Trane RTHD

RLC-SVN005B-EN 41
Remote Keypad
Meeting NFPA 70
A remote keypad for the Benshaw Redistart is available. In
some instances, the remote keypad can be used to meet
NFPA 70 guidelines for arc flash protection.
The remote keypad has several features some of which are
listed be
low:
• Allows plain language programming
• View Status Information (accelerating, running - up to
speed, st
opping, etc.)
• Set / Examine operating parameters
• Detailed plain language fault information to the last
ni
ne faul
ts including;
•
Fault Description
• Status when fault occurred (run, stopped, etc.)
• Current in each phase when fault occurred
• Voltage in each phase when fault occurred
• Kw when fault occurred
• Frequency when fault occurred
• Run time since last reset occurred
•
Mete
ring +/- 2% accuracy for the following
• Average Current
• L1 Current
• L2 Current
• L3 Current
•
Current Imbalance%
• Ground Fault Amps / residual
• Average Voltage
• L1-L2 Voltage
• L2-L3 Voltage
• L3-L1 Voltage
• Overload%
• Power Factor
• Watts
• Var's
• KW Hours
• MW Hours
• Phase Order
• Line Frequency
• Run Time - Days or Hours
• Number of Starts
• Peak Starting Current
• Last Start Duration (accelerating)
See “Parts Ordering,” p. 43for appropriate part numbers.
Figure 40. Benshaw remote keypad MX/MX2
Note: Se
e Benshaw User Guide #890034-01-00 for
complete details on the remote ke
ypad.