Specifications

Model SK-2224 Fire Control Panel Installation/Operation Manual
A-2 151051
A.1.2 Two-Wire Smoke Detectors
The table below lists two-wire smoke detectors that are compatible with the SK-2224. The
table is organized by manufacturer. The columns show the number of detectors per loop that
can be used.
Note: The check mark by manufacturers name indicates that this device can be used in enhanced mode.
Table A-1: Compatible Two-Wire Smoke Detectors
Manufacturer
Enhance
Mode
Compatible
Model Name or Number
(Base model name or number in
parentheses.)
Compatibility ID
# per Loop
Head Base
Apollo
55000-350 (45681-200) 55000-350 45681-200 24 / loop
55000-250 (45681-200) 55000-250 45681-200 24 / loop
Detection Systems
DS200 (MB200-2W) A B 24 / loop
DS200HD (MB200-2W) A B 24 / loop
DS250 (MB2W or MB2WL) B A 18 / loop
DS250HD (MB2W or MB2WL) B A 18 / loop
DS250TH (MB2W or MB2WL) B A 18 / loop
ESL
425 S10 N/A 40 / loop
425C S10 N/A 40 / loop
425CR S10 N/A 40 / loop
425CRT S10 N/A 40 / loop
425CT S10 N/A 40 / loop
429C (S10A) N/A S10A 30 / loop
429CRT (S11A) N/A S11A 30 / loop
429CST (S11A) N/A S11A 30 / loop
429CT (S10A) N/A S10A 30 / loop
609U01-11 S10 S00 40 / loop
609U02-11 S10 S00/S03 40 / loop
611U (601U or 602U) S10 S00/S03 40 / loop
611UD (601U or 602U) S10 S00/S03 40 / loop
ESL
(Cont.)
611UT (601U or 602U) S10 S00/S03 40 / loop
612U (601U or 602U) S10 S00/S03 40 / loop
612UD (601U or 602U) S10 S00/S03 40 / loop
711U (701E or 701U) N/A S10A 25 / loop
712U (701E or 701U) N/A S10A 25 / loop
713-5U (702E or 701U) N/A S10A 25 / loop
713-6U (702E or 701U) N/A S10A 25 / loop
721-U (S10A) N/A S10A 30 / loop
721-UT (S10A) N/A S10A 30 / loop