RAM DBS II User Manual

RAM DBS II
Refrigeration Solid State Starter
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FORWARD
REVERSE
L1
L2 L3
T1
T2
T3
T2 T1
T3
L1
L2
L3
4.2 Motor Connection
Connect properly sized motor leads to terminals T1, T2, and T3 on the DBS bypass contactor.
If motor rotation needs to be reversed, swap the position of any two motor leads connected to
the DBS bypass contactor. See Figure 3.
NOTE: Do not swap incoming wires to reverse the motor’s rotation as this will cause a
Phase Reversal trip.
4.3 Control
Customer control wiring is to be connected to the controller’s main terminal block (TB1) in accor-
dance with RAM wiring diagram supplied.
4.4 Grounding
Connect properly sized ground cable to the starter ground terminal. Refer to the National Electrical
Code for proper size, and make sure the ground conductor is connected to a solid earth ground.
FIGURE 3
4.0 Wiring
5
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RAM DBS II Specifications

General

Brand	RAM
Model	DBS II
Category	Controller
Language	English