Therma Stor Products Group Dehumidifier DEH 3000R User Manual

INSTALLER’S & OWNER’S MANUAL  
HVAC INSTALLER: PLEASE LEAVE MANUAL FOR HOMEOWNER  
DEH 3000R  
Part No. 4028407  
Dehumidifier & Ventilation System Controller  
P.O. Box 8680 Madison, WI 53708 TOLL-FREE 1-800-533-7533 www.thermastor.com [email protected]  
© 2008 Therma-Stor LLC • Manual P/N TS-506b  
 
The White wire controls the optional motorized damper  
that can be installed into a fresh air duct. This damper  
provides the ability to control fresh air ventilation using  
the ventilation timer function of the DEH 3000R and  
the terminal labeled “DMP” on the DEH 3000R (See  
Section 3.8). Leave the “DMP” terminal unused if a  
motorized damper is not used, and cap off the White  
wire from the Ultra-Aire dehumidifier.  
2.2 Wiring  
WARNING! DO NOT ALLOW THE YELLOW  
WIRE FROM THE ULTRA-AIRE DEHUMIDIFIER TO CONTACT  
THE RED OR WHITE WIRES FROM THE ULTRA-AIRE  
DEHUMIDIFIER, DAMAGE TO THE 24-VOLT TRANSFORMER  
WILL RESULT.  
WARNING! THE REMOTE CONTROL OF THE  
ULTRA-AIRE DEHUMIDIFIER OPERATES ON A LOW VOLTAGE  
CIRCUIT (24 VAC) AND MUST NEVER CONTACT OR BE  
CONNECTED TO A HIGH VOLTAGE CIRCUIT.  
Standard wire colors for thermostats are as follows:  
Description  
24VAC  
Color  
Red  
Terminal code  
R
Call for Heat  
Force Fan On  
White  
Green  
W or W1  
G
WARNING!UNPLUG THE ULTRA-AIRE  
DEHUMIDIFIER BEFORE WIRING THE DEH 3000R.  
Compressor  
Call for Cooling  
The installer must supply all field wiring, including the  
wiring between the Ultra-Aire dehumidifier and the DEH  
3000R. Some of the control wires leaving the Ultra-Aire may  
not be used in some control situations and should be left  
disconnected with wire nuts taped onto the stripped ends.  
Yellow  
Y or Y1  
2.3 Auxiliary relay operation  
It may be desirable to coordinate fan operation of the central  
heating/cooling system with dehumidifier operation.The DEH  
3000R contains a relay that provides this ability.  
Be sure to consult the electrical schematic in this manual or  
the internal electrical box of the Ultra-Aire dehumidifier before  
making any control connections.  
The relay terminals labeled NC, COM and NO operate according  
to the following chart:  
DEHUMIDIFIER  
COM to NO  
CONNECTED  
OPEN  
COM to NC  
OPEN  
ON  
OFF  
CONNECTED  
Common uses (assuming standard thermostat wiring colors as  
noted):  
WARNING!ONLY CONNECT THE WHITE WIRE  
TO THE CONTROL IF IT IS WIRED IN A CIRCUIT THROUGH  
AN ELECTRIC DAMPER, OTHERWISE TRANSFORMER  
DAMAGE MAY RESULT.  
Lock-out the A/C during dehumidification  
This will turn off the A/C whenever the dehumidifier runs.  
1. Wire the Yellow thermostat terminal to the NC terminal on  
the DEH 3000R.  
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2. Run the Yellow wire from the A/C unit to the COM terminal  
on the DEH 3000R.  
wiring from the A/C transformer is used to set up the Lock-in  
dehumidifier function.  
1.The common wire from the existing A/C transformer (usually  
Black) must be attached to the Yellow wire from the Ultra-Aire  
dehumidifier.  
Red  
A/C  
Unit  
TIP: The common wire can be identified as the wire  
from the A/C transformer that reads 0 volts between it  
and the Yellow air conditioning call for cooling wire.The  
incorrect wire will give a 20 to 28 volt reading.  
Green  
Yellow  
2.Another Yellow wire must be added to the thermostat Yellow  
terminal and run to the “OFF DET” sensor terminal on the  
DEH 3000R.  
Energize the A/C central fan during dehumidification  
To automatically run the A/C FAN when the dehumidifier runs.  
1. Attach a second Green wire to the Green fan wire terminal  
on the thermostat.  
