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Sprin kler 145 d
Jan u ary 27, 2000
®
HO RI ZON
MODEL H-3
TECH NI CAL DATA
RES I DEN TIAL PEN DENT
SPRIN KLER, 3.8 K-FACTOR
Listed Areas of Cov er age
cor re spond to ar eas mea -
sured along ceil ing slope. (For
sloped ceil ing in stal la tions,
ac tual floor cov er age will be
less than listed area.)
Max i mum ceil ing slope =
6/12 (26.6°).
Re fer to Ta ble 1 on page 145 c
for Listed Areas of Cov er age.
Fig ure 3: In stal la tion Guide lines
NOTES:
1. Ac tual in stal la tions may re quire mul ti ple sprin klers. A sin gle sprin kler in stal la tion has been shown for clar ity.
2. For "ca the dral" ceil ing ap pli ca tions, in stall sprin klers in a sym met ri cal mir ror-image of Fig ure 3.
3. For sloped ceil ings over ar eas with ac cess open ings to ad ja cent up per level rooms or lofts, re fer to Fig ure 4.
4. For ar eas of cov er age be tween 16' x 16' and 18' x 18', with slopes be tween a 0/12 (0°) pitch and a 6/12 (26.6°) pitch, use the
"Min i mum Wa ter Sup ply Re quire ments" for the next larger listed "sloped" in stal la tion. Re fer to Ta ble 1 on page 145 c.
Min i mum 8" lin tel for loft /
up per level ap pli ca tions.
Max i mum 6/12 (26.6°) pitch.
Re fer to Ta ble 1 on page 145 c.
Fig ure 4: In stal la tion Guide lines - Lofts
Form No. F_062395
Re places page 145 a-d, dated Sep tem ber 30, 1999
(added note to Fig ure 1).
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