39
PAD-4 Operation, Installation, and Maintenance Manual
5. PROGRAMMING
The PAD-4 functions are programmed with a 10-
position DIP switch and ten 3-position jumpers.
The following section describes each setting.
5.1 DIP SWITCH SETTINGS
The 10-position DIP switch allows you to select
the following:
• How long will the unit wait before indicating a
loss of AC in UL installations. Loss of AC
settings are disabled in Canadian installations
and AC Fail will be reported immediately.
• Which input (Input 1 or Input 2) will control
the NAC outputs
• Which outputs to wire as Style Z (Class A)
and Style Y (Class B)
• Auxiliary power output operation on AC
power fault
• Which outputs to operate as steady outputs,
ANSI temporal or Carbon Monoxide (CO)
alarms.
Refer to Figure 2-5 for the location of the DIP
switch on the circuit board assembly.
All DIP switches are factory set for off; verify proper
settings for proper system operation. Slide the
switches up for OFF and down for ON.
Note: The unit checks DIP switch settings
only when reset. If you change these switch
settings, you must push S2 reset switch to
recognize the new DIP switch settings.
ON
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