2. Connect the new Green wire to the COM terminal on the  
DEH 3000R.  
3. Run a wire from the Red terminal on the thermostat to the  
NO (Normally Open) terminal on the DEH 3000R.  
TO A/C  
Deactivate dehumidification when the  
air-conditioner is running  
A voltmeter is required for the next steps to ensure the correct  
wiring from the A/C transformer is used to set up the Lock-out  
dehumidifier function.  
Red  
A/C  
Unit  
Green  
Yellow  
1. The common wire from the existing A/C transformer  
(usually Black) must be attached to the Yellow wire from  
the Ultra-Aire dehumidifier.  
2.4 Dehumidifier lock-OFF or lock-ON:  
A/C sensor feature  
To automatically activate or deactivate the dehumidifier when  
the air conditioner runs.  
TIP: The common wire can be identified as the wire  
from the A/C transformer that reads 0 volts between it  
and the Yellow air conditioning call for cooling wire. The  
incorrect wire will give a 20 to 28 volt reading.  
2. Another Yellow wire must be added to the thermostat  
Yellow terminal and run to the “ON DET” sensor terminal  
on the DEH 3000R.  
Activate dehumidification when the air-conditioner  
is running  
TO A/C  
A voltmeter is required for the next steps to ensure the correct  
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d. Release the “VENT” button, then press it again to switch  
vent mode to “OPEN”.  
2.5 Testing  
Verify the wiring connections.  
e. Confirm that the Ultra-Aire fan is ON.Ventilation damper is  
OPEN. Ultra-Aire compressor must be OFF.  
WARNING! ONLY CONNECT THE WHITE WIRE  
TO THE CONTROL IF IT IS WIRED IN A CIRCUIT THROUGH AN  
ELECTRIC DAMPER, OTHERWISE TRANSFORMER DAMAGE  
MAY RESULT.  
f. Press and hold the “VENT” button until the “OPEN”  
flashes on the display.  
g. Release the “VENT” button, then press it again to switch  
vent mode to “CLOSED”.  
After checking the wiring, this short test will confirm proper  
hook-up.  
1. Install front cover of the DEH 3000R; connect the top first,  
then the bottom.  
WARNING! DO NOT MAKE ANY OTHER  
CONNECTIONS OR TRANSFORMER DAMAGE MAY RESULT.  
2. Plug in the Ultra-Aire dehumidifier. The DEH 3000R should  
power up.  
7.Verify any additional optional control operations such as fan  
interlock or A/C lockout.  
3. Turn the DEH 3000R ON by pressing the “ON/OFF” button.  
8. Proceed to the Operation section.  
4. Verify dehumidification operation by adjusting the RH  
“SETPOINT” to below the “%RH” reading on the display.  
Use the down “RH” button. Confirm Ultra-Aire fan and  
compressor operation. Both should be ON now.  
2.6 Troubleshooting  
FOR THE HVAC PROFESSIONAL:  
n
No display on initial start up.  
Increase the RH “SETPOINT” on the display to well above the  
“%RH” reading on the display. Press the “RH” up arrow to  
increase the RH “SETPOINT”.  
Note: This is often the result of a drained capacitor. The  
capacitor will recharge once power is applied or re-applied to  
the unit.  
After running the dehumidifier compressor the DEH 3000R  
applies a 10 minute restart lockout on all functions.You will  
have to wait for the restart lockout to expire.  
– Verify unit has power.  
– Turn unit off then on.  
5.Verify FAN-only operation:  
– Disconnect the unit from power source then re-apply  
power to the unit. Display should now operate.  
a. Check the “VENT” mode on the display, it will either  
be “CLOSED” or “OPEN”. If it is “CLOSED” go to the  
next step. If it is “OPEN”, press and hold the “VENT”  
key until “OPEN” flashes on the display, release the key  
and then press it one more time. “OPEN” will change to  
“CLOSED”. Don’t touch the keys for several seconds until  
it stops flashing.  
n
Function not working properly.  
– Verify wiring.  
– Verify voltage with voltmeter.  
n
Dehumidifier not working properly.  
b. Press and hold the “FAN” button until “AUTO” begins  
flashing on the display, release it, and then press it again  
to switch the fan to the “ON” setting.  
