MODEL Z11A FROST ALARM
This model features both a (built in) alarm buzzer and a relay contact closure output.
The Z11A includes three sensor probes that may be wired up to a mile from the frost alarm, using ordinary 20 GA or larger copper cable or telephone type wire.
Three different locations may checked by turning the Z11A's selector switch.
The frost alarms come with a plug in transformer that operates from 110 VAC / 60 HZ.
A separate 12 volt DC power input is also provided so the unit may, if desired, be connected to a 12 volt backup battery (to allow the system to remain operational in the event of power failure). Other features are detailled below:
MODEL Z11A FEATURES:
American made
Easy to use - Simple, Proven design
Alarm range= 25 to 35 Degrees F.
3 Sensors Included... Each may be used up to 1 mile away.
Lighted scale
Alarm buzzer and Light
Relay output - Contact closure (will carry 2 Amps)
Size = 7-1/2" X 8-1/2" X 3"" Deep.
Current draw: On AC with lights on = 45MA
On 12 VDC with lights off = 10MA
Unit draws an additional 40 MA when alarm is activated.
