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Metro Therm METROAIR AQUA 201, Manual

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Metro Therm METROAIR AQUA 201 Manual Download Page 9

9

FR1

FN1

EB1

BT3

EP1

XL4

XL5

5R180G front

Sensors

BT1: Air inlet temperature
BT2: Evaporator temperature
BT3: Tank water temperature
BT4*: Additional temperature
BT5*: Additional temperature
(not included)
BP1: Pressostat

 

Electric components

AA1: Main printed circuit board
AA2: Display circuit board
WF1: Modbus port 
GC1*: Solar 0-3V/10V
QA1*: SG-ready port
GP1*: Additional supply  
to pump or damper
KF1*: Wi-Fi

The items with * are optional. 

 
 
Nomenclature according to standard 
IEC 81346-1 and 81346-2.

Figure 5 – Design of  tank, condenser and 

related components

Summary of Contents for METROAIR AQUA 201

Page 1: ...1 DOMESTIC HOT WATER HEAT PUMP Manual METROAIR AQUA 201 METROAIR AQUA 301 S 08 956 1806...

Page 2: ...2...

Page 3: ...nd Delivery 13 3 Positioning 15 4 Water Circuit 17 5 Air system 21 6 Electric Connections 24 7 Control and Operation 25 8 Maintenance 42 9 Disassembly Decommissioning 45 10 Troubleshooting 46 11 Warra...

Page 4: ...ion can result in damages of properties and injuries to peo ple and animals The unit shall be disconnected from the power supply when the cover is off The unit shall not be used by children or people...

Page 5: ...with heat pump a cooling cycle utilizes the operation of a compressor and the extraction of heat from the air to heat the water in the tank This is the stand ard way used to heat the domestic hot wate...

Page 6: ...nsed in the condenser exchanging heat with water stored in the tank The refrigerant exits the condenser in a subcooled liquid form 3 Through a thermostatic expansion valve the pressure of the refriger...

Page 7: ...e compres sor 2 1 On average the energy absorbed by the evaporator is more than double of the energy used to run the compressor 1 2 4 Safety instructions Cooling circuit Only skilled and trained techn...

Page 8: ...QN1 Solenoid valve QN2 Thermostatic expansion valve XL3 Service valve Water circuit XL1 Water outlet XL2 Water inlet XL4 Coil top XL5 Coil bottom XL6 Air outlet XL7 Air inlet XL8 Condensate outlet XL9...

Page 9: ...onal temperature not included BP1 Pressostat Electric components AA1 Main printed circuit board AA2 Display circuit board WF1 Modbus port GC1 Solar 0 3V 10V QA1 SG ready port GP1 Additional supply to...

Page 10: ...ter Unit 190L 260L Dimensional data A Height mm 1610 1960 B mm 385 385 C mm 280 280 D1 mm 180 300 D2 mm 435 670 D3 mm 375 460 E1 mm 285 285 E2 mm 305 305 F Diameter mm 603 603 G Diameter mm 160 160 H...

Page 11: ...in BSPT ISO 7 1 Water connections Stainless mm 22 Compression fittings Water condensate connection mm 19 Nominal insulation thickness mm 50 50 Corrosion protection Magnesium anode Stainless steel Per...

Page 12: ...low 200 Pa Parameter Unit 190L 260L Airflow Nominal air flow rate variable range m3 h 450 0 800 Maximum fan power consumption W 85 Max external static pressure Pa 200 Pa G Air duct connections mm 160...

Page 13: ...be stored and preferably transported upright free of water and within its packaging Transport and storage may take place at temperatures between 10 C and 50 C If the unit has been transported or stor...

Page 14: ...rposes It should be made sure that the trailer does not damage the cabinet or the various connections Figure 8 Transport with trailer 2 6 Horizontal transport When carefully transporting the unit over...

Page 15: ...the criteria Room temperature between 5 C and 40 C Drain possibility for condensate and floor drain No abnormal dust concentration in the air Solid base approx 500 kg m2 It is necessary to ensure tha...

Page 16: ...unit off the pallet and place it on the floor 4 Adjust the unit vertically by adjusting the feet 5 Check that the unit has no damages 6 Set up the water circuit See chapter 4 and fill the tank with w...

Page 17: ...As for all pressurized vessels the heat pump water tank has to have an approved safety valve pressure setting depending on local rules and regulations and a non return check valve on the cold water i...

Page 18: ...connecting branch If the unit is filled with the hot water circulation access the middle connecting branch is used for hot water return Inlet of fresh cold water is mounted on the bottom con necting...

Page 19: ...s and it must be ensured that chosen materials work together without problems in the entire cir cuit Special attention must be paid when using galvanized components and components containing aluminum...

Page 20: ...sioning of the water circuit Fill the water tank via the cold water connecting branch Deaerate the water tank by opening one of the hot water taps located at the highest level until air no longer appe...

Page 21: ...r duct and duct con nection to ease future service of the unit It is also recommended to install silencer units in between the heat pump unit and the ventilation system to avoid potential travel of no...

Page 22: ...circulation of cold air into the unit 4 Ducted unit exhaust air This is the configuration that normally minimizes the electricity consumption of the unit It is particularly suggested if there is no co...

Page 23: ...used as ducted unit it is highly suggested to manually remove the plastic net by using a set of pliers This operation allows the unit to run more effi ciently since the air pressure losses in the air...

Page 24: ...s fixed installation or if the supplied plug does not ensure correct earthing cut off the Schuko plug from the power supply cable When the unit is connected to the power supply it will turn on automat...

