PO Box 8680 • Madison, WI 53708
Owner’s Manual — Phoenix D385
Installation, Operation & Service Instructions
Read and Save These Instructions
The Phoenix D385 provides the perfect combination of
possibility of tampering with the dehumidifier or the set-
features and performance the restoration industry has been up. The 385 CFM of process air will provide 3 ACH on an
craving in a desiccant dehumidifier. Designed to operate
vertically or horizontally, the Phoenix D385 provides the
wide operating range and ultra-low grains of a desiccant
with the water removal capacity of the largest LGR’s in
cabinet dimensions identical to our popular Phoenix
200 Max.
affected area up to 7000 cubic feet.
The Phoenix D385 is easy to transport and set-up. The
D385 will fit on your truck in the areas already designed
for your LGR’s and will move around the jobsite with the
same portability. All the power to the unit is provided by two
ꢀꢀ5 volt grounded power cords. Simply plug the cords into
separate ꢀ5 amp circuits. Each cord draws only ꢀꢀ amps
to power the D385. The re-activation air stream is ducted
through 6” flex duct provided with the unit and stores
conveniently in the top of the unit.
The D385 delivers 385 CFM of ultra-low grain process air
and removes an incredible ꢀꢀ6 pints per day at AHAM
conditions. The true four hole configuration* allows the
Phoenix D385 to be located in the affected area with the
75 CFM re-activation air stream isolated from the drying
chamber. Three hole designed units** inherently pull
unaffected and/or outside air into the drying chamber. The
D385’s four hole design allows the restoration contractor
to set-up for effective positive, neutral or negative pressure
operation.
*Having completely separate process and regeneration airstreams.
**Where regeneration airstream is pulled from the process airstream.
Able to operate vertically or horizontally, the D385 will fit
inside most crawlspaces. Having the D385 securely inside,
rather than outside the crawlspace access, deters the
The Phoenix D385 Desiccant Dehumidifier
• Ultra low grains
• Wide operating range
• ꢀꢀ6 pints per day @ AHAM
• Operates vertically or horizontally
• Process airflow 385 CFM
• Two 23’ power cords:
ꢀꢀ Amps per cord
22 Amps
ꢀꢀ5 Volts/60 Hz
• Unlimited ducting possibilities
• Legendary stainless construction
Phoenix D385
PN 4026700
TS-387
Specifications subject to change without notice.
Revised 7/07
Toll-Free 1-800-533-7533
ꢀ
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2.2 Avoiding Secondary Damages
2 Operation
The D385 is a powerful tool capable of removing a great
deal of water from most environments. Care must be
taken to avoid secondary damages of over-drying and or
unexpected condensation.
2.1 How the Phoenix D385 works
Your Phoenix D385 has two separate air streams that run
through it – Process (Fig. ꢀ) and Reactivation (Fig. 2).
Process Air Stream:
Your Phoenix D385 removes vapor water from the incoming
process air stream (Fig. ꢀ) and transfers it to the outgoing
reactivation air stream (Fig. 2). The reactivation exhaust air
is hot and wet.
P1 – 385 CFM of air enters (ꢀ2”flex) the top of the
machine and...
P2 – ...water vapor from incoming air is deposited on the
desiccant wheel.
P3 – 385 CFM of dry air exits (ꢀ0” lay flat) the machine.
Take care to prevent the reactivation exhaust air stream
from causing secondary damage due to condensation.
Reactivation Air Stream:
R1 – 75 CFM of air enters (6”flex) the lower-side of the
machine and...
If the reactivation exhaust air stream cools below its
dewpoint liquid water will condense inside the duct work
creating puddles. If the reactivation exhaust air stream is
not exhausted completely from the structure it can also
cause secondary water damage.
R2 – passes over the heater coils.
R3 – Water vapor is picked up from the desiccant wheel by
the hot air and...
R4 – ...75 CFM of wet air exits (6”flex) the machine.
Your Phoenix D385 does not produce liquid water internal
to the machine. There is no condensate pump and no
drain hose.
The D385 desiccant dehumidifier will continue to remove
water from already dry, cold air. It is possible to over-dry
objects and or structures.
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Optional 12”
Flex-Duct
P2
CFM
385
Care must be taken to avoid secondary damages due to
over-drying.
Optional 10”
Lay Flat Duct
3
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P1
Figure 1: Desiccant process air stream.
2.3 Universal Use Set-Up
When conditions warrant the use of a desiccant
dehumidifier, use the set-up shown below (Fig. 3). This
universal set-up will produce efficient drying, while
avoiding secondary damages. The Phoenix D385 has been
designed with the goal of being easy to use every time.
R4
T
DEHUMIDIFIER
NT DEHUMIDIFIER
PORTABLE DESICCAN
Required 6”
Flex Duct
Hot
Wet Air
3
800-533-753
Duct
Outside!
