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LG PRCKD42E Owner'S Manual Download Page 125

APPENDIX

125

ENGLISH

Controller Error

Error

Code

List of Errors

Error

Level

Cause

CH100017 Fire Detection (Smoke Detector)

1

The point of contact for fire detection is shorted (Displays the error and runs in HMI Smoke
Detection settings.)

CH10002

Emergency Stop Detection

2

The emergency stop for emergency stop is shorted (Displays the error and shuts down all
the activities.)

CH10003

HMI Communication Error

2

Unable to receive the communication signal from the HMI for more than 30 seconds.

CH10004

BMS Communication Error

2

Unable to receive the communication signal from the BMS for more than 30 seconds.

CH10011

Ventilation Temperature Sensor Error

2

The ventilation temperature sensor is disconnected/short circuited.

CH10013

Ventilation Flow Sensor Error

2

The ventilation flow sensor is disconnected/short circuited. (Error is identified 5 minutes
after the unit is turned on.)

CH10016

Miswired Ventilation Temperature Sensor

2

Miswiring between ventilation temperature sensor power supply and signal cable

CH10017

Miswired Ventilation/Humidity Sensor

3

Miswiring between ventilation humidity sensor power supply and signal cable

CH10018

Miswired Ventilation Flow Sensor

2

Miswiring between ventilation flow sensor power supply and signal cable

CH10021

Supply Temperature Sensor Error

2

The supply temperature sensor is disconnected/short circuited.

CH10023

Supply Flow Sensor Error

2

The supply flow sensor is disconnected/short circuited. (Error is identified 5 minutes after
the unit is turned on.)

CH10026

Miswired Supply Temperature Sensor

2

Miswiring between supply temperature sensor power supply and signal cable

CH10027

Miswired Supply Humidity Sensor

3

Miswiring between supply humidity sensor power supply and signal cable

CH10028

Miswired Flow Humidity Sensor

2

Miswiring between supply flow sensor power supply and signal cable

CH10031

Outdoor Unit Temperature Sensor Error

2

The outdoor unit temperature sensor is disconnected/short circuited.

CH10034

Outdoor Damper Feedback Error

3

The difference between the desired outdoor unit damper angle is over ±10 % (Identified as
an error 3 minutes after changing the angle.)

CH10036

Miswired Outdoor Unit Temperature Sensor

2

Miswiring between outdoor unit temperature sensor power supply and signal cable

CH10037

Miswired Outdoor Unit Humidity Sensor

3

Miswiring between outdoor unit humidity sensor power supply and signal cable

CH10041

Mix Temperature Sensor Error

2

The mixer temperature sensor is disconnected/short circuited.

CH10044

Mix Temperature Damper Feedback Error

3

The difference between the desired mixer damper angle is over ±10 % (Identified as an
error 3 minutes after changing the angle.)

CH10046

Miswiring of Mix Temperature Sensor

2

Miswiring between mixer temperature sensor power supply and signal cable

CH10054

Exhaust Damper Feedback Error

3

The difference between the desired supply damper angle is over ±10 % (Identified as an
error 3 minutes after changing the angle.)

CH10061

Differential Sensor Error

3

The differential sensor is disconnected/short circuited. (Error is identified 5 minutes after
the unit is turned on.)

CH10062

Static Pressure Sensor Error

3

The static pressure sensor is disconnected/short circuited. (Error is identified 5 minutes
after the unit is turned on.)

CH10063

CO2 Sensor Error

3

The CO2 sensor is disconnected/short circuited.

CH10071

Filter Exchange Alarm

3

Exceeded the set value of the differential sensor.

CH10072

Filter Exchange Error

2

The total run time has exceeded 300 hours after the filter replacement alarm is triggered.

CH10101

IO #1 Communication Error between Mod-
ules

2

Unable to receive the communication signal from IO #1 for more than 1 minute.

CH10111

IO #2 Module Communication

2

Unable to receive the communication signal from IO #2 for more than 1 minute.

CH10501

COM #1 Communication Error between
Modules

2

Unable to receive the communication signal from COM #1 for more than 1 minute.

CH10511

COM #2 Communication Error between
Modules

2

Unable to receive the communication signal from COM #2 for more than 1 minute.

CH11002

ODU1 Indoor Sensor (Inlet Pipe) Error

2

The inlet temperature sensor of Indoor Unit #1 of COM #1 is disconnected/short circuited.

CH11005

ODU1 Communication Error (Indoor Unit 

↔

Outdoor Unit)

2

Indoor Unit #1 of COM #1 is unable to receive the communication signal from the outdoor
unit for more than 3 minutes.

CH11006

ODU1 Indoor Sensor (Outlet Pipe) Error

2

The outlet temperature sensor of Outdoor Unit # 2 of COM #1 is disconnected/short cir-
cuited.

CH11255

ODU1 Communication Error between Central
Controls

2

Indoor Unit #1 of COM #1 is unable to receive the Central Control communication signal for
more than 3 minutes. (This error occurs only when the Desired Temperature Control Stan-
dard is set to supply.)

CH11XXX ODU1 Displays outdoor unit error code

2

Displays the relevant code as is when an error occurs in the outdoor unit communicating
with Indoor Unit #1 of COM #1.

Summary of Contents for PRCKD42E

Page 1: ...P NO MFL62171708 www lg com OWNER S MANUAL AHU CONTROL KIT Please read this manual carefully before operating your set and retain it for future reference MODELS PRCKD42E ENGLISH ESPAÑOL ...

Page 2: ...condi tioner is used for many hours Clean the air filter once every 2 weeks Dust and impurities collected in the air filter may block the air flow or weaken the cooling dehumidifying functions For your records Staple your receipt to this page in case you need it to prove the date of purchase or for warranty purposes Write the model number and the serial number here Model number Serial number You c...

Page 3: ...this installation manual and the specified circuits must be used If power capacity is inadequate or if the electrical work is defective it may cause fire or electric shock Make sure to perform the grounding work If it is not grounded it may cause electric shock Make sure to install leakage current breaker and exclusive switch If they are not installed it may cause fire or electric shock Do not use...

Page 4: ... cause fire or electric shock Do not let water enter inside the product control part Especially do not wash the product with water It may cause electric shock or disorder When you turn off the main power switch do not touch it with wet hand It may cause fire or electric shock When the product is flooded make sure to contact MULTI V AHU installation specialty store It may cause fire or electric sho...

