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Installation Instructions
INSTALLATION BY A HVAC PROFESSIONAL IS RECOMMENDED
The Ultra-Aire SD12 is a split system dehumidifier with sensible cooling
that is integrated into the heating and cooling system to provide the
ultimate in comfort, health and property protection through:
• Dehumidification
• Sensible Cooling
• Fresh Air Ventilation (Optional)
• Air Filtration
The two-piece design allows the sensible heat load generated from
dehumidifying the house to be released in the outside condensing unit,
thus eliminating additional cooling and reducing air conditioner run time.
HVAC Installer: Please Leave Manual for Homeowner
P/N: 4033170
Serial No.:
Sold by:
YEAR
FULL WARRANTY
YEAR
FULL WARRANTY
Install Date:
TS-712 5/18 Rev D
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Summary of Contents for Ultra-Aire SD12
- Page 1 Installation Instructions INSTALLATION BY A HVAC PROFESSIONAL IS RECOMMENDED The Ultra-Aire SD12 is a split system dehumidifier with sensible cooling that is integrated into the heating and cooling system to provide the ultimate in comfort, health and property protection through: •...
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Page 2: Table Of Contents
MERV Rating Chart ................30 Service ..................31 Troubleshooting ................... 32 Warranty ..................35 Ultra-Aire is committed to manufacturing quality products. To maintain our standards, product specifications may change without notice. 4201 Lien Road, Madison, WI 53704 (800) 533-7533 www.Thermastor.com | www.Ultra-Aire.com ©... -
Page 3: Safety Instructions
THIS SYMBOL MEANS IMPORTANT INSTRUCTIONS. FAILURE TO HEED THEM CAN RESULT IN INJURY OR MATERIAL PROPERTY DAMAGE. Registrations The Ultra-Aire SD12 conforms to unified standard UL 474 and CSA Standard C22.2 No. 92. WARNING! 120 VOLTS MAY CAUSE SERIOUS INJURY FROM ELECTRIC SHOCK. DISCONNECT ELECTRICAL POWER BEFORE STARTING INSTALLATION OR SERVICING, AND LEAVE POWER DISCONNECTED UNTIL INSTALLATION OR SERVICE IS COMPLETED. -
Page 4: Specifications
Maximum Fuse / Breaker: 20 Amps Refrigerant Type: R410A Refrigerant Amount: 36 oz. Operating Range: 40°F Min, 115°F Max Dimensions: 10”W x 25.5”H x 33”L - 75 lbs. SIDE VIEW FRONT VIEW Power Cord: Hard-Wired Ultra-Aire SD12 Installation Instructions www.Ultra-Aire.com | (800) 533-7533... -
Page 5: Optional Accessories
10" Flex Insulated Duct 25' 4028399 10" Oval to Round Adapter Items Included in Box: • Ultra-Aire SD12 Dehumidifier • Ultra-Aire SD12 Condensing Unit • Ultra-Aire SD12 Installation Instructions • Ultra-Aire SD12 Leveling Feet www.Ultra-Aire.com | (800) 533-7533 Ultra-Aire SD12 Installation Instructions... -
Page 6: Dehumidifier Set Up
DO NOT hang the 41 1/2" dehumidifier from its cabinet. With Collars Installed • Allow for proper routing and drainage 37 3/4" of needed drain pipes. Without Collars Installed Ultra-Aire SD12 Installation Instructions www.Ultra-Aire.com | (800) 533-7533... -
Page 7: Condensing Unit Set Up
5.62 19.69 5.62 9.88 IN required by the unit. • Install the condensing unit with space to access the top and side panels for maintenance and service. 23.63 IN www.Ultra-Aire.com | (800) 533-7533 Ultra-Aire SD12 Installation Instructions... -
Page 8: Attaching Duct Collars
Adhere seal onto the back of the oval duct and mount the duct to the front of the dehumidifier using the screws provided. 6" Fresh Air Inlet (Optional) 10" Return Air Inlet 10" Supply Air Outlet Collars and hardware are SIDE VIEW FRONT VIEW located here. Ultra-Aire SD12 Installation Instructions www.Ultra-Aire.com | (800) 533-7533... -
Page 9: Dehumidifier Electrical Requirements
National Electric Code (C.E.C. in Canada) and any applicable local codes or ordinances. Ultra-Aire offers a variety of control devices for use with the Ultra-Aire SD12. The control is to be located remotely from the dehumidifier and placed in the space to be conditioned. A low voltage (24 Volt) control MUST be used with the Ultra-Aire SD12 and MUST be connected with low voltage (18-22 gauge) thermostat wire. -
