Honeywell DH90- Manuals

Page 2 - Table of Contents; D Installation in an Attic with; Safety Precautions; from your DH90 indoor air quality system.; READ AND SAVE THESE INSTRUCTIONS; FROM RAIN AND FLOODING.

DH90 Dehumidifier • For HVAC Installer Only Table of Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . 1 Features & Benefits . . . . . . . . . . . . . . . . . 1 Safety Precautions . . . . . . . . . . . . . . . . . . 2 1. Intended Application . . . . . . . . . . . . . . . . 3 2....

Page 3 - Intended Application for DH90; Installation Checklist; Dehumidifier Capacity Required to; Home Size; Rh

For HVAC Installer Only • Installation Guide 1. Intended Application for DH90 The DH90 is intended for use in residential applications to reduce the indoor humidity levels and increase comfort. With the optional ventilation ducting and ventilation control hookup, the device also provides precise amo...

Page 4 - : Do not install the humidistat; ImPORTANT; : When connecting ventilation; ImPORTANT; : DO NOT draw air directly from; Fresh air intake; Controller; Ducting to isolated areas.

DH90 Dehumidifier • For HVAC Installer Only The DH90 plugs into a common grounded 115VAC outlet. The device draws 6.2 Amps under normal operating conditions. If used in an area which may become wet, a ground fault interrupter (GFI) protected circuit is recommended. ImPORTANT : Do not install the hum...

Page 5 - Effective dehumidification; B Ducting for Fresh Air — Option; Outside air is filtered before entering the; Basement or crawlspace installation.

For HVAC Installer Only • Installation Guide equivalent rectangular. For longer lengths, use a minimum 12" diameter or equivalent. Grills or diffusers on the duct ends must not excessively restrict airflow. • Isolated Areas: Effective dehumidification may require that ducting be branched to isol...

Page 6 - ALWAYS install a catch pan

DH90 Dehumidifier • For HVAC Installer Only Instead of installing a separate return to the DH90, and if the existing system has multiple returns, it is possible to select one to disconnect from the existing forced air system and use it for the dedicated DH90 return. Always select a return from a cen...

Page 7 - Operate the unit only with a; Optional Fresh Air Intake; Install with no forced air HVAC system.; Dehumidistat only—No fresh air ventilation.; Dehumidistat including fresh air ventilation.

For HVAC Installer Only • Installation Guide 4.5 Noise Abatement A length of 10' or more of acoustical flex ducting on the outlet of the DH90 will reduce air noise from the fan. A length of flexible ducting on all DH90 duct connections is recommended to reduce noise transmitted to rigid ductwork in ...

Page 8 - Single transformer, conventional system.; Choose the correct wiring diagram based on HVAC system; Wiring heat pump without emergency heat.

DH90 Dehumidifier • For HVAC Installer Only Figure 7: Single transformer, conventional system. Wake Room System Fan Heat Auto AM DST Tue R C W Y G R R C W Y G M19994 G F R C C C C H W G T W8150A HVAC Wake Room System Fan Heat Auto AM DST Tue W R HVAC COOLING HEATING R C C Y G R R C W Y G M19995A G F...

Page 9 - Setting the control; green light is flashing.; Wiring heat pump with emergency heat.

For HVAC Installer Only • Installation Guide 7. Parts List For replacement parts call: 1-800-345-6770. DH90A1007 — DH90 Dehumidifier EARD6 — Motorized Damper 50018994-001 — 14" x 14" x 1" MERV 11 Filter 50018995-001 — 10" Back Draft Damper 8. Setting the control 1. Be sure power is t...

Page 11 - Unit not providing ventilation.

For HVAC Installer Only • Installation Guide 11 Fan does not run with ventilation activated. Compressor runs briefly but cycles on & off with humidity control turned to ON. 1. Loose connection in fan circuit. 2. Obstruction prevents fan rotation. 3. Defective fan. 4. Defective fan relay. 5. Defe...

Page 12 - Warranty Information; DH90 Dehumidifier •

1 Honeywell warrants this product, excluding battery, to be free from defects in the workmanship or materials, under normal use and service, for a period of five (5) years from the date of purchase by the consumer. If at any time during the war- ranty period the product is determined to be defective...

Manuals:

User Manual Honeywell DH90

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Manual Honeywell DH90

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Honeywell Manuals