Viconics VT7606E Installation Manual - Manual (Page 24)

24
| PIR Ready VT7600 Series-Installation Guide
028-0363-02
Cal OS
Outside air temperature
sensor
calibration
Default value = 0.0 °F
or °C
Offset that can be added/subtracted to the actual dis-
played outdoor temperature.
± 5.0 °F, (± 2.5 °C)
H stage
Number of heating
stages.
Applicable to 2 stage
models only
Default value = 2
stages
Will revert the operation of 2 stages Terminal Equip-
ment Controller to single stage operation only when the
second heating step is not needed.
1 or 2 stages
For heat pump models, H stage is limited to 1 stage
only (W1 – Aux. Heat)
C stage
Number of cooling
stages
Default value = 2
stages
Will revert the operation of 2 stage Terminal Equipment
Controller to single stage operation only when the sec-
ond 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 tempera-
ture 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 tempera-
ture sensor) is connected.
From -40 °F up to 95 °F ( -40 °C up to 35 °C )
Unocc TM
Unoccupied Timer value
Default
0.5 hours
Time delay between the moment where the Terminal
Equipment Controller toggles from occupied to unoccu-
pied after the last movement has been detected by the
PIR.
Range is:
0.5 to 24.0 hours in 0.5 hour increments