LG MultiSITE CRC1 Remote Controller (PREMTBVCO)
Brand: LG
Model: PREMTBVCO
Manufacturer: LG Electronics
Overview
The LG MultiSITE CRC1 Remote Controller (Model: PREMTBVCO) is a sophisticated control device designed for managing LG's HVAC systems. It features a customizable color digital touch screen interface with multilingual support, offering intuitive control over various operational modes, temperature settings, fan speeds, and scheduling.
This controller supports both BACnet® MS/TP (default) and optional ZigBee Pro® wireless mesh network connectivity, allowing for seamless integration into building management systems.
Key Features
- Customizable color digital touch screen interface with Multilanguage support.
- BACnet® MS/TP communication protocol.
- Optional ZigBee Pro® Wireless network capability.
- Role-based configuration with password protection.
- Function code settings and search tool.
- Date and Time Display.
- Room temperature display.
- Operation control: On/Off.
- Mode selection: Auto, Cool, Dry, Heat, Fan Only.
- Adjustable Occupied and Unoccupied cooling/heating temperature setpoints.
- 7-day scheduling with mode customization.
- Adjustable fan speed: Auto, Low, Medium, High, Power.
- Adjustable discharge vanes: Auto, Swing, Fixed.
- Static pressure installer setting.
- Error code display for unit or system malfunctions.
Specifications
Electrical
Power Supply: 12VDC power from indoor unit
Surrounding Conditions
Temperature:
Operating: 32-122 °F
Storage: -22-122 °F
Humidity:
Storage: 0-95% RH (non-condensing)
Connectivity
LG Communications: 1 Channel/RS-485 V-Net
Protocols: BACnet® MS/TP (default model), ZigBee Pro® wireless mesh network (P) (optional)
Communications Cabling (V-Net)
| Attribute | Specification |
|---|---|
| Type | 3 conductor, stranded, twisted, unshielded |
| Size | AWG 22-3 |
| Length | Up to 164 ft |
AWG - American Wire Gage
Unit Data
| Attribute | Value |
|---|---|
| Dimensions | 4.72" H x 3.39" W x 1.06" D |
| Maximum Number of Indoor Units (per controller) | 16 |
Physical Description & Dimensions
The controller features a rectangular design with a prominent touch screen display on the front. The rear of the unit shows mounting points and a terminal block for wiring connections. The dimensions are 4.72 inches in height, 3.39 inches in width, and 1.06 inches in depth.
Controller Interface Elements
The controller's digital touch screen displays key information and provides access to functions:
- Current Date: Displays the current date (e.g., 09-26-2017).
- Occupancy Status: Indicates if the zone is 'Occupied (Occ)' or 'Unoccupied (Unocc)'.
- Room Indoor Temperature: Shows the current temperature of the indoor space (e.g., 74°F).
- Current Time: Displays the current time (e.g., 2:43 PM).
- Current Fan Speed Setting: Indicates the active fan speed.
- Operation Mode Status: Shows the current operating mode (e.g., Auto, Heat, Cool).
- On/Off Button: [power] icon to turn the display on or off.
- Operation Mode Button: [mode-select] icon to access and change the operating mode (Auto, Cool, Heat, Fan, Dry). A long press navigates to the full Operation Mode page.
- Schedule Button: [schedule] icon to set or view the weekly schedule.
- Up Arrow: [up-arrow] icon to raise the temperature setpoint.
- Down Arrow: [down-arrow] icon to lower the temperature setpoint.
- More Button: [more-options] icon to access less frequently used functions.
- Fan Speed Button: [fan-speed] icon to adjust fan speed (options include Slow, Low, Low-Med, Medium, Med-High, High, Power, Auto, depending on the Indoor Unit model). A long press in cooling mode activates 'Power Cooling' mode for 30 minutes.
- Short Network Message: Displays brief network status or messages.
Note: Icons are represented by descriptive text in brackets.
