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Installation Instructions
INSTALLATION BY A HVAC PROFESSIONAL IS RECOMMENDED
The Envirowise SD12 is a split system dehumidifier with sensible cooling
that is integrated into the heating and cooling system to provide the
ultimate in comfort 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 requirements.
HVAC Installer: Please Leave Manual for Homeowner
P/N: EDHUMS12
Serial No.:
Installing Dealer:
Install Date:
TS-980 5/19 Rev A
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Summary of Contents for Envirowise SD12
- Page 1 Installation Instructions INSTALLATION BY A HVAC PROFESSIONAL IS RECOMMENDED The Envirowise SD12 is a split system dehumidifier with sensible cooling that is integrated into the heating and cooling system to provide the ultimate in comfort and property protection through: • Dehumidification •...
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Page 2: Table Of Contents
Ingersoll Rand is committed to manufacturing quality products. To maintain our standards, product specifications may change without notice. Ingersoll Rand, 6200 Troup Hwy. Tyler, TX 75707 Items Included in Box: • Envirowise SD12 Dehumidifier • Envirowise SD12 Condensing Unit • Envirowise SD12 Installation Instructions • Envirowise SD12 Leveling Feet... -
Page 3: Safety Instructions
THIS SYMBOL MEANS IMPORTANT INSTRUCTIONS. FAILURE TO HEED THEM CAN RESULT IN INJURY OR MATERIAL PROPERTY DAMAGE. Registrations The Envirowise 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
Minimum Circuit Ampacity: 20 Amps, Dedicated Maximum Fuse / Breaker: 20 Amps R410A Refrigerant Type: Refrigerant Amount: 36 oz. 40°F Min, 115°F Max Operating Range: 10”W x 25.5”H x 33”L - 75 lbs. Dimensions: SIDE VIEW FRONT VIEW Hard-Wired Power Cord: Envirowise SD12 Installation Instructions... -
Page 5: General Set Up
41 1/2" in its entirety. DO NOT hang the With Collars Installed dehumidifier from its cabinet. 37 3/4" Without Collars Installed • Allow for proper routing and drainage of needed drain pipes. Envirowise SD12 Installation Instructions... - Page 6 • Place the condensing unit where there is adequate space for the unit and the air 5.62" 19.69" 5.62" 9.88" required by the unit. • Install the condensing unit with space to access the top and side panels for maintenance and service. 23.63" Envirowise SD12 Installation Instructions...
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Page 7: 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. Envirowise SD12 Installation Instructions... -
Page 8: Electrical Requirements
National Electric Code (C.E.C. in Canada) and any applicable local codes or ordinances. Envirowise offers a variety of control devices for use with the Envirowise 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 Envirowise SD12 and MUST be connected with low voltage (18-22 gauge) thermostat wire. - Page 9 Condensing Unit Electrical Condensing Unit Wiring Diagram Control Connections: Connect the “24V TO COND” terminals on the dehumidifier to terminal 1 and N for “24VAC SIGNAL FROM DEHU” on the condensing unit.” Envirowise SD12 Installation Instructions...
- Page 10 GENERAL SET UP Electrical Requirements Condensing Unit and Dehumidifier Wiring Envirowise SD12 Installation Instructions...
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Page 11: Line Set Installation
VAPOR LINE ONLY) 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 Envirowise SD12 Installation Instructions... - Page 12 UNIT condensing unit is greater and condensing unit is 30 feet. than 16 feet, an oil trap should be created in the line set. 30 FT CONDENSING UNIT OIL TRAP 30 FT DEHUMIDIFIER Envirowise SD12 Installation Instructions...
- Page 13 PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. 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. Envirowise SD12 Installation Instructions...
- Page 14 VALVE ROD CAPS condensing unit to protect them VALVE STEMS from heat damage. The service 3-WAY VALVE 2-WAY VALVE valve cap and core should be removed before brazing near stub tubes. Envirowise SD12 Installation Instructions...
- Page 15 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. Envirowise SD12 Installation Instructions...
