Carrier TC - Sequence of Operation

18
Table 6 – Damper Minimum Position Settings and Readings on Checkout Menu
Fan Speed
Demand Control Ventilation
(CO2 Sensor)
Setpoints Checkout
1 NO MIN POS V M AX --- H S
1 NO N/A N/A
2 NO MIN POS H V M A X --- H S
2 NO MIN POS L V M A X --- L S
1 YES VENT MIN V M I N --- H S
1 YES VENT MAX V M A X --- H S
2 YES VENT MIN H V M IN --- H S
2 YES VENT MAX H V MA X --- L S
2 YES VENT MINL N/A
2 YES VENT MAX L N/A
SEQUENCE OF OPERATION
Table 7 – Dry Bulb Operation No DCV (CO
2
Sensor) -- 1 Speed Fan
Demand
Control Ventilation
(DCV)
Outside Air ---
Good to
economize?
Y1‐I Y2-I Fan Speed Y1-O Y2-O Occupied Unoccupied
None No
Off Off High 0-v/Off 0-v/Off MIN POS Closed
On Off High 24-v/On 0-v/Off MIN POS Closed
On On High 24-v/On 24-v/On MIN POS Closed
None Ye s
Off Off High 0-v/Off 0-v/Off MIN POS Closed
On Off High 0-v/Off 0-v/Off MIN POS to Full- Open Closed to Full-Open
On On High 24-v/On 0-v/Off
a
MIN POS to Full- Open Closed to Full-Open
a
With stage 3 delay (STG3 DLY) in Advanced setup menu can turn on 2nd stage of mechan ical cooling Y2 –O after the delay if the call for Y1---I and Y2---I have
not been satisfied.
Table 8 – Dry Bulb Operation With DCV (CO
2
Sensor) -- 1 Speed Fan
Demand
Control Ventilation
(DCV)
Outside Air ---
Good to
economize?
Y1‐I Y2-I Fan Speed Y1-O Y2-O Occupied Unoccupied
Below CO
2
set
No
Off Off High 0-v/Off 0-v/Off VENTMIN Closed
On Off High 24-v/On 0-v/Off VENTMIN Closed
On On High 24-v/On 24-v/On VENTMIN Closed
Ye s
Off Off High 0-v/Off 0-v/Off VENTMIN Closed
On Off High 0-v/Off 0-v/Off VENTMIN to Full- Open Closed to Full-Open
On On High 24-v/On 0-v/Off
a
VENTMIN to Full- Open Closed to Full-Open
Above CO
2
set
No
Off Off High 0-v/Off 0-v/Off VENTMIN to VENTMAX Closed
On Off High 24-v/On 0-v/Off VENTMIN to VENTMAX Closed
On On High 24-v/On 24-v/On VENTMIN to VENTMAX Closed
Ye s
Off Off High 0-v/Off 0-v/Off VENTMIN to VENTMAX Closed
On Off High 0-v/Off 0-v/Off VENTMIN to Full- Open Closed to Full-Open
On On High 24-v/On 0-v/Off
a
VENTMIN to Full- Open Closed to Full-Open
a
With stage 3 delay (STG3 DLY) in Advanced setup menu can turn on 2nd stage of mechan ical cooling Y2 –O after the delay if the call for Y1---I and Y2---I have
not been satisfied.
SUP--TI24--02SI