Installation Instructions

Siemens Industry, Inc.
Building Technologies Division
P/N 315-049475-72
(Refer to Figure 3.) Follow the instructions in the DPU Manual (P/N 315-033260) to
program the HTRI to the desired address. Record the device address on the label
located on the HTRI front panel. The HTRI can now be installed and wired to the
system.
WIRING (Refer to Figures 4 -9 ) Refer to the appropriate wiring diagram below and wire the
addressable interface module accordingly.
Recommended wire size: 18 AWG minimum
14 AWG maximum
Wire larger than 14 AWG can damage the connector.
Power Limited Wiring In compliance with NEC Article 760, all power limited fire protective signaling
conductors must be separated a minimum of ¼ inch from all of the
following items located within an outlet box:
• electric light
•power
• Class 1 or non-power limited fire protective signaling conductors
To meet the above requirements, the following guidelines must be observed when
installing this interface module.
If power limited wiring is not used within this outlet box, then these guidelines do
not apply. In that case, be sure to follow standard wiring practices.
HTRI-R Control Module The HTRI-R Control Module
Barrier must be used when
the HTRI-R relay contacts are
connected to non-power
limited lines. Break apart the
barrier to the correct size and
shape shown in Figure 4 for
either the 4-inch square or
double gang box. Install the
barrier diagonally into the
backbox to create two
separate compartments
within the backbox to
separate the wires, as shown
in Figure 4.
Figure 3
Wiring Switches
Figure 4
Installing the HTRI-R Control Module Barrier
Barrier
NOTES:
1. There can be any number of normally closed or normally open switches.
2. The end of line resistor must be located at the last switch.
3. Do not wire a normally closed switch across the end of line resistor.
4. Only for use with security and status applications.
5. Do not use N.O. switches for security applications.
NORMALLY OPEN SWITCHES
(SEE NOTES 2, 3 AND 5)
PROGRAMMABLENORMALLY CLOSED SWITCHES
(SEE NOTE 4)
PROGRAMMABLE
END OF LINE
RESISTOR
470 OHMS,
1/4W
END OF LINE
RESISTOR
470 OHMS,
1/4W
4-INCH SQUARE BOX
2 1/8-INCHES DEEP
BREAK OFF THIS
SECTION WHEN
USING A 4-INCH
SQUARE BOX
2.0 in
5.06 in
1.187 in
DOUBLE GANG BOX
3 1/2-INCHES DEEP
BREAK OFF THIS
SECTION WHEN
USING A DOUBLE
GANG BOX
3.25 in
4.5 in