Airrex ADH-100 User manual

▶ It is essential that you read ‘SAFETY INSTRUCTIONS’ carefully
before use and follow them at all times.
▶ This unit is specified for use on the rated
voltage power supply. For use outside the local electricity
supply should be checked by a qualified electrician.
▶ We have a policy of continual improving on our products.
The contents (features and specifications) in this manual are
therefore subject to change without notice.
▶ The warranty form is on the last page. Please complete it now
and keep it in a safe place.
▶ Keep this manual on hand for reference.
▶ Thank you for purchasing the unit.
Before operation please read this user’s manual carefully.
MODEL : ADH-100
USER'S MANUAL
AIRREX DEHUMIDIFIER
C

2
TABLE OF CONTENTS
The following instructions are to ensure user’s safety and to prevent any physical
injury or material damage. Please read carefully and follow all instructions.
There are two sections to these instructions: WARNING and CAUTION.
3~4
4
5
6
7
8
9
10
11
12
16
■ SAFETY INSTRUCTIONS
■ GENERAL ADVICE BEFORE USE
■ EXTERIOR DESCRIPTION
■ SPECIFICATIONS
■ CONTROL PANEL FUNCTIONS
■ HOW TO SET THE 'OFF' TIMER
■ HUMIDITY CONTROL OPERATION
■ 'ERROR' and WARNING INDICATORS
■ TROUBLE SHOOTING
■ CLEANING AND MAINTENANCE
■ WARRANTY

3
SAFETY INSTRUCTIONS
Keep this manual in a visible location near the unit for easy reference.
Use a circuit breaker for the capacity.
(It may cause fire and electric shock)
Do not use a damaged power cable.
(Short, fire or shock hazard)
Before cleaning, disconnect the unit.
(Otherwise risk of electric shock)
Do not place anything on top of the machine.
(This could cause electric shock, malfunction or injury)
Do not use an extension lead unless of the approved type.
(Risk of fire and / or electric shock)
Do not ‘kink’ or sharply bend the power cable nor put any weight on it.
(The insulation may be damaged causing fire or electric shock)
Turn off control panel after turn off circuit breaker first.
(Risk of electric shock and / or malfunction)
Do not use this unit on unstable or inclined surfaces. Always use
on solid flat floor. (Risk of falling causing injury, fire or malfunction)
Do not use the unit in explosive environments or in areas where flammable gas
leakage may occur.
Unlock the casters and push the unit to a flat, level surface and set the caster brakes to the locked position.
If the power cord or plug is damaged, repair should only be performed by qualified
electrical personnel.
Do not connect/disconnect the power cord or attempt to operate buttons with wet hands.
This could result in electrical shock.
Do not use the unit in a corrosive atmosphere.
Do not install the unit on uneven or sloping surface. The unit may roll or topple over
even if the casters are set to the locked position.
Do not use the unit in areas where it will be exposed to rain or water.
WARNINGS REGARDING PROPER LOCATION FOR INSTALLATION
MOVING THE UNIT
Check the prongs and surface of the power cord plug for dust/dirt. If dust and/or dirt are present, wipe off
with a clean, dry cloth.
Check the power cord, plug and prongs for damage or excess play.
If any damage or excess play is found, contact a qualified repair technician or a qualified electrician to perform
replacement or repair of the power cord, plug or prongs.
PLUGGING IN THE UNIT
The following symbols are for your guidance:
= You must NOT. = You MUST.
WARNING
INSTALLATION

4
SAFETY INSTRUCTIONS
GENERAL ADVICE BEFORE USE
Do not place this unit on uneven, unstable or inclined surface.
(This could cause malfunction)
When storing this unit, keep it in a dry, cool place.
(To prevent corrosion and malfunction)
If not being used for some time or if lightening is present, always disconnect from power.
(To prevent risk of electric shock, short circuit or fire)
Do not spray water onto this unit nor use solvents
such as benzene, thinner or alcohol for cleaning.
(There is a risk of electric shock and / or short circuit)
Designed for indoor use.
Waste electrical and electronic products must be disposed separately from normal household waste.
When you dispose of such products, please recycle where facilities exist. Follow the guidance of
your local authority and/or ask the shop where you purchased the product.
Waste electrical and electronic products must be disposed separately from normal household waste.
When you dispose of such products, please recycle where facilities exist. Follow the guidance of
your local authority and/or ask the shop where you purchased the product.
* Ensure the safety of the location in which the unit is to be used.
* Ensure the floor or ground is smooth and round.
* Ensure you allow at least 20 inch air space all around the unit.
* When in position LOCK the casters to prevent rolling.
* Never use the unit at more than 2˚ incline.
* If you use condensate pump connect with housing in the power box. (Electric panel)
* You have to connect supply cord at least standard
If the supply cable is damaged, it must be replaced by the manufacturer,
its service agent or similarly qualified person in order to avoid a hazard.
FOR MAXIMUM EFFICIENCY
* In airtight areas use vertical exhaust into ceiling.
* If possible locate exhaust outlet through a window or door to outside.
* Exhaust ducting should be no longer than 6.6 ft. for maximum efficiency.
* Ensure correct electricity supply.
CAUTION

