Aprilaire 1820 User Manual

Page 1

Model 1820 Dehumidifier

Owner’s Manual

PLEASE LEAVE THIS MANUAL WITH THE HOMEOWNER

Installed by: _________________________________ Installer Phone: _______________________ Date Installed: _______________

ON/ OFF button

used to turn

dehumidifier on

and off

MODE button

used for optional

ventilation feature

Up/ Down

buttons used to

change humidity

setting

Dehumidifer Control

Inlet Filter Access

Door

Outlet

Drain Power

Switch

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CRAWL SPACE DEHUMIDIFICATION

The Aprilaire® dehumidifier controls the humidity level in your crawl space. A powerful blower inside the dehumidifier draws air into the cabinet, filters the air and removes moisture, then discharges the dry air into the crawl space. Inside the cabinet, a sealed refrigeration system removes moisture by moving the air through a series of tubes and fins that are kept colder than the dew point of the incoming air. The dew point is the temperature at which moisture in the air will condense, much like what occurs on the outside of a cold glass on a hot summer day. The condensed moisture drips into the dehumidifier drain pan to a drain tube routed to the nearest floor drain or condensate pump. After the moisture is removed, the air moves through a second coil where it is reheated before being sent back into the space. The air leaving the dehumidifier will be warmer and drier than the air entering the dehumidifier.

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SETTING THE DESIRED HUMIDITY LEVEL

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The dehumidifier on-board control will display the humidity setting when not running, and displays the measured humidity when running.

The UP and DOWN arrow buttons allow the humidity level to be set from 40% to 80% relative humidity. Use the ON/OFF button to turn the dehumidifier ON or OFF.

Set the control at 59%RH when first installed. Allow the dehumidifier to run until it reaches the setting before deciding if you want to change the setting.

• If you prefer the air to be more dry, decrease the humidity setting.

• If you prefer the air to be less dry, increase the humidity setting.

HOW DOES THE DEHUMIDIFIER WORK?

Once per hour the dehumidifier will measure the humidity level of the air and compare it to the humidity setting. If the humidity in your crawl space is higher than the setting, the dehumidifier will dehumidify the air until the humidity level drops 3%RH below the setting.

When the dehumidifier turns on, the blower circulates the air for 3 minutes before measuring the humidity level of the air. The on-board control will display AIR SAMPLING, along with the measured humidity on the control screen.

If the humidity of the air is higher than the setting, the compressor turns on and the control will display DEHUMIDIFYING, along with the measured humidity on the control screen.

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EXTERNAL CONTROL OPTIONS

Your Aprilaire dehumidifier can be controlled with an optional Aprilaire Model 76 Control. Install the Model 76 in your living space and make changes to the dehumidifier setting or find out what the humidity level is in the crawl space from the comfort and convenience of the living space. Refer to the Model 76 Owner’s Manual for operating instructions. Aprilaire owner’s manuals are available at www.aprilaire.com.

If you are interested in having an external control installed, please consult your installing contractor.

Model 76 Control

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MAINTENANCE

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CLEAN OR REPLACE THE AIR FILTER

After initial installation the air filter should be checked and cleaned every 6 months. The CLEAN FILTER service reminder will display on the on-board control screen every 6 months. To clear the service message, press the UP and DOWN arrows simultaneously for 3 seconds.

Filter Cleaning Procedure

1. Turn the ON/OFF switch OFF.

2. Remove the filter access door from either side of the dehumidifier.

3. Slide the filter out of the dehumidifier.

4. Flush the filter with warm water and a mild detergent solution.

5. Shake off the excess water from the filter.

6. Replace the filter, making sure the filter is secured in both the top and bottom filter rails.

7. Replace the filter access door.

8. Turn the ON/OFF switch ON.

9. Press the UP and DOWN buttons simultaneously for 3 seconds to clear the service message.

CHECK THE DRAIN

The drain should be checked annually to ensure there are no blockages or air lock in the drain system. If the unit is not draining properly, have it checked by a qualified service professional.

CAUTION

Do not use spray solvents or cleaners on or near the inlet side of the dehumidiﬁer.

If desired, apply cleaner to a cloth and use to clean the cabinet.

