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SAFETY INSTRUCTIONS
SPECIFICATION OVERVIEW
WARNING
1. 120 volts may cause serious injury from electric
shock. Disconnect electrical power before starting
installation. Leave power disconnected until
installation is completed.
2. Sharp edges may cause serious injury from cuts.
Use care when cutting plenum openings and
handling ductwork.
3. Unit weight and dropping may cause personal
injury or equipment damage. Handle with care.
WARNING
ATTENTION INSTALLER: This product must be installed by a qualified heating and air conditioning
contractor. Failure to do so could result in serious injury from electrical shock or damage to product.
CAUTION
1. Unit must be transported and installed in an upright
position. If the unit is tilted on its side, a 24 hour
settling period is required before running the unit.
2. Installation must conform to all applicable codes.
3. If unit is ducted to an HVAC system, ∆P must be
≤ 0.8” w.c. external static pressure across the
dehumidifier, which corresponds to a dehumidifier
airflow rate of 210 minimum.
© Research Products Corporation 2004
TABLE OF CONTENTS
Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Specification Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Installation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Whole-House Dehumidifier Operation and Installations . . . . . .3
Localized Dehumidifier Operation and Installation . . . . . . . . . . .4
Whole-House Convertible to Localized Dehumidifier
Operation and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Ducting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Control and Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Model: Aprilaire Model 1700
Dimensions: 20”W x 24”L x 21.75”H
Weight: 100 lbs
Capacity: 90 pints per day @ 60% RH, 80°F (ANSI/AHAM DH-1-2003 conditions)
Power: 115 VAC, 9 Amps. Unit equipped with an 8 ft. grounded power cord.
Airflow: 275 CFM @ 0.6 in. w.c. external static pressure.
Filter: Aluminum frame filter, foam core.
Recommended replacement frequency = 1 year.
Cabinet Insulation: Entire interior surface is sealed with 1” foil faced EPS insulation.
Inlet Air Operating Conditions: 40°F to 105°F
The purpose of the Aprilaire
®
Dehumidifier is to keep the humidity in the house at acceptable limits to reduce the unwanted effects of
high humidity. The dehumidifier will gather data from the HVAC system and measure the dew point of the house air to decide when to
run. The dryness set point can be adjusted with the control knob on the side of the unit. The integrated air cycling feature will be able to
turn on the HVAC blower to cycle air through the house to balance the indoor conditions. This feature is set up during installation based
on house size and homeowner preference. An optional ventilation damper can also be installed to bring in outside air during air cycling.