Page 10: Condensing Unit Electrical Requirements
115 VAC FROM DEHU. LINE NEUTRAL on the dehumidifier to terminal 1 and N for “24VAC SIGNAL FROM DEHU” on the condensing unit.” COND. RELAY COIL CAP. COND. RELAY COMPRESSOR BLOWER 4033179 CAP. Ultra-Aire SD12 Installation Instructions www.Ultra-Aire.com | (800) 533-7533... -
Page 11: Condensing Unit & Dehumidifier Wiring
CONDENSING UNIT & DEHUMIDIFIER WIRING 24VAC SIGNAL FROM DEHU. 115 VAC LINE NEUTRAL COND. RELAY COIL CAP. COND. RELAY COMPRESSOR BLOWER CAP. www.Ultra-Aire.com | (800) 533-7533 Ultra-Aire SD12 Installation Instructions... -
Page 12: Line Set Installation
LINE TO THE VAPOR LINE. STRAPPING MATERIAL (AROUND FLOOR JOIST OR VAPOR LINE ONLY) FLOOR JOIST OR ROOF RAFTER ROOF RAFTER TAPE OR WIRE TIRE 8 FEET NON-CORROSIVE METAL SLEEVE TAPE OR WIRE TIRE Ultra-Aire SD12 Installation Instructions www.Ultra-Aire.com | (800) 533-7533... - Page 13 30 feet. condensing unit is greater than 16 feet, an oil trap should be created in the line set. 30 FT CONDENSING UNIT OIL TRAP 30 FT DEHUMIDIFIER www.Ultra-Aire.com | (800) 533-7533 Ultra-Aire SD12 Installation Instructions...
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Page 14: Brazing The Line Set
Note: There is a service port inside the dehumidifier (on the gas line) and both stub tubes of condensing unit. These service ports can be used to introduce and release nitrogen during brazing. Ultra-Aire SD12 Installation Instructions www.Ultra-Aire.com | (800) 533-7533... -
Page 15: Brazing The Line Set
VALVE ROD CAPS condensing unit to protect them VALVE STEMS from heat damage. The service 2-WAY VALVE 3-WAY VALVE valve cap and core should be removed before brazing near stub tubes. www.Ultra-Aire.com | (800) 533-7533 Ultra-Aire SD12 Installation Instructions... -
Page 16: Leak Test Line Set And Dehumidifier
11. After leak testing is complete, disconnect the dry nitrogen cylinder from the center port of the manifold gauge set and disconnect the high pressure hose of the manifold gauge set from the suction gas line service port. Ultra-Aire SD12 Installation Instructions www.Ultra-Aire.com | (800) 533-7533... -
Page 17: Evacuating The Line Set And The Dehumidifier
17. Remove the vacuum pump from the center port of the manifold RECOMMEND gauge set and proceed to the MINIMUM 3/8” HOSE next section to charge the sys- tem. TO LIQUID SERVICE VALVE www.Ultra-Aire.com | (800) 533-7533 Ultra-Aire SD12 Installation Instructions... -
Page 18: Charging The System
12. Install the caps on the service ports of the liquid and gas line stubs finger tight, then tighten an additional 1/6 turn. Check the service port caps for leakage – reinstall if necessary. HIGH OUTDOOR MANIFOLD UNIT GAUGE SET TO VAPOR SERVICE VALVE HFC-410A RECOMMEND MINIMUM 3/8” HOSE Ultra-Aire SD12 Installation Instructions www.Ultra-Aire.com | (800) 533-7533... -
Page 19: Drain Installation
1" per 10'. Drain An optional condensate pump kit is available for use with the Ultra-Aire SD12 and may be installed if lift is Port 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. -
Page 20: Ducting To Hvac Systems
Duct the supply of the unit to the air supply of the existing HVAC system. Connect an insulated duct from outside to the 6" collar of the Ultra-Aire SD12 to provide fresh make-up air. Adjust the damper in the duct to provide the desired amount of fresh air. -
Page 21: Recommended Hvac System Installations
(optional). • Duct the supply of the Ultra-Aire SD12 to the supply 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 SD12, it is possible to select one to disconnect from the existing HVAC system and use it for the dedicated Ultra-Aire SD12 return. -
Page 22: Alternative Hvac System Installations
DUCTING TO HVAC SYSTEMS Alternative HVAC System Installations If the Recommended Dedicated 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. -
Page 23: Recommended Multiple Hvac Systems Installation