Therma-Stor LLC
|
Madison, WI
|
75 CFM
R3
R2
Room or
Outdoor
75 CFM
Ambient Air
Optional 6”
Flex Duct
FIER
IDIFIER
UMIDI
6” Flex-Duct
PORTABLE DESICCANT DEHUM
R1
3
800-533-753
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WI
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Mad
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Figure 2: Desiccant reactivation air stream.
Figure 3: Universal D385 Set-up
Toll-Free 1-800-533-7533
3
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2.6B Pilot Light
2.4 Location
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.
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
2.6C Hour Meter
FaULT cIRcUIT INTeRRUPT (gFcI) OUTLeTS
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.
• The air inlet on top and the side outlet must be at least
ꢀ 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.
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.
Your Phoenix D385 requires a total of 22 amps, ꢀꢀ5VAC.
In order to run at all, this machine must be plugged into
two separate circuits each with a minimum of ꢀꢀ amps
dedicated capacity available.
Three different duct sizes are used on the D385. All
ducting materials are available from Therma-Stor LLC (see
accessories list section ꢀ).
The D385 has two separate power cords, each cord must
be plugged into its own ꢀ5 amp circuit. If both cords are
plugged into the same ꢀ5 amp circuit this circuit will trip
when the unit is turned on.
Process in: 12” flex duct.
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.
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.
Care must be taken to insure that the D385 always has
sufficient power available to run without tripping breakers
or blowing fuses.
When inflated this ducting forms a ꢀ0” circle. ꢀ0” lay flat
ducting attaches to the D385 by means of a ꢀ2”x 6” wire
rectangle. To attach lay flat ducting to the process exhaust
air (Fig. ꢀ, 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. ꢀ, P3).
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 ꢀꢀ amps: ꢀ4
gauge minimum for one extension less than 25ft in length
or ꢀ2 gauge for one extension less than 50ft in length.
Reactivation in & out: 6” flex duct.
2.6 Control Panel
2.6A Power Switch
Both reactivation air streams use the same type of duct
connections.
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).
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
ꢀ5° clockwise. After rotating pull the duct collar straight
out from the cabinet. Flex duct and collar may be stored
beneath top cover.
Toll-Free 1-800-533-7533
4
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2.8 Storage and Transportation
The Phoenix D385 can be transported and stored in either
4 Service
upright or horizontal positions.
There is a storage compartment under the top cover of
your dehumidifier. This compartment is large enough to
store reactivation collars, power cords, filter (as used), as
well as additional small items that you may require on your
job site.
CAUTION: Servicing the Phoenix D385 with its high voltage
circuitry presents a health hazard which could result in
death, serious bodily injury, and/or property damage. Only
qualified service people should service this unit.
CAUTION-ELECTRICAL SHOCK HAZARD: Electrical power
must be present to perform some tests; these tests should
be performed only by a qualified service person.
3 Maintenance
3.1 Air Filter Replacement
4.1 Warranty
The Phoenix D385 is equipped with two pleated fabric air
filters that must be checked regularly.
A warranty certificate has been enclosed with this unit;
read it before any repair is initiated. If a warranty repair
is required, call the factory first at ꢀ-800-533-7533 for
warranty claim authorization and technical assistance.
Process air stream filter:
This ꢀ6”x20”x2” filter is located in the top of your D385
underneath the top cover. The stock filter supplied carries
a MERV-ꢀꢀ filtration efficiency rating. This filter prevents
loading the desiccant wheel with foreign matter.
5 Wiring Diagram
Reactivation air stream filter:
This ꢀ2”xꢀ2 xꢀ” filter is located in the bottom of your
D385. To change the reactivation air filter, lay the D385
down in a horizontal position. The filter access slot is
located on the bottom of the machine (Fig. 4). Open
retainment clip, remove old filter, and replace with fresh
filter.
The stock filter supplied carries a 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’s capacity and efficiency and may cause the
heater coil to cut out on thermal overload.
The filter can generally be vacuumed clean several times
before needing replacement. Replacement filters can be
ordered from the factory or purchased locally if available.
DO NOT operate the unit without the filters or with less
effective filters as the desiccant wheel inside the unit will
become clogged and require disassembly to clean.
LABEL PART NO.
REV.
4026793
A
Retainment
clip
PO BOX 8050 MADISON, WI 53708
1-800-533-7533
Figure 5: electrical schematic of Phoenix D385
Figure 4: Reactivation Filter
Toll-Free 1-800-533-7533
5
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6 Service Parts List
Item
Part No.
Description
Item
Part No.
