used in the discha...

Page 7: ...r duct to the unit using the screws provided The 6 duct should be capped if fresh air is not desired If setting up the unit to provide fresh air ventilation see page 17 Return Air Inlet Attach 10 diameter duct collar to the unit with the screws provided Supply Air Outlet Adhere seal onto the back of the oval duct and mount the duct to the front of the dehumidifier using the screws provided Collars...

Page 8: ...ITCH XFMR RED 1 WHT 4 GRN 5 BLU 7 BLU 8 VIO 8 PNK 3 GRN 10 BLU 9 BLK BLK BLK 1 GRN 4 YEL 6 B R N 3 RUN CAP RUN CAP 4032241 ELECTRICAL REQUIREMENTS CAUTION DO NOT ALLOW THE YELLOW LEAD TO CONTACT THE RED OR WHITE LEAD ON THE ULTRA AIRE XT205H OR DAMAGE TO THE TRANSFORMER WILL RESULT Electrical Precautions Do not install the control where it may not accurately sense the relative humidity such as nea...

Page 9: ...s 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 to the common lead from the Ultra Aire XT205H to the control panel If the pump fails this ...

Page 10: ...d to reduce noise and vibration transmitted to rigid ductwork in the structure Use a minimum 10 diameter round or equivalent rectangular duct for total duct lengths of up to 25 Use a minimum 12 diameter round or equivalent rectangular duct for longer lengths Grills or diffusers on the duct ends must not excessively restrict airflow A length of 10 or more of insulated flex duct or any other vibrati...

Page 11: ...ly of the existing HVAC system with a backdraft damper If the existing system has multiple returns instead of installing a dedicated return to the Ultra Aire XT205H it is possible to select one to disconnect from the existing HVAC system and use it for the dedicated Ultra Aire XT205H return Select a return from a central location in the house that is always open to the rest of the structure DO NOT...

Page 12: ...n on when the dehumidifier is in operation Create a separate return for the Ultra Aire XT205H in a central area of the building Installing the supply air from the Ultra Aire XT205H to the return of the HVAC system requires the HVAC fan to run when the Ultra Aire XT205H is operating Check Damper should be in place between the Return and Supply connections of the dehumidifier If Check Damper is not ...

Page 13: ...central location HVAC systems should be in close proximity for optimal air flow For multiple systems contact Technical Support at 1 800 533 7533 DUCTING TO HVAC SYSTEMS Recommended Multiple HVAC Systems Installation First Air Handler HVAC Return HVAC Supply Second Air Handler HVAC Supply Dedicated Ultra Aire 205 Return to Multi systems HVAC Return Fresh Air Intake Optional Motorized Damper Indoor ...

Page 14: ...n etc Be sure to utilize multiple rooms to allow air inside the structure to properly circulate Proper air distribution is important to ensure even humidity control and heat distribution throughout the structure A 6 diameter duct is recommended for branches to bedrooms An 8 diameter duct is recommended for branches to larger areas DO NOT locate the return in a bathroom or kitchen DO NOT locate the...

Page 15: ...torized damper is used a digital control is required It may be necessary to use 8 duct work if additional fresh air is required In cold climates or at times when the dew point is low ventilation can be used to dehumidify the structure making the Ultra Aire XT205H capable of year round drying FRESH AIR VENTILATION Hot Climate 6 Fresh Air Inlet Optional 10 Return Air Inlet 10 Supply Air Outlet A B C...

Page 16: ... CFM ____________ FRESH AIR VENTILATION Determine Ventilation Requirements The MINIMUM ventilation requirement is calculated using ASHRAE 62 2 2010 Use one or both of the options below to determine your ventilation requirement Follow all local and national building and safety codes Table 4 1 from ASHRAE 62 2 2010 Floor Area ft2 1500 ft2 1501 3000 3001 4500 4501 6000 6001 7500 7500 ft2 0 1 30 45 60...

Page 17: ...THE TRANSFORMER WILL RESULT Control Connections The control and the control wires leaving the Ultra Aire XT205H are numbered and color coded to prevent confusion Depending on the control some of the wires leaving the Ultra Aire XT205H may not be used For safety the unconnected wires should be covered with wire nuts Be sure to consult the electrical schematic in this manual or inside the access pan...

Page 18: ...power transformer neutral side common with red Yellow Transformer high side Five Color Coded Wires Control Operation Unit ON Fan ON Make contact between yellow and blue wires Unit OFF Fan On Make contact between yellow and green or brown wires Power HVAC Accessory Connect the accessory to the white or red wire and the yellow wire Between the red white lead and the yellow lead is a 40VA transformer...

Page 19: ...1 Release the latch from the cabinet by pulling it down and out Remove the filter door by pulling it out of the bottom tab Step 2 Remove the filter by gently pulling it straight out of the unit Insert new filter by gently pushing it straight into the unit Make sure the AIR FLOW arrow on the filter is pointing into the unit Step 3 Insert filter door into bottom tab Push latch down and swing door sh...

Page 20: ...al Bag Filter Nonsupported Legionella microfine fiberglass or 11 60 65 95 Humidifier Dust Better Commercial Buildings synthetic media 12 36 in deep 6 12 pockets Lead Dust 10 50 55 95 Milled Flour Box Filter Rigid Style Cartridge Filters 6 to 12 deep may use lofted or paper media Auto Emissions Hospital Laboratories 9 40 45 90 Welding Fumes 8 30 35 90 3 0 10 0 pm Particle Size Commercial Buildings ...

Page 21: ...s 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 SERVICE Service Parts List Item Part No Description 1 4021475 Air Filter 16 x20 x2 MERV 11 2 4026221 Foot Leveling 5 16 18 3 4031085 02 Condenser Coil 4 4031086 05 E coat Evaporator Coil 5 4029510 Filter Drier 6 4032229 Thermostat Defrost Contro...

Page 22: ...wires together only the fan should run Disconnect the wires 8 Connect the yellow and blue wires together fan and compressor should run Disconnect the wires 9 If this test works then the field control wiring is ok 10 If the problem persists then the control is most likely faulty WARNING ELECTRICAL SHOCK HAZARD ELECTRICAL POWER MUST BE PRESENT TO PERFORM SOME TESTS THESE TESTS SHOULD BE PERFORMED BY...

Page 23: ...egrees or below and or in area of low relative humidity the dehumidifier will produce little to no water 7 Collecting the water removed in a 24 hour period will give a measurement of performance WARNING ELECTRICAL SHOCK HAZARD ELECTRICAL POWER MUST BE PRESENT TO PERFORM SOME TESTS THESE TESTS SHOULD BE PERFORMED BY A QUALIFIED SERVICE PERSON Fan is not running Dehumidification or fan is being call...

Page 24: ...not cover any costs related to changes to a Product or Component that may be required by any codes laws or regulations that may become effective after initial purchase of the Product by Customer Customer Responsibilities As a further condition to obtaining warranty coverage hereunder the Customer must send a valid warranty claim to Therma Stor such that Therma Stor receives such claim prior to the...

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Page 26: ...26 Ultra Aire XT205H Installation Instructions www Ultra Aire com 1 800 533 7533 ...

Page 27: ...27 www Ultra Aire com 1 800 533 7533 Ultra Aire XT205H Installation Instructions ...

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