13
Fig. 10 — Horizontal Duct Panels In Place
Step 8 — Install Outside Air Hood
ECONOMIZER AND TWO POSITION DAMPER HOOD
PACKAGE REMOVAL AND SETUP — FACTORY
OPTION
The hood is shipped in knock-down form and must be
field assembled. The indoor coil access panel is used as the
hood top while the hood sides, divider and filter are packaged
together, attached to a metal support tray using plastic stretch
wrap, and shipped in the return air compartment behind the
indoor coil access panel. The hood 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. 11.)
2. Locate the (2) screws holding the metal tray to the base-
pan and remove. Locate and cut the (2) plastic tie-wraps
securing the assembly to the damper. (See Fig. 12.) Be
careful to not damage any wiring or cut tie-wraps secur-
ing any wiring.
Fig. 11 — Typical Access Panel Locations
Fig. 12 — Economizer and Two-Position Damper
Hood Parts Location
3. Carefully lift the hood assembly (with metal tray)
through the filter access opening and assemble per the
steps outlined in the Economizer Hood and Two–Posi-
tion Hood section, below.
ECONOMIZER HOOD AND TWO-POSITION HOOD
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. 13.
Fig. 13 — Indoor Coil Access Panel Relocation
2. Swing out indoor coil access panel and insert the hood
sides under the panel (hood top). Use the screws pro-
vided to attach the hood sides to the hood top. Use
screws provided to attach the hood sides to the unit. See
Fig. 14.
SCREWS
DUCT COVERS
SHEET METAL
FACE UP
BASEPAN
FILTER ACCESS PANEL
INDOOR COIL ACCESS PANEL
Hood Parts
Plastic Tie Wrap
Qty (2)
Screws for Metal Tray
Qty (2)
TOP
PANEL
INDOOR
COIL
ACCESS
PANEL
INDOOR
COIL
ACCESS
PANEL
CAULK
HERE
TOP
PANEL
Summary of Contents for WeatherMaster 50HC*A07 Series
Page 4: ...4 Fig 2 Unit Dimensional Drawing Sizes 07 09 ...
Page 5: ...5 Fig 2 Unit Dimensional Drawing Sizes 07 09 cont ...
Page 6: ...6 Fig 3 Unit Dimensional Drawing Sizes 11 and 12 ...
Page 7: ...7 Fig 3 Unit Dimensional Drawing Sizes 11 and 12 cont ...
Page 25: ...25 Fig 42 Electro Mechanical Control Wiring Diagram ...
Page 26: ...26 Fig 43 Electro Mechanical Control Wiring Diagram with Humidi MiZer System ...
Page 27: ...27 Fig 44 Typical ComfortLink Control Wiring Diagram 50HC 08 09 shown ...
Page 29: ...29 Fig 46 Typical PremierLink Control Wiring Diagram ...
Page 30: ...30 Fig 47 Typical PremierLink Control Wiring Diagram with Humidi MiZer System Option ...
Page 31: ...31 Fig 48 Typical RTU Open Controller Wiring Diagram ...
Page 32: ...32 Fig 49 Typical RTU Open Controller Wiring Diagram with Humidi MiZer System Option ...
