Part No. 4801-1201 Rev. 1-20
Alert Alarm III
7
8. Alarm Connections to Other Farm Hand Controllers
N.C.
N.O.
Aux Alarm
N.C.
N.O.
Aux Alarm
This is the proper way to connect the Farm Hand family of auxillary alarm outputs to an Alert Alarm III. The
Alert Alarm III activates when the connection is broken between the
Sig
and
Gnd
terminals.
Alert Alarm III Series Alarm Connection
Note 1: As long as a path for current to flow is present, the Alert
Alarm III is not activated. Consequently, if one controller alarms,
the path will be broken and the alarm will be activated.
Aux1 or Aux 2
Sig
Gnd
Note 1
W hen this controller is used in a life support heating
and ventilat ion system where failure could result in loss
or injury, the user should provide adequate backup
ventilation or accept the risk of such loss or injury.
WARNING
ADVERTENCIA
C uando este contr ol s e utilize en sis temas de v entilac ion y
calefacc ion par a s eres vivientes donde una falla pueda
caus ar una per dida o dano, el us uario debera tener s istemas
de ventilacion alter nos o aceptar el r ies go de perdida o
danos.
LIMIT SETPOINTS
ALARM SOURCES
TM
Automatic Audible Alarm System
HIRE D-HA ND
R
(P RO CE DE NCIA DE L A AL ARMA)
(L IMITES)
POWER
TEST
(PRUEBA)
(POTENCI A)
Battery Low
Power Out
Sensor 1
Sensor 2
Auxiliary 1
Auxiliary 2
Conditions Normal
(CONDICION NORMAL)
(BATE RIA BAJA)
(P OTE NCIA AP AGADA)
(S ENS OR 1)
(S ENS OR 2)
(AUXILIAR 1)
(AUXILIAR 2)
LOW LIMIT
40
45
50
55
60
65
70
75
80
10
20
5
25
C
F
15
(LIMITE BAJO)
HIGH LIMIT
80
85
90
95
100
105
110
115
120
30
40
45
50
C
F
35
(LIMITE ALTO)
(P RENDIDO)
(APAGADO)
On
Off
R
R
ALERT ALARM III
Alarm
N.O.
N.C.
Alarm
N.C.
Com
Note 2: Remove the jumper between the
Sig and Gnd terminals when installing
external alarm inputs.
Note 2
N.O.
