15
Teflon Ring (remove during brazing)
Fixed Orfice (remove, not used)
Brass Nut
Liquid Line Assembly
(Includes Strainer)
Liquid Line Orifice Housing
Distributor Tubes
Remove
NOTE - Do not tighten
the factory nuts without
two screws attached or
distributor tubes will be
damaged.
Braze liquid line from
AHU Control Box
Figure 10. Remove Metering Device from Coil
TXV
(remove, do not use)
EXV
(remove, do not use)
OR
Prepare Indoor Unit Coil
1. Remove and discard any metering device (TXV,
orice, piston and cap tube, etc.) from the coil; it will
not be used. See Figure 10.
2. Remove any rubber rings or seals.
3. Braze the three temperature sensor mounting sockets
onto the coil at the locations shown in Figure 18.
Make sure the socket opening is downward to avoid
condensate accumulation.
Prepare Indoor Unit Coil
4. Braze the liquid line from the AHU control box (or EXV
if removed from the box) to the end of the coil.
5. After brazing liquid line and vapor lines, ax coil
sensors to the sockets on the indoor unit coil with
socket clips. Wrap with insulation and secure with zip
ties. See Figure 18.
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