TROUBLESHOOTING

DIAGNOSTIC CODES

The on-board control will display a diagnostic code if an error should occur and service is required. Contact your installing contractor if E1– E7 or E9 is displayed on the on-board control screen. E8 will be displayed if the incoming air temperature is below 50°F, above 104°F, or when the dew point is below 40°F. When the incoming air is within the acceptable range, the dehumidifier will resume operation. If the error persists, contact your installing contractor.

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LIMITED WARRANTY

Your Research Products Corporation Aprilaire® Dehumidifier is expressly warranted for five (5) years from date of installation to be free from defects in materials or workmanship.

Research Products Corporation’s exclusive obligation under this warranty shall be to supply, without charge, a replacement for any component which is found to be defective within such five (5) year period and which is returned not later than thirty (30) days after said five (5) year period by you to either your original supplier or to Research Products Corporation, Madison, Wisconsin 53701, together with the model number and installation date of the dehumidifier.

THIS WARRANTY SHALL NOT OBLIGATE RESEARCH PRODUCTS CORPORATION FOR ANY LABOR COSTS AND SHALL NOT APPLY TO DEFECTS IN WORKMANSHIP OR MATERIALS FURNISHED BY YOUR INSTALLER AS CONTRASTED TO DEFECTS IN THE DEHUMIDIFIER ITSELF.

IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE SHALL BE LIMITED IN DURATION TO THE AFORESAID FIVE YEAR PERIOD. RESEARCH PRODUCTS CORPORATION’S LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES, OTHER THAN DAMAGES FOR PERSONAL INJURIES, RESULTING FROM ANY BREACH OF THE AFORESAID IMPLIED WARRANTIES OR THE ABOVE LIMITED WARRANTY IS EXPRESSLY EXCLUDED. THIS LIMITED WARRANTY IS VOID IF DEFECT(S) RESULT FROM FAILURE TO HAVE THIS UNIT INSTALLED BY A QUALIFIED HEATING AND AIR CONDITIONING CONTRACTOR. IF THE LIMITED WARRANTY IS VOID DUE TO FAILURE TO USE A QUALIFIED CONTRACTOR, ALL DISCLAIMERS OF IMPLIED WARRANTIES SHALL BE EFFECTIVE UPON INSTALLATION.

Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages so the above exclusion or limitations may not apply to you.

This warranty gives you specific legal rights and you may also have other rights which vary from state to state.

WARRANTY REGISTRATION

Visit us on-line at www.aprilaire.com to register your Aprilaire product. If you do not have on-line access, please mail a postcard with your

name, address, phone number, email address, product purchased, model number, date of purchase and dealer name and address to:

Research Products Corporation, P.O. Box 1467, Madison, WI 53701

Your Warranty Registration information will not be sold or shared outside of this company.

10012342 7.17 B2207620A

P.O. Box 1467 • Madison, WI 53701-1467 • Phone: 800/334-6011 • Fax: 608/257-4357 • www.aprilaire.com

Printed in U.S.A.

Page 5

Model 1820 Dehumidifier

Installation Instructions

SAFETY INSTRUCTIONS

WARNING

1. 120 Volts may cause serious injury from electric shock. Disconnect electrical power before starting installation or servicing. Leave power disconnected until installation/service is completed.

2. Sharp edges may cause serious injury from cuts. Use care when cutting plenum openings and handling duct work.

3. Dropping may cause personal injury or equipment damage. Handle with care and follow installation instructions.

CAUTION

1. Read all instructions before beginning installation.

2. Improper installation may cause property damage or injury. Installation, service, and maintenance must be performed by a qualiﬁed service technician.

