© 2014 UTC Fire & Security Americas Corporation, Inc. 1 / 6 P/N 13083-EN • REV J • ISS 10APR14
ESL 700 Series Conventional Smoke and Heat
Detector Installation Sheet
Description
The ESL 700 Series smoke or smoke with rate-of-rise heat
detectors have field-replaceable optical chambers. The
detector uses an optical sensing chamber to detect smoke and
a fixed-temperature heat sensor to detect heat from fire. For a
list of model numbers, see Table 1. For a list of accessories,
see Table 2.
Table 1: Model numbers
Description
Head (sold separately from base)
Two-wire photoelectric smoke detector head
-5U Two-wire rate-of-rise and 57°C (135°F) fixed
temperature heat detector head
Two-wire photoelectric smoke detector, with
input and remote alarm/trouble LED output
Two-wire photoelectric, with rate-of-rise heat detector
head with remote test, alarm/trouble LED output
[1] Two-wire photoelectric smoke detector head with
auxiliary relay (NC/NO) output
Four-wire
photoelectric smoke detector with alarm relay
(NO) output and remote alarm/trouble LED output
Four-wire photoelectric smoke and rate-of-rise heat
detector head, alarm relay (NO) output and remote
alarm/trouble LED output
(OEM only, not for resale) see 731U description
Base (sold separately from head)
Three-terminal base for 711U and 713-5U heads, 6 in.
(15 cm) base, connectors
Description
-
Six-terminal base for all heads; 4 in. (10 cm)
Six-terminal base for all heads, 6 in. (15 cm)
Six-terminal base for 731U, 4 in. (10 cm)
Six-terminal base for 731U, 6 in. (15 cm)
with base (sold together)
-4 Four-wire photoelectric smoke detector
(NO) output and remote alarm/trouble LED output
[1] UL Listed for releasing devices such as electromagnetic door
holders, fire dampers, or smoke dampers.
High voltage (120 V) base and head
The 702RE and 702RU bases have a special plastic protrusion
built in to prevent insertion of a low-voltage detector head into
a base containing damaging high voltages (120 V). These
bases can only be used with 731U heads. The 731U includes
auxiliary relay contacts and is only required when connecting
high voltage to the auxiliary relay.
Note: The 731U heads can also be used with 702E and 702U
bases for low voltage applications.
Table 2: Accessories
Description
-12/24V End-of-line, power supervision relay for four-wire
applications
-10PKG Replaceable optical chamber for ESL smoke
detectors (set of 10)
[1] Remote i
ndicator with red alarm LED, for use with
721U and 741UT
[1][2] Remote indicator with red alarm LED and keyed
remote test, for use with 721U and 721UT
[1][2] Remote indicator with red alarm LED, keyed
remote test and reset, for use with 721U and
741UT
-200 Smoke! In A Can (canned smoke) for functional
testing of smoke detectors
-EXT1 Extension tube for Smoke! In A Can
[1] The remote alarm/trouble LED
on the 706U1A, 706U2A, and
s with both two-wire 721U/721UT and four-wire
741U/741UT models when connected as shown
in Figure 6 item
7 item 11.
[2] 706U2A and 706U3A only work with the 721U/721UT
two-wire
models, when connected as shown in Figure 6 item 6.
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