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Summary of Contents for elco AEROTOP L 054
- Page 1 User Manual For Authorized Service Technicians AEROTOP L Air-Water Heat Pump for outdoor installation www.elco.net 01/2021 no. 420011134100...
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Page 2: Table Of Contents
Table of Contents General Information Table of Contents ................. 2 Intended use, Safety instructions and regulations ............3 Product description Features ....................6 Technical data ..................7 Refrigerant information ................. 8 Scope of delivery ................. 9 Operating conditions ................9 Installation General notes on delivery, handling and transport ...... -
Page 3: Intended Use
General information Intended use, Safety instructions and regulations General information Warranty Conditions In these cases it is necessary to pro- Our performance guarantee shall vide a heating pipeline. A functional The calculations, sizing, installations lapse for damage due to: heating or heat pump ready pose in and putting into service related to ... - Page 4 General information Intended use, Safety instructions and regulations The precautions in this manual are Maintenance operations must Make sure to install an addi- divided as indicated on the side. They be performed as recommended tional differential circuit-breaker are important, so make sure you fol- by the manufacturer.
- Page 5 General information Intended use, Safety instructions and regulations Children must not play with the unit. Do not touch the internal parts Do not install the unit in the fol- Cleaning and maintenance opera- (pump, backup heater, etc.) during lowing places: tions to be carried out by the user and immediately after functioning.
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Page 6: Product Description
Product description Features AEROTOP L High Degree of Efficiency and Quiet Operation Flexible and Space-Saving Optimized Defrosting The air-water heat pump AEROTOP Some air-water heat pumps are rela- Thanks to the correspondingly dimen- M is characterized by comparatively tively bulky due to the required cross- sioned air heat exchanger as well as very low noise emissions. -
Page 7: Technical Data
Product description Technical data AEROTOP L Cooling performances (EN14511:2018) 53,1 58,8 72,4 78,4 85,3 - A35 / W18 62,4 72,3 89,2 95,1 - Electrical absorption 20,3 25,3 29,3 (EN14511:2018) - EER (EN14511:2018) 2,95 2,90 3,15 3,10 2,91 - SEER 4,57 4,51 4,64 4,62... -
Page 8: Refrigerant Information
Product description Refrigerant information This product contains fluorinated greenhouse gases covered by the Kyoto protocol. Do not discharge gas into air. Refrigerant type: R32 Characteristics of R32 refrigerant: minimum environmental impact thanks to the low Global Warming Potential GWP ... -
Page 9: Scope Of Delivery
Product description Scope of delivery - Operating conditions Operating Limits Operation and installation manual The diagrams on the left show the operating limits of the AEROTOP L Total water probe heat pumps. The temperature differ- ence at the condenser must fall be- Transformer tween 5°C and 8°C. -
Page 10: Installation
Installation General notes on delivery, handling and transport Reception Handling It is strictly forbidden to stand You have to check before accepting Verify unit weight and handling under the machine when it is the delivery: lifted. equipment lifting capacity . ... - Page 11 Installation AEROTOP L 54 - 88...
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Page 12: General Notes Safety Areas And Functional Distances
Installation General notes Safety areas and functional distances Positioning Installation criteria: A correct circulation of the air is Consider these elements during posi- Customer approval mandatory to guarantee the good tioning: position accessible safely unit operating. Avoid therefore: Technical spaces requested by the ... - Page 13 Installation General notes Safety areas and functional distances A = 800 mm B = 500 mm C = 800 mm D = 500 mm E = 6000 Do not smoke or use open flames within this area F = 500 mm G = 500 mm Anti-vibration mounts Option...
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Page 14: Dimensions And Safety Areas
Installation Dimensions and safety areas AEROTOP L 54 - 61 Do not smoke or use open flames within this area Detail A Compressor compartment Control keypad Power input Water inlet 2” Victaulic Water outlet 2” Victaulic ... - Page 15 Installation Dimensions and safety areas AEROTOP L 65 - 88 Do not smoke or use open flames within this area Detail A Compressor compartment Control keypad Power input Water inlet 2” Victaulic Water outlet 2” Victaulic ...
