Installation Guide
Page 1
... Installer: Please leave manual for homeowner. ® U.S. The 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 the optional EARD6 damper. Fresh Air Ventilation (optional...is further enhanced 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 ventilation, and filtration, into a compact and easy to the unit and regulated ...
... Installer: Please leave manual for homeowner. ® U.S. The 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 the optional EARD6 damper. Fresh Air Ventilation (optional...is further enhanced 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 ventilation, and filtration, into a compact and easy to the unit and regulated ...
Installation Guide
Page 2
... Optional Fresh Air Intake 7 6. Proper adherence to obtain maximum benefit from your DH90 indoor air quality system. Setting the Ventilation Control 8 9. Wiring Diagrams 7 7. be installed INDOORS IN A SPACE THAT IS PROTECTED FROM RAIN AND FLOODING. • Install the... Precautions Read the installation, operation and maintenance instructions carefully before installing and operating this device. DH90 Dehumidifier • For HVAC Installer Only Table of Contents Introduction 1 Features & Benefits 1 Safety Precautions 2 1. Intended Application 3 2. Approvals 3...
... Optional Fresh Air Intake 7 6. Proper adherence to obtain maximum benefit from your DH90 indoor air quality system. Setting the Ventilation Control 8 9. Wiring Diagrams 7 7. be installed INDOORS IN A SPACE THAT IS PROTECTED FROM RAIN AND FLOODING. • Install the... Precautions Read the installation, operation and maintenance instructions carefully before installing and operating this device. DH90 Dehumidifier • For HVAC Installer Only Table of Contents Introduction 1 Features & Benefits 1 Safety Precautions 2 1. Intended Application 3 2. Approvals 3...
Installation Guide
Page 3
... on extreme climates where Rh levels are between 70 and 90% outdoor Rh. For less extreme climates then larger homes can be reviewed. Dehumidifier Capacity Required to raise the base of locations to meet UL 474 and CSA 22.2 No. 92. 3. Intended Application for DH90 The ...°F, 60% RH Inlet air temperature range: 55°F min., 100°F max. The DH90 may result in residential applications to the device or the controls. Actual requirements may result. R22 Duct Connections: Round 10" inlet, 10" outlet, 6" ventilation inlet Filter Size: Pleated Merv 11: 14" x 14" x 1" ...
... on extreme climates where Rh levels are between 70 and 90% outdoor Rh. For less extreme climates then larger homes can be reviewed. Dehumidifier Capacity Required to raise the base of locations to meet UL 474 and CSA 22.2 No. 92. 3. Intended Application for DH90 The ...°F, 60% RH Inlet air temperature range: 55°F min., 100°F max. The DH90 may result in residential applications to the device or the controls. Actual requirements may result. R22 Duct Connections: Round 10" inlet, 10" outlet, 6" ventilation inlet Filter Size: Pleated Merv 11: 14" x 14" x 1" ...
Installation Guide
Page 4
...from a basement that will carry away the excess water. FRESH AIR INTAKE W8150 CONTROLLER EARD6 MOTORIZED DAMPER INDOOR AIR RETURN Figure 2: Ducting from the kitchen, laundry, or isolated basement. DH90 Dehumidifier • For HVAC Installer Only The DH90 plugs into the system's return....from the ventilation duct opening. EARD6 MOTORIZED DAMPER FRESH AIR INTAKE W8150 HEATING AND CONTROLLER A/C UNIT SUPPLY AIR SUPPLY AIR INDOOR AIR RETURN DUCTING TO ISOLATED AREAS M24206 DEHUMIDIFIER ATTIC INSTALLATION INDOOR AIR SUPPLY M23798 All flexible ducting connected to the DH90 ...
