Ultra-Aire 4034240 Installation Instructions Manual Download

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The Ultra-Aire 98H 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-1037 12

17 Rev A

P/N: 4034240 Serial No.:

Install Date:

Sold by:

HVAC Installer: Please Leave Manual for Homeowner

Installation Instructions

INSTALLATION BY A HVAC PROFESSIONAL IS RECOMMENDED

YEAR

FULL WARRANTY

YEAR

FULL WARRANTY

Summary of Contents for 4034240

Page 1: ... in comfort health and property protection through Dehumidification Fresh Air Ventilation Optional Air Filtration TS 1037 12 17 Rev A P N 4034240 Serial No Install Date Sold by HVAC Installer Please Leave Manual for Homeowner Installation Instructions INSTALLATION BY A HVAC PROFESSIONAL IS RECOMMENDED YEAR FULL WARRANTY YEAR FULL WARRANTY ...

Page 2: ...lation 13 No Existing Ductwork Installation 14 Recommended Closet Installation 15 Alternative Closet Installations 16 Fresh Air Ventilation 17 Determine Ventilation Requirements 18 Controls 19 Wiring Controls 19 Air Filtration 21 MERV Rating Chart 22 Service 23 Troubleshooting 24 Warranty 27 TABLE OF CONTENTS Ultra Aire is committed to manufacturing quality products To maintain our standards produ...

Page 3: ...LLATION 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 AGENT ...

Page 4: ...ions 6 Round Inlet 10 Round Inlet 10 Round Outlet Air Filter MERV 13 Mini Pleat Efficiency 90 ASHRAE Dust Spot Size 14 x 17 5 x 1 75 Optional Air Filters MERV 11 Mini Pleat Efficiency 65 ASHRAE Dust Spot Size 14 x 17 5 x 1 75 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...

Page 5: ... Insulated Duct 25 4020656 6 Inlet Hood 4024375 10 Gravity Damper 4026969 10 Flex Duct 25 4022126 10 Flex Insulated Duct 25 Items Included in Box Ultra Aire 98H Dehumidifier Ultra Aire 98H Installation Instructions Ultra Aire 98H Leveling Feet Removal of Compressor Shipping Support The Ultra Aire 98H uses a compressor to power the refrigeration system To protect the compressor and refrigeration sy...

Page 6: ...fficient clearance for filter removal and to prevent airflow obstruction Electrical service access will require 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 15 Amp circuit capacity Locate the dehumidifier in an area where field wiring the contr...

Page 7: ...tlet A B C A B C Air Flow Rear View Front View A B Fresh Air Ventilation Duct Fresh air ventilation is optional A 6 diameter duct is attached to the unit 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 A 10 diameter duct collar is attached to the unit Supply Air Outlet The back panel of the dehumidifier ca...

Page 8: ... 22 gauge thermostat wire ELECTRICAL REQUIREMENTS CAUTION DO NOT ALLOW THE 24V TERMINAL TO CONTACT THE COM DMPR TERMINALS ON THE ULTRA AIRE 98H 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 near HVAC supply registers near exterior doors on an outside wall near a window or near a water sourc...

Page 9: ...ndensate 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 to the common lead from the Ultra Aire 98H to the control panel If th...

Page 10: ...o 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 vibration isolating material on the outlet of the Ul...

Page 11: ...ling a dedicated return to the Ultra Aire 98H it is possible to select one to disconnect from the existing HVAC system and use it for the dedicated Ultra Aire 98H return Select a return from a central location in the house that is always open to the rest of the structure DO NOT use a return from a room where doors are kept closed DO NOT locate return in a bathroom or kitchen Control should be loca...

Page 12: ...ltra Aire Return to HVAC Supply Installation is not possible there are several alternative installation options available DO NOT locate return in a bathroom or kitchen Control should be located remotely from the dehumidifier and placed in a central location For basement and crawl space installations an optional tee can be installed on the Ultra Aire Supply Check Damper should be in place between t...