Page 25: ...modes functions set points and information on the unit can be accessed Figure 17 Display control panel 1 Electric heating state ON OFF 2 Main menu Can be open by pressing 3 OK Enter 4 Mode Change wit...

Page 26: ...accessed by pressing The MAIN MENU is composed of 4 sub menus Temperatures Functions General Installer The menu items with are optional functions 7 2 Information menu The information menu can be opene...

Page 27: ...nce last Reset All I5 T Avg e The average evaporator temperature with operating unit in C since last Reset All I6 HP ON The number of START STOPS for the entire unit life time since last Reset All I7...

Page 28: ...t does not heat the water in any way Er4 T4 Error The temperature sensor T4 is out of range The error Er4 is ignored and the unit runs normally Er5 T5 Error The temperature sensor T5 is out of range T...

Page 29: ...lift is accomplished with only the electric heater P4 BACKUP This is an emergency mode When an error occur preventing the ope ration of the heat pump the water cannot be heated On the display the pos...

Page 30: ...ding to the relative mode of operation All temperatures are in C Code Set point name Description Range Factory setting A1 T AUTO The temperature level at which the unit heats the water when the AUTO m...

Page 31: ...and at B2 Fan speed when it is not operating B2 Fan speed The main fan speed regulation for the ventilation function There are three ventilation level that can be selected LOW D5 Min Fan Speed MEDIUM...

Page 32: ...um temperature level giving priority to the operation of the heat pump if the BOOST or BACK UP mode is not active The heat pump operates alone until the max allowed temperature for the heat pump oper...

Page 33: ...ller menu D28 Cooling type OFF ON OFF B10 Cooling T The air temperature set point C below which the heat pump stops when the unit is in the Cooling function 10 30 21 Code Set point name Description Ra...

Page 34: ...cted between 1 and 247 1 247 30 D2 1 Baud Rate Modbus baud rate The modbus baud rate can be selected between 19200 and 9600 9600 19200 19200 D2 2 Parity Modbus parity The modbus parity can be chosen b...

Page 35: ...4 D11 Evapo rator T max The maximum evaporator temperature allowed during the operation of the heat pump can be regu lated here If T2 has a higher temperature than the set point then use electric heat...

Page 36: ...e Light Saving Time can be deactivated OFF ON ON D20 PV min Voltage HP The minimum voltage V required to start the HP when the PV function is active 0 10 0 D21 PV min Voltage EL The minimum voltage V...

Page 37: ...and Electric heater are forced to operate SG1 ON and SG2 ON SG ECO The heat pump operates minimizing costs only the heat pump is activated SG1 OFF SG2 ON SG BLOCK The unit can be stopped even if there...

Page 38: ...appliances 1 If the voltage is between 0 3 0 V the fan speed is D5 Fan min speed 2 If the voltage is between 3 0 8 0 the fan speed is D4 Fan medium speed 3 If the voltage is higher than 8 V the fan sp...

Page 39: ...0 7 6 Photovoltaic Function The domestic hot water heat pump DHWHP can be controlled by a signal from a solar photovoltaic PV converter or an energy meter either as simple start stop via a poten tial...

Page 40: ...start the unit the power must be switched off and switched on again 7 7 2 Safety breakers In the event of a failure on the electrical immersion heater the safety breakers will shut down the unit If th...

Page 41: ...nu High pressure switch BP1 is defective or not connected to the PCB Substitute component Er 7 Err Evap Er9 Err H Evap High evaporator temperature Wrong position of the temperature sensor Check that T...

Page 42: ...from the top part of the EPS hous ing Remove the top part of the EPS housing off the unit Clean the evaporator and fan with a brush or a bottle brush Be carefull using cleaning spray The may contain...

Page 43: ...the handle on the pressure relief valve while checking that water discharges Damages due to a faulty pressure relief valve are not covered by the warranty Please note that water may drip from the dis...

Page 44: ...following should be done Close the cold water inlet Connect a hose to the drain valve so the water from the water tank can run into the nearest drain Open a hot water tapping point to avoid vacuum in...

Page 45: ...ach a hose to the drain valve so that water from the tank can run to the nearest drain Remove the water and heating pipes Remove the air ducts and close all supply and extract air dampers so that no c...

Page 46: ...eatures disengaged the heat pump electrical emersion heater Has external short circuiting of terminals disengaged the heat pump Has factory resetting been tested If it is not one of the above errors p...

Page 47: ...an is connected to the PCB or substitute the component SG Ready function is active Switch OFF SG Ready function Themal safety switch FN1 opens and stops the power supply to the electric heater Restore...

Page 48: ...iting has been reached as to the scope of the repairs The fitter has stated the product s serial number when METRO THERM was contacted The fitter has sent a copy of the purchase invoice or installatio...

Page 49: ...ty will only apply if annual statutory service has been performed and can be documented on request If the Product has been positioned in such a way as to impede immediate servicing Where the Product i...

Page 50: ...50 12 DECLARATION OF CONFORMITY The Declaration of Conformity can be downloaded at www METROTHERM dk...

Page 51: ...TALLER INFORMATION Installed model Serial number Accessories Installers Pipe installation Date Company Name Phone number Electrical installation Date Company Name Phone number Commissioning Date Compa...

Page 52: ...METRO THERM A S RUNDINSVEJ 55 3200 HELSINGE INFO METROTHERM DK WWW METROTHERM DK 08 956 1806 714284999...

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