Schneider Electric VTR8300 Series, VT8300 Series Application Information

Fan Coil Unit Application Guide
VTR8300/VT8300 Series Room Controllers
2
Viconics Technologies Inc.
028-0444-01 Ap ri l 2015
Fan Coil Unit Controller SeriesApplication Guide
VTR8300 AND VC3000 | LINE-VOLTAGE FAN COIL ROOM CONTROLLERS AND RELAY PACKS
This new cost-effective solution for upgrading line-voltage fan coil unit thermostats requires only two components; the VTR8300 Room Controller and the VC3000 Relay Pack. This solution allows existing line voltage wiring between the fan coil unit and temperature controller to be re-used, thereby reducing overall costs and installation time.
The VC3000 Relay Pack features an onboard universal voltage power supply and line-voltage relays which directly drive fractional horsepower fan motors and valves. This eliminates the need to install and wire costly pilot relays and transformers. The Relay Pack is not required for the VT8300 Series models.
Power
Part Number Description Humidity Onboard
PIR
VTR8300A5000B
BACnet® fan coil Room Controller
No No BACnet
Communication
®
VTR8300A5500B
VTR8350A5000B
VTR8350A5500B
VTR8350A5000BLTD
BACnet® fan coil Room Controller
BACnet® fan coil Room Controller
BACnet® fan coil Room Controller
BACnet® fan coil Room Controller
Transformer Relay Packs for VTR8300 Series
Power
Part Number Description
VC3500E5000 Transformer relay pack five relay fan outputs
VC3504E5000 Transformer relay pack five relay fan outputs, and four inputs
VC3514E5000 Transformer relay pack five relay outputs, smart VDC OCC output, and four inputs
VC3400E5000 Transformer relay pack four relay outputs and smart VDC output
VC3404E5000 Transformer relay pack four relay outputs, smart VDC output, and four inputs
VC3300E5000 Transformer relay pack three relay fan outputs
ZigBee Pro Module for VT(R)8300 Series
Part Number Description
Power
VCM8000V5000P Optional ZigBee Pro module for VT8300 Series room controllers.
No Yes BACnet
Yes No BACnet
Yes Yes BACnet
Yes No BACnet
®
®
®
®
© 2015 Viconcis Technologies. All rights reserved.
Fan Coil Unit Controller SeriesApplication Guide
Viconics Technologies Inc.
028-0444-01 Ap ri l 2015
VT8300 LOW-VOLTAGE 24 VAC FAN COIL ROOM CONTROLLERS
This new cost-effective solution for upgrading low-voltage fan coil unit thermostats requires only the VT8300 Room Controller.
The VT8300 Room Controller can also be used along with a SC1300 or SC2300 Relay Pack for mixed-voltage solutions, when control of both line-voltage and low-voltage end devices is required.
Commercial and Hospitality Interface (Local Override and Degrees C/F Selection)
Power
Part Number Description Humidity PIR
Sensor
VT8300
U5000B
BACnet® fan coil Room Controller
No No BACnet
Communication
®
3
VT8300U5500B
VT8350U5000B
VT8350U5500B
BACnet® fan coil Room Controller
BACnet® fan coil Room Controller
BACnet® fan coil Room Controller
Mixed-voltage Relay Packs for VT8300 Series
Part Number Description
VC1300E5000
VC2300E5000
3 on/off outputs, 110/130V 3 speed
3 on/off outputs, 220/240V 3 speed
Wireless Accessories for VT(R)8300 Series
Power
Part Number Description
SED-DOR-P-5000 Wireless door switch
SED-WIN-P-5000 Wireless window switch
SED-CMS-P-5045 Wireless ceiling mounted motion sensor
No Yes BACnet
Yes No BACnet
Yes Yes BACnet
®
®
®
SED-WDS-P-5045 Wireless window and door switch
SED-WMS-P-5045 Wireless wall mounted motion sensor
© 2015 Viconcis Technologies. All rights reserved.
4
Viconics Technologies Inc.
