200 HT LGR Dehumidifier
TS-302
PO Box 8680 • Madison, WI 53708
Owner’s Manual — 200 HT LGR Dehumidifier
Installation, Operation and Service Instructions
Read and Save These Instructions
The Phoenix 200 HT features LGR (low grain refrigerant) technology. This technology enables the 200 HT to remove more
water and create more grain depression than standard refrigerant dehumidifiers.
Combined with this performance, the multiple ducting and the superior high temperature performance makes the Phoenix
200 HT the most effective and versatile drying device made.
The Phoenix 200 HT
LGR Dehumidifier
In-Board Wheels - Reduces outer dimensions for
tighter storage setups and does not catch on
obstructions for easier movement around the jobsite.
Recessed Condensate Hose - Does not catch on
obstructions and allows for dense storage setups by
reducing overall width of the unit.
Increased Capacity - The Phoenix 200 HT removes 5%
more water than the 200 MAX.
Improved High-Ambient Performance - Patent pending
technology allows superior efficiency in high-ambient
conditions.
Focused Airflow - Patent pending focused outlet directs
air toward the most wet surface.
325 CFM - More processed air speeds drying and
provides superior static pressure for ducting.
More Grain Depression - The driest air from an LGR
gets your jobs drier quicker.
Air Filter - A MERV-ꢀꢀ is standard.
Multiple Ducting Options - ꢀ2” intake, ꢀ0” exhaust.
Energy Efficiency - Draws 7.5 amps.
Skid Plate - Protects the 200 HT from damage while
transporting, loading and unloading.
Phoenix 200 HT
PN 4025900
Revised 1/07
Specifications subject to change without notice.
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is directed across the evaporator. This airflow lowers
the refrigerant pressure in the condenser and improves
dehumidifier efficiency. The relative reduction or slowing
of airflow across the evaporator allows more time for the
air temperature to be lowered to the dew point, which
also increased dehumidifier efficiency. These higher
temperatures are often found after the first 24 hours.
See Figure ꢀ for correct grain control magnet position for
operating in temperatures above 90°F.
2.3 Condensate Removal
The Phoenix 200 HT is equipped with an internal
condensate pump to remove the water that is condensed
during dehumidification. This allows the condensate to be
pumped 20’ with the attached hose. If the condensate
must be pumped more than 20 feet above the unit, a
second pump must be added to relay the condensate. If
the pump fails and the unit must be used before it can be
replaced, the condensate can be drained by gravity.
The air inlet on top and the side outlet must be at least
ꢀ 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.
2.4 Ducting
A detachable rectangular exhaust collar is supplied to
allow ꢀ0” round lay-flat duct to be attached to the Phoenix
200 HT outlet. Lay-flat plastic ducting is available. See
accessories on page 6. To attach ducting to a collar, put
the plastic duct end through the collar center and roll the
duct end outward so that it overlaps the outside of the
collar. The duct and collar may then be quickly attached to
the Phoenix 200 HT by snapping the collar over the four
screws at the blower outlet.
Figure 1: Defrost timer and grain control magnet position for
operating in temperatures above 90°F.
Between 50°F - 90°F - When the Phoenix 200 HT is used
in normal dehumidifier operating temperatures (70°F to
90°F), the grain control magnet should cover the bypass
openings.
2.5 Power Switch
This allows increased airflow across the evaporator and
increases performance by increasing the amount of air
that is dehumidified. This temperature range is often
found during the first 24 hours of a drying job. When the
Phoenix 200 HT is used in cooler operating temperatures
(50°F to 70°F), the grain control magnet increases airflow
across the evaporator and reduces frost formation. See
Figure 2 below for correct grain control magnet position for
operating in temperatures from 50°F to 90°F.
The power switch (right of hour meter) lights up when
the unit is turned on. The unit will continue to run in
all conditions until the switch is turned off; there is no
dehumidistat. If the unit is going to run for more than 2
hours in an area below 50°F, the defrost timer should be
adjusted to improve performance.
2.6 Purge Switch
Pressing and holding the purge switch (left of hour meter)
will cause the condensate pump to run. This pump
minimizes the water left in the condensate reservoir prior
to moving or storage. Hold the switch in until the flow from
the condensate hose stops.
2.7 Hour Meter
The digital hour meter measures the cumulative time that
the unit is turned on to tenths of an hour. It stores its
total when the unit is unplugged; the previous total will be
displayed when the unit is next turned on. It resets to zero
after 99,999.9 hours of operation.
Figure 2: Defrost timer and grain control magnet position for
operating in temperatures above 50°F to 90°F.