Page 5: ...the product or electric shock Cautions during electrical work or transportation Install without tension in the power cable If a tension is imposed the cable may snap or heat can be generated to cause fire If the power cable is damaged do not replace it by yourself but call A S center for replacement Use the exclusive cable for the product Use the rated power cable with the sufficiently permitted c...

Page 6: ...NNECTION 24 OUTDOOR UNIT COM MUNICATION LINE CON NECTION 27 AHU SENSOR SPECIFI CATION 29 AHU SENSOR COVER IN STALLATION FOR OUT SIDE INSTALLATION 30 AHU SENSOR CONNEC TION 37 FAN DRIVER MODULE CONNECTION 40 POWER CONNECTION 46 HMI SETTINGS INSTAL LATION 54 OUTDOOR UNIT AD DRESS SETTING 56 SYSTEM SETTINGS 76 LOG INTO HMI 79 HMI MENU 81 HMI HOME SCREEN 84 HMI SCHEDULE 93 HMI HISTORY 94 HMI SETTING 1...

Page 7: ...lied Standards Air handling unit Control kit PRCKD42 Expansion kit unit PATX13A0 20A0 25A0 35A0 Outdoor unit MULTI V ƒ Pipe Temperature Sensor IN Sensor Ø 5 Length 10m Color Black Pipe Temperature Sensor OUT Sensor Ø 7 Length 10m Color Red 1 2 Temperature humidity sensor RA SA 40 C 70 C RH 0 95 AC 24 V DC 0 10 V 1 2 Ventilation Fan Supply Fan 1 2 Ventilation Supply Driver KIT 1 Driver KIT can be c...

Page 8: ...ON MANUAL AHU CONTROL KIT 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 MODELS PRCKD42 ENGLISH Number of Bolts 4 EA Spec M10 70 mm Number of Nuts 4 EA Spec M10 CAUTIO...

Page 9: ...k 2 3 20 Pin I O 2 HMI 7 Touch LCD 1 Terminal Block 4 15 A 1 HMI Back Cover 1 Circuit Breaker for Wiring 15 A 1 5 KA 1 COMM PCB AC 24 V 2 Fuse AC 250 V 5 A 4 I O PCB AC 24 V 2 Trans AC220V AC24V100VA 2 HMI Power Supply Unit AC220 V DC12 V 24 W 1 Internal Box Middle Panel 1 AHU Controller AC 24 V 1 External Box 1 Terminal Block 1 40 Pin I O 1 Product Layout PRCKD42 ...

Page 10: ...stalla tion conditions Please use a flexible tube and connector that matches the hole Classification Spec Description A mm 580 Length B mm 700 Height C mm 280 Width D mm 500 AHU Screwing and Distance Between Holes E mm 600 F 4 Ø16 hole Pipe Sensor IN G 10 Ø25 hole Sensor Communication Line IN line insertion part H Ø30 hole Power Cable IN PRODUCT DIMENSION Product Measurements ...

Page 11: ...ecification Quantity COMM PCB AC 24 V 1 Terminal Block 2 3 20 Pin I O 2 I O PCB AC 24 V 1 Terminal Block 4 15 A 1 HMI Power Supply Unit AC220 V DC12 V 24 W 1 Circuit Breaker for Wiring 15 A 1 5 KA 1 AHU Controller AC 24 V 2 Fuse AC 250 V 5 A 4 Terminal Block 1 40 Pin I O 2 Trans AC220V AC24V100VA 2 ...

Page 12: ...12 WIRING DIAGRAM ENGLISH WIRING DIAGRAM PRCKD42E ...

Page 13: ...WIRING DIAGRAM 13 ENGLISH ...

Page 14: ...14 WIRING DIAGRAM ENGLISH ...

Page 15: ...WIRING DIAGRAM 15 ENGLISH ...

Page 16: ...16 WIRING DIAGRAM ENGLISH ...

Page 17: ...ated fan motor When applying an optional sensor for certain installation sites configure the settings in HMI in accordance with the site conditions For more details on settings refer to About HMI When using Capacity Control Make sure to install Central Control PI485 on the out door unit After installing the Control Kit set the address for outdoor units starting from No 1 Incorrect outdoor unit add...

Page 18: ...s 4EA Installation nuts 4EA 4 holes Installation Materials Control Kit Back Side CAUTION Consider the minimum space for opening and closing the Control Kit door in order to se cure the space for maintenance service and installation when determining the Control Kit installation location If the Control Kit is installed facing the wall make sure there is at least 900mm distance between the wall and t...

Page 19: ...e Control Kit Install the Control Kit in the location shown in the picture below Installation Complete CAUTION Do not install the Control Kit alone It can cause injuries After installing the product check to see if it s installed securely in place ...

Page 20: ...EA Washer 4EA Washer 4EA Nut 4EA Control Kit Washer 4EA Narrow the gap between the brackets and fasten the nut 4 holes Outdoor box backside Product name Specification Quantity EA Location Washer M10 SUS 4 Outdoorboxenclosed Bolt M10X 70 SUS 4 Control Kit enclosed Nut M10 SUS 4 Washer M10 SUS 4 CAUTION Do not install the Control Kit alone It can cause injuries After installing the product check to ...

Page 21: ...es of each PCB is set in the following order 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 1 1 2 3 4 1 2 3 4 Set the switch Switch ON Switch OFF CAUTION The dip switch settings are in factory default mode Do not change the dip switch settings when installing the product at the site Changing the dip switch settings can cause problems in controlling monitoring the product ...

Page 22: ...communication module connector Expansion kit PATX13A0 20A0 25A0 35A0 Pipe Temperature Sensor IN Ø 5 Length 10m Color Black Pipe Temperature Sensor OUT Ø 7 Length 10m Color Black Flexible Tube and Connector Ø 16 supplied on the site Pipe Temperature Sensor IN Pipe Temperature Sensor OUT Expansion Kit 1 Expansion Kit 2 Expansion Kit 3 Pipe Temperature Sensor IN Pipe Temperature Sensor OUT CAUTION CO...

Page 23: ...utdoor units check the address of the outdoor units and then connect them to the designated communication ports Connect the communication between the outdoor unit and Control Kit as shown below Refer to the Wiring Diagram for more details on connecting the units CAUTION Each COMM Since a PCB can be connected to up to 3 outdoor units and the address is assigned to each of the ports connect the comm...

