techem 64251258, Operating Instructions Manual, Page: 17 / 146

17
Icons (Name plate / Display)
Heat meter
(heat energy) Interface ZVEI mode active.
TAVO devices communica-
tion only possible if inactive
simultaneously -> icon off.
Cold meter
(cooling energy) CE M... ... Calibration year, notified
body, ...
Inlet PN / PS Pressure level
Outlet e.g.
47114711 Article number
Symmetrical installation e.g.
E1 electromagnetic
precision class
Asymmetrical installation e.g.
M1 mechanical
precision class
Inlet temperature e.g.
2 Recording precision
class
Outlet temperature e.g.
DE-07-MI004-... Conformity number
Temperature difference qi [m
3
/h] lowest flow rate
(at qi/qp = 1:50)
Dip sleeve qp [m
3
/h] Nominal flow rate
Error display (warning triangle)
for all displays qs [m 3 /h] highest flow rate
Edit mode possible Q / Q q [°C] Temperature range
Only visible in the display test -
without a function! Unused ∆Q [K] Temperature difference
Representation for the respec-
tive display areas
Flow rate > 0
Only visible in the display test -
without a function!

kWh
000

kWh
000