DST CZ Series User manual

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USER’S MANUAL
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Contents
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1.1 Aim of this document .................................................... 7
1.2 Emphasised text ...........................................................7
1.3 Intended use ................................................................. 7
1.3.1 Hazardous operating conditions ........................ 7
1.3.2 Responsibilities of the operator .......................... 7
1.3.3 Minimising hazards ............................................7
1.4 Safety ...........................................................................7
1.5 Inspection of goods ...................................................... 7
1.6 Safety advice regarding transportation .........................7
1.7 Installation ....................................................................7
1.8 Electrical installation .....................................................8
1.9 Operation ..................................................................... 8
1.10 Maintenance .............................................................. 8
1.11 Disposal/recycling ......................................................8
,QWURGXFWLRQ .......................................................
2.1 Type plate overview ...................................................... 9
2.2 Serial number structure ................................................ 9
3URGXFWGHVFULSWLRQ ........................................
3.1 Product overview ........................................................10
3.2 Applications ................................................................10
,QVWDOODWLRQ .......................................................
4.1 Unit installation ........................................................... 11
4.2 General Duct work installation .................................... 11
4.3 Humidistat/electronic controller installation ................ 11
4.4 Condensate................................................................ 11
4.5 Electrical connection .................................................. 11
4.5.1 Power supply.................................................... 11
4.5.2 Humidistat connections ....................................12
2SHUDWLRQ .........................................................
5.1 General operation ......................................................13
5.2 Start-up test and adjustment .......................................13
5.3 Start ............................................................................13
5.4 Stop ............................................................................13
2SWLRQDFFHVVRU\ .........................................
6.1 Wheels & handle ........................................................14
6.2 Electronic humidity controller and electronic humidistat .
14
7URXEOHVKRRWLQJ ..............................................
7.1 Capacity troubleshooting ........................................... 15
Maintenance ....................................................
8.1 Regular service interval ..............................................16
8.2 Washing the rotor .......................................................16
7HFKQLFDOGDWD ..................................................

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$SSHQGL[
1. Component list
2. Dimension
3. Electrical diagram AQ-30B, AQ-31B
4. Electrical diagram AQ-31L
5. Harmful chemicals and solvents for rotors
6. CE-declaration
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FIGURE 1: Type plate ..........................................................................................9
FIGURE 2: Serial number structure for a single-phase unit .................................9
FIGURE 3: Serial number structure for a three-phase unit ...................................9
FIGURE 4: Product overview ............................................................................10
FIGURE 5: Principle of operation & rotor ...........................................................10
FIGURE 6: Humidistat positioning .....................................................................11
FIGURE 7: Control panel ...................................................................................13
FIGURE 8: EH3 T2 ............................................................................................14
FIGURE 9: EH4 .................................................................................................14
FIGURE 10: Capacity troubleshooting and solution table..................................15
FIGURE 11: Service chart .................................................................................16

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1 SAFETY
1.1 AIMOFTHISDOCUMENT
This document accompanies delivery and is therefore an integral part of the
equipment. It describes the machine’s design and configuration at the time of
delivery.
In the interest of safety, please study this document before installing or operating
the equipment.
Instructions relating to safety, handling, operation and maintenance must be
followed.
Non-compliance can result in serious personal injury or damage to the machinery
and may invalidate manufacturers’ liabilities and warranties.
This document includes guidance for:
• Installers
• Operators
• 0DLQWHQDQFHVWDႇ
Please retain this document throughout the lifetime of the equipment.
1.2 EMPHASISEDTEXT
Caution! Indicates hazards that could result in damage to the equipment.
:DUQLQJ Indicates “potentially” hazardous situations that could result
in damage to the equipment, serious personal injury or death.
'DQJHU Indicates “imminently” hazardous situations that could result
in damage to the equipment, serious personal injury or death.
Attention! Indicates important information or instructions that require
special attention.
1.3 INTENDEDUSE
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for any other use. For further advice please contact a DST representative.