Page 13: ... location HVAC systems should be in close proximity for optimal air flow For multiple systems contact Technical Support at 800 533 7533 DUCTING TO HVAC SYSTEMS Recommended Multiple HVAC Systems Installation HVAC Supply Ultra Aire Supply Second Air Handler Dedicated Ultra Aire 90 Return to multi systems A C Supply HVAC Return Backdraft Damper First Air Handler HVAC Return HVAC Supply Backdraft Damp...

Page 14: ...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 supply i...

Page 15: ...ire 98H to provide fresh air ventilation optional Control should be located remotely from the dehumidifier and placed in a central location Where outlet space is restricted the outlet duct collar is optional or vertical flow through may be preferred HVAC Supply Backdraft Damper Ultra Aire Supply HVAC Return Ultra Aire Return Fresh Air Intake Optional DUCTING TO HVAC SYSTEMS Recommended Closet Inst...

Page 16: ...ntral Return to HVAC Return Attach outlet duct with a vertical flow through so air is not discharged into wall or other obstruction see Page 7 for Vertical Flow Through The HVAC system will naturally pull dehumidified air from the closet and distribute throughout the structure If the Recommended Closet Installation is not possible there are several alternative installation options available No inl...

Page 17: ...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 98H capable of year round drying FRESH AIR VENTILATION Outdoor Air 90 F 65 RH Indoor Air 70 F 50 RH Mixed Air 75 F 65 RH Mixed Air 75 F 65 RH Outlet Ai...

Page 18: ... X 0 03 5 X 7 5 91 5 CFM Record the required CFM ____________ FRESH AIR VENTILATION Determine Ventilation Requirements The MINIMUM ventilation requirement is calculated using ASHRAE 62 2 2016 Use one or both of the options below to determine your ventilation requirement Follow all local and national building and safety codes Floor Area ft2 500 501 1000 1001 1500 1501 2000 2001 2500 2501 3000 1 30 ...

Page 19: ...it breaker without correcting the electrical short may result in transformer damage Be sure to check the electrical schematic in this manual or inside the access panel of the Ultra Aire 98H before making any control connections The reset button for the circuit breaker can be found on the back of the unit Control Connections The control and the screw terminals on the Ultra Aire 98H are labeled to p...

Page 20: ...ompressor Control DMPR 24VAC Power Transformer Neutral Side Spare Terminal Open Terminal Block Control Operation Unit ON Make contact between 24V and DEHU terminals Unit OFF Make contact between 24V and FAN terminals Power HVAC Accessory Connect the accessory to the DMPR or COM and 24V terminals Between the COM DMPR lead and the 24V TERMINAL is a 40VA transformer This low voltage power source powe...

Page 21: ...p 1 Pull back slide latch to swing filter door open 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 tabs and swing door closed to lock the latch into place Filter Fresh Air Intake Optional Return Side View Top View ...

Page 22: ...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 Ple...

Page 23: ...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 4034888 Compressor 2 4027057 Compressor Overload 3 4022484 Compressor Relay SPST 24 VAC 30A 4 4033032 03 Compressor Run Capacitor 35 MFD 5 4034887 02 Evaporator Coil 6 4035868 Condenser Coil 7 40295...

Page 24: ...her only the fan should run Disconnect the terminals 8 Connect the 24V and DEHU terminals together fan and compressor should run Disconnect the terminals 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 A...

Page 25: ...ees 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 called ...

Page 26: ...trol wiring 3 Check wire connections at control and unit 4 Reset circuit breaker button on dehumidifier WARNING ELECTRICAL SHOCK HAZARD ELECTRICAL POWER MUST BE PRESENT TO PERFORM SOME TESTS THESE TESTS SHOULD BE PERFORMED BY A QUALIFIED SERVICE PERSON Control not powering dehumidifier 1 No power to dehumidifier 2 24 volt circuit breaker tripped or faulty transformer 3 Loose or missed wired contro...

Page 27: ...sts 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 end of the appl...

Page 28: ... 800 533 7533 www Ultra Aire com ...

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