Model SK-5208 Fire Control/Communicator Installation and Operation Manual
2-2 P/N 151204
2.2 Underwriters Laboratories (UL)
The SK-5208 is UL Listed as a control unit for use in Central Station Protected Premises,
Local Protected Fire Alarm Systems, Auxiliary Protected Fire Alarm Systems for Fire Alarm
Service (City Box), Remote Station Protected Fire Alarm Systems and water releasing
service. If the SK-5208 and its accessories are to be used as part of a UL installation, carefully
read the UL requirements in this section.
2.2.1 Requirements for All Installations
General requirements are described below. The sections that follow describe additional
requirements for the type of installation (for example, Central Station Fire Alarm systems,
Local Protected Fire Alarm systems, and so on).
1. Use UL listed smoke detectors compatible with the SK-5208. Refer to Appendix A.
2. Use UL listed compatible notification devices. Refer to Appendix A.
Restricted Options:
• The loss of AC signal is defaulted to 3 hours however the system allows settings from 0 -
30 hours. For UL certified installations this number must be set from 1 to 3 hours.
• Call forwarding shall not be used.
• When cross zoning is used detector spacing shall be cut in half, you shall not use the alarm
verification feature, and no delay shall be used.
2.2.2 Requirements for Central Station Fire Alarm
Systems
1. The Phone Line “Line Dial Type” must be selected for anything other than “Not Used”.
(See programming Section 4.2.9).
2. On class A (style D) zones, the number of waterflow devices is limited to five.
3. Auxiliary relays may not be programmed to activate for Pre-Alarm. See programming
Section 4.2.5.
2.2.3 Requirements for Auxiliary Protected Fire Alarm
Systems for Fire Alarm Service
1. Follow the current load restrictions shown in Section 3.6.
2. The Model 5220 Direct Connect module must be installed (see Section 3.15.1 for wiring).
2.2.4 Requirements for Remote Station Protected Fire
Alarm Systems, for Digital Communication or
Polarity Reversal
1. Follow the current load restrictions shown in Section 3.6.
2. Use the SK-5208’s built-in dialer or install the Model 5220 Direct Connect Module (see
Section 3.15.1).
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