TriangleTube Prestige Excellence Part 1 - Manual (Page 56)

49
Outdoor Reset Control
CH Reset Curve Warmest Day
(Parameter 12)
This parameter is not applicable if an outdoor
sensor is not connected to the boiler. When an
outdoor temperature sensor is connected, the
CH Reset Curve Warmest Day is the warmest
design temperature of the heating system.
Entering MCBA Access Code
The installer must enter the MCBA Access
Code to adjust the advanced parameter settings
of the MCBA. The Access Code can be
entered as follows:
1. Press the MODE button until the display
shows STbY .
2. Press and hold the MODE and STEP but-
tons together for 2 to 3 seconds until the
display shows
CODE .
3. Press the STEP button once and the display
will show C_
XX
where
XX
represents a
random number.
4. Press the “+” or “–“ buttons to change the
number displayed to read C_54 . . Press
and hold the “+” or “–“ button to rapidly
change the number.
5. When the display reads C_54 , press the
STORE button to save the Access Code.
The display should flash to indicate that the
Access Code was saved.
After the Access Code has been entered, the
advanced parameters can be accessed by press-
ing the MODE button until the display shows
PARA . Once the display shows PARA , press
the STEP button to reach the appropriate para-
meter. The display should follow the following
sequence:
Press STEP once- 1140
Press STEP x2 - 2_01
Press STEP x3 - 3_01
Press STEP x4 - 4186
Press STEP x5 -
P_10
Press STEP x6 - P_11 Etc......
After Parameter 4, the display will show P fol-
lowed by the parameter number. Once a par-
ticular parameter is reached, the display will
change to show the current setting of that para-
meter.
The actual parameter values displayed on
the display may vary depending on the
application, but the sequence will always
occur in the order shown.
Changing a Parameter Setting
1. Use the “+” or “–“ button to change the
parameter setting.
2. Press the STORE button to save the
change. The display should flash to indi-
cate that the change was saved.
3. Press the RESET button to leave the Access
Code mode.
NOTICE