114
Coil Connection Housing
(Outdoor Unit — All Sizes)
Coil connection housings are used to house piping from inside the
building to its connections to the coil on the unit. Piping must be
insulated to building code standards or job specifications (which
-
ever is greater) for the area where the unit is installed to prevent
excessive condensation within the housing; otherwise, water dam
-
age 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 Outdoor Unit Ship
-
ping Split section, on page 87.
1. The CCH will be shipped to the job site on its own skid, sepa
-
rate from the air-handling unit (AHU) as shown in Fig. 60.
2. Remove the screws in the shipping brackets holding the CCH
to the skid. (Do not remove the brackets at this time.) See
Fig. 61.
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. 62.
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. 63.
LOUVER
ASSEMBLY
INSERT HOOKS THROUGH
HOLES TO LIFT LOUVER
ASSEMBLY INTO PLACE
SCREW
1/4-14 x 3/4 SNS
GASKET
0.125 THICK x 1.25 WIDE
NOTE: All dimensions in inches unless otherwise noted.
Fig. 58 —
Intake Louver
a39-4234
HOOD
ANGLE
PANEL
S
CREW
S
CREEN
PANEL
BRACKET MOUNT BELOW
HOOD BRACKET CAN BE
THROWN AWAY AFTER HOOD
I
S
IN
S
TALLED ON THE UNIT.
GUTTER
WASHER
SCREW
SCREEN
ANGLE
PANEL
HOOD
SCREW
GUTTER
PANEL
SCREEN TO BE
INSTALLED
BETWEEN THE
PANEL FLANGE
AND THE HOOD
FLANGE.
Fig. 59 —
Collapsible Exhaust Box Hood
A39-2350ef
ASSEMBLY
SHIPPING POSITION
A39-2349ef