Page 7
In
dex
Application Description
Send
Heartbeat
Functional Block
SNVT
In
dex
Application Description
Send
Heartbeat
Functional Block
TypeName
11 nviOccManCmd SNVT_occupancy sccRooftop —
Used to command the Space Comfort Controller
into different occupancy mode
12 nviOccSensor SNVT_occupancy sccRooftop —
Used to indicate the presence of occupants in the
controlled space .
13 nviFanSpeedCmd SNVT_switch sccRooftop — Used to set the unit's blower speed.
14 nviComprEnable SNVT_switch sccRooftop — Used to disable compressor operation.
15 nviAuxHeatEnable SNVT_switch sccRooftop — Used to disable auxiliary heat operation.
16 nviEconEnable SNVT_switch sccRooftop — Used to enable and disable economizer operation.
17 nviEmergOverride SNVT_hvac_emerg sccRooftop —
Used to command the device into different emer
gency modes. Supported enumerations:
EMERG_NORMAL
EMERG_PRESSURIZE
EMERG_DEPRESSURIZE
EMERG_PURGE
EMERG_SHUTDOWN
EMERG_NUL
18 nviOutdoorTemp SNVT_temp_p sccRooftop —
Supported range: -30.6 to 131.6 F.
Input must be updated within 5 minutes.
19 nviSpaceRH SNVT_lev_percent sccRooftop —
Input must be updated within 5 minutes. Must be
enabled with ECTO 5.27
20 nviSpaceIAQ SNVT_ppm sccRooftop —
Supported range: 0 to 2,000 ppm
Input must be updated within 5 minutes. Must be
enabled with ECTO 5.27
21 nviOAMinPos SNVT_lev_percent sccRooftop —
Used to provide a dynamic minimum position set
point for an outdoor air damper. When valid it will
supersede nciOAMinPos.
22 nviApplicMode SNVT_hvac_mode sccRooftop —
Used to set the unit's operating mode. Supported
values:
AUTO, HEAT ONLY, COOL ONLY, FAN
ONLY, OFF
Must be updated within 120 minutes, if used.
23 nvoSpaceTemp SNVT_temp_p sccRooftop Yes
This output is the effective space temperature value
that the control is using. The support range is 36 to
100 degrees Fahrenheit.
24 nvoUnitStatus SNVT_hvac_status sccRooftop Yes Reports the controller status.
25 nvoEffectSetpt SNVT_temp_p sccRooftop Yes
Reports the current effective space temperature
setpoint.
26 nvoEffectOccup SNVT_occupancy sccRooftop No Reports the effective occupancy state.
27 nvoSetpoint SNVT_temp_p sccRooftop No
Reports the current setpoint without the application
of nviSetptOffset.
28 nvoFanSpeed SNVT_switch sccRooftop Yes Reports the current unit blower speed
29 nvoDischAirTemp SNVT_temp_p sccRooftop No
Reports the discharge temperature value. Sup
ported range, -8 to +163 degrees Fahrenheit.
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