Install Instructions

ManualsBrandsAprilaire ManualsDehumidifiersModel Free-Standing Dehumidifier (95 Pints Per Day)

Model 1850F Dehumidifier

Installation and Operating Manual

READ AND SAVE THESE INSTRUCTIONS

CAUTION

1. Read all instructions before beginning installation.

2. Improper installation may cause property damage or injury. Read instructions before installation, service or maintenance.

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

6. Do not use dehumidiﬁcation to prevent window condensation in the winter. To address window condensation, use ventilation

to lower indoor humidity in the winter.

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

SAFETY INSTRUCTIONS

Dehumidifer Control

ON/OFF button

used to turn

dehumidifier on

and off

Up/Down

buttons used to

change humidity

setting

MODE button

used for optional

ventilation feature

Inlet Filter Access

Door

Drain Power

Switch

Outlet

90-1952

Summary of content (12 pages)

PAGE 1
Model 1850F Dehumidifier Installation and Operating Manual ON/OFF button used to turn dehumidifier on and off Up/Down buttons used to change humidity setting Dehumidifer Control Outlet MODE button used for optional ventilation feature Drain Inlet Power Switch Filter Access Door 90-1952 Safety Instructions WARNING 1. 120 Volts may cause serious injury from electric shock. Disconnect electrical power before starting installation or servicing.
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Table of Contents Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Set Up Dehumidifier for Installation . .
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SET UP DEHUMIDIFIER FOR INSTALLATION Figure 1 – Remove Shipping Bracket REMOVE SHIPPING BRACKET REMOVE AND DISCARD SHIPPING BRACKET AND STRAP BEFORE START UP. IMPORTANT: Cut the strap securing the compressor shipping support bracket and remove the strap, shipping bracket screws, and bracket. See Figure 1.
PAGE 4
DRAIN INSTALLATION The drain outlet on the dehumidifier can be hard piped using 3/4” nominal drain tubing or the provided fittings and 1/2” clear PVC tubing can be used to drain the dehumidifier. Always maintain a constant downward slope from the dehumidifier to the drain and do not allow soft tubing to curl up which may result in air lock. LEVELING A level surface is required to ensure proper drainage from the dehumidifier.
PAGE 5
Setting the Desired Humidity Level 1. Press the ON/OFF button to turn the dehumidifier control ON. The display will show the current setting, and the dehumidifier blower will turn on to start sampling the air. 90-1853 2. 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 55%RH when first installed.
PAGE 6
Maintenance 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. 90-1854 3. Slide the filter out of the dehumidifier. 4.
PAGE 7
MODEL 76 – EXTERNAL CONTROL OR CRAWL SPACE/SEALED ATTIC CONTROL AND WIRING When the dehumidifier is located in a crawl space, sealed attic, or other hard to access area, a Model 76 can be installed in the living space and will operate as a remote control. Refer to the Model 76 Installation Instructions and Owner’s Manual for installation and operating instructions. Model 76 Control NOTE: Use 18-22 AWG wire for control wiring.
PAGE 8
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.
PAGE 9
TROUBLESHOOTING (continued) TABLE 1 – Diagnostic Codes (continued) Diagnostic Code Failure Mode Action Reset E7 Float Switch Open 1. Empty the condensate pan. 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. Self-Correcting E8 Inlet Air Temperature Out of 50°F – 104°F or dew point below 40°F 1.
PAGE 10
SERVICE PARTS 12 4 3 1 6 8 2 9 11 5 7 90-1947 10 13 No. 10 Part Description Part No. No. Part Description Part No.
PAGE 11
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.
PAGE 12
P.O. Box 1467 • Madison, WI 53701-1467 • Phone: 800/334-6011 • Fax: 608/257-4357 • www.aprilairepartners.com 10010677 3.14 B2206280A Printed in U.S.A.