Fct.3.8.10
EXT.TEMP
.
UNIT
.External temperature
display unit.
This selects unit to display temperature of the external
temperature sensor. The options available are
Deg. C
Deg. F
KELVIN
NO DISPLAY
Fct. 3.8.11 EXT. TEMP. F. S.
External
tempertaure full scale value.
This function is used to enter the full scale value of
the external tempertaure sensor.
LIMITS
:Upto 300 Deg. C
APPEARS
: If meter type is
NET HEAT METER
.
Fct. 3.8.12 EXT. POWER UNITS
This function is used to select the units to display
thermal power at external temperature sensor location.
The options avaliable are
KJ/hr
MJ/hr
GJ/hr
BTU/hr
KW
MW
NO DISPLAY
Fct. 3.8.13 EX. DRY.FACT
. External dryness
factor.
Enter dryness factor for saturated steam.
LIMITS
:
from 0 to 1
APPEARS
:
If meter type is
NET HEAT METER
and Fct.3.5.1
FLUID
is
STEAM.
Fct. 3.8.14 SEL. PROCESS
Select process.
This function is used to select the process. Options
available are
HEAT T1>T2
CHILL T2 > T1
DON’T CARE
LIMITS
:Not applicable.
APPEARS
:
If meter type is
NET HEAT METER.
Fct. 3.8.15 NULL TEMP.
This function is used to null the difference
between temperature sensors T1 & T2 in the
plant when plant is not running. This eliminates
the error in the calculation due to offset in same
temperature reading if measured by two different
temperature sensors.
LIMITS - max 3 deg. C
APPEARS – If meter type is
NET HEAT METER.
Fct 3.9.0 FAD PARA
This submenu level has functions which allow user to
program all operating data for FAD application.
APPEARS - If meter type is FAD meter.
Fct. 3.9.1 FAD UNITS
units for FAD
Select unit for display of parameter FAD Volume
flow. (FAD flow is vol. flow as calculated by meter at
the suction side of compressor.).
l
FAD.m3/hr
l
FAD.m3/min
l
FAD.m3/sec
l
FAD.L./hr.
l
FAD.L./min
l
FAD.L./sec
l
FAD.ft3/hr
l
FAD.ft3/min
l
FAD.ft3/sec
l
FAD.cft/hr
l
FAD.cft/min
l
FAD.cft/sec
l
NO DISPLAY
LIMITS - Not Applicable
APPEARS - Always
NOTE: If the unit selected is NO DISPLAY then
all other
Fct.3.9.x
functions are not shown and
FAD calculations are not performed by VFM
5090(I)
Fct. 3.9.2 TEMP.SUCT
suction temperature
Enter the suction temperature in any of the following
units -
l
Deg. C
l
Deg. F
l
KELVIN
LIMITS - 20
0
C to 70
0
C
APPEARS - Please refer to the NOTE.
Fct. 3.9.3 PRES. ATM.
atmospheric pressure
Enter atmospheric pressure. Possible units for this
parameter are -
l
Pa
l
KPa
l
atm
l
Bar
l
mBar
l
PSI.
l
Lbf/ft2
l
Kg/cm2
l
In.Hg.
l
mm Hg
l
mm Water
l
Pa_g
l
KPa_g
l
atm_g
l
Bar_g
l
mBar_g
l
PSI_g
l
Lbf/ft2_g
l
Kg/cm2_g
l
In. Hg_g
l
mm Hg_g
l
mm Water_g
LIMITS - 0.5 to 2.0 atm
APPEARS - Please refer to the NOTE.
36