028-0444-01 Ap ri l 2015
Fan Coil Unit Controller SeriesApplication Guide
VTR83X0A5X00B WITH VC3500E5000 RELAY AND VCM8000V5000P ZIGBEE PRO MODULE: HEATING/ COOLING 4-PIPE FAN COIL UNIT WITH 3-SPEED FAN AND 2-POSITION VALVES WITH WIRELESS DOOR SWITCH
VTR8300
Onboard PIR Sensor
AND / OR
OR*
Fan
Airflow Direction
Cooling Coil
2 POSITION
COOLING VALVE
VC3500E5000
Heating Coil
2 POSITION
HEATING VALVE
Door Switch
SED-DOR-P-5000
Wired Remote PIR Sensor
Wireless Remote PIR Sensor
Configuration Parameter Name
Fan Menu L-M-H-A Fan cont. heat. On BI1 Motion NO or Motion NC (remote PIR sensor only) BI2 Door Dry Pulsed heating Off Pipe no. 4 Seq. operation Ht - Cl
* Wired remote sensor cannot be used at the same time as wireless remote sensor(s).
Configuration Settings
© 2015 Viconcis Technologies. All rights reserved.
Fan Coil Unit Controller SeriesApplication Guide
Viconics Technologies Inc.
028-0444-01 Ap ri l 2015
VTR8300
7 VDC
Tx / Rx
Com
1
2
3
5
VC3500E5000
Tx/Rx
7 Vdc
Com
BACnet+
BACnet-
BACnet REF
UI 16 - BI1
UI 17 - BI2
SCom
Sequence of Operation and Wiring
Occupied Mode
Setpoints revert to those defined by occupied cooling and heating.
Stand-by Mode (only available when PIR motion detector sensor is used)
Setpoints revert to those defined by stand-by cooling and heating.
Unoccupied Mode
Setpoints revert to those defined by unoccupied heating and cooling.
Occupied Override Mode
System reverts to occupied mode for duration determined by “ToccTime” parameter.
On Call for Cool
Cooling valve opens to maintain room temperature. Heating valve closed.
On Call for Heat
Heating valve opens to maintain room temperature. Cooling valve closed.
Wireless Door Switch
Wireless door switch automatically toggles occupancy.
Options
Wireless adapter modules for BACnet models are available. (see Appendix B for network wiring).
Can be configured for 2-pipe systems (without changeover).
Binary inputs can be configured to control occupancy via door
or window contact, remote motion sensor, or remote night setback.
© 2015 Viconcis Technologies. All rights reserved.
6
Viconics Technologies Inc.
028-0444-01 Ap ri l 2015
Fan Coil Unit Controller SeriesApplication Guide
VTR83X0A5X00B WITH VC3404E5000 RELAY: COOLING AND ELECTRIC HEAT 2-PIPE FAN COIL UNIT WITH 3-SPEED FAN, DEHUMIDIFICATION AND 2-POSITION VALVES
VTR8300
Configuration parameter name
Fan
Airflow Direction
Cooling Coil Electric Heating
2 POSITION
COOLING VALVE
VC3404E5000
Configuration settings
SSR
SOLID STATE RELAY
(GENERIC)
Fan menu L-M-H-A Fan cont. heat On Pulsed heating On Pipe no. 2 Seq. operation Ht-Cl
© 2015 Viconcis Technologies. All rights reserved.
Fan Coil Unit Controller SeriesApplication Guide
Viconics Technologies Inc.
028-0444-01 Ap ri l 2015
VC3404E5000
VTR8300
7 VDC
Tx / Rx
Com
1
2
3
4
5
6
7
8
9
10
7
Tx/Rx
7 Vdc
Com
RUI 1
SCom
RBI 2
SS
RS
Heat -
Heat +
BACnet+
BACnet-
BACnet REF
UI 16 - BI1
UI 17 - BI2
SCom
SOLIDSTATE RELAY (4-32Vdc)
(-)
(+)
Sequence of Operation and Wiring
Occupied Mode
Setpoints revert to those defined by occupied cooling and heating.
Stand-by Mode (only available when PIR motion detector sensor is used)
Setpoints revert to those defined by stand-by cooling and heating.
Unoccupied Mode
Setpoints revert to those defined by unoccupied heating and cooling.
Occupied Override Mode
System reverts to occupied mode for duration determined by “ToccTime” parameter.
On Call for Cool
Cooling valve opens to maintain room temperature.
On Call for Heat
Electric heat operates to maintain room temperature. Cooling valve closes and dehumidification is disabled.
On a Demand for Dehumidification
Dehumidification achieved via cooling coil using reheat if necessary.