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Page 16: Water Quality
Installation Water quality Water quality New systems Exclusions Circulators function well exclusively In case of new installations, it is es- The warranty does not cover damage with clean and high-quality tap water. sential to wash the entire installation formed by limestone, deposits and The most frequent factors that can (with the circulator uninstalled) before impurities deriving from the water... - Page 17 Installation Water quality Water component for corrosion limit on Copper 7.5 ÷ 9.0 < 100 - / SO > 1 Total Hardness 8 ÷ 15 °f < 50 < 2.0 < 0.5 Free Chlorine < 0.5 < 0.5 Mn++ < 0.05 <...
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Page 18: Hydraulic Connections
Installation Hydraulic connections Minimum capacity of the ex- changer The minimum water flow is indicated in the technical data. If the system capacity is below the minimum flow, bypass the system as indicated in the diagram. Maximum capacity of the ex- changer The maximum water flow is indicated in the technical data. - Page 19 Installation Hydraulic connections 1 exchanger 2 antifreeze heater 3 water temperature probe 4 drain 5 water flow switch 6 vent 7 system loading safety pressure switch 8 Pump 9 pressure relief valve 10 NA 11 shut-off valves 12 filter 13 flexible couplings 14 piping supports 15 exchanger chemical cleaning by- pass...
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Page 20: Quick Guide
Installation Quick guide Remote On - Off Heat - Cool Anti-snow function Antifreeze heater Signals... -
Page 21: Modular Configuration Units
Installation Modular configuration units Unit addressing - ENC4 UNIT 1 - MASTER 2 - Slave 3 - Slave 16 - Slave Addr. ENC4 Controller addressing - MENU + ► 3 sec 16 unit max: master unit + 15 slave unit UNIT 1 - MASTER 2 - Slave... - Page 22 Installation Modular configuration units TW Probe - Total water Maximum 4 units in the same water It is not possible to have a hy- It must be installed on the supply of branch. dronic assembly installed on the unit, as far away as possible. Maximum total 16 units.
- Page 23 Installation Modular configuration units Operations sequence Single/multiple pump system Neglecting to wash will lead to Before starting the unit pump: Set up the DIP S12-2 according to the the filter having to be cleaned Close all vents in the high type of system.
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Page 24: Electrical Connections
Electrical connections General notes General notes Connections Power input The characteristics of the lines must Refer to the unit’s electrical diagram Fix the cables: if vacated may be be determined by specialized person- (the number of the diagram is shown subject to tearing. -
Page 25: Devices Inputs And Outputs
Electrical connections Devices inputs and outputs Alarm signal - ALARM The door is closed with alarmed unit. Max current (RMS): 5A The door is open with the unit func- 220-240V ~ 50Hz tioning normally. Functioning compressor signal - HL1 Connect the signal lamp as shown in the diagram. - Page 26 Electrical connections Devices inputs and outputs...
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Page 27: Configurations On The Digital Display
Electrical connections Configurations on the digital display Size = 0 ENC2  Size = 1 0--F valid to set the unit address on DIP switches 0-F indicates the master unit and 1-F indicates the slave units (modular unit ENC4  configuration) 0 factory settings Control of the unit from the display on the machine... -
Page 28: Device Addressing
Electrical connections Device addressing Remote control Addressing units in multiple con- With S5_3 ON, the unit is controlled figuration remotely. They are addressed through the en- Wired controller disabled. coder ENC4 on the back of the key- ON/OFF state: pad. controlled by the On/Off input The address corresponds to the en- input ON = unit ON... - Page 29 Electrical connections Device addressing...
