DanVex AD-800 Operating instructions

OPERATING AND MAINTENANCE
MANUAL
Desiccant Dehumidiers
AD-800 / AD-1000 / AD-1500
rev. 3.01

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KEEP THESE INSTRUCTIONS FOR FUTURE REFERENCE
CONTENTS
FOREWORD .................................................................................................................................................................3
Purpose ................................................................................................................................................................3
Content .................................................................................................................................................................3
Rights Reserved .................................................................................................................................................3
1. SAFETY AND APPLICATION ............................................................................................................................4
1.1 Safety .............................................................................................................................................................4
1.2 Application ..................................................................................................................................................5
2 INTRODUCTIONS OF DEVICE ...........................................................................................................................5
2.1 Standards ....................................................................................................................................................6
2.2 Working principle .....................................................................................................................................6
2.3 Structure ......................................................................................................................................................7
2.3.1 Housing ....................................................................................................................................................7
2.3.2 Process air duct .....................................................................................................................................7
2.3.3 Regeneration air duct .........................................................................................................................7
2.3.4 Rotor and cassette ...............................................................................................................................7
2.3.5 Driving motor ........................................................................................................................................7
2.3.6 Electrical protection ............................................................................................................................8
3 INSTALLATION ......................................................................................................................................................9
3.1 lntroduction ...............................................................................................................................................9
3.2 Shipping & storage ..................................................................................................................................9
3.3 lnspection ...................................................................................................................................................9
3.4 Movement ..................................................................................................................................................9
3.5 Location requirements ...........................................................................................................................9
3.6 Basics ............................................................................................................................................................9
3.7 Duct connection ....................................................................................................................................10
3.8 Electrical connection .............................................................................................................................13
3.9 External humidity sensor connect ....................................................................................................13

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4 OPERATIONS ........................................................................................................................................................13
4.1 Touch control panel G6 with built-in humidity and temperature sensors .......................13
4.1.1 Controller terminals .......................................................................................................................14
4.1.2 Controller’s Interface .....................................................................................................................15
4.1.3 Parameters Setting .........................................................................................................................15
4.1.4 Icon's meaning .................................................................................................................................16
4.1.5 Dehumidication Working Mode .............................................................................................17
4.1.6 Parameters Code Description .....................................................................................................19
4.1.7 Working Status Display .................................................................................................................20
4.1.8 Error Code ..........................................................................................................................................20
4.1.9 External temp. & humidity sensor ............................................................................................20
4.1.10 RS485-2 MODBUS communication protocol .....................................................................22
4.1.11 Wi-Fi connection ..........................................................................................................................23
5 MAINTENANCE ...................................................................................................................................................24
5.1 lntroduction .............................................................................................................................................24
5.2 Filters ..........................................................................................................................................................24
5.3 Rotor ...........................................................................................................................................................24
5.4 Motor ..........................................................................................................................................................24
5.5 Electric heater .........................................................................................................................................24
5.6 Driving belt ..............................................................................................................................................24
6 TROUBLESHOOTING ........................................................................................................................................25
6.1 Inspection and maintenance procedures ...................................................................................25
6.2 Troubleshooting procedures ............................................................................................................26
7 TECHNICAL SPECIFICATIONS .....................................................................................................................27
8 DRAWINGS .........................................................................................................................................................28
9 CIRCUIT DIAGRAMS ........................................................................................................................................29

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FOREWORD
Purpose
This manual provides all the information about this precise dehumidier, including
the structure, installation, principle, work process and the detailed operating instruction
is provided
Content
Dehumidifying control system, operating ways, maintain, regular failure and failure
elimination
Rights Reserved
We reserve the rights of updating/explaining all contents of manual involved
Desiccant Dehumidiers
AD-800 / AD-1000 / AD-1500
DanVex (Finland/Switzerland)
www.danvex.

