Greenheck Utility Distribution System - Manual (Page 6)

GREENHECK
¨ October 1999
6
ELECTRICAL FIRE FUEL CONNECTIONS
Installation
1. Route three wires in 1/2" conduit (as shown on drawing) from the micro-switch in the fire control system
(by others) to the equipment shut-off terminal block (red) in the Utility Distribution System. DO NOT
remove any existing wires from terminals. Connect wires to the UNUSED posts of the labeled terminal
block as follows:
a. Connect the neutral wire to the terminal labeled “N”.
b. Locate wire which supplies 120 volts during normal operating conditions (and is switched OFF when
fire control system is activated), and connect this wire to the empty terminal labeled “S1”.
c. Locate wire which is OFF during normal operating conditions (and applies 120 volts when fire
control system is activated), and connect this wire to the terminal labeled “S2”.
N
120 V
BLACK /S1
RED /S2
WHITE /N
TERMINAL
BLOCK MICRO-SWITCH
FIRE-FUEL SHUT OFF FIELD WIRING
NOTE: DASHED LINE INDICATES ITEMS FURNISHED BY OTHERS