Page 24: ...3 outdoor units and Expansion Kits Therefore make sure the communication cables of each outdoor unit and pipe temperature sen sor wires of Expansion Kit are not mixed when connecting the outdoor units C12A C12B C13A C13B Outdoor Unit 1 Outdoor Unit 4 Outdoor Unit 2 Outdoor Unit 5 Outdoor Unit 3 Outdoor Unit 6 C14A C14B Pipe Temperature Sensor IN Pipe Temperature Sensor OUT Communication Cable Pipe...

Page 25: ...of other equipment Power Cable Current Capacity Distance 100 V or more 10 A 300 mm 50 A 500 mm 100 A 1 000 mm Exceeding 100 A 1 500 mm CAUTION The calculation is based on two 100 m cables running parallel to each other The distance must be recalculated in direct proportion to the length if the length is over 100 m Increase the distance if the power wave is still distorted even after keeping the di...

Page 26: ...N_B Outdoor Unit 4 Outdoor Unit 5 Outdoor Unit 6 Connect to CEN_A CEN_B Connect to CEN_A CEN_B CAUTION The capacity of up to 6 outdoor units can be controlled in the Control Kit and it s recom mended to set the addresses of the outdoor units from 1 through 6 when connecting the communication cable for controlling the capacity If not it may take some time to find the addresses of the outdoor units ...

Page 27: ...Power AC 24 V Output signal DC 0 10 V Temperature range 50 C 50 C Option Filter Differential Sensor Power AC 24 V Output signal DC 0 10 V Range 0 1 000 Pa Option Switch type Relay open close Option Static Pressure Sensor Power AC 24 V Output signal DC 0 10 V Range 0 1 000 Pa Option CO2 sensor Power AC 24 V Output signal DC 0 10 V Range 0 2 000 ppm Option Smoke Detector Power AC 24 V Type Contact O...

Page 28: ...cation CAUTION The AHU may not start or function properly if the sensor is not installed in the location specified in the picture above Temperature humidity sensors must be installed on the SA supply RA ventilation ducts before the product can run normally The AHU can have an error or may not start if the sen sor is not installed ...

Page 29: ...nstall the protection box as shown below Ex Installation of a temperature and temperature humidity sensor covers Ex Installation of a damper actuator cover RA EA OA SA RA EA OA SA CAUTION When installing a sensor outdoors make sure to install the protective cover at which time the Safety Grade must be IP 56 or higher If the cover is not installed rainwater can flood the sensor causing it to malfun...

Page 30: ...ual that came with the sensor 2 Make sure to finish all the sensor wires with a flexible tube 3 Using a temperature humidity sensor outside the temperature range different from the above specifications can cause the unit to malfunction However the temperature range can be adjusted in HMI Settings Item Specification Remark Temperature humidity sensor Power AC 24 V Output signal DC 0 10 V Temperatur...

Page 31: ... the sensor 2 Make sure to finish all the sensor wires with a flexible tube 3 Using a temperature sensor outside the temperature range different from the above specifications can cause the unit to malfunction However the temperature range can be adjusted in HMI Settings Item Specification Remark Temperature sensor Power AC 24 V Output signal DC 0 10 V Temperature range 50 C 50 C Option CAUTION Imp...

Page 32: ...llation of a damper actuator refer to the Manual that came with the damper actuator 2 Make sure to finish all the sensor wires with a flexible tube Item Specification Remark Damper Actuator Power AC 24 V Input Output Signal DC 0 10 V Torque 15 Nm Operation Time 150 Sec Rotation Angle 90 Option CAUTION Improper wiring of the damper actuator can damage the Main Controller of the AHU Make sure to che...

Page 33: ... Remark Filter Differential Sensor Power AC 24 V Output signal DC 0 10 V Range 0 1 000 Pa Option 1 For more information on the installation of a filter differential sensor refer to the Manual that came with the sensor 2 Make sure to finish all the sensor wires with a flexible tube CAUTION Improper wiring of the sensor can damage the Main Controller of the AHU Make sure to check for any incorrect w...

Page 34: ...tact type Connection 1 For more information on the installation of a filter differential sensor refer to the Manual that came with the sensor 2 Make sure to finish all the sensor wires with a flexible tube Item Specification Remark Filter Differential Sensor Switch Type Relay open close Option Filter Differential Sensor optional ...

Page 35: ...the installation of CO2 sensors refer to the Manual that came with the sensor 2 Make sure to finish all the sensor wires with a flexible tube Item Specification Remark CO2 sensor Power AC 24 V Output Signal DC 0 10 V Range 0 2 000 ppm Option CAUTION Improper wiring of the sensor can damage the Main Controller of the AHU Make sure to check for any incorrect wiring before turning the power on ...

Page 36: ...ble Connection AC 220 V L N B17 B18 Ex Smoke Detector Installation 1 For more information on the installation of a smoke detector refer to the Manual that came with the detector 2 Make sure to finish all the sensor wires with a flexible tube Item Specification Remark Smoke Detector Power AC 24 V Type Contact Option ...

Page 37: ... and the motors can be controlled and monitored through communication with the Control Kit Up to 3 fan driver modules can be installed on each SA Supply RA Ventilation unit according to the AHU capacity Connect the communication cable between the Control Kit and driver module as shown in the picture below C21A 1 2 3 4 C21B SA Module 1 Control Kit SA Module 2 SA Module 3 1 2 3 4 1 2 3 4 1 2 3 4 RA ...

Page 38: ...3 No 1 PCB Modul 3 No 1 PCB Modul 3 No 2 PCB Modul 3 No 2 PCB Fan Driver Module Address Settings The address of each module must be set correctly in order for the motor to function properly Each fan driver module has two driver PCBs and each of the PCBs must be given a separate ad dress The PCB address can be set by using the SW_DIP of the driver PCB Set the addresses by referring to the following...

Page 39: ...city by connector pin type in accordance with the table below Motor and Capacity Classification Motor Classification Capacity Classification Connector Pin CN_TH1 Induction Motor 3 7 KW Not Inserted 2 2 KW Inserted CAUTION The connector pins must be distinguished clearly according to the capacity in order for the product to function properly The motor can create an abnormal noise if the connector p...

Page 40: ...n result in poor reception and trans mission which can lead to malfunction WARNING Make sure to have a licensed electrician to do the electric construction work involving special types of circuits in accordance with the general regulations and this Installation Manual The power supply circuit with inadequate capacity or errors can cause electric shock and or fire WARNING Make sure to have a licens...

