SIREC D Display Recorder 7ND4000

WARNING
ENSURE ALL MAIN POWER IS TURNED
OFF BEFORE PROCEEDING WITH
INSTALLATION. THIS UNIT IS
PROVIDED WITH A MATING
CONNECTOR FOR THE AC POWER
SOCKET OR WITH A COMPATIBLE
THREE WIRE GROUNDED CABLE
WHICH MAY BE TERMINATED WITH A
PLUG. ALWAYS ENSURE THE GROUND
WIRE (GREEN OR GREEN AND
YELLOW) OR GROUND PIN OF THE
PLUG, IS CONNECTED TO A LOW
IMPEDANCE SAFETY GROUND WITHIN
THE AC POWER DISTRIBUTION
SYSTEM. ALWAYS USE THE
RECOMMENDED MATING CONNECTOR
AND AN APPROVED THREE-WIRE
CABLE TO CONNECT THIS UNIT TO
THE MAIN AC.
A. Main AC Socket - The mains voltage is
connected via an appliance plug.
WARNING
THE APPLIANCE PLUG MUST BE
CONNECTED WITH THE CORRECT
POLARITY, I.E. THE CONNECTIONS L
AND N MUST NOT BE INTERCHANGED.
THE CORRECT CONNECTIONS ARE
SHOWN IN FIGURE 2-6.
THE CONNECTION TO THE BUILDING
INSTALLATION MUST BE EITHER FIXED
OR VIA A PLUG WHERE IT IS
IMPOSSIBLE
POLARITY.
TO REVERSE THE
Siemens AG C79000-G7374-C211-01
SIREC D Manual
104 022M A
Installation and Wiring
Figure 2-6 Application Plug
Table 2-1 AC Wiring Color Codes
COUNTRY GROUND Line
(HOT)
Neutral
(RET)
USA Green Black White
EEC Green/
Yellow
Brown Blue
B. Internal Fuse - This unit is equipped with an
internal AC mains Fuse. If it should blow, it generally
indicates a serious problem with the recorder
and is not operator serviceable. The rear panel
needs to be removed to replace the fuse which is
on the power supply module. The fuse is a fast
blow 5 x 20mm type rated at 2.5 A 250 VAC (~).
2.3.3 Signal Input Wiring. Refer to the
following paragraph.
WARNING
TO PREVENT THE POSSIBILITY OF
ELECTRICAL SHOCK, USE EXTREME
CAUTION WHEN WIRING SIGNAL INPUT
CONNECTIONS. HAZARDOUS POTEN-
TIALS MAY EXIST ON SIGNAL INPUT
TERMINALS WHICH ARE FLOATING
WITH RESPECT TO CASE GROUND.
THESE HAZARDOUS POTENTIALS MAY
BE ON THE REAR TERMINAL PANEL OF
YOUR INSTRUMENT. ANY VOLTAGE
POTENTIAL AT THE SIGNAL SOURCE
WILL EXIST ON THE INSTRUMENT’S
RESPECTIVE SIGNAL INPUT TERMINAL.
E.G. POWER GENERATOR STATOR
WINDING TEMPERATURE MONITORING
THERMOCOUPLES. ENSURE THE
POWER IS OFF BEFORE CONNECTING
SIGNAL INPUTS TO THE UNIT.
2-5