3. Do not use in pool applications. Pool chemicals can damage the dehumidiﬁer.

4. Do not use solvents or cleaners on or near the circuit board. Chemicals can damage circuit board components.

5. Wait 24 hours before running the unit if it was not shipped or stored in the upright position

TABLE OF CONTENTS

Safety Instructions........................................1

Specifications............................................2

Set Up Dehumidifier for Installation ........................2

Packaging Content .......................................2

Duct Collars ............................................2

Location Considerations...................................3

Installation...............................................3

Leveling ...............................................3

Ductwork Installation.....................................3

Drain Tubing and Condensate Pump Installation ...............4

Model 76 – Crawl Space Control and Wiring ................5

READ AND SAVE THESE INSTRUCTIONS

Air Cycling...............................................5

System Set-Up, Check & Start-Up ..........................6

Remote Control – Crawl Space.............................6

Ventilation / Air Cycling...................................7

System Check...........................................7

Crawl Space Using the Dehumidifier Control..................8

Crawl Space Remote Control Using Model 76 .................8

Start-Up ...............................................8

Troubleshooting ..........................................9

Table 1 – Diagnostic Codes ................................9

Table 2 – Troubleshooting Guide...........................10

Service Parts............................................11

Page 6

CLIP OFF

REMOVE SHIPPING BRACKET

SPECIFICATIONS

OUTLET

COLLAR

INLET DUCT COLLAR

Model 1820

Weight

56 lbs.

Capacity: AHAM DH-1-2008 80°F, 60% RH Conditions 70 pints per day @ 200 CFM

Power: 115 VAC, Single Phase, 60Hz 5.8 Amps operating current

Dehumidifier Inlet Air Conditions

Filter

Airflow

Dehumidification: 50°F – 104°F, 40°F dew point minimum

Ventilation: 40°F – 140°F, 0%RH – 99%RH (non-condensing)

MERV 8, washable

200 CFM

SET UP DEHUMIDIFIER FOR INSTALLATION

IMPORTANT: Cut the strap securing the compressor

shipping support bracket and remove the strap and shipping bracket. See Figure 1.

PACKAGING CONTENT

1. Dehumidifier

2. Inlet/Outlet Collars

FIGURE 1 – Remove Shipping Bracket

3. Literature a. Installation Instructions b. Owner’s Manual

4. Parts Bag a. #10 x 1/2 Screws (9) b. Threaded Barbed Fitting for Drain

Connections

c. Torx Bit

5. 10 foot, 3/4” Drain Tube

DUCT COLLARS

Use the screws in the parts bag to attach the duct collars to the inlet and outlet of the dehumidifier. See Figure 2.

PLASTIC STRAP

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FIGURE 2 – Install Duct Collars

DUCT

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LOCATION CONSIDERATIONS

FOR PROPER

AIR FLOW

2.00" MAX

3/4" FNPT DRAIN

• Allow sufficient clearance for filter removal and to prevent airflow obstruction

• Electrical service access will require the removal of the side panel shown. Allow sufficient space for service on this side of the unit.

FIGURE 3 – Filter Access Clearance

ELECTRICAL

SERVICE ACCESS

THIS SIDE

8 FT. POWER CORD

90-2304

TOP VIEW

FILTER

MINIMUM

13"

CLEARANCE FOR FILTER

MINIMUM

CLEARANCE

INSTALLATION

LEVELING

The feet can be adjusted to level the unit, and if required, to accommodate drain fittings and a secondary condensate pan. Leveling is required to ensure proper drainage from the dehumidifier. See Figure 4.

DUCTWORK INSTALLATION

Adding 5-10 feet of insulated ductwork to the inlet and outlet of the dehumidifier will ensure dehumidified air is circulated throughout the crawl space and will reduce the noise level of the dehumidifier. Point the inlet and outlet ducts in opposite directions to minimize recirculation of dehumidified air.

FIGURE 4 – Level the Unit

0.38" MIN

90-2305

• Maximum recommended total duct length is 100 feet.

• To avoid pulling in dirt and other particles, do not lay intake duct on the floor of the crawl space.

NOTE: This dehumidifier is designed for crawl space and stand-alone applications only. Do not duct to HVAC system.

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INSTALLATION (CONTINUED)

3/4" CLEAR PVC TUBING (INCLUDED)

CONDENSATE PUMP

FLOAT SWITCH WIRE

3/4" MNPT x 3/4" BARB FITTING (INCLUDED)

DRAIN TUBING AND CONDENSATE PUMP INSTALLATION

The drain outlet on the dehumidifier can be plumbed directly to a condensate pump (see Figure 5) using the provided 3/4” MNPT x 3/4” hose barb fitting and 3/4” clear PVC tubing. Always maintain a constant downward slope from the dehumidifier to the condensate pump. NOTE: PTFE thread seal tape is recommended for the threaded connection. Hand tighten only. The 4856 condensate pump is capable of lifting water up to 22 feet. The dehumidifier can be elevated (while remaining level) to increase downward slope for proper draining. Wire the float switch terminals to the normally closed contacts on the condensate pump (see Figure 6).

