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AERMEC NRK 0700 - User Manual

AERMEC NRK 0700
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EN
Technical Manual
5167556_03 17.10
Aermec
partecipa al Programma
EUROVENT: LCP
I prodotti interessati figurano sul sito
www.eurovent-certification.com
• REVERSIBLE HEAT PUMPS HIGH EFFICENCY
• OUTDOOR UNIT
• HIGH EFFICIENCY
• PRODUCTION OF HOT WATER UP TO 65°C
NRK 0200-0700

Table of Contents

Other manuals for AERMEC NRK 0700

Preview: Installation Manual
Installation Manual36 pages

Questions and Answers

  • P
    Paula MontesAug 15, 2025
    Why AERMEC Air Conditioner unit does not start?
    • J
      James SchneiderAug 15, 2025
      The AERMEC Air Conditioner unit might fail to start due to several reasons: * Lack of electrical voltage, requiring a voltage check and inspection of upstream safety systems. * The master, remote, control panel, or main switch being OFF, needing to be set to ON. * An uninstalled or unwired flow switch, which needs proper installation, avoiding bridging the contacts to prevent damage in case of insufficient water. * Low power supply voltage, necessitating a check of the power supply line. * A broken compressor remote control switch coil, faulty electronic circuit board, faulty peak condenser, or faulty compressor, each requiring component replacement.
  • Y
    ypowersAug 18, 2025
    What to do if AERMEC Air Conditioner compressor stops due to the intervention of the protections?
    • J
      Joshua BrownAug 18, 2025
      If the AERMEC Air Conditioner compressor stops due to the activation of its safety mechanisms, it could be due to: * Excessive flow pressure. * Low intake pressure. * Low power supply voltage. * Poorly tightened electrical connections. * Operation outside operating limits. In these cases, check the operating limits using the graphics. It may also be due to a malfunctioning pressure switch (replace the component), intervention of circuit breaker protection (check the power supply voltage and calibrations, and the electrical isolation of the windings), or flow switch intervention (check water flow rate).
  • D
    Daniel LivingstonAug 21, 2025
    Why AERMEC Air Conditioner compressor has high discharge pressure?
    • C
      Chelsea AndersonAug 21, 2025
      High discharge pressure in the AERMEC Air Conditioner's compressor can be caused by: * High external air temperature. * High utility inlet water temperature. In such cases, check the operating limits using the graphics. * Insufficient air or water flow. Control the operation of the fans, the cleanliness of the coil, the operation of the pump (speed), and the cleanliness of the filter. * Anomalous fan operation (check or replace if broken). * Air in the hydraulic system (vent the circuit). * Too much refrigerant gas charged (restore the correct charge).
  • N
    Nichole ChapmanAug 25, 2025
    Why AERMEC Air Conditioner has poor yield?
    • M
      Morgan PenningtonAug 26, 2025
      Poor yield in the AERMEC Air Conditioner can stem from several causes: * Lack of refrigerant. * Dirty coils. * Clogged water filter. * Improper appliance dimensioning. * Operating outside the specified limits. To address this, check for refrigerant leaks and replenish the refrigerant, clean the coils and the filter, check the appliance's performance, and verify that the operating limits are within the ranges specified in the graphics.
  • M
    Melanie HoffmanAug 28, 2025
    What causes noises and vibrations in AERMEC Air Conditioner?
    • C
      Cassandra ChungAug 28, 2025
      Noises and vibrations in your AERMEC Air Conditioner can arise from: * Contact between metallic bodies (check). * Weak support (strengthen). * Loose screws (tighten the screws).
  • M
    Michelle ButlerAug 31, 2025
    Why AERMEC Air Conditioner compressor has low discharge pressure?
    • J
      Joe ToddAug 31, 2025
      Low discharge pressure in the AERMEC Air Conditioner's compressor can occur due to: * Low outside air temperature. * Low water inlet temperature. Check the operating limits using the graphics. * Moisture in the refrigerant circuit (empty and restore the gas charge). * Air in the hydraulic system (bleed the circuit). * Insufficient gas load (restore the correct load).
  • T
    Thomas House IIISep 4, 2025
    Why AERMEC Air Conditioner compressor is noisy?
    • J
      Jennifer BaileySep 4, 2025
      A noisy compressor in the AERMEC Air Conditioner can be attributed to: * Liquid return to the compressor (check). * Inadequate fixing (check). * Inverted phase (invert a phase).
  • K
    Kimberly JonesSep 7, 2025
    Why AERMEC Air Conditioner has high intake pressure?
    • S
      Sean GriffinSep 7, 2025
      High intake pressure in your AERMEC Air Conditioner can be caused by: * High external air temperature. * High utility inlet water temperature. * Thermostatic expansion valve being too open or damaged. Check the operating limits using the graphics and adjust or replace the valve if damaged.
  • A
    Amanda SmithSep 10, 2025
    Why AERMEC Air Conditioner has low intake pressure?
    • D
      Daniel BoydSep 12, 2025
      Low intake pressure in the AERMEC Air Conditioner may result from: * Utilities low inlet water temperature. * Low outside air temperature. * Thermostatic expansion valve damaged or blocked. Check the operating limits using the graphics and adjust or replace if damaged. * Insufficient water flow. * Insufficient air flow. Control operation of the fans, cleanliness of the coil, pump operation (speed), and filter cleanliness.

