Viconics VT7300F-2572 Installation Manual User Manual
Page 23

23 | PIR Ready VT7300-2572 Series
aux cont
Auxiliary contact function
& configuration
Default value = 0 Not
Used
0 Aux contact function used for reheat
IF SEQUENCE IS SET TO REHEAT THROUGH NETWORK
OR LOCAL, Ignore this parameter.
The output will directly follow the occupancy of the
Terminal Equipment Controller
1 Auxiliary NO, Occ or St-By = Contact Closed / Unoccupied =
Contact Opened
2 Auxiliary NC, Occ or St-By = Contact Opened / Unoccupied
= Contact Closed
Output to follow directly main occupancy and Fan on
command
Typically used for 2 position fresh air damper applications.
3 Auxiliary NO, Occ or St-By & Fan On = Contact Closed /
Unoccupied & Fan On or Off = Contact Opened
4 Auxiliary NC, Occ or St-By & Fan On = Contact Opened /
Unoccupied & Fan On or Off = Contact Closed
Output to follow secondary network occupancy command
5 Auxiliary On/Off Control through auxiliary network
command. The output can be commanded through the network
for any required auxiliary functions through a separate &
dedicated network variable.
Auto Fan
Auto Fan Function
Default value: AS
Auto Speed Fan Mode operation for Fan Sequences 2 and 3
AS = Auto Speed during occupied periods. Fan is always on
during occupied periods.
AS AD = Auto Speed / Auto Demand during occupied
periods.
RA/DA
For Analog models
VT73xxF5x00(x) only
Default value: DA signal
Reverse acting or Direct acting signal for Analog output signals
DA = Direct acting, 0 to 100 % = 0 to 10 VDC
RA = Reverse acting, 0 to 100 % = 10 to 0 VDC
Reheat
Default value: 0 = 15
minute
Sets the reheat output time base
Valid only if reheat sequences are enabled
0 = 15 minutes
1 = 10 seconds for Solid state relays
Low AO2
Default value: 2.2 V
The minimum AO2 fan output value when the fan is enabled.
This value is used if the fan mode is set to Low and as a
minimum output if the fan output is set to auto.
2.0 to 4.0 V