– See chart below:  
Wire connections  
Yellow & Blue  
Operation  
c. Confirm that the Ultra-Aire fan is ON. Ultra-Aire  
compressor must be OFF.Ventilation damper (if used)  
should be CLOSED.  
Fan & Compressor  
Fan Only  
Yellow & Green  
6.Verify optional VENT operation (if electric damper is installed):  
a. Press and hold the “FAN” button until “ON” flashes on  
the display.  
b. Release the “FAN” button, then press it again to switch  
fan operation to “AUTO”.  
c. Press and hold the “VENT” button until “CLOSED”  
flashes on the display.  
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seconds, the control will remember any changes made and  
return to the normal display screen, allowing you to proceed to  
the next step.  
FOR INSTALLER & HOMEOWNER:  
3. Operation  
On the display screen, a solid “O” in front of any of the 3  
functions (SETPOINT,VENT, FAN) indicates the function is  
operating.A ashing “O” indicates it is in a wait mode and  
not available at the moment. No “O” indicates the function is  
currently OFF.  
3.3 Personal Settings reference list  
Please record your settings here.  
Function  
SETPOINT (%RH)  
VENT  
Factory setting  
My Setting  
50%  
Closed  
Auto  
99°  
Solid “O” before  
SETPOINT  
VENT  
Indicates  
Dehumidifier on  
FAN  
Fresh air ventilation cycle in progress  
Fan on  
TEMP CUTOUT  
FAN  
3.4 On/Off and display items  
Wait mode is a factory-programmed time period meant to  
prevent short cycles.This extends the life of the dehumidifier.  
When a flashing “O” is encountered, the unit is in wait mode  
and IT COULD BE UP TO 10 MINUTES BEFORE OPERATION  
RESUMES.  
Press the “ON/OFF” button to turn the system ON or OFF.  
When the system is ON, the setpoint, fan status, operation mode  
(RUN or HOLD), and fresh air vent status is displayed.  
3.1 Display  
• Whenever there is power to the control, it will display the time,  
the day, % relative humidity, and temperature.  
• When the control is actually switched ON, the %RH setpoint,  
fan status, run mode (program or hold), and fresh air  
ventilation status is displayed.  
When the system is OFF, the control will display the time, day,  
%RH, and temperature.  
When the unit is shipped, it is in manual (hold) mode.  
• When a key is pressed the display will light for approximately  
½ a minute.  
• The Time and Day is displayed at the top of the screen.  
• RH and Temperature are displayed in real time.  
• A solid “O” before the SET POINT,VENT, OR FAN indicates the  
function is operating.  
3.5 Setting Clock Time  
1. Press and hold the “CLOCK” button.The hour display will  
flash. Release the button.  
• A flashing “O” before the SET POINT,VENT, OR FAN indicates  
the unit is in wait mode.  
2. Use the up/down “RH” buttons to change the value.  
3.2 Setting  
3. Press the “CLOCK” button again and the minute display will  
flash. Use the “RH” buttons to change the value.  
During the set-up process, if you make a mistake, simply  
continue.You can always go back to adjust the settings. If you  
leave the control alone and don’t touch any buttons for 10  
4. Press the “CLOCK” button again and AM or PM will flash.  
Use the “RH” buttons to change the value.  
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5. Press the “CLOCK” button again and the day display will  
flash. Use the “RH” buttons to change the value.  
3.7 Fan Setting and Operation  
Use the “FAN” button to change the fan operation.There are 2  
choices for fan operation: “ON” or “AUTO”.The factory preset  
is “AUTO”.  
6. Don’t touch any buttons for several seconds until the display  
stops flashing, this will save your settings. If you need to  
change anything go back to step #1.  
“ON” –The fan in the Ultra-Aire dehumidifier will run  
continuously.This does not affect either the dehumidification  
or ventilation functions of the system.The system may or may  
not be ventilating or dehumidifying while the fan is running.This  
setting is commonly used for maximum air filtration and/or air  
recirculation.  
3.6 Adjusting the relative humidity “SETPOINT”  
The DEH 3000R senses the ambient relative humidity (%RH) of  
the space in which it is located, it comes factory preset to hold  
50% relative humidity.  
The relative humidity “SETPOINT” (desired RH to be  
maintained) operates the dehumidifier function of the Ultra-Aire  
dehumidifier. It has no effect on the optional VENT (fresh air  
ventilation) or FAN (household air recirculation) functions if they  
are being used.  