Dehumidification only allowed in COOL mode or if cooling is enabled in AUTO mode.
Dehumidification disabled if room temperature falls below low ambient lockout temperature, which is cooling setpoint minus configuration defined deadband value.
Options
• Wireless adapter modules for BACnet models are available. (see Appendix B for network wiring).
• Remote wall mount or return duct sensor ready.
• Can be configured for 2-pipe systems with changeover.
• Binary inputs can be configured to control occupancy via
door or window contact, remote motion sensor, remote night setback, or provide alarms for service or filter monitoring.
• Universal input can be configured for changeover sensor.
© 2015 Viconcis Technologies. All rights reserved.
8
Viconics Technologies Inc.
028-0444-01 Ap ri l 2015
Fan Coil Unit Controller SeriesApplication Guide
VTR83X0A5X00B WITH VC3504E5000 RELAY AND VCM8000V5000P ZIGBEE PRO MODULE: HEATING/ COOLING WITH CHANGEOVER SENSOR 2-PIPE FAN COIL UNIT WITH 3-SPEED FAN AND WIRELESSS WINDOW SWITCH
Window Switch
SED-WIN-P-5000
Fan
Airflow Direction
Cooling / Heating Coil Supply Sensor
VTR8300
Onboard PIR Sensor
VC3504E5000
Changeover Sensor: 10K Ohm type 2
Supply Sensor: 10K Ohm type 2
Configuration Parameter Name
2 POSITION
COOLING VALVE / HEATING VALVE
C/O
SENSOR
Configuration Settings
SENSOR
Fan Menu L-M-H-A Fan cont On BI1 Window RUI1 COS Pipe No 2 Seq. operation Cool
© 2015 Viconcis Technologies. All rights reserved.
Fan Coil Unit Controller SeriesApplication Guide
Viconics Technologies Inc.
028-0444-01 Ap ri l 2015
VC3504E5000
VTR8300
BACnet+
BACnet-
BACnet REF
7 VDC
Tx / Rx
UI 16 - BI1
UI 17 - BI2
Com
SCom
1
2
3
4
5
6
7
8
9
Tx/Rx
7 Vdc
Com
RUI 1
SCom
RBI 2
SS
RS
Sequence of Operation and Wiring
Occupied Mode
Setpoints revert to those defined by occupied cooling and heating.
Stand-by Mode (only available when PIR motion detector sensor is used)
Setpoints revert to those defined by stand-by cooling and heating.
Unoccupied Mode
Setpoints revert to those defined by unoccupied heating and cooling.
Occupied Override Mode
System reverts to occupied mode for duration determined by “ToccTime” parameter.
On Call for Cool
If supply water temperature is less than 24°C (75F), valve opens to maintain room temperature, else valve closes.
On Call for Heat
If supply water temperature is greater than 25°C (77F), valve opens to maintain room temperature, else the valve closes.
Supply Air Sensor
Only used for monitoring. Shows automatically if sensor is connected.
Wireless Window Switch
Wireless window switch automatically locks out heating/cooling when window is opened.
Options
• Wireless adapter modules for BACnet models are available. (see Appendix B for network wiring).
• Remote wall mount or return duct sensor ready.
• Binary inputs can be configured to control occupancy via
door or window contact, remote motion sensor, remote night setback, or provide alarms for service or filter monitoring.
© 2015 Viconcis Technologies. All rights reserved.
10
Viconics Technologies Inc.
028-0444-01 Ap ri l 2015
Fan Coil Unit Controller SeriesApplication Guide
VTR83X0A5X00B WITH VC3400E5000 RELAY: COOLING AND ELECTRIC HEAT 2-PIPE FAN COIL UNIT WITH 3-SPEED FAN, DEHUMIDIFICATION AND 2-POSITION VALVES
VTR8300
Fan
Airflow Direction
VC3400E5000
Cooling Coil Electric Heating
2 POSITION
COOLING VALVE
SSR
SOLID STATE RELAY
(GENERIC)
Configuration parameter name
Configuration settings
Fan menu L-M-H-A Fan cont. heat. On Pulsed Heating On Pipe No 2 Seq. operation Cool-Rht
© 2015 Viconcis Technologies. All rights reserved.
11
Fan Coil Unit Controller SeriesApplication Guide
Viconics Technologies Inc.