Below 50°F -When the Phoenix 200 HT is used in very cool
operating temperatures (below 50°F), frost will form on
the evaporator coil as it dehumidifies. When enough frost
forms, the defrost thermostat will initiate the timed defrost
cycle. The cycle periodically turns off the compressor while
allowing the blower to run. The grain control magnet should
cover the bypass openings in this operating range because
the increased airflow and static pressure will help defrost
2.8 Temperature Specific Operation
Above 90°F - When the Phoenix 200 HT is used in high
temperature conditions (above 90°F), the refrigerant
pressure inside the condenser rises. By removing the
grain control magnet from the bypass openings, additional
airflow is directed over the condenser and less airflow
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the evaporator more quickly and efficiently. See Figure 3
below for correct grain control magnet position and defrost
timer for operating in temperatures below 50°F.
3 Maintenance
3.1 Air Filter
The Phoenix 200 HT is equipped with a pleated fabric air
filter that must be checked regularly. The standard filter
is a MERV-ꢀꢀ high efficiency filter. Operating the unit with
a dirty filter will reduce the dehumidifier’s capacity and
efficiency and may cause the compressor to cycle off and
on unnecessarily on the defrost control.
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.
Figure 3: Defrost timer and grain control magnet position for
operating in temperatures below 50°F.
WARNING: DO NOT operate the unit without the filter or
with a less effective filter as the heat exchange coils inside
the unit could become clogged and require disassembly to
clean.
DRYING TIP: Air’s ability to absorb moisture from wet
surroundings and the Phoenix 200 HTs ability to remove
moisture from that air is greatly improved at higher
temperatures. The defrost cycle is automatic and designed
for optimum performance above 50°F. If the unit is used
in an area that is below 50°F for more than 2 hours,
adjustment of the defrost timer is recommended.
3.2 Storage
There are two issues to consider when the Phoenix
200 HT is stored between uses and both pertain to the
water trapped in the unit: damage caused by freezing or
biological growth.
To adjust the defrost timer:
ꢀ. Unplug the unit.
The effect of the trapped water can be greatly reduced
if precautions are taken to remove as much as possible
before storage.
2. Remove the top panel and the front cover (6 screws).
3. The timer is fastened to the base at the front of the
unit. Every third peg around the dial is pushed out
from the dial center except one section with 4 pegs
out in a row. The grain control (8 holes at the intake
of the unit below the filter) should be open. Refer to
Figures 2 and 3.
ꢀ. Use the pump purge switch to reduce the water level
in the reservoir.
2. Stretch the hose flat to drain it completely.
If the unit will not be exposed to freezing temperatures, an
alternative to reduce biological growth is to flush the unit
with a bio-fungicide that is approved for use with copper,
aluminum and polyethylene. To flush:
4. To improve performance below 50°F, the compressor
“off” time must be increased to allow the frost to
completely melt. To do this, push the pegs out from
the dial center so that the pegs alternate with 2
toward the center, then 2 out from the center, all the
way around the dial except for the section now with 6
pegs out in a row. Refer to Figure 3.
ꢀ. Run the hose to a drain.
2. Remove the air filter. Slowly pour a quart of the
chemical through the top grille so that it drains into
the plastic slots.
4. Hold in the pump purge switch to reduce the water
level in the reservoir.
5. Replace the cover and top panel.
2.9 Low Pressure Control
If the low side refrigerant pressure drops to ꢀ5 PSIG, the
low pressure control opens and shuts off the compressor
and blower. It is an automatically reset control. Its primary
function is to prevent damage to the compressor if a leak
develops in the refrigeration system. It may also open if
the unit is A) used in a cool area (below 50°F) and the
defrost timer is not adjusted or B) stored where it is below
40°F and then started. Under these conditions, the unit
will restart within several minutes; it may cycle several
times until the unit warms up.
4 Service
WARNING: Servicing the Phoenix 200 HT with its high
pressure refrigerant system and 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.
Do not operate unit without the front panel in place.
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Some dehumidification, blower runs continuously but
compressor only runs sporadically.
ꢀ. Unit is in defrost cycle.
2. Defrost thermostat defective or loose.
3. Loose connection in compressor circuit.
4. Defective compressor overload.
5. Defective compressor.
6. Defective relay.
No dehumidification, blower runs but compressor does not.
ꢀ. Bad connection in compressor circuit.
2. Pump safety switch closed.
3. Defective compressor capacitor.
4. Defective compressor overload.
5. Defective compressor.
Figure 4: Refrigeration system
6. Defective relay.
4.1 Technical Description
The Phoenix 200 HT uses a refrigeration system similar
to an air conditioner’s to remove heat and moisture from
incoming air and to add heat to the air that is discharged.
