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MICROWELL DRY 500 DUCT User And Installation Manual

Ducted swimming pool dehumidifier
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User´s and installation manual
DUCTED SWIMMING POOL
DEHUMIDIFIER
Model:
DRY 300 DUCT
DRY 400 DUCT
DRY 500 DUCT
DRY 800 DUCT
DRY 1200 DUCT
Version: 2023-06-07

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  • Page 1 User´s and installation manual DUCTED SWIMMING POOL DEHUMIDIFIER Model: DRY 300 DUCT DRY 400 DUCT DRY 500 DUCT DRY 800 DUCT DRY 1200 DUCT Version: 2023-06-07...

  • Page 2: Table Of Contents

    User´s and installation manual DRY 300/400/500/800/1200 DUCT 7.6.23 Thank you for purchasing Microwell swimming pool dehumidifier. You have exceptional piece of device and you chose the best and the most energy efficient dehumidifier for your pool. Before you use this device, it is necessary to carefully read the entire User’s manual.

  • Page 3: Waste Disposal Information

    Model Microwell DRY 300 DUCT is designed for halls with swimming pool surface of up to 30m Model Microwell DRY 400 DUCT is designed for halls with swimming pool surface of up to 40m Model Microwell DRY 500 DUCT is designed for halls with swimming pool surface of up to 50m .

  • Page 4: Electrical Safety

    4/73 | User´s and installation manual DRY 300/400/500/800/1200 DUCT 7.6.23 this User’s manual may lead to an injury or property damage and will lead to loss of warranty. To prevent injury or property damage the following instructions must be followed: 2.1 ELECTRICAL SAFETY •...

  • Page 5: Handling Precautions

    7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 5/73 2.3 HANDLING PRECAUTIONS Leave the unit in a vertical upright position for at least Keep in vertical 2 hours before mounting. It is necessary to stabilize the position for 2 hours refrigerant charge and especially to return the oil to the compressor tray.
  • Page 6 6/73 | User´s and installation manual DRY 300/400/500/800/1200 DUCT 7.6.23 • Please notify your reseller or distributor if the delivered unit had been damaged. The unit may appear to work fine at first, but minor damage may cause the unit to stop working properly in a short time. In this case the unit must be inspected and its further use must be approved by the seller.

  • Page 7: Product Description

    7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 7/73 3. PRODUCT DESCRIPTION The unit was delivered in carton box on a wooden palette. Please unpack the unit and check the content. It should include the following: Package: Name/ code Image Name/ code Image...
  • Page 8 8/73 | User´s and installation manual DRY 300/400/500/800/1200 DUCT 7.6.23 5 – Adjusting "L" 6- Built-in digital piece humidistat and thermostat + screw M6 – 2x + nut MC – 1x + washer D7 – 2x Compatibility: DRY800/1200 DUCT Additional accessories (to order): Name/code Image Name/ code...
  • Page 9 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 9/73 6 – Air filter 7 – Defrost thermostat Installed inside the device Please note that pictures may differ. List of necessary tools (is not part of packaging): Názov/ kód Obrázok Názov/ kód Obrázok 1 - Drill...

  • Page 10: Description Of Basic Parts

    10/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 1.1. Description of basic parts Legend: DRY300/400 DUCT 1 – Air exhaust / AIR OUT/ = supply for pool hall 2 – Air suction /AIR IN/ = exhaust from pool hall 3 –...

  • Page 11: Air Connection Options

    7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 11/73 1.2. Air connection options 1.2.1. DRY300/400 DUCT Flange Hatch Connection marking Connection type connection for Thread dimensions air ducting 300x100mm 320x120mm Air inlet from bottom 300x100mm 320x120mm Air outlet from the top 300x100mm 325x125mm Air inlet from the front...
  • Page 12 12/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 1.2.2. DRY500 DUCT Flange Hatch Connection marking Connection type connection for Thread dimensions air ducting 500x100mm 520x120mm Air inlet from bottom 500x100mm 520x120mm Air outlet from the top Air inlet from the front 500x100mm 510x120mm Flange connection for air...
  • Page 13 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 13/73 DRY500 DUCT AIR OUTLET TO THE TOP S2 AIR OUTLET TO THE FRONT F2 AIR INLET FROM THE BOTTOM AIR INLET FROM THE FRONT...
  • Page 14 14/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 1.2.3. DRY800/1200 DUCT Flange Opening Connection marking Connection type connection for Thread dimensions air ductiong 700x100mm 720x120mm Air inlet from the back 700x100mm 720x120mm Air outlet from the back 700x100mm 725x125mm Air inlet from the front...
  • Page 15 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 15/73 DRY800 DUCT, DRY1200 DUCT AIR OUTLET TO THE BACK A2 AIR OUTLET TO THE TOP C2 AIR OUTLET TO THE FRONT B2 AIR INLET FROM THE BACK AIR INLET FROM THE FRONT AIR INLET FROM THE...