028-0444-01 Ap ri l 2015
VC3400E5000
VTR8300
BACnet+
BACnet-
BACnet REF
7 VDC
Tx / Rx
UI 16 - BI1
UI 17 - BI2
Com
SCom
SOLIDSTATE RELAY (4-32Vdc)
1
2
3
9
10
(-)
(+)
Sequence of Operation and Wiring
Occupied Mode
Setpoints revert to those defined by occupied cooling and heating.
Stand-by Mode (only available when PIR motion detector sensor is used)
Setpoints revert to those defined by stand-by cooling and heating.
Unoccupied Mode
Setpoints revert to those defined by unoccupied heating and cooling.
Occupied Override Mode
System reverts to occupied mode for duration determined by “ToccTime” parameter.
On Call for Cool
Cooling valve opens to maintain room temperature.
On Call for Heat
Electric heat operates to maintain room temperature. Cooling valve closed and dehumidification is disabled.
On a Demand for Dehumidification
Dehumidification achieved via cooling coil using reheat if necessary.
Dehumidification only allowed in COOL mode or if cooling is enabled in AUTO mode.
Dehumidification disabled if room temperature falls below low ambient lockout temperature, which is cooling setpoint minus configuration defined deadband value.
Options
• Wireless adapter modules for BACnet models are available. (see Appendix B for network wiring).
• Binary inputs can be configured to control occupancy via door or window contact, remote motion sensor, remote night setback, or provide alarms for service or filter monitoring.
© 2015 Viconcis Technologies. All rights reserved.
12
Viconics Technologies Inc.
028-0444-01 Ap ri l 2015
Fan Coil Unit Controller SeriesApplication Guide
VTR83X0A5X00B WITH VC3514E5000 RELAY: HEATING/COOLING 2-PIPE FAN COIL UNIT WITH 3-SPEED FAN, FRESH AIR DAMPER AND 2-POSITION VALVES
Fresh Air
DAMPER
VTR8300
Return Air
Fan
Airflow Direction
VC3514E5000
Cooling / Heating Coil Supply Sensor
2 POSITION
COOLING VALVE / HEATING VALVE
C/O
SENSOR
Supply Sensor: 10K Ohm type 2.
Changeover Sensor: 10K Ohm type 2.
SENSOR
Configuration Parameter Name
Fan menu L-M-H-A Fan cont. heat On RUI1 COS Pulsed Heating Occ Out Pipe no. 2 Seq. operation Cool
Configuration Settings
© 2015 Viconcis Technologies. All rights reserved.
Fan Coil Unit Controller SeriesApplication Guide
Viconics Technologies Inc.
028-0444-01 Ap ri l 2015
VC3514E5000
VTR8300
BACnet+
BACnet-
BACnet REF
7 VDC
Tx / Rx
UI 16 - BI1
UI 17 - BI2
Com
SCom
7Vdc RELAY COIL
1
2
3
4
5
6
7
8
9
13
Tx/Rx
7 Vdc
Com
RUI 1
SCom
RBI 2
SS
RS
OCC -
Sequence of Operation and Wiring
Occupied Mode
Setpoints revert to those defined by occupied cooling and heating. The occupancy output opens fresh air damper to minimum position.
Stand-by Mode (only available when PIR motion detector sensor is used)
Setpoints revert to those defined by stand-by cooling and heating.
Unoccupied Mode
Setpoints revert to those defined by unoccupied heating and cooling. The fresh air damper closes.
Occupied Override Mode
System reverts to occupied mode for duration determined by “ToccTime” parameter.
On Call for Cool
If supply water temperature is less than 24°C (75F), cooling valve opens to maintain room temperature, else the valve closes.
On Call for Heat
If supply water temperature is greater than 25°C (77F), heating valve opens to maintain room temperature, else the valve closes.
Supply Air Sensor
Only used for monitoring. Shows automatically if sensor is connected.
Options
• Wireless adapter modules for BACnet models are available. (see Appendix B for network wiring).
• Remote wall mount or return duct sensor ready.
• Binary inputs can be configured to control occupancy via
door or window contact, remote motion sensor, remote night setback, or provide alarms for service or filter monitoring.
© 2015 Viconcis Technologies. All rights reserved.
14
Viconics Technologies Inc.