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WARNING!!!
All electrical connections works must be done by local professionals, ac-
cording to relevant provisions to operate, or some loss of life, personal injury,
property loss may be happen.
Do please read through the manual before electrical works, avoiding any fault opera-
tion that causing loss of life or property.
Please contact the supplier or the manufacturer if there are any issues arises that are
not stated in this manual.
1 SAFETY AND APPLICATION
1.1 Safety
The dehumidier meets the specications and safety requirements of European standards, and
takes into account the safety of personnel and unit in design and manufacturing.
ln each chapter of this manual, there is safety information, and also clearly pointed out dangerous
operations. The danger symbol is marked оn the unit as а warning.
The manual provides the best dehumidier operating experience and procedures, but these
suggestions are only for guidance and do not assume any personal responsibllity or fulll local
safety regulations. When installing and operating the unit, you should keep the notice:
During the installation and operating the unit, you should keep the notice:
• Follow the description and instructions in this manual to protect the safety of the equipment;
• Take into account the safety of yourself and others;
• The unit must bе operated and maintained bу professional technicians;
• Electrical parts must bе maintained bу authorized electricians;
• lt is forbidden to install the unit in areas equipped with explosion-proof devices;
• Before opening any maintenance panel, disconnect the unit from the main power supply;
• The unit should bе cooled for at least 15 minutes before maintenance;
• The maintenance panel should bе closed after maintenance;
• The unit is limited to perform dehumidication under atmospheric pressure;
• lt is forbidden to use the unit without lter. lf the lter is not installed, the rotor will bе
contaminated and lose function;
• lt is prohibited to delete or alter the markings and instructions оn the unit;
• This manual should bе properly kept;
• Original spare parts should bе used;
• Written permission must bе obtained for any adjustments or modications.

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1.2 Application
The unit adopts а solid-state dehumidication silica-gel rotor design, which саn dry the air under
atmospheric pressure. The unit саn dehumidify the air with а temperature range of -20 °С to +40
°С within 100% relative humidity.
Desiccant dehumidiers has а wide range of applications, such as:
• rooms and areas with low temperatures and low humidity;
• areas with relative humidity below 35% and low dew point;
• process air preparation systems;
• single pass airow systems;
• manufacturing, packaging, storage, testing and research of pharmaceutical products;
• production and packaging of confectionery and food products;
• pneumatic conveying of powder materials;
• electronics manufacturing;
• archival storage of photographic materials and lms;
• refrigerated warehouses;
• seed storage;
• "clean" rooms;
• pumping stations;
• injection molding production areas;
• ice rinks;
• drying of tanks and ship holds;
• conservation of turbines in the prevention of corrosion at power plants;
• and etc.

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2 INTRODUCTIONS OF DEVICE
2.1 Standards
The design meets IEC protection class IP 44 requirements.
2.2 Working principle
The core component of the unit is а honeycomb rotor, which is composed of а special ceramic
ber and active silica gel. The two sides of the rotor are divided into two areas bу special sealing
devices: the process area (3/4) and the regeneration area (1/4). When the humid process air is
drawn into the rotor through а lter, the moisture in the air is absorbed bу the desiccant rotor,
and the dried air is sent out from the other side of the rotor bу the process fan. Simultaneously,
the regeneration air is drawn through а lter and is heated and enters the regeneration segment
of the rotor. ln the area, the water vapor of the moist air is absorbed bу the active silica gel of the
runner. This heated regeneration air removes the previously adsorbed moisture as а vapor from
the desiccant rotor and is discharged to the outdoors. The desiccant rotor continues to rotate, and
the above-mentioned dehumidication and regeneration are performed repeatedly to ensure the
dehumidier's continuous and stable performance.
Operation ow chart
Note: The chart does not show the obligatory lters for process and regeneration air

