11
Thermal sensitivity adj —
Select
“Thermal sensitivity
adj” setting on the “Service” interface.
Thermo-off fan speed —
Select
“Thermo-off fan
speed” setting on the “Service” interface.
Fig. 40 —Thermal Sensitivity Adj.
The thermal sensitivity adj sets a capacity interval. The
default is THERMAL ON (1
°
F).
Changeover time —
Select
“Changeover time” setting
on the “Service” interface.
Fig. 41 —Changeover Time
This is the changeover time for AUTO mode (
NOTE
:
AUTO mode is available for Heat Recovery systems only; it is
not available for Heat Pump systems.). Changeover time can
be set to 15 (default), 30, 60 or 90 minutes.
Anti cold blow —
Select
“Anti cold blow” setting on the
“Service” interface.
Fig. 42 —Anti Cold Blow
To prevent the discharge of cold air, the IDU fan is shut off
at
coil temperatures below this setting. Default setting is 68F.
Fig. 43 —Thermo-Off Fan Speed
This determines IDU fan behavior when the zone is
satisfied ("thermo off") - for both heating and cooling mode.
For cooling mode, the default setting is to
Maintain
last fan
speed before satisfying. For heating mode, the default setting is
for the fan to be off.
Static pressure —
Select
“Static pressure” setting on the
“Service” interface.
Fig. 44 —Static Pressure
This selects the static pressure setting of the IDU fan.
(
NOTE
: only applicable to IDUs with static pressure settings.)
The default setting is 0 in wc.
Occupancy sensor —
Select
“Occupancy sensor”
setting on the “Service” interface.
Fig. 45 —Occupancy Sensor
These settings are used when a field-provided occupancy
sensor is connected to contact input on IDU control board.
ON
enables occupancy sensor setback;
Occupancy Delay
sets the
amount of delay before setback; and
Occupancy Set Temp
Offset
selects the amount of setback after Occupancy Delay has
elapsed.