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51 95-7769—01
CVAHU Miscellaneous
Purpose
Define additional CVAHU Controller parameters, such as DLC
setpoint bump.
Mode
Configuration can be performed with the wizard Off-line or
On-line.
Procedure
1. Click the Miscellaneous button on the left pane to open
the Miscellaneous Configuration page.
2. Enter information into available fields.
3. Click Commit to save the settings or Reset to revert to
the last saved settings.
4. Click Next to display the PID Configuration page or
Back to display the Zone Options Configuration
page.
CVAHU Miscellaneous fields
Table 25 lists the CVAHU Miscellaneous fields.
Max. Limit
Setpoint
Provides an upper limit on the allowed
settings of the setpoint knob of the Wall
Module. Enabled if Wall Module Setpoint
is configured (Input tab). Values range
from -9 to 9, (Setpoint default set to
OFFSET) or from 50 to 90 (Setpoint
default set to ABSOLUTE_MIDDLE).
Table 25. CVAHU Miscellaneous Fields.
Name Definition
IAQ CO2 Setpoint Setting above which the Indoor Air
Quality (IAQ) is deemed to be poor, and
the controller enters the IAQ override
mode. Values range from 0 to 2000 PPM
(Enabled when SpaceCo2 sensor is
selected).
DLC Setpoint
Bump
Upon receipt of a DLC_Shed signal over
the L
ONWORKS network, the current
operating setpoint value is bumped up/
down (for cool/heat modes) by this
amount. Values range from 0 to 10 DDF
(0 to 5.56 DDK).
Table 24. CVAHU Zone Options Fields. (Continued)
Name Definition
Use Wall Module Select one of the following options:
• Yes
• No
If set to Yes, the wall module setpoints
are used by the controller and those set
in the configuration are ignored.
If set to No, the setpoint values set in the
configuration are used.
Override Type Specify the type of Bypass override
functions that are available from the Wall
Module’s Override push button. Select
one of the following options:
• None (no Bypass configured for wall
module)
• Normal
• Bypass (no Continuous Unoccupied
allowed from the push button)
Override Priority Set the priority scheme for the Bypass
override function. Options are:
• LastWins - Last received input takes
precedence. It can be either the
Bypass button or the Network signal.
• NetManOccWins - The Network signal
always takes precedence over the
Bypass button.
NOTE: This field is available only if
Override Type is Normal or
Bypass Only.
Bypass Time Set the time period for a bypass override
event. Values range from 0 through 1080
minutes. Enabled if Override Type is
Normal or Bypass Only
Max. DaTemp
Setpoint
Values range from 65 to 135 ºF
(18.33 to 57.22 ºC). Enabled if a
discharge air temperature sensor is
selected.
Min. DaTemp
Setpoint
Values range from 0 to 60 ºF
(-17.78 to 15.56 ºC). Enabled if a
discharge air temperature sensor is
selected.
Setpoint Knob
Type
Relative - (plus or minus up to 9 DDF (5
DDK) from the current actual setpoint set
on the Zone Options tab).
Absolute Middle - (the knob of the Wall
Module sets the midpoint between the
heat and cool current actual setpoints)
Table 25. CVAHU Miscellaneous Fields. (Continued)
Name Definition