11
Fig. 7 — Face-Split Coil and Liquid Line Piping (Typical)
Table 8 — Fitting Requirements
UNIT ACCESS HOLE NO.
a
a. See Fig. 6 for access hole location by number.
CONNECTION TYPE CIRCUIT FITTING REQUIRED
b
(in.)
b. Fittings are listed in order from header or tee stub connection out to access hole in corner support post.
40RFA*07
40RFQ*07
1Suction —
1-1/8 Street Elbow
1-1/8
Nipple, 10-5/8
L
1-1/8
Long Radius Elbow
3 Liquid —
5/8 Street Elbow
5/8 Nipple, 8-5/8
L
5/8 Long Radius Elbow
40RFA*08
40RFQ*08
1Suction —
1-1/8 Street Elbow
1-1/8
Nipple, 8-5/8
L
1-1/8
Long Radius Elbow
3 Liquid —
5/8 Street Elbow
5/8 Nipple, 8-5/8
L
5/8 Long Radius Elbow
40RFS*08
40RFS*10
40RFS*12
4 Return —
1-3/8 Nipple, 4-3/8 L
1-3/8 Long Radius Elbow
1-3/8
Nipple, 7-3/8
L
1-3/8
Long Radius Elbow
5 Supply —
1-3/8 Nipple, 6-5/8 L
1-3/8 Long Radius Elbow
40RFA*12
1 Suction Lower (2) 1-1/8 Street Elbow
2 Liquid Lower
5/8 Street Elbow
5/8 Nipple, 8-1/2
L
5/8 Long Radius Elbow
3 Liquid Upper
5/8 Street Elbow
5/8 Nipple, 13-1/2
L
5/8 Long Radius Elbow
4 Suction Upper
1-1/8 Nipple, 5-3/4
L
1-1/8 Long Radius Elbow
1-1/8 Nipple, 12
L
1-1/8 Long Radius Elbow
40RFQ*12
1 Suction Lower (2) 1-1/8 Street Elbow
2 Liquid Lower
5/8 Street Elbow
5/8 Nipple, 5-1/2
L
5/8 Long Radius Elbow
3 Liquid Upper
5/8 Street Elbow
5/8 Nipple, 10-1/2 L
5/8 Long Radius Elbow
4 Suction Upper
1-1/8 Nipple, 5-5/8 L
1-1/8 Long Radius Elbow
1-1/8
Nipple, 12
L
1-1/8
Long Radius Elbow
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.
UPPER
SPLIT
AIRFLOW
LOWER
SPLIT
AIRFLOW
15 DIAMS
MIN
10
DIAMS
8 DIAMS
MIN
TXV
SENSING
BULB
EQUALIZER LINE
SIGHT
GLASS
TXV
SOLENOID
VALVE
FILTER
DRIER
TXV
SENSING
BULB
TXV
8 DIAMS
MIN
15 DIAMS
MIN
10
DIAMS
INDOOR
COIL
EQUALIZER
LINE
Single Circuit Coil Piping Configuration - RF*07, 08
For single compressor condensing units.
Dual Circuit Coil Piping Configuration - RF*12
For single compressor condensing units
UPPER
SPLIT
AIRFLOW
15 DIAMS
MIN
10
DIAMS
8 DIAMS
MIN
TXV
SENSING
BULB
EQUALIZER LINE
SIGHT
GLASS
TXV
SOLENOID
VALVE
FILTER
DRIER
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