2.9.3
Select “AC + Refrigeration”
Smart Probes: 2x t115i, 2x t549i
Optional: t605i, t905i
1.
Press
and select
Edit view
Press
to select Low-pressure and high-pressure probe
t549i as well as t115i Clamp Thermometers in order to
calculate superheating (tcu) and sub-cooling (toh)
Once chosen, the probes will be saved as selected for next
measurements
Stick the delivered blue and red sticker on the t549i to identify
them as High- or Low-pressure probes
Press on the right to select the refrigerant that is used for
calculation
Superheat and sub-cooling are automatically calculated
2.
Press
and select
Pressure setting
for t549i
(also for t510i)
Set your ambient pressure to calculate the right reference
value for an accurate measurement
3.
Press
and select
Zero pressure sensor
in order to zero the
pressure sensor of t549i
(also for t510i).
Please make sure that all connections are at ambient pressure
before zeroing. Make sure to zero the sensor before measuring!
4.
Press
and
Set
surface compensation
factor to improve the
measuring accuracy of surface temperature readings.
For penetration or air temperature measurements please
deactivate the factor.
2.9.4
Select “Target Superheat”
Smart Probes: 2x t115i, 2x t549i
1.
Press
and select
Edit view
s
ee “AC + Refrigeration”
2.
Select
Configure measurement
Settings Target Superheat
= manual
Setting of ODDB (outdoor dry bulb) temperature
and RAWB (return air wet bulb) temperature.
This is necessary in order to calculate the Target
Superheat temperature
Superheat, sub-cooling, and target superheat are
automatically calculated in the app
3.
Press
and select
Pressure setting
s
ee “AC + Refrigeration”
4.
Press
and select
Zero pressure sensor
s
ee “AC +
Refrigeration
”
5.
Select
Set surface compensation
s
ee “AC + Refrigeration”
6.
The calculated target superheat is shown as a
gauge control
! Please only use this menu for ducted split system air conditioners/ heat
pumps that do not have a thermostatic expansion valve (TXVs)
!
Summary of Contents for Smart Probes 115i
Page 1: ...Testo Smart Probes ...
