All Sizes) - Carrier Aero 39MN Series Installation, Start-Up And Service Instructions Manual

INSERT HOOKS THROUGH
HOLES TO LIFT LOUVER
ASSEMBLY INTO PLACE
SCREW
1/4-14 x 3/4 SNS
NOTE: All dimensions in inches unless otherwise noted.
Collapsible exhaust box hoods ship covering the exhaust
outlet of the unit and/or inside the unit and require some ba-
sic assembly. Fasteners, washers and gasket material for in-
stallation of the hood come taped inside the exhaust section.
Figure 51 shows an exploded view of the assembly in its
shipping position, and how the various parts assemble to
form the hood.
Coil Connection Housing (Outdoor Unit — All
Coil connection housings are used to house piping
Sizes) —
from inside the building to its connections to the coil on the
unit. Piping must be insulated to building code standards or job
specifications (whichever is greater) for the area where the unit
is installed to prevent excessive condensation within the hous-
ing; otherwise, water damage to floors below could result.
Install as follows:
NOTE: If coil connection housing (CCH) is located at a
section split, be sure to follow procedure, Indoor and Out-
door Unit Shipping Split section, on page 86.
SHIPPING POSITION
HOOD
ANGLE
BRACKET MOUNT BELOW
HOOD BRACKET CAN BE
THROWN AWAY AFTER HOOD
IS INSTALLED ON THE UNIT.
GASKET
0.125 THICK x 1.25 WIDE
LOUVER
ASSEMBLY
Fig. 50 — Intake Louver
GUTTER
PANEL
SCREEN
SCREW
A39-2349ef
PANEL
A39-2350ef
Fig. 51 — Collapsible Exhaust Box Hood
1. The CCH will be shipped to the job site on its own
skid, separate from the air-handling unit (AHU) as
shown in Fig. 52.
2. Remove the screws in the shipping brackets holding
the CCH to the skid. (Do not remove the brackets at
this time.) See Fig. 53.
3. Install the self adhesive seal strip (2.00 in. wide x
0.375 in. thick neoprene gasket) to the top surface of
the roof curb, making sure that the notch between the
CCH roof curb and the unit roof curb is completely
covered with gasket. See Fig. 54.
NOTE: Ensure that the surface is clean before installing any
gasket.
4. Apply the provided seal strip (1.25 in. wide x 0.125 in.
thick neoprene gasket) to both side flashings as shown
in Fig. 55.
ASSEMBLY
SCREW
HOOD
PANEL
ANGLE
SCREEN
WASHER
SCREW
110
a39-4234
GUTTER
PANEL
SCREEN TO BE
INSTALLED
BETWEEN THE
PANEL FLANGE
AND THE HOOD
FLANGE.