Terminal Connections
The controller features a terminal block for system connections. The typical indoor unit terminal assignments are:
| Terminal | Description |
|---|---|
| 4 (S) | Tx - Rx Communication |
| 5 (12V) | 12 Volts DC |
| 6 (G) | Common |
| 13 | BACnet+ |
| 14 | BACnet- |
| 15 | BACnet Common |
| 16, 17, 18 | Not used |
Note: Terminals 1, 2, and 3 are also unused.
BACnet® Monitor Points
The following points can be monitored via BACnet:
| Object Name | Object Type | Monitor Points Description |
|---|---|---|
| FilterAlarm_M | BI | Filter Alarm Status |
| RoomTemp | AV | Room Temperature |
| RoomHumidity | AV | Room Humidity (Only on model PREMTBVC1) |
| ODUsilentMode_M | BI | ODU Silent Mode Status |
| SmartLoadCtrl_M | BI | Smart Load Control Status |
| OccStatus_M | BI | Occupancy Status |
| MsgAddressLock_M | BV | Central Control Address Lock Status |
| ZB_Zone1IEEEaddrs_M | AI | Zigbee Zone1 Address |
| ZB_Zone2IEEEaddrs_M | AI | Zigbee Zone2 Address |
| ZB_Zone3IEEEaddrs_M | AI | Zigbee Zone3 Address |
| ZB_Zone4IEEEaddrs_M | AI | Zigbee Zone4 Address |
| ZB_Zone5IEEEaddrs_M | AI | Zigbee Zone5 Address |
| ZB_Zone6IEEEaddrs_M | AI | Zigbee Zone6 Address |
| ZB_Zone7IEEEaddrs_M | AI | Zigbee Zone7 Address |
| ZB_Zone8IEEEaddrs_M | AI | Zigbee Zone8 Address |
| ZB_Zone9IEEEaddrs_M | AI | Zigbee Zone9 Address |
| ZB_Zone10IEEEaddrs_M | AI | Zigbee Zone10 Address |
| CurrentErrorCode_M | AI | Current Error Code |
| PreviousErrorCode_M | AV | Previous Error Code |
| ErrorCode3_M | AV | Error Code3 |
| ErrorCode4_M | AV | Error Code4 |
| ErrorCode5_M | AV | Error Code5 |
| ErrorCode6_M | AV | Error Code6 |
| ErrorCode7_M | AV | Error Code7 |
| ErrorCode8_M | AV | Error Code8 |
| ErrorCode9_M | AV | Error Code9 |
| ErrorCode10_M | AV | Error Code10 |
| OldestErrorCode_M | AI | Oldest Error Code |
| FilterRemainTime_M | AI | Filter Time Remaining (Hours) |
| PipeInTemp_M | AI | Pipe In Temperature |
| PipeOutTemp_M | AI | Pipe Out Temperature |
| MiddlePipeTemp_M | AI | Middle Pipe Temperature |
| ODUgivenAddrs_M | AI | Assigned address by Outdoor Unit |
| ZB_NetworkStatus_M | MI | Zigbee Network Status |
| ZB_LowBattAlarm | BV | Global Zigbee Battery Sensor Alarm |
| ZB_Zone1Status_M | MI | Zigbee Zone1 Status |
| ZB_Zone2Status_M | MI | Zigbee Zone2 Status |
| ZB_Zone3Status_M | MI | Zigbee Zone3 Status |
| ZB_Zone4Status_M | MI | Zigbee Zone4 Status |
| ZB_Zone5Status_M | MI | Zigbee Zone5 Status |
| ZB_Zone6Status_M | MI | Zigbee Zone6 Status |
| ZB_Zone7Status_M | MI | Zigbee Zone7 Status |
| ZB_Zone8Status_M | MI | Zigbee Zone8 Status |
| ZB_Zone9Status_M | MI | Zigbee Zone9 Status |
| ZB_Zone10Status_M | MI | Zigbee Zone10 Status |
| ZB_Zone1BattStatus_M | MI | Zigbee Zone1 Battery Status |
| ZB_Zone2BattStatus_M | MI | Zigbee Zone2 Battery Status |
| ZB_Zone3BattStatus_M | MI | Zigbee Zone3 Battery Status |
| ZB_Zone4BattStatus_M | MI | Zigbee Zone4 Battery Status |
