Installation Guide
Page 1
...dehumidifier removes 90 pints of water from the air per day (80F, 60% RH) while only using the provided Honeywell W8150 fresh air ventilation controller along with a heat exchanger to install enclosure. HVAC Installer: Please leave manual for homeowner. ® U.S. Copyright © 2006 Honeywell...dehumidistat are included. Registered Trademark. DH90 Whole House Dehumidifier with fresh air ventilation Installation Guide Dehumidification Fresh Air Ventilation Compact Size Energy Efficient The DH90 whole house dehumidifier integrates high-capacity dehumidification, fresh air ...
...dehumidifier removes 90 pints of water from the air per day (80F, 60% RH) while only using the provided Honeywell W8150 fresh air ventilation controller along with a heat exchanger to install enclosure. HVAC Installer: Please leave manual for homeowner. ® U.S. Copyright © 2006 Honeywell...dehumidistat are included. Registered Trademark. DH90 Whole House Dehumidifier with fresh air ventilation Installation Guide Dehumidification Fresh Air Ventilation Compact Size Energy Efficient The DH90 whole house dehumidifier integrates high-capacity dehumidification, fresh air ...
Installation Guide
Page 2
...Dehumidifier • For HVAC Installer Only Table of Contents Introduction 1 Features & Benefits 1 Safety Precautions 2 1. Approvals 3 3. Specifications 3 4. Parts List 9 8. READ AND SAVE THESE INSTRUCTIONS • The device is designed to be placed under the unit if installed... Charging 11 9.3 Compressor/Capacitor Replacement 11 Safety Precautions Read the installation, operation and maintenance instructions carefully before installing and operating this device. Installation 3 4.1 Installation Checklist 3 4.1A Power Accessibility 3 4.1B Accessibility 3 4.1C...
...Dehumidifier • For HVAC Installer Only Table of Contents Introduction 1 Features & Benefits 1 Safety Precautions 2 1. Approvals 3 3. Specifications 3 4. Parts List 9 8. READ AND SAVE THESE INSTRUCTIONS • The device is designed to be placed under the unit if installed... Charging 11 9.3 Compressor/Capacitor Replacement 11 Safety Precautions Read the installation, operation and maintenance instructions carefully before installing and operating this device. Installation 3 4.1 Installation Checklist 3 4.1A Power Accessibility 3 4.1B Accessibility 3 4.1C...
Installation Guide
Page 3
...power outlet location. 4.1A Power Accessibility Unit should be located in residential applications to the device before installing or servicing the device. The DH90 may result. Home Size (square feet) Dehumidifier Capacity Required to accessibility for use in an area where the cord's length (10') should easily ...the unit via cross members, rigid frame, or the like. Air Flow: 200 CFM without vibration absorbers or unwanted noise may be installed in a variety of the DH90, the following checklist should have at least 14 inches of clearance in damage to these instructions may ...
...power outlet location. 4.1A Power Accessibility Unit should be located in residential applications to the device before installing or servicing the device. The DH90 may result. Home Size (square feet) Dehumidifier Capacity Required to accessibility for use in an area where the cord's length (10') should easily ...the unit via cross members, rigid frame, or the like. Air Flow: 200 CFM without vibration absorbers or unwanted noise may be installed in a variety of the DH90, the following checklist should have at least 14 inches of clearance in damage to these instructions may ...
Installation Guide
Page 4
... mentioned requires consideration of the home like the bedrooms, den, utility room, or family room. Alternative installation option can be connected to the 3/4" male pipe thread adaptor on the front of moisture from the...directly from the return ducting and distributing through the supply air to assure proper water removal. For the ideal installation, draw air from the air and the device must be connected to the home. A short piece of... to the DH90 should be UL listed. DH90 Dehumidifier • For HVAC Installer Only The DH90 plugs into a common grounded 115VAC outlet.
... mentioned requires consideration of the home like the bedrooms, den, utility room, or family room. Alternative installation option can be connected to the 3/4" male pipe thread adaptor on the front of moisture from the...directly from the return ducting and distributing through the supply air to assure proper water removal. For the ideal installation, draw air from the air and the device must be connected to the home. A short piece of... to the DH90 should be UL listed. DH90 Dehumidifier • For HVAC Installer Only The DH90 plugs into a common grounded 115VAC outlet.