Description
ꢀ
4025076
4025224
4026784
40263ꢀ5
4026798
4026799
4026777
4926898
4026830
ꢀ9700ꢀ0
4026773
4026795
4026772
4026866
402ꢀ475
4026ꢀ94
4025043
4026304
4024078
FAN, MOTORIZED IMPELLER, PROCESS AIR
CAPACITOR, RUN, ꢀ5 MFD, 370V, DRY, PROCESS AIR
COLLAR, SHORT 6” REACTIVATION DUCT (2 PLACES)
FILTER, AIR, ꢀ2 x ꢀ2 x ꢀ, REACTIVATION AIR
FAN, MOTORIZED IMPELLER, REACTIVATION AIR
HEATER CORE, PHx D385
Not
Shown
4025078
CORD, ꢀ4/3. SjT, ꢀꢀ5V
W/PLUG 25’ (2 PLACES)
2
3
Not
Shown
4026922
GASKET AND BELT
REPLACEMENT KIT
4
5
6
7
TOP COVER, DESICCANT 385
8
THERMAL OVERLOAD CUT-OUT SWITCH, PROCESS AIR
CAPACITOR, RUN, 8 MFD, DRY, REACTIVATION AIR
CONTROL RELAY SPST ꢀꢀ0VAC COIL 25AMP CONTACTS
MOTOR, DESICCANT WHEEL
9
ꢀ0
ꢀꢀ
ꢀ2
ꢀ3
ꢀ4
ꢀ5
ꢀ6
ꢀ7
ꢀ8
ꢀ9
BELT, DRIVE, PHOENIx DESICCANT
WHEEL, DESICCANT
THERMAL OVERLOAD CUT-OUT SWITCH, REACTIVATION AIR
FILTER, AIR, ꢀ6 x 20 x 2, PROCESS AIR
SWITCH, ROCKER, DPST, ON-OFF
PLATE, SKID
WHEEL, PU ꢀ2.00, GRAY (2 PLACES)
COLLAR, DUCT, WIRE, 5.75 x ꢀ2.00
15
16
7
1
8
9
2
10
17
11
12
13
14
3
18
19
6
4
5
Specifications subject to change without notice.
Toll-Free 1-800-533-7533
6
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Phoenix D385 Dehumidifier Limited Warranty
Warrantor:
Therma-Stor LLC
PO Box 8680
Madison, WI 53708
Telephone: ꢀ-800-533-7533
Who Is covered: This warranty extends only to the original end-user of the Phoenix D385 dehumidifier,
and may not be assigned or transferred.
One Year Warranty: Therma-Stor LLC warrants that, for one (ꢀ) year the Phoenix D385 dehumidifier
will operate free from any defects in materials and workmanship, or Therma-Stor LLC will, at its
option, repair or replace the defective part(s), free of any charge.
end-User Responsibilities: Warranty service must be performed by a Servicer authorized by Therma-
Stor LLC. If the end-user is unable to locate or obtain warranty service from an authorized Servicer,
the end-user should call Therma-Stor LLC at the above number and ask for the Therma-Stor Service
Department., which will then arrange for covered warranty service. Warranty service will be performed
during normal working hours.
The end-user must present proof of purchase (lease) upon request, by use of the warranty card or
other 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’ reasonable control.
Limitations and exclusions: If any Phoenix D385 Dehumidifier part is repaired or replaced, the new
part shall be warranted for only the remainder of the original warranty period applicable thereto (but
all warranty periods will be extended by the period of time, if any, that the Phoenix D385 Dehumidifier
is out of service while awaiting covered warranty service).
UPON THE ExPIRATION OF THE WRITTEN WARRANTY APPLICABLE TO THE Phoenix D385
DEHUMIDIFIER OR ANY PART THEREOF, ALL OTHER WARRANTIES IMPLIED BY LAW, INCLUDING
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, SHALL ALSO ExPIRE. ALL
WARRANTIES MADE BY THERMA-STOR LLC ARE SET FORTH HEREIN, AND NO CLAIM MAY BE MADE
AGAINST THERMA-STOR LLC BASED ON ANY ORAL WARRANTY. IN NO EVENT SHALL THERMA-
STOR LLC, IN CONNECTION WITH THE SALE, INSTALLATION, USE, REPAIR OR REPLACEMENT OF
ANY Phoenix D385 DEHUMIDIFIER OR PART THEREOF BE LIABLE UNDER ANY LEGAL THEORY FOR
ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES INCLUDING WITHOUT LIMITATION WATER
DAMAGE (THE END-USER SHOULD TAKE PRECAUTIONS AGAINST SAME), LOST PROFITS, DELAY, OR
LOSS OF USE OR DAMAGE TO ANY REAL OR PERSONAL PROPERTY.
Some states do not allow limitations on how long an implied warranty lasts, and some do not allow
the exclusion or limitation of incidental or consequential damages, so one or both of these limitation
may not apply to you.
Legal Rights: This warranty gives you specific legal rights, and you may also have other rights which
vary from state to state.
Toll-Free 1-800-533-7533
7
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