Airrex AH-720 User manual

User's Manual
AH-720/AH-765/AH-780
▶Thank you for purchasing Airrex Plate Heater. Please read the instructions
thoroughly before using your heater.
▶After reading the instructions, please keep them in a place accessible to all users.
▶Ensure you read 'Safety Precautions' in advance and use the product correctly.
▶The product is specified for use with a power supply of 230v. 50Hz.
▶This manual includes the product warranty.
▶Specifications and contents of this manual may be changed without prior
notice, in accordance with our commitment to product quality, design and control.
AIRREX PLATE HEATER
PRECAUTIONS NOTE
DESCRIPTION
OF USE

2
Contents
■ Safety Precautions
■ Precautions for installation and before use
· Precautions for install
· How to install
· How to use power
■ Configuration and name
· Main body
· Indication and operation part
· Remote control
· How to exchange dry cell of remote control
■ How to use
·Operation, stop, and automatic operation function
· Manual operation function, On-Timer function How to stop
· How to operate / stop fan
■ How to dianose safety device
■ Storage Instructions
■ Troubleshooting
■ Specification
■ Product warranty
3
5
6~7
6
6
7
7
8~11
8
9
10
11
12
13~14
15~16
17
18

3
Indicate prohibition.
These precautions are designed for keeping users safe and preventing material damage.
Be sure to read them and use the product correctly.
● There are 3 classifications of safety precautions and they are listed in the box below.
Possiblity of death or severe injury in the event of mishandling.
Possiblity of injury and /or material damage in the event of mishandling.
RISK
WARNING
CAUTION
Possiblity of death or severe injury in the event of mishandling.
RISK
WARNING
CAUTION
RISK
WARNING
CAUTION
RISK
※Meaning of picture signs
Indicate contents that people must carry out.
♣ After reading this, be sure to keep it at a place where other users can refer to it at any time.
Safety Precautions
Do not leave or use pressure vessel around heater.
(Can cause explosion)
PRECAUTIONS

4
♣ After reading this, be sure to keep it at a place where other users can refer to it at any time.
WARNING
Ensure that the circuit breaker
or fuse supplying the socket is
fit for the capacity required.
(incorrect breaker could cause
a risk of breakdown or fire)
Never remove the plug from
the socket by pulling the
mains lead. Never touch the
plug with wet hands.
(risk of electrocution and/or fire)
Do not extend the power cord.
(risk of breakdown or fire)
Ensure that the unit is properly
earthed through the mains
power circuit.
Always turn off the unit by
use of its on/off switches
and never by just pulling
the mains plug or tripping
the circuit breaker.
Do not install, use or place
any combustible liquids or
gases near the product.
(risk of fire or explosion)
Never place combustible
objects on the product such
as vinyl and plastic items.
(can cause a risk of fire)
Do not overload the
dedicated power socket
with other equipment.
Use specific 230V 13 amp socket.
(to prevent fire & electric shock)
Ensure both plug and socket is
clean and free from dust when
using.
Never use with a damaged
power lead, plug or loose
wall socket. (this can cause
electric shock, short circuiting
or fire)
230V
AH-720
AH-720
AH-720
AH-720 AH-720
Ensure you hold the power
plug properly when either
plugging in or unplugging.
Do not kink or place the main
power lead under heavy
objects. (risk of electric shock
or fire)
Never place the unit near
combustible products such
as curtains, carpets etc.
This can cause a fire.
Never put hands or objects
into the main body of the
product.Never touch it
immediately after use
(risk of fire, burns or electric
shock)

