NTI Matrix Installation And Operation Instructions Manual page 45

Matrix
Setting Matrix Boiler Control (Sentry)
Programming is accomplished by a series of three push buttons located on the bottom side of the control.
(Function,  and ). To enter the programming mode, press the function key once. To scroll through the various
menu options depress  until the menu is displayed. To alter the value press Function once, and the current value
will be displayed, then use  for up, and  for down, until the desired value is obtained. To enter the selected
value press Function, which will return to the menu. When all desired values are selected, scroll to the RUN
menu, and press Function, which exits the Programming Mode and initiates normal operation. A safety feature
has been added to ensure that if the control is left in the Program Mode, the unit will turn off if left in program
mode longer than 30 seconds without receiving an input. Press Function once to continue programming or to start
boiler operation. See Table 13-4 for a description of the boiler control settings.
Table 13-4 Matrix Boiler Control Programming
Menu Settable
Item Range
Program Mode - When Run is displayed controller is in
RUN
'Prog' mode. Arrow up or down to scroll through menus
HYD 80-200
Hydronic Call Setpoint
Auxiliary Heat Setpoint – prior to outdoor reset
HI 80-200
adjustment
Differential Setting - Applies only to Hydronic setpoint.
DIF 1-40 Temperature difference below setpoint at which burner
will re-light.
Sets Outdoor Reset Curve Slope – See Determining
RES 70-HI
Reset Temperature for more information.
SFS 75-100 Starting Gas Input Value
HFS 100-240
Maximum Gas Input Value
LFS 46-100 Minimum Gas Input Value
Freeze Protection – Operates burner and circulator if
FrE ON/OFF
temperature drops below 40ºF.
Storage Feature Timer – Length of time in hours
St0 OFF-24
storage feature will keep boiler hot.
To start the control operation, you must return to RUN in the menu, and press Function. Normal operation will begin.
Controller will return to RUN mode if no button is pressed for 2 minutes.
Installation and Operation Instructions
Description Typical Settings
100-120 Infloor (High Mass)
140-160 Infloor (Low Mass)
140-160 Fan Coil
190
10
85
80
240
48 (min 46)
ON
2
45