| ZB_Zone5BattStatus_M | MI | Zigbee Zone5 Battery Status |
| ZB_Zone6BattStatus_M | MI | Zigbee Zone6 Battery Status |
| ZB_Zone7BattStatus_M | MI | Zigbee Zone7 Battery Status |
| ZB_Zone8BattStatus_M | MI | Zigbee Zone8 Battery Status |
| ZB_Zone9BattStatus_M | MI | Zigbee Zone9 Battery Status |
| ZB_Zone10BattStatus_M | MI | Zigbee Zone10 Battery Status |
| ZB_Zone1PairingStatus_M | MI | Zigbee Zone1 Pairing Status |
| ZB_Zone2PairingStatus_M | MI | Zigbee Zone2 Pairing Status |
| ZB_Zone3PairingStatus_M | MI | Zigbee Zone3 Pairing Status |
| ZB_Zone4PairingStatus_M | MI | Zigbee Zone4 Pairing Status |
| ZB_Zone5PairingStatus_M | MI | Zigbee Zone5 Pairing Status |
| ZB_Zone6PairingStatus_M | MI | Zigbee Zone6 Pairing Status |
| ZB_Zone7PairingStatus_M | MI | Zigbee Zone7 Pairing Status |
| ZB_Zone8PairingStatus_M | MI | Zigbee Zone8 Pairing Status |
| ZB_Zone9PairingStatus_M | MI | Zigbee Zone9 Pairing Status |
| ZB_Zone10PairingStatus_M | MI | Zigbee Zone10 Pairing Status |
| PipeTempCnfg_M | MI | Pipe Temperature Configuration Status (Supported or Unsupported) |
| ODUstatus_M | MI | Outdoor Unit Status |
| ODUType_M | MI | Outdoor Type |
| IDUType_M | MI | Indoor Unit Type |
| MsgOverrideActive | BV | Override Status |
BACnet® Control Points
The following control points are available:
| Object Name | Object Type | Control Points Description |
|---|---|---|
| BACnetComAddr | AV | BACnet Communication Address |
| BACnetNetworkUnits | MV | SI or Imperial Setting |
| TempUnits | MV | Temperature Units Setting |
| DisplayTimeFormat | MV | Time Format Setting |
| DisplayColor | MV | Color Display Setting |
| DisplayUseStandbyScreen | MV | Standby Screen Setting |
| DisplayLanguage | MV | Language Display Setting |
| DisplayLowBacklight | AV | Display Backlight Setting (Low) |
| DisplayShowOnOff | MV | Show or Hide On/Off Setting |
| DisplayShowMode | MV | Show or Hide Mode Setting |
| DisplayShowSchedule | MV | Show or Hide Schedule Setting |
| DisplayShowMore | MV | Show or Hide More Setting |
| DisplayShowSetTemp | MV | Show or Hide Set Temperature Setting |
| DisplayShowSpaceTemp | MV | Show or Hide Space Temperature Setting |
| DisplayShowFanSpeed | MV | Show or Hide Fan Speed Setting |
| DisplayShowHumidity | MV | Show or Hide Humidity Setting (Only on model PREMTBVC1) |
| ForceHighBacklight | BV | Force Backlight |
| MsgShortScreenMsgTxt | CharString Value | Location Message (Displays message at bottom of screen) |
| MsgLongScreenMsgTxt | CharString Value | Description Message (Displays message on main screen) |
| FilterAlarmRelease | BV | Filter Alarm Reset |
| ConfigPassword | AV | Configuration Password (Password protects Installer Settings) |
| UserPassword | AV | User Password (Password protects all settings) |
| IDUonOff | MV | Indoor Unit On/Off Setting |
| SystemMode | MV | System Mode Setting |
| FanSpeed | MV | Fan Speed Setting |
| TempSenseLoc | MV | Temperature Sensing Location Setting |
