Siemens MXL-IQ Operation, Installation, And Maintenance Manual page 33

3. Pull All Field Wiring Into The Backbox
Pull all field wiring into the backbox and
dress the wiring to the approximate location
to which it will go. Refer to the MSE-3L
Power Limited Wiring Instructions, P/N 315-
095445.
4. Install the SMB-2
(Refer to Figure 23)
Unpack the SMB-2. Inspect the module,
looking for such things as integrated
circuits (ICs) not firmly seated in their
sockets, bent IC pins, connectors not
properly installed, dirt, packing material on
the board, etc.
The installation kit consists of the following
items:
Two #6 nuts
Four #6 screws
Six #6 washers
Six #6 lockwashers
Two resistors
Battery cable with a wire
a. Place the SMB-2 over the two studs in
the upper right-hand portion of the
backbox (See Figure 23).
b. Secure in place using the hardware
provided.
Be sure the screws and nuts are tight, as
they provide the earth ground connection
for the SMB-2
5. Install the MPS-6/12
(See Figure 24)
The MXL-IQ is designed to operate from a
120 VAC, 60 Hz power source. Use a
separate or dedicated circuit-breaker. Wire
in accordance with local codes and Article
760 of the NEC, NFPA 70, latest edition.
Run the earth ground from a suitable
source to the MPS-6/12. Check local
requirements. Conduit is not an accept-
able conductor.
Make sure that the dedicated circuit-breaker
for the MXL-IQ is turned off at the mains.
Place the mounting bracket for the MPS-6/
12 over the two studs provided in the
enclosure as shown in Figure 24.
Secure the MPS-6/12 to the MSE-3L by
slipping the flat washers, then the
Figure 23
Installing the SMB-2
Figure 24
Installing the MPS-6
Installation
2-3