LG PAHCNM000 Owners & Installation Manual
  1. Manuals
  2. Brands
  3. LG Manuals
  4. Air Conditioner
  5. PAHCNM000
  6. Owners & installation manual
LG PAHCNM000 Owners & Installation Manual

LG PAHCNM000 Owners & Installation Manual

Ahu control kit
Hide thumbs
Table of Contents

Advertisement

Quick Links

OWNER'S &
INSTALLATION MANUAL
AIR
CONDITIONER
Please read this installation manual completely before installing the product.
Installation work must be performed in accordance with the national wiring standards by
authorized personnel only.
Please retain this installation manual for future reference after reading it thoroughly.
Applied(AHU)
AHU CONTROL KIT
Original instruction
[Representative] LG Electronics Inc. EU Representative : LG Electronics
European Shared Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands
[Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro,
Seongsan-gu, Changwon-si, Gyeongsangnam-do, KOREA
www.lg.com
MFL71386003
Rev.01_031120
Copyright © 2019 - 2020 LG Electronics Inc. All Rights Reserved.

Advertisement

Table of Contents
loading

Related Manuals for LG PAHCNM000

Summary of Contents for LG PAHCNM000

  • Page 1 [Representative] LG Electronics Inc. EU Representative : LG Electronics European Shared Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands [Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro, Seongsan-gu, Changwon-si, Gyeongsangnam-do, KOREA www.lg.com MFL71386003 Rev.01_031120 Copyright © 2019 - 2020 LG Electronics Inc. All Rights Reserved.
  • Page 2 SAFETY INSTRUCTIONS SAFETY INSTRUCTIONS The following safety guidelines are intended to prevent unforeseen risks or damage from unsafe or incorrect operation of the appliance. The guidelines are separated into ‘WARNING’ and ‘CAUTION’ as described below. This symbol is displayed to indicate matters and operations that can cause risk.
  • Page 3 SAFETY INSTRUCTIONS • Securely attach the electrical part cover to AHU Communication Kit. - If the electric part cover of AHU Communication Kit is not attached securely, it could result in a fire or electric shock due to dust, water, etc. •...
  • Page 4 - Bad smells can occur and it results in a corrosion of a heat exchanger or pipe. Operation • If anyone other than a licensed Professional installs, repairs, or alters LG Electronics Air Conditioning Products, the warranty is voided. - All costs associated with repair are then the full responsibility of the owner.

  • Page 5: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS SAFETY INSTRUCTIONS INSTALLATION LAYOUT Installation composition diagram Caution on installation layout PRODUCT DIMENSION Product Measurements PARTS LAYOUT WIRING DIAGRAM AHU CONTROL KIT INSTALLATION Determining the product's mounting location Things to keep in mind when installing outdoors Sensor Cover Installation (outdoors) AHU CONTROL KIT SETTINGS Check Module Configuration...

  • Page 6: Installation Layout

    Thermistor signal Temperature / humidity sensor Item Applied Standards ① ② AHU CONTROL KIT PAHCNM000 ③ Expansion kit ④ Outdoor unit MULTI V ⑤ Pipe in Thermistor(Liquid) Sensor : Ø 5(NTC 5 kΩ), Length : 5 m, Cable color : Black ⑥...

  • Page 7: Product Dimension

    Depth A (mm) Distance between wall mounting brackets B (mm) 22.5Ø Hole(10 EA) Power cable, Sensor/Communication line insert part Use the appropriate flexible tubing and connectors for the corresponding holes. Model PAHCNM000 Size Product Color RAL 7035 Enclosure Material Steel...

  • Page 8: Parts Layout

    PARTS LAYOUT PARTS LAYOUT • PAHCNM000 Main module Spec Qty. No. Main module Spec Qty. NFB(No Fuse ① ⑦ Main module DC 12 V 15 A 1.5 kA Breaker) ② ⑧ 220 V → DC 12 V UI module DC 12 V Adaptor ③...

  • Page 9: Wiring Diagram

    WIRING DIAGRAM WIRING DIAGRAM • PAHCNM000 CAUTION • In order to use the main module's shutdown, heating/cooling, and fire detection functions, the main module's +12V terminal should be connected to the DCOM terminal. Failure to do so could result in the malfunctioning of the product.

  • Page 10: Ahu Control Kit Installation

    AHU CONTROL KIT INSTALLATION AHU CONTROL KIT INSTALLATION Determining the product's mounting location - The control kit's mounting location should be determined based on the conditions on site. When mounting the control kit, use Ø 6 direct screws (8 EA). <Back Side of Control Kit>...