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Page 30: Modbus
Modbus General notes Modbus Enabling Function codes The modbus in reading is always ena- Menu > Project menu> set password bled. > Controller select > MODBUS > ON query It is possible to read 1 register at a time. Unit address The default address is 1 and cannot reading To enable it for writing:... -
Page 31: Addresses Read And Write
Modbus Addresses read and write Reading and writing register; 100 - 109 read only, 110 reading and writing. Address function notes Double setpoint Enable/Disable 1/0 1st setpoint in cooling 5~20°C 2nd setpoint in cooling 5~20°C 1st setpoint in heating 25~54°C 2nd setpoint in heating 25~54°C temperature compensation in cooling... - Page 32 Modbus Addresses read and write Address function notes 247+(Address)*100 Outside temperature 1°C 248+(Address)*100 Compressor speed 249+(Address)*100 Compressor input 250+(Address)*100 Fan 1 Speed Current speed 251+(Address)*100 Fan 2 Speed Current speed 252+(Address)*100 Fan 3 Speed Current speed 253+(Address)*100 EXVA Current position 254+(Address)*100 EXVB Current position...
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Page 33: Query Status And Error
Modbus Query status and error Status query register Register Address Data Notes Compressor status Fan status Pump status reserved reserved reserved Defrosting Antifreeze electric heater Remote control SILENT mode Standard, silent, super silent reserved Alarm signals Unit group status 1: modular unit 0: single unit... - Page 34 Modbus Query status and error...
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Page 35: Start-Up
Start-up General notes The operations indicated should be After switching the power off, performed by qualified technicians wait at least 10 minutes before with specific training on the product. accessing to the electrical panel or The electric, hydraulic connections any other electrical component. and the other work of the system are Before accessing check with a multi- the responsibility of the installer. - Page 36 Start-up General notes Cooling circuit Electric circuit Pump manual start Visually inspect the refrigerating cir- Check the unit is connected to the To be done only during the course of cuit: earthing system. the first start-up, for flow switch/ Check the conductors are tightened differential pressure switch test.
- Page 37 Start-up General notes Check the water flow-rate of the Start-up report if the load increases, additional re- evaporator sources are activated based on the To detect the objective operational Check that the difference between the set address conditions is useful to control the unit temperature of the exchanger's input over time.
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Page 38: Preliminary Checks
Start-up Preliminary checks Unit power supply OFF Yes / No safe access suitable frame to withstand unit weight + people weight functional clearances condensation drain air flow: correct return and supply (no bypass, no stratification) considered level to be reachable by snow considered main winds Lack of chimneys/corrosive atmospheres/pollutants Structure integrity... - Page 39 Start-up Preliminary checks Unit power supply ON Yes / No Compressor carter resistances operating at least since 8 hours Off-load voltage measure Phase sequence check Pump manual start-up and flow check refrigeration circuit shut-off valves opening (if applicable) Unit ON load voltage measure If remote On-Off and remote Heat-Cool are used: set dip-switch S5-3 on ON...
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Page 40: Adjustments
Adjustments General notes UNLOCK To lockout / unlock. To modify current setpoint MENU To open the various menus from the HOME screen. To move the cursor, change the selection or change the set value.The parameter can be quickly changed ... - Page 41 Adjustments General notes  Mode : indicate respectively heating, cooling, domestic hot water  Controller off Weekly timer active  Compressor use value  Compressor in operation Fan use value Fan in operation   Pump in operation  Auxiliary electric heater in operation. ...
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Page 42: Menu Structure
Adjustments Menu structure Menu structure Press “UNLOCK” for 3 seconds to unlock the keypad. Mode Heat/Cool/Hot water user mode query Select the query address state query Operation state / running mode / current silence mode temp query Inlet-water temp. / outlet water temp. / total out-let water temp. / ambient temp. timer daily timer weekly schedule... - Page 43 Adjustments Menu structure Menüstruktur Drücken Sie 3 Sekunden lang "UNLOCK", um die Tastatur zu entsperren. Project menu * Service menu * Access alarm log/ reset / etc. *Access by pwd is reserved to qualified personnel; Parameter changes may cause malfunctions project menu* unit air-conditioning Set parallel unit...