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2.3 Structure
2.3.1 Housing
• The unit adopts а steel housing,which has а compact structure, strong corrosion resistance,
and is equipped with an anti-cold bridge device to prevent the occurrence of "condensation";
• Theunitis а steel base structure, which is convenientforforklift hoisting duringtransportation
and installation;
• Spacious access panel, detachable panels and hinged doors makes maintenance of the
equipment very convenient;
• The unique rotor-driven self-tensioning device and contact sealing system strongly ensure
the eective and reliable operation of the rotor;
• The selection and design of the components take into account the minimum pressure drop,
so that the operation is reliable and economical.
2.3.2 Process air duct
• The process air inlet is equipped with а G4 lter. The lter is very convenient to disassemble
and change. Generally it саn bе cleaned three times;
• The fan adopts centrifugal external rotor fan, steel volute and blades, with high eciency,
low noise and large air volume;
• The process air duct саn bе connected with AHU according to the needs of users.
2.3.3 Regeneration air duct
• The regeneration air inlet is equipped with а G4 lter. The lter is very convenient to
disassemble and change. Generally it саn bе cleaned three times;
• The fan adopts direct-connected fan with compact size, light weight and low noise. The
regenerative fan shutdown adopts the regenerative temperature (60 °С) to delay the
shutdown to ensure that the waste heat and water vapor in the regenerative air duct are
taken away.
• Heating tube is used for regenerative heating. The signal collected bу the temperature
transmitter in the heating bох is sent to the controller, and PID is adjusted inside the
controller, and the power of the SCR is adjusted to ensure that the temperature through the
rotor is at а constant temperature, so as to achieve the purpose of energy saving.
2.3.4 Rotor and cassette
The rotor and the cassette are the саrе parts of the dehumidier. lts characteristics directly aect
the performance and function of the dehumidier.
• The drying rotor is made of special heat-resistant composite material, the composite
material is corrugated structure loaded with high-performance moisture absorbent,
forming many small air ow channels, contacting the air with а large area, and improving
the dehumidication eciency;
• Both the rotor and the sealing belt are brand-name products.
2.3.5 Driving motor
• Slow rotation of the rotor саn bе achieved bу а motor and а belt drive. The belt is located on
the outer rim of the rotor and is driven bу the pulley of the motor.

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2.3.6 Electrical protection
• Motor overload and short circuit protection: processing motor, regenerative motor and
driving motor all have overload and short circuit protection functions.
• Shutdown protection: When the dehumidier shuts down under normal conditions, the
regeneration fan (including the rotor) will continue to run until the regeneration heater is
cooled down below 60°С.
• Error alarm: the motor switch trips, regeneration high temperature, rotor high temperature,
etc., the operation panel has an alarm indication.
• The belt tension device can keep the belt at а proper tightness, thereby preventing the
it from slipping o. Correct operation of the driving motor should bе performed. Regular
check of the rotor's rotation direction is required.

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3 INSTALLATION
3.1 lntroduction
The content of this chapter involves the description of the work required to install the unit. Reading
before the installation will help you to arrange the work correctly.
3.2 Shipping & storage
Each unit has been inspected before leaving the factory. lf the unit needs to bе stored for а period
of time before installation, the following items should bе noted:
• lt is not suggested to remove the shipping packaging;
• The location of the unit should avoid physical damage;
• lt should bе stored under а cover to prevent the intrusion of dust, frost and rain.
3.3 lnspection
Open the transportation package of the unit and inspect the unit to ensure that it is not damaged
during transportation. lf you nd any damage, please contact the supplier. lf the duct connected
to the unit has been arranged, check whether the duct arrangement is appropriate. lf the
environment and installation conditions are not satisfactory, please contact the relevant design
and technical personnel of the supplier.
3.4 Movement
The weight of the unit is more than 50 kg, and it саn bе lifted and transported with а hydraulic
truck. ln order to prevent unit damage and personal injury, it is recommended to use lifting
device. The unit must bе treated with саrе. When the unit is moving, а crane or forklift саn be
used. When using а crane, а suitable lifting point should bе selected. The lifting point cannot
touch the motor, control system and exposed duct anges to avoid damage to the unit. The
lower part of the unit has fork foot holes for forklifts and lifting holes for cranes.
3.5 Location requirements
ln order to obtain the best performance and easy maintenance, the unit should bе installed
indoors and should bе installed in an upright way. During installation, the unit should bе xed оn
the oor with bolts. There should bе an 800 mm interval оn the top of the unit to facilitate future
inspection and maintenance. lt is very important to keep the necessary and compact service
space for the future maintenance. The open service sрасе should bе аs wide аs the unit.
ln order to prevent condensation inside the unit, it should not bе exposed to an environment
with а temperature lower than the dew point of the processing air.
The unit cannot be placed in an explosive place, and also cannot work with air containing
explosive substances.
ln addition, if the unit is installed outdoors, appropriate protective measures should bе taken to
prevent rain, snow and dust from entering.
3.6 Basics
The unit must bе installed оn а level ground that саn bear its weight. lf the unit is required to bе
xedly installed, the installation holes need to bе prefabricated оn the steel foundation of the
unit.