5
Never move the product
whilst it is switched on.
Always turn it off and allow
it to cool down before
touching.
WARNING
Do not use the unit other than for
its intended use. (do not use for
drying clothing or for keeping
animals or plants warm etc.)
Do not use the product
whilst sleeping or away
from the premises.
The safety grille does not
protect children or frail
people completely.
(use under strict supervision)
Never use the unit in places
such as bathrooms, shower
rooms, near swimming pools
or anywhere near water.
(electrocution and / or electric
leakage can easily occur)
AH-720
Do not place the heater
close to the electric socket
(risk of fire)
Never leave the product
switched on if it is covered by
any objects or placed improperly
as the programmer may
automatically operate the unit
and cause a fire
■The heater must not be located
immediately below a socket outlet.
■Do not use this heater in the immediate surroundings of
a bath, a shower or a swimming pool.
■If the supply cord is damaged, it must be replaced by
the manufacturer, its service agent or similarly qualified
persons in order to avoid a hazard.
♣ After reading this, be sure to keep it at a place where other users can refer to it at any time.
Never allow water to get into
the unit by leaving it exposed
to the rain or careless cleaning.
(this could cause fire or electric
shock)
Never spray water directly
onto the unit nor attempt to
clean it with any solvents or
flammable liquids.
(this could cause electric shock
or fire)
If the power cord is damaged,
it must be replaced by
a qualified electrician.
(risk of electric shock or fire)
DESCRIPTION
OF USE

6
When in use, the heater must be on a flat
and even surface
When thunder and lighting is present, turn off
the unit and disconnect from the power supply.
Disconnect from power supply when the
unit is not being used for a long period.
Do not try to take the unit apart or
repair it. Never jar the product.
Store the product in dry, indoor locations and
not in hot or humid locations.
CAUTION
Keep heater away from other electric
domestic appliances
(They could get damaged due to high heat)
After storage, remove all dust before re-use.
Do not clean the product before disconnecting
from power and allowing it to cool down.
Do not touch hot parts whilst in use - do not
place hands on the unit as it gets very hot during
its heating operation. Always turn it off and
allow it to cool before handling. Children must
be kept away from the heater.
Do not place heavy objects on the product.
(can cause breakdown or electric shock and you
can get injured when objects fall down)
Do not use the unit on unstable or unsafe
surfaces.
♣ After reading this, be sure to keep it at a place where other users can refer to it at any time.

7
♣ Keep packaging parts because they are necessary in maintaining
the heater for a long time.
Precautions for installation and before use
▶Always leave a clear
space of at least 20cm
from the left, right and
rear panels of the unit.
The unit must also have
at least 1.5m clear space
above it. Never put any
obstacles nearer than
1.5m to the front of the
unit.
▶Use the unit in places with easy access to
power sockets and that are well ventilated.
▶Never use connecting terminals in the power
lead. Always directly connect the unit to the
power.
PRECAUTIONS FOR INSTALL
HOW TO INSTALL
Install the product at places where users always
reside and be sure to equip fire extinguisher. Do not install at places with high temperature.
Install the product at places that are visible to
people. (frequently observe the product for safety)
Use the product at places without sulfurous acid
gas, emulsified gas or chlorine gas.
Install the product at places where bottom is solid
and even. (the product cannot be working at tilted
places)
Cold air
♣ After reading this, be sure to keep it at a place where
other users can refer to it at any time.
PRECAUTIONS

8
HOW TO USE POWER
▶When using 230V (AH-720)
Put plug into specific outlet for 230V with earth terminal.
MEMO.

far infrared rays plate
9
▶AH-720
MAIN BODY
Configuration and Name
CONFIGURATION
AND NAME
※External appearance can be changed without prior notice for improving quality.
safety net
power switch
room temperature
sensor
sensor to perceive
indoor temperature
NFB
earth connection terminal
power cord
indication/operation part
handle
side reflector
far infrared rays plate
rear reflector
base reflector
fan
rubber foot for controlling
the level
safety grille
control panel
handle
side reflector
rear reflector
base reflector
fan
castor
near infrared rays lamp
(AH-765) ▶AH-765/780