“AUTO” – Indicates the fan will run when the DEH 3000R calls  
for dehumidification or ventilation. If the control has not called  
for dehumidification for 3 hours, the control will automatically  
run the dehumidifier fan for 10 minutes.  
After a dehumidification cycle, the fan automatically shuts off  
for 10 minutes.This pause allows the water to drain from the  
dehumidifier.  
Operation  
The standard range that the dehumidifier holds around your  
“SETPOINT” is 3%.With a setpoint of 50%, the dehumidifier  
will run until the relative humidity reaches 47%.The  
dehumidifier will then switch off until the relative humidity  
reaches 53%.  
A solid “O” indicates the fan is operating.A ashing “O”  
indicates the fan is in a wait mode. No “O” indicates the fan is  
OFF.  
To set the operation:  
1. Press and hold the “FAN” button.The current fan setting will  
begin to flash on the display. Release the button.  
2. Press the “FAN” button to toggle between the “ON” and  
“AUTO” modes.  
If the setpoint is higher than the ambient relative humidity, the  
space does not need to be dehumidified so the dehumidifier will  
not run.  
Example: Setpoint: 50% RH  
With the fan in the “AUTO” mode, the fan will operate only  
when needed by other functions of the system.The fan will  
remain OFF unless the system is dehumidifying or ventilating.  
The fan always runs during dehumidification and ventilation and  
the fan “O” icon will be lit.To completely turn the system OFF,  
use the “ON/OFF” button as described earlier.  
Current condition: 45% RH –The dehumidifier will be off (no “O”  
indicator will be displayed).  
If your setpoint is below the ambient condition, the dehumidifier  
will be on and “O” will display.  
Example: Setpoint: 50% RH  
Current condition: 55% RH –The dehumidifier will be on (“O”  
displayed).  
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3.8 Damper Operation and Ventilation,  
Manual (Hold) Mode  
The “VENT” setting controls the ventilation function of the  
system. It has no control over the dehumidification function. In  
order to provide ventilation, the motorized damper must be open  
and the fan must be running.The controller takes care of these  
two functions automatically so that whenever the damper is  
open, the fan is running.  
The ventilation indicator “O” will be displayed whenever the  
unit is ventilating.The fan operation indicator “O” will also be lit.  
The DEH 3000R will operate fresh air ventilation according to  
your ventilation program.The control needs to be programmed  
to turn the ventilation function ON and OFF at the desired  
intervals.This is done by programming the ventilation timer.  
There are three damper operation modes:  
1. “OPEN” – hold mode:The damper will be open and the  
dehumidifier fan will be continuously operating to introduce  
fresh air into the space. Use this mode for continuous fresh  
air ventilation.The fan is always on when the damper is open.  
There are two programs available for ventilation:  
1. Monday through Sunday  
2. “CLOSED” – hold mode:The damper will never open, and  
the dehumidifier will not ventilate.The fan will still operate  
normally for recirculation and dehumidification.  
2. Monday through Friday & Saturday/Sunday  
Each block of days has a morning schedule and a night  
schedule. Morning is the first 12 hours of the day and night is  
the second 12 hours.  
3. “PROGRAMMED” mode:The DEH 3000R will operate the  
motorized damper and the dehumidifier fan according to the  
programmed ventilation schedule (Section 3.9).  
Each schedule has:  
The factory preset for the “VENT” setting is “CLOSED”.  
• A “START” time when the ventilation schedule begins,  
• An “OPEN FOR” duration for the amount of time the damper  
stays open in 5 minute intervals, from 0 to 60,  
To set “OPEN” – hold or “CLOSED” – hold ventilation  
operation:  
1. Press the “VENT” button.The current setting will begin to  
flash on the display. Release the button.  
• And “CLOSED FOR” duration which closes the damper for a  
specified time in 5 minute intervals from 0 to 60.  
2. Press the “VENT” button again to switch between “OPEN”  
and “CLOSED”.  
Setting the Ventilation Program:  
1. Press the “PROGRAM ENTER” button until the following  
menu appears:  
3. Leave the control alone for 10 seconds and your settings will  
be saved.  
3.9 Damper Operation and Ventilation,  
Programmed Ventilation  
This example shows the system in program mode (denoted by  
the schedule 15 minutes on, 5 minutes off and the word RUN in  
the lower right corner of the display).  
