Honeywell PM7600B Manual page 21

Network compatible variable air volume program module for w7600
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DIGITAL INPUTS (continued)
Point Name
Duct Freezstat
Proof of Airflow
Manual Control Reset
Proof of Free Cooling
Day Occupied Switch
System Safety
Heat Mode
Vanes Closed
Duct High Pressure
DLC Restore/Shed Flag
S7600
W7600 Input
Label
Control Number
FREEZE
156
AIRFLO
157
RESET
158
FRE_CL
159
DAY_NT
160
SYS_FL
161
HEAT
162
VN_CSD
163
DHP_SW
164
R_SHED
165
PM7600B INPUT AND OUTPUT OPTIONS
Functional Description
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.
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.
INACTIVE =
Normal operation.
ACTIVE =
Turn off all outputs; restart control and ini-
tialize system.
INACTIVE =
Free cooling valve closed.
ACTIVE =
Free cooling valve open.
INACTIVE =
Unoccupied or real-time clock occupied/un-
occupied control.
ACTIVE =
Occupied mode and setpoints.
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.
INACTIVE =
No heating, morning warmup or night
heating available.
ACTIVE =
Enable heat mode (if heating is
configured).
INACTIVE =
On start-up only, hold off supply fan start.
ACTIVE =
On start-up only, enable supply fan start.
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.
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.
21
PM7600B
63-4309—2

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