Battery Backup Installation - Little Giant OS3 Series Owner's Manual

Level Sensor Wiring
Connect the wires from the level sensor to the terminal strip inside the control panel.
• Do not install sensor cables in conduits with main power or pump cables.
• The Preset Level Sensor and Auxiliary Contact wires are low voltage class 2 wires.
• Do not mix high and low voltage circuits in the same junction box.
If splicing the sensor cable is required:
• Consult the factory for any splicing longer than 100 feet.
• Use liquid-tight junction boxes and appropriate liquid-tight conductors and/or conduit.
• For level sensor splice, 3 pair-twisted is recommended.
Level sensor wire connections in the control panel:
1. Green: Off Probe
2. Yellow: Start Probe
3. Red: Alarm Probe
4. White: Float
5. Black: Float
6. Shield (Ground)
Remote Alarm Panel Installation

Battery Backup Installation

1. Remove the cover.
2. Install a 9 VDC battery.
3. Press Alarm Test to ensure that the alarm sounds and the battery
backup system is working.
4. If not using auxiliary contacts for an existing alarm security sys-
tem, reinstall the access cover.
Mounting the Alarm Panel
• Mount the alarm panel within 5 feet of an electrical outlet using two
8 x 1-1/4-inch self-tapping screws (not included).
• Make sure the outlet is on a separate circuit breaker from any other device.
• Use a #8 plastic anchor if mounting to sheet rock.
Remote Alarm Panel Installation
1 2 3 4
Remove Cover To Insert 9v
Battery. Replace Yearly.
Auxiliary Contacts Inside.
3
INSTALLATION
5 6
1
Oil Sensing
Sump System Alarm
High High High H H ig g g g g gh h h h gh H g g h h h H H H i i g g g H H h High High g ig g g g h
P P P P P ower Power Oil Oil W W Water Water
Alarm
Alarm
Silence
Test
Oil Sensing
Sump System Alarm
High High
Oil Water
Power
Alarm Alarm
Silence
Test
5