2. Using the up/down “RH” buttons, highlight “PROGRAM”  
and select it by pressing the “PROGRAM ENTER” button.  
The following menu appears:  
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7-day version or the weekday/weekend split version), use the  
down “RH” button to highlight the EXIT option and then press  
“PROGRAM ENTER” to select it.  
Running the Ventilation Program  
Press and hold the “PROGRAM ENTER” button until the  
“PROGRAM” screen appears.  
Use the down “RH” button to highlight “RUN PROGRAM”:  
You can select from:  
“MON-FRISAT-SUN” for separate weekday and weekend  
schedules, or “MON-SUN” which gives you equal weekday and  
weekend schedules.  
3. Using the Up/Down “RH” buttons, highlight and then select  
one of the two choices.The example given shows how to  
program separate weekday and weekend schedules.The same  
method is used if you choose the other program.  
Then press “PROGRAM ENTER” to select it.The display will  
appear as follows:  
Example: menu when you select “MON-FRISAT-SUN”:  
1. Enter the starting time for weekdays using the up/down “RH”  
buttons to change the time.  
2. Press the “PROGRAM ENTER” button to switch to the  
“OPEN FOR” setting. Using the up/down “RH” buttons,  
change the duration that the damper will ventilate fresh air.  
4.0 Temperature Cutout Programming  
Dehumidifiers produce heat when dehumidifying and depending  
upon outside conditions, the ventilation function may also  
introduce warm air. Some conditions may introduce enough  
heat to drive household temperatures up.The DEH 3000R  
temperature cutout feature disables all Ultra-Aire operations if  
household temperatures reach the cutout setpoint.  
3. Press the “PROGRAM ENTER” button to switch to the  
“CLOSED FOR” setting. Using the up/down “RH” buttons,  
change the duration that the damper will remain closed  
between ventilation cycles.  
For the example given, starting at 8:00AM in the morning, the  
control will ventilate fresh air for 15 minutes then stop for 15  
minutes.This schedule of 15 minutes open, 15 minutes closed  
will continue until the start time of the night schedule.  
In most installations this feature will not need to be used (the  
cutout is factory set to 99°F). If a lower temperature cutout  
is desired, program the setpoint by pressing and holding the  
“PROGRAM ENTER” button until the “PROGRAM” screen  
appears. Press the up/down “RH” buttons until “TEMP  
CUTOUT” highlighted.Then press the “PROGRAM ENTER”  
button again to select it. Now use the “RH” up or “RH” down  
buttons to adjust the setpoint. Press “PROGRAM ENTER” to  
return to the home screen.  
Morning schedule is available anytime from 12:00AM until  
11:59AM.  
Night schedule is available anytime from 12:00PM until  
11:59PM.  
4. Press “PROGRAM ENTER” again to go to the “MON-FRI”  
night schedule. Repeat the steps listed above for this and the  
“SAT-SUN” day and night schedules.  
When you have finished programming your schedule (either the  
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5.0 DEH3000R — Remote sensor option. This section is applicable only to customers who have  
purchased a remote sensor package. The standard DEH 3000 controller does not offer remote  
functionality.  
limit sensor distance. Thicker gauges will not work with  
splice connectors provided.  
5.1 Remote Sensor Usage  
IMPORTANT!  
• Avoid routing parallel to high voltage wiring.  
• The use of spray paint on the sensor housing may damage  
the sensor and is not covered by the product warranty.  
• Maintain a distance of 2 ft. or more from high voltage lines.  
2. Sensor connection:  
The remote sensing option is used when an installation  
The sensor can be mounted to a wall or ceiling surface.  
requires mounting the DEH 3000R out of the conditioned  
Ideal sensor location is 5 ft. above the floor. Wires should  
space or when it is desired to specifically monitor and  
exit through a ½” diameter hole in the mounting surface at  
control the conditions at a particular location in a larger  
the mounting location. Use the provided splice connectors to  
conditioned space.  
connect the 4 wires from the remote sensor to the user-  
supplied interconnect wire. Be sure to keep proper colors  
attached to each other.  
Both the need for and location of the remote sensor should  
be determined by a heating/cooling professional. In most  
installations, the onboard sensor in the DEH 3000R will be  
sufficient to monitor and control the conditioned space.  
3. Sensor mounting:  
Peel the backing from the self-adhesive tape on sensor  
housing and stick in place. Apply pressure to insure  
permanent placement.  