5
EXTERIOR DESCRIPTION
FRONT VIEW
BACK & SIDE VIEW
AIR INLET
CASTER (FRONT LOCKABLE)
CASTER (REAR 10'')
BACK HANDLE
EVAPORATOR FILTER
AIR OUTLET
POWER CORD
DIGITAL CONTROLLER
CONDENSED WATER OUTLET
PUMP BUTTON

6
SPECIFICATIONS
MODEL ADH-100
Capacity gal/day
Maximum 32 (86℉ 80%)
Nominal 22 (80℉ 60%)
Power supply 115Vac 60Hz 1Ph
Air Flow ft³/min 400
Power Consumption kW 1.2
Current Consumption A10
Refrigerant lb R-410A / 2.2
Dimensions (WxDxH) inch 19.9 x 21.8 x 39.2
Weight lb 132
Air Filter Vinyl Chloride Mesh Catridge
Safety Device
▶ High pressure switch ▶ Low pressure switch
▶ 3 min. delay timer ▶ Fan motor protection
▶ Automatic full tank shut-off ▶ Thermostat protector for compressor
Power Cord
Device LCDI Nema 5-15
Length 9.8 ft
Operating Range 41℉ ~ 95℉, 30% ~ 90%
High Pressure psi 441
Low Pressure psi 128
Fuse in power box in Machine body 250V / 10A

7
CONTROL PANEL FUNCTIONS
① Power : Use to power on / off.
② Button : Raises or lowers the setting temperature or sleep (off) time.
③ Fan : Controls fan speed. High / Medium / Low
④ Quiet Operation : Set fan speed slower than 'Low', the LED is on.
⑤ Off Timer : To set the length of time, once turned on, that you wish the dehumidifier to
run for. You can set 0~24 hours. Time intervals are 0mins. up to 10 hours and
then 1 hour between 10 and 24 hours.
⑥ Defrost : When the temperature of the evaporator is below -4℃ the defrost valve operate
and 'Defrost' led is on.
⑦ Comp. : When the compressor is operating, the LED is On.
⑧ Error : Error signal.
⑨ Water Full : Red light indicates ‘Tank Full’. The compressor will shut off automatically.
Empty tank and check if condensate wafer pump operate well.
⑩ Display : Display current humidity, setting humidity and sleep time in case of setting them.
When the user set the sleep timer, ‘hr’ will be turned on.
⑦
⑧
⑨
①
②
③
④
⑤
⑥
⑩

8
HOW TO SET THE ‘OFF’ TIMER
This function enables you to set the length of time you want the unit to operate.
You can set the time period from 30min. to 24 hours in 30min. and 1 hour increments.
AFTER 1hr
OFF TIMER LAMP IS ON
1. When unit is operating, press the 'Off Timer' button and
set the length of time you want by pressing ▲ or ▼.
Each time you press the button you will increase the
'time to off' period by 30mins. up to 10 hours,
and 1 hour up to 24 hours.
The display will show 5 for 30min and 1 for an hour.
One and a half hours will show 1.5.
2. When you have finished setting the time period, the
'Off Timer' lamp will be on which indicates the unit is
in sleep (Off Timer) mode.
3. If you press the 'Off Timer' button during its operation,
the remaining time will be shown.
4. To CANCEL timing, press and hold 'Off Timer' button
for 1 second. It will then switch the timer off automatically.
Humidity.
Humidity.
%
%
Humidity.
Humidity. Humidity.

