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Owner’s Manual   —   Phoenix 300

Installation, Operation and Service Instructions

www.thermastor.com • sales@thermastor.com

Toll-Free -800-533-7533

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Phoenix 300 High Capacity Dehumidifier 

Part number TS-218

The Phoenix 300 Dehumidifier is designed to maximize the water removal capacity from a single 0V, 5 amp circuit.
The multiple ducting options on the Phoenix 300 allows for ducting both the intake air and the filtered and 
dehumidified supply air. This makes it possible to easily combine the Phoenix 300 with a HEPA air scrubber, air 
conditioner or desiccant dehumidifier.
Phoenix dehumidifiers feature significant air filtration. Even the standard 57% MERV-8 filters remove over 90% of 
seven-micron particles (the size of a human red blood cell). This filtration dramatically improves the air quality in the 
areas being dried and assures continued optimal performance of the refrigeration system.

 The Phoenix 300

High Capacity Dehumidifier

High capacity

 – Up to 38 gallons per day

High energy efficiency

 – Plugs into a grounded 5V 

outlet

Pleated media filter

 – Built-in air filter reduces dust 

and mold

Twist-on duct collar

 – Direct the drying power where 

you need it

Optional high-efficiency filter

 – Removes 95% of  

one-micron particles

Reservoir pump system

 – Strong and dependable,  

20 ft of lift

Pump purge switch

 – Drains reservoir, no spills or 

drips

Pump fail warning light and cut-off

 – Prevents reservoir 

overflow

Lighted power switch

 – Check machine status at a 

glance

Digital hour meter

 – Easy-to-read for more accurate 

billing

30-ft power cord

 – No need for extension cords

30-ft drain hose

 – Pump condensate to sinks or drains

Phoenix 300
PN 4022599

Specifications subject to change without notice.

Revised 1/07

PO Box 8680 • Madison, WI 53708

Summary of Contents for 4022599

Page 1: ...s filtration dramatically improves the air quality in the areas being dried and assures continued optimal performance of the refrigeration system The Phoenix 300 High Capacity Dehumidifier High capacity Up to 38 gallons per day High energy efficiency Plugs into a grounded 115V outlet Pleated media filter Built in air filter reduces dust and mold Twist on duct collar Direct the drying power where y...

Page 2: ...st 1 foot from walls and other obstructions to air flow If the humid area is very large dehumidification can be improved by adding an outlet duct to circulate air to stagnant areas see Sec 2 5 Table of Contents Introduction 1 1 Specifications 2 2 Operation 2 2 1 Transporting the Phoenix 300 2 2 2 Location 2 2 3 Electrical Requirements 2 2 4 Condensate Removal 3 2 5 Ducting 3 2 6 Power Switch 3 2 7...

Page 3: ...e hose stops 2 8 Pump Fail Light If the condensate pump fails water draining into the pump reservoir will fill above its normal level A safety float switch will then turn on the pump fail light located next to the pump purge switch and stop the compressor This prevents water from overflowing and wetting the floor The safety switch will not allow the compressor to restart until water has been remov...

Page 4: ...the Phoenix 300 is stored between uses and both pertain to the water trapped in the unit damage caused by freezing and biological growth The effect of the trapped water can be greatly reduced if precautions are taken to remove as much as possible before storage 1 Use the pump purge switch see Sec 2 7 and Fig 3 to reduce the water level in the reservoir 2 Stretch the hose flat to drain it completel...

Page 5: ...c 4 6A 5 Defective compressor Sec 4 6 6 Defective relay Sec 4 9 7 Defective time delay Sec 4 10 No dehumidification Blower runs but compressor does not Pump fail light not lit 1 Bad connection in compressor circuit Fig 3 2 Defective compressor capacitor Sec 4 6A 3 Defective compressor overload Sec 4 6A 4 Defective compressor Sec 4 6 5 Defective relay Sec 4 9 6 Defective time delay Sec 4 10 No dehu...

Page 6: ...e relay terminal that the black wire from the compressor connects to and b the capacitor terminal with the 3 white wires and 1 red wire connected If voltage is present go to step 3 If no voltage the low pressure control the time delay or the relay are open or there is a loose connection in the compressor circuit Test each component for continuity see the appropriate section if a defect is suspecte...

Page 7: ...the system for at least an hour 8 Operate the system for a short period of time monitoring the suction pressure to determine that the suction filter is not becoming plugged Replace the suction filter drier if pressure drop occurs If a severe running burn out has occurred several filter driers may have to be replaced to remove all of the acid and moisture NOTE NEVER use the compressor to evacuate t...

Page 8: ...low pressure control time delay HP model defrost thermostat and timer 4 10 Time Delay HP model only The HP model has a time delay relay in the compressor control circuit This relay delays the compressor start about 2 minutes after the power switch is turned on This reduces the unit s starting amp draw by starting the blower and compressor at different times This reduces the chance of tripping a ci...

Page 9: ...2 4021908 1 Drain Hose 38 ID x 56 OD x 33 long 13 4022611 1 Outlet Collar for Ducting Outlet 14 4022593 1 Filter Drier not shown 15 4021597 1 Hour Meter 16 4021089 1 Indicator Light Red 125V 17 4022616 1 Instruction Label not shown 18 4022219 1 Low Pressure Control 19 1970010 1 Relay 20 4022740 1 Run Capacitor 30 MFD 370V 21 4021997 6 Spring 22 4021796 1 Switch Pump Purge 23 4021822 1 Switch Power...

Page 10: ...10 www thermastor com sales thermastor com Toll Free 1 800 533 7533 This page intentionally left blank ...

Page 11: ...ther reasonable and reliable means The end user is responsible for normal care This warranty does not cover any defect malfunction etc resulting from misuse abuse lack of normal care corrosion freezing tampering modification unauthorized or improper repair or installation accident acts of nature or any other cause beyond Therma Stor LLC s reasonable control Limitations and Exclusions If any Phoeni...

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