5169032-UIM-C-0416
Johnson Controls Unitary Products 19
SECTION XV: INSTALLATION
VERIFICATION
Prior to and during the accomplishment of the installation procedures,
verify all tasks are accomplished as indicated in this installation manual.
FIGURE 18: Duct Static Measurements
Take measurements here if
using a filter rack.
Return air static must be
taken between the filter and
indoor coil.
A0395-001
FIGURE 19: Drain Traps
THERMAL EXPANSION VALVE (TXV) CHECK LIST
Is coil metering device installed correctly?
Was the correct TXV installed per the outdoor unit Technical Guide?
Is the TXV bulb positioned correctly?
Is temperature bulb insulated?
Is equalizer line connected?
3” MINIMUM
HANDMADE TRAP
PREMADE TRAPS
SECONDARY
PRIMARY
WERE THE PRIMARY AND SECONDARY DRAINS TRAPPED CORRECTLY?
A0272-001
PLUG
(UNUSED
SECONDARY
DRAIN)
FIGURE 20: Location of Coil Trapped and Plugged Drain Connections
NOTE:
Verify that all drains are trapped or plugged.
AIR HANDLER
COIL
B
LEFT FLOW
APPLICATION
A0335-001
DETAIL A
PRIMARY DRAIN
TRAP CONNECTION
SECONDARY DRAIN
TRAP CONNECTION
DRAIN PLUG
FOR HORIZONTAL
SECONDARY DRAIN
DETAIL B
PRIMARY DRAIN
TRAP CONNECTION
DRAIN PLUG
FOR VERTICAL
SECONDARY DRAIN
A
COIL
AIR HANDLER
UPFLOW
APPLICATION
AIR HANDLER
DOWNFLOW
APPLICATION
COIL
A
B
AIR HANDLER
COIL
RIGHT FLOW
APPLICATION
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