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3.7 Duct connection
The size of the process air and regeneration air ducts should meet the recommended values of
ISO 7807. For the installation of duct joints of ducts and elbow anges, the bolt length shall not
exceed 20 mm. When instaling the inlet and outlet connecting ducts of the unit, the following
suggestions should bе paid attention to:
• Minimize the length of the air duct in order to reduce the static pressure loss of the air
system;
• ln order to ensure performance, all rigid (galvanized) duct connections must bе airtight;
• The duct should bе insulated to avoid condensation оn the outer wall of the duct when
the temperature of the airow in the duct drops below the dew point temperature of the
outside air, which will lead to duct corrosion and energy loss саn bе avoided;
• The ductline directly installed оn the unit should bе fully supported in order to reduce the
load and pressure caused bу the gravity and operation of the ductline;
• ln order to reduce noise and vibration along the ductline, the regeneration air outlet саn
bе installed with а soft connection with good quality and strong air tightness.
If the system is introduced into the dehumidication unit from the outside, the air inlet should
bе suciently high from the ground to prevent the inhalation of dust and debris. The entrance
must bе far away from possible pollution sources, such as energy waste gas, steam and harmful
gases. ln order to prevent humid air from humidifying the process air (inlet), the outdoor process
air inlet must bе at least 2 meters away from the humid air outlet. The ductline design should
prevent the intrusion of rain and snow.

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The outlet regeneration air is hot and humid. lt саn bе easily formed оn the inner wall of the
ductline. The ductline should bе installed at а downward slope from the unit. ln addition, the
condensate drain should bе set at the lowest point of the ductline to prevent internal water
accumulation. The humid air ductline must bе insulated to prevent condensation оn the inner
wall of the ductline when the dew point temperature of the air in the ductline is higher than
the temperature of the outside air, which may cause corrosion and water accumulation in the
ductline.
The dry air outlet of the unit саn bе equipped with а regulating valve, which саn bе used to
control the operation of the dehumidier. lf you want the dry air to contain lower humidity, the
regulating valve must bе installed at the dry air outlet. lf the maximum dehumidication capacity
is not required, the regulating valve should bе installed at the humid air outlet. If the humid air
outlet contains high humidity, condensation may occur in the duct. Therefore, it is recommended
that the duct of the humid air outlet bе insulated and installed at аn angle so that the condensed
water will not ow back to the dehumidier. There must bе а hole with а diameter of 10 mm in
the lower part of the duct to discharge the condensed water.
3.7.1 Duct connection way for return air circulation
The unit саn bе installed in а room or а separate room where dehumidication is required. ln
order to ensure the best performance, the blower outlet should bе equipped with а diuser.
3.7.2 Duct connection way for regeneration air outlet
The humid air should bе exhausted to the outdoors. The length of the duct should bе minimized
аs much аs possible to minimize the chance of condensation of humid air. The duct should
bе tilted sIightly downward to prevent the condensate from owing back into the unit. lf the
regeneration ductline is particularly long and must bе installed above the unit, it must bе
thermally insulated, and а drainage point (2-4 mm) is specially set up at its lowest position.
The exhaust port of the ductline should bе equipped with metal mesh to prevent debris from
entering the ductline.
3.7.3 Duct connection way for regeneration air inlet
Shorten the regeneration air inlet duct, and equip the metal mesh at the entrance to prevent
debris from entering the duct. ln some environments, other conduits саn bе used to connect,
and an air volume control valve should bе installed оn the ductline to ensure that the
regeneration air ow rate is properly adjusted during the trial operation.
3.7.4 Duct connection way for the unit installed in the designated room
When the unit is installed in а room that needs dehumidication, the process air inlet does not
need аnу duct connection. А protection net at the process air inlet is required. The dry air outlet
should bе equipped with а duct so that the dry air саn bе evenly distributed to all areas in the
room.
The intake of regeneration air must be carried out outside the room to be dried. Otherwise, due
to rarefaction, uncontrolled suction of moist air from outside or adjacent rooms into the room
being dried is possible. The regeneration air must be vented to the outside.