9
HUMIDITY CONTROL OPERATION
Setting Humidity
%
Current Humidity
Setting Humidity
%
%
Setting Humidity
%
•Limits of Setting humidity.
•When you turn ON, the setting humidity is displayed.
•You can change setting humidity.
•The display showing the set humidity will
blink 3 times.
•When you push either ▼ or ▲ button, the setting humidity
is changed.
•The display showing the setting humidity will blink 3 times.
Setting Humidity
0% - 80%
Current Humidity
0 % - 9 5 %
Dehumidifier operates when current humidity is
more than setting humidity.
Dehumidifying stops when current humidity is
less than setting humidity.

10
‘ERROR’ and WARNING INDICATORS
Current Humidity
Current Humidity
Current Humidity
Current Humidity
Setting Humidity
Current Humidity
Current Humidity
Current Humidity
Error Code Problem Cause Corrective Action
Water full Condensate tank is full Check the condensate pump
Humidity
Sensor
Humidity sensor problem Check the Humidity sensor
High pressure Blocked air filter
Blocked / kinked exhaust duct
Ambient temperature is too high
Ensure exhaust duct is not
blocked / kinked
Do not use the air conditioner if
ambient temperature is higher
than 113℉
Low pressure
Sensor Temperature sensor has
an electric short.
Exchange temperature sensor
Verify Electrical
Refrigerant may be low
Clean Filters and Coils
Verify Power (Voltage/Amps)
Check Filters Evaporator/Condenser
Check Evaporator/Condenser Coils
Check refrigerant level and/or
refrigerant leak.

11
TROUBLE SHOOTING
MANUAL PUMPING
If you move Dehumidifiers to another place it is necessary to empty condensate water in tank.
so press pump button to empty water in tank.
TROUBLE CHECK REMEDY
NOT
WORKING
Power cable correctly connected Connect cable correctly
Power button "OFF" Press POWER button to "ON"
Fuse (supply) blown Exchange fuse in board
Breaker on switch board tripped Check load capacity and reset
Ambient temp. too high Check operating temp. range
POOR
DEHUMIDIFYING
Filter blocked with dust Clean Filter
Dust in heat exchanger Clean heat exchanger
Obstacle against inlet side Remove and allow 20"(50cm). clearance

12
CLEANING AND MAINTENANCE
CLEANING THE AIR FILTERS
MAINTENANCE
1. To remove filters, open the front case ①, and pull towards you. ②
2. Clean the filters with water or compressed air.
3. Clean heat exchanger unit with a vacuum cleaner or compressed air.
1. Turn “OFF” at control panel, remove plug from
socket. Coil and store cable neatly.
2. Keep machine suitably covered to prevent
damage by damp, humidity and dust.
①
②

13
MEMO

14
MEMO

15
MEMO

● Designs and specifications of products are subject to change without prior notice for the improvement of products.
WARRANTY
AIRREX unit gives the more reliable performance, comfort and durability
the more they are used. They are built under a strict quality assurance regime
which includes inspection both during and after production and exhaustive
reliability testing.
In the unlikely event you have any problems, please contact your dealer or
distributor. If the problem is as a result of a production fault or failure, repairs will
be undertaken free of charge during the period of warranty subject to the
following warranty conditions:
1. If the problem has been caused by customer error or misuse, abuse or
damage, then all repairs will be charged for.
2. This warranty applies to your country.
3. Proof and date of purchase must be supplied.
4. Please complete the details below and keep this warranty in a safe place.
5. All transportation charges back to the dealer are at customer's cost. Keep all
original packaging to facilitate return. Return to customer will be at dealer's cost
(if genuine warranty claim).
Name of Company
Telephone No.
DISTRIBUTOR
Name :
Address :
Telephone :
CUSTOMER DETAILS
(Applicable to first retail purchaser only)
WARRANTY PERIOD ( ) Months
DESCRIPTION DEHUMIDIFIER
MODEL ADH-100
DATE OF PURCHASE PRODUCT
SERIAL NO.
Manufactured by :
HEPHZIBAH CO.,LTD.
(Juan-dong) 86, Gilpa-ro
71beon-gil, Michuhol-gu,
Incheon, Korea
TEL : [phone]
FAX : [phone]
E-mail : [email protected]
Website : www.airrex.biz
Distributed by :
Airrex USA
1191 Jewell Dr Ste 101 Waco, TX 76712
TEL : [phone]
FAX : [phone]
E-mail : [email protected]
Website : www.airrexusa.com