43
*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 Y–I and
Y2–I have not been satisfied.
*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 Y–I and
Y2–I have not been satisfied.
*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 Y–I and
Y2–I have not been satisfied.
Table 16 —
Dry Bulb Operation without DCV (CO
2
Sensor) — 1 Speed Fan
DEMAND
CONTROLLED
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
Yes
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*
MIN POS to
Full-Open
Closed to
Full-Open
Table 17 —
Dry Bulb Operation with DCV (CO
2
Sensor) — 1 Speed Fan
DEMAND
CONTROLLED
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
Yes
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*
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
Yes
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*
VENTMIN to
Full-Open
Closed to
Full-Open
Table 18 —
Enthalpy Operation without DCV (CO
2
Sensor) — 1 Speed Fan
DEMAND
CONTROLLED
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
Yes
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*
MIN POS to
Full-Open
Closed to
Full-Open
Summary of Contents for 48LC Series
Page 5: ...5 Fig 2 Unit Dimensional Drawing Size 08 Unit ...
Page 6: ...6 Fig 2 Unit Dimensional Drawing Size 08 Unit cont ...
Page 7: ...7 Fig 3 Unit Dimensional Drawing Size 09 and 12 Units ...
Page 8: ...8 Fig 3 Unit Dimensional Drawing Size 09 and 12 Units cont ...
Page 11: ...11 Fig 6 Roof Curb Details Size 08 12 Units ...
Page 21: ...21 Fig 34 48LC 08 12 Electro mechanical Control Wiring Diagram ...
Page 22: ...22 Fig 35 48LC 08 12 RTU Open Control Wiring Diagram ...
Page 23: ...23 Fig 36 48LC 08 12 SystemVu Control Wiring Diagram ...
Page 25: ...25 Fig 38 48LC 08 12 Typical Power Wiring Diagram SystemVu Control 208 230 v Unit Shown ...
Page 61: ......