ANL-ANLH 020-200

Descrip on and choce of unit

Confi gurator

Storge tank std std std std std std std std std std std. std std std std std std std. std std std std std std std. No no no no no no no. std std std std std std std. std std std std std std std. std std std std std std std. std std std std std std std. std std std std std std std. std std std std std std std. TAP THE LIQUID AND DRAIN Allows interruption of the coolant in case of extraordinary maintenance. It is necessary to reduce the number of compressor surges and to even out the temperature of the water to be sent to the utilities.

To handle the machine (ANL 020-090) on horizontal surfaces, forklift trucks or similar must be used in the most appropriate manner, paying attention to the distribution of the unit weight. In the case of lifting (ANL 100-200), insert pipes into the holes provided on the base (NOT SUPPLIED). The length of the pipes must be such as to allow the positioning of the lifting belts and relative safety pins. Consider installing the condensate drain pan in the versions where it is envisaged (as ACCESSORY).

Use a tester to check that the value of the power supply voltage to the RST phases is equal to 400V. If the temperature detected by the probe located in the outlet of the heat exchanger and in the inlet to the cooler is less than +3.8°C. Some parameters in the moducontrol card must be set correctly based on the type of system in which the device is installed.

Components and confi gura ons

Principle of opera on diagrams cooling

Prodac on cold water to the system

Prodac on col water to the system and hot water to desuperheater 8

Prodac on hot water to the system | DHW

Cooling circuit

Made with copper pipes and aluminum fins that are blocked by mechanical expansion of the pipes. The mechanical valve, with external equalizer placed at the evaporator inlet, modulates the flow of gas to the evaporator, according to the heat load, to ensure a correct heating level of the inlet gas.

Frame and fans

Hermetic-mechanical with cartridges of ceramic and hygroscopic material, able to retain dirt and any trace of moisture present in the cooling circuit. It is used to check the charge of refrigerant gas and the possible presence of moisture in the refrigerant circuit.

Hydraulic circuit standard

Temperature control of the outlet water with proportional-integral algorithm: maintains the average outlet temperature at the set value - Self-adapting differential switch: guarantees minimal operation. Pre-alarms with automatic reset: in case of alarm, a certain number of restarts are allowed before the final block alarm on ∆T: to identify wiring faults (reverse rotation) or.

Water features

Intelligent defrost for depressurization: makes it possible to determine when the coil is effectively defrosted, avoiding useless defrosting - Set point compensation with external temperature (with external air probe accessory): reduces energy consumption. Condensation control based on pressure instead of temperature for absolute stability (with DCPX speed controller accessory ) Inverse condensation control for the heat pump operation mode.

Control and safety components

Electric board, control and power

The use of the desuperheater is possible in the cooling function; for the heat function should be tapped. The diagram can be used to derive the correction coefficients as a function of the outside temperature and the temperature of the produced water in the heater. The validity of the guarantee will be invalid in case of non-compliance with the above indications.

For the functional connection of the unit, take the power cable to the electrical control board inside the unit and connect it to terminals L1-L2-L3 and PE, respecting the polarities. Closing the shut-off valve at the outlet of the heat exchanger; the control panel of the unit should show the block. If the subcooling and superheating values are regular, the measured temperature in the discharge pipe at the outlet of the compressor must be 30/40°C above the condensing temperature.

The circuit board provides an output for managing the circuit in the pumps. Open the exhaust valve outside the machine and all system vent valves and related terminals. Check the tightness of the screws of the compressors and the electrical box, as well as the external coating of the unit.

Descrip on of components

Accessories

Technical data

To prevent the heat exchanger from breaking down due to freezing of the water contained in it, take into account the compressor blocking (if the machine is on below 3.5 °C) and the ignition of the resistance (if stand-by below 5 °C). In case of prolonged shutdown of the unit during winter (if no glycol has been added) or for other inconveniences, drain the chiller's hydraulic circuit using the corresponding buttons.

Opera on limit

Cooling mode

The maximum and minimum limits for water flow rate to the heat exchanger are indicated by the pressure drop diagram curves.

Cooling mode for version "C"

Pk Corrective factors for cooling capacity Pe Corrective factors of the input power Ph Corrective factors of heating capacity. For example: if level difference (H) is equal to 20m, the calibration value of the vessel will be 2.3 bar. Before handling the unit, verify the lifting capacity of the machines used, taking into account the indications on the packaging.

