York D1SV300 Installation Instructions Manual page 5

A non-fused disconnect switch is availableas a factory-
mounted option on all units. When this option is not in-
cluded, a field-supplied disconnect switch should be install-
ed in the power supply wiiing at a location that will meet
the requirements of the National Electric Code and/or local
b
regulations.
,}'OTI [-((,wddi~cIJrItIc'(r sit$it[lw~ urc not req((vwf becut(se
tll~ po~tw w'ir[t)g ttrust bc jiised at the source.
Eltber Inverse [[me clrcult breaker or LIWII element time de-
kry tuses may be used for overcurrerrt protect l[~non these
units They must be swed according to Table 3.
Bottom entry ISrecommended tor:
1, Curb mounted units with a factory installed disconnect
sw]tcb unless the power wiring is already above the fin-
]shed root,
L
CONOU IT
CONNECTOR
(3" Threaded)
1
w
CONDUIT TERM I NATION
4.1 /2" DIA SLEEVE
PLATE (35/8" K.O )
UNITS WITHOUT DISCONNECT
FIG. 5 – BOTTOM POWERWIRING ENTRANCE
530.25-N2
~njts that are Illounted
on structural steel above the
finished roof unless the steel is blocking the 4-112inch
diameter sleeve]n t Imbase ot'tile unit. TbIs ~pplies t(]
urrltswitb or WII h (lut a f~ctolJ'InstaIled disconnect
Swlt c b
CAL'TIOIV The 4-1/2 inch slme must be sealed a]ter
(h<' p ower }~'irmg I rasken rotited to ptwvnt
possible condensation problcrns in the utlit
<ywtr( ) 1box.
Sideentry is recommended f(l]:
1. Curb mounted units without a factory installed discon-
nect switch because the power wiring must be brought
outside the unit to a field supplied disconnect sw]tch.
2. Slab mounted units with or without a factory installed
disconnect sw]tch, ..
CONDUIT
CONNECTOR
(3" Threaded) \
J
\
CONDUIT TERMfNATION
4.1 /2" DIA SLEEVE
PLATE (3-5/8" K. O.)
UNITS WITH DISCONNECT
3-5/8" K O
\
/
CONDUIT
(BY FIELD)
CONDUIT
CONNECTOR
- (3" Threaded)
(BY YORK)
, CONDUIT
TERMINATION
1 PLATE
/
A. J
] (3-5/8" K.O )
,
STRAIGHT CONNECTOR
(BY F I ELD)
MODELS DSV300, 360
FIG. 6 – SIDE POWER WIRING ENTRANCE
Central Environmental Sys[ems
,
I
I
CONDUIT
- CONNECTOR
(3" Threaded)
(BY YORK)
7
4--
\
— . —
— . -1 ,.
<
/ \
- \:
FLExlBLE
CONDUIT
\
OUTLET BOX
3-518 '''O.O
( Die Cast)
( Liquid Tight)
(BY FIELDI
(BY F I ELD)
MODEL DSV480
5