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Page 44: General Settings
Adjustments General settings Namely: Press or to adjust the values, scroll through the lists Press or to select Press OK to go to the next menu Press BACK to go to the previous menu Unlock/lock To lockout the screen, press UNLOCK for 3 sec. Switch-on/off Press ON/OFF to switch-on/off ... - Page 45 Adjustments General settings Set MODE and TEMPERATURE Press MENU Press or to select MODE Press OK Press or to select the mode or the temperature Press or to adjust the mode and temperature. Press OK to confirm. If no operations are performed for more than 60 seconds, the system automatically saves the settings and returns to the home page.
- Page 46 Adjustments General settings USER MENU - QUERY  Only if multiple units are connected to the network To display data for the units in the network: Press MENU Press or to select QUERY Press or to select the unit’s address ...
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Page 47: Operating Parameter Selection
Adjustments Operating parameter selection USER MENU - TIMER Press MENU Press TIMER Select one of the 3 categories proposedI  “DAILY TIMER” is selected, the “WEEKLY SHEDULE” cannot be activated and vice versa. If the unit is controlled via a remote On-Off or Modbus, DAILY and WEEKLY timers are disabled. - Page 48 Adjustments Operating parameter selection TIMER menu - WEEKLY TIMER Select WEEKLY SCHEDULE Press or to select the day Set ON or OFF Press OK to confirm  Press or to select timer 1 or timer 2 Press ON/OFF when the cursor is over the word ACT Press ...
- Page 49 Adjustments Operating parameter selection USER menu - SILENT MODE SWITCH Press or to select the mode: Standard, Silent, Supersilent Press OK to save the settings USER menu - DOUBLE SETPOINT Press or to ENABLE or DISABLE. Enable the double setpoint Press ...
- Page 50 Adjustments Operating parameter selection USER menu - TEMPERATURE COMPENSATION Press or to select: COOL MODE HEAT MODE The water temperature is adjusted based on the outdoor temperature T4. COOLING The following parameters can be adjusted: T4_cool_1 (25~30ºC) ...
- Page 51 Adjustments Operating parameter selection USER MENU - AUXILIARY HEATER domestic hot water storage (wiring diagram: KA-H2) select heater control single unit units in modular configuration select address...
- Page 52 Adjustments Operating parameter selection PROJECT MENU Inverter pump Select Pump Converter Control Unità in configurazione modulare Select address Single unit...
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Page 53: Troubleshooting
Troubleshooting General notes Alarm reset: turn the unit off and When the unit fails or is in protec- Temperature sensors on again. tion, the water pump continues All temperature sensors are classed working (except for water flow alarm, as faulty when the voltage on the cor- Before resetting an alarm, identify voltage protection, phase sequence responding input is lower than 0.05 V... -
Page 54: Status Display
Troubleshooting Status display STATUSES DISPLAY Press UP on the main sheet Standby: unit address (88 to the left) + online number (88 to the right) Display On: frequency defrosting: dFdF 0.xx unit address 1.xx high pressure 2.xx number of units 3.xx T4 correction 4.xx... - Page 55 Troubleshooting Status display 26.xx electronic expansion valve opening B (/20) 27.xx electronic expansion valve opening C (/4) 28.xx high pressure L.xx low pressure 30.xx overheating 31.xx intake temperature 32.xx silent 33.xx static pressure 34.xx DC voltage A (reserved) 35.xx DC voltage B (reserved) frequency limit (0 = None;...
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Page 56: Error Codes And Troubleshooting
Troubleshooting Error codes and troubleshooting Error code Description troubleshooting EEPROM error - main board EEPROM error - inverter A module EEPROM error - inverter B module The three phases must be present at the same time and offset by 120°Restoring the power supply clears the phases sequence - control from main board error.Note: the power supply is checked only in the initial switch-on phase. - Page 57 Troubleshooting Error codes and troubleshooting Slave unit module reduction compressor drain temperature probe A compressor drain temperature probe B refrigerant temperature probe T6A refrigerant temperature probe T6B return water temperature probe autotest error Detection begins 10 minutes after start-up. The protection intervenes if the heating Pc is ≥...
- Page 58 Troubleshooting Error codes and troubleshooting evaporator low pressure in cooling If the protection intervenes 3 times in 60 minutes, turn the antifreeze protection evaporator low power off to reset it.Check that probe Two is positioned temperature in cooling correctly in the well. circuit board lock - controller lock/unlock error high room temperature probe T4 If the protection intervenes 3 times in 100 minutes, turn the...