10
1. signal receiver of remote control
2. LED display
Various conditions are indicated such as
temperature, time and abnormal condition
3. button for temperature control.
Use the button used to control temperature or the
amount of heat.
4. automatic/manual button
Use the button when you select automatic or
manual operation.
5. FAN button
Use for turning fan on or off
6. On-Timer button
Use the button when you select On-Timer.
7. button for operation/stop
Use the button when you turn on or off the heater.
②
③
⑤
⑥
⑦
INDICATION AND OPERATION PART
①
④
▶AH-720
1. LED Display
Various conditions are indicated such as
temperature, time and abnormal condition.
2. signal receiver of remoe control
3. Heat Grade Lamp
Heat amount is displayed from step 1~ 4.
4. button for temerature control
Use the bton sed to control temperature or the
amount of heat.
5. automatic/manual button
Use the button when you select automatic or
manual operation.
6. FAN button
Use for turning fan on or off
7. button for operatino/stop
Use the button when you turn on or off the heater
8. Auto lamp
If you select Auto, Auto lamp is on.
9. Fan lamp
If you select Fan, Fan lamp is on.
10. Operation lamp
Operation lamp is on during heater operates.
①
②
③
④
⑤
⑥
⑦
⑧
⑨
⑩
▶AH-765/780

①②
1. Open over of dry cell.
* Press ①part toward the direction shown by arrow.
* Pull ②part toward the direction shown by arrow.
2. Exchange dry cell.
* Put dry cell in the indication of .
3. Close cover
* Push cover on a level until it sounds "click".
11
REMOTE CONTROL
■ Point the remote control towards
the receiver whilst using it.
■ Remote control will not work from a distance
when strong lighting or sunlight is present.
In this case, use the remote control just in
front of the control panel.
■When you select a function with the remote
control you will hear a 'bleep'.
■ When the remote control is not used for
a long period, please remove the battery to
avoid leakage and damage.
■Do not allow water or liquid to get into
the remote control.
■ Use the magnet which is in the remote
control to fix it to the side panel of the unit.
HOW TO EXCHANGE DRY CELL OF REMOTE CONTROL
dry cell
automatic/manual
button button for controlling
the amount of heat
and temperature
ventilation button
operation/stop button
vinyl
▶AH-720
▶AH-765/780
On-Timer button
■ When using the remote control for the first
time, remove the vinyl covering at the lower
part of the control unit
DESCRIPTION
OF USE

12
AUTOMATIC OPERATION FUNCTION
3. Control temperature you want by pressing
temperature control button. The range of set
temperature can be controlled between 10▶
and 32▶.The amount of heat is automatically
controlled and operated to be suit able for
set temperature.
1. Start operation by
pressing operation
/stop button.
1.Start operation by
pressing operation
/stop button.
OPERATION AND STOP
How to use
2. Heater is turned on and operation is started
with the sound of beep.
AH-720
AH-720
2. Select automatic operation
by pressing auto button.
AUTO lamp is turned on.
repetition
3. press operation/stop
button once again to stop.

DESCRIPTION
OF USE
2. If you leave the unit unattended for a long period,
ensure that it is switched off and remove the plug
from the power socket.
MANUAL OPERATION FUNCTION
ON-TIMER FUNCTION
2. Select manual operation by pressing
auto button. AUTO lamp is turned off.
3. Select the amount of heat you want
by pressing temperature control
button. Selected amount of heat is
operated regardless of temperature.
※Cancellation
1. Press button On-Timer
for one second.
2.The timing is automati-
cally cancelled when you
cancel operation by pressing
operation/stop button.
HOW TO STOP
1. If you press operation/stop button during operation,
the operation is immediately stopped.
AH-720
13
1. Start operation by
pressing operation
/stop button.
AH-720
AH-720
AH-765/780
1. Press On-Timer button
when operation is stopped.
2. Set the time you want by pressing key of
controlling up and down ▲,▼.(setting is
possible between 1 hour and 24 hours)
※ without entering separate buttons,
the setting is kept three seconds later and
' ' is lighted.

