1 Technical Specifications
Page 6 Mk8 MM Expansion Features Installation and Set-Up Guide 04.09.2016
NC Unused – do not connect
TB Switched neutral – top blowdown contactor
TBI Switched neutral – drives top blowdown servomotor clockwise
1LV Switched neutral – 1
st
low water visual alarm
H1A Switched neutral – 1
st
low/ high water audible alarm
2LV Switched neutral – 2
nd
low water visual alarm
2LA Switched neutral – 2
nd
low water audible alarm
HWV Switched neutral – High water visual alarm
BB Switched neutral – Bottom blowdown contactor
BFW Switched neutral – Feed water pump contactor
MVI Switched neutral – drives feed water servomotor clockwise
MVD Switched neutral – drives feed water servomotor counter clockwise
TBD Switched neutral – drives top blowdown servomotor counter clockwise
DCI Switched neutral – drives draught control servomotor clockwise
DCD Switched neutral – drives draught control servomotor counter clockwise
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