background image

4

POWER
SUPPLY

TO COMMUNICATION

BUS

LOW PRESSURE
OPEN TO SPACE

TRANSFORMER

BYPASS

DAMPER

W/ACTUATOR

HIGH PRESSURE

TUBING

TO

BUILDING

BYPASS

DAMPER

SUPPLY

AIR

DUCT

TEMPERATURE

SENSOR

1

6

J5

3

1

G

+

CCN

3

3

- G +

1

1

5

1

6

1

J4

1

2

¤

NOT

USED

NOT USED

NOT USED

DAT

NOT USED

NOT USED

NOT USED

NOT USED

¤

DAT

}

TO

COMMUNICATION

BUS

}

TO

FEEDBACK

POTENTIOMETER

LINE VOLTAGE

EQUIPMENT GROUND

}

TO

DAMPER

ACTUATOR

TRANS

NOT USED

COMM2

-

G

+

TRANSFORMER GROUND

ORANGE

BLUE

YELLOW

RED
WHITE

BLACK

BLACK

RED

WHITE

Fig. 3 — Bypass Controller Installation

Fig. 4 — Bypass Controller Wiring

Содержание VVT 33ZC

Страница 1: ...oordinate up to 31 additional zone controllers The purpose of the Linkage Coordinator zone relationship is to provide an efficient data path for communica tion between the zone controllers bypass cont...

Страница 2: ...ding the damper shaft through the actuator clamp assembly See Fig 2 for details Remove the controller wiring access cover Secure the controller by installing the screw provided through the grommet in...

Страница 3: ...3 Fig 2 Bypass Controller Dimensions Fig 1 Bypass Controller Details...

Страница 4: ...ENSOR 1 6 J5 3 1 G CCN 3 3 G 1 1 5 1 6 1 J4 1 2 NOT USED NOT USED NOT USED DAT NOT USED NOT USED NOT USED NOT USED DAT TO COMMUNICATION BUS TO FEEDBACK POTENTIOMETER LINE VOLTAGE EQUIPMENT GROUND TO D...

Страница 5: ...p the grommet into the hole until it is secure Pull on the leads of the duct sensor until the sensor is snug against the grommet 3 Connect the sensor leads to the bypass controller s termi nal board a...

Страница 6: ...reverse rotation the actuator switch may be changed to the CCW position LINKED ACTUATORS Field supplied linked actuators may be used to link to the bypass controller actuator Install the actuators pe...

Страница 7: ...7 Fig 7 High Torque Actuator Wiring...

Страница 8: ...8 Fig 8 High Torque Actuator with Linked Dampers Wiring...

Страница 9: ...9 Fig 9 Field Supplied Linked Damper Wiring...

Страница 10: ...10 Fig 10 Multiple Field Supplied Linked Damper Wiring...

Страница 11: ...s cable a color code system for the entire network is recommended to simplify installation and checkout See Table 4 for the recommended color code Table 4 Color Code Recommendations 3 Connect the othe...

Страница 12: ...ew bypass pressure set point 10 Read the airflow with a measuring device If the reading varies from the screen value force the value to the mea sured value Once the pressure sensor is forced the contr...

Страница 13: ...iable displays whether the leaving air temperature exceeds the heating or cooling limit configured in the Bypass Controller Service Configuration Table If Yes is displayed the System Pressure Set Poin...

Страница 14: ...zone controller to turn the system fan off If the communication fails the damper calibration process will be terminated and this decision will be Disabled When the fan is off the zone controller will...

Страница 15: ...NT Duct Temperature This variable displays the duct tempera ture at the bypass damper through a 10K thermistor with a measurement range from 40 to 245 F in 0 1 F increments Duct Temperature Display Un...

Страница 16: ...efault Value Close Max Damper Alarm Limit This decision is used to gener ate alarms during system heating and cooling modes When the bypass damper position is greater than this configured limit and th...

Страница 17: ...ease to within the zero tolerance 1 0 0 1 vdc of the sensor The alarm is disabled if this decision is set to Disable Press Sensr Cal Alarm Default Value Enable Display Range Enable Disable Duct Temp C...

Страница 18: ...is off When the fan is off the bypass controller will drive its damper to the fully closed position The bypass controller will read the value of the actuator s feedback potentiometer until the value...

Страница 19: ...l terminate the calibration Once at the fully open damper position the bypass controller will read the output voltage of the pressure sensor If the voltage reads within the range of 1 0 vdc 0 1 volt i...

Страница 20: ...b 11a 13a Copyright 2004 Carrier Corporation SEN Fig 12 Bypass Controller Operation Flow Chart LEGEND BP Bypass BP_SETPT System Pressure Setpoint DAT Duct Air Temperature DMP_POS Damper Position LAT L...

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