MULTICAL® 803
Kamstrup A/S · Technical description · 5512-2360_A1_GB_02.2019
63
4.3
Mounting in inlet or outlet pipe
MULTICAL® 803 is configured for flow sensor mounted in either inlet or outlet pipe during installation. In the display,
the flow sensor position is indicated by a symbol; subsequently, the A code of the configuration number is selected
as 3 or 4 for flow sensor mounting in inlet and outlet, respectively. The table below indicates installation conditions
of heat meters and cooling meters: See more about the inlet and outlet positions and the importance to the energy
calculation in paragraph 7.
Formula
k-factor
A code and
display
Hot
pipe
Cold
pipe
Installation
Heat meter
E1=V1(t1-t2)k
k-factor for t1
and V1 in inlet
A code = 3
Display
V1 and
t1
t2
See application no. 1 in paragraph
7.1
k-factor for t2
and V1 in
outlet
A code = 4
Display
t1
V1 and
t2
See alternative position of the flow
sensor in application no. 1 in
paragraph 7.1
Cooling meter
E3=V1(t2-t1)k
k-factor for t1
and V1 in inlet
A code = 3
Display
t2
V1 and
t1
See application no. 1 in paragraph
7.1
k-factor for t2
and V1 in
outlet
A code = 4
Display
V1 and
t2
t1
See alternative position of the flow
sensor in application no. 1 in
paragraph 7.1
4.4
Connection of temperature sensors and flow sensors
MULTICAL® 803 always has the same number of connection terminals on the connection board. The connection
terminals are placed in a row at the bottom of the calculator base and all connection terminals are numbered. When
ordering MULTICAL® 803 prepared for flow sensors with 24 V active/passive pulses (type P), an additional connection
board will, in addition to the connection terminals on the connection board, be mounted across the connection
terminals of the flow sensor connection for galvanic separation between 24 V pulses and calculator. It is always
possible to rebuild and reconfigure MULTICAL® 803 to flow sensors with 24 V active/passive pulses (type P) using this
extra connection board (6699-045) and METERTOOL HCW. An overview of the possible connections are shown in the
figure below. This figure is also available on the grey verification cover in the calculator top of MULTICAL® 803.