Ultra-Aire 70H Installation Instructions Manual Download

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The Ultra-Aire 70H 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-781 4/27/16

Installation Instructions

P/N: 4033730 Serial No.:

Install Date:

Sold by:

HVAC Installer: Please Leave Manual for Homeowner

INSTALLATION BY A HVAC PROFESSIONAL IS RECOMMENDED

YEAR

FULL WARRANTY

YEAR

FULL WARRANTY

Summary of Contents for 70H

Page 1: ...ate in comfort health and property protection through Dehumidification Fresh Air Ventilation Optional Air Filtration TS 781 4 27 16 Installation Instructions P N 4033730 Serial No Install Date Sold by HVAC Installer Please Leave Manual for Homeowner INSTALLATION BY A HVAC PROFESSIONAL IS RECOMMENDED YEAR FULL WARRANTY YEAR FULL WARRANTY ...

Page 2: ...Multiple HVAC Systems Installation 13 No Existing Ductwork Installation 14 Recommended Closet Installation 15 Alternative Closet Installations 16 Fresh Air Ventilation 17 Controls 19 Air Filtration 21 Service 23 Warranty 26 TABLE OF CONTENTS Ultra Aire is committed to manufacturing quality products To maintain our standards product specifications may change without notice 4201 Lien Rd Madison WI 5...

Page 3: ...ALLATION 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: ...y Efficiency 5 0 Pints kWh Efficiency 4 0 Pints kWh Duct Connections 8 Round Inlet 8 Round Outlet Air Filter MERV 11 Mini Pleat Efficiency 65 ASHRAE Dust Spot Size 9 x 11 x 1 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 Drain Connection 3 4 Threaded Female NPT Refrigerant Type R410A Refer to manufactu...

Page 5: ...030113 Pump Kit 4036695 Hang Kit 4025287 MERV 14 Filter Housing 4024370 MERV 14 Filter 20 x24 x4 4029087 MERV 14 Filters 3 Pack 4023672 6 Motorized Damper 4026859 6 Flex Duct 25 4020128 6 Flex Insulated Duct 25 4020656 6 Inlet Hood 4023647 8 Gravity Damper 4020646 8 Butterfly Damper 4027415 8 Flex Duct 25 4020177 8 Flex Insulated Duct 25 Items Included in Box Ultra Aire 70H Dehumidifier Ultra Aire...

Page 6: ...eturn and supply ductwork to the unit Allow sufficient clearance for filter removal and to prevent airflow obstruction Electrical service access will require the removal of the outside shell Allow sufficient clearance around the unit Locate the dehumidifier in an area where the cord s lenght 9 easily reaches a 115 VAC electrical outlet with a minimum of a 15 Amp circuit capacity Locate the dehumid...

Page 7: ...t Vertical Flow Through Remove the exhaust panel Rotate the panel so the exhaust collar is located on the top of the unit Align screw holes and snap the panel onto the base Secure the exhaust panel to the base by replacing the six screws Front View Horizontal Flow Through End Discharge Rear View Vertical Flow Through Top Discharge 8 Return Air Inlet 8 Supply Air Outlet A B A A B A 8 Return Air Inl...

Page 8: ...QUIREMENTS CAUTION DO NOT ALLOW THE YELLOW LEAD TO CONTACT THE RED LEAD ON THE ULTRA AIRE 70H 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 source The control wires leaving the Ultra Aire 70H and...

Page 9: ...s required to dispose of condensate 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 70H...

Page 10: ... rigid ductwork in the structure Use a minimum 8 diameter round or equivalent rectangular duct for total duct lengths of up to 25 Use a minimum 10 diameter or equivalent for longer lengths Grills or diffusers on the duct ends must not excessively restrict airflow A length of 8 or more of insulated flex duct or any other vibration isolating material on the outlet of the Ultra Aire 70H will reduce a...

Page 11: ...isting system has multiple returns instead of installing a dedicated return to the Ultra Aire 70H it is possible to select one to disconnect from the existing HVAC system and use it for the dedicated Ultra Aire 70H return Always 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 lo...

Page 12: ...Ultra 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 crawlspace 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 1 800 533 7533 DUCTING TO HVAC SYSTEMS Recommended Multiple HVAC System 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: ...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 suppl...

Page 15: ... air ventilation optional Control should be placed in a central location or the on board control can be used for this installation Where inlet space is restricted the inlet duct collar is optional 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 DUCTING TO HVAC ...

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

Page 17: ...ital 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 70H capable of year round drying FRESH AIR VENTILATION B Motorized Damper 6 Fresh Air Inlet Optional 8 Return Air Inlet 8 Supply Air Outlet A B C Outdoor Air 90 F 65 RH Ho...

Page 18: ...FM ____________ 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 7...

Page 19: ...W LEAD FROM THE ULTRA AIRE 70H TO CONTACT THE RED LEAD OR THE WHITE LEAD FROM THE ULTRA AIRE 70H OR DAMAGE TO THE TRANSFORMERS WILL RESULT DO NOT CONNECT THE WHITE WIRE TO THE CONTROL IF THE OPTIONAL DAMPER IS NOT USED OR DAMAGE TO THE TRANSFORMER WILL RESULT Control Connections The control and the control wires leaving the Ultra Aire 70H are numbered and color coded to prevent confusion Depending...

Page 20: ...VAC power transformer neutral side common with red Yellow Transformer high side Five Color Coded Wires Control Operation Unit ON Make contact between yellow and blue wires Unit OFF 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 This low ...

Page 21: ...y from the unit Then pull up to disengange the door from the slot Step 2 Remove the filter by gently pulling 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 Replace filter door ensuring the opening is fully covered Side View Return Filter ter Top View Side View Magnetic Strip Optional...

Page 22: ...idential 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 Buil...

Page 23: ...be repaired and 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 SERVICE Service Parts List Item Part No Description 1 4029567 Compressor 2 4029568 Compressor Overload 3 4022484 Compressor Relay 4 4033032 03 Run Capacitor 5 4...

Page 24: ...res 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 A...

Page 25: ...rees 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: ...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 27: ......

Page 28: ...1 800 533 7533 www Ultra Aire com ...

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