  • Page 16: Lphw Hot Water Insert For Additional Heating - On Demand

    If your dehumidifier is equipped with a hot water element and/or a solenoid valve, you must use built- in digital controller OR MICROWELL DRY EASY300 wireless humidistat and thermostat OR EBERLE HYG7001 thermostat and hygrostat to activate the air heating function with a dehumidifier, or you must have an external thermostat connected.
  • Page 17 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 17/73 Parameters of the solenoid valve: • dimension DN 12, • operating pressure PN 10, • threaded connection, • control: coil • 230V (D-233), • material: brass, • controlled directly, • type: 8253 12D 1 12 2 1 230V AC Item Material...

  • Page 18: Humidity Control By Remote Controller - On Demand

    18/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 The dehumidifier can be equipped with a solenoid valve on request. When used in combination with a hot water coil, it has a similar function to the fan coil, i. the fan works independently with the compressor (humidistat) and independently with the LPHW hot water coil (thermostat).
  • Page 19 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 19/73 The manufacturer recommends setting the required humidity value on the DRY EASY 300 in the range of 55 to 65% RH. If the backup humidistat had been set to a lower value than the DRY EASY 300 remote humidistat, the backup humidistat will take over the room humidity control and in this case the dehumidifier will not respond to signals from the DRY EASY 300 remote humidistat.

  • Page 20: Humidity Control By External Wired Humidistat Eberle

    20/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 Location of receiver and antenna A: The receiver is located inside the electrobox and the antenna is located on the outside of it. B: For TTW version / through the wall / we recommend pulling the antenna into the pipe in the wall.

  • Page 21: Handling Instructions

    7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 21/73 If your dehumidifier is equipped with a hot water insert and/or a solenoid valve also, you must use a humidistat with an EBERLE HYG7001 thermostat to activate the dehumidifier’s air heating function, or you must have an external thermostat connected.
  • Page 22 22/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 If the failure reporting continues, please ask us to change the component. Sensor failure. The electrical connection of the sensor is broken off. Please control the cable. Sensor failure. The sensor is short-circuited. Please control the cable. User setting HUMIDITY / TEMPERATURE changing ( /* Manufacturer settings) Press SET key for 10secs...
  • Page 23 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 23/73 Press SET key for 10secs Displayed immediately Displayed after 10 secs Press SET button shortly TEMPERATURE output type select „ “ HUMIDITY output type select „ “...
  • Page 24 24/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 Program setting ( /* Manufacturer settings) TEMPERATURE output type select Cooling Heating /* TEMP. output delay time setting Change TEMP. output Double(+/-) hysteresis hysteresis type select Single.(+) hysteresis setting Setting /* TEMP.
  • Page 25 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 25/73 HUMIDITY output type select Humidifying Dehumidifying /* HUMI. output delay time setting Change Single.(+) hysteresis HUMI. output Double(+/-) hysteresis setting setting /* hysteresis type select HUMI. output hysteresis setting Change HUMI.

  • Page 26: Control Of The Fan

    TEMP. display mode 4.2 Control of the fan A fan is very important part of a dehumidifier. Microwell has programmed the fan functionality in order to ensure absolute humidity control in your pool with strong focus on energy efficiency. For this reason all ducted dehumidifier models’s (DRY300DUCT, DRY400DUCT DRY500DUCT, DRY800DUCT and...

  • Page 27: Maintenance

    5.1 Location of the equipment DRY 300 DUCT, DRY 400 DUCT, DRY 500 DUCT, DRY 800 DUCT and DRY 1200 DUCT are designed to be installed in technical rooms. All models are IP44 protected. For...
  • Page 28 28/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 DRY 300/400/500 DUCT - Please use installation layout. It is 1:1 scale drawing of the dehumidifier with markings for wall console screws, side fixation screws, water drainage, electrical power supply and LPHW connection from the back. Brief installation instructions: DRY 300/400/500 DUCT 1.
  • Page 29 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 29/73 pay attention to the location of the electricity supply and the condensate drain! Available for DRY300- 400-500DUCT. Brief installation instructions (DRY300/400/500 DUCT) etermine a location for mounting the dehumidifier. Choose a suitable position respecting all the rules described above.
  • Page 30 30/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 +/- 0.3% 6. Secure console with the supplied or other suitable screws. The console must be in a horizontal position with a maximum deviation of +/- 0.3%! 7. Secure dehumidifier onto the console.
  • Page 31 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 31/73 8. You will now need to remove the cover of the dehumidifier, to connect the power supply and condensate drain. The cover can be removed after loosening 2 screws (DRY 300/400) or 3 screws (DRY 500) on the bottom part of the device 9.
  • Page 32 32/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 10. In the lower left part, there is a condensate drain hose, which must be inserted into the sewer pipe (rear). Never drain condensate into the pool, it may contain dangerous bacteria. The lower part of the dehumidifier can be slightly pulled together and thus have access to the condensate.
  • Page 33 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 33/73 El. supply Drainage Preparation of electric power supply, condensate drain and console mounting Brief installation instructions (DRY800/1200 DUCT) WALL CONSOLES 3. Remove the 4 M8 screws that secure the dehumidifier to the palet. WARNING! Do not unscrew the M6 screws.
  • Page 34 34/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 Floor installation 2. Floor installation is complete. Finally, After removing 4 M8 screws, insert 4 attach the dehumidifier to the wall as rubber feet instead. shown below.
  • Page 35 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 35/73 Not included in packaging. Wall installation of DRY80/1200 DUCT – on demand If the dehumidifier is being installed on a wall, it is necessary to order a set of brackets for wall mounting.
  • Page 36 36/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23...