028-0444-01 Ap ri l 2015
Fan Coil Unit Controller SeriesApplication Guide
VTR83X0A5X00B WITH VC3500E5000 AND VC3300E5000 RELAYS: HEATING/COOLING 4-PIPE FAN COIL UNIT WITH 3-SPEED FAN AND 2-POSITION VALVES WITH SLAVE RELAY PACK
Airflow Direction
Fan
Cooling Coil
Heating Coil
VTR8300
VC3300E5000
Configuration Parameter Name
Fan menu L-M-H-A Fan cont. heat On Pipe No 4 Seq. operation Ht-Cl
Configuration Settings
2 POSITION
COOLING VALVE
VC3500E5000
2 POSITION
HEATING VALVE
© 2015 Viconcis Technologies. All rights reserved.
15
Fan Coil Unit Controller SeriesApplication Guide
Viconics Technologies Inc.
028-0444-01 Ap ri l 2015
VC3500E5000T
VTR8300
BACnet+
BACnet-
BACnet REF
7 VDC
Tx / Rx
UI 16 - BI1
UI 17 - BI2
Com
SCom
1
2
3
VC3300E5000
1
2
3
Sequence of Operation and Wiring
Occupied Mode
Setpoints revert to those defined by occupied cooling and heating.
Stand-by Mode (only available when PIR motion detector sensor is used)
Setpoints revert to those defined by stand-by cooling and heating.
Unoccupied Mode
Setpoints revert to those defined by unoccupied heating and cooling.
Occupied Override Mode
System reverts to occupied mode for duration determined by “ToccTime” parameter.
On Call for Cool
Cooling valve opens to maintain room temperature. Heating valve closes.
On Call for Heat
Heating valve opens to maintain room temperature. Cooling valve closes.
Options
• Wireless adapter modules for BACnet models are available. (see Appendix B for network wiring).
• Can be configured for 2-pipe systems without changeover.
• Binary inputs can be configured to control occupancy via
door or window contact, remote motion sensor, remote night setback, or provide alarms for service or filter monitoring.
© 2015 Viconcis Technologies. All rights reserved.
16
Viconics Technologies Inc.
028-0444-01 Ap ri l 2015
Fan Coil Unit Controller SeriesApplication Guide
VTR83X0A5X00B WITH VC3504E5000 RELAY: COOLING AND ELECTRIC HEAT 2-PIPE FAN COIL UNIT WITH 3-SPEED FAN AND 2-POSITION VALVES WITH WIRED WINDOW SWITCH
Window Switch
SED-WIN-P-5000
Fan
Airflow Direction
Cooling / Heating Coil Supply Sensor
VTR8300
Onboard PIR Sensor
VC3504E5000
Changeover Sensor: 10K Ohm type 2
Supply Sensor: 10K Ohm type 2
Configuration Parameter Name
Fan menu L-M-H-A
Fan cont. heat On
BI1 Window
RUI1 COS
Pipe no. 2
Seq. operation Cool
2 POSITION
COOLING VALVE / HEATING VALVE
C/O
SENSOR
Configuration Settings
SENSOR
© 2015 Viconcis Technologies. All rights reserved.
Fan Coil Unit Controller SeriesApplication Guide
Viconics Technologies Inc.
028-0444-01 Ap ri l 2015
VC3504E5000
VTR8300
BACnet+
BACnet-
Tx / Rx
BACnet REF
UI 16 - BI1
Com
7 VDC
UI 17 - BI2
SCom
1
2
3
4
5
6
7
8
17
Tx/Rx
7 Vdc
Com
RUI 1
SCom
RBI 2
SS
RS
BI1 (Window)
SCom
Sequence of Operation and Wiring
Occupied Mode
Setpoints revert to those defined by occupied cooling and heating.
Stand-by Mode (only available when PIR motion detector sensor is used)
Setpoints revert to those defined by stand-by cooling and heating.
Unoccupied Mode
Setpoints revert to those defined by unoccupied heating and cooling.
Occupied Override Mode
System reverts to occupied mode for duration determined by “ToccTime” parameter.
On Call for Cool
If supply water temperature is less than 24°C (75F), cooling valve opens to maintain room temperature, else the valve closes.
On Call for Heat
If supply water temperature is greater than 25°C (77F), heating valve opens to maintain room temperature, else the valve closes.
Supply Air Sensor
Only used for monitoring. Shows automatically if sensor is connected.
