Hussmann Ingersoll Rand User Manual page 326

Installing Head Cooling Fans When
Figure 38
IR4C Head Fan Bracket
Figure 40
Cub 2 Head Fan
2. If the Copeland 3D compressor has the Copeland head-cooling fan mounted on
the compressor, this fan can be used with a new bracket. Shown above in figure
39. Requires Bracket # CU.4220230
3. If the Copeland 3D compressor has a Cub 2 head-cooling fan mounted on the
compressor, this fan can also be used with a new bracket. Shown above in figure
40. Requires Bracket # BR.4220261.
4. The complete head cooling fan kits which include the fan, motor and brackets are:
CU. 4220215 for 120 volt
CU.4220220 for 208/230 volt
CU.4220225 for 460 volt
Hussmann Aftermarket
Required
1. Head cooling fans will be required as a general rule
when the following limits are approached.
No Capacity Control - Suction Temperature
50% Capacity Control - Suction Temperature
No Capacity Control - Suction Temperature
50% Capacity Control - Suction Temperature
Figure 39
Copeland Head Fan
R-22
Condensing Temperature >+110°F
Condensing Temperature >+105°
R-404A
Condensing Temperature >+110°F
Condensing Temperature > +115F
1/13/06 Page 18 of 19
< +5°F
< + 20°F
F
< -30°F
< -15°F