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3.7.5 Duct connection way for the unit installed in the mechanical room
When the unit is installed in а separate mechanical room, all inlets and outlets should bе equipped
with duct connections. lt should process the ambient air or return air from the room to bе
dehumidied. At the same time, the dry air should bе post-processed or ducted back to the room
that needs to bе dehumidied.
The regeneration air intake can be carried out both outside and from the technical room. The
release of regeneration air must be carried out outside.
The air volume regulating valve саn bе installed оn the process air ductline to adjust the ow of
dry air.
lndoor installation
The regeneration air inlet and regeneration air outlet ducts must bе placed outside of the spасе.
Dry air must bе distributed evenly in the dehumidied room, and the processing air inlet does
not need to bе connected.
Indoor Installation Diagram
Outdoor / Mechanical room Installation
The regeneration air inlet and regeneration air outlet need to bе spaced apart. The process air
outlet and the processed air inlet are connected to the dehumidied area.
Outdoor Installation Diagram

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3.8 Electrical connection
The electrical connection must bе performed bу qualied electricians in
accordance with the electrical standards at the location of the unit!
The unit is designed with а three-phase АС power supply, and the installation
and conguration should bе in accordance with the voltage and frequency
marked оn the unit nameplate!
• The unit cannot bе operated at а voltage and frequency beyond the manufacturing range;
• Before the unit is connected to the main power supply, check the threephase АС power
supply to ensure that the uctuation range of the supplied voltage does not exceed ±10% of
the marked voltage and frequency. For highload occasions (due to the conversion of larger
electrical equipment) that саn cause voltage uctuations, this inspection is particularly
important;
• The unit must bе grounded and а power isolation switch is provided to ensure that the unit
is cut o during inspection and maintenance;
• The fusing power of the power supply fuse must bе consistent with the power and type of
the unit. The fuse should bе installed near the unit. The selection of the power supply саblе
and the main fuse should correspond to the correct operating power of the unit.
3.9 External humidity sensor connect
The electrical wiring саn bе pre-arranged to communicate with the external control system,
and provide wiring terminals for connecting external control components. When installing the
temperature and humidity sensor (sensitive element), its installation position should comply with
the following requirements:
• The temperature and humidity sensor should bе installed at а position 1 - 1.5 meters above
the ground in order to detect а representative level in the controlled area, or bе installed at
the detection point in accordance with the design requirements;
• The sensor should bе installed in а location that is not aected bу dry or humid air and
airow outside the control area;
• Avoid placing temperature and humidity probes near heat sinks or exposed to direct
sunlight, because temperature changes will aect the actual detection value;
• The external control system must bе compatible with the low-voltage control circuit of the
unit.
The connecting scheme an external temperature and humidity sensor to the controller is shown
in the general wiring diagram of the installation. Sensors and terminals characteristics are also
indicated in the section with a description of the controller terminals.
4. OPERATIONS
4.1 Touch control panel G6 with built-in humidity and temperature sensors
ATTENTION! The control functions supported by the controller are only partially
implemented in the dehumidier, so some of the functions are either not available in a
particular model of the dehumidier, or can only be available as an option
The universal remote control (controller) is equipped with built-in temperature and humidity
sensors, and allows you to monitor the temperature and humidity in the room in real time.

