85
NOTE: 325 F sensor is no longer available, for service replacement use HN68GA242.
NOTES:
1. Since 1993 all Carrier 06 series air conditioning com-
pressors have been made without a sensor. All Carlyle
OEM 06 series compressors are equipped with a sensor.
2. Starting in mid-1998 all Carlyle OEM compressors,
including 06EA, EM, ER and all 06CC models, are built
using the HN68GA242 sensor. The change to a single
sensor model is due to the increased use of HFC refriger-
ants, which operate at lower temperatures.
3.14 — 06D, E Cylinder Head Cooling Fans
Cylinder head cooling fans are recommended on all applica-
tions where the saturated suction temperature (SST) is
below 0°F (-18°C). A cylinder head cooling fan must be
used for all R-22 single stage applications below 0°F
(-18°C) and all R404A/507 single stage applications below
-25°F (-32°C). A cylinder head cooling fan is recommended
(but not required) for any two-stage (Compound Cooling)
applications.
CYLINDER HEAD TEMPERATURE SPECIFICATIONS
Refrigeration from 1982 to
mid-1998 for 06ER, EM,
EY and EZ
All 06E and 06CC
Compressors
Part Number
Opens
Closes
Wire Color
Thread
HN68GA295
325° ± 8° F (163° ± 4°C)
250° ± 12° F (121° ± 7°C)
Silver Grey
1/2-in. NPT
HN68GA242
295° ± 5° F (146° ± 3°C)
235° F minimum (113°C)
Black
1/2-in. NPT
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