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Installation Manual

Due to our policy of continuous product innovation, some specifications may change without notification.  

©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.

WIRING FOR MS8650

13  14  15  16  17  18

7    8    9   10  11  12

VT8600

BO 1 - 

Aux

BO 2 - 

Y2

BO 3 - 

Y1

BO 4 - G

RC (24 V

ac)

C (Common)

RH

BO 8 - W1

UO 9 - W2

UO 10 - Econo

UO 1

1 - Heat

UO 12 

- 

Dehum

BACnet  

+

BACnet  

-

BACnet REF

UI 16

UI 17

Common

UI 19 - CO2

UI 20 - RS

Common

UI 22 - SS

UI 23 - OS

UI 24 - 

Airflow

RTU: 2 Cooling Stages / Modulating Heat

19  20  21  22  23  24

1     2    3    4    5    6

0-10 Vdc

24 V

ac

ECONO

C       R       G       Y1     Y2

C R

CO2

TRANSMITTER

(0-10 Vdc)

OUT

C                               OUT
R                        

               

AIR FLOW

MEASURING STATION 

(0-10 Vdc) 

FILTER

DPS

SAT

SENSOR

OAT

SENSOR

Mod. Heat

(0-10 Vdc)

Figure 10: Wiring - Rooftop Unit: Two (2) Cooling Stages / Modulating Heat.

Summary of Contents for MultiSITE MS8000 Series

Page 1: ...odel No VUCQMS8350 Commercial and Hotel HVAC Fan Coil Controller MS8650 Model No VUCQMS8650 Rooftop Unit Heat Pump and Indoor Air Quality Controller MultiSITE MS8000 Series Room Controllers INSTALLATION MANUAL ...

Page 2: ...or proper installation For more technical materials such as submittals engineering databooks and catalogs visit www lghvac com For continual product development LG Electronics U S A Inc reserves the right to change specifications without notice LG Electronics U S A Inc This document as well as all reports illustrations data information and other materials are the property of LG Electronics U S A I...

Page 3: ...4 6 Introduction 7 Choosing a Location 8 9 Cleaning the Controller 10 Installation for MS8350 and MS8650 11 Terminal Identification and Function for MS8350 12 Terminal Identification and Function for MS8650 13 Wiring for MS8350 14 15 Wiring for MS8650 16 18 Home Screen Display for MS8350 and MS8650 19 Set Up Screen For MS8350 and MS8650 20 Power Outage Clock Reset 21 Main Specifications for MS8350...

Page 4: ...injury or death Disconnect power before installing or servicing the unit There is risk of physical injury or death due to electric shock Properly size all circuit breakers or fuses There is risk of fire electric shock explosion physical injury or death Do not share the electrical circuit with other devices There is risk of fire electric shock physical injury or death due to heat generation Do not ...

Page 5: ...ysical injury or death Dispose of any packing materials safely Packing materials such as nails and other metal or wooden parts will cause puncture wounds or other injuries Tear apart and throw away plastic packaging bags so that children may not play with them and risk suffocation and death Do not install the controller if it will be exposed to rain or other precipitation Do not install the unit i...

Page 6: ...nce Do not spill water or other liquid on the inside of the con troller Do not drop the controller into water If the unit is immersed in water or other liquid contact your local autho rized LG distributor for support There is risk of unit failure or degraded performance This device is only intended for use as a monitoring and control device It is not a safety device Do not use it for any other pur...

Page 7: ...ommand is received Room temperature display On Off Operation Auto Cool Heat Fan Only Modes Occupied cooling and heating temperature setpoints Unoccupied cooling and heating temperature setpoints 7 day scheduling with mode Error code display during unit or system malfunction MS8650 Controllers For Rooftop Unit Heat Pump and Indoor Air Quality Applications Features Auto On Smart Fan Speeds Low volta...

Page 8: ...hnician should always install the controller following local national and federal electrical codes industry best practices the instructions in this manual and using the proper tools and test instruments Failure to carefully read and follow all instructions will result in equipment malfunction controller and property damage and will void the manufac turer s warranty This device is only intended for...

Page 9: ...abel wires before removing Ensure the wall surface is flat and clean Ensure the controller has sufficient natural air circulation Ensure the external thermal sensor wiring is away from electrical sources Install the controller four to five 4 to 5 feet 1 2 to 1 5m above the floor Do Not s Do not install the controller In drafts or dead spots behind doors and corners In areas subjected to hot or col...

Page 10: ...w it to come into contact with liquids There is risk of equipment damage and it will void the manufacturer s warranty Do not use a damaged device such as one with a cracked screen Performance can be affected if the glass on the screen is broken and it will void the manufacturer s warranty Use a soft pre moistened lint free cloth for cleaning Avoid getting moisture in openings If moisture accesses ...

Page 11: ...base faces up 5 Pull cables six 6 inches 15cm out from wall 6 Align base and mark location of two mounting holes on wall Figure 2 7 Install anchors in wall 8 Insert cable in central hole of base 9 Insert screws in mounting holes on each side of base 10 Strip each wire 1 4 inches 0 6cm from end 11 Insert each wire and screw according to wiring chart see following pages 12 Gently push excess wiring ...

Page 12: ...sor 23 UI23 Not used 24 UI24 Not used Terminal Identification for a Three Speed Fan System TERMINAL IDENTIFICATION AND FUNCTION FOR MS8350 Table 1 Terminal Identification and Function for a Three Speed Fan Type System Terminal Identification for an Electronically Commutated Motor ECM Fan System Control Type On Off Floating Analog 1 BO1 Normally Close Heat Valve Close Heat valve Not used 2 BO2 Not ...

