LG Low Ambient Control Kit Installation Manual Download | Manualshive

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P/NO : MFL42540228

www.lg.com

INSTALLATION MANUAL

• 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.

❈

PRVC2 is available only for the Multi-V IV model

(PRVC2 can not be installed for the previous Multi-V IV model)

MODEL : PRVC2

Low Ambient Control Kit

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Summary of Contents for Low Ambient Control Kit

Page 1: ...on 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 PRVC2 is available only for the Multi V IV model PRVC2 can not be installed for the previous Multi V IV model MODEL PRVC2 Low Ambient Control Kit ...

Page 2: ...10 Setting and Using Method 12 1 Wiring Diagram 12 2 Power Source Input 13 3 IO Module Low Ambient Kit Function 15 4 IO Module Other Function 16 5 Wiring for Damper Actuator 19 6 Setting of Outdoor Unit Dip Switch 22 Installation Method of Snow Hood and Air Damper 23 1 One Unit with Snow Hood and Air Damper 23 2 Two and Three Units with Snow Hood and Air Damper 24 3 Unit Placement and Clearances 2...

Page 3: ...ath 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 manual 3 Safety Precautions 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 shop Ca...

Page 4: ...t 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 product...

Page 5: ...t 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 Caus...

Page 6: ...Accessory Parts 6 Low Ambient Control Kit Accessory Parts IO Module Bracket 1 Terminal Block 2EA Bracket 2 Screw 9EA Manual Cable 3EA Tie 2EA Transformer Clamp ...

Page 7: ...r unit SW104 Rotary Switch for setting Demand control step Digital Output Operating Error status Relay output 250V 1A SW102 Switch for setting internal function Digital Input Dry contact input Analog Input DC0 10V Analog signal input Analog Output DC0 10V Analog signal output SW103 Reset Switch SW101 Dip Switch for setting operating function ...

Page 8: ...eparate front panel from outdoor unit Separate front cover of control box Assemble IO Module and bracket Connect the connection wires according to the instructions Please refer to Setting and Using Method ڸ ڹ ں ڻ Main board connector CAUTION Be sure to turn off outdoor unit power before installation ...

Page 9: ...Installation Method Installation manual 9 Fix and fasten components and cables Perform the switch setting according to the instructions ...

Page 10: ...former to the Main PCB JIG_L Connect the red cable of transformer to the terminal block 2Pin Yellow terminal block Connect a power cable DC 12V to CN101 12V GND of IO Module Connect the black cable of Damper Actuator to the terminal block and connect the cable of IO Module CN1_A0 GND A to the black cable of Damper Actuator Connect the red cable of Damper Actuator to CN1_A0 A0_1 A of IO Module Set ...

Page 11: ...Setting and Using Method Installation manual 11 Using the Clamp and Tie fasten the Damper Actuator output cable and Trans output cable as below Actuator Wire ...

Page 12: ...Setting and Using Method 12 Low Ambient Control Kit 1 Wiring Diagram Setting and Using Method ...

Page 13: ...ommand from DDC Vs Command from LG central controller Close Central controller has priority to external signal Open External signal has priority to central controller Analog input part Connect Analog input signal for demand control 10 step Analog output part Connect Analog output signal for controlling third party devices Ex Valve actuator for variable water flow Damper actuator for Low Ambient Ki...

Page 14: ... Current capacity of power line Spacing 100V or more 10A 11 13 16 in 300 mm 50A 19 11 16 in 500 mm 100A 39 3 8 in 1 000 mm Exceed 100A 59 3 64 in 1 500 mm Notes If the power supply waveform continues to exhibit some distortion the recommended spacing in the table should be increased If the lines are laid inside conduits then the following point must also be taken into account when grouping various...

Page 15: ...4 L1 ON 2 SW102 SW101 Notes Default status is all off CAUTION If the Dip SW is set IO module System is operating preferentially than outdoor unit setting After change Dip SW setting press reset switch to reflect the setting Position Setting of Dip Switch ON L1 2 3 4 SW101 L1 ON L2 ON L3 OFF L4 OFF ON L1 2 SW102 L1 OFF L2 OFF 3 IO Module Low Ambient Kit Function ...