Page 41: ...check the U V W connections in the driver mod ule Refer to System Settings 5 for more details If a damper actuator is installed as an option check to see if each of the damper angles are set as below 2 minutes after turning on the power Check the damper actuator connection if they re connected reversely as shown above Damper Location OA Damper Full Close EA Damper Full Close Mixing Damper Full Clo...

Page 42: ...ntrol Kit Refer to the Wiring Diagram for more details Main Power and Service Light Connection RA EA OA SA Circuit Breaker for Single Phase Wiring AC 220 AC 24 V Trans Factory Wired On Site Wired Control Kit AC 24 V AC220 V MCCB MCCB MCCB TR TR L N L3 N2 T B ႙અ Connect the service light Control Kit Power Supply Single Phase 220 V 60 Hz ...

Page 43: ... Module 1 SA Driver Module 1 Motor Power 3 Phrase Control Kit Power Supply Single Phase 220 V 60 Hz TO RA MODULE 2 MCC Panel Control Kit R S T N R S T N R S T N E Driver 1 Driver 2 Noise Filter Noise Filter U V W R S T N C21A C21B L N 1 2 3 4 R S T N 1 2 3 4 U V W U V W U V W RA EA OA SA E RA E SA Driver 1 Driver 2 Ground Fault Circuit Interrupter Factory Wired On Site Wired Communication Cable Co...

Page 44: ...e supplied to the motor using the magnetic contactor of the MCC Panel When connecting a rated motor RA EA OA SA Ground Fault Circuit Interrupter Magnetic Contactor Factory Wired On Site Wired MCC Panel Motor Power 3 Phrase Control Kit Power Supply Single Phase 220 V 60 Hz Control Kit R S T N MC RA MC SA 325A 325B 326A 326B L N E RA E SA E MC ...

Page 45: ...lve Connection RA EA OA SA L N Solenoid Valve Circuit Breaker for Single Phase Wiring AC 220 AC 24 V Trans Factory Wired On Site Wired Sol Sol MCCB TR Humidifier Solenoid Valve Connection Control Kit Power Supply Single Phase 220 V 60 Hz Control Kit TR MCCB T B 324A 324B AC 24 V AC 220 V ...

Page 46: ...er to the Control Kit to be automatically taken to the login page as shown below 2 You need to log in as the administrator in order to log in to the Administrator Settings screen Click the Administrator button to open the password box There is no default password Click OK to enter the main screen For setting the password please refer to page 108 of the User Manual 3 Click the Settings button in th...

Page 47: ...is an all fresh air system please select All Fresh Air System in Set AHU Type If the installed AHU is an air handling system please select Air Handling System in Set AHU Type CAUTION The AHU may not function properly if the AHU type is not set correctly and this can also cause error in the sensor and dampers Please accurately set the AHU type ...

Page 48: ...ant Water Cooled if an air cooled outdoor unit is installed Select Hot Water or Steam when a hot water or steam valve is installed The image of LG product will appear on the HIM Out door Unit Screen it s set to Refrigerant A valve control value will appear if it s set to Hot Water or Steam In order to set the heat source for each mode press the button on the box to see the list of heat sources tha...

Page 49: ...ly sensor installed in Supply In order to set the sensors press the button on the box to see the list of sensors that can be selected CAUTION If the ventilation sensor is not set In the case of an all fresh air system a ventilation temperature sensor is not required according to the AHU type settings but it is required in an air handling unit type for con trolling the ventilation temperature When ...

Page 50: ...e able to see the OA temperature humidity sensor value in the System View only when OA Temperature Humidity Sensor is enabled Choose whether the optional sensor will be used or not When the OA temperature humidity sensor is not used When the OA temperature humidity sensor is used You can set the default value for the optional sensor When the Mix temperature sensor is not used When the Mix temperat...

Page 51: ...ensor must be set before the sensor can be used Set the default CO2 concentration level as shown below The initial value of the default concentration level is set to 1 000ppm and the level can be set between 0 1 500ppm at an increment decrement of 100ppm If a value exceeding the default concentration level is entered a message saying Exceeded Maximum Input Range so re enter the value within the de...

Page 52: ...before the sen sor can be used Set the default filter differential pressure value as shown below The initial value of the default pressure level is set to 400Pa and the level can be set be tween 200 400Pa at an increment decrement of 10Pa If a value exceeding the default pressure level is entered a message saying Exceeded Maximum Input Range so re enter the value within the designated range when y...

Page 53: ...he ventilation flow sensor When the ventilation flow sensor is not used do not check the checkbox Check the checkbox only when the sensor is used 7 Set the supply flow sensor When the supply flow sensor is not used do not check the checkbox Check the checkbox only when the sensor is used When the supply static pressure sensor is not used When the supply static pressure sensor is used When the vent...

Page 54: ...ress 80 sec onds after the outdoor unit is turned on Turn on Dip Switch No 12 while the outdoor unit is not running to set the outdoor unit address After turning on Dip Switch No 12 you will see the Main Address display where you can set the main address of the outdoor unit When the address appears press the black and white switch SW01V to set the desired address and then hold down the red switch ...

Page 55: ...running to set the outdoor unit address After turning on No 5 select Func in the display by pressing the red but ton SW01C After selecting Func select Fn5 by pressing the red button by using the SW02C SW03C button After selecting Func5 set the out door unit address by pressing the SW02C SW03C button The address can be set between 0 255 After setting the outdoor unit ad dress complete the setting b...

Page 56: ...w the steps below to enter the HMI Service mode 1 Connect power to the Control Kit to be automatically taken to the login page as shown below 2 You need to enter Service mode in order to log into the System Settings screen Hold down the box in the upper left corner for more than 3 seconds to open the password box Enter the password digital21 and then click the OK button to log into Service mode 3 ...

Page 57: ... display the moni tored output value of each damper When the static pressure sensor is not used do not check the checkbox Check the checkbox only when the sensor is used When Damper Feedback is not used When Damper Feedback is used CAUTION The alarm will go off if the Damper Feedback value is not entered after Enable Disable Damper Feedback is check marked After setting the Damper Feedback functio...

Page 58: ...y level 3 Humidifier Function By default the humidifier function is used to humidify the air in the room in Heating mode When the Humidifier Function is not used do not check the checkbox Check the checkbox only when the humidifier is used By default a Ventilation Humidity Sensor must be installed before the Humidifier function can be used When the Cooler Humidifier Function is not used When the C...

