Dap4 LonWorks Interface Instructions
Document number 600-000-966 Ver. 3
8
Description
Read/
Write
Variable Name
Data
Type
LONworks
SNVT
CW Fan speed (%) sent via
BMS
Write
only
CW_Fan_Speed_bms I
nviCW_Fan_Speed 8
DX Fan speed (%) sent via
BMS
Write
only
DX_Fan_Speed_bms I
nviDX_Fan_Speed
8
Heater 2 Runtime - high
R
Ht2_Hours_H
I
nvoHt2_Hours_H
8
Heater 2 Runtime - low
R
Ht2_Hours_L
I
nvoHt2_Hours_L
8
Heater 3 Runtime - high
R
Ht3_Hours_H
I
nvoHt3_Hours_H
8
Heater 3 Runtime - low
R
Ht3_Hours_L
I
nvoHt3_Hours_L
8
Chilled Water Runtime - This
applies to chilled water units
only - high
R CW_Hours_H
I nvoCW_Hours_H
8
Chilled Water Runtime - This
applies to chilled water units
only - low
R CW_Hours_L
I nvoCW_Hours_L
8
Zone Airflow Setpoint kcfm
(Enter Total airflow
setpoint/100)
Write
only
ZM_Airflow_SP I
nviZone_Air_Setp
8
Water under floor alarm
R
Floor_Wtr_alm
D
Alarm_1 . Bit0
83
No air flow alarm
R
Air_Flow_alm
D
Alarm_1 . Bit1
83
Dirty filter from digital input
R
Filter_alm
D
Alarm_1 . Bit2
83
Alarm from humidifier digital
input
R
Humidifier_alm
D
Alarm_1 . Bit3
83
Temperature of return air above
firestat alarm set point
R
Firestat_alm
D
Alarm_1 . Bit4
83
One or more comps has short
cycled
R
Shortcycle_alm
D
Alarm_1 . Bit5
83
Loss of power requires manual
reset of alarm
R
PwrUp_alm
D
Alarm_1 . Bit6
83
Sensor is out of range
R
Humidity_fail
D
Alarm_1 . Bit7
83
Sensor is out of range
R
Ret_Air_fail
D
Alarm_1 . Bit8
83
Maintenance Schedule Due
alarm
R
Maint_alm
D
Alarm_1 . Bit9
83
High pressure alarm
R
C1_HP_alm
D
Alarm_1 . Bit10
83
Low pressure alarm
R
C1_LP_alm
D
Alarm_1 . Bit11
83
High pressure alarm
R
C2_HP_alm
D
Alarm_1 . Bit12
83
Low pressure alarm
R
C2_LP_alm
D
Alarm_1 . Bit13
83
Smoke detected from digital
input
R
Smoke_alm
D
Alarm_1 . Bit14
83
No water flow alarm
R
Wtr_Flow_alm
D
Alarm_1 . Bit15
83
Sensor is out of range
R
Disch_Air_fail
D
Alarm_2 . Bit0
83
Temperature of return air above
alarm set point
R
RA_Tmp_hi_alm
D
Alarm_2 . Bit1
83