G900X/G950 Installation and Maintenance Manual – G900X/G950 Installation Overview
Page 1-11
190-00719-00
Revision D
1.3.5.2 GIA 63W and GTX 33 Cooling Requirements
External cooling of the GIA 63W and GTX 33 is required. A 5/8” diameter air fitting is provided on the
rear of the mounting rack for the purpose of admitting cooling air. It is recommended that a 3 port blower
fan is used with an airflow rating of 5 cfm per port or greater. See Table 1-8 for Garmin recommended
fans.
Table 1-8. Recommended GIA/GTX Cooling Fan Specifications
Garmin Part
Number
Operating
Voltage
(VDC)
Operating
Current (mA)
Max
Airflow
(cfm)
Weight
(lbs)
Maximum
Operating
Temperature
Maximum
Operating
Altitude
013-00067-00
14
1000 (nominal)
1,700 (start-up)
25
1.18
-20 to +55
°
C 55,000 feet
013-00067-01
28
500 (nominal)
850 (start-up)
25
1.18
-20 to +55
°
C 55,000 feet
Figure 1-4. GIA/GTX Cooling Fan (013-00067-XX) Drawing