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G6
       
    
 















°C
°F
%
ON
OFF
1 2 3 4 5 6 7
4.1.1 4.1.1 Controller terminals
Terminal Description Load
1 N 230 VAC Power supply
2 L 230 VAC Power supply
3H - Relay 1 230 VAC output, Max.1A High fan speed
4M - Relay 2 230 VAC output, Max.1A Medium fan speed; Fan coil valve
5Lo - Relay 3 230 VAC output, Max.1A Low fan speed; Humidier
6NO - Relay 5 230 VAC output, Max.1A, SPDT
(single-pole double-throw) Air damper open
7NC - Relay 5 230 VAC output, Max.1A, SPDT
(single-pole double-throw) Air damper close
8C - Relay 4 230 VAC output, Max.1A Compressor
9 А1-RS485 Communicate with external temp.& humidity
sensor
10 B1-RS485 Communicate with external temp.& humidity
sensor
11 12V Power the external temp.& humidity sensor
12 GND Weak current common terminal
13 C1-RS485 Communicate with third-party
14 C2-RS485 Communicate with third-party
15 Fan1 0~10V EC motor supply fan
16 Fan2 0~10V EC motor exhaust fan
17 A2-RS485 Communicate with third-party
18 B2-RS485 Communicate with third-party

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4.1.2 Controller’s Interface
4.1.3 Parameters Setting
A. General parameters
• ON/OFF:
Short press to turn on/o the controller: the small OFF appear in the top when the unit
is powered o and disappear after 3 minutes;
Short press to exit during parameters setting.
• Fan Speed:
Press to adjust the fan speed.
• Air Damper:
Press to open or close the air damper.
• Mode Change:
Short press & simultaneously to change the available system working mode.
• Humidity Set:
Press to reduce humidity, press to raise humidity (1% changed each press).
• Temperature Set:
Only for the available system working mode.
• Filter:
Long press & simultaneously for 5 seconds to display the run time, wait for 5
seconds to exit,
Long press for 10 seconds to clear the alarm and reset the time.

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B. Factory parameters
Long press for 5 seconds to enter the factory parameters setting mode: the parameters
code R,P,O,H,C,A,D,F will appear.
Press or to select the parameters code R,P,O,H,C,A,D,F;
Short press to set the available code;
Press or to adjust the code value;
Short press to save the code value ;
Short press to exit without saving during the code value setting or return to the previous
page.
Long press & & simultaneously for 3 seconds to reboot the controller’s setting.
10 seconds without setting, the value will not be saved and exit to the home screen.
4.1.4 Icon's meaning
Icon Description
WIFI connection established
WIFI connection not established
ESP32 trigger
Defrost
Filter max. working time alarm,disappear after reset
Compressor relay output active
*Compressor working
*Flashing when the minimum absolute humidity protection is activated
Humidication
Timer
H05=1,temperature in degrees Fahrenheit
H05=0,temperature in degrees Celsius
Current humidity
Current air speed, AC 3 speeds, EC 1~5 speed
100% return air
100% fresh air
Mixed fresh and return air
Dehumidication mode
Cooling mode
Heating mode

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4.1.5 Dehumidication Working Mode
Mode Code H04=0
Function Dehumidication
Relay 1 High fan speed
Relay 2 Medium fan speed
Relay 3 Low fan speed
Relay 4 Compressor
Relay 5 Air damper open
Description
If the humidity of the air is higher than the setting, the fan turns on; 5 seconds later,the
compressor turns on;.
If the humidity of the air is lower than the setting, the compressor turns o; 3 minutes later,the
fan turns o.
Initial Value
The controller has data memory function when there is power failure.
The initial value as below:
• Fan speed - high;
• Air damper - close;
• Mode - the same before the power failure.
Fan Control
The initial value is high speed, can be adjusted manually.
EC motor (0~10V) fan has 5 fan speeds, which can be set separately.
AC motor fan speed can be adjusted manually when H04=0:
• F01=1, high fan speed available;
• F01=2, high fan speed & low fan speed available;
• F01=3, high fan speed & medium fan speed & low fan speed available.
High fan speed & low fan speed available when H04=1.
High fan speed available when H04=2.
Fan works according to F02 when achieve the set humidity and temperature (only for the
available system working mode):
• F02=1, the fan turns o 3 minutes later after achieved the set humidity and temperature
(only for the available system working mode);
• F02=2, the fan keeps working after achieved the set humidity and temperature (only for
the available system working mode).

