Commissioning Instructions

Step 8 Fault detection and diagnostics parameters
18
Supply heat temp fault and diagnostics
Configuration:
Descriptor
Object
Type
Default
Value
Units
Enumeration
Abbreviated Name
(BACnet)
Supply air heating temperature fault
MCalcVal
Normal
1: Normal
2: Hi Temp
3: Lo Temp
SU H TMP FLT
(HTSuFLt)
Primary air temperature
Supply air temperature from the air
handling unit.
ACalcVal
32
°F
PRI AIR TMP
(TPa)
Supply temp heating controller for
heating coil.
ACalcVal
0
%
HclTSuCtrH
Supply air heating temperature
tolerance
Difference between measured
discharge air temperature and the
larger value between the discharge air
temperature setpoint or primary air
temp (SAT from AHU), that is needed
to trigger supply air temperature
setpoint fault.
ACnfVal
9
(5. K)
°F
HtSuFltTol
Supply air heating temp. fault delay
The duration the temperature setpoint
tolerance must be exceeded to trigger
the supply air temperature setpoint
fault
ACnfVal
600
s
HTSuFltDly
Enable VAV flow setpoint
ACnfVal
100
(4.7)
(17)
Ft3/min
(l/s)
(m3/h)
EnVavSpFl