SECTION 4 – SYSTEM INSTALLATION
UL EX3830 ULC EX3830
PagE 4-6 REV. 06 2014-NOV-10
KITCHEN KNIGHT II Restaurant Fire Suppression Manual
DETECTOR INSTALLATION (Continued)
Fusible Link Installation Using Model FLH-1 Fusible Link
Hangers
Beginning at the control head, feed the stainless steel cable
through the conduit and brackets to the terminal bracket in one
continuous length. allow approximately 2.5 in. (64 mm) of slack
at each bracket for the installation of the fusible link hangers. at
the terminal link, a tight loop is made in the cable and secured
by the crimp provided. The cable is attached to the far side of
the terminal bracket using an “S” hook. The “S” hook must be
crimped closed after the cable is installed. See Figure 4-10.
FIGURE 4-10
002877PC
Begin installing the fusible link hangers at the terminal bracket
and work toward the control head. Loop the cable through the
oval opening in the hanger and hook the fusible link on the loop.
See Figure 4-11.
Note: Only A-PC-style Fusible Links can be used.
FIGURE 4-11
002878PC
Hook the bottom of the link onto the bottom leg of the hanger.
See Figure 4-12.
FIGURE 4-12
002879PC
Center the hanger/link in the fusible link bracket by sliding
it along the link line. This is easily accomplished before any
tension is applied to the link line. Repeat this procedure for all
fusible links.
after the last hanger/link in the series is connected, the cable
should be fed through the hole in the fusible link ratchet wheel.
The line must then be crimped, and the crimp positioned inside
the center of the ratchet wheel.
NOTICE
Crimps must always be used in conjunc-
tion with two cable lengths. Loops are the
accepted method of connecting the cable
to mechanical components. The crimp must
never be used on a single cable. Exception:
Single cable crimp allowed in detection and
gas valve ratchet wheel using Stop Sleeve
(Part No. 26317) (Packages of 10: Part No.
24919).
The fusible link line can now be put into a set position by apply-
ing tension to the fusible link line. This is accomplished by using
a 1/2 in. hex wrench on the fusible link line ratchet wheel. The
ratchet wheel will be ratcheted in a clockwise direction until the
spring plate makes contact with the top of the control head box.
The fusible link line is now in a set position. See Figure 4-9.
Check to ensure that the fusible link hanger(s) remain centered
in the bracket after the fusible link line is set. See Figure 4-13.
NOTICE
If wire rope requires splicing, a splice is to
be a minimum of 12 in. (305 mm) from any
pulley elbow or conduit adaptor to avoid
interference.
FIGURE 4-13
002849bPC
Thermal Detection
Thermal detectors are always used in conjunction with the
Model ECH3 Electrical Control Head. after mounting the cylin-
der and control head, the thermal detector(s) can be installed.
Install the thermal detector(s) in the plenum area of the ventila-
tion hood over all protected appliances and in each duct. See
Section 3 – System Design for detector placement guidelines.
Follow the instructions included with the detector for proper
detector mounting procedures.