8QOHVVVSHFL¿FDOO\VWDWHGLQWKLVPDQXDOWKHIROORZLQJDSSOLFDWLRQVDUHSURKLELWHG
• conditioning of gases (other than air)
• conditioning of air contaminated with chemicals or aggressive elements
• FRQGLWLRQLQJRIDLUFRQWDLQLQJÀDPPDEOHRUH[SORVLYHHOHPHQWV
• in rooms or air systems having a potentially explosive atmosphere
(ATEX)
• conditioning of air at elevated pressures
• DLUHQWHULQJWKHURWRUWKDWKDVQRWEHHQSURSHUO\¿OWHUHGZLWKDWOHDVW
G4 class
• compounds in the air that will possibly deteriorate the silica gel rotor -
see appendix for detailed information
1.3.1 HAZARDOUSOPERATINGCONDITIONS
Operation of the system is deemed to be hazardous if it is:
• not operated inside or is not protected within a weatherproof enclosure.
• not operated within the permitted operating parameters (see technical
VSHFL¿FDWLRQV
• operated outside the scope of ‘normal’ use (see intended use)
1.3.2 RESPONSIBILITIESOFTHEOPERATOR
It is the responsibility of the operator of the system to ensure that all personnel
engaged in the installation, operation, maintenance and service of the equipment
have read and understood the relevant sections of this manual.
For your own safety, wear the appropriate personal protective equipment (PPE).
1.3.3 MINIMISINGHAZARDS
To ensure that risk to personnel is minimised:
• Ensure that all activities relating to this equipment are carried out by
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• Identify and prevent potential safety hazards in the environment.
To ensure a failure-free operation:
• Keep this manual ready to hand with the unit.
• Use the machine as intended only.
• Only use the machine if it is fully functional.
• Check the condition of the machine before using.
• &KHFNWKHPDFKLQHIRURSHUDWLRQDOHႈFLHQF\DWUHJXODULQWHUYDOV
• Carry out maintenance and testing at prescribed intervals.
1.4 SAFETY
This equipment conforms to the relevant European regulations and directives and
is designed and manufactured to be safe and reliable in operation.
The continued safety and reliability of the supplied equipment is entirely dependent
on its correct handling, installation, operation and maintenance.
1.5 INSPECTIONOFGOODS
Check for transportation damage! Use this product only if you assess it as being
undamaged and faultless. Any damage must be recorded by the forwarder at
the time of delivery and reported to the supplier of the equipment at the earliest
opportunity.
Please check the equipment carefully for damage upon receipt and after removal
of all packaging.
1.6 SAFETYADVICEREGARDINGTRANSPORTATION
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position the unit.
:DUQLQJ If a forklift is used to move the unit, please ensure the load is
evenly balanced.
1.7 INSTALLATION
Attention! Installation, testing, commissioning and maintenance must
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person. Wherever possible, all mechanical work must be carried out with
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• DPHFKDQLFDOWHFKQLFLDQRUHQJLQHHUTXDOL¿HGWRVHUYLFHDQGPDLQWDLQ
air conditioning plant and associated systems who
• has completed the appropriate health and safety training
• has read and is familiar with the contents of this manual
• is professionally competent to commission and service this type of
equipment.
Caution! The air dryer is designed for internal installation. For external use
it will require a weatherproof enclosure.
Caution! The air dryer must be installed on a horizontal plane.
Attention! The air ducts must be vibration-free and sizable enough to
prevent pressure build-up when conveying the incoming and outgoing air
from the unit.
Attention! The incoming and outgoing outlets on the machine are not
designed to bear any weight from the air ducts system.

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1.8 ELECTRICALINSTALLATION
Attention! Wherever possible, all electrical work must be carried out with
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EHORFNHGLQWKHRႇSRVLWLRQ$OOHOHFWULFDOZRUNPXVWEHFDUULHGRXWE\D
TXDOL¿HGSHUVRQRUXQGHUWKHVXSHUYLVLRQRIDTXDOL¿HGSHUVRQ
$TXDOL¿HGSHUVRQHOHFWULFLDQLVGH¿QHGLQWKLVPDQXDODV
• DQHOHFWULFDOWHFKQLFLDQRUHQJLQHHUTXDOL¿HGWRVHUYLFHDQGPDLQWDLQDLU
conditioning plants
• has completed the appropriate health and safety training
• has read and is familiar with the contents of this manual.
'DQJHU If working on the unit’s isolation switch, ensure that the plug is
unplugged from the electrical grid to prevent accidental resetting.
'DQJHU Electrical connections are to be made in accordance with local
regulations.