Blower does not run. Compressor runs briefly but cycles on
and off.
ꢀ. Loose connection in blower circuit.
2. Obstruction prevents impeller rotation.
3. Defective blower.
Hot, high pressure refrigerant gas is routed from the
compressor to the condenser coil. The refrigerant is cooled
and condensed by giving up its heat to the air that is about
to be discharged from the unit. The refrigerant liquid then
passes through a filter/drier and capillary tubing which
cause the refrigerant pressure and temperature to drop. It
next enters the evaporator coil where it absorbs heat from
the incoming air and evaporates.
Unit removes some water but not as much as expected.
ꢀ. Air temperature and/or humidity have dropped.
2. Humidity meter and/or thermometer used are out of
calibration.
The evaporator operates in a flooded condition, which
means that all the evaporator tubes contain liquid
refrigerant during normal operation. A flooded evaporator
should maintain constant pressure and temperature
across the entire coil, from inlet to outlet.
3. Unit has entered defrost cycle.
4. Air filter dirty.
5. Defrost timer incorrectly set for conditions.
6. Defective defrost thermostat.
7. Low refrigerant charge.
The mixture of gas and liquid refrigerant enter the
accumulator after leaving the evaporator coil. The
accumulator prevents any liquid refrigerant from reaching
the compressor. The compressor evacuates the cool
refrigerant gas from the accumulator and compresses it to
a high pressure and temperature to repeat the process.
8. Air leak such as loose cover.
9. Defective compressor.
ꢀ0. Restrictive exhaust ducting.
Unit runs but does not pump water.
ꢀ. Hose kinked or plugged.
4.2 Troubleshooting
2. Pump motor or float switch defective.
3. Pump check valve plugged.
4. Bad connection in pump circuit.
5. Hose disconnected internally.
No dehumidification, neither blower nor compressor run
and power switch does not light when ON.
ꢀ. Unit unplugged or no power to outlet.
2. Power switch defective.
3. Loose connection in internal wiring.
Unit pumps water automatically but not when purge switch
is pushed.
No dehumidification, neither blower nor compressor run
with power switch ON and lit.
ꢀ. Bad connection in purge switch circuit.
2. Defective purge switch.
ꢀ. Low pressure control open.
2. Power switch defective.
3. Loose connection in internal wiring.
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Evaporator coil frosted continuously, low dehumidifying
capacity.
ꢀ. Defrost thermostat loose or defective.
2. Defrost timer incorrectly set or defective.
3. Low refrigerant charge.
4. Dirty air filter or air flow restricted.
Compressor runs with power switch OFF.
ꢀ. Defective relay.
2. Defective power switch.
4.3 Blower Replacement
The motorized impeller has a PSC motor and internal
thermal overload protection. If defective, the complete
assembly must be replaced.
Figure 7: Condensate pump
ꢀ. Unplug the power cord.
2. Remove the top panel and cabinet front (6 screws).
3. Disconnect the impeller leads.
4.5 Condensate Pump
Condensate is automatically pumped when the water level
in the pump’s reservoir rises to close the float switch or if
the pump purge switch is held in.
4. Remove four screws holding the impeller to the
impeller brackets.
5. Remove four screws holding the impeller brackets to
the condenser shroud.
To replace the condensate pump:
ꢀ. Remove the metal strap holding the pump by loosening
the 2 screws holding it in place.
6. Remove impeller and impeller brackets. Use care to
avoid hooking wiring, tubing or electrical components.
2. Disconnect the leads.
7. Reassemble with the new impeller in the above
procedure reversed.
3. Installation is the reverse of above, but check that
the plastic inlet and outlet hoses do not rub against
copper refrigerant tubes.
4.4 Defrost Thermostat and Timer
The defrost thermostat is attached to the refrigerant
suction tube between the accumulator and compressor.
If the low side refrigerant temperature drops due to
excessive frost formation on the evaporator coil, the
thermostat opens. The compressor is then cycled off and
on by the defrost timer. The blower will continue to run,
causing air to flow through the evaporator coil and melt the
ice when the compressor is off. When the air temperature
and/or humidity increase, the evaporator temperature
will rise and the thermostat will close to end the defrost
cycle. To improve performance in low temperatures refer to
Section 3 for defrost timer adjustment.
4.6 Gravity Drain Option
If the condensate pump fails and cannot be replaced
immediately, the Phoenix 200 HT can be used by draining
by gravity.
ꢀ. Unplug the unit and remove the front cover.
2. Push the plastic plug on the left side out from inside
the unit.
3. Locate the heavy vinyl hose that connects the drain
pan to the condensate pump. Pull the end out of the
pump.
