LG PDRYCB300 Installation Manual Download Page 20

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Dry contact for thermostat

Setting and using method

6. Indoor unit monitoring

■

Monitoring whether the indoor unit is operating: Refer to
below and connect to the control device that you want to
control.

CHANGEOVER_SW

RESET_SW

CN_Ther/Oper

CN_MODE

CN_WIND

CN_INDOOR

DISPLAY_LED

TEMP_SW

SETTING_SW

CN_OUT

CN_PI485

CHANGEOVER_SW

RESET_SW

CN_Ther/Oper

CN_MODE

CN_WIND

CN_INDOOR

DISPLAY_LED

TEMP_SW

SETTING_SW

CN_OUT

CN_PI485

Error Display

Field Supply

(Depends on Operation display power type)

Power

AC or DC

Field Supply

(Depends on Error display power type)

Power

AC or DC

Operation Display

Field supply power should not use more than DC 12 V(3A), 24 V~(3A)

■

Monitoring indoor unit error: Refer to below and connect to
the control device that you want to control.

Summary of Contents for PDRYCB300

Page 1: ...e 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 Dry Contact For Thermostat PDRYCB300 INSTALLATION MANUAL AIR CONDITIONER P NO MFL69265517 ENGLISH ...

Page 2: ...Safety Precautions 3 5 Name of each part 6 Installation Method 7 8 Installation 7 Setting and using method 9 20 1 Power supply and indoor unit connection 9 2 Setting of Contact Signal Input 10 3 Setting of SETTING_SW 11 4 Setting of TEMP_SW 14 5 Installation of thermostat 15 6 Indoor unit monitoring 20 ...

Page 3: ...N This symbol indicates the possibility of death or serious injury This symbol indicates the possibility of injury or damage Be sure not to do Be sure to follow the instruction WARNING Installation Service Center Service Center Don t touch with the hands while the power is on Cause fire electric shock explosion or injury Product installation must be referred to a service center or installation sho...

Page 4: ...ot withstand the weight of the product The product may get damaged or may break Do not install the product to a place that generates oil steam salt sulfuric gas etc Cause the product s deformation or failure Use standardized Product Cause product failure Do not change or extend power lines arbitrarily Cause fire or electric shock Do not give a shock to the product If you give a shock to the produc...

Page 5: ...roduct under the guardian s supervision Cause accidents and product failures Do not use for special purpose place such as conserving flora and fauna precision instruments art Otherwise it can cause property damage Remove the power plug when cleaning Cause fire or electric shock Do not place heavy objects on the power line Cause fire or electric shock Do not disassemble repair or modify the product...

Page 6: ... TEMP_SW Switch to set the desired temperature of the indoor unit 6 SETTING_SW Switch to select whether to use set function of Dry contact 7 CN_Ther oper Input terminal for thermo operation signal 8 CN_MODE Input terminal for Mode signal 9 CN_WIND Input terminal for Wind signal 10 DISPLAY_LED LED to display the status of Dry contact Module 11 RESET_SW Reset switch DRY CONTACT FOR THERMOSTAT 8 9 10...

Page 7: ...t 2 Position the rear case to the direction towards to the connector for convenient cable arrangement 3 Secure the rear case on the installation place using the supplied fixing screws 4 Remove knock out shapes on the rear case 4 sided according to the connector s size and direction ENGLISH Installation Method ...

Page 8: ...er to the instruction and set up description 7 Tighten the fixing screws on the top and bottom of the case 1 Install the product on flat surface and install anchoring screws at more than 2 places Otherwise the central controller may not be anchored properly 2 Do not tighten anchoring screws too tightly It may cause deformation of the case 3 Do not deform the case at random It may cause malfunction...

Page 9: ... indoor unit connection After change any Dry contact setting then you must press RESET switch to reflect the setting When using the Dry contact for communication independently Indoor unit PCB CHANGEOVER_SW RESET_SW CN_Ther Oper CN_MODE CN_WIND CN_INDOOR DISPLAY_LED TEMP_SW SETTING_SW CN_OUT CN_PI485 ...

Page 10: ... NOT USE CHANGE OVER_SW VOLT NON VOLT Connect separate External voltage of DC 12 V 24 V jvtt v jvtt mhu olh jvvs sv tpkksl opno COMM Themal Operation COMM FAN HEAT COOL LOW MIDDLE HIGH Thermostat LG does not supply this section Field supply Thermostat LG does not supply this section Field supply CHANGEOVER_SW RESET_SW CN_Ther Oper CN_MODE CN_WIND CN_INDOOR DISPLAY_LED TEMP_SW SETTING_SW CN_OUT CN_...

Page 11: ...Desired Temperature 18 in cooling mode Desired Temperature 30 in heating mode No function in FAN mode 3 Enable CN_MODE signal Operation mode Cool Heat Fan signal enable 4 Enable Thermostat priority control mode Indoor s remote controller signal will be disregarded No WIND Signal en disable Thermal en disable Oper Mode en disable Dry Contact Control Priority 0 Disable Disable Disable Disable 1 Disa...