Attention! Check that the incoming electrical supply conforms to the
electrical wiring diagram and the manufacturer’s type plate attached to
the unit.
Caution! Parameters used in the electrical protection and alarm circuits
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in the electrical wiring diagrams, technical data or parameter list.
:DUQLQJ This equipment will contain high voltage electrical components!
1.9 OPERATION
Caution! On no account should the unit be operated without air filters
installed!
Caution! Do not process air at a temperature higher than 40°C/104°F. This
may damage the internal components!
1.10 MAINTENANCE
Caution! Defective electrical components and defective wiring must be
replaced immediately. The equipment must not be operated until the defect
has been repaired and the unit has been retested.
Attention! Advise all operating and maintenance personnel of the
automatic restart function if applicable.
Attention! Pay attention to accessibility requirements for maintenance and
service purposes.
Caution! The operation of all electrical safety devices is to be checked at
commissioning and during service/maintenance. Under no circumstances
are these devices to be deactivated (e.g., during adjustment or bridging).
Caution! Do not expose the unit to water jets during the washing-down
procedure!
Caution! Do not wash the rotor!
:DUQLQJ Allow the fans to come to a complete stop and the unit to be
isolated from the electrical supply before removing any panels!
:DUQLQJ The unit is equipped with a heating element. Do not touch the
equipment whilst it is hot. Allow the unit to cool for at least PLQXWHV before
any service or maintenance is performed.
1.11 DISPOSAL/RECYCLING
When the unit is no longer in use, dismantle the unit and recycle the components
according to local regulations. Contact a DST representative if you have any
questions.

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2 INTRODUCTION
2.1 TYPEPLATEOVERVIEW
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1. Model designation
2. Serial number
3. Electrical supply information
4. Regeneration heater power
RECUSORB DR-50R
Nr DR-50R.0000XXX
Electric heater P nom 4 kW
3 x 400V ~ 50Hz
P motors 0.23kW
P tot 4.3 kW
I tot 10 A
Seibu Giken DSTAB
Avestagatan 33
16353 SPÅNGA, Sweden
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2.2 SERIALNUMBERSTRUCTURE
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which does not match the current structure.
Nr DR-50bb.000cddd
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Nr DR-50abb.000cddd
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1. Model designation
2. Regeneration heater (a) - the type of heater the unit is equipped with.
R = Resistive (electric)
G = G as
S = Steam
HW = Hot water
WW = Warm water
D = Diesel
O = O il
3. Special unit (EE) - code to indicate a special manufactured unit
SP = Special
1RWH The absence of SP indicates a standard manufactured unit; e.g. DR-50RSP is a special manufactured unit, and DR-50R is a standard manufactured unit.
4. Serial number (c) - to indicate whether the unit belongs to a special or standard manufactured series
0 = Standard manufactured series
7 = Special manufactured series
5. Serial number (ddd) - serial number of the manufactured unit (ddd)
001, 002, 003, 004...

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3 PRODUCTDESCRIPTION
3.1 PRODUCTOVERVIEW
2
1
4
5
7
6
3
1. Control panel
2. Electric cable
3. 3URFHVV¿OWHUSURFHVVDLULQ
4. Dry air out
5. Cooling air from the condensor
6. Condensate outlet
7. Observation window for the level switch
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3.2 APPLICATIONS
DST desiccant-type dehumidifiers are normally used where dry air is essential to the various manufacturing processes used in chemical, pharmaceutical, food or
confectionery industries, or where a dry environment is required for the storing and handling of moisture-sensitive products and raw materials.
7KHZHOOSURYHQDLUGU\LQJWHFKQRORJ\XVLQJWKHDGVRUSWLRQSULQFLSOHSURYLGHVJUHDWÀH[LELOLW\LQVROYLQJKXPLGLW\SUREOHPV,WRႇHUVWKHXVHULQGHSHQGHQWKXPLGLW\FRQWURO
GRZQWRGHZSRLQWVIDUORZHUWKDQWKHHႇHFWLYHRSHUDWLQJUDQJHRIUHIULJHUDWLRQGHKXPLGL¿HUV
Hot air with low
relative humidity
Warm air with
high humidty
Humid air Dry air
Water molecules
Silica gel micropores
adsorb the water molecules
1. Process sector
2. Regeneration sector
3. Process air in
4. Filter
5. Process fan
6. Dry air out
7. Regeneration heater
8. Regeneration fan
9. Condenser
10. Cooling air from the condenser
11. Drip pan
8
3
11
6
95
2
1
4
10
7
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KXPLGDLULVWKHQFRROHGLQWKHDLUFRROHGFRQGHQVHUDQGWKHPRLVWXUHLVWUDQVIHUUHGWRZDWHU
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4 INSTALLATION
4.1 UNITINSTALLATION
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1RWHUse the installation guidelines as a reference only.
