Download i 0/ it 7 \ 412

US. Patent
Oct. 13, 1981
Sheet 1 of 5
4,294,40
Flg, /,
70'
//
o
/
59
55
I
o
_/
’
/,/"
,2
\_
,1
\ \\~L\__‘_ —--
u;
q.)
M
3.B
k
9)
E‘
t2 30°
/’3
T1
T2
T5 T4 T5
Time
Flame, Smoke, Ionization
——
IL
I
I
1
14
,
F79. 2.
Ro om Operation
Fire Detector
'-
16
Temperature Sensors
13
12
1 ~\
l
L
I
‘I’
i
Room
Hot Air, Hot Water,
Solenoid Valve
. Room Heat
21'
Control Signal
Hal-wing 1 RoomHea?ng _
:
Cool-"Ha
|
syi'f'"
50 x
‘\
t
:
'6
1
Medium
Fuel Control Signal
:
l_ ___________________ _ __1
A. C.Pawer and
Information '
I“
\ Automatic Telephone
DIG/mg Equipment
'
.
.
.
R910 y '
l
60 H7? Time
42
Control
Processor
System
Steam Control
To/From
Othe Rooms
I5\
'
: 20w
l
|
>
1
io/
l
:
|
>
I
I
w
Key Opem'ed
Delayed Alarm
Set, Reset Units
Alarm Arm ,
Disarm Signals
(BO-~60 Sec. Typical Delay)
Telephone Lines
_