It is mandatory to use an omnipolar magnetic disconnect switch in accordance with IEC-EN standards (contact opening at least 3 mm), with the appropriate breaking capacity and differential protection installed based on the electrical data table below. as close to the device as possible. All electrical operations must be performed by LEGALLY QUALIFIED PERSONNEL who are properly trained and informed of the risks associated with these procedures. Use the holes for the main electrical supply cable and for the cables of other external connections for which the installer is responsible.

Verify that the compressor sump resistor is working by measuring the oil pan temperature rise. Make sure the circulation pump is running and the water flow rate is sufficient to close the flow/pressure switch contact. This parameter indicates the standby time for reversing the three-way diverter valve in the hot water production system.

Hea ng mode

Performance and absorp on that diﬀ er from the nominal -

Pressure drops and useful sta c pressures

Evaporator | piping

Filtre

The instructions together with all the related documents must be given to the user of the system, who accepts the responsibility to keep the instructions so that they are always at hand if needed. The characteristics of the electrical lines and of the related components must be determined by PERSONNEL QUALIFIED TO DESIGN ELECTRICAL SYSTEMS, in accordance with the international and national regulations of the place of installation of the unit and in accordance with the regulations in force is at the moment of installation. The control of its correct functioning can be carried out by closing the air inlet to the exchanger (in cooling mode) and keeping the high pressure manometer under control, checking the intervention in accordance with the calibration value.

The intervention of this alarm determines the compressor block and not the pump block, which remains active together with the ignition of the resistor if installed.

Useful sta c pressures

How to interpret glycol curves

Ethylene glycol solu ons

Expansion vessel calibra on

Desuperheater

Correc on factors

Pressure drops

Refrigerant lines

Sound data

All personnel involved must have a thorough knowledge of the operation and the hazards that may arise at the time the installation operations are performed. CHECK AND START-UP Please note that at the request of the Aermec customer or the legitimate owner of the machine, the units of this series can be started up by the AERMEC after-sales service in your area (only valid in Italian territory). The resistor(s) must work for at least 12 hours before starting the compressor and in all cases the temperature of the oil pan must be 10 -15°C higher than the room temperature.

Check the water flow rate by measuring the pressure difference between the inlet and outlet of the evaporator and calculate the flow rate using the evaporator pressure drop diagram found in the technical documentation. The frost protection, controlled by the electronic regulation and by the temperature probe located at the outlet of the evaporator, must prevent ice formation when the water flow is too low.

Parameter calibra on of safety and control

General warnings for the installer

Preserva on of the documenta on

Warnings regarding safety and installa on standards

Selec on and place of installa on

Dimensions

ANL 020 ÷ 025 VERSION °|P|H|HP

ANL 100 ÷ 200 VERSIONE °|P|A|N|Q / H|HP|HA|HN|HQ

ANL 020 ÷ 025 VERSION °A|HA

ANL 030 ÷ 040 VERSION °A|HA

ANL 050 ÷ 090 VERSION °A|°Q |HA |HQ

ANL 020 ÷ 025 VERSION C

ANL 050 ÷ 090 version D|DA / HD|HDA

ANL 100 ÷ 200 version D|DA / HD|HDA

Hydraulic circuits of principle

Hydraulic circuit for internal and external ANL “°” | "H" (standard) 53

Before connecting the unit to the mains, make sure that the disconnect switch is open 2. Identify the terminals for the wiring diagram, always refer to the electrical diagram that comes with the unit.

Electric connec ons

Electrical data

That the input current of the compressor is lower than the maximum indicated in the table of technical data. Before carrying out the checks indicated below, make sure that the appliance is disconnected from the power supply. When power is restored to the unit after a temporary interruption, the set mode is retained in memory.

Electrical connec on of power to the power supply

Strat-up

Preliminary opera ons to be made without tension

The following opera ons are performed when the unit is powered. 59

Func oning features

Set point in cooling mode

Set point in riscaldamento

Compressor start-up delay

In case of partial loss, the circuit must be completely drained before reloading. It is forbidden to use oxygen or acetylene or other flammable or toxic gases in the refrigerant circuit, as these are a cause of explosions or intoxication. Ensure that the disposal unit is implemented in accordance with the rules in force in the different countries.

These modifications, carried out by the installer, are summarized and organized in the following guided procedures, with which the parameters of the device's printed circuit board can be correctly set. The display reads the USER parameter index and a three-character string identifying it, the string is displayed for one second, then replaced by the value of the parameter.

Circula on pump

An -freeze alarm

Water fl ow rate alarm

Maintenance

Hydraulic circuit

Emptying the system

Electrical circuit

Cooling circuit

Mechanical

Extraordinary maintenance

Disposal

List of controls for the guided procedure

How to modify a parameter in the user menu

How to modify a parameter in the installer menu