  • Page 37: Compressor Transport Protection

    7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 37/73 5.3 Compressor transport protection Your compressor is protected for the transport with plastic zipper strap. Due to compressor size and weight this is necessary in order to have a fully functional unit delivered to you safely. This protection must be removed before starting the unit.
  • Page 38 38/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 must be drained through a siphon to the sewer or to the outside environment. Please do not place the drain hose upwards (against gravity), as this may cause the appliance to be unable to drain water condensate.

  • Page 39: Main Power Supply Connection

    7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 39/73 Condensate drain Condensate Overflow drain 5.5 Main power supply connection Main electrical connection for fixed cable in wall As standard, the dehumidifiers are connected to a fixed cable in the wall. Connecting the device to an electrical network must comply with the relevant security standards.
  • Page 40 40/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 Standard terminal block - L, N, ground Main power supply Dehumidifier type El. cable Circuit breaker DRY 300 CYSY 3x 1,5 mm 10 A typ C DRY 400 CYSY 3x 1,5 mm 10 A typ C DRY 500 CYSY 3x 2,5 mm...
  • Page 41 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 41/73 MAIN ELECTRICAL CONNECTION OF THE DEHUMIDIFIER 230V/50Hz/1f 3x 2.5mm2 CYSY breaker 10A type C EBERLE HYG6001 connection for DRY 500 circuit breaker 30mA MAIN ELECTRICAL Black box from the SIDE of the CONNECTION OF THE electrobox DEHUMIDIFIER...
  • Page 42 42/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 Black box from the SIDE of the electrobox Black box from the FRONT of the electrobox EBERLE HYG7001 connection for DRY 500 POTENCIAL-FREE CONTACT POTENTIAL CONTACT- NO / Normal Open / - If the air is heated, then C / closed / MAIN ELECTRICAL CONNECTION OF THE...

  • Page 43: Connection To Air Ducting

    7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 43/73 Black box from the FRONT of the electrobox Electric heating element connection for DRY 300/400/500 EL. HEATING POWER SUPPLY 230V/50Hz/1f Cable: 3x2.5mm2 CYSY Power consumpation: 2kW (DRY300/400), 3kW (DRY500) Circuit breaker: 16A MAIN ELECTRICAL CONNECTION OF THE DEHUMIDIFIER 230V/50Hz/1f...
  • Page 44 44/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 It is suggested to drain the water from siphon into an external drain, pool compensation tank etc. If the water will be drained into a sewer system, it is advised to regularly fill the siphon with water to avoid unpleasant odor.
  • Page 45 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 45/73...

  • Page 46: Lphw Heating Coil For Additional Heating - On Demand

    46/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 LPHW heating coil for additional heating – on demand The LPHW heater element is supplied on demand only. Connection of the LPHW onto the LPHW plumbing is carried out similarly to the installation of radiators. On the feeder pipe, it is connected by a control valve and on the return pipe by a closing screw joint.

  • Page 47: Hot Gas Defrost (Dry300/ Dry400/ Dry500Duct) - On Demand

    External installation Your Microwell dehumidifier can be installed outdoors if you ordered it with an outdoor kit. In such case the dehumidifier is equipped with additional compressor heater, condensate tray defrost and the whole unit is specially insulated with thicker layer of thermal insulation to avoid condensation on its structure.
  • Page 48 48/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 Please proceed as per below when installing the through the wall: DRY 300-400-500 DUCT DRY 800-1200 DUCT (On demand) Always insulate the exceeding parts of the air ducting in order to avoid condensation on the ducts‘ structure.

