Viconics VT8600 User Interface Guide - Manual (Page 24)

VT8600 Series User Interface Guide 24
Viconics Technologies Inc. 9245 Langelier Blvd. Saint-Leonard, Quebec, Canada, H1P 3K9 I +1 514 321 5660
028-0441-00 www.viconics.com November 2014
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6/9 Configuration
Discharge HL
Cool lock
Heat lock 49.0 °C
FA range
Reheat lockout
Discharge LL
-40.0 °C
49 °C
7 °C
0 °C
0 l/s
CONFIGURATION PARAMETERS SCREEN 6/9
PARAMETER DETAILS SCREEN 6/9
Configuration Parameters Default Value Significance and Adjustments
Heat 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)
Cool 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 )
Discharge HL
Discharge air temperature high limit
Default value:
120 °F (49 °C)
Discharge air high temperature value at which the heating stages will
be locked out.
70°F to 150°F (21°C to 65°C)
(increments: 0.5° or 5°)
Dis LL
Discharge air temperature low limit
Default value:
45°F (7 °C)
Discharge air low temperature value at which the cooling stages will
be locked out.
35 to 65°F (2.0°C to 19.0°C)
(increments: 0.5° or 5°)
SH lock
Only valid if HT Type is set to Analog
Outside air temperature supply heat lockout
Default value =
32 °F (0 °C)
Disables heating operation based on outdoor air temperature.
From –15 °F up to 120 °F (-26 °C up to 49 °C)
(increments: 5° or 50°)
FA Range
FA range upper limit value
Default value:
0 CFM
Sets the upper limit of the CFM range. This parameter should be set
based on the rooftop unit size. If set to 0 CFM, the fresh air damper
control will be based on the Min/Max CO2 and Min/Max Pos values.
See Damper Position section for more details.
0 to 20 000 CFM (0 to 9438 L/s), 10 or 100 increments