Section 6 – SR-2 Service Procedure A48A
Outputs
Output Description
7EH
With 12-24 VDC is supplied, then outputs 7EB and 7EC will be at 12-24 VDC.
7EB
If phase rotation is L1, L2, L3 then this wire will provide 12-24 VDC to energize the appropriate phase
rotation contactor. The 7EC wire is interlocked to prevent both phase contactors from being
energized at once.
7EC
If phase rotation is L1, L3, L2 then this wire will provide 12-24 VDC to energize the appropriate phase
rotation contactor. The 7EB wire is interlocked to prevent both phase contactors from being
energized at once.
ER
This wire will output 12-24 VDC 2 to 4 seconds after the voltage rises above 180 volts AC and all
three phases are present. If the voltage drops below 160 volts AC or a phase is lost and the
condition remains for 8 to 10 seconds, the output is turned off. The module continues to monitor and
will again output 12-24 VDC 2 to 4 seconds after the power returns to normal (voltage rises above
180 volts AC and all three phases are present).
Connector Pinout
Pin Wire
Description
1
#8F
Power to Module
2 CH
Chassis
ground
3 ER
Power
OK
4
7EH
Switches the 7EC and 7EB from grounding to power logic
5 7EB
Phase
A-B-C
6 7EC
Phase
A-C-B
7 Unused
8 Unused
9 Unused
Page 3
P41RA48A 30 January 2005
Summary of Contents for SR-2 SmartReefer2
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Page 7: ...Tab goes here and the next page should be GREEN Section 1 Safety...
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Page 15: ...Tab goes here and the next page should be GREEN Section 2 Hardware Description...
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Page 266: ...Section 5 SR 2 Diagnostics 5 84 02 February 2005...
Page 267: ...Tab goes here and the next page should be GREEN Section 6 Service Procedures...
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Page 270: ...Section 6 SR 2 Service Procedure Index Page 2 01 February 2005...
Page 282: ...Section 6 SR 2 Service Procedure A01B Page 6 P41RA01B 31 January 2005...
Page 298: ...Section 6 SR 2 Service Procedure A02A Page 12 P41RA02A 02 February 2005...
Page 318: ...Section 6 SR 2 Service Procedure A03B Page 4 P41RA03B 30 January 2005...
Page 338: ...Section 6 SR 2 Service Procedure A15A Page 4 P41RA15A 30 January 2005...
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