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21
63-4309—2
S7600
W7600 Input
Point Name
Label
Control Number
Functional Description
DIGITAL INPUTS (continued)
Duct Freezstat
FREEZE
156
INACTIVE =
Normal operation.
ACTIVE =
Turn off all outputs; disable control; turn on
alarm digital output and send alarm message
to S7600.
NOTE: Not monitored if fan is off.
NOTE: The W7600 must be reset if a Duct Freezstat
Failure occurs.
Proof of Airflow
AIRFLO
157
ACTIVE = Normal operation.
INACTIVE = Turn on alarm digital output and send alarm
message to S7600. Turn off all outputs and
disable control. Does not stop fan if unit
failure occurs.
NOTE: Not monitored if fan is off.
NOTE: The W7600 must be reset if an Airflow Failure
occurs.
Manual Control Reset
RESET
158
INACTIVE =
Normal operation.
ACTIVE =
Turn off all outputs; restart control and ini-
tialize system.
Proof of Free Cooling
FRE_CL
159
INACTIVE =
Free cooling valve closed.
ACTIVE =
Free cooling valve open.
Day Occupied Switch
DAY_NT
160
INACTIVE =
Unoccupied or real-time clock occupied/un-
occupied control.
ACTIVE =
Occupied mode and setpoints.
System Safety
SYS_FL
161
INACTIVE =
Normal operation.
ACTIVE =
One or more combined safety alarms: turn
on alarm digital output and send alarm mes-
sage to S7600. Turn off all outputs and dis-
able control.
NOTE: The W7600 must be reset if a System Safety
Failure occurs.
Heat Mode
HEAT
162
INACTIVE =
No heating, morning warmup or night
heating available.
ACTIVE =
Enable heat mode (if heating is
configured).
Vanes Closed
VN_CSD
163
INACTIVE =
On start-up only, hold off supply fan start.
ACTIVE =
On start-up only, enable supply fan start.
Duct High Pressure
DHP_SW
164
INACTIVE =
Normal operation.
ACTIVE =
Turn off all outputs and disable control. Send
alarm message to S7600 and turn on alarm
digital output.
NOTE: Not monitored if fan is off.
NOTE: The W7600 must be reset if a Duct High
Pressure Failure occurs.
DLC Restore/Shed Flag
R_SHED
165
Demand Limit Control (DLC) input for discharge air
temperature setpoint bump to initiate load shed. Remote
input via network from W7600G Building DDC:
ACTIVE =
Restore to normal setpoint.
INACTIVE =
Shed load via setpoint bump.
PM7600B
PM7600B INPUT AND OUTPUT OPTIONS