  • Page 11: Things To Keep In Mind When Installing Outdoors

    AHU CONTROL KIT INSTALLATION Things to keep in mind when installing outdoors - Enclosures should be purchased separately if needed. - After mounting the product, check the tightness of the connection between the AHU and the enclosure. If the connection is not airtight, moisture or dust could contaminate the product. - When installing the AHU outdoors, be sure to use an enclosure to protect the control kit.

  • Page 12: Sensor Cover Installation (Outdoors)

    AHU CONTROL KIT INSTALLATION Sensor Cover Installation (outdoors) When installing the AHU outdoors, make sure to install the protection box as shown below. Ex: Installation of a temperature and temperature/humidity sensor covers. Ex: Installation of a damper actuator cover. CAUTION •...

  • Page 13: Ahu Control Kit Settings

    AHU CONTROL KIT SETTINGS AHU CONTROL KIT SETTINGS Check Module Configuration - After installing the Control Kit, the first thing Main Module you should do is check the module settings inside the Control Kit. The DIP switches for the main module, UI module, and UO module are configured in the following order.
  • Page 14 AHU CONTROL KIT SETTINGS EEV Module (EEV Module) Capacity Settings Use DIP switch SW1 to set the capacity. Capacity [kW (kBtu/h)] 2.1 (7) 2.5 (9) 3.5 (12) 5.6 (18) 7.1 (24) 8.2 (28) 10.6 (36) 12.3 (42) 14.1 (48) 22.4 (76) 28.0 (96) 33.6 (115) 39.2 (134)

  • Page 15: Pipe Thermistor Connection

    PIPE THERMISTOR CONNECTION PIPE THERMISTOR CONNECTION - Check the IN/OUT of the pipe thermistor connected to the AHU Pipe Temperature Sensor IN : Ø 5, Length: 5m, Color: Black Pipe Temperature Sensor OUT : Ø 7, Length: 5m, Color: Red Flexible Tube and Connector: Ø...

  • Page 16: Outdoor Unit Communication Line Connection

    OUTDOOR UNIT COMMUNICATION LINE CONNECTION OUTDOOR UNIT COMMUNICATION LINE CONNECTION Cautions on connecting the EEV module (communication module) with outdoor unit - The Control Kit comes mounted with three EEV modules, and each EEV module can be connected to one Expansion Kit. If additional EEV modules are required depending on the number of outdoor units, they must be purchased separately and installed.

  • Page 17: Installation And Wiring Method (Optional)

    INSTALLATION AND WIRING METHOD (OPTIONAL) INSTALLATION AND WIRING METHOD (OPTIONAL) Installation method when adding EEV module Ex : Installation method when additional EEV module required. 1. Pull the supporter of the EEV module to 2. Using holes inside of AHU CONTROL KIT, both sides.

  • Page 18: Ahu Sensor Specification

    AHU SENSOR SPECIFICATION AHU SENSOR SPECIFICATION Sensor/Actuator Spec. Standard specifications of the sensor used in the control kit are as follows. Item Specification - Power: AC 24 V - Input/output signal: DC 0~10 V Damper Actuator - Torque: 15 N·m - Operation time: 150 s.
  • Page 19 AHU SENSOR SPECIFICATION Sensor installation location Thermistor Thermistor (Optional) (Optional) Temperature/humidity Temperature/humidity Temperature/ sensor(Required) sensor(Optional) humidity sensor sensor(Required) (Optional) Damper actuator(Optional) Smoke Detector Static Pressure Sensor (Optional) (Optional) Filter Differential Sensor (Optional) Thermistor Humidification valve (Optional) (Optional) CAUTION • The AHU may not start or function properly if the sensor is not installed in the location specified in the picture above.

