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AERMEC NRGI - User Manual

AERMEC NRGI
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21.05 – 5723410_01
Translation of Original instructions
www.aermec.com
User manual
NRGI
CARD PCO5

Table of Contents

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Summary

User interface (PGD1)

Start-up procedure

Initial operations after powering the unit.

Function of the PGD1 control panel keys

Explains the function of each key on the control panel.

Menu structure

Overview of how functions and information are organised into menus.

Main menu

General monitor

Displays the unit's general status and parameters.

System monitor

Displays the system's general status and parameters.

Circuit monitors

Displays the cooling circuit's general status.

Free cooling monitor

Displays the status of the free cooling circuit.

Total recovery monitor

Displays the status of the total recovery system.

Input;output menu

Fan monitor

Summarizes fan states and setpoints.

Defrosting monitor

Shows the state of the defrosting process.

Analogue input monitor (U1) - (U2)

Displays inlet/outlet water temperatures.

Digital input monitor (ID1) - (ID2) - (ID3)

Shows states of flow switch, high pressure, fan overload.

Digital input monitor (ID10) - (ID11) - (ID12)

Shows states of secondary setpoint, flow switch, pump.

Digital input monitor (NO4) - (NO5) - (NO6)

Shows states of heater/boiler, resistance, crankcase heater.

Analogue output monitor (Y1) ~ (Y5)

Displays values for modulating fan group and valve.

ON;OFF menu

General On;Off

View and control the general state of the system.

System menu

Selecting the system operating mode

Select the unit's operating mode (Cooling, Heating, etc.).

Setting the time bands (a) and (b)

Define time bands for system operation.

Setting the season change from the calendar (heating)

Set start and end dates for heating mode.

Setting the season change from the calendar (cooling)

Set start and end dates for cooling mode.

Recovery menu

Enabling recovery

Enable or disable the total recovery function.

Set the recovery set value

Set the desired recovery work setpoint.

Clock menu

Setting system date and time

Set the system's date and time.

Setting the automatic summer;winter time change

Configure automatic DST changes.

Installer menu

Password to access the installer menu (0000)

Enter the password to access the installer menu.

Setting thermostat regulation

Select parameters for operating thermostat management.

Total recovery configuration

Set recovery management temperatures and pump logic.

Anti-freeze alarm configuration

Configure system anti-freeze alarm settings.

Multi-function input configuration (U10)

Set function associated with multifunction input U10.

Configuration of the supplementary electric heaters

Set supplementary heater operation for low temperatures.

Compressor hour counter monitor

Displays operating hours of compressors.

Glycol water management

Enable or disable the use of glycol water.

VPF management (general parameters)

Set general parameters for Variable Primary Flow.

Unit information monitor

Displays unit code, software version, and test date.

Configures the installer menu password

Change the "Installer" menu access password.

LIST OF ALARMS

Phase monitor alarm

Alarm related to phase monitoring.

Evaporator 1 input faulty probe alarm

Alarm for faulty evaporator input probe.

Coil 1 temperature faulty probe alarm

Alarm for faulty coil 1 temperature probe.

Summary

User interface (PGD1)

Start-up procedure

Initial operations after powering the unit.

Function of the PGD1 control panel keys

Explains the function of each key on the control panel.

Menu structure

Overview of how functions and information are organised into menus.

Main menu

General monitor

Displays the unit's general status and parameters.

System monitor

Displays the system's general status and parameters.

Circuit monitors

Displays the cooling circuit's general status.

Free cooling monitor

Displays the status of the free cooling circuit.

Total recovery monitor

Displays the status of the total recovery system.

Input;output menu

Fan monitor

Summarizes fan states and setpoints.

Defrosting monitor

Shows the state of the defrosting process.

Analogue input monitor (U1) - (U2)

Displays inlet/outlet water temperatures.

Digital input monitor (ID1) - (ID2) - (ID3)

Shows states of flow switch, high pressure, fan overload.

Digital input monitor (ID10) - (ID11) - (ID12)

Shows states of secondary setpoint, flow switch, pump.

Digital input monitor (NO4) - (NO5) - (NO6)

Shows states of heater/boiler, resistance, crankcase heater.

Analogue output monitor (Y1) ~ (Y5)

Displays values for modulating fan group and valve.

ON;OFF menu

General On;Off

View and control the general state of the system.

System menu

Selecting the system operating mode

Select the unit's operating mode (Cooling, Heating, etc.).

Setting the time bands (a) and (b)

Define time bands for system operation.

Setting the season change from the calendar (heating)

Set start and end dates for heating mode.

Setting the season change from the calendar (cooling)

Set start and end dates for cooling mode.

Recovery menu

Enabling recovery

Enable or disable the total recovery function.

Set the recovery set value

Set the desired recovery work setpoint.

Clock menu

Setting system date and time

Set the system's date and time.

Setting the automatic summer;winter time change

Configure automatic DST changes.

Installer menu

Password to access the installer menu (0000)

Enter the password to access the installer menu.

Setting thermostat regulation

Select parameters for operating thermostat management.

Total recovery configuration

Set recovery management temperatures and pump logic.

Anti-freeze alarm configuration

Configure system anti-freeze alarm settings.

Multi-function input configuration (U10)

Set function associated with multifunction input U10.

Configuration of the supplementary electric heaters

Set supplementary heater operation for low temperatures.

Compressor hour counter monitor

Displays operating hours of compressors.

Glycol water management

Enable or disable the use of glycol water.

VPF management (general parameters)

Set general parameters for Variable Primary Flow.

Unit information monitor

Displays unit code, software version, and test date.

Configures the installer menu password

Change the "Installer" menu access password.

LIST OF ALARMS

Phase monitor alarm

Alarm related to phase monitoring.

Evaporator 1 input faulty probe alarm

Alarm for faulty evaporator input probe.

Coil 1 temperature faulty probe alarm

Alarm for faulty coil 1 temperature probe.

AERMEC NRGI Specifications

General IconGeneral
BrandAERMEC
ModelNRGI
CategoryHeat Pump
LanguageEnglish

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