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TrueDRY™ DH150
Dehumidification System
PROFESSIONAL INSTALLATION GUIDE
Assemble Duct
1 2
Plumb Wire
3 4
Must be installed by a trained, experienced technician
Read these instructions carefully. Failure to follow these instructions can
damage the product or cause a hazardous condition.
69-2271EFS-01
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Installation Guide Table of Contents About your new dehumidifier Maintaining ideal humidity .................................................................................. 1 Controls ................................................................................................................2 Specifications .......................................................................................................3 Installation I n s t a l l a t i o n C h e c k l i s t ........................
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TrueDRY DH150 About the TrueDRY DH150 Dehumidifier The Honeywell T rueDR Y DH150 ensur es the home is maintained at pr oper humidity levels thr ough its high perfor- mance and efficiency. Benefits • Removes up to 150 pints of water fr om the indoor air . • Can be ducted for whole-house humidity contr ol, or operate unducted to addr ess moistur e pr oblem ar eas such as an attic or crawl space. • Easy access panels makes service quick and
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Installation Guide Control Options The T rueDR Y DH150 may be used with one of the following exter nal contr ols: VisionPRO IAQ Total Comfort System (YTH9421C1010) • Contr ols both heating/cooling and dehumidification. • Sensor included for displaying outdoor temperatur e. • Intuitive user interface for easy 7-day temperatur e pr ogramming • Easy-to-r ead backlit digital display . • Maintenance and service r eminders. • Contr ols other indoor air qual
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TrueDRY DH150 Specifications Install T rueDR Y DH150 accor ding to National Electric Codes. Dry-Bulb Wet-Bulb Intake Capacity Temp Temp Humidity (Pints/Day) 80°F 70°F 60% RH 150 70°F 61°F 60% RH 116 60°F 52°F 60% RH 88 Home Size Dehumidifier Capacity Required to Maintain Desired Indoor RH* (square ft) 60% RH Indoor (pints/day) 50% RH Indoor (pints/day) 40% RH Indoor (pints/day) 2080 49–54 55–58 71–78 2600 61–68 65–72 90–97 3120 75–82 79–86 95–110 * Based on extr eme climates whe
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Installation Guide Installation Checklist Tools Required - 3/8-in. hex drive - Drill or duct-cutting tool - Wir e stripper/cutter - Standard screwdriver - Duct tape - 8-in. round duct and starter collar - 18–22 gauge, 5-band thermostat wir e - 1/2-in. diameter drain line (8 ft) - 1/2-in. drain clamps (quantity 2) Materials Provided - Sheet metal scr ews (quantity 9) - 6-in. plastic duct collar - 10-in. plastic duct collar - 10-in. oval x 4 in. plastic
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TrueDRY DH150 Door and Collar Assembly Door Install Insert tab on the bottom of the door between the foam installation and the metal side. Push down on the plastic door latch and swing door shut. Once the door is shut r elease the door latch. M27793 Collar Install Remove the 2 r ound ducts, 1 oval duct, 3 seals and small bag of mounting har dwar e fr om inside the r ectangle opening. Adher e seals onto the back of each duct and mount the ducts
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Installation Guide Ducting: Install to Fit Your Application Flex duct is r ecommended in connecting to the T rueDR Y DH150 collars to r educe vibration noise. Duct Sizing: For total duct lengths, use r ound or r ectangular duct sized accor dingly: - 10-inch for less than 25-ft - 12-inch for mor e than 25-ft For the optional fr esh air ventilation port, use r ound insulated duct sized accor dingly: - 6-inch r ound for lengths of less than 50
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TrueDRY DH150 Plumbing Connect 1/2-in. drain tube to male connection drain outlet. Secur e drain tube to connector with hose clamp. Run drain hose continuously downhill to an approved drain or condensate pump. Route to drain with a trap if possible. Place T rueDR Y DH150 on supports that raise the base above the top flanges on the drain pan beneath it. Raising it will optimize drain flow by gravity . Terminal Descriptions A four -block wiring termi
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Installation Guide Wiring GRN GRN 2 1 DHUM 1 (COMPRESSOR AND FAN) 2 R 3 FAN 3 C 4 M27795 C FAN R DHUM M27941 69-2271EFS—01 8
