Figure 10: TXV installation
6. Install the TXV equalizer line onto the vapor line by hand tightening the 1/4 in. SAE coupling
nut to the equalizer fitting and apply an additional third turn to seal. See Figure 11.
CAUTION
Mount the TXV temperature sensing bulb after the vapor line is brazed and sufficiently cooled.
Failure to use a suction-line split grommet may result in TXV failure.
Figure 11: TXV bulb and equalizer line installation
29Installation Manual: R-454B Outdoor Split-System Air Conditioner
Johnson Controls Ducted Systems
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