13
Fig. 12 — Horizontal Duct Panels In Place
Step 8 — Install Outside Air Hood
ECONOMIZER HOOD REMOVAL AND SETUP (FAC-
TORY OPTION)
The hood is shipped in knock-down form and located in the re-
turn air compartment. It is attached to the economizer using
two plastic tie-wraps.
1. To gain access to the hood, remove the filter access panel.
(See Fig. 13.)
2. Locate and cut the (2) plastic tie-wraps, being careful not
to damage any wiring. (See Fig. 14.)
3. Carefully lift the hood assembly through the filter access
opening and assemble per the steps outlined in Econo-
mizer Hood and Two-Position Hood Assembly.
Fig. 13 — Typical Access Panel Locations
Fig. 14 — Economizer Wiring
TWO-POSITION DAMPER HOOD REMOVAL AND
SETUP (FACTORY OPTION)
The hood is shipped in knock-down form and assembled to a
metal support tray using plastic stretch wrap. Located in the re-
turn air compartment, the assembly’s metal tray is attached to
the basepan and also attached to the damper using two plastic
tie-wraps.
1. To gain access to the hood, remove the filter access panel.
(See Fig. 13.)
2. Locate the (2) screws holding the metal tray to the basepan
and remove. Locate and cut the (2) plastic tie-wraps secur-
ing the assembly to the damper. (See Fig. 15.) Be careful
not to damage any wiring or cut tie-wraps securing any
wiring.
3. Carefully lift the hood assembly (with metal tray) through
the filter access opening and assemble per the steps out-
lined in Economizer Hood and Two-Position Hood
Assembly on page 13.
Fig. 15 — Damper Assembly
ECONOMIZER AND TWO-POSITION HOOD ASSEMBLY
NOTE: If the power exhaust accessory is to be installed on the
unit, the hood shipped with the unit will not be used and must be
discarded. Save the aluminum filter for use in the power exhaust
hood assembly.
1. The indoor coil access panel will be used as the top of the
hood. Remove the screws along the sides and bottom of
the indoor coil access panel. See Fig. 16.
SCREWS
DUCT COVERS
SHEET METAL
FACE UP
BASEPAN
FILTER ACCESS PANEL
OUTDOOR-AIR OPENING AND
INDOOR COIL ACCESS PANEL
COMPRESSOR
ACCESS PANEL
ECONOMIZER
CUT PLA
S
TIC TIE
S
(2) PLACE
S
REMOVE HOOD PART
S
HOOD PARTS
PLASTIC TIE WRAP
QTY (2)
SCREWS FOR
METAL TRAY
QTY (2)
Содержание Preferred 549J 04
Страница 4: ...4 Fig 2 549J 04 06 Units Built On and After 4 15 2019...
Страница 5: ...5 Fig 3 549J 04 06 Units Built Prior to 4 15 2019...
Страница 6: ...6 Fig 4 549J 04 06 Corner Weights and Clearances...
Страница 7: ...7 Fig 5 549J 04 06 Base Rail Details...
Страница 8: ...8 Fig 6 549J 04 06 Thru the Base Charts...
Страница 23: ...23 Fig 41 Electro Mechanical Control Wiring 208 230v 460v...
Страница 24: ...24 Fig 42 Electro Mechanical Control Wiring 575v...
Страница 25: ...25 Fig 43 Electro Mechanical Power Wiring 208 230 1 60...
Страница 26: ...26 Fig 44 Electro Mechanical Power Wiring 208 230 3 60...
Страница 27: ...27 Fig 45 Electro Mechanical Power Wiring 460 3 60...
Страница 28: ...28 Fig 46 Electro Mechanical Power Wiring 575 3 60...
Страница 29: ...29 Fig 47 RTU Open System Control Wiring...