Page 13: ...ir Quality Heat Pump and Rooftop Unit Internal Temperature X 1 BO1 Aux 2 BO2 Y2 3 BO3 Y1 4 BO4 G 5 RC RC 24 Vac 6 C Common 7 RH RH 8 BO8 W1 9 UO9 W2 OB 10 UO10 Econo 0 10 Vdc 11 UO11 Heat 0 10 Vdc 12 UO12 Dehumidification output 24 Vac On Off 13 RS485 BACnet 14 RS485 BACnet 15 RS485 Ref BACnet Ref 16 UI16 UI16 multifunction input 17 UI17 UI17 multifunction input 18 Scom Common 19 UI19 CO2 0 10 Vdc...

Page 14: ...Electrical Code and the instructions given in this manual If the power source capacity is inadequate or the electric work is not performed properly it may result in fire electric shock physical injury or death HIGH HIGH MED LOW LOW HIGH HIGH HIGH MED LOW LOW HIGH 3 Speed 2 Speed Single Speed 24 Vac Transformer Power and Fan Figure 7 Wiring ECM Motor Power and Fan Relay Coil Wiring ECM Motor BO4 Fa...

Page 15: ...c Com 24 Vac 0 10Vdc Com 24 Vac 0 10Vdc Com Open Close Com Open Close Floating Control 2 Pipe Applications 4 Pipe Applications Heating Cooling valve UO11 UO9 RC 24 Vac C Common Com Open Close Com 24Vac 0 10Vdc Com 24 Vac 0 10Vdc Com 24 Vac 0 10Vdc Com 24Vac Com 24Vac Com Open Close Com Open Close Heating valve Cooling valve UO12 UO10 UO11 UO9 RC 24 Vac C Common Com Open Close Com 24Vac 0 10Vdc Com...

Page 16: ...4 G RC 24 Vac C Common RH BO 8 W1 UO 9 W2 UO 10 Econo UO 11 Heat UO 12 Dehum BACnet BACnet BACnet REF UI 16 UI 17 Common UI 19 CO2 UI 20 RS Common UI 22 SS UI 23 OS UI 24 Airflow RTU 2 Heating Stages 2 Cooling Stages 13 14 15 16 17 18 7 8 9 10 11 12 19 20 21 22 23 24 1 2 3 4 5 6 BO 1 Aux ECONO W2 W1 C R G Y1 Y2 C R CO2 TRANSMITTER 0 10 Vdc OUT C OUT R AIR FLOW MEASURING STATION 0 10 Vdc FILTER DPS...

Page 17: ...BO 1 Aux BO 2 Y2 BO 3 Y1 BO 4 G RC 24 Vac C Common RH BO 8 W1 UO 9 W2 UO 10 Econo UO 11 Heat UO 12 Dehum BACnet BACnet BACnet REF UI 16 UI 17 Common UI 19 CO2 UI 20 RS Common UI 22 SS UI 23 OS UI 24 Airflow RTU 2 Cooling Stages Modulating Heat 19 20 21 22 23 24 1 2 3 4 5 6 0 10 Vdc 24 Vac ECONO C R G Y1 Y2 C R CO2 TRANSMITTER 0 10 Vdc OUT C OUT R AIR FLOW MEASURING STATION 0 10 Vdc FILTER DPS SAT ...

Page 18: ...mmon RH BO 8 W1 UO 9 O B UO 10 Econo UO 11 Heat UO 12 Dehum BACnet BACnet BACnet REF UI 16 UI 17 Common UI 19 CO2 UI 20 RS Common UI 22 SS UI 23 OS UI 24 Airflow 13 14 15 16 17 18 7 8 9 10 11 12 19 20 21 22 23 24 1 2 3 4 5 6 ECONO O W C R G Y1 Y2 C R CO2 TRANSMITTER 0 10 Vdc OUT C OUT R AIR FLOW MEASURING STATION 0 10 Vdc FILTER DPS SAT SENSOR OAT SENSOR HPU 2 Compressors Auxiliary Heat and Econom...

Page 19: ... policy of continuous product innovation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG Life s Good is a registered trademark of LG Corp Home Screen Display User HMI is configurable and allows display functions such as Date Time Humidity Outdoor Temperature Setpoint and others to be enabled or disabled by setting various para...

Page 20: ...nfiguration installer password is activated to prevent unauthorized access to the configuration menu parameters a password entry prompt shows to prevent access to device configuration components For more information on using and configuring the functions of the HMI refer to the LG MultiSITE MS8000 Series Room Controller User Manual Enter BACnet and ZigBee Network Settings Enter Parameter Configura...

Page 21: ...ng on the duration of the power outage the Room Controller internal clock may need to be updated or reset completely The follow ing table gives an indication of the expected clock performance after a power outage Table 4 Controller Clock Operation After a Power Outage Outage Duration Controller Operation 0 24 hours Clock functions are normal 24 36 hours Clock accuracy not guaranteed time may need ...

Page 22: ...rated Humidity Sensor and Calibration Single point calibrated bulk polymer type sensor Humidity Sensor Precision Reading range from 10 90 R H non condensing 10 to 20 precision 10 20 to 80 precision 5 80 to 90 precision 10 Humidity Sensor Stability Less than 1 0 yearly typical drift Dehumidification Setpoint Range 30 to 95 R H Occ Unocc and Standby Cooling Setpoint Range 54 F to 100 F 12 0 C to 37 ...

Page 23: ...Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a...

Page 24: ...New Issue IM_MultiSITE_RoomControllers_MS8000Series_10_19 LG Electronics U S A Inc Air Conditioning Technologies 4300 North Point Parkway Alpharetta Georgia 30022 www lghvac com ...

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