Carrier 50TCQD14 Installation Instructions Manual

Also see for 50TCQD: Installation instructions

Contents

36Table 12 – Damper Minimum Position Settings and Readings on Checkout MenuFan Speed Demand Controlled Ventilation(CO 2 Sensor) Setpoints Checkout1 NO MIN POS VMAX ---HS1 NO N/A N/A2 NO MIN POS H VMAX ---HS2 NO MIN POS L VMAX ---LS1 YES VENT MIN VMIN ---HS1 YES VENT MAX VMAX ---HS2 YES VENT MIN H VMIN ---HS2 YES VENT MAX H VMAX ---LS2 YES VENT MIN L N/A2 YES VENT MAX L N/ASequence of OperationTable 13 – Dry Bulb Operation No DCV (CO 2 Sensor) -- 1 Speed FanDemandControlledVentilation(DCV)Outside Air ---Good toeconomize?Y1 I Y2-I Fan Speed Y1-O Y2-O Occupied UnoccupiedNone NoOff Off High 0-v/Off 0-v/Off MIN POS ClosedOn Off High 24-v/On 0-v/Off MIN POS ClosedOn On High 24-v/On 24-v/On MIN POS ClosedNone YesOff Off High 0-v/Off 0-v/Off MIN POS ClosedOn Off High 0-v/Off 0-v/Off MIN POS to Full-Open Closed to Full-OpenOn On High 24-v/On 0-v/Off * MIN POS to Full-Open Closed to Full-Open* With stage 3 delay (STG3 DLY) in Advanced setup menu can turn on second stage of mechanical cooling Y2 –O after the delay if the call for Y1 ---I and Y2 ---Ihave not been satisfied.Table 14 – Dry Bulb Operation With DCV (CO 2 Sensor) -- 1 Speed FanDemandControlledVentilation(DCV)Outside Air ---Good toeconomize?Y1 I Y2-I Fan Speed Y1-O Y2-O Occupied UnoccupiedBelow CO2 setNoOff Off High 0-v/Off 0-v/Off VENTMIN ClosedOn Off High 24-v/On 0-v/Off VENTMIN ClosedOn On High 24-v/On 24-v/On VENTMIN ClosedYesOff Off High 0-v/Off 0-v/Off VENTMIN ClosedOn Off High 0-v/Off 0-v/Off VENTMIN to Full-Open Closed to Full-OpenOn On High 24-v/On 0-v/Off* VENTMIN to Full-Open Closed to Full-OpenAbove CO2 setNoOff Off High 0-v/Off 0-v/Off VENTMIN to VENTMAX ClosedOn Off High 24-v/On 0-v/Off VENTMIN to VENTMAX ClosedOn On High 24-v/On 24-v/On VENTMIN to VENTMAX ClosedYesOff Off High 0-v/Off 0-v/Off VENTMIN to VENTMAX ClosedOn Off High 0-v/Off 0-v/Off VENTMIN to Full-Open Closed to Full-OpenOn On High 24-v/On 0-v/Off* VENTMIN to Full-Open Closed to Full-Open* With stage 3 delay (STG3 DLY) in Advanced setup menu can turn on second stage of mechanical cooling Y2 –O after the delay if the call for Y1 ---I and Y2 ---Ihave not been satisfied.