Page 59: ... an outdoor unit is used to prevent simultaneous summer off on the installed outdoor units and differentiate the ventilation temperature value to put the out door units in summer off mode in sequence When the Sequential Control function is not used do not check the checkbox Check the checkbox only when it s used When the Warm Up Function is not used When the Warm Up Function is used When the Outdo...

Page 60: ...warm up time can be entered The default value of the warm up time is 60 min but it can be adjusted at an increment decrement of 1 min between 0 180 min An alarm message will be displayed if the input value exceeds the range in which case you can re enter the input value 60 SYSTEM SETTINGS ENGLISH To set the warm up time click the Default Pressure Level display to open a screen where the warm up ti...

Page 61: ...ed equipment run with the value set in the Smoke Control mode Disable Smoke Control Mode To disable the Smoke Control mode hold down the left and right keys on the Main Control box for 3 seconds to cancel the fire alarm and return to Normal Mode When the Smoke Control mode is not used When the Smoke Control mode is used CAUTION Make sure to examine the overall system of the AHU and building layout...

Page 62: ...e default frequency is 0 Hz but it can be adjusted at an increment decrement of 1 Hz be tween 0 60 Hz A warning message will appear if a value outside the range of fan settings is entered in which case you can re enter the value within the range The operation of in the frequency according to the type of the fan installed is as follows Inverter Fan Starts at 0 60 Hz Rated Fan Stops at 0 Hz and star...

Page 63: ...the same with all the manufac turers the actual temperature is different from one another Refer to the manual that came with each sensor for more details on temperature range Sensor Range Enter the temperature range for each sensor in below order Click the Max Min Display on the sen sor you wish to set to open a screen where the desired value can be en tered Enter the desired input value by using ...

Page 64: ... the lowest temperature and the highest temperature must be at least 49 C higher than the lowest temperature in the settings By the same token the lowest temperature must be at least 49 C lower than the highest temperature A warning message will appear if the temperature difference is less than 49 C in which case you need to re enter the temperature within the designated range 2 Pressure Range Inp...

Page 65: ...M The highest default CO2 level is 0 PPM and the level can be set between 1000 2000 PPM at an increment decrement of 10 PPM A warning message will appear if a value outside the designated range is entered in which case you can re enter the value within the range 5 Heat Source Temperature Range Settings The lowest default heat source for cooling heating is 12 0 C 40 0 C and the temperature can be e...

Page 66: ...during the linking process you can set the default temperature for fan ON OFF 1 Central Control Address Settings You need to set a designated address in order to link it with the Central Control Auto Con trol You can set the address using a decimal or hexadecimal digit Decimal Digit Address Input Method You can select the address setting method by clicking this button Click the box to open an inpu...

Page 67: ...d input value by using the key button CAUTION If the address is not set correctly the AHU can malfunction or create an error so consult the engineer who has designed the Central Control Auto Control to be linked to make sure same addresses are not used twice CAUTION The outdoor units cannot be monitored properly if the number of outdoor units installed is different from the number of outdoor units...

Page 68: ...apac ity The number of HMI fans is set according to the settings to be monitored Enter the value and then click the OK button to enter the input value CAUTION The fans cannot be monitored properly if the number of fans installed is different from the number of fans set so make sure the number of fans installed match the number of fans set ...

Page 69: ...Set the ON pipe temperature The default ON temperature is 30 0 C but it can be adjusted at an increment decrement of 0 1 C between 30 0 45 0 C All fresh air system type Set the OFF supply temperature The default OFF temperature is 25 0 C but it can be adjusted at an increment decrement of 0 1 C between 25 0 40 0 C Set the ON pipe temperature The default ON temperature is 30 0 C but it can be adjus...

Page 70: ...es The minimum required value for linking valve control is different by site so the minimum value for the cold hot water valves can be set separately It can be set between 0 and 100 in the ComboBox below Click the button to set the minimum value for the cold hot water valves ...

Page 71: ...Normal mode by selecting Cancel Control When Start Control is selected All the HMI functions will be disabled When Cancel Control is selected All the values set before the test run will be reverted back the previous mode and the Operation mode will stop CAUTION In System Settings 5 the Test Run mode must be used solely for the purpose of checking the installation status You must start the Normal m...

Page 72: ...ust mix damper angles are set below 45 when checking fan operation in which case the following warning message will ap pear The damper angle is not set Please check and configure the settings again The fan operation can be checked normally only if the angle of all the dampers is 45 Click the box to open a screen where the setting can be set entered Enter the desired input value by using the key bu...

Page 73: ...e cannot be changed while the unit is running The following warning message will appear if you try to change the damper angle while the fan is on Fan is running Stop the fan and then set the damper angle When checking the damper status make sure to stop the fan and then change the set tings Click the box to open a screen where the setting can be set entered Enter the desired input value by using t...

Page 74: ... the range of fan settings in which case you can re enter the value within the range Miswiring can cause the valve to malfunction Make sure to check the connection status if the valve doesn t work after the Apply button is clicked Click the box to open a screen where the setting can be set entered Enter the desired input value by using the key button Enter the value and then click the OK button to...

Page 75: ... freeze pro tection Improper cable connection can cause the valve to malfunction Make sure to check the connection status if the valve doesn t work after the Apply button is clicked Click the box to open a screen where the settings can be selected Select ON or OFF Click the Apply button after setting the input value to apply the value in the load ...

Page 76: ...as the power supply is connected After it s turned on the LG Logo screen will be displayed prior to the Log In screen as shown below 1 Administrator log in If you log in as the Administrator you will be granted access to all the functions necessary to operate the AHU The password set by the Administrator must be entered to log in 2 User log in Users can log in without having to enter the password ...

Page 77: ...ter the Administrator mode for the first time h If you enter an incorrect password you ll get the message The password was incorrect Please enter the correct password Password input box Click the Administrator Mode button to open the password input box Reference Administrator Login Password After logging into the HIM as the Administrator for the first time enter the Settings menu and then create a...

Page 78: ...o another mode after logging in as the Administrator or User log out in the order shown below and then log in again in the desired mode 1 Click the button on the left side of the upper menu to return to the main log in screen The user will be logged in without having to enter the password by clicking the User button Click the Log Out button to return to the default log in screen ...

Page 79: ...plays the current operation mode status It sets AHU operation mode to outdoor air cooling mode and it displays the cur rent operation mode status It sets AHU operation mode to dehumidification mode and it displays the current operation mode status It is additional humidification operation and it can be used when humidifier and the corresponding humidity sensors are installed It is the function to ...

