EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE
EN2B-0285GE51 R0909 46
Table C2. Configuration Variables for Excel 10 FCU Controllers
NV name field name
engineering units:
English (metric) or states
plus range
digital
state
or
value
default comments
nciWallMod use_wall_mod_st_pt Bit
NO
YES
0
1
YES This configuration variable specifies whether the setpoint used is from
the knob on the wall module connected to the controller or from the
network via nciTempSetPts. If set to NO, all setpoints to be used come
from the network via nciTempSetPts. If set to YES, an additional option
set_pnt_knob must be set to specify type of setpoint adjustment (see
below).
nciWallMod set_pnt_knob 2 Bits
OFFSET
ABSOLUTE_MIDDLE
0
2
OFFSET This configuration variable specifies specifies the usage of the setpoint
knob on the wall module for the occupied setpoint. OFFSET specifies a
relative scale on the wall module where the setpoint is calculated by
adding the setpoint potentiometer value (± 5 K) to the appropriate
value of nciTempSetPts. ABSOLUTE_MIDDLE specifies an absolute
scale on the wall module. The setpoint knob directly determines the
center point of occupied cooling and heating setpoints. The respective
cooling and heating setpoint is determined by the setpoint knob
position adding or subtracting half of the user selectable ZEB defined
in nciSetPnts.<occ_mode>_cool or nciSetPnts.<occ_mode>_heat .
This applies to <occ_mode> OCCUPIED and STANDBY.
nciWallMod override_type 2 Bits
NO_BUTTON
BYPASS_UNOCCUPIED
BYPASS
0
1
2
BYPASS_UNOCCUPIE
D
This configuration variable specifies the behavior of the override
button. BYPASS_UNOCCUPIED allows overriding the current
occupancy mode to OCCUPIED for a configurable bypass time, or
causing a permanent override to UNOCCUPIED. BYPASS allows only
the temporary override to OCCUPIED and canceling it.
nciWallMod override_priority Bit
LAST_WINS
NETWORK_WINS
0
1
LAST_WINS This configuration variable specifies the priority of the local (wall
module push-button) or central (network interface) override. If
NETWORK_WINS is set and the network sends value NUL, then the
override button is active.
nciWallMod display_type Bit
LED_OVERRIDE
LED_OCCUPANCY
LCD_DISPLAY
0
1
2
LED_OVERRIDE This configuration variable specifies the display of occupancy and/or
override. LED_OVERRIDE shows the override from the bypass button
or from the network. LED_OCCUPANCY shows the effective
occupancy mode. LCD_DISPLAY is only used for T7560 Wall Modules.
The display shows the occupancy mode with different symbols, and the
override mode with flashing symbols.
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