MULTICAL® 803
104
Kamstrup A/S · Technical description · 5512-2360_A1_
GB
_02.2019
Calculation
Condition
Heat energy
(E1, A1, A2)
Inlet
E1
= m
3
x
(t1-t2)k
t1
A1 = m
3
x
(t5-t2)k
t1
A2 = m
3
x
(t2-t5)k
t1
t1 > t2
If t1 = t2, then E1, A1, A2 = 0
If t5-t2
≤
0, then A1 = 0
If t2-t5
≤
0, then A2 = 0
θ
t1
>
θ
hc
(meter type 6)
Outlet
E1 = m
3
x
(t1-t2)k
t2
A1 = m
3
x
(t5-t2)k
t2
A2 = m
3
x
(t2-t5)k
t2
t1 > t2
If t1 = t2, then E1, A1, A2 = 0
If t5-t2
≤
0, then A1 = 0
If t2-t5
≤
0, then A2 = 0
θ
t1
>
θ
hc
(meter type 6)
Cooling energy
(E3)
Inlet
E3 = m
3
x
(t2-t1)k
t1
t1 < t2
θ
t1
>
θ
hc
(meter type 6)
Outlet
E3 = m
3
x
(t2-t1)k
t2
t1 < t2
θ
t1
>
θ
hc
(meter type 6)
Inlet/outlet energy
(E8, E9, E10, E11)
E8 = V1
[
m
3
]
x
t1
E9 = V1
[
m
3
]
x
t2
E10 = V1
[
m
3
]
x
t3
E11 = V2
[
m
3
]
x
t3
Note: In case of error on temperature sensor t1, t2, t3 or t4, the energy calculation and the counting stop in the
registers that are influenced by the error. Furthermore, the displayed reading in question will include lines, see the
table at the beginning of paragraph 6.