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Viconics VT7600 Installation Guide (First Release 1000 Series) User Manual

Page 17

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17

fan del

Fan delay
Default value = Off

Fan delay extends fan operation by 60 seconds
after the call for heating or cooling ends.
Valid only for Auto fan mode. “On” fan mode will
leave the fan always on.
Off or On

Com Addr

Thermostat networking address
Default value = 4
Range is:

0 to 254

• For BACnet MS-TP models valid

range to use is from 1 to 127

• For wireless models valid range is 0

to 254 with a maximum of 30
thermostat per VGG

Conditional parameter to BACnet MS-TP models
(VT76xxX1000B)
Conditional parameter to Wireless models
(VT76xxX1000W)
This parameter will only appear when a BACnet or
wireless network adapter is present. If the
thermostat is installed as a stand-alone unit or with
an Echelon adapter, this parameter will not be used
or displayed

ToccTime

Temporary occupancy time
Default value = 3 hours

Temporary occupancy time with occupied mode
setpoints when override function is enabled
When the thermostat is in unoccupied mode,
function is enabled with either the menu or DI1 or
DI2 configured as remote override input.
0,1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 & 12 hours

cal RS

Room air temperature sensor calibration
Default value = 0.0 °F or °C

Offset that can be added/subtracted to actual
displayed room temperature
± 5.0 °F ( ± 2.5 °C )

cal OS

Outside air temperature sensor
calibration
Default value = 0.0 °F or °C

Offset that can be added/subtracted to actual
displayed outside air temperature
± 5.0 °F ( ± 2.5 °C )

H stage

Number of heating stages. Applicable to
2 stage models only
Default value = 2 stages
For heat pump models, H stage is
limited to 1 stage only (W1 – Aux.
Heat)

Will revert the operation of 2 stages thermostat to
single stage operation only when the second
heating step is not needed.
1 or 2 stages

C stage

Or

HP stage

Number of cooling stages
2 stages model only
Default value = 2 stages
For heat pump models, HP stage
selects the number of compressor
stages

Will revert the operation of 2 stage thermostat to
single stage operation only when the second
cooling step is not needed.
1 or 2 stages

H lock

Outside air temperature heating lockout
Default value = 120 °F ( 49 °C )

Disables heating stage operation based on outdoor
air temperature.
Function will only be enabled if OS ( outside air
temperature sensor ) is connected.
From -15 °F up to 120 °F ( -26 °C up to 49 °C )

C lock

Outside air temperature mechanical
cooling lockout.
Default value = -40 °F ( -40 °C )

Disables cooling stage operation based on outdoor
air temperature.
On economizer model, free cooling will not be
disabled by this function.
Function will only be enabled if OS ( outside air
temperature sensor ) is connected.
From -40 °F up to 95 °F ( -40 °C up to 35 °C )