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Carrier 39T User Manual

Carrier 39T
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HOT GAS BYPASS When low-load operation requires
use of hot gas bypass, hot gas must be introduced between
expansion valve and distributor.
Install auxiliary hot gas bypass side connector (field-
supplied) in coil split that is first on, last off.
NOTE: See Table 21 for auxiliary side connector sizes. Do
not attempt to use a valve that is smaller or larger than dis-
tributor size. Inserting a bushing at the outlet will defeat the
purpose of the internal nozzle tube extension.
Install the side connector as follows:
1. Remove distributor nozzle and retainer ring (area A) from
distributor and reinstall in inlet (area B) of side connec-
tor. See Fig. 49.
2. Solder field-supplied extension nipple to coupling on dis-
tributor, then to side connector outlet, using a silver
solder or equivalent with a melting point of 1300 to
1500 F. Extension nipple should be as short as possible.
3. Solder expansion valve outlet to side connector using
95-5 tin-antimony soft solder, for easy removal.
4. If required, install field-supplied adapter bushing or
coupling to connector inlet before soldering to expansion
valve outlet.
Table 21 Auxiliary Side Connector (Hot Gas Bypass) Data
SPORLAN
TYPE
CARRIER
PART NO.
CONNECTION SIZES (in.)
USED WITH SPORLAN
DISTRIBUTOR TYPE
NOZZLE
SIZE
Inlet ODM Solder Outlet ODF Solder Auxiliary ODF Solder
ASC-5-4
5
8
5
8
1
2
1620, 1622 J
ASC-7-4 EA19BA504
7
8
7
8
1
2
1112, 1113 G
ASC-9-5 EA19BA705 1
1
8
1
1
8
5
8
1115, 1116 E
ASC-11-7 EA19BA905 1
3
8
1
3
8
7
8
1117, 1126 C
ASC-13-9 1
5
8
1
5
8
1
1
8
1125, 1127, 1143 A
DIMENSIONS (in.)
SPORLAN
TYPE
ABCDEF
ASC-5-4
5
8
ODM
5
8
ODF 1.88 0.95 1.25
1
2
ODF
ASC-7-4
7
8
ODM
7
8
ODF 2.25 1.06 1.38
1
2
ODF
ASC-9-5 1
1
8
ODM 1
1
8
ODF 2.81 1.47 1.62
5
8
ODF
ASC-11-7 1
3
8
ODM 1
3
8
ODF 3.53 1.89 2.19
7
8
ODF
ASC-13-9 1
5
8
ODM 1
5
8
ODF 3.72 1.83 2.75 1
1
8
ODF
LEGEND
ODF Outside Diameter, Female
ODM Outside Diameter, Male
Fig. 47 Expansion Valve Piping
RETAINER
RING
NOZZLE
BODY TUBING
SIMPLIFIED NOZZLE
REMOVAL
G
5
NO. 6-32 THREADED
PULLER HOLES
THREADED
PULLER RODS
Fig. 48 Nozzle Change-Out
60

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Carrier 39T Specifications

General IconGeneral
BrandCarrier
Model39T
CategoryAir Handlers
LanguageEnglish

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