  • Page 20: Ahu Sensor Connection

    AHU SENSOR CONNECTION AHU SENSOR CONNECTION Sensor connection - Temperature/humidity sensor (required) Item Specification Remark - Power: AC 24 V Temperature/humidity - Output signal: DC 0~10 V Optional sensor - Temperature range: -40 °C~70 °C - Humidity range: 0~95 % RH Ex: SA (Supply) Temperature/Humidity Sensor Connection DC 0~10 V(Temperature,U1) DC 0~10 V(Humidity,U2)
  • Page 21 AHU SENSOR CONNECTION - Thermistor Item Specification Remark - Power: AC 24 V Thermistor - Output signal: DC 0~10 V Optional - Temperature range: -50 °C~50 °C Ex: SA (Supply) Thermistor Connection DC 0~10 V(Temperature,U1) <Main module> AC 24 V(G) Ground (G0) AC 24 V(G) Ground (G0)
  • Page 22 AHU SENSOR CONNECTION - Damper Actuator Item Specification Remark - Power: AC 24 V - Input/Output Signal: DC 0~10 V Damper Actuator - Torque: 15 Nm Optional - Operation Time: 150 s. - Rotation Angle: 90˚ Ex: OA (outdoor unit) Damper Connection DC 0~10 V(U, Output) <Main module>...
  • Page 23 AHU SENSOR CONNECTION - Filter Differential Sensor Item Specification Remark - Power: AC 24 V Filter Differential - Output signal: DC 0~10 V Optional Sensor - Range: 0~1 000 Pa Ex: Filter Differential Sensor (voltage type) Connection AC 24 V(G) Ground (G0) AC 24 V(G) Ground (G0)
  • Page 24 AHU SENSOR CONNECTION - CO sensor Item Specification Remark - Power: AC 24 V sensor - Output Signal: DC 0~10 V Optional - Range: 0~2 000 ppm Ex: CO Sensor Connection AC 24 V(G) Ground (G0) AC 24 V(G) Ground (G0) <Terminal block>...

  • Page 25: Electrical Wiring (If Using A Belt Driven Fan)

    AHU SENSOR CONNECTION Electrical Wiring (if using a belt driven fan) • If the supply air/return air fan is driven by a constant speed motor, the motor can be powered using the main switchboard's magnetic contactor. • Always install an earth leakage breaker when connecting a constant speed motor. •...

  • Page 26: Connect The Electric Wires

    AHU SENSOR CONNECTION Connect the electric wires - Humidifier Solenoid Valve Connection Return Exhaust Outdoor Supply Solenoid valve Magnetic Contactor On-site wiring Humidifier Solenoid Valve Connection MC or Relay Main module <AHU control kit>...

  • Page 27: Things To Keep In Mind When Installing The Control Kit On Site

    - Once the electrical wiring has been completed, be sure that the perforated areas have been sealed to be airtight. - LG Electronics is not responsible for any problems caused by arbitrary drilling. Top perforation Side perforation...

  • Page 28: Hmi Settings

    HMI SETTINGS HMI SETTINGS HMI Settings 1. Home Menu • You can perform air conditioner control information and configuration tasks from the home menu. Item Description Air conditioner information Air conditioner information view function Air conditioner control Air conditioner operation control function Outdoor unit information Check outdoor unit information Schedule...