4.2 GENERALDUCTWORKINSTALLATION
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for more information.
• $YRLGUHFLUFXODWLRQIURPWKHVHSDUDWHDLUÀRZVGLUHFWHQWHULQJDQGH[LWLQJDLUÀRZDZD\IURPHDFKRWKHU
• &KHFNLIWKHGU\DLULVZHOOGLVWULEXWHGLQWKHGHKXPLGL¿HGDUHD
• 7KHUHJHQHUDWLRQDLULQDQGZHWDLURXWKDVWREHFRQQHFWHGWRWKHRXWVLGHRIWKHGHKXPLGL¿HGDUHDSUHIHUDEOHRXWGRRU
• 7RLQFUHDVHWKHOLIHWLPHRIWKH¿OWHULWLVUHFRPPHQGHGWDNLQJDLUIURPDKLJKHUOHYHOZKHUHGXVWDQGRWKHUSDUWLFOHVDUHNHSWDWPLQLPXP
• Install dry air out duct/channel at a high level.
• 7RPD[LPL]HWKHGU\LQJFDSDFLW\IUHHEORZLQJRQGU\DLURXWZLWKRXWDLUÀRZUHGXFWLRQLVUHFRPPHQGHG
• $OORZZHWDLUWRGLVSHUVHIUHHO\ZKHQH[LWLQJWKHGXFW
• ,WLVUHFRPPHQGHGWRLQVXODWHWKHZHWDLUGXFW
• 7KHZHWDLUGXFWPXVWEHLQVWDOOHGDWDVORSLQJRXWZDUGVDQJOHGXHWRULVNRIFRQGHQVDWLRQLQVLGHWKHGXFWZRUN7KHVHWXSZLOODOVRSUHYHQWFRQGHQVDWLRQÀRZLQJEDFN
LQWRWKHGHKXPLGL¿HU
• ,IWKHGXFWQHHGVWREHLQVWDOOHGKLJKHUWKDQWKHZHWDLURXWOHW¿[DFRQGHQVDWHGUDLQDWWKHORZHVWSRLQWRIWKHGXFW
• 'RQRWFRQQHFWWKHDLURXWOHWWRDYHQWLODWLRQV\VWHPZKLFKFDQFUHDWHSUHVVXUHWKDWZLOOUHVXOWLQUHYHUVHDLUÀRZWKURXJKWKHGHKXPLGL¿HU
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4.3 HUMIDISTAT/ELECTRONICCONTROLLERINSTALLATION
Install the humidistat/electronic controller away from the dry air out path to avoid false readings.
;
:
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4.4 CONDENSATE
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from the drip pan.
7KHFRQGHQVDWHSXPSKDVDÀRDWVZLWFKPRGXOHWKDWZLOOLQFDVHRIDFRQGHQVDWHRYHUÀRZLQWKHGULSSDQDXWRPDWLFDOO\WXUQRႇWKHGHKXPLGL¿FDWLRQ
1RWH The maximum hose length is limited to 20 meter and the maximum head is limited to 2 meter from the drip pan. Perform regular maintenance on the hose as well on the
level switch to ensure fault-free operation.
Caution!
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4.5 ELECTRICALCONNECTION
Electrical components should be connected to the supply according to the local regulations and requirements.
4.5.1 POWERSUPPLY
The single-phase cable is to be directly connected to the power grid with earthing capability.
See electrical diagram for a electrical voltage and operation frequency.

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4.5.2 HUMIDISTATCONNECTIONS
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See electrical diagram for connections.
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5 OPERATION
5.1 GENERALOPERATION
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The mode switch has two operation modes.