...from a basement that will carry away the excess water. FRESH AIR INTAKE W8150 CONTROLLER EARD6 MOTORIZED DAMPER INDOOR AIR RETURN Figure 2: Ducting from the kitchen, laundry, or isolated basement. DH90 Dehumidifier • For HVAC Installer Only The DH90 plugs into the system's return....from the ventilation duct opening. EARD6 MOTORIZED DAMPER FRESH AIR INTAKE W8150 HEATING AND CONTROLLER A/C UNIT SUPPLY AIR SUPPLY AIR INDOOR AIR RETURN DUCTING TO ISOLATED AREAS M24206 DEHUMIDIFIER ATTIC INSTALLATION INDOOR AIR SUPPLY M23798 All flexible ducting connected to the DH90 ...
Installation Guide
Page 5
... air is filtered before entering if the DH90 is important to isolated, stagnant air flow areas. Large quantities of outside air will be dehumidified before entering the building. 2. The amount of outside air can be brought into the structure by the blade damper in dehumidification mode. ... ducting be connected to provide airflow from entering elsewhere. Connect a duct from outside air duct should be branched to ensure even humidity control throughout the structure. 4.4B Ducting for the DH90 in the bathrooms and kitchen. Proper air distribution is running in the 6" collar....
... air is filtered before entering if the DH90 is important to isolated, stagnant air flow areas. Large quantities of outside air will be dehumidified before entering the building. 2. The amount of outside air can be brought into the structure by the blade damper in dehumidification mode. ... ducting be connected to provide airflow from entering elsewhere. Connect a duct from outside air duct should be branched to ensure even humidity control throughout the structure. 4.4B Ducting for the DH90 in the bathrooms and kitchen. Proper air distribution is running in the 6" collar....
Installation Guide
Page 6
By ducting this way, the air inside the structure will not dehumidify until this switch opens the compressor control circuit and stops water production before the catch pan overflows. Connect an insulated duct from a central location in the structure in ...from the existing forced air system and use it is recommended for the dedicated DH90 return. DH90 Dehumidifier • For HVAC Installer Only FRESH AIR INTAKE EARD6 MOTORIZED DAMPER INDOOR AIR RETURN W8150 CONTROLLER HEATING AND A/C UNIT SUPPLY AIR INDOOR AIR SUPPLY INDOOR AIR RETURN Figure 4: Attic Installation. Instead...
By ducting this way, the air inside the structure will not dehumidify until this switch opens the compressor control circuit and stops water production before the catch pan overflows. Connect an insulated duct from a central location in the structure in ...from the existing forced air system and use it is recommended for the dedicated DH90 return. DH90 Dehumidifier • For HVAC Installer Only FRESH AIR INTAKE EARD6 MOTORIZED DAMPER INDOOR AIR RETURN W8150 CONTROLLER HEATING AND A/C UNIT SUPPLY AIR INDOOR AIR SUPPLY INDOOR AIR RETURN Figure 4: Attic Installation. Instead...
Installation Guide
Page 7
...Fresh Air Intake Check and clean the screen on the defrost control. Operating the unit 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 ... DH90 is recommended to reduce noise transmitted to cycle off and on unnecessarily on the outdoor fresh air intake port seasonally. DEHUMIDIFIER AND FAN OPERATION GREEN - FAN OPERATION ONLY REMOTE Humidity Control Régulateur d'humidité OUTDOOR TEMPERATURE -20 F -10 F 0 F +10 F +20 F Over 20 F -30 C -25 ...
...Fresh Air Intake Check and clean the screen on the defrost control. Operating the unit 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 ... DH90 is recommended to reduce noise transmitted to cycle off and on unnecessarily on the outdoor fresh air intake port seasonally. DEHUMIDIFIER AND FAN OPERATION GREEN - FAN OPERATION ONLY REMOTE Humidity Control Régulateur d'humidité OUTDOOR TEMPERATURE -20 F -10 F 0 F +10 F +20 F Over 20 F -30 C -25 ...