Page 80: ...splays the currently entered menu and when it entered schedule screen it is displayed as in the left When you press History button it moves to history check screen It displays the currently entered menu and when it entered history screen it is displayed as in the left When you press Setting button it moves to setting screen It displays the currently entered menu and when it entered setting screen ...

Page 81: ... Displays the status of temperature humidity sensor installed in the out door unit Displays only the temperature sensor when a temperature sensor is installed Outdoor Damper Displays the current outdoor unit damper status Mixing Damper Displays the current mixer damper status Mixer Temperature Displays the temperature of the hybrid unit Differential Sensor Displays the status of the differential p...

Page 82: ...installed is not displayed Control Mode Displays the Control Mode set in Administrative Settings Displays Local Remote and Schedule according to the Control Mode in Administrator Settings Locked Displays the locked HMI Control Displays Unlocked if the Control mode is set to local It s displayed Locked in the Remote or Schedule mode Damper Angle Displays the current angle of the damper installed on...

Page 83: ...iption Image Displays the image of the selected outdoor unit Address Shows the address for communication with Outdoor Unit No 1 Operating Shows the operation status of the current heat source Defrost Shows the whether to enter the Defrost mode in Heating mode if the heat source is air cooled Multi V Address Defrost Operation Address Defrost Operation Address Defrost Operation Address Defrost Opera...

Page 84: ...n be saved to be used later Schedule Operation Settings Displays whether the Schedule is applied or not in the Control Mode of Administrator Settings When the schedule is not selected in the Control mode When the schedule is selected in the Control mode Apply Click the Apply button to reflect the scheduling pattern in the schedule Schedule 1 5 Click the Schedule 1 5 button to enter the screen wher...

Page 85: ...der below 1 To use the Schedule function set the Control Mode of Administrator Settings 3 to Schedule 2 Check to see if the Schedule status is set to Use in the Schedule Main Screen after applying the Schedule mode as the Control mode Select Schedule as the Control mode Check the green ramp which indicates that the schedule is applied and whether it s being Used ...

Page 86: ...y the pattern in the schedule 4 Click the Yes button to reflect the scheduling pattern on the product 5 Click the Yes button in the Notification Box to display the progress as shown below and com plete the application Click the Yes button to apply the selected schedule Select Schedule as the Control mode Displays the progress of the pattern being reflected on the schedule ...

Page 87: ...dit button to move to the Edit Weekly Schedule screen to set Click the Edit Schedule button in the Weekly Reservation screen to move to the Set Time screen Click the Previous Menu button to move to the Schedule Main Screen Click Edit Schedule to move to the Set Daily Pattern page where the weekly schedule can be set Create the Edit but ton and click the but ton on the right side of the pattern to ...

Page 88: ... can add a daily schedule in the order below Up to 6 daily schedules can be set Create the Edit but ton and click the but ton on the right side of the pattern to be edited You can set the start ing and stopping time Check the added time Click the Save button to apply the added schedule Select the time you wish to add Click the Add but ton to add the daily schedule ...

Page 89: ...ppear if you click the Add button without changing the Time Settings The following information message will appear if you don t set the start and end time cor rectly An information message shown below will appear when more than 6 daily scheduling pat terns are added ...

Page 90: ...an delete a daily schedule in the order below The following information message will appear if you click the Delete button without select ing Daily Schedule Select the schedule to be deleted Click the Save button to save the content Click the Delete button ...

Page 91: ... schedule in the order below The following information message will appear if you click the Correct button without select ing Daily Schedule Select the schedule to be corrected Set the desired ON and OFF time Click the Correct but ton Click the Save button to save the content ...

Page 92: ... according to the selected week and then click the Save mode to enter the Schedule screen 5 Check the Weekly Schedule and then click the Previous Menu button to move to the Sched ule Main Screen You can set the weekly schedule according to your pattern Selected Weekly Schedule ...

Page 93: ...the entire history The history is saved for 30 days and will be automatically deleted after 30 days Up to 3 000 histories can be saved If there are more than 3 000 the oldest histories are auto matically deleted The same alarms will not be saved after being created several times Classification Description Delete All This button is used to delete all the history of the saved alarm Refresh Click the...

Page 94: ...temperature display conditions will be changed to Desired Ventilation or Desired Sup ply in the Details page according to the Control Standard Settings A warning message will appear if the control standard is set to Ventilation without a ventila tion temperature sensor installed Select same as the box on the left side of the ventilation unit when configuring the settings based on the ventilation t...

Page 95: ...ge will appear if the temperature is outside the range in which case you need to re enter the value Humidity Settings The default cooling heating humidity is 50 and it can be adjusted at an increment decre ment of 1 RH between the range of 30 80 RH Humidity ventilation cannot be set in the following cases If the ventilation humidity sensor is not set A warning message will appear if the humidity i...

Page 96: ...trol range temperature is 1 C and it can be adjusted at an increment decre ment of 1 C between 1 C and 2 C The Control Temperature Setting range can be used only when Supply is the Control Tem perature standard An alarm message will be displayed if the control range is outside the range in which case you can re enter the input value Humidity Settings The default cooling heating humidity is 50 and ...

Page 97: ...er the product warm up time In Auto Setting In Auto Setting you only need to enter only one of the damper values among Outdoor Ex haust and Mix to have the value of the remaining two entered automatically according to the standard setting ratio Generally the outdoor damper and exhaust damper have the same ratio of 1 1 while the Mix damper is entered in the rate shown below This is the same when Mi...

Page 98: ... 0 and it can be adjusted at an increment decrement of 1 between 0 and 90 Mixing Damper The default mixing damper is 90 and it can be adjusted at an increment decrement of 1 between 0 and 90 A warning message will appear if the value of each damper is outside the range at which time you can re enter the value Outdoor Damper Settings Enter the desired input value by using the key button Enter the v...

Page 99: ... 0 and it can be adjusted at an increment decrement of 1 between 0 and 90 Mixing Damper The default mixing damper is 90 and it can be adjusted at an increment decrement of 1 between 0 and 90 A warning message will appear if the value of each damper is outside the range at which time you can re enter the value Outdoor Damper Settings Enter the desired input value by using the key button Enter the v...

Page 100: ...er is 0 and it can be adjusted at an increment decrement of 1 between 0 and 90 Mixing Damper The default mixing damper is 90 and it can be adjusted at an increment decrement of 1 between 0 and 90 A warning message will appear if the value of each damper is outside the range at which time you can re enter the value Outdoor Damper Settings Enter the desired input value by using the key button Enter ...

