Therma-Stor HI-E DRY 100 Installation, Operation & Service Instructions

Read the installation, operation and maintenance 

instructions carefully before installing and using this unit. 

Proper adherence to these instructions is essential to 

obtain maximum benefit from your HI-E Dry dehumidifier.

1 Specifications

Model: HI-E DRY 100 Dehumidifier

Electrical: 110-120 Vac, 6.6 Amps, grounded

Capacity: 100 pints/day @ 80°F, 60% RH

Operating Temp. Range: 33°F min., 110°F max.

Air Flow: 275 CFM

Refrigerant Charge: 1 lbs., 7 oz. R410a

Optional Duct Connections: 8” round inlet & outlet

Size (w/o duct collars): 20” long x 17” wide x 36” high

Weight: 110 lbs.

2 Installation

2.1 Location

The HI-E Dry can be installed in a variety of locations 

to meet the owner’s needs as listed below. In all cases 

keep the following cautions in mind:

•  It is designed to be installed INDOORS ONLY.

•  If used near a pool or spa, be certain there is NO 

chance the unit could roll into the water or be 

splashed and that it is plugged into a GROUND FAULT 

INTERRUPTER.

•  DO NOT use the HI-E Dry as a bench or table.

•  Avoid discharging the air directly at people, especially 

in pool areas.

2.1A In Humid Area, No Ducting

The simplest installation is to place the HI-E Dry in the 

humid area with no ducting. The air inlet on top & outlet 

on the side must be at least 1’ from walls and other 

obstructions to air flow.

TS-598 11/09

P.O. Box 8680, Madison, WI 53708

Phone 608-222-5301 • Toll-Free 1-800-533-7533

www.thermastor.com • sales@thermastor.com

Table of Contents

1.   Specifications ........................................................1

2.   Installation ............................................................1

2.1 Location .........................................................1

   2.1A In humid area, no ducting ..........................1

   2.1B In humid area, duct inlet and/or outlet .......2

   2.1C In remote area, duct inlet & outlet .............2

   2.1D In remote area, duct outlet only .................2

   2.1E In remote area, duct inlet only ...................2

2.2 Electrical Requirements ...................................2

2.3 Condensate Removal ...................................... 2

2.4 Ducting .......................................................... 2

   2.4A Optional Ducting  ..................................... 2

   2.4B Ducting for Dehumidification .................... 2

   2.4C Ducting for Fresh Air .................................2

3.   Operation  ............................................................3

3.1 Humidity Control Adjustment ............................3 

3.2 Fan Switch ..................................................... 3

3.3 Defrost Control Adjustment ..............................3

4.   Maintenance  ........................................................4

4.1 Air Filter  .........................................................4

5.   Service .................................................................4

5.1 Warranty. ........................................................4

5.2 Technical description .......................................4

5.3 Troubleshooting ...............................................4

5.4 Refrigerant Charging ........................................5

5.5 Blower Replacement ....................................... 5

5.6 Compressor/Capacitor Replacement ................5

   5.6A Checking Compressor Motor Circuits .........5

   5.6B Replacing a Burned Out Compressor .........6

   5.6C Replacing a Compressor- Non-Burn Out ......6

5.7 Relay ..............................................................6

5.8 Humidity Control..............................................7

5.9 Defrost Thermostat .........................................7

5.10 Condensate Pump .........................................7

6.   Wiring Diagrams....................................................7

7.   Service Parts List ..................................................8

8.   Filter Installation Instructions..................................9

9.   Warranty .............................................................11

Serial No. __________________________________

Purchase Date ______________________________

Dealer’s Name ______________________________

Specifications subject to change without notice.

HI-E DRY 100 High Efficiency Dehumidifier

Installation, Operation & Service Instructions

HIGH EFFICIENCY DEHUMIDIFICATION

1

Toll-Free 1-800-533-7533

When unpacking, make 

sure to remove corrugated, 

protective cardboard from 

top of unit.

www.sylvane.com 1-800-934-9194