Therma-Stor Phoenix D385 Owner'S Manual Download Page 4

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2.4 Location

Note the following precautions when locating the Phoenix 
D385:

•  It is designed to be used 

INDOORS ONLY.

•  If used on a water loss work site, plug it into 

gROUND 

FaULT cIRcUIT INTeRRUPT (gFcI) OUTLeTS

•  The air inlet on top and the side outlet must be at least 

 

1 foot from walls and other air flow obstructions.

•  If the humid area is very large, dehumidification can be 

improved by adding an outlet duct to circulate process 
air to stagnant areas. 

• 

DO NOT

 use the Phoenix D385 as a bench or table.

2.5 Electrical Requirements

When used on a water loss work site, ground fault circuit 
interrupter (GFCI) outlets are required.
Your Phoenix D385 requires a total of 22 amps, 115VAC. 
In order to run at all, this machine must be plugged into 

two separate circuits each with a minimum of 11 amps 
dedicated capacity available. 
The D385 has two separate power cords, each cord must 

be plugged into its own 15 amp circuit. If both cords are 

plugged into the same 15 amp circuit this circuit will trip 
when the unit is turned on.
Another situation to avoid is that one or both of the 
circuits which the D385 is using can be tripped by other 
appliances drawing power from either circuit. This can 
happen well after a job site has been set-up as in the case 
with a freezer compressor turning on.
Care must be taken to insure that the D385 always has 
sufficient power available to run without tripping breakers 
or blowing fuses.

If your location requires the use of an extension cord, use 
safe techniques in selection and connection. Such cords 
must be grounded and rated for carrying 11 amps: 14 

gauge minimum for one extension less than 25ft in length 
or 12 gauge for one extension less than 50ft in length.

2.6 Control Panel

2.6A Power Switch

The D385 has one control device, the power switch. 

When the power switch is moved to the “on” position your 

portable desiccant is dehumidifying. The machine will 
continue to dehumidify in all conditions until the power is 

turned off: There is no dehumidistat (see over-dry warning 
section 2.2).

2.6B Pilot Light

The power indicator lamp illuminates to indicate that the 
D385 is functioning properly. This indicator is helpful when 

a job site is too noisy to know what equipment is running 

properly. At a glance from across the room the operator 
can verify that the D385 is operating as it should.

2.6C Hour Meter

The hour meter will run whenever your D385 is on. 
This digital hour meter measures the cumulative time 
of operation in one-tenth hour increments. This non-
resettable time is often used to verify hours on a job or 

to schedule maintenance. When the D385 is un-plugged 

the timer will continue to hold and display the cumulative 
hours run.

2.7 Ducting Connections

Using excess duct length significantly reduces air flow 
volume through duct. This is true in any application. If the 

job at hand needs a short length of duct, cut a section to 

the appropriate length. If air flow is restricted by excess 

length, performance will suffer. The same can be said of 
excess bends in the ducting.
Three different duct sizes are used on the D385. All 

ducting materials are available from Therma-Stor LLC (see 
accessories list section 1).

Process in: 12” flex duct.

To attach flex duct to the process air intake, push the wire 
of the first couple of loops down below the four tabs in the 
top cover.

Process out: 10” diameter lay flat plastic duct. 

When inflated this ducting forms a 10” circle. 10” lay flat 

ducting attaches to the D385 by means of a 12”x 6” wire 
rectangle. To attach lay flat ducting to the process exhaust 

air (Fig. 1, P3), put the plastic duct end through the collar 

center and roll the plastic ducting’s end outward so that 
it overlaps the outside of the collar. The duct and collar 

quickly attach to the D385 by snapping over the four screw 
posts surrounding the process air exhaust (Fig. 1, P3).

Reactivation in & out: 6” flex duct.

Both reactivation air streams use the same type of duct 

connections.
The 6” flex ducting connections on the D385 consist 
of a detachable 6” starting collar. Slide 6” flex ducting 
over the starting collar and zip-tie or duct tape in place. 

To remove the starting collar (and its attached ducting 
length) depress the snap button and rotate the duct collar 
15° clockwise. After rotating pull the duct collar straight 

out from the cabinet. Flex duct and collar may be stored 
beneath top cover.

Summary of Contents for Phoenix D385

Page 1: ...r horizontally the D385 will fit inside most crawlspaces Having the D385 securely inside rather than outside the crawlspace access deters the possibility of tampering with the dehumidifier or the set...

Page 2: ...Lay Flat Duct 250 4024440 Kestrel 3000 Multi Function Air Meter Process Air Filter Replacement 4021475 16 x 20 x 2 MERV 11 Filter Standard 4024969 16 x 20 x 2 MERV 6 Filter Optional 4022164 16 x 20 x...

Page 3: ...causing secondary damage due to condensation If the reactivation exhaust air stream cools below its dewpoint liquid water will condense inside the duct work creating puddles If the reactivation exhau...

Page 4: ...Light The power indicator lamp illuminates to indicate that the D385 is functioning properly This indicator is helpful when a job site is too noisy to know what equipment is running properly At a glan...

Page 5: ...MERV 7 filtration efficiency rating This filtration prevents plugging the heater or loading the desiccant wheel with foreign matter Operating the unit with a dirty filter will reduce the dehumidifier...

Page 6: ...898 THERMAL OVERLOAD CUT OUT SWITCH process AIR 9 4026830 CAPACITOR RUN 8 MFD DRY Reactivation Air 10 1970010 CONTROL RELAY SPST 110VAC COIL 25AMP CONTACTS 11 4026773 MOTOR DESICCANT WHEEL 12 4026795...

Page 7: ...allation accident acts of nature or any other cause beyond Therma Stor LLC reasonable control Limitations and Exclusions If any Phoenix D385 Dehumidifier part is repaired or replaced the new part shal...

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