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ABB ReliaMod RMM B 4R Installation And Maintenance Instructions Manual page 14

Modular metering

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5
5
Jaw positioning
Jaw positioning
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Warning:
Hazardous Voltage can cause serious injury or death.
Lock out power before working inside the unit.
The 5
The 5
jaw is factory installed in the 9 o'clock position on all
jaw is factory installed in the 9 o'clock position on all
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RINGLESS meter-modules.
RINGLESS meter-modules.
The 5
The 5
jaw RM5THJAW can be ordered separately and installed
jaw RM5THJAW can be ordered separately and installed
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on 4 -JAW RING-TYPE meter-modules.
on 4 -JAW RING-TYPE meter-modules.
To change position of 5
To change position of 5
jaw from 9 o'clock to 6 o'clock:
jaw from 9 o'clock to 6 o'clock:
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Loosen the mounting screw.
Rotate 5th jaw to 6 o'clock.
Tighten screw to 25 in-lbf.
Lever bypass function
Warning:
Hazardous Voltage can cause serious injury or death.
Only qualified personnel with appropriate protective
equipment to work with live electrical equipment can service
Installing or replacing Meter in a Lever Bypass Meter-Module
Caution: to be performed by authorized service personnel
use appropriate protective equipment for working with live
electrical equipment
1.
Remove the ringless meter-cover
CAUTION: LIVE PARTS ARE ACCESSIBLE
2.
Rotate lever upwards, to activate the bypass, and unclamp
the meter-jaws
3.
Remove the meter that needs to be replaced, if applicable
4.
Place the new meter in the meter-socket
5.
Rotate lever downwards to clamp the meter-jaws and
disactivate the bypass
6.
Replace the ringless meter-cover
NOTE: Meter-cover cannot be installed, with the lever in the bypass mode.
Slide 5
jaw to the right.
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Slide jaw down
Field-installing Horn Bypass kit
Warning:
Hazardous Voltage can cause serious injury or death.
Lock out power before working inside the unit.
Horn-Bypass catalogue number RHORNBYPASS can be
ordered separately, and field installed.
1.
Untighten and remove the four 5/16 -18 Hex-nuts
2.
Remove the spring lock-washer and flat-washer.
3.
Install the four horn bypasses.
Caution: Assure connection tang is towards outside of
meter-socket (refer to image)
4.
Place the four flat-washers on the horn-bypass, and then
the spring-lock-washer and the hex-nut.
5.
Tighten the four hex-nuts to 170 in-lbf
Removing factory installed
Horn Bypasses
Warning:
Hazardous Voltage can cause serious injury or death.
Lock out power before working inside the unit.
1.
Untighten and remove the four 5/16 -18 Hex-nuts
2.
Remove the spring lock-washer and flat-washer.
3.
Remove the 4 horn bypasses
4.
Place the four flat-washers on the meter-jaw busbar, and
then the 4 spring-lockwashers
5.
Tighten the four hex-nuts to 170 in-lbf
14

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