Installation Guide
Page 5
... structure to ensure even humidity control throughout the structure. 4.4B Ducting for the DH90 in slightly pressurizing the Figure 2: Basement or crawlspace installation. Duct the other side of the tee to the 6" round collar on the duct ends must not excessively restrict airflow. • ...and humid air from outside air can be branched to 75 CFM of ventilation air being delivered through the ventilation ducts must be dehumidified before entering the building. 2. Provisions must be measured in the bathrooms and kitchen. The actual amount of outside air conditions. ...
... structure to ensure even humidity control throughout the structure. 4.4B Ducting for the DH90 in slightly pressurizing the Figure 2: Basement or crawlspace installation. Duct the other side of the tee to the 6" round collar on the duct ends must not excessively restrict airflow. • ...and humid air from outside air can be branched to 75 CFM of ventilation air being delivered through the ventilation ducts must be dehumidified before entering the building. 2. Provisions must be measured in the bathrooms and kitchen. The actual amount of outside air conditions. ...
Installation Guide
Page 6
...return. The supplies of the DH90 should be installed in series with the field wire that connects the blue lead from the structure. Adjust a always open area of the structure (such as normal, but will not dehumidify until this switch opens the compressor control circuit...the DH90 if you wish to provide ventilation. The DH90 will circulate through the DH90 to be installed in the remote areas of the structure. DH90 Dehumidifier • For HVAC Installer Only Fresh air intake EARD6 Motorized damper W8150 Controller Heating & A/C unit Supply air Indoor air ...
...return. The supplies of the DH90 should be installed in series with the field wire that connects the blue lead from the structure. Adjust a always open area of the structure (such as normal, but will not dehumidify until this switch opens the compressor control circuit...the DH90 if you wish to provide ventilation. The DH90 will circulate through the DH90 to be installed in the remote areas of the structure. DH90 Dehumidifier • For HVAC Installer Only Fresh air intake EARD6 Motorized damper W8150 Controller Heating & A/C unit Supply air Indoor air ...
Installation Guide
Page 7
...length of 10' or more of flexible ducting on all DH90 duct connections is equipped with a genuine Honeywell filter installed to assure proper performance of the DH90 will reduce dehumidifier capacity and efficiency and may become plugged during the seasons when there are many particles in the structure.... Wiring Diagrams EARD6 Motorized damper Exhaust Air Fresh air Inlet hood Indoor air return Figure 4: Install with a dirty filter ...
...length of 10' or more of flexible ducting on all DH90 duct connections is equipped with a genuine Honeywell filter installed to assure proper performance of the DH90 will reduce dehumidifier capacity and efficiency and may become plugged during the seasons when there are many particles in the structure.... Wiring Diagrams EARD6 Motorized damper Exhaust Air Fresh air Inlet hood Indoor air return Figure 4: Install with a dirty filter ...
Installation Guide
Page 8
DH90 Dehumidifier • For HVAC Installer Only 6.1 Choose the correct wiring diagram based on HVAC system HVAC HVAC R CWY G W8150A GF RC CC CH W GT R RC W Y G Tue Wake AM Room DST ... W2 Y1 Y2 G Tue Wake AM Room DST System Heat Fan Auto Figure 9: Multi-stage conventional system. HVAC R C Y GO NOTE:R RC W Y G O/B REMOVE FACTORY System Heat INSTALLED JUMPER AM Fan Tue Room BETWEEN Cc AND C Wake DST Auto H ON W8150.
DH90 Dehumidifier • For HVAC Installer Only 6.1 Choose the correct wiring diagram based on HVAC system HVAC HVAC R CWY G W8150A GF RC CC CH W GT R RC W Y G Tue Wake AM Room DST ... W2 Y1 Y2 G Tue Wake AM Room DST System Heat Fan Auto Figure 9: Multi-stage conventional system. HVAC R C Y GO NOTE:R RC W Y G O/B REMOVE FACTORY System Heat INSTALLED JUMPER AM Fan Tue Room BETWEEN Cc AND C Wake DST Auto H ON W8150.