4. Push that end of the vinyl hose through the hole in the
left side.
5. Connect a garden hose and run it to a drain. Keep
the hose as flat to the floor as possible to avoid air
pockets that would hinder draining. Placing the unit on
something above the floor will also improve draining.
Figure 5: Defrost thermostat
Figure 6: Defrost timer
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4.7 Relay
5 Options and Accessories
The contacts of the single pole, single throw relay
complete the power circuit to the compressor. The
contacts are closed when power is provided to the relay
coil via the control circuit. The control circuit includes the
power switch, low pressure control, defrost thermostat and
timer.
4024682
4024750
4024935
Air Filter, Pleated, 2” x ꢀ6” x 20”
57% MERV-8
Intake Flex Duct
ꢀ2” x 25” Metalized Polyester
Lay-Flat Duct, ꢀ0” Round x 250’ Roll
6 Wiring Diagram
Figure 8: Wiring diagram
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8 Service Parts
Item Description
Item Description
Qty
ꢀ
Part No.
Qty
ꢀ
Part No.
ꢀ7
ꢀ8
ꢀ9
20
2ꢀ
22
Pump Purge Switch
402ꢀ796
402ꢀ597
402ꢀ822
402569ꢀ
4025723
ꢀꢀ77792
40255ꢀ7
ꢀ223780
ꢀ
2
3
4
Air Filter, Pleated, 2 X ꢀ6 X 20
Cord
402ꢀ475
4025078
4023362
4025676
40248ꢀ6
4025454
4025295
40249ꢀ0
4024073
402ꢀ823
40222ꢀ9
4025087
40222ꢀ3
Hour Meter
ꢀ
ꢀ
Power Switch
ꢀ
Front Panel Retaining Nut, ꢀ/4-20 ꢀ
Skid Plate
ꢀ
Wheel, 8”
2
2
2
2
ꢀ
2
ꢀ
ꢀ
ꢀ
ꢀ
Instruction Label
Handle Screw (Mꢀ0-ꢀ.5 x 35)
Handle Washer
ꢀ
Wheel Hub Cap
ꢀ
Retaining Ring
ꢀ
Hub Cap Retaining Washer
Coupling Body, ꢀ/4 Tube
Foot
Handle Nut (Mꢀ0-ꢀ.5)
ꢀ
5
6
Items listed below are not shown
Drain Hose (.25 ID X 33’ long)
Front Panel Screw, ꢀ/4-20 X ꢀ/2
Wire Duct Collar (Discharge)
Magnet, Grain Control Cover
Condenser Coil
7
Defrost Timer
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
40249ꢀ6
ꢀ096006
4024078
4025728
402ꢀ396
4023649
4025076
ꢀ9700ꢀ0
40249ꢀ2
4025224
8
Low Pressure Control
Filter/Drier
9
ꢀ0
Compressor, Carlyle
(P/N EAA090ꢀꢀꢀA)
Overload, Carlyle Compressor
Capillary Tubes
ꢀ
2
ꢀ
4022476
402ꢀ589
402ꢀ470
402ꢀ648
402ꢀ395
4022254
4024903
4026094
Condensate Pump
ꢀꢀ
ꢀ2
Motorized Impeller Fan
Defrost Thermostat
Relay, Compressor
Defrost Thermostat Mounting Clip ꢀ
Run Capacitor, Comp. 25 μF
Run Capacitor, Fan, ꢀ5 μF
ꢀ3
ꢀ4
ꢀ5
ꢀ6
Evaporator Coil
Accumulator
Top
ꢀ
ꢀ
ꢀ
ꢀ
Handle Assembly
1
17 18
16
19
15
21
2
14
3
13
20
22
12
11
10
9
4
8
5
6
7
Specifications subject to change without notice.
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Phoenix 200 HT 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 200 HT
dehumidifier, and may not be assigned or transferred.
Year One: Therma-Stor LLC warrants that, for one (ꢀ) year the Phoenix 200 HT 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.
Years Two Through Five: Therma-Stor LLC further warrants that for a period of five (5) years, the
condenser, evaporator, and compressor of the Phoenix 200 HT dehumidifier will operate free of
any defects in material or workmanship, or Therma-Stor LLC, at its option, will repair or replace the
defective part(s), provided that all labor and transportation charges for the part(s) shall be borne by
the end-user.
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, he 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 enduser 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.
Limitation and Exclusions: If any Phoenix 200 HT 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 200 HT
Dehumidifier is out of service while awaiting covered warranty service).
UPON THE EXPIRATION OF THE WRITTEN WARRANTY APPLICABLE TO THE PHOENIX 200 HT
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 200 HT 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.
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