Zenner zelsius C5-CMF User Manual

2
Installation manual
General information
With zelsius
®
C5-CMF you have acquired one
of the most up-to-date, modern heat meters cur-
rently available on the market.
Expressive symbols in the display and easy
menu navigation make readout simple. Can be
operated with one single button. It is equipped
with a long-life battery made for operation dur-
ing the initial verication validity period (5 years)
including a reserve of at least another year. The
meter can be equipped optionally with a battery
lifetime of 11 years.
* optionally
Technical data flow sensor CMF (Values for symmetrical temperature sensors installation)
Nominal flow qp m³/h 0,6 1,5 2,5
Maximum flow qs m³/h 1,2 3,0 5,0
Minimum flow qi horizontally l / h 24 30 / 60 50 / 100
Minimum flow qi vertically l / h 24 30 / 60 50 / 100
Starting flow horizontally ca. l/h 5 5 7
Pressure loss at qp bar <= 0,25 bar
Temperature range °C 10°C <= θ
q
<= 90°C
Minimum pressure
(avoiding of cavitation)
bar 0,3
Measurement accuracy class 3
Connecting interface* M60, IST, TE1
Nominal pressure PS/PN 16
Nominal diameter DN depending on the connecting interface
Installation position horizontally or vertically, no upside down installation
Installation return flow optionally forward flow
Cable length up to calculator m 1,2
Installation place temperature sensors M10 x 1
Heat carrier water
Technical data temperature sensors
Platinum resistance Pt 1000
Sensor diameter/type mm Standard: 5,0 (DS according to EN 1434); other sizes on demand
Temperature range °C 0 - 105
Cable length m 1,5 (opt. 5)
Installation
forward flow by direct immersion or by immersion sleeves (in case of existing measuring points)
return flow
by direct immersion or by immersion sleeves (in case of existing measuring points);
optionally integrated in flow sensor

Zenner zelsius C5-CMF Specifications

General

Brand	Zenner
Model	zelsius C5-CMF
Category	Measuring Instruments
Language	English