Summary

Description of the Unit

Unit Models

Details the different model configurations available for the unit.

Unit Versions

Explains the specific product versions and their key features.

Unit Configurator

Check List

Operational Principle Diagrams

Description of Components

Refrigerant Circuit

Details the components within the unit's refrigerant system.

Structure and Fans

Describes the unit's external structure and fan specifications.

Standard Hydraulic Circuit

Explains the standard components of the unit's hydraulic system.

Safety and Control Components

Lists and describes the safety and control elements of the unit.

Electric Control and Power Board

Details the electric control board, its components, and the unit's electrical setup.

Accessories

Factory Fitted Accessories

Lists optional accessories that are factory-installed on the unit.

Technical Data

Cooling System Side Data

Presents performance and data for the unit in cooling mode.

Heating System Side Data

Presents performance and data for the unit in heating mode.

Average Climatic Performance

Provides performance data under typical average environmental conditions.

Partial Heat Recovery Cooling Data

Data for cooling with partial heat recovery (desuperheater) function.

Electrical Data

Details electrical specifications, power supply, and current ratings.

Operational Limits

Cooling Mode Limits

Defines the operational limits for the unit when operating in cooling mode.

Heating Mode Limits

Defines the operational limits for the unit when operating in heating mode.

Outputs and Inputs Different Than Rated Values

HA Version Performance Data

Performance data tables for the HA version across different operating conditions.

HE Version Performance Data

Performance data tables for the HE version across different operating conditions.

Total Pressure Drops

System Side Cold Water Production (HA Version)

Pressure drop data for cold water production in HA version.

System Side Cold Water Production (HE Version)

Pressure drop data for cold water production in HE version.

Hot Water Production System Inside (HA;HE Version)

Pressure drop data for hot water production in HA/HE versions.

Useful Static Pressures

NRK [E] P1-P2 Static Pressure Curves

Static pressure curves for NRK [E] units with P1-P2 fan configuration.

NRK [A] P1-P2 Static Pressure Curves

Static pressure curves for NRK [A] units with P1-P2 fan configuration.

NRK [E] P3-P4 Static Pressure Curves

Static pressure curves for NRK [E] units with P3-P4 fan configuration.

NRK [A] P3-P4 Static Pressure Curves

Static pressure curves for NRK [A] units with P3-P4 fan configuration.

Expansion Vessel Calibration

Minimum Water Content

Glycol Correction Factors

Cooling Mode Glycol Corrections

Correction factors for cooling mode with ethylene or propylene glycol.

Heating Mode Glycol Corrections

Correction factors for heating mode with ethylene or propylene glycol.

Sound Data

Cooling Mode Sound Performance

Sound data for the unit operating in cooling mode.

Heating Mode Sound Performance

Sound data for the unit operating in heating mode.

Calibrations of Safety and Control Parameters

Cooling Set Calibration

Calibration parameters for the cooling mode water inlet temperature.

Heating Set Calibration

Calibration parameters for the heating mode water inlet temperature.

Anti-Freeze Alarm Intervention Calibration

Intervention temperature settings for the anti-freeze alarm.

Total Differential Calibration

Temperature band for compressor activation/deactivation.

AERMEC NRK 0700 Specifications

General IconGeneral
BrandAERMEC
ModelNRK 0700
CategoryHeat Pump
LanguageEnglish

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