5.2 Install and Wiring Instructions  
1. Routing signal wires:  
• When installing the sensor, use the “up” marking when  
placing the sensor on a vertical wall. This will help keep your  
sensor clean and free of dust.  
You will be required to supply and route 24 gauge, 4  
conductor solid wire (2-line telephone wire) between the  
DEH 3000R controller and the remote sensor location. The  
wiring run should be no longer than 100 ft. Avoid routing  
this interconnect wire parallel to high voltage wiring.  
Maintain a distance of 2 ft. or more from high voltage lines.  
4. Controller connection:  
Use the provided splice connectors to connect the 4 wires  
from the DEH 3000R to the user-supplied interconnect wire.  
Be sure to keep the proper colors attached to each other.  
• Do not run wires longer than 100 ft.  
Continue with the installation as described in the rest of this  
manual.  
• The use of 24 gauge wire is optimal. Thinner gauge wire  
may  
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Dehumidifier & Ventilation System Controller  
DEH 3000R  
Limited Warranty. Therma-Stor, LLC (“Therma-Stor”) warrants  
as follows: (i) the DEH 3000R (“Product”) will be free of material  
defects in workmanship or materials for a period of three (1) year  
(“One-Year Warranty”) following the date of initial purchase of such  
Product by an original customer purchasing from Therma-Stor or an  
authorized reseller (“Customer”); and (ii) the Product’s condenser,  
evaporator, and compressor will be free of material defects in  
workmanship or materials for a period of five (5) years following the  
date of initial purchase of such Product by a Customer.  
Customer Responsibilities. As a further condition to obtaining  
warranty coverage hereunder, the Customer must send a valid  
warranty claim to Therma-Stor such that Therma-Stor receives  
such claim prior to the end of the applicable warranty period.  
Therma-Stor shall have no obligation hereunder with respect to  
any claim received by Therma-Stor after the expiration of the  
applicable warranty period. As a further condition to obtaining  
warranty coverage hereunder, the Customer must present forms  
of invoices evidencing proof of purchase of a Product. If such  
invoices do not clearly indicate the date of initial purchase by a  
Customer, the applicable Product’s date of manufacture will be  
used instead of the date of initial purchase for the purpose of  
calculating the commencement of the applicable warranty period.  
Warranty service must be performed by Therma-Stor or a servicer  
authorized by Therma-Stor. In order to obtain warranty service, the  
Customer should call Therma-Stor at 1-800-533-7533 and ask  
for the Therma-Stor Products Service Department, which will then  
arrange for applicable warranty service. Warranty service will be  
performed during customary, daytime working hours. If the Product  
must be shipped for service, Customer shall be solely responsible  
for properly packaging the Product, for all freight charges, and for  
all risk of loss associated with shipment.  
Limitation of Remedies. CUSTOMER’S SOLE AND EXCLUSIVE  
REMEDY UNDER THE ABOVE LIMITED WARRANTY AND THERMA-  
STOR’S ENTIRE LIABILITY THEREUNDER, SHALL BE, AT THE SOLE  
OPTION OF THERMA-STOR, REPLACEMENT OR REPAIR OF SUCH  
PRODUCT OR ITS COMPONENTS (“COMPONENTS”) BY THERMA-  
STOR OR THERMA-STOR’S AGENTS ONLY. REFRIGERANT, PIPING,  
SUPPLIES, TRANSPORTATION COSTS, LABOR COSTS INCURRED  
IN REPAIR OR REPLACEMENT OF SUCH COMPONENTS ARE NOT  
INCLUDED. THIS DISCLAIMER AND EXCLUSION SHALL APPLY  
EVEN IF THE EXPRESS WARRANTY AND LIMITED REMEDY SET  
FORTH HEREIN FAILS OF ITS ESSENTIAL PURPOSE. CUSTOMER  
ACKNOWLEDGES THAT NO REPRESENTATIVE OF THERMA-STOR OR  
OF ITS AFFILIATES OR RESELLERS IS AUTHORIZED TO MAKE ANY  
REPRESENTATION OR WARRANTY ON BEHALF OF THERMA-STOR  
OR ANY OF ITS AFFILIATES OR RESELLERS THAT IS NOT IN THIS  
AGREEMENT. Notwithstanding the above, during the term of the  
One-Year Warranty only, Therma-Stor will provide, free of charge  
to Customer, all Components and labor (except costs related to  
removal and installation of Product) required to fulfill its obligations  
under such One-Year Warranty.  