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+ + TrueDRY DH150 Wiring Wire the TrueDRY DH150 according to the diagram that applies to your desired operation. Follow this diagram for ducted operation with an exter nal humidity contr ol. HVAC MECHANICAL DEHUMIDISTAT R C W Y G DRY CONTACTS DPDT RELAY, 2.6A RRc W Y G DHUM R FAN C TrueDRY M27797 THERMOSTAT For ducted operation with exter nal humidity and ventilation contr ol, follow this diagram. HVAC AT120 EARD-6 MECHANICAL R C W Y G R DEHUMIDISTAT C DRY W8150A G CONTACTS
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+ Installation Guide Wiring Follow this diagram if using T rueDR Y DH150 with a power ed dehumidistat such as T rueIAQ (DG115EZIAQ). THERMOSTAT 1 RRc C W Y G HVAC R R C C TrueIAQ SENSOR OUTDOOR W SENSOR SENSOR Y (PROVIDED) In % 6840 SWITCH G Out % 7655 W 2 PM : 1215 G VENT EARD-6 VENT DEHUM DEHUM TrueDRY HUM HUM 1 IF A THERMOSTAT OTHER THAN A TH5110, TH5220, TH5320, TH6110, TH6220, TH6320, TH8110, TH8320, OR TH8321 IS USED, A RELAY MAY BE REQUIRED TO ISOLATE THE G WIRE. 2 PRO
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TrueDRY DH150 Cleaning On an annual basis, maintenance is r equir ed to ensur e T rueDR Y runs at peak ef ficiency . Unplug T rueDR Y DH150 befor e beginning Grip filter tab at bottom to r emove. service. Push down the door release and Replace with new filter. 1 2 pull. The filter can be r emoved fr om either side. Using a 1/2-in. hex drive or standar d scr ew- Check the drain connection and drain line driver , r emove the eight scr ews on e
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Installation Guide Technical Description STRAINER/FILTER T rueDR Y DH150 uses a r efrigeration system similar to an air condi- COMPRESSOR DRIER tioner to remove heat and moisture from incoming air and add heat to the air that is discharged. Hot, high-pr essur e r efrigerant gas is r outed fr om the compr essor to the condenser coil. The r efrigerant is CONDENSER cooled and condensed by giving up its heat to the air that is about to be discharged
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TrueDRY DH150 Troubleshooting Problem Recommended Troublshooting Steps Impeller fan does not run with fan 1. Loose connection in impeller fan cir cuit. switch in either position. Impeller 2. Obstruction pr events impeller fan r otation. fan does not run with ventilation 3. Defective impeller fan. timer activated. Compressor runs 4. Defective impeller fan r elay . briefly but cycles on & of f with 5. Defective impeller fan capacitor . humidity contr ol
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Installation Guide Troubleshooting Refrigerant Charging If the r efrigerant charge is lost due to service or a leak, a new charge must be accurately weighed in. If any of the old charge is left in the system, it must be r ecover ed befor e weighing in the new charge. Refer to the unit nameplate for the correct charge weight and refrigerant type. Impeller Fan Replacement The motorized impeller fan is a unitary assembly consisting of the mo
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TrueDRY DH150 Troubleshooting Replacing a Burned Out Compressor The r efrigerant and oil mixtur e in a compr essor is chemically very stable under normal operating conditions. However , when an electrical short occurs in the compr essor motor , the r esulting high temperatur e ar c causes a por- tion of the r efrigerant oil mixtur e to br eak down into carbonaceous sludge, a very corr osive acid, and water . These contaminants must be car
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Installation Guide Parts List TUBE COND. TO FILTER Description Part Number HEAT CAPILLARY EVAPORATOR DISCHARGE EXCHANGER TUBES Heat Exchanger 50035445-001 TUBE Evaporator 50035445-002 Capillary T ubes .050 in. x .124 in. x 59.00 in. 50035445-003 Compr essor—T oshiba 8.1 50035445-004 Accumulator 50035445-005 Filter/Drier 50035445-006 T ube—Cond. to Filter 50035445-007 T ube—Discharge Line 50035445-008 TUBE FILTER DRIER Condensor 50035445-009 LEVELING DISCHARGE COLLAR OVAL FOOT ACC
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TrueDRY DH150 5-Year Limited Warranty Honeywell warrants this pr oduct to be fr ee fr om defects in the workmanship or materials, under normal use and service, for a period of five (5) years fr om the date of pur chase by the consumer . If at any time during the warranty period the pr oduct is determined to be defective or malfunctions, Honeywell shall r epair or r eplace it (at Honeywell’ s option). If the pr oduct is defective, (i
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Automation and Control Solutions Honeywell Inter national Inc. Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden V alley , MN 55422 T or onto, Ontario M1V 4Z9 http://yourhome.honeywell.com ® U.S. Register ed T rademark. Printed in U.S.A. on r ecycled © 2008 Honeywell Inter national Inc. paper containing at least 10% 69-2271EFS—01 M.S. 12-08 post-consumer paper fibers.
