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Installation Instructions
INSTALLATION BY A HVAC PROFESSIONAL IS RECOMMENDED
The Envirowise XT155H 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
HVAC Installer: Please Leave Manual for Homeowner
P/N: EDHUM155
Serial No.:
Installing Dealer:
Install Date:
TS-978 9/18 Rev A
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Table of Contents
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Summary of Contents for Envirowise XT155H
- Page 1 Installation Instructions INSTALLATION BY A HVAC PROFESSIONAL IS RECOMMENDED The Envirowise XT155H 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 •...
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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 XT155H Dehumidifier • Envirowise XT155H Installation Instructions • Envirowise XT155H 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 XT155H conforms to unified standard UL 60335-2-40 and CSA standard C22.2.60335-2-40. WARNING! 120 VOLTS MAY CAUSE SERIOUS INJURY FROM ELECTRIC SHOCK. -
Page 4: Specifications
20 1/4" 25" Height: 21 3/4" 21 3/4" 28" Length: 41 1/2" 37 3/4" 42" Weight: 140 lbs. 139 lbs. 162 lbs. 41 1/2” 37 3/4” 20 1/4” 20 1/4” FRONT VIEW SIDE VIEW BACK VIEW Envirowise XT155H Installation Instructions... -
Page 5: General Set Up
• DO NOT place the dehumidifier directly on structural building members without vibration absorbers or unwanted noise may result. Place the Envirowise XT155H on supports to raise the base of the unit. • A drain pan with a float switch MUST be placed under the dehumidifier if installed above a living area or above an area where water leakage could cause damage. -
Page 6: 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 XT155H Installation Instructions... -
Page 7: Electrical Requirements
Consult local electrical codes for further information. Envirowise offers a variety of control devices for use with the Envirowise XT155H. 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 XT155H and MUST be connected with low voltage (18-22 gauge) thermostat wire. -
Page 8: Drain Installation
1" per 10'. An optional condensate pump kit is available for use with the Envirowise XT155H and may be installed if lift is required to dispose of condensate. Condensate is automatically pumped to a remote location when the Drain water level in the pump’s reservoir rises to close the float switch. -
Page 9: Ducting To Hvac Systems
Ducting to HVAC Systems The recommended installation creates a separate return for the Envirowise XT155H in a central area of the structure. Duct the supply of the unit to the air return of the existing HVAC system. Connect an insulated duct from outside to the 6"... -
Page 10: Recommended Hvac System Installations
• Install an insulated duct from outside to the 6" collar of the Envirowise XT155H to provide fresh air ventilation (optional). • Duct the supply of the Envirowise XT155H to the return side of the existing HVAC system with a backdraft damper. HVAC system interlock is recommended. - Page 11 HVAC Return Backdraft Damper Fresh Air Intake Motorized Envirowise (Optional) Damper Supply CAUTION! DO NOT CONNECT WITH A STATIC PRESSURE GREATER THAN OR EQUAL TO +0.5 WG. CONTACT TECHNICAL SUPPORT AT (800) 533-7533 FOR ADDITIONAL DETAILS. Envirowise XT155H Installation Instructions...
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Page 12: No Existing Ductwork Installation
GENERAL SET UP No Existing Ductwork Installation When installing the Envirowise XT155H in a structure that does not have a forced air HVAC system, a single return for the Envirowise XT155H should be installed in a central location. Install an insulated duct from outside to the 6" collar of the Envirowise XT155H to provide fresh air ventilation (optional). -
Page 13: Fresh Air Ventilation
The time and frequency of ventilation should be based on the size and occupancy of the residence (see table on next page). • The fresh air ventilation duct should be connected to the 6" round collar on the front of the Envirowise XT155H. -
Page 14: Determine Ventilation Requirements
Number of Bedrooms Floor Area < 500 501 - 1000 1001 - 1500 1501 - 2000 2001 - 2500 2501 - 3000 3001 - 3500 3501 - 4000 Table 4.1 from ASHRAE 62.2-2016 Record the required CFM ____________ Envirowise XT155H Installation Instructions... -
Page 15: Controls
CONTROLS A control must be used with the Envirowise XT155H. Nexia Connected Controls, like the 824, 850 and 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 XT155H connects to Nexia Controls. - Page 16 CONTROLS A control must be used with the Envirowise XT155H. 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 17 Compressor OFF / Fan ON 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 Envirowise XT155H dehumidifier and the external control. Envirowise XT155H Installation Instructions...
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Page 18: Filter Instructions
FILTER INSTRUCTIONS The Envirowise XT155H is equipped with a MERV-11 air filter. A MERV-14 filter and filter housing are available as an optional accessory. Contact your installing contractor for more information. DO NOT operate the unit without the standard MERV-11 filter. Operating the unit with no filter in place will damage the coil and may void the factory warranty. -
Page 19: Optional Accessories
E4037885 MERV-11 Filters 12-Pack E4037887 MERV-14 Filter Housing E4037891 MERV-14 Filters 3-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 XT155H Installation Instructions... -
Page 20: 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 XT155H Installation Instructions... - Page 21 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 XT155H Installation Instructions...
- Page 22 4. Loose or missing wire 2. Look for short in control wiring. to the DEHU Terminal on the unit. 3. Check wire connections at control and unit. 5. Humidity control 4. Reset circuit breaker button on dehumidifier. defective. Envirowise XT155H Installation Instructions...
- Page 23 Envirowise XT155H Installation Instructions...
- Page 24 Ingersoll Rand (NYSE:IR) advances the quality of life by creating comfortable, sustainable and effi cient environments. Our people and our family of brands—including Club Car®, Ingersoll Rand®, Thermo King® and Trane®—work together to enhance the quality and comfort of air in homes and buildings; transport and protect food and perishables; and increase industrial productivity and effi...
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