FIGURE 5 – Drain and Condensate Pump Installation

8" DIAMETER INSULATED FLEX DUCT

FIGURE 6 – Float Switch Wiring

DH DH

FLOAT

Switch

LOW VOLTAGE NORMALLY CLOSED

CONTACTS ON CONDENSATE PUMP

90-2306

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Page 9

MODEL 76 – CRAWL SPACE CONTROL AND WIRING

NOTE: Use 18-22 AWG wire for control wiring.

Used as a crawl space control (or remote control), the Model 76 is mounted in the living space while the dehumidifier is located in the crawl space. When the dehumidifier is powered, the display on the dehumidifier control will show “REMOTE” to indicate that a remote control is being used. The RH shown on the Model 76 is the RH measured at the dehumidifier.

NOTE: Air Cycling is not an option when using a Model 76 as a remote control.

FIGURE 7 – Model 76 Crawl Space/Sealed Attic (Remote) Wiring

+ -ABODT

SensorRemote

Gh Rf Cf Gs YW

HVAC EQUIP.

MODEL 76 CONTROL

C/R/+ DH DH

90-1860

AIR CYCLING

The dehumidifier has an optional ventilation feature that can be used to circulate air through the dehumidifier, to promote uniform humidity levels throughout the space. When this feature is enabled, the dehumidifier fan can be set to run from 0 minutes (no air cycling) to 60 minutes (continuous) per hour. See VENTILATION / AIR CYCLING in the SYSTEM SET-UP, CHECK & START-UP section on page 7.

NOTE: The on-board control must be used when Air Cycling.

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SYSTEM SET-UP, CHECK & START-UP

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If using a Model 76 Remote Control and/or the Air Cycling feature, proceed to Step 1 below. If not using either feature, proceed to

SYSTEM CHECK on page 7.

1. Check all wiring.

2. Make sure the wire access cover has been snapped back onto the

on-board control.

3. Plug unit in and turn power switch to ON. The power switch is

located on the dehumidifier outlet next to the power cord.

4. The on-board control screen should display OFF.

NOTE: If the display backlight is not on, the first button press (any

button) will only turn on the backlight. Press the button a second time to achieve function.

5. Hold the MODE button on the on-board control for 3 seconds to

enter the Installer Set-up Menu.

6. Navigate through the following screens to set up the dehumidifier

for the installed application.

REMOTE CONTROL – CRAWL SPACE

If not installing in a crawl space with Model 76 remote control, press MODE to go to VENT screen selections

If installing in a crawl space with remote control, Enable and press MODE. The installer set-up is complete, proceed to SYSTEM

CHECK on page 7.

NOTE: Air Cycling is not an

option when Remote is enabled.

Use the UP or DOWN arrows to select items and use MODE to

switch to the next set-up option. To exit installer set-up, all options must be scrolled through using the MODE button.

7. After the installer set up options have been completed, DONE will

blink for 3 seconds and the control will return to the OFF screen.

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SYSTEM SET-UP, CHECK & START-UP (CONTINUED)

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VENTILATION / AIR CYCLING

If not using the dehumidifier to periodically cycle air in the crawl space, press MODE to go to ZONE screen selections.

If using the dehumidifier for air cycling, Enable and press MODE.

Press MODE at the VENT TIMED screen to go to ventilation time selection screen.

Press the UP or DOWN arrows to adjust the ventilation time per hour from 0 to 60 minutes. After selecting time, press MODE. Press MODE through the ZONE, EXTERNAL, DEH w/AC, and RH offset screens. DONE will be displayed on the screen and Installer Set-up is complete. Proceed to SYSTEM CHECK. on page 7.

SYSTEM CHECK

Press and hold the ON/OFF button and MODE buttons for 3 seconds. The measured humidity, AIR SAMPLING and TEST will show on the display.

After three (3) minutes the dehumidifier compressor will turn on and DEHUMIDIFYING will replace AIR SAMPLING on the control screen.

After one minute of compressor operation, all outputs will turn off and DONE will blink for 3 seconds and then return to the OFF screen.