Page 101: ...s for the supply ventilation fans 1 Fan Control Method Select the fan control method Two different conditions cannot be selected simultaneously and the fan operation method is determined by the selected condition When rated speed is selected Start stop the fan When inverter is selected Control the fan in accordance with the selected fan control condi tions wind speed temperature static pressure ...

Page 102: ...ol the fan in accordance with the desired current tem perature When static pressure is selected Control the fan in accordance with the selected current static pressure The static pressure can be set only after a static pressure sensor is installed 3 Static Pressure Control Conditions The Static Pressure Control mode can be activated only when Static Pressure Standard is se lected in Inverter Fan C...

Page 103: ...red in which case you can re enter the value within the range 4 Set the Wind Speed The fan operation frequency is determined by the wind speed high medium low configured in Administrator Settings 1 The frequency for each wind speed is set in the following order Enter the desired input value by using the key button Click the item to select to open a screen where the setting can be set entered Enter...

Page 104: ... can be adjusted within 30 and 90 Hz Set Supply Ventilation Medium The default medium wind speed is 50 Hz and it can be adjusted within 30 60 Hz Set the Supply Ventilation Low The default low wind speed is 30 Hz and it can be adjusted within 30 60 Hz A warning message will appear if a value outside the temperature range is entered in which case you can re enter the value within the range Click the...

Page 105: ... from a remote distance but the product may not run according to your command ac cording to the type of command for production operation When the Remote Mode is selected This mode enables you to use Control Commands and monitor the system from a remote distance However in the Remote Mode control commands can not be used in the HMI Select the Local Control Mode to use the commands in the HMI When t...

Page 106: ...emote Operation and B15 B16 Remote Mode ports for the Contact Point Mode Refer to the Wiring Diagram for more details on connecting the units When the Modbus Mode is selected Control commands are received by communicating with the outside and send product data to outside Use the terminal blocks C22A and communication terminal C22B in the Modbus Mode For more details refer to the Wiring Diagram and...

Page 107: ...sword for the first time make sure to create a password in Ad ministrator Settings 3 to change the password setting Initial Setting To create a password enter the password you want without entering the cur rent password and then click the OK button Changing the password To change the password enter the password you want after enter ing the current password and then click the OK button Press the Ch...

Page 108: ...reen where you can calibrate the touch coordinates by following the instructions on the screen Click the Recalibrate button to move to the screen for calibrating the coordinates as shown below Click the Calibrate button to move to the screen where you can cali brate the touch coordinates Start calibrating the screen according to the instructions in the screen Gently Hold the Stylist and click the ...

Page 109: ...calibration screen you ll enter the Stylist Property screen again as shown below Click the OK button at the top to apply the most recently calibrated coordinates Once the screen calibra tion is completed you ll get the message New calibration is completed Touch the screen to exit the Calibrate Coordinates screen New calibration is completed ...

Page 110: ...inserted you ll get the following error message Once the USB device containing the program is correctly inserted the upgrade process will start in below order Click the Upgrade button to open a message box showing the progress Click the Upgrade button to auto matically start the upgrade The error message will also appear when the USB drive containing the program necessary for the upgrade is not in...

Page 111: ...e box displaying the time required for the up grade The software upgrade progress is displayed as shown below Click the OK button and a message box showing the estimated time will appear Click the OK button again to move on to the next step Display the upgrade progress ...

Page 112: ...HMI SETTING ENGLISH You will be moved to the login screen after the system restarts Move on to the next step once it s 100 complete Click the OK button to complete the upgrade process and restart the system ...

Page 113: ...N 113 ENGLISH HMI PRODUCT INFORMATION Administrator Settings The current HIM version as well as the total run time are displayed in the Product Info page Displays the current HMI software version Displays the total run time ...

Page 114: ...and settings as shown below Classification Description Operation Status Displays the current operation status Operation Mode Displays the current operation status Additional Operation Displays the optional operation status Current Temperature air supply ventilation Displays the current product temperature Displays Supply or Ventilate according to the control temperature ...

Page 115: ... Alarm Window Delete the alarm window from the screen The alarm window appears every 5 seconds if proper measures are not taken CH X X XXX Displays the alarm code This number is for categorizing the alarms that can be triggered This shows the number of AHU It s currently fixed at 1 CAUTION Only the alarm code will appear without the name if an alarm is triggered in the outdoor unit While different...

Page 116: ...Command sets Start Stop AHU Mode sets AHU operation mode Air Volume sets the AHU Wind Speed Controls Displays the error code when an error occurs in the current AHU Temp shows the temperature of each unit Control Mode sets the main subject of the AHU Commands Address sets the address when setting the Modbus in Remote Displays the Modbus communication speed and the value is fixed Displays the progr...

Page 117: ...ursors for selecting the items in the screen The Down button is used to scroll down the Select cursors for selecting the items in the screen The Left and Right buttons are used to change the setting value of the selected item Classification Description Command This is where you can Start Stop the AHU Mode This is where the AHU Operation Modes can be changed between Cool Heat Outdoor Dehumidify and...

Page 118: ... to Re mote at which time you can select between Contact and Modbus Address Sets the address for communication with the remote control device when setting the Modbus in the Remote Mode The address can be set between 1 247 Buadrate Displays the communication speed between the Remote Control Device and AHU Main Control when the Remote Control Device and Modbus are linked through a communication chan...

Page 119: ...tocols in Appendix for more information on available protocols Function Code Sub Function Function Name Start Address form Master Device 0x01 None Read Coil Register Address 1z 0x02 None Read Discrete Input Register Address 10001 0x03 None Read Holding Register Address 40001 0x04 None Read Input Register Address 30001 0x05 None Write Single Coil Register Address 1 0x06 None Write Single Holding Re...

Page 120: ... Fan 4 Operation Status 0 Stop 1 Start 10013 Ventilation Fan 5 Operation Status 0 Stop 1 Start 10014 Ventilation Fan 6 Operation Status 0 Stop 1 Start 10015 Reserved 10016 Reserved 10017 Supply Fan 1 Operation Status 0 Stop 1 Start 10018 Supply Fan 2 Operation Status 0 Stop 1 Start 10019 Supply Fan 3 Operation Status 0 Stop 1 Start 10020 Supply Fan 4 Operation Status 0 Stop 1 Start 10021 Supply Fa...