Page 12: ...Use Thermal function Use Operation mode Switch 8 Set the switch 8 B Set the switch 8 9 Set the switch A B Set the switch C D Set the switch E F Switch 9 Switch A Switch B Switch C Switch D Switch E Switch F Set the switch C F Use Operation mode YES YES NO YES NO NO YES NO YES NO YES NO NO YES YES Use Dry Contact Control Priority Use Dry Contact Control Priority Use Dry Contact Control Priority Use...

Page 13: ...ND SETTING_SW 85 SETTING_SW COMM Themal Operation COMM FAN HEAT COOL LOW MIDDLE HIGH SETTING _SW CN_MODE input Function FAN HEAT COOL 2 3 6 7 A B E F 0 0 0 NA 0 0 1 COOL 0 1 0 HEAT 0 1 1 NA 1 0 0 FAN 1 0 1 NA 1 1 0 NA 1 1 1 NA Others NA SETTING _SW CN_WIND input Function Low Middle High 8 9 A B C D E F 0 0 0 NA 0 0 1 High 0 1 0 Middle 0 1 1 NA 1 0 0 Low 1 0 1 NA 1 1 0 NA 1 1 1 NA Others NA SETTING...

Page 14: ...tact module s desired temperature set the desired temperature according to the TEMP_SW setting If Thermostat priority control mode is disabled the desired temperature can be reset by other controller Use the TEMP_SW to set the temperature as shown below TEMP C TEMP SW setting Not use Dry Contact module s Desired temp function 0 18 19 20 21 22 1 2 3 4 5 TEMP C TEMP SW setting 23 24 25 26 27 28 29 3...

Page 15: ...nable 2 Heat Pump Thermostat_O Terminal Disable 3 Enable 4 Heat Pump Thermostat_B Terminal Disable 5 Enable 1 When interlocking with thermostat set TEMP_SW to F 2 Enable CN_WIND signal Amount of wind flow Low Middle High signal enable Notes Information of SETTING_SW is sensed only initial step by Dry contact module therefore once the configuration changed Reset of Dry contact module is required Af...

Page 16: ...or unit is enabled Otherwise Indoor unit is disabled 2 In case of Emergency Stop or Security option When emergency condition occurs Indoor unit is disabled Otherwise Indoor unit is enabled Reference Cases CHANGEOVER_SW RESET_SW CN_Ther Oper CN_MODE CN_WIND CN_INDOOR DISPLAY_LED TEMP_SW SETTING_SW CN_OUT CN_PI485 C 24 V H N R Security Emergency Stop Occupancy Sensor ...

Page 17: ...at LG does not supply this section Field supply CHANGEOVER_SW RESET_SW CN_Ther Oper CN_MODE CN_WIND CN_INDOOR DISPLAY_LED TEMP_SW SETTING_SW CN_OUT CN_PI485 LOW MIDDLE HIGH H H N H H Operation FAN HEAT COOL COMM C 24 V R G W Y For conventional thermostat signal input Thermostat Fan System Switch Input IDU Response Mode Thermal Fan FAN Auto On MODE Cool Heat Off Operation FAN G HEAT W COOL Y 0 Disa...

Page 18: ... 0 1 Cool On On RT SP 1 0 0 1 Enable Heat RT SP 1 1 0 0 Heat On On RT SP 1 0 0 0 Enable ON FAN 1 0 1 0 Fan Off On Cool RT SP 1 1 1 1 Cool On On RT SP 1 0 1 1 Fan Off On Heat RT SP 1 1 1 0 Heat On On RT SP 1 0 1 0 Fan Off On Notes Thermostats that close contacts O or B during Cool or Heat call only have not been verified O and or B contact closure must be maintained during respective cycle mode sel...

Page 19: ... 0 0 Cool On On RT SP 1 0 0 0 Enable Heat RT SP 1 1 0 1 Heat On On RT SP 1 0 0 1 Enable ON OFF 1 0 1 0 Fan Off On Cool RT SP 1 1 1 0 Cool On On RT SP 1 0 1 0 Fan Off On Heat RT SP 1 1 1 1 Heat On On RT SP 1 0 1 1 Fan Off On Notes Thermostats that close contacts O or B during Cool or Heat call only have not been verified O and or B contact closure must be maintained during respective cycle mode sel...

Page 20: ...D TEMP_SW SETTING_SW CN_OUT CN_PI485 CHANGEOVER_SW RESET_SW CN_Ther Oper CN_MODE CN_WIND CN_INDOOR DISPLAY_LED TEMP_SW SETTING_SW CN_OUT CN_PI485 Error Display Field Supply Depends on Operation display power type Power AC or DC Field Supply Depends on Error display power type Power AC or DC Operation Display Field supply power should not use more than DC 12 V 3A 24 V 3A Monitoring indoor unit erro...

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