| CoolingSP | AV | Cooling Setpoint Setting |
| HeatingSP | AV | Heating Setpoint Setting |
| CoolingSPMax | AV | Cooling Maximum Setpoint Setting |
| CoolingSPMin | AV | Cooling Minimum Setpoint Setting |
| HeatingSPMax | AV | Heating Maximum Setpoint Setting |
| HeatingSPMin | AV | Heating Minimum Setpoint Setting |
| MinDeadband | AV | Minumum Deadband Setting |
| SingleSP | AV | Single Setpoint Setting |
| SingleSetpointMax | AV | Single Setpoint Maximum Setting |
| SingleSetpointMin | AV | Single Setpoint Minimum Setting |
| AirflowUpDown | MV | Airflow Up/Down Setting |
| AirflowLeftRight | MV | Airflow Left/Right Setting |
| AirflowCircular | MV | Airflow Circular Setting |
| SingleDualSP | MV | Single or Dual Setpoint Setting |
| SingleSPdeadband | MV | Single Setpoint Deadband Setting |
| CntrlrOccSensor | MV | On-board Occupancy Sensor Enable/Disable (Only on model PREMTBVC1) |
| ControllerMinOccOnTime | MV | Minumum Occupancy Time Delay |
| MsgSetbackActive | BV | Setback Enable/Disable (Also displays message if setback is set to enable) |
| SetbackMode | MV | Setback Mode Setting |
| SetbackCoolingSP | AV | Cooling Setback Setpoint Setting |
| SetbackHeatingSP | AV | Heating Setback Setpoint Setting |
| SetbackFanSpeed | MV | Setback Fan Speed Setting |
| OverrideCoolingSP | AV | Cooling Override Setpoint Setting |
| OverrideHeatingSP | AV | Heating Override Setpoint Setting |
| OverrideMode | MV | Mode Override Setting |
| OverrideFanSpeed | MV | Fan Speed Override Setting |
| OverrideTimer | MV | Timer Override Setting |
| ZB_Zone1SnsrType | MV | Zigbee Zone1 Sensor Type Setting |
| ZB_Zone2SnsrType | MV | Zigbee Zone2 Sensor Type Setting |
| ZB_Zone3SnsrType | MV | Zigbee Zone3 Sensor Type Setting |
| ZB_Zone4SnsrType | MV | Zigbee Zone4 Sensor Type Setting |
| ZB_Zone5SnsrType | MV | Zigbee Zone5 Sensor Type Setting |
| ZB_Zone6SnsrType | MV | Zigbee Zone6 Sensor Type Setting |
| ZB_Zone7SnsrType | MV | Zigbee Zone7 Sensor Type Setting |
| ZB_Zone8SnsrType | MV | Zigbee Zone8 Sensor Type Setting |
| ZB_Zone9SnsrType | MV | Zigbee Zone9 Sensor Type Setting |
| ZB_Zone10SnsrType | MV | Zigbee Zone10 Sensor Type Setting |
| VTR815xAxxxx-250 | Enumerated Value | Reserved/Do Not Use |
| DisplayLongScreenMsg | BV | Reserved/Do Not Use |
Optional Accessories
- PZCWRCG3 - Group Control Cable Kit
- ZVRCZPWC1 - ZigBee Pro® Wireless Module
- ZVRCZDWS1 - Wireless Door Window Switch
- ZVRCZCOC1 - Wireless Ceiling Mounted Occupancy Sensor
- ZVRCZWOC1 - Wireless Wall Mounted Occupancy Sensor
- PZCWRC1 - Extension Cable (for IDUs without terminal blocks)
Notes
- Available functions/features may differ based on the connected system.
- Communication cable can be extended to a maximum of 164 feet.
- Up to 10 door/window switches and ceiling/wall mounted sensors can be connected to the MultiSITE CRC1 Remote Controller.
- Must follow installation instructions in the applicable LG installation manual.
