Kamstrup MULTICAL 402 - 5.4 Application at medium temperature, which is less than 5 °C lower than the ambient temperature

24 VAC Supply
Black
Red
230 VAC Supply
Black
Red
24 VAC
F.inst. transformer 230/24 V, type
66-99-403, can be used.
Note! MULTICAL® 402 cannot be
supplied by 24 VDC.
230 VAC
This module is used for direct
mains connection.
Note! External supply must be con-
nected to the supply module
7. Testing the function
Carry out an operational check when the energy meter has been fully
mounted. Open thermoregulators and cocks to establish water flow
through the heating system. Activate the top key on
MULTICAL® 402 and check that the displayed values for temperatures
and water flow are credible values.
8. Electrical connection
The two pairede 2-wire sensors must be mounted in terminals 5 and 6
(T1), and 7 and 8 (T2). The polarity of temperature sensors T1 and T2 is
unimportant.
See the position of the terminals below:
Terminal no.
Standard heat and cooling
measurement
T1 5–6 Sensor in inlet pipe (red)
T2 7–8 Sensor in outlet pipe (blue)
T1
T2
5
6
7
8
14