- Page 16 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 system. TO LIQUID SERVICE VALVE Envirowise SD12 Installation Instructions...
- Page 17 12. Install the caps on the service ports of the liquid and gas line stubs finger tight, then tighten 1/6 turn 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 Envirowise SD12 Installation Instructions...
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Page 18: Drain Installation
1" per 10'. An optional condensate pump kit is available for use with the Envirowise SD12 and may be installed if lift is 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 19: 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 Envirowise SD12 to provide fresh make-up air. Adjust the damper in the duct to provide the desired amount of fresh air. -
Page 20: Recommended Hvac System Installations
• Install an insulated duct from outside to the 6” collar of the Envirowise SD12 to provide fresh air ventilation (optional). • Duct the supply of the Envirowise SD12 to the return side of the existing HVAC system with a backdraft damper. HVAC system interlock is recommended. -
Page 21: No Existing Ductwork Installation
GENERAL SET UP No Existing Ductwork Installation When installing the Envirowise 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. Install an insulated duct from outside to the 6" collar of the Envirowise SD12 to provide fresh air ventilation (optional). -
Page 22: Fresh Air Ventilation
The time and frequency of ventilation should be based on the size and occupancy of the residence. • The fresh air ventilation duct should be connected to the 6" round collar on the front of the Envirowise SD12. -
Page 23: Determine Ventilation Requirements
< 500 501 - 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 ____________ Envirowise SD12 Installation Instructions... -
Page 24: Controls
1050, have built-in dehumidification software that allows homeowners to monitor and control relative humidity and proper ventilation levels in their home. Nexia Controls are available from your installing contractor. The diagrams below show how the SD12 connects to Nexia Controls. ENVIROWISE SD12... - Page 25 CONTROLS A control must be used with the Envirowise SD12. Envirowise offers the D30 proprietary control. The D30 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 26 Compressor OFF / Fan ON Make contact between 24V and FAN terminals Power HVAC Accessory Connect the accessory to the COM and 24V terminals NOTE: 18 gauge wire needed between the Envirowise SD12 dehumidifier and the external control. Envirowise SD12 Installation Instructions...
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Page 27: Filter Instructions
MAKE SURE UNIT IS OFF BEFORE CHANGING THE FILTER. Changing the Filter For greatest filtration and efficiency of the Envirowise SD12, it is recommended the air filter be replaced every three to six months with a MERV-11 filter. Step 1: The filter door is attached to the cabinet by three hinges. Release the latch from the cabinet by pulling it towards the front of the unit. -
Page 28: Optional Accessories
D30 Control W/ Remote E4037878 MERV-11 Filters 4-Pack E4037885 MERV-11 Filters 12-Pack E4037905 Pump Kit E4037872 Hang Kit E4037861 6" Motorized Damper E4037907 6" Inlet Hood E4037865 10" Gravity Damper E4037867 10" Oval to Round Adapter Envirowise SD12 Installation Instructions... -
Page 29: Service
5. Dirty air filter(s) or air 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. Envirowise SD12 Installation Instructions... - Page 30 7. Air leak such as loose dehumidifier will produce little to no water.) cover or ducting leaks. 7. Collecting the water removed in a 24 hour period 8. Defective compressor. will give a measurement of performance. 9. Restrictive ducting. Envirowise SD12 Installation Instructions...
- Page 31 SERVICE Troubleshooting (Continued) CAUTION! TROUBLESHOOTING SHOULD BE PERFORMED BY A QUALIFIED HVAC TECHNICIAN. Symptom Possible Reason Troubleshooting Procedure Control not 1. No power to WARNING! powering dehumidifier. dehumidifier. 2. 24 volt circuit breaker ELECTRICAL SHOCK HAZARD: ELECTRICAL POWER MUST BE PRESENT tripped or faulty TO PERFORM SOME TESTS.
- Page 32 Supersedes (NEW) ©2018 Ingersoll Rand | all rights reserved Envirowise and Nexia are trademarks of Trane in the United States and other countries. Energy Star is a trademark of the U.S. Environmental Protection Agency. ASHRAE is a trademark of the American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Inc.
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