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SYSTEM SET-UP, CHECK & START-UP (CONTINUED)

CRAWL SPACE USING THE DEHUMIDIFIER CONTROL

1. Press the ON/OFF button to turn the dehumidifier control ON. The display will show the current setting, and the dehumidifier blower and HVAC blower (if wired to the HVAC system) will turn on to start sampling the air.

The setting will be replaced by the measured humidity and “AIR SAMPLING” will show on the display.

2. Use the UP or DOWN button to adjust the humidity setting as desired. The recommended initial setting is 59%.

3. After three (3) minutes of sampling, the measured humidity will be compared to the setting:

a. If the humidity is above the setting, the dehumidifier compressor turns on and “AIR SAMPLING” will be replaced by “DEHUMIDIFYING”. The

compressor remains on until the measured humidity falls 3% RH below the setting.

b. If the measured humidity is below the setting, the blowers turn off and the display returns to showing the RH setting.

4. The dehumidifier will sample again every 60 minutes, or at any time if the humidity setting is lowered.

CRAWL SPACE REMOTE CONTROL USING MODEL 76

1. Press the ON/OFF button to turn the dehumidifier control ON. “REMOTE” will show on the display to indicate that a remote control is wired to the dehumidifier.

2. At the Model 76, press the ON button; the Model 76 will display the RH measured at the dehumidifier, and the dehumidifier blower will turn on to start sampling the air.

3. Use the UP or DOWN button on the Model 76 to adjust the dryness level as desired. The dryness levels are from 1 to 7, with 1 being least dry and 7 being most dry; the recommended initial setting is 3.

4. After three (3) minutes of sampling, the measured humidity will be compared to the setting:

a. If the humidity is above the setting, the dehumidifier compressor turns on and “ON” flashes on the Model 76 display.

b. If the measured humidity is below the setting, the dehumidifier blower turns off.

5. The dehumidifier will sample again every 60 minutes, or at any time if the dryness level is increased.

START-UP

Your dehumidifier is equipped with two features that protect against unwanted energy consumption. Defrost is a normal operating mode that helps to prevent significant ice formation on the refrigeration system coil. The dehumidifier display will show “DEFROSTING” when operating in this mode. This mode can occur when there is not enough air moving through the dehumidifier or if the temperature and/or humidity of the incoming air is too low. The second protection feature is the E8 code. E8 on the dehumidifier display indicates that the air entering the dehumidifier is below 50°F or above 104°F, or the dew point of the incoming air is below 40°F. There would be a significant reduction in dehumidifier efficiency if the dehumidifier operated outside of these conditions. Low dew point conditions can be seen in some basements or crawl spaces and usually occur in the Winter and Spring months. The dehumidifier continues to monitor the incoming air and when the conditions are within the operating range, E8 will be removed from the display and dehumidification will begin as needed.

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TROUBLESHOOTING

Technical Support is available Monday through Friday, 7:00 a.m. to 5:00 p.m. CST, at (800) 334-6011. Use the guides on the following pages to identify and correct system faults. Contact Technical Support before replacing the unit or any components and for additional troubleshooting.

DIAGNOSTIC CODES

When an error occurs, the Diagnostic Code along with SERVICE REQUIRED will be displayed on the control screen.

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TABLE 1 – Diagnostic Codes

Diagnostic

Code Failure Mode Action Reset

E1 Internal Humidity or

Temperature Sensor Open or Shorted

E2 High Refrigeration

Pressure

E3 Model 76

Remote Control Communication Loss

E4 Insufficient Capacity 1. Check the frost sensor connection at the power board. Terminal should be fully seated on the

1. Check the connection between the sensor board and control board.

2. If connection okay, replace sensor board, Part No. 5460.

1. Verify that the fan works and there is no blocked or restricted ductwork.

2. If the fault persists, call Technical Support.

1. Check connections between Model 76 and dehumidifier control board. Terminals should be fully inserted and secured in the control board and Model 76 control terminals.

2. If connections are correct and secure, turn off the dehumidifier and remove the Model 76. Use a short section of 4-wire cable to reconnect the Model 76 to the control board. Turn the dehumidifier back on and increase the dryness level setting on the Model 76. If the dehumidifier turns on, the problem is with the wiring between the dehumidifier and control.

3. If the dehumidifier does not turn on, call Technical Support.

power board pins.

