17
Table 11 – W7220 Input/Output without CO
2
Sensor
INPUTS
Ref:
FAN
SPD
(a)
OUTPUTS
DEMAND
CONTROL
VENTILATION
OUTSIDE AIR
Good to
economize?
Y 1 --- I Y 2 --- 1
Mechanical Cooling Stage
Occupancy
OCC Yes OCC No
Y 1 --- O / 1 S T Y 2 --- O / 2 N D Outside Air Damper Position
NO CO
2
SENSOR
No
Off Off Low 0 --- v / O f f 0 --- v / O f f MIN POS L Closed
On Off Low 2 4 --- v / O n 0 --- v / O f f MIN POS L Closed
On On High 2 4 --- v / O n 2 4 --- v / O n MIN POS H Closed
Yes
Off Off Low 0 --- v / O f f 0 --- v / O f f MIN POS L Closed
On Off Low 0 --- v / O f f 0 --- v / O f f
Modulating:
MIN POS L to
F u l l --- O p e n
Modulating:
Closed to
F u l l --- O p e n
On On High
2SP DELAY (b);
24v/On
0 --- v / O f f ( c )
Modulating:
MIN POS H to
F u l l --- O p e n
Modulating:
Closed to
F u l l --- O p e n
(a)
Fan Speed for reference only; tins is not an input or ou tput fu nction of the W7220
(b)
See Menu ADV SETU P ---> 2SP FAN DELAY for details
(c)
See Menu ADV SETU P ---> STG# DLY. With Stage 3 delay enabled, control can turn on 2
nd
stage of cooling Y2---O after delay if the call for Y2---I has not
been satisfied.
Table 12 – W7220 Input’/Output with Demand Control Ventilation (DCV)
INPUTS
Ref:
FAN
SPD
(a)
OUTPUTS
DEMAND
CONTROL
VENTILATION
OUTSIDE AIR
Good to
economize?
Y 1 --- I Y 2 --- 1
Mechanical Cooling Stage
Occupancy
OCC Yes OCC No
Y 1 --- O / 1 S T Y 2 --- O / 2 N D Outside Air Damper Position
Below set
No
Off Off Low 0 --- v / O f f 0 --- v / O f f VENTMIN L Closed
On Off Low 2 4 --- v / O n 0 --- v / O f f VENTMIN L Closed
On On High 2 4 --- v / O n 2 4 --- v / O n VENTMIN H Closed
Yes
Off Off Low 0 --- v / O f f 0 --- v / O f f VENTMIN L Closed
On Off Low 0 --- v / O f f 0 --- v / O f f
Modulating:
VENTMIN L to
F u l l --- O p e n
Modulating:
Closed to
F u l l --- O p e n
On On High
2SP DELAY (b);
24v/On
0 --- v / O f f ( c )
Modulating:
VENTMIN H to
F u l l --- O p e n
Modulating:
Closed to
F u l l --- O p e n
Above set
No
Off Off Low 0 --- v / O f f 0 --- v / O f f
Modulating:
VENTMIN L to
VENTMAX L
Closed
On Off Low 2 4 --- v / O n 0 --- v / O f f
Modulating:
VENTMIN L to
VENTMAX L
Closed
On On High 2 4 --- v / O n 2 4 --- v / O n
Modulating:
VENTMIN H to
VENTMAX H
Closed
Yes
Off Off Low 0 --- v / O f f 0 --- v / O f f
Modulating:
VENTMIN L to
VENTMAX L
Closed
On Off Low 0 --- v / O f f 0 --- v / O f f
Modulating:
VENTMIN L to
F u l l --- O p e n
Modulating:
Closed to
F u l l --- O p e n
On On High
2SP DELAY (b);
24v/On
0 --- v / O f f ( c )
Modulating:
VENTMIN H to
F u l l --- O p e n
Modulating:
Closed to
F u l l --- O p e n
(a)
Fan Speed for reference only; tins is not an input or ou tput fu nction of the W7220
(b)
See Menu ADV SETU P ---> 2SP FAN DELAY for details
(c)
See Menu ADV SETU P ---> STG# DLY. With Stage 3 delay enabled, control can turn on 2
nd
stage of cooling Y2---O after delay if the call for Y2---I has not
been satisfied.
LLECON--02SI
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