NOTICE TO INSTALLER: Instructions must remain with installation.
Product information presented
here reflects conditions at time
of publication. Consult factory
regarding discrepancies or
inconsistencies.
For indoor use only.
All electrical and safety codes must be followed in addition to the National Electrical Code and all applicable local codes.
SPECIFICATIONS
This alarm unit monitors liquid levels in lift pump chambers, sump pumps basins, holding tanks, and other non-potable water applications. It features a green "power
on" light, a red input light, an audible buzzer, and a silence/test button. The APak
alkaline AA batteries, which are not included and must be purchased separately (see Figure A).
ALARM UNIT INSTALLATION
1) Before installing alarm, remove the 4 cover screws to access battery compartment (see Figure B) and install two standard alkaline AA batteries, not included.
2) Mount the alarm unit securely.
3) Plug transformer's barrel connector into the APak
4) Plug transformer into standard, 120 V AC, 60 Hz receptacle.
NOTE: The APak
Alarm should be connected to a circuit separate from the pump circuit.
®
Installations using AC power and batteries can skip the following explanation and chart. Some installations may require the APak
only or by AC power only. For appropriate alarm behavior in such installations, see the following chart.
Power choice
Resulting alarm behavior
AC & batteries
Alarms for power outage and low battery.
AC only
Low battery alarm disabled.
Batteries only
Power outage alarm disabled.
ALARM
Figure A
POWER
TRANSFORMER TO POWER SUPPLY
NOTE:
"DO NOT" PLUG A-PAK ALARM SYSTEM
INTO THE SAME CIRCUIT AS THE PUMP
ZOELLER
FIBERGLASS
OR POLYETHYLENE
BASIN
ALARM
"ON" LEVEL
ZOELLER
VERTICAL
REED SENSOR
PUMP "ON"
LEVEL
PUMP "OFF"
LEVEL
MAIL TO: P.O. BOX 16347 • Louisville, KY 40256-0347
SHIP TO: 3649 Cane Run Road • Louisville, KY 40211-1961
TEL: (502) 778-2731 • 1 (800) 928-PUMP • FAX: (502) 774-3624
. Secure power cord so it does not interfere with or obstruct any other devices.
®
SILENCE
ZOELLER
UNICHECK
INPUT 1
10-4011 pictured
© Copyright 2021 Zoeller
ALARM INSTALLATION INSTRUCTIONS
plugs into a 120 V, 60 Hz receptacle. Battery backup power is applied by two standard
®
Do this
Insert batteries and connect to power.
Hold button while powering up the alarm for about 5 seconds until a single beep is heard, then
release the button. This setting will be remembered by the alarm even after a power outage. If
this setting is no longer desired, simply adding batteries will remove this setting.
Insert batteries. The alarm will not detect AC power if it is never applied.
Figure B
TO POWER SUPPLY
4" [102 mm] OF GRAVEL
SK3103
Co. All rights reserved.
®
Visit our website:
zoellerpumps.com
alarm to be powered by batteries
®
TO POWER SUPPLY.
REMOVE (4) COVER SCREWS
TO INSTALL/REPLACE BATTERIES.
S I L
E N
C E
P O
W E
R
IN P
U T
1
TO CONTROL SWITCH.
SK3102
FM2931
0121
Supersedes
0218