1.2.3 Trouble Condition
The series circuit containing the Trouble relay (K2) coil is the system's
supervised circuit. In the Normal condition, supervisory current is
observed by the Milliamp meter reading. The Trouble relay activates,
closing contacts
1
and 6.
An open in any portion of the series circuit causes a Trouble condition.
The following events take place:
o Supervisory Current is interrupted
o Milliamp meter reading goes to zero
o Trouble relay
(K2) de-energizes
o Trouble relay (K2) contacts 1 and
3
close
o Trouble lamp goes ON (terminals 10 and
6)
o Silenceable Trouble horn (LS1) goes ON
o Silenceable remote Trouble bell goes ON
(terminals 17 and 18)
o Nonsilenceable remote Trouble device goes ON
(terminals 15 and 16)
The silenceable Trouble horn and remote Trouble bell can be turned
OFF
by
placing the Trouble Silence switch (Sl) in the Silence position.
Correcting the Trouble condition automatically places the system in Normal
condition with one exception. The silenceable Trouble horn and remote bell
goes ON (ring back feature) indicating the Trouble Silence switch
(Sl) must
be placed in the Normal position.
1.2.4 Alarm Condition
The Control Panel goes into Alarm with the activation of any one of the
following:
o Test switch (S4)
o Heat detector
o Smoke detector
o Manual pull station.
L-
Monaco
Enie~p~ises
rc.
SPOKANE. WASHINGTON
99214
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