Page 16: ...ect the setting Position Function ON L1 2 3 4 ON Enable Low Noise Operation OFF Disable Low Noise Operation Position Function ON L1 2 3 4 ON Activate Digital Output according to Indoor Unit status OFF Activate Digital Output according to Outdoor Unit status L4 Set Operating status output L3 Set Low Noise Operation This is a function driving outdoor unit fan RPM to operate low speed for reducing fa...

Page 17: ...tput value setting L1 L2 setting value of 4pin Dip SW OFF Follow minimum Analog output value setting L1 L2 setting value of 4pin Dip SW L2 Set Analog output Range Basically this module keeps a minimum Analog output voltage refer to L1 L2 setting of SW101 to prevent unexpected accident When you need to use 0 10V full range L2 should be set as ON L1 Set Analog output default value when Communication...

Page 18: ...kly Keep the command 30 seconds at least otherwise it will cause a damage to outdoor unit Operation rate condition Cooling Outdoor 35 C Indoor 27 C Heating Outdoor 7 C Indoor 20 C The tolerance of the operation rate can be cause by combination of outdoor unit operating condition installation circumstance When operation rate is 100 Target Evaporating Temp and Target Condensing Temp can be changed b...

Page 19: ...mper Actuator Notes Damper Actuator can accept only DC 24V power input Do not input AC power Otherwise it will cause a serious damage The IO Module can control maximum three actuators Case of one valve the slave signal connector must not use The power AC DC 24V and signal DC 0 10V line is recommended by AWG22 1 32 in 0 644 mm 0 016 Ω ft 0 053 Ω m 1 Unit BL Blue BR Brown RD Red BK Black WH White GR...

Page 20: ...D RD BK RD Damper Actuator Notes Damper Actuator can accept only DC 24V power input Do not input AC power Otherwise it will cause a serious damage The IO Module can control maximum three actuators Case of one valve the slave signal connecter must not use The power AC DC 24V and signal DC 0 10V line is recommended by AWG22 1 32 in 0 644 mm 0 016 Ω ft 0 053 Ω m 2 Unit ...

Page 21: ... BK RD Damper Actuator Damper Actuator Notes Damper Actuator can accept only DC 24V power input Do not input AC power Otherwise it will cause a serious damage The IO Module can control maximum three actuators Case of one valve the slave signal connecter must not use The power AC DC 24V and signal DC 0 10V line is recommended by AWG22 1 32 in 0 644 mm 0 016 Ω ft 0 053 Ω m 3 Unit ...

Page 22: ...ion using Button Fn10 or Fn11 Push the Confirm button Low Ambient Kit mode is set If you want to stop the Low Ambient Kit mode refer to the following Dip Switch No 5 On Func Fn10 Off Select the Function using Button On Push the Confirm button DIP SWITCH 7 Segment SW01C confirm SW02C backward forward SW04C X cancel SW01D reset SW03C ȭ ȯ Ɨ Fn10 Model ARUB BTE4 ARUB DTE4 ARUB LTE4 Fn11 Model ARUN BTE...

Page 23: ...Installation Method of Snow Hood and Air Damper Installation manual 23 1 One Unit with Snow Hood and Air Damper Installation Method of Snow Hood and Air Damper One Unit with Snow Hood and Air Damper ...

Page 24: ...tallation Method of Snow Hood and Air Damper 24 Low Ambient Control Kit 2 Two and Three Units with Snow Hood and Air Damper Two Units with Snow Hood and Air Damper Three Units with Snow Hood and Air Damper ...

Page 25: ...d from prevailing winds shown below In high wind locations it may be advisable to locate the units within a walled area Top View Prevailing wind Building Wall Outdoor Unit H discharge of air damper 2 If the units are surrounded by an enclosure the discharge of the air damper must direct the air out and over the enclosure walls to prevent air recirculation ...

Page 26: ...of Snow Hood and Air Damper 26 Low Ambient Control Kit 3 When the distance is less than 7 7 8in 200mm between outdoor units do not necessary installation of side Snow Hood as below 7 7 8in 200mm 7 7 8in 200mm 7 7 8in 200mm ...

Page 27: ...Installation Method of Snow Hood and Air Damper Installation manual 27 4 If units are placed further than 7 7 8in 200mm apart additional snow hoods may be required ...

Page 28: ...Installation Method of Snow Hood and Air Damper 28 Low Ambient Control Kit ...

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