2. Remove the side access panel and verify that the sensor is secured to the suction line.

3. If the sensor is connected and secured to the refrigeration line proceed to the next step.

4. Reset the fault by cycling power to the dehumidifier.

5. Turn the humidity setting down (below room/home humidity level) to make a dehumidification call.

6. Allow the fan and compressor to run for approximately 10-15 minutes and then enter diagnostic test mode by simultaneously pressing the UP ARROW and MODE buttons for 3 seconds. The LCD will display the temperature measured by the internal sensor while also displaying AIR SAMPLING and ON, the humidity measured by the internal sensor while also displaying %RH and ON, and the frost sensor temperature while also displaying ON. Scroll through these values and by using the UP/DOWN arrow buttons.

7. Record values and call Technical Support.

Cycle Power

Self-Correcting

Cycle Power

E5 High Temperature

Thermistor Failure

E6 Low Temperature

Thermistor Failure

E7 Float Switch Open 1. Empty the condensate pan.

E8 Inlet Air Temperature

Out of Range 50°F – 104°F or dew point below 40°F

1. Check the high temperature sensor connection at the power board. Terminal should be fully seated on the power board pins.

2. Remove the side access panel and verify the sensor is not damaged and connected to the refrigeration line coming from the compressor.

3. If the sensor is connected and secured to the refrigeration line, contact Technical Support.

1. Check the low temperature sensor connection at the power board.

2. Remove the side access panel and verify the sensor is not damaged and connected to the suction line.

3. If the sensor is connected and secured to the refrigeration line, contact Technical Support.

2. Check the float switch connection at the control board.

3. If not using a float switch, verify jumper is between float switch terminals on dehumidifier control board.

4. If the problem persists, replace the float switch.

1. Verify all ductwork is properly sealed.

2. If no signs of leak points, contact Technical Support.

Cycle Power

Self-Correcting

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TROUBLESHOOTING (CONTINUED)

TABLE 2 – Troubleshooting Guide

Symptom Possible Reason Troubleshooting Procedure

Dehumidifier does not turn on/run.

Dehumidifier blower is running but with little or no airflow.

Dehumidifier blower is running but compressor is not.

Dehumidifier is not draining properly.

Dehumidifier is producing hot air.

No power to unit. • Check that the dehumidifier is plugged in.

• Check that the power switch is turned ON.

• Check that the control is turned ON.

• Check that the circuit breaker has not tripped.

Pressure drop across dehumidifier is higher than 0.4”w.c.

Float switch open. • If float switch installed, check connections at control board and empty condensate pan.

Coil frosting. • Lack of or reduced airflow. Check dehumidifier air filter and wash or replace.

Inlet air temperature is outside of the 50°F – 104°F range or the dew point is below 40°F and there is a demand for dehumidification.

Drain line blocked or unit not level.

Normal function. • Air is reheated across the condenser coil, resulting in a temperature rise between inlet and outlet,

• Check dehumidifier air filter and wash or replace.

• Check for blocked duct work and clear.

• If no float switch installed check that the jumper is installed at the float switch terminals on the control board.

• Check for blocked duct work.

• Inlet air conditions below 60°F. Increase the humidity setting.

• Verify all ductwork is properly sealed.

• Verify that the unit is level.

• Check the drain line blockages and for a continuous downward slope.

this is normal.

Page 15

SERVICE PARTS

No. Part Description Part No.

1 Filter, 8” x 11.75” x 1” EZK 5695

2 Internal Control Board, Deh 5444

3 User Interface Assembly, Deh 5445

4 Wiring Access Door, AA Deh 5446

5 Door, Filter Access, AA Deh 5696

6 Outlet Duct Panel, Deh 5698

7 Inlet Duct Panel, AA Deh 5699

8 Fan with 6MFD Capacitor 5694

9 Wire Harness, Power, Deh 5454

10 Sensor, Low Temperature, Deh 5455

No. Part Description Part No.

11 Sensor, High Temperature, Deh 5456

12 Leveling Foot, Deh 5457

13 Capacitor, 45MFD, 370VAC 5458

14 Capacitor, 6MFD, 250VAC 5582

15 RH Sensor, Deh 5460

16 Drain Tube + Fitting 5665

17 Compressor Overload Switch 5697

Not Shown

Condensate Pump with Tubing 4856

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AprilairePartners.com

P.O. Box 1467 Madison, WI 53701-1467