  • Page 49: Air Filter - On Demand

    7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 49/73 Remark for outdoor installation: Although your dehumidifier unit is equipped with special thermal insulation, antifreeze protectors and its chassis is made from galvanized metal powder coated by enamel at 180°C, it is advised to avoid a direct sunlight, rain or snow to fall onto the unit.

  • Page 50: Air Filter Replacement

    50/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 Air filter replacement 1.Remove the screws. 2. Remove the filter cover. 3. Pull out the filter. 4. Replace the filter. Put a new air filter and follow the same procedure, but in reverse order. Cover removal Lower the side cover caps, unscrew and remove the side cover screws.
  • Page 51 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 51/73 DRY 800-1200 DUCT Lift the cover as shown in the illustration. Disconnect the connectors on the display on the left side under the cover. accessories Place the cover sideways on a foam pad or cardboard so that you do not scratch the cover on the floor.

  • Page 52: Expanded View Of Model Dry Duct

    6-Top LPHW, El. coil, Condenser Your Microwell DUCT dehumidifier allows you to access, inspect, maintain or service inner parts of the dehumidifier without necessity to de-install the air ducting and/or unit main chassis cover. This allows the maintenance or service to be easier and faster. Each compartment is...

  • Page 53: Technical Data

    7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 53/73 6. TECHNICAL DATA 6.1 Technical data table * DRY 300 DRY 400 DRY 500 DRY 800 DRY 1200 DATA UNIT DUCT DUCT DUCT DUCT DUCT For swimming pools with max. water surface Exctraction rate at 30°C and 60 % l/24hrs...
  • Page 54 6.2 Ventilator & Extraction rate diagrams DRY 300/400 DUCT Each Microwell DUCT dehumidifier is supplied with manual fan speed control. This allows manual settings of its speed in range of 65~100%. This is used to optimize performance/noise level ratio by each particular installation. Use at maximum for beginning or testing. Once your installation is fully completed (with all air ducting elements), please adjust the knob left- rightwards to fit into your performance and noise level preferences.
  • Page 55 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 55/73 DRY 500/800/1200 DUCT DRY 300 DUCT (l/24h) Air temperature (°C)
  • Page 56 56/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 DRY 400 DUCT (l/24h) Air temperature (°C) DRY 500 DUCT (l/24h) Air temperature ( °C DRY 800 DUCT...
  • Page 57 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 57/73 DRY 1200 DUCT LEGEND: DRY AIR OUTLET DIGITAL HUMIDITY REGULATOR LPHW CONNECTOR – ON DEMAND MAIN SWITCH HUMID AIR INLET AUXILIARY MECHANICAL HUMIDISTAT CONDENSATE DRAIN FROM THE BOTTOM ELECTRICITY CONNECTION 10 - CONDENSATE DRAIN FROM BEHIND 6.3 Unit´s dimensions DRY 800/1200 DUCT...
  • Page 58 58/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 DRY 300/400 DUCT DRY 500 DUCT View from above From left Front view From right View from below...
  • Page 59 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 59/73 6.4 Wiring diagrams...
  • Page 60 60/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23...
  • Page 61 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 61/73...
  • Page 62 62/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23...
  • Page 63 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 63/73 DRY 300/400/500/800/1200 DUCT – X5.D DRY EASY 300 /No-current contact for heating/...
  • Page 64 64/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 DRY 300/400/500/800/1200 DUCT – X5.D DSFOX /No-current contact for heating/...
  • Page 65 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 65/73 7. SUMMER SHUT-DOWN Some swimming pool users use to shut the dehumidifier for summer down. This is mainly due to favourable weather conditions with dry and warm weather. In such case, good air ventilation / natural air exchange does the job of humidity control for few weeks/months of the year.
  • Page 66 66/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 Acidity / pH level: 7,4 +/- 0,4 Total alkalinity, as CaCO3 80-120 Total hardness, as CaCo3 100-300 Total melted dry mass max. 3000 Maximum salt content wt/wt 0.3% (3,000 ppm, 3 kg of salt per 1 m of water) (standard dehumidifier) Maximum salt content...
  • Page 67 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 67/73...
  • Page 68 68/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23...
  • Page 69 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 69/73...
  • Page 70 70/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 Notes:...
  • Page 71 7.6.23 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 71/73 Notes:...
  • Page 72 72/73 | User´s and installation manual DRY 3 00/400/500/800/1200 DUCT 7.6.23 Notes:...
  • Page 73 User´s and installation manual DRY 300/400/500/800/1200 DUCT | 73/73 Distributor: Manufacturer: MICROWELL, spol. s r.o. SNP 2018/42, 927 01 Šaľa, Slovakia tel.: +421/31/770 7082 e-mail: microwell@microwell.sk w w w . m i c r o w e l l . e u...

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