Alderon Industries Check It Panel Operation, Maintenance & Installation Manual - Page 3

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Check It Panel
1 Phase Simplex Demand Dose
Operation, Maintenance & Installation Manual
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The Pump Run indicator light is green. If this light is illuminated the pump is running.
The Stop float, Start float and Alarm float indicator lights are red.
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Alarm Mode Configurations:
All "e" (economy) series control panels will only have a combination "test-normal-silence" switch where
automatic alarm reset is the only alarm configuration. When the panel goes into alarm, press the switch to
"silence" and the buzzer will turn off but the alarm indicator will remain on until the alarm level switch
deactivates and automatically resets the alarm system.
All other Check It series control panels employ separate "test" and "silence"
switches. These panels can be field modified to have a "manual" alarm reset.
Refer to figure for placement of an 18 AWG jumper wire to convert the panel
from automatic reset to MANUAL reset. In the Manual Reset mode and when
the panel goes into alarm, the panel will remain in alarm even if the alarm
level switch is "opened" until the "silence" switch is activated. This feature
allows alarms to be manually acknowledged before the alarm is cleared. In
the event of a power failure, the alarm is also cleared.
Use 18 AWG wire approximately 4" long. Strip off 1⁄4" outer insulation. Insert jumper wire into the 2 posi-
tion wire port (one wire per port). To remove jumper wire, press small screw driver or pointed object onto
the "white" port block and remove wire as the wire is held in place by a spring cage terminal device.
Circuit Board Terminal Blocks:
The Check It series control panel uses two terminal blocks. An 8 position main terminal block is for power
and level switch connections. A separate 3 position terminal block are for dry auxiliary contacts. A 5 amp,
120 VAC max load can be applied to the auxiliary terminals. The auxiliary contacts are Form C, Single Pole,
Double Throw. (Common, Normally Open, Normally Closed). Contacts change state when in alarm condi-
tion.
8 position terminal block
TM
Simplex Circuit Board Command Center
There is one HOA (Hand-Off-Auto)switch. This HOA switch is also used
as the Check It switch for diagnosing the control panel.
Two green power "on" indicators provide visual indication for the
control and alarm fuses. Fuses must be replaced with 1 amp fast acting
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5mm X 20mm fuses.
Auxiliary contact terminal block
P/N L1153
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