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Greenheck – Greenheck Utility Distribution System User Manual

Page 6

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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