Specifications

JOHNSON CONTROLS

2-44

FORM 102.20-N1 (1109)

Installation

PIPING CONNECTIONS

Do not remove bottom panel in pipe

chase.

When extended piping to or from

coils, humidiers, etc., is present in-

side the air handler, eld provided

and installed insulation is required.

Whenever possible, piping should be brought down

through outdoor units within the pipe chase (see Fig.

2-65).

Penetrations through pipe chase oor must be ashed

and sealed. Penetrations through panels must be

sealed (see IOM Section 5 “Penetrations and Grommet

Details”).

Where piping is insulated, insulation should not be

installed until after the ashing has been completed.

Pipe chase should be installed before

piping is connected.

FIG. 2-65 – PIPE CHASE ENCLOSURE







OUTDOOR: DRAIN CONNECTION IS ALWAYS ON SIDE OPPOSITE PIPE CHASE.

LD09629A

FIG. 2-66 – FACTORY COIL CONNECTIONS

LD06340-1