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UNIT
ACCESS HOLE NO.
1
2
FAS150
3
4
1
2
FAS180
3
4
3
5
FHS180
6
7
NOTE(S):
a
See Fig. 7 for access hole location by number.
b
Fittings are listed in order from header or tee stub connection out to access hole in corner support post.
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.
FASFHS150-180-01SI
Table 9 — Fitting Requirements
CONNECTION TYPE
a
Suction
Liquid
Liquid
Suction
Suction
Liquid
Liquid
Suction
Suction
Suction
Liquid
Suction
EQUALIZER LINE
FILTER
SOLENOID
DRIER
VALVE
SIGHT
GLASS
TXV
8 DIAMS
MIN
Fig. 7 — Face-Split Coil and Liquid Line Piping (Typical)
Specifications subject to change without notice.
CIRCUIT
Lower
Lower
Upper
Upper
Lower
Lower
Upper
Upper
Lower
Lower
Upper
Upper
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
FITTING REQUIRED
b
1-1/8 Street Elbow
1-1/8 Nipple, 7-5/8 L
1-1/8 Long Radius Elbow
5/8 Street Elbow
5/8 Nipple, 1-7/16 L
5/8 Long Radius Elbow
5/8 Street Elbow
5/8 Nipple, 11-1/2 L
5/8 Long Radius Elbow
1-1/8 Nipple, 5-5/8 L
1-1/8 Long Radius Elbow
1-1/8 Nipple, 13 L
1-1/8 Long Radius Elbow
1-1/8 Street Elbow
1-1/8 Nipple, 72-3/4 L
1-1/8 Long Radius Elbow
5/8 Street Elbow
5/8 Nipple, 1-3/8 L
5/8 Long Radius Elbow
5/8 Street Elbow
5/8 Nipple, 11-1/2 L
5/8 Long Radius Elbow
1-1/8 Nipple, 5-5/8 L
1-1/8 Long Radius Elbow
1-1/8 Nipple, 13 L
1-1/8 Long Radius Elbow
1-1/8 Nipple, 3 L
1-1/8 Long Radius Elbow
5/8 Nipple, 2-7/8 L
5/8 45° Elbow
5/8 Nipple, 1-5/8 L
5/8 Long Radius Elbow
5/8 Nipple, 2-7/8 L
5/8 45° Elbow
5/8 Nipple, 4-1/4 L
5/8 Long Radius Elbow
1-1/8 Nipple, 5 L
1-1/8 45° Elbow
1-1/8 Nipple, 8-3/4 L
1-1/8 Long Radius Elbow
EQUALIZER LINE
SOLENOID
VALVE
TXV
MIN
EQUALIZER
FILTER
LINE
DRIER
TXV
8 DIAMS
MIN
INDOOR
COIL
(in.)
SIGHT
GLASS
13
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