SILENT KNIGHT 4821 - Commercial & Residential Fire Digital Alarm Communicator Transmitter (DACT) UL 864, NFPA 72 (Chapter 4); Hardware; Programming; Access Control UL-294

Introduction
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1.4.3.3 Commercial & Residential Fire Digital Alarm Communicator
Transmitter (DACT) UL 864, NFPA 72 (Chapter 4)
The DACT listing allows the 4821/4820 to be used to monitor an existing local fire alarm
control and/or a sprinkler system. For the 4821/4820 to be used as a DACT, the following
requirements must be complied with:
Hardware:
• A minimum of one 4860C Commercial Touchpad.
• Two 4165 Transformer Covers.
• A 4195 Auxiliary Power Supply.
• A 4875 Dual Phone Line Module.
• A 4884 Bell Module.
• Two 6712 12 VDC 7AH Standby Battery or Equivalent.
• Power switch bypass jumpers must not be cut.
Programming:
The following options must be selected when programming the control panel. (See Section 6
Programming for programming information.):
1. In the Low AC Report Time (Section 6.3.1.1) must be set between 6 and 12 hours.
2. In the Phone Line Enabled (Section 6.3.1.2) 2 Phone Lines option must be must be
selected.
3. In the Ground Start Telephone Network Used option (Section 6.3.1.2) must remain dis-
abled.
4. In the Phone Line Monitor Enabled option (Section 6.3.1.2) the Line Monitor option must
be selected.
1.4.3.4 Access Control UL-294
All 4860C touchpads must be located within the protected premises. The 4820 is not listed for
access control.(See Section 3 for access control installation information.)