Kamstrup MULTICAL 603 Technical Description

MULTICAL®603

KamstrupA/S∙Technicaldescription∙5512‐2029
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A1_GB
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06.2017
85
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7 Calculatorfunctions
7.1 Applicationtypesandenergyc alculations
MULTICAL

603operateswith15differentenergyformulas,E1,E2,E3,E4,E5,E6,E7,E8,E9,E10,E11,A1,A2,dEand
cE,whichareallcalculatedparallelwitheachintegration,irrespectiveofhowthemeterisconfigured.E8andE9are
usedasabasisofthecalculationof
averagetemperaturesofinletandoutlet,whereasE1andE3areusedforheat
andcoolingmeasurement,respectively.E4toE7areusedinanumberofenergyapplicationsthatareshownbelow.
A1andA2areusedasabasisfordiscount/surchargebasedontheoutlettemperature(seeparagraph7.1.3).

Formula

Exampleofapp lication Included inapp lication 
no.
Registertype
E1=V1(t1‐t2)k
t1:Inlet/t2:Outlet
 t1>t2 Heatenergy(V1ininletoroutlet) 1+2+3+4+5+6+8+10 LegalDisplay/Data/Log
E2=V2(t1‐t2)k
t2:Outlet
 t1>t2 Heatenergy(V2inreturn) 2+7 Display/Data/Log
E3=V1(t2‐t1)k
t2:Inlet/t1:Outlet
 t2>t1 Coolingenergy(V1ininletoroutlet) 1+11 LegalDisplay/Data/Log
E4=V1(t1‐t3)k
t1:Inlet
 t1>t3 Forwardenergy: 7+9+11 Display/Data/Log
E5=V2(t2‐t3)k
t2:Inlet
 t2>t3 Outletenergyortapfromoutlet 5+7+9 Display/Data/Log
E6=V2(t3‐t4)k
t3:Inlet
 t3>t4 Tapwaterenergy,separate 3+6 Display/Data/Log
E7=V2(t1‐t3)k
t3:Outlet
 t1>t3 Returnenergyortap fromflow 4+8 Display/Data/Log
E8=V1(m
3
)xt1‐Averagetemperatureininlet Seeparagraph7.1.2. Display/Data/Log
E9=V1(m
3
)xt2‐Averagetemperatureinoutlet Display/Data/Log
E10=V1(m
3
)xt3‐Averaget3inV1 Display/Data/Log
E11=V2(m
3
)xt3‐Averaget3inV2 Display/Data/Log
A1 t5>t2 Heatenergyatadiscount Seeparagraph7.1.3. Display/Data/Log
A2 t2>t5 Heatenergywithanaddition Display/Data/Log
dE=E4‐E5‐Differentialenergy 7 ‐
cE=E5‐E4‐Controlofdifferentialenergy 7 ‐
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Symbolsusedinapplication fig u res 

Temperature
sensor
Stopvalve Flowsensor

Calculator
Consumer,
e.g.radiators
Non‐returnvalve

Heatexchanger   



Kamstrup MULTICAL 603 Specifications

General

Flow Sensor	Ultrasonic
Battery Life	Up to 16 years
Power Supply	Battery
Communication Options	M-Bus, Wireless M-Bus, Modbus, BACnet
Display	LCD
Application	Heating and Cooling
Pressure Rating	PN16
Approval	MID
Accuracy	Class 2
Ambient Temperature Range	55°C
Housing Material	Brass