Wired Window Switch
The window switch automatically locks out heating/cooling when window opens.
Options
• Wireless adapter modules for BACnet models are available. (see Appendix B for network wiring).
• Models available with factory installed PIR sensor.
• Remote wall mount or duct sensor ready.
• Can be configured for 2-pipe systems with changeover.
• Binary inputs can be configured to control occupancy via door
or window contact, remote night setback, or provide alarms for service or filter monitoring.
• Universal input can be configured for changeover sensor.
© 2015 Viconcis Technologies. All rights reserved.
18
Viconics Technologies Inc.
028-0444-01 Ap ri l 2015
Fan Coil Unit Controller SeriesApplication Guide
VTR83X0A5X00B WITH VC3500E5000 RELAY: HEATING/COOLING 4-PIPE FAN COIL UNIT WITH 3-SPEED FAN AND 2-POSITION VALVES WITH WIRED DOOR SWITCH
VTR8300
Onboard PIR Sensor
AND / OR
OR*
Fan
Airflow Direction
Cooling Coil
2 POSITION
COOLING VALVE
VC3500E5000
Heating Coil
2 POSITION
HEATING VALVE
Door Switch
SED-DOR-P-5000
Wired Remote PIR Sensor
Wireless Remote PIR Sensor
Configuration Parameter Name
Fan menu L-M-H-A Fan cont. heat On BI1 Motion NO or Motion NC (remote PIR sensor only) BI2 Door Dry Pipe No 4 Seq. Operat Ht-Cl
* Wired remote sensor cannot be used at the same time as wireless remote sensor(s).
Configuration Settings
© 2015 Viconcis Technologies. All rights reserved.
Fan Coil Unit Controller SeriesApplication Guide
Viconics Technologies Inc.
028-0444-01 Ap ri l 2015
VTR8300
7 VDC
Tx / Rx
Com
1
2
3
19
VC3500E5000
Tx/Rx
7 Vdc
Com
BACnet+
BACnet-
BACnet REF
UI 16 - BI1
UI 17 - BI2
SCom
BI2 (Door)
SCom
Sequence of Operation and Wiring
Occupied Mode
Setpoints revert to those defined by occupied cooling and heating.
Stand-by Mode (only available when PIR motion detector sensor is used)
Setpoints revert to those defined by stand-by cooling and heating.
Unoccupied Mode
Setpoints revert to those defined by unoccupied heating and cooling.
Occupied Override Mode
System reverts to occupied mode for duration determined by “ToccTime” parameter.
On Call for Cool
Cooling valve opens to maintain room temperature. Heating valve closes.
On Call for Heat
Heating valve opens to maintain room temperature. Cooling valve closes.
Door Switch
Door switch automatically toggles occupancy.
Options
• Wireless adapter modules for BACnet models are available. (see Appendix B for network wiring).
• Models available with factory installed PIR sensor.
• Can be configured for 2-pipe systems without changeover.
• Binary inputs can be configured to control occupancy via
door or window contact, remote motion sensor, remote night setback, or provide alarms for service or filter monitoring.
© 2015 Viconcis Technologies. All rights reserved.
20
Viconics Technologies Inc.
028-0444-01 Ap ri l 2015
Fan Coil Unit Controller SeriesApplication Guide
VT8350U5X00B HEATING/COOLING 4-PIPE FAN COIL UNIT WITH 3-SPEED FAN, TRI-STATE FLOATING VALVES AND DEHUMIDIFICATION SEQUENCE FOR LOW VOLTAGE WITH WIRELESS DOOR SWITCH
Onboard PIR Sensor
AND / OR
Wired Remote PIR Sensor
Fan
VT8300
OR*
Wireless Remote PIR Sensor
Airflow Direction
Cooling Coil
TRI-STATE
COOLING VALVE
Heating Coil
TRI-STATE
HEATING VALVE
Door Switch
SED-WDS-P-5045
Configuration Parameter Name
Configuration Settings
Fan menu L-M-H-A Control Type Floating UI16 Motion NO or Motion NC (remote PIR sensor only) UI17 Door Dry Pipe no. 4 Seq. operation Cool / Heat
* Wired remote sensor cannot be used at the same time as wireless remote sensor(s).
© 2015 Viconcis Technologies. All rights reserved.
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