14
WHAT TO CHECK INDICATE (AH-720)
▶overly heated - room temperature prevention device
■In the event that present (indoor) temperature
exceeds 43℃, E2 is indicated and all activities are stopped.
▶prevent overheating and perceive abnormality of
conductivity safety
■When indoor temperature exceeds 130℃while
heater is in operation, power of the product is cut off.
■When the product is fallen down, conductivity
safety sensor is operated and power of
the product is cut off.
※perceive abnormality of temperature sensor -
indicated as E 1
■In the event that sensor of present (indoor)
temperature does not work properly, E1 is
indicated and all activities are stopped.
♣ Note
■When causes of abnormality are resolved, the
product is automatically powered on.
■Beep is stopped when you press operation/stop button.
How to diagnose safety device
HOW TO OPERATE / STOP FAN
1. When you press fan button while heater
is in operation, ' ' is indicated in window and
fan is operated.
2. When you press fan button while fan is
in operation, ' ' is turned off and fan is stopped.
1. When you press fan button while heater
is in operation, 'on' is indicated in window and
fan is operated.
2. When you press fan button while fan is
in operation, 'oF' is indicated in
window and fan is stopped.
AH-720
AH-765/780

Airrex heater is equipped with diverse safety device, preventing a risk of fire. In the event that heater is not working properly,
safety device is operated and heater is automatically stopped.
15
If a power surge or unusually
high current is induced in the
heater, then the fuse and
circuit breaker cuts off
the power.
If the room temperature exceeds
43℃the unit will automatically turn off.
SAFETY DEVICE
If the unit overheats and
the temperature inside the unit is
abnormally high, it will automatically
turn off
■Operate heater normally after
allowing to cool down.
If heater falls over or is given a sharp jolt, it will
automatically switch off.
■After checking that there is no damage, switch
on again and operate normally.
MEMO.
The unit will automatically stop if there is a power failure.
You must press the 'On' button to continue use.
DESCRIPTION
OF USE

16
Troubleshooting
Symptoms How to deal with
◎Is electricity supply working?
◎Check that the power plug is
plugged in. ▶Turn on the product once again after plugging in.
(AH-720)
◎Is the circuit breaker off? ▶Reset circuit breaker.
(AH-765,780)
Unit
is not
working
Storage Instructions
※precautions for examination and handling
- Handle heater when it is completely cooled down and power is cut off.
- Never disassemble for operation. (devices including safety ones are not properly operated.)
● Disconnect from power supply. ● Cover the heater with the
covering supplied when you
purchased the unit. Keep it
in a well ventilated dry place.
● Ensure main body is clean
and dry.
▶Check the main power supply is working

17
Wiring diagram
NOTE

9,200 23,900 34,500
2.7 7 10.1
17~20 47~55 70~78
Product weight(㎏) 15 27 35
Controlling method Digital micom controlling and remote control
AH-720
AH-765 AH-780
MAX 11.7 MAX 30.4/10.6 MAX 44/15.3
18
Specification
classification
* Designs and specifications of this product can be changed without any prior notice to improve the quality and enhance efficiency.
Model no.
540x290x800 970x290x920670x290x920
230Va.c. 50Hz, 1ph or
380Va.c. 50Hz, 3ph
overheating safety device, conductivity safety device,
over-temperature prevention device, abnormality sensing device
On-Timer function (AH-720), automatic/manual operation function,
4 steps heat amount control, fan on/off selection function,
room temperature function, abnormality and operation indication function
Heating Capacity
(BTU/h)
Power Consumption
(kW)
Consumption
Current(A)
Safety device
Controlling function
Size (mm)
(W x L x H)
Space for use (㎡)
Power supply 230Va.c. 50Hz 1ph

19
PRODUCT
SERIAL NO:
WARRANTY
AIRREX HEATER give 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. The warranty period is 12 months from the date of first purchase.
2. If the problem has been caused by customer error or misuse, abuse or
damage, then all repairs will be charged for.
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 transport charges back to the dealer are at the customers cost.
Keep all original packaging to facilitate return. Return to customer will be
at dealers 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 AIRREX HEATER
MODEL AH-720/765/780
DATE OF PURCHASE

HEPHZIBAH CO.,LTD.
1385-15, JUAN-DONG, NAM-GU,
INCHEON, KOREA
TEL : [phone]
FAX : [phone]
E-mail : [email protected]
Website : www.airrex.co.kr