Closed Cycle Cooler Test Set.
The closed cycle cooler test set contains a vehicle power conditioner
(VPC), a BPC/VPC load box, and the cables necessary to check the
operation of the closed cycle cooler.
Stored in the collimator
container, the test set includes:
Cooler Extension Cable 7W8: Connects BPC or VPC directly to the
cooler input power cable and the night sight power input when
the junction box is removed.
BPC/VPC Load Assembly: Provides 3.16 and 13.7 ohm
loads for
testing the 4.8 and 16.8 VDC.
Vehicle Power Conditioner: Converts 20 to 40 VDC from a vehicle
to 4.8 and 16.8 VDC for the closed cycle cooler in the night
sight.
BPC Test Cable 7W7:
Connects BPC to bench power supply.
Night Sight Power Cable 8W1:
Connects BPC or VPC to the night
sight junction box.
Figure 3-4.
Closed Cycle Cooler Test Set.
54
MM4812
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