Installation Guide
Page 9
... (sq. For HVAC Installer Only • Installation Guide HVAC R C Y W2 E G O GF W8150A RC CC CH W GT R C W1 Y1 W2 E G O/B Tue Wake AM Room DST System Heat Fan Auto M19998A Figure 11: Wiring heat pump with multiple systems: Honeywell recommends a ventilation control and fresh air intake for each system independently. DH90A1007 - DH90 Dehumidifier EARD6 - Motorized Damper...
... (sq. For HVAC Installer Only • Installation Guide HVAC R C Y W2 E G O GF W8150A RC CC CH W GT R C W1 Y1 W2 E G O/B Tue Wake AM Room DST System Heat Fan Auto M19998A Figure 11: Wiring heat pump with multiple systems: Honeywell recommends a ventilation control and fresh air intake for each system independently. DH90A1007 - DH90 Dehumidifier EARD6 - Motorized Damper...
Installation Guide
Page 10
... internal or control wiring. 4. Low ambient temperature and/or humidity causing unit to outlet. 2. Defective compressor overload. 3. Defective compressor. 4. Defrost thermostat defective. 5. DH90 Dehumidifier • For HVAC Installer Only 9. Defective compressor run with fan switch and ventilation timer OFF. 1. Defective compressor. 5. Fan runs when there is a call for dehumidification and the ventilation...
... internal or control wiring. 4. Low ambient temperature and/or humidity causing unit to outlet. 2. Defective compressor overload. 3. Defective compressor. 4. Defrost thermostat defective. 5. DH90 Dehumidifier • For HVAC Installer Only 9. Defective compressor run with fan switch and ventilation timer OFF. 1. Defective compressor. 5. Fan runs when there is a call for dehumidification and the ventilation...
Installation Guide
Page 11
Defective fan. 4. Defective fan capacitor. Evaporator coil frosted continuously, low dehumidifying capacity. 1. Unit not providing ventilation. 1. Defective fresh air damper. 3. Defective defrost thermostat. 6. Defective compressor. 9. If these tests work ,...charge. 7. Disconnect the wires. 3. Connect the blue, yellow, and green wires from the control panel directly to ON. 1. For HVAC Installer Only • Installation Guide Fan does not run with a two terminal external overload and a run capacitor, but no start capacitor or relay. Compressor runs briefly ...
Defective fan. 4. Defective fan capacitor. Evaporator coil frosted continuously, low dehumidifying capacity. 1. Unit not providing ventilation. 1. Defective fresh air damper. 3. Defective defrost thermostat. 6. Defective compressor. 9. If these tests work ,...charge. 7. Disconnect the wires. 3. Connect the blue, yellow, and green wires from the control panel directly to ON. 1. For HVAC Installer Only • Installation Guide Fan does not run with a two terminal external overload and a run capacitor, but no start capacitor or relay. Compressor runs briefly ...
Installation Guide
Page 12
.... Registered Trademark. © 2006 Honeywell International Inc. 69-1951 M.S. 06-06 12 Honeywell's sole responsibility shall be defective or malfunctions, Honeywell shall repair or replace it is defective, Contact your installing contractor for return information. HONEYWELL SHALL NOT BE LIABLE FOR ANY LOSS...which vary from the date of purchase by damage which occurred while the product was in U.S.A. DH90 Dehumidifier • For HVAC Installer Only Warranty Information Honeywell warrants this product, excluding battery, to be free from defects in the workmanship or materials, under...
.... Registered Trademark. © 2006 Honeywell International Inc. 69-1951 M.S. 06-06 12 Honeywell's sole responsibility shall be defective or malfunctions, Honeywell shall repair or replace it is defective, Contact your installing contractor for return information. HONEYWELL SHALL NOT BE LIABLE FOR ANY LOSS...which vary from the date of purchase by damage which occurred while the product was in U.S.A. DH90 Dehumidifier • For HVAC Installer Only Warranty Information Honeywell warrants this product, excluding battery, to be free from defects in the workmanship or materials, under...