• Manual (MANPRGH7KHXQLWUXQVXQWLOPDQXDOO\WXUQHGRႇ
• Automatic (AUTOPRGH7KHXQLWLVFRQWUROOHGE\DVHWSRLQW,WVWRSVWKHGHKXPLGL¿FDWLRQZKHQWKHFRQWUROVHWSRLQWKDVEHHQDFKLHYHG7KHXQLWDXWRPDWLFDOO\
UHVXPHVRSHUDWLRQZKHQWKHPHDVXUHGYDOXHLVDERYHWKHFRQWUROVHWSRLQW$KXPLGLVWDWLVUHTXLUHGWRRSHUDWHWKHXQLWLQDXWRPDWLFPRGH
*Option
5.2 67$57˨837(67$1'$'-8670(17
1. Inspect and clean the inside of the unit from foreign objects such as rags, tools, particles of metal, and such, that may pose damage to the inside of the unit.
2. If any, ensure that both air balance dampers are open and check that the air paths of the duct work are not obstructed in any way.
3. &KHFNWKDWWKH¿OWHUVDUHVHFXUHO\LQSODFH
4. &KHFNWKHRSHUDWLRQRIWKHÀRDWVZLWFK
5. If applicable, check that the rating of the electrical supply fuses is correct, see wiring diagram.
5.3 START
1. Switch MAN/AUTO >@ t o “MAN” (AUTO-mode can only be used if a humidistat is connected).
2. Switch ON/OFF >@ to “ON”.
5.4 STOP
1. Switch ON/OFF >@ to ³2))´.
2
1
3
4
5
6
7
1. MAN/AUTO
2. ON/OFF
3. Fuse
4. Ampmeter
5. Elapsed time meter
6. Humidistat plug
7. Electrical cable
1RWH A blown fuse will only stop the regeneration fan.
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6 OPTION&ACCESSORY
6.1 WHEELS&HANDLE
Install wheels and handle to facilitate transport from one location to another. They can be installed upon delivery or easily mounted afterwards.
6.2 ELECTRONICHUMIDITYCONTROLLERANDELECTRONICHUMIDISTAT
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electrical box next to the control panel or loose device for on-site installation.
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48
Hand
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Electronic humidistat
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1RWH Data sheet and user’s manual is available separately.

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7 TROUBLESHOOTING
7.1 CAPACITYTROUBLESHOOTING
7KHGHKXPLGL¿HUSHUIRUPDQFHFDQEHURXJKO\FKHFNHGE\IHHOLQJWKHWHPSHUDWXUHRIWKHXQLQVXODWHGGXFWZRUNQHDUWKHXQLW
PROBLEM OBSERVATION SOLUTION
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maintain required condition or
achieve expected performance,
despite being operated at full
power.
Dry air outlet duct is cold.
&KHFN¿OWHUUHSODFHLIQHFHVVDU\
Check rotor rotation.
&KHFNSURFHVVDLUÀRZDQGSURFHVVIDQ
1RDLUÀRZ
Check process fan.
&KHFN¿OWHUUHSODFHLIQHFHVVDU\
Check setpoint and humidistat, if installed.
Check condenser for blockage.
1RZDWHULVÀRZLQJRXWIURPWKHFRQGHQVDWH
outlet.
Check condensate outlet and hoose for blockage.
Check condensate hoose length and height, max. 20 m in lenght and 2 m in height
from the drip pan.
Check for water in the condensate removal pump for any blockage or component
failure.
Check control thermostat.
Check regeneration heater operation.
Check regeneration fan or 24VDC transformer.
Check level switch.
Check and replace fuse.
Check rotor rotation.
Check if the unit is levelled.
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8 MAINTENANCE
8.1 REGULARSERVICEINTERVAL
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Filter &OHDQWKH¿OWHUKRXVHDQGFKDQJH¿OWHU &OHDQWKH¿OWHUKRXVHDQGFKDQJH¿OWHULIQHFHVVDU\
General Inspect the dehumidifer for any internal and external physical
damage. Clean the unit internally and externally if needed.
,QVSHFWWKHGHKXPLGL¿HUIRUDQ\LQWHUQDODQGH[WHUQDOSK\VLFDOGDPDJH
Clean the unit internally and externally if needed.
Belt system Check the tension in the timing belt and, if needed, adjust it.
Fan/s and rotor motor Check rotor and fan/s for damage. Clean and, if any, retighten the screws.
Check cables for possible damages and any sign of overheating.
