Carrier FAS072 Installation, Start-Up And Service Instructions Manual page 16

TXV
UPPER SENSING
SPLIT BULB
AIRFLOW
15 DIAMS
10
MIN
DIAMS
Single Circuit Coil Piping Configuration - FAS/FHS 072, 091
For single compressor condensing units.
LEGEND
TXV — Thermostatic Expansion Valve
NOTE: Component location arrangement shown for field installation of sight glasses, solenoid valves, filter driers, and TXV sensing bulbs.
The TXVs and equalizer lines are factory-installed.
FIRST ON/LAST OFF = B
VERTICAL INSTALLATION
FIRST ON/LAST OF F = A
HORIZONTAL INSTALLATIO N
Fig. 9 — Typical Evaporator Coil Connections
16
EQUALIZER LINE
FILTER
SOLENOID
DRIER
VALVE
SIGHT
GLASS
TXV
8 DIAMS
MIN
Fig. 8 — Face-Split Coil and Liquid Line Piping (Typical)
Specifications subject to change without notice.
TXV
UPPER SENSING
SPLIT BULB
AIRFLOW
15 DIAMS
10
MIN
DIAMS
8 DIAMS
TXV
SENSING
LOWER
BULB
SPLIT
AIRFLOW
15 DIAMS
10
MIN
DIAMS
Dual Circuit Coil Piping Configuration - FAS/FHS 120-180
For single compressor condensing units
LEGEND
TXV — Thermostatic Expansion Valve
NOTE: The 8 o'clock position is shown above.
Fig. 10 — TXV Sensing Bulb Location
EQUALIZER LINE
SOLENOID
VALVE
TXV
MIN
EQUALIZER
FILTER
LINE
DRIER
TXV
8 DIAMS
MIN
INDOOR
COIL
FAS-FHS-072-180-01SI Rev. A
SIGHT
GLASS