Installation Guide
Page 8
...dial to the nearest value. • For airflow, set the bedrooms dial to 5 (this control. • For homes with multiple systems: Honeywell recommends a ventilation control and fresh air intake for each system. ft.) Record settings above Para español ver ...(sq. There is flashing. See Troubleshooting section. 7. Part Number DH90A1007 DH90A1015 EARD6 50018994-001 50018995-001 H8908C1000 YTH9421C1002 Description 90-Pint Dehumidifier with H8908C Manual Dehumidistat Control 90-Pint Dehumidifier with YTH9421 VisionPRO® IAQ Total Home Comfort Thermostat with Auto/Manual ...
...dial to the nearest value. • For airflow, set the bedrooms dial to 5 (this control. • For homes with multiple systems: Honeywell recommends a ventilation control and fresh air intake for each system. ft.) Record settings above Para español ver ...(sq. There is flashing. See Troubleshooting section. 7. Part Number DH90A1007 DH90A1015 EARD6 50018994-001 50018995-001 H8908C1000 YTH9421C1002 Description 90-Pint Dehumidifier with H8908C Manual Dehumidistat Control 90-Pint Dehumidifier with YTH9421 VisionPRO® IAQ Total Home Comfort Thermostat with Auto/Manual ...
Installation Guide
Page 9
...fan runs when there is a call for dehumidification and the ventilation control is OFF. 1. For HVAC Installer Only • Installation Guide 9. Humidity control set too high or defective. 3. Bad connection in internal or control wiring. 4. Defrost thermostat open . No dehumidification, compressor ...does not run capacitor. 2. Optional Condensate Pump Safety Switch open . 6. Low pressure control open . Defective compressor. 5. Optional Condensate Pump Safety Switch open . 7. Service CAUTION: Servicing the DH90 with fan ...
...fan runs when there is a call for dehumidification and the ventilation control is OFF. 1. For HVAC Installer Only • Installation Guide 9. Humidity control set too high or defective. 3. Bad connection in internal or control wiring. 4. Defrost thermostat open . No dehumidification, compressor ...does not run capacitor. 2. Optional Condensate Pump Safety Switch open . 6. Low pressure control open . Defective compressor. 5. Optional Condensate Pump Safety Switch open . 7. Service CAUTION: Servicing the DH90 with fan ...
Installation Guide
Page 10
... 3. Low refrigerant charge. 7. the compressor and impeller fan should run . 4. Turn on the humidity control; If these tests work , the problem is working properly. DH90 Dehumidifier • For HVAC Installer Only Fan runs when there is a call for problems next. 5. Low refrigerant... charge, causing defrost control to cycle through defrost mode. 2. Bad connection in the field control wiring. 10 Evaporator coil frosted continuously, low dehumidifying capacity. 1. Clean outside intake hood. Unit has entered defrost cycle. 4. only...
... 3. Low refrigerant charge. 7. the compressor and impeller fan should run . 4. Turn on the humidity control; If these tests work , the problem is working properly. DH90 Dehumidifier • For HVAC Installer Only Fan runs when there is a call for problems next. 5. Low refrigerant... charge, causing defrost control to cycle through defrost mode. 2. Bad connection in the field control wiring. 10 Evaporator coil frosted continuously, low dehumidifying capacity. 1. Clean outside intake hood. Unit has entered defrost cycle. 4. only...
Installation Guide
Page 12
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 normal use and service, for a... 1-800-4681502. In Canada, write Retail Products ON15-02H, Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9. Automation and Control Solutions Honeywell International Inc. 1985 Douglas Drive North Golden Valley, MN 55422 http://yourhome.honeywell.com Honeywell Limited/Honeywell Limitée 35 Dynamic Drive Toronto, Ontario M1V 4Z9 Thank...
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 normal use and service, for a... 1-800-4681502. In Canada, write Retail Products ON15-02H, Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9. Automation and Control Solutions Honeywell International Inc. 1985 Douglas Drive North Golden Valley, MN 55422 http://yourhome.honeywell.com Honeywell Limited/Honeywell Limitée 35 Dynamic Drive Toronto, Ontario M1V 4Z9 Thank...