Rotor and, if any, seals Check if the rotor is undamaged and free from particles that
may clog the matrix. If any, clean and remove dust and other
foreign objects from the rotor.
Check seals for any damages and any wear, replace if
necessary.
Check if the rotor is undamaged and free from particles that may clog the
matrix.
If necessary, clean and remove dust and other foreign objects from the rotor.
Check seals for any damages and wear, replace if necessary.
Electrical component,
cables and terminal
Check if all cables, electrical component and terminal are secured and for
any damages or wear.
Check gauges and adjust if necessary.
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humidistat is installed.
Regeneration heater Check if cables connected to the heater is undamaged.
Remove any foreign objects on top and underneath the heater.
Condenser Check and clean the condenser if necessary
Condensate removal
system
Clean the level switch, condensate pump and drip pan if
necessary.
Clean the level switch, condensate pump and drip pan if necessary.
+XPLGLVWDWLI¿WWHG Check if the humidistat is working properly and calibrate it or change if
necessary.
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8.2 WASHINGTHEROTOR
The D-MAX rotor has a distinct advantage over other types of desiccant rotors in that dust and grease can be washed out of the material without the need for reimpregnation
after treatment. In all normal applications however it must be emphasised that washing of the rotor should be considered as a last resort having alleviated all other possible
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Caution!
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9 TECHNICALDATA
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$4 $4
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Capacity [kg/h] 1) 0.65 1
1RPLQDOGU\DLUÀRZ>PK@ 370 330
External static pressure dry air [Pa] 2) 100 100
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Heater current [A] 3) 5.7 7.8
Heater power [kW] 1.3 1.8
Total motor power [kW] 0.2 0.2
Total power [kW] 1.5 2
Total amperage [A] 6.7 8.7
2WKHUHOHFWULFDOLQIRUPDWLRQ
Supply fuse 230V/ 50Hz [A] 10 10
Electric compartment protection class IP44 IP44
Humidistat connection 230V 230V
Humidistat supply current [A] 5) 10 10
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$LU¿OWHUFODVVUHJHQHUDWLRQSURFHVV -/G4 -/G4
Weight [kg] 34 38
Noise level [dB(A)] 4) <70 <70

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Innehåll
6lNHUKHW ...........................................................
1.1 Syfte med denna dokumentation ................................ 23
1.2 Anvisningar i texten ....................................................23
1.3 Avsedd användning....................................................23
1.3.1 Felaktiga arbetsförhållanden ...........................23
1.3.2 Användarens ansvar ........................................ 23
1.3.3 Minskning av risker ...........................................23
1.4 Säkerhet .....................................................................23
1.5 Inspektion av godset. ..................................................23
1.6 Säkerhetsråd avseende transport ..............................23
1.7 Installation ..................................................................23
1.8 Säkerhetsråd avseende elsystem .............................24
1.9 Drift .............................................................................24
1.10 Underhåll ..................................................................24
1.11 Demontering och återvinning ...................................24
,QWURGXNWLRQ .....................................................
2.1 Typskyltöversikt..........................................................25
2.2 Serienummerstruktur .................................................25
3URGXNWEHVNULYQLQJ ........................................
3.1 Produktöversikt ..........................................................26
3.2 Användning ................................................................26
,QVWDOODWLRQ .......................................................
4.1 Generell aggregatinstallation .....................................27
4.2 Kanalinstallation .........................................................27
4.3 Hygrostat/Elektronisk fuktregulator installation .......... 27
4.4 Kondensvatten ...........................................................27
4.5 Elektriskt matning .......................................................27
4.5.1 Strömförsörjning ..............................................27
4.5.2 Hygrostatanslutning .........................................28
,GULIWWDJDQGH ....................................................
5.1 Generell driftinformation .............................................29
5.2 Innan igångkörning .....................................................29
5.3 Start ............................................................................29
5.4 Stop ............................................................................29
7LOOYDOWLOOEHK|U ..............................................
6.1 Hjul & handtag ............................................................30
6.2 Elektronisk fuktregulator och elektronisk hygrostat ....30
)HOV|NQLQJ .......................................................
7.1 Kapacitetsfelsökning ..................................................31
8QGHUKnOO ..........................................................
8.1 Regelbunden serviceomgång ....................................32
8.2 Tvättning av rotor ........................................................32
7HNQLVNGDWD .....................................................

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14
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