Specifications, Dimensions in inches and (mm), Input ratings – Honeywell TRUDRY DR90 User Manual
Page 6: Output ratings, Standards and approval body require- ments

Specifications
Install TrueDRY DR90 according to National Electric Codes.
Dimensions in inches and (mm):
Product weight: 92.2 lbs.
shipping weight: 102 lbs.
shipping dimensions: 21.5 in. H x 18.5 in. W x 40.2 in. L
Media Filter: MERV 11, 13.75 in. H x 13.75 in. W x .75 in. D
Drain connection: 3/4-in. threaded female NPT connection,
with attached 3/4-in. male connection.
Duct connections: 10-in. round inlet and outlet. 6-in. supply
inlet. ABS plastic, compatible for connection to rigid or
flexible ducting with sheet metal screws and/or tape.
Cabinet: 20 gauge galvanized steel powder-coat painted.
Insulation: R value 1
Compressor: Rotary-style, 6.8 KBTU
Refrigerant: R-410A, 1.0 lbs.
Operating Temp Range (outside cabinet):
34ºF to 135ºF (1.1ºC to 57.2ºC)
Operating humidity Range: 0-99% RH
Input ratings
• Electrical input voltage: 120 VAC,
60 Hz nominal
• Input current: 6.7 amps
Output ratings
• Power transformer to R/C
terminals: 24 VAC, 0.85 A
• Energy Performance: 2.5 liters
(5.3 pints) per kilowatt hour (KWH)
standards and approval body require-
ments
ETL Tested per standard UL 474 ducted
dehumidifier.
ENERGY STAR rated.
Dry-Bulb Temp
Intake humidity Capacity (Pints/Day)
80°F
60% RH
90
70°F
60% RH
77
60°F
60% RH
47
home size
(square ft)
Dehumidifier Capacity Required to Maintain Desired Indoor Rh*
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 extreme climates where outdoor humidity is 70-90% RH. For less extreme climates, larger
homes can be adequately served with less capacity. Actual requirements may vary.
Airflow versus external static pressure
(0–1 in. water pressure) with collars
attached
0 in.
235 CFM
0.2 in.
210 CFM
0.4 in.
195 CFM
0.6 in.
175 CFM
3 3/16
(81)
33 7/16 (849)
3 3/16
(81)
21 9/32
(541)
14 3/8 (365)
M28840
TrueDry DR90 Dehumidification System 69-2407—01
4