Trane 4WCZ5024E1000A, Installation And Operation Manual

Page: 16 / 32

16 18-BB42D1-1A-EN
supplied filter rack must be installed by the installer in
the return duct work. Refer to table for field supplied
filter racks.
Table 6. Filter Sizes (field supplied filter rack)
UNIT
NOMINAL
CFM
FILTER (a) SIZE
(Sq Ft)
FILTER
RESISTANCE
(“W.C.)
4WCZ5024 800 2.67 0.08
4WCZ5036 1200 4.00 0.08
4WCZ5048 1600 5.33 0.08
4WCZ5060 2000 6.67 0.08
(a) Filters must be installed in the return air system. The above square
footages are based on 300 F.P.M. face velocity. If permanent filters
are used, size per mfg. Recommendation with clear resistance of
0.05”WC.
Electrical Wiring
N No otte e:: This unit is factory wired for 230V. See wiring
diagram for 208V conversion.
EElleeccttrriiccaall C Coonnnneeccttiioonnss
Electrical wiring and grounding must be installed in
accordance with local codes or, in the absence of local
codes, with the National Electrical Code ANSI/NFPA 70,
Latest Revision.
EElleeccttrriiccaall PPoow
weerr
It is important that proper electrical power be available
for the unit. Voltage variation should remain within the
limits stamped on the unit nameplate.
D
Diissccoonnnneecctt S Sw wiittcchh
Provide an approved weatherproof disconnect within
close proximity and w
wiitthhiinn ssiigghhtt ooff tthhee uunniitt..If
disconnect must be mounted to the cabinet, the
location shown in Table 9, p. 16 should be the only one
considered.
O
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The branch circuit feeding the unit must be protected
as shown on the unit's rating plate.
PPoow
weerr W Wiirriinngg
The power supply lines must be run in weather-tight
conduit to the disconnect and into the side of the unit
control box. Provide strain relief for all conduit with
suitable connectors.
Provide flexible conduit supports whenever vibration
transmission may cause a noise problem within the
building structure.
1. Remove the Control/Heat access panel. Pass the
power wires through the Power Entry hole in the
end of the unit. See
Table 7, p. 16 .
2. Connect the high voltage wires to the appropriate
contactor terminals. Single phase units use a two
(2) pole contactor and three phase units use three
(3) pole contactor. Connect the ground to the
ground lug on the chassis. See Table 9, p. 16 .
Ensure all connections are tight.
Table 7. Power Wiring
Run power supply lines through weather-tight
conduit and secure to unit with strain relief.
Table 8. Power Connections
Unit Ground
Lug
Contactor
Table 9. Mounted Disconnect Location
U Unniitt IInnssttaallllaattiioonn