1 Overview and Benefits
Page 2 Mk8 MM End User Guide 22.05.2017
15 First out annunciation inputs
4 fuel commission curves possible
24 hour history graphical information on MM when powered on
Custom boiler display configuration
Water Level Control
Fully modulating feed water control with servomotor and VSD as well pump on/off
Capacitance probes for patented wave signature level detection
Water level alarms 2
nd
low, 1
st
low, high water and optional pre 1
st
low and pre-high water
Conductivity probe for auxiliary 2
nd
low alarm
Automatic bottom blowdown with time reduction for blowdown savings
Continuous modulating top blowdown control to maintain TDS in water
Steam/ hot water flow metering to calculate flow rates based on temperature sensor
Exhaust Gas Analyser (EGA)
3 Parameter trim of O
2, CO2 and CO
Analysis of O
2, CO, CO2, NO, exhaust gas temperature, efficiency and delta temperature
Optional analysis of NO
2 and SO2
Local display for re-calibration, changing cells, user configuration and standalone operation
Upper/lower offset and absolute limits for O
2, CO, CO2, NO and exhaust gas temperature
Six 4-20mA output signal for interface with other controls/chart recorders
Intelligent Boiler Sequencing
System will sequence hot water boilers or steam boilers via lead/lag distribution
Fully adjustable user options within the system to tailor sequencing operation to the application
System control for isolation of valves or pumps (2 port valve operation)
Standby setpoint and warming for lag boilers via a standby pressure and timing sequence
Lead boiler and lag boiler warming modes selection
Remote Control and Data Transfer Interface (DTI)
Direct Modbus communications from MM including remote setpoint and firing rate adjustment,
burner enable/disable (without DTI or intelligent boiler sequencing)
DTI will collect operational data for up to 10 MM modules, 10 EGA modules and 10 universal
I/O modules in one communications loop
Information transmitted via RS422 or Ethernet link to local PC/network for running Autoflame
CEMS Audit software