Carrier 50BA - Manual (Page 14)

ALL 50BB (AIR-COOLED) UNITS — Install air­
cooled condenser in accordance with the installation
instructions provided with condenser. Connection
locations for liquid and hot gas service lines are
shown in Fig. 16. Recommended line sizes are given
in Table 5. Refer to Carrier System Design Manual,
Part 3, for standard refrigerant piping techniques.
Condenserless (50BB) units are shipped with a
holding charge. After refrigerant connections are
made, evacuate, leak test and charge system as
REFRIGERANT IN
50BA004 1/2-in. FPT Conn,
50BA006 3/4-in. FPT Conn.
50BA008.012 1 -in FPT Conn
WATER
OUT
WATER
IN
-—c
CONNECT TO
LIQUID SERVICE
VALVE GAGE PORT'
WATER / /'WATER
SHUTOFF^ ^ REGULATING
VALVE VALVE
Fig. 17 — Condenser Water Piping
(50BA004-012)
REMOVE SHADED FITTINGS
Fig. 18 — 50BA024 Condenser City Water
Piping Conversion
Fig. 19 — 50BA024 Typical Waste or
City Water Piping
described in the Service section entitled. Charging
the System. Unit refrigerant operating charge is
listed in Table 1.
Water Piping
/-FROM N0.3
SUBCOOLER
^FROM N0 2
\SUBCOOLER
’’DRESSER” a FROM NO.I
adaptersn / v subcooler
T' npt to
}" npt bushing
COUPLING
|" n PT-J" t UBE---------------- ' O f T u BE’ to no I subcooler (EXISTING)'
A Remove shaded fittings
-^NOTE 50BA044 units same less subcoolers
1 Use one outlet for water discharge
2 Remove interconnecting nipples and "dresser” adapters on
inlet side of condensers
3 Remove 3-in plugs from no 1 and 3 condenser inlet headers
Fig. 21 — Field Conversion to City or
Waste Water System (50BA044 and 054)
Fig. 22 — Recirculating Water System Piping
(50BA044 and 054)
i
\ A