Power Supply For Calculator/Pulse Transmitter; Battery Supply; Mains Modules - Kamstrup MULTICAL 601 Installation And User Manual

6.

Power supply for calculator/Pulse Transmitter

MULTICAL® 601 can be power supplied by means of a built-in lithium battery, an
internal 24 VAC mains module or an internal 230 VAC mains module.
The two wires from the battery or mains module are mounted in terminals 60 and
61 of the calculator.
The polarity has to be correct; connect the red wire to terminal no. 60 (+)
and the black wire to terminal no. 61 (-).
6.1

Battery supply

MULTICAL® 601 is connected to a lithium battery, D-cell. The battery is marked with
installation year, e.g. 2009, as well as production date.
Optimal battery life is obtained by keeping the battery temperature below 30°C, e.g.
by wall mounting.
The voltage of a lithium battery is almost constant throughout the whole lifetime of
the battery (approx. 3.65 V). Therefore, it is not possible to determine the remaining
capacity by measuring the voltage.
The battery cannot and must not be charged and must not be short-circuited. Used
batteries must be handed in for approved destruction, e.g. at Kamstrup's.
6.2

Mains modules

The modules are protection class II and are connected via a two-wire cable (without
earth) through the cable bush of the calculator placed in the right side of the
connecting base. Use a connecting cable with an outer diameter of
5–10 mm and ensure correct dismantling as well as correct mounting of the cable
relief.
Max. permitted fuse: 6 A
National installation regulations must be obeyed.
Black
Red
24 VAC
E.g. transformer 230/24 V,
type 66-99-403 can be used.
nB! MULTICAL® 601 cannot be
supplied from 24 VDC.
10
Black
Red
230 VAC
This module is used for direct mains
connection.
nB! External supply must only be
connected to the supply module.