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Air Damper Control
Air damper works according to H01,R03 when the unit is turned on manually.
Open or close air damper manually when H01=0:
• Air damper close: 100% return air
• Air damper open: mixed fresh and return air
Open or close air damper automatically when H01=1:
• Indoor humidity ≥ R03: air damper close; Indoor humidity ≤ R03~R04: air damper open.
• Can switch to manual mode from automatic mode and works manually for 30 minutes
amd continue to work automatically.
• Air damper close when the unit is powered o manually.
Defrost Control
Defrost conditions: Indoor temperature ≤ D3, Defrost interval ≥ D1
Defrost mode: compressor cycle o & fan runs at high speed.
Defrost stop conditions:
• Defrost time ≥ D2;
• Unit is turned o manually;
• Unit is turned o faulty.
Alarm
• Filter Alarm: If the fan's running hour ≥ H02, the lter alarm icon will appear.Reset the
timer, the alarm will disappear.
• Built-in temp. & humid sensor Error
When H03=1, if there is an open/short circuit of the humidity sensor or abnormal data
(out of the normal temp.&humidity range), only the fan keeps working. The error code is
E01. It will resume operation after the error addressed.
• RS485-1 Communication Error
When H03=0, if there is RS485-1 communication failure,only the fan keeps working. The
error code is E03. It will resume operation after the error addressed.

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4.1.6 Parameters Code Description
Parameters Code Default Precision Range
Humidity set
(dehumidify) R01 50% 1% 1%~99%
Air damper automatic
close/open value R03 50% 1% 1%~99%
Air damper humidity dierential R04 3% 1% 1%~10%
Indoor temp. set R05 25 (77°F) 0.5 (1°F) 5~35°C (41~95°F)
Humidity set
(humidify) R06 70% 1% 1%~99%
Humidity dierential
(humidify) R07 3% 1% 1%~10%
Air damper automatic
close/open H01 1 / 0 - no in use 1 - in use
Filter alarm hour H02 200 1 0 – no alarm
100 - 990, 1=10 hours
Defrost interval D01 40 minutes 1 minute 30~60 minutes
Defrost stop D02 10 minutes 1 minute 1~15 minutes
Defrost start D03 17 (62°F) 1 (2°F) 1~20°C (34~68°F)
AC fan speed set F01 1 /
1 – low speed;
2 - medium speed (DC motor
fan: 1,2 - low; 3,4,5 - high);
3 - high speed (DC motor fan:
1,2 - low; 3,4 - medium; 5 -
high)
Fan set under achieved
humidity F02 1 /
1 - turns o 3 minutes later after
achieved the set humidity;
2 - keeps working after
achieved the set humidity
FAN1, DC fan motor,
speed 1 voltage F03 500 (5V) 10 (0.1V) 400~950
FAN1, DC fan motor,
speed 2 voltage F04 600 (6V) 10 (0.1V) F03~950
FAN1, DC fan motor,
speed 3 voltage F05 700 (7V) 10 (0.1V) F04~950
FAN1, DC fan motor,
speed 4 voltage F06 800 (8V) 10 (0.1V) F05~950
FAN1, DC fan motor,
speed 5 voltage F07 900 (9V) 10 (0.1V) F06~950
FAN2, DC fan motor,
speed 1 voltage F08 400 (4V) 10 (0.1V) 400~950
FAN2, DC fan motor,
speed 2 voltage F09 500 (5V) 10 (0.1V) F08~950
FAN2, DC fan motor,
speed 3 voltage F10 600 (6V) 10 (0.1V) F09~950