  • Page 29: Hmi Settings

    HMI SETTINGS 3-1. Target temperature • Run the ‘set temperature’ icon to display the current temperature and set the target temperature. (Set temperature display window) (Set temperature manual input window) 3-2. On/Off • Run the 'On' or 'Off' icon to perform an On/Off command. 3-3.
  • Page 30 HMI SETTINGS 3-4. Airflow • Run the 'Airflow' icon to set the airflow and airflow control criteria. 3-4-1. Airflow Criteria • Set the fan's operation criteria to 'airflow' to set the operating RPM for high, medium and low airflow in Hz. •...
  • Page 31 HMI SETTINGS 3-5. Damper • Run the ‘Damper’ icon to set the damper's opening value. • Use the ‘Mode’ and ‘Input‘ icons to set the damper opening value by operation mode. - Mode: You can enter damper values for Cooling, Heating, and Vent modes. - Automatic: Entering the value for either the outdoor air, exhaust, or mixed damper automatically sets the remaining damper values.
  • Page 32 HMI SETTINGS 3-8. Additional Operation • Run the ‘Additional Operation’ icon to set additional functions that can be used. 4. Outdoor unit information • Run the 'Outdoor Unit Information' icon on the home menu to check the information for the outdoor units connected to the system.
  • Page 33 HMI SETTINGS 5-1-1. Air Conditioner Settings • Run the 'Air Conditioner Settings' icon to set the air conditioner and operation. Item Description Set air conditioner type: air conditioner, Air conditioner type dedicated outdoor air system Set target temperature criteria: return air, Temperature determination supply air - Return air criteria: cooling 18-30 °C , heating...
  • Page 34 HMI SETTINGS Item Description You can set the number of outdoor units connected to Number of outdoor the air conditioner. Up to 3 outdoor units can be units (ODU) connected. Set the cooling heat source. - Refrigerant (air-cooled): air-cooled outdoor unit Cooling heat source - Cold water (water-cooled): water-cooled outdoor unit - Cold water: install cold water valve...
  • Page 35 HMI SETTINGS 5-1-2. Device Setting • Run the 'Device Setting' icon on the Installer Setting screen to enable device settings required for air conditioner operation. Item Description Sets the sensors to be installed to the return air duct. - Sensor type: Thermistor, temperature/humidity sensor Return air (RA) - A temperature or temperature/humidity sensor must be temperature/...
  • Page 36 HMI SETTINGS 5-1-3. Sensor Range Setting • Run the 'Sensor Range Setting' icon on the Installer Setting screen to set the operating range of the installed sensor. Item Description Return air temperature Sets the sensor range based on the operating range of the installed Supply air temperature thermistor.
  • Page 37 HMI SETTINGS Item Description Sets the operating Hz of the supply air fan when in Smoke Supply air fan Control mode. - Setting range: 0-60 Hz CAUTION • Smoke Control mode must be used in conjunction with fire extinguishing equipment in the building or facility.
  • Page 38 HMI SETTINGS Item Description Sets the operating status of the freeze protection Freeze protection heater in Test Run mode. (contact) - Setting: Open, Short 5-1-6. Password Setting • Run the 'Password Setting' icon on the Installer Setting screen to set or change the password for the HMI.
  • Page 39 HMI SETTINGS 6. View History • Run the 'History' icon on the home menu to view a list of errors that have occurred during air conditioner operation. 7. Schedule Setting • Run the 'Schedule' icon on the home menu to set the scheduled operation of the air conditioner.
  • Page 40 HMI SETTINGS 8. Error Display • If an error occurs while the air conditioner is operating, an error indication will appear on the HMI screen. • It is displayed along with an error code. • Refer to the 'Self-diagnosis Function' section of the appendix for detailed error information for the air conditioner.
  • Page 41 HMI SETTINGS • Coil Register Address Data Bit Register Notes Hexadecimal Decimal High 0x0000 Operation Setting 0: Off / 1: On 0: Off / 0x0001 Automatic return air (additional operation) 1: Automatic return air 0x0002 Humidification function (additional operation) 0: Off / 1: Humidification •...
  • Page 42 HMI SETTINGS • Input Register Address Data Bit Register Notes Hexadecimal Decimal High AHU Controller's Version display [0.1] X 0x0000 30001 AHU Version 0x0001 30002 Error Air Conditioner Error occurring AHU (fixed as 1) 0x0002 30003 Error Device Error occurring devices (see error code) 0x0003 30004 Error Code...
  • Page 43 HMI SETTINGS Address Data Bit Register Notes Hexadecimal Decimal High 0x0021 30034 Return air FAN 4 operating frequency Frequency range (0-60) [Hz] 0x0022 30035 Return air FAN 5 operating frequency Frequency range (0-60) [Hz] 0x0023 30036 Return air FAN 6 operating frequency Frequency range (0-60) [Hz] 0x0028 30041...
  • Page 44 HMI SETTINGS • Holding Register Address Data Bit Register Notes Hexadecimal Decimal High 0: not used / 1: cooling / 2: 0x0001 40002 Operation mode setting heating / 3: dehumidification / 4: outdoor air / 5: fan / 6: reheating 0x0002 40003 Airflow setting...

  • Page 45: Self-Diagnosis

    HMI SETTINGS Self-Diagnosis Error Display Unit - This feature diagnoses the product and displays the type of error when the product is malfunctioning. - Place an error mark in the HMI. - Display in the order of error number if there are more than two types of errors. - The error code disappears when repaired after an error.
  • Page 46 HMI SETTINGS • Controller Error High Error classification classification Errors Error Code Location name Notes grade error error If the fire detection contact Fire detection (smoke shorts (operates with the set CH10001 detecting sensor) value of HMI's Smoke Control after error indication) If the emergency stop contact Emergency stop CH10002...
  • Page 47 HMI SETTINGS High Error classification classification Errors Error Code Location name Notes grade error error Sensor short-circuited or CH10031 Outdoor air thermistor error disconnected Outdoor air humidity sensor CH10032 Reserved error In case of ± 10% Outdoor air damper feedback CH10034 difference from target error...
  • Page 48 HMI SETTINGS High Error classification classification Errors Error Code Location name Notes grade error error Main coil exit sensor Sensor short-circuited or CH10064 error disconnected Differential pressure CH10066 sensor faulty Reserved connection CH10061 ~ Sensor type - Static pressure sensor CH10067 Reserved CH10070...
  • Page 49 HMI SETTINGS High Error classification classification Errors Error Code Location name Notes grade error error Haven't received a central control communication signal Communication error from ODU #2 for more than 3 CH12255 between ODU2 central consecutive minutes (error controls occurs only when the target ODU 2 CH12001 ~ temperature control criteria is...

Table of Contents