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028-0325-02_LIT-VZ7656F_W-E01_EN
October 2019
SH lock
Outside air temperature
supply heat lockout
Default value =
32 °F
(0 °C)
Disables heating operation based on outdoor air
temperature.
Please refer to the Viconics Zoning System Guide for
recommended settings.
From –15 °F up to 120 °F (-26 °C up to 49 °C)
(increments: 5° or 50°)
C stage
VZ7656R1000B models only
Number of cooling stages
installed at RTU.
Default value =
2 stages
Will revert the operation of 2 stage controllers to a single
stage 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 )
2/4event
Number of events
configuration
Default value =
2 event
2 events
, will set up scheduling for the following
Event 1 is for Occupied setpoints
Event 2 is for Unoccupied setpoints
4 events
, will set up scheduling for the following
Event 1 is for Occupied setpoints
Event 2 is for Unoccupied setpoints
Event 3 is for Occupied setpoints
Event 4 is for Unoccupied setpoints