Limitation of Liability. IN NO EVENT SHALL THERMA-STOR,  
IN CONNECTION WITH THE DESIGN, SALE, INSTALLATION, USE,  
REPAIR, REPLACEMENT OR PERFORMANCE OF ANY PRODUCT,  
COMPONENT, PART THEREOF OR WRITTEN MATERIAL PROVIDED  
THEREWITH, BE LIABLE, TO THE EXTENT ALLOWED UNDER  
APPLICABLE LAW, UNDER ANY LEGAL THEORY FOR ANY SPECIAL,  
DIRECT, INDIRECT, COLLATERAL OR CONSEQUENTIAL DAMAGES  
OF ANY KIND. NOTWITHSTANDING THE ABOVE LIMITATIONS AND  
WARRANTIES, THE SOLE AND EXCLUSIVE LIABILITY OF THERMA-  
STOR, REGARDLESS OF THE NATURE OR THEORY OF THE CLAIM,  
SHALL UNDER NO CIRCUMSTANCES EXCEED THE PURCHASE PRICE  
OF THE PRODUCT, COMPONENT OR PART UPON WHICH THE CLAIM  
IS PREMISED.  
Disclaimer of Warranties. EXCEPT FOR ABOVE LIMITED  
WARRANTY, WHICH IS THE SOLE AND EXCLUSIVE WARRANTY  
PROVIDED WITH RESPECT TO THE PRODUCT AND ITS  
COMPONENTS, THERMA-STOR HEREBY DISCLAIMS ALL EXPRESS  
AND IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE  
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A  
PARTICULAR PURPOSE.  
Applicable Law and Venue. ANY ARBITRATION, ENFORCEMENT  
OF AN ARBITRATION OR LITIGATION RELATED TO THE PRODUCT  
WILL BE BROUGHT EXCLUSIVELY IN DANE COUNTY, WISCONSIN,  
AND CUSTOMER CONSENTS TO THE JURISDICTION OF THE  
FEDERAL AND STATE COURTS LOCATED THEREIN, SUBMITS TO  
THE JURISDICTION THEREOF AND WAIVES THE RIGHT TO CHANGE  
VENUE. CUSTOMER FURTHER CONSENTS TO THE EXERCISE OF  
PERSONAL JURISDICTION BY ANY SUCH COURT WITH RESPECT TO  
ANY SUCH PROCEEDING.  
Warranty Limitations. The foregoing limited warranty extends  
only to a Customer and shall be null and void upon attempted  
assignment or transfer. A “defect” under the terms of the limited  
warranty shall not include problems resulting from Customer’s  
or Customer’s employees’, agents’, invitees’ or a third party’s  
misuse, improper installation, improper design of any system in  
which the Product is included, abuse, lack of normal care, failure  
to follow written instructions, tampering, improper repair, or  
freezing, corrosion, acts of nature or other causes not arising out of  
defects in Therma-Stor’s workmanship or material. If a Product or  
Component is replaced while under warranty, the applicable limited  
warranty period shall not be extended beyond the original warranty  
time period. The limited warranty does not cover any costs related  
to changes to a Product or Component that may be required by any  
codes, laws, or regulations that may become effective after initial  
purchase of the Product by Customer.  
Miscellaneous. If any term or condition of this Limited Warranty  
is found by a court of competent jurisdiction to be invalid, illegal  
or otherwise unenforceable, the same shall not affect the other  
terms or conditions hereof or thereof or the whole of this Limited  
Warranty. Any delay or failure by Therma-Stor to exercise any right  
or remedy will not constitute a waiver of Therma-Stor to thereafter  
enforce such rights.  
DEH 3000R Dehumidifier & Ventilation System Controller  
11  
Installation, Operation & Service Manual  
 
Information in this document is subject to change without notice. No part of  
this document may be reproduced or transmitted in any form or by any means,  
electronic or mechanical, for any purpose, without the express written permission  
of Therma-Stor LLC. © 2007 Therma-Stor LLC. All rights reserved.  
PO Box 8680 • Madison, WI 53708  
Phone: 608-222-5301 • Fax: 608-222-1447  
DEH 3000R Dehumidifier & Ventilation System Controller  
Installation, Operation & Service Manual  
 

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