DUCTING TO HVAC SYSTEMS Recommended Multiple HVAC Systems Installation The Ultra-Aire SD12 can be installed on multiple HVAC systems. Dehumidified air will be provided to both HVAC systems for distribution throughout the structure. • Backdraft dampers are required in the supply ducts. -
Page 24: No Existing Ductwork Installation
DUCTING TO HVAC SYSTEMS No Existing Ductwork Installation When installing the Ultra-Aire SD12 in a structure that does not have a forced air HVAC system, a single return for the Ultra Aire SD12 should be installed in a central location. -
Page 25: Fresh Air Ventilation
Fresh air may be brought into the structure by connecting an insulated duct from outside the structure to the 6" inlet of the Ultra-Aire SD12. A ventilation control is needed to program the time and frequency that the unit introduces outside air. The time and frequency of ventilation should be based on the size and occupancy of the residence. -
Page 26: Determine Ventilation Requirements
501 - 1000 1001 - 1500 1501 - 2000 2001 - 2500 2501 - 3000 3001 - 3500 3501 - 4000 4001 - 4500 Table 4.1 from ASHRAE 62.2-2016 Record the required CFM ____________ Ultra-Aire SD12 Installation Instructions www.Ultra-Aire.com | (800) 533-7533... -
Page 27: Controls
CONTROLS A control must be used with the Ultra-Aire SD12. Ultra-Aire offers the DEH 3000 proprietary control. The DEH 3000 allows homeowners to monitor and control relative humidity and proper ventilation levels in their home. This control is also available with a remote sensing option. - Page 28 Make contact between 24V and FAN terminals Power HVAC Accessory Connect the accessory to the DMPR (or COM) and 24V terminals NOTE: 18 gauge wire needed between the Ultra-Aire SD12 dehumidifier and the external control. Ultra-Aire SD12 Installation Instructions www.Ultra-Aire.com | (800) 533-7533...
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Page 29: Air Filtration
AIR FILTRATION The Ultra-Aire SD12 is equipped with a MERV-13 filter. An optional MERV-11, MERV-14 filter and MERV-14 filter housing is available at www.ThermastorFilters.com. The filter should be checked and replaced every three to six months. Operating the unit with a dirty filter will reduce dehumidifier capacity and efficiency. -
Page 30: Merv Rating Chart
Residential Sanding Dust <20% 65-70% Spray Paint Dust Electrostatic - Self charging Textile Fibers Window A/C Units woven panel filter. <20% <65% Carpet Fibers Table Data Source: United States Environmental Protection Agency Ultra-Aire SD12 Installation Instructions www.Ultra-Aire.com | (800) 533-7533... -
Page 31: Service
To obtain internal access you must use a 5/16" nut driver. Refrigerant Charging WARNING! SERVICING THE ULTRA-AIRE SD12 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. SERVICE MUST BE PERFORMED BY A QUALIFIED SERVICE TECHNICIAN. -
Page 32: Troubleshooting
Disconnect when complete. flow restricted. 9. If this test works, then the field control wiring 6. Defective fan or relay. is ok. 10. If the problem persists, then the control is most likely faulty. Ultra-Aire SD12 Installation Instructions www.Ultra-Aire.com | (800) 533-7533... - Page 33 7. Collecting the water removed in a 24 hour period 8. Defective compressor. will give a measurement of performance. 9. Restrictive ducting. www.Ultra-Aire.com | (800) 533-7533 Ultra-Aire SD12 Installation Instructions...
- Page 34 Ultra-Aire SD12 Installation Instructions www.Ultra-Aire.com | (800) 533-7533...
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Page 35: Warranty
WARRANTY Limited Warranty. Therma-Stor, LLC (“Therma-Stor”) warrants as follows: (i) the Ultra-Aire SD12 dehumidifier (“Product”) will be free of material defects in workmanship or materials for a period of two (2) years (“Two-Year Warranty”) following the date of initial purchase of such Product by an original customer purchasing from Therma-Stor or an authorized reseller (“Customer”); and (ii) the Product’s components will be free of material defects in workmanship or materials for a period of six (6) years following the... - Page 36 (800) 533-7533 www.Ultra-Aire.com...