- Page 59 Troubleshooting Error codes and troubleshooting protection L0 or L1 intervention 3 times in 60 minutes protection L0 or L1 intervention 3 times in 60 minutes circuit A bus voltage (PTC) circuit B bus voltage (PTC) Reserved radiator temperature sensor Tfin1 radiator temperature sensor Tfin2 Reserved Reserved...
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Page 60: Maintenance
Maintenance Safety warnings for R32 gas appliances Area checks Presence of the fire extinguish- Cooling equipment checks Before working on systems containing Should a replacement be necessary, flammable refrigerants, perform safety If hot interventions are not performed the new components installed must checks to reduce the risk of combus- on cooling equipment or connected be suitable for the purpose envisaged... - Page 61 Maintenance Safety warnings for R32 gas appliances Electrical device checks Repairing sealed components Reparation of intrinsically safe The reparation and maintenance of During the reparation operations of components electric components must include Do not apply permanent inductive or sealed components, disconnect all initial safety checks and component capacitive loads to the circuit without the equipment before removing...
- Page 62 Maintenance Safety warnings for R32 gas appliances Leak detection methods Removal and evacuation Charging operations The following leak detection methods When intervening on the cooling cir- In addition to conventional charging are considered acceptable for sys- cuit to perform repair work or any oth- operations, the following requirements tems containing flammable refriger- er type of work, always follow the nor-...
- Page 63 Maintenance Safety warnings for R32 gas appliances Dismantling Flexible tubes must be equipped with Do not fill the tanks excessively. (Do Before performing this procedure, it is leak-proof disconnection fittings in not exceed 80% of the liquid vol- essential that the technician has be- good condition.
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Page 64: General Notes
Maintenance General notes Maintenance must be performed by Warnings for working on equip- Frequency of interventions authorized centres or by qualified ment containing R32 Perform an inspection every 6 personnel The refrigerant R32 is classified as months. The maintenance allows to: highly flammable, class A2L ( accord- However, frequency depends on the ... -
Page 65: Cleaning
Maintenance Cleaning Air heat exchanger Rinse Accidental contact with the fins of the Rinse only with water. Do not use any heat exchanger can cause cuts: Wear chemicals to clean heat exchangers, protective gloves! as they may cause corrosion. The coil must allow maximum heat Hose off gently, preferably from the transfer, therefore the surface must inside-out and top to bottom, running... -
Page 66: Log
Maintenance intervention frequency (months) Presence of corrosions Panel fixing Fan fixing coil cleaning Water filter cleaning water: quality, pH, glycol concentration check exchanger efficiency circulation pump Check of the fixing and the insulation of the power lead 10 earth cable check 11 Electric panel cleaning 12 power remote controls status 13 clamp closure, cable isolation integrity... -
Page 67: Shut Down
Maintenance Shut down Standby mode Before start-up, wash the system. circulation pumps If foreseen a long period of inactivity: It is recommended to have a qualified Check: technician start the system after a turn off the power no leaks period of inactivity, especially after ... -
Page 68: Replacement Safety Valve Refrigerant Circuit
Maintenance Replacement safety valve refrigerant circuit Safety valve The pressure relief valve must be replaced : if it has intervened if there is oxidation based on the date of manufacture, in compliance with local regulations. Valve replacing The 3-piece joint allows the valve replacement. -
Page 69: Decommissioning
Maintenance Decommissioning Disconnection WEEE INFORMATION This equipment may contain: Before performing any operation, read The manufacturer is registered on the refrigerant gas, the entire contents the warnings found in the Mainte- EEE National Register, in compliance of which must be recovered in suita- nance chapter. - Page 72 Service: UK Importer ELCO HEATING SOLUTION LIMITED 3 Juniper West, Fenton Way Basildon, SS15 6SJ ELCO GmbH Hohenzollernstraße 31 D - 72379 Hechingen www.elco.net...
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