Page 121: ...time increases in the Supply Fan Operation mode 30007 Reserved 30008 Reserved 30009 Reserved 30010 Reserved 30011 Ventilation Temperature 30012 Ventilation Humidity 30013 Supply Temperature 30014 Supply Humidity 30015 Outdoor Unit Temperature 30016 Outdoor Unit Humidity 30017 Mixer Temperature 30018 Supply Flow Sensor Speed 30019 Ventilation Flow Sensor Speed 30020 Cold Water Valve 30021 Hot Water...

Page 122: ...tilation FAN 4 Operation Frequency 30045 Ventilation FAN 5 Operation Frequency 30046 Ventilation FAN 6 Operation Frequency 30051 Outdoor Unit 1 Address 30052 Outdoor Unit 1 Mode 30053 Outdoor Unit 1 Reserved 30054 Outdoor Unit 2 Address 30055 Outdoor Unit 2 Operation Mode 30056 Outdoor Unit 2 Reserved 30057 Outdoor Unit 3 Address 30058 Outdoor Unit 3 Operation Mode 30059 Outdoor Unit 3 Reserved 30...

Page 123: ...e Settings 40003 Optional Operation Mode 40004 Wind Speed Settings 40005 Control Mode Settings 40006 Remote Mode Settings 40007 Set Desired Cooling Temperature 40008 Set Desired Heating Temperature 40009 Set Desired Humidity Temperature 40010 Set Desired Temperature ...

Page 124: ...r Main Category Error Sub Category Remarks CH 1 CH 1 AHU Number CH 1 0 xxx CH 1 0 0xx AHU Main Module Error CH 1 0 10x IO 1 Module Error CH 1 0 11x IO 2 Module Error CH 1 0 50x Comm 1 Module Error CH 1 0 51x Comm 2 Module Error CH 1 1 xxx CH 1 1 xxx ODU 1 Module Error among Comm 1 CH 1 2 xxx CH 1 2 xxx ODU 1 Module Error among Comm 2 CH 1 3 xxx CH 1 3 xxx ODU 1 Module Error among Comm 3 CH 1 4 xxx...

Page 125: ...sensor power supply and signal cable CH10041 Mix Temperature Sensor Error 2 The mixer temperature sensor is disconnected short circuited CH10044 Mix Temperature Damper Feedback Error 3 The difference between the desired mixer damper angle is over 10 Identified as an error 3 minutes after changing the angle CH10046 Miswiring of Mix Temperature Sensor 2 Miswiring between mixer temperature sensor pow...

Page 126: ...inutes CH14006 ODU4 Indoor Sensor Outlet Pipe Error 2 The outlet temperature sensor of Indoor Unit 1 of COM 2 is disconnected short cir cuited CH14255 ODU4 Communication Error between Central Controls 2 Indoor Unit 1 of COM 2 is unable to receive the communication signal from the Central Control for more than 3 minutes This error occurs only when the Desired Temperature Control Standard is set to ...

Page 127: ...v 2 Ventilation INV is unable to receive the communication signal from the Main Control for more than 30 seconds CH18x22 Input Overcurrent in Ventilation Fan PCB 2 An overcurrent in the ventilation INV power supply Error Code List of Errors Error Level Cause CH19X01 Communication Error in Supply Fan PCB Main Inv 2 Unable to receive the communication signal from Supply INV for more than 1 minute CH...

Page 128: ...s calling signal for certain period of time CH1x024 Outdoor unit high pressure switch activation If External PCB high pressure switch open signal is received by Main PCB during the compressor operation CH1x025 Input voltage high voltage low voltage Decision of high low of driver input voltage from fan driver CH1x032 Inverter compressor 1 outlet temperature excessive rise After 3 min after Comp sta...

Page 129: ...nication defect CH1x053 Indoor outdoor unit communication defect Data of indoor unit connected to outdoor unit had communication success of 1 or more times and did not re ceive for 3 or more minutes CH1x054 Outdoor unit 3 phase power reverse phase Inverter PCB RST phase reverse wiring CH1x060 Inverter PCB EEPROM error Inverter PCB EEPROM Access error CH1x067 Fan lock Fan PCB did not reach target R...

Page 130: ...n problem signal It is not checked when it is stopped CH1x154 Engine RPM High problem EC_RPM is maintained at 2301 or more for 30 minutes or ECU raised engine excessive rotation problem sig nal It is not checked when it is stopped CH1x155 Coolant temperature high temperature problem Coolant temperature is maintained at 100 C or more for 3 seconds or ECU raised engine water temperature excessive ri...

Page 131: ...ed Air sensor problem CH1x172 Oil hydraulic switch problem at stopped state Decide from 2 min after engine stop EC_RPM 10 Oil hydraulic switch OFF state is maintained for 2 min utes or ECU raised hydraulic problem signal at stopped state CH1x173 Forced stop Forced stop switch gas valve lock switch ON setting is maintained for 2 seconds CH1x174 Coolant level problem Coolant float Switch is continuo...

Page 132: ... Oil separator oil temperature sensor defect Sensor open short CH1x186 Input output flat pressure problem During the flat pressure standby if difference of compressor inlet outlet pressure is maintained exceeding condition of 300kPa at hot gas valve ON point for 10 minutes ...

Page 133: ...ax CT maximum current error CH1x023 DC link voltage low CH1x024 High pressure heat radiation plate SW CH1x025 Low voltage high voltage CH1x026 DC Comp position error CH1x027 PSC Fault error CH1x028 DC link voltage High CH1x029 Comp over current CH1x030 Fixed speed No 2 compressor outlet temperature excessive rise CH1x031 CT error low current CH1x032 Inverter outlet temperature error High CH1x034 H...

Page 134: ...ral controller CH1x056 Communication error main central controller CH1x057 Communication error main board inverter board CH1x058 Very small product wrong assembly CH1x059 Slave outdoor unit mixed installation CH1x060 PCB EEPROM error MUlti V inverter PCB EEPROM error CH1x061 Outdoor pipe temperature error High CH1x062 Heatsink error High CH1x063 Indoor pipe temperature error low CH1x064 Momentary ...

Page 135: ...on error Slave Master CH1x105 Fan board communication error fan outdoor unit CH1x106 Fan board IPM Fault CH1x107 Fan board low voltage error CH1x108 Communication error outdoor unit fan CH1x109 Slave 1 high pressure switch error CH1x110 Slave 1 reverse phase error CH1x111 Slave 1 communication error Master Slave CH1x112 Master outdoor unit sensor uniform oil pipe temperature sensor error CH1x113 M...

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