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13
Control Screens
To access programming mode: Press and hold the
"
MODE" button for 4 seconds. When in Program
mode, cursor is blinking on first settable parameter.
U
P/DOWN arrows change parameter. LEFT/RIGHT
arrows move to next selectable parameter.
Table E: Control Screens
NOTE: Once programming is finished, go to
Screen 28 to program the USER DEFAULT
SET_UP. Then open the front panel and press
the SW3 reset button on the motherboard to save
t
he new programming.
TLUAFEDYROTCAFNOITPIRCSEDNEERCS
Initial Screen 01 Dis
p
la
y
s the
p
roduct identification and version of software.
Calendar, Time, Initial
Set
p
oint 02
The present month, day, year and time in a 24-hour clock
format; set
p
oint tem
p
erature.
°F or °C 02
Temperature can be displayed in degrees Fahrenheit or
F°=eulavtluafeDsuicleC
Set
p
oint 02
40 to 220 °F (4.4 to 104.4 °C); the system output
temperature desired when the outdoor temperature is 70 °F
(21.1°C); or in domestic hot water applications, the desired
water tem
p
erature.
Default = 140 °F
(
60°C
)
Control Band 03
1 to 10°F; the temperature above and below the Target
Temperature at which the boiler turns off and on. NOTE: The
Control Band is disabled in PID operation. If the Control
Band is adjusted during PID operation, it disables the PID
function.
Default = 3° F. No
value when in PID
Offset 04
Degrees of offset added to or subtracted from the initial set
p
oint at the date and time selected. Default = OFF
Settin
g
Holida
y
05 Data from screen 04 is combined with these screen settin
g
s. Default = 00-00-RH
Reset Ratio 06
None (for Domestic Hot Water Application ONLY) or 0.01:1 to
8:1; determines how much the internally-calculated Target
Temperature will change for a given outdoor temperature
chan
g
e.
Default value =
200°F@10°F
(
93.3°C
@
-12.2°C
)
S
y
stem Status 07 Shows the status of the s
y
stem.
Water Temperature
Limits 08
Maximum "USER" water temperatures 235°F (112.7°C) and
Minimum water temperatures 40°F (4.4°C) Display
Onl
y
.
Max default value=
180°F / 82.2°C
Min default value=
105°F / 40.5 °C
Chan
g
es: Screen 23.
Outdoor Cut-off
Tem
p
erature 09
32 to 200°F (0 to 93.3°C), a warm-weather shutdown feature.
When the outdoor temperature exceeds this setting, the
boiler will not fire unless
p
laced in manual override mode.
Default value = 75 °F
(
23.8°C
)
Outdoor Cut-off
Deadband 10
-01 to -10°F; the number of degrees below the Outdoor Cut-
off Temperature which causes the Outdoor Cut-off
Tem
p
erature to reset. Default value = -3°F
S
y
stem/Network Monitor 11
Displays the Pump, Boiler, Stage and Auxiliary contact
status. If flashin
g
, contacts are closed
(
ON
)
.
This screen is
DISPLAY onl
y
.
Outdoor Water TAR 12
Displays the current Outdoor Air, System Water and Target
Tem
p
erature in de
g
rees °F or °C. Default = °F
AUX Dela
y
13
000 to 600 seconds; determines when the pump shuts off
after enterin
g
Outdoor Cut-off mode. Default = 180 seconds.
Boiler/Stage On Delay 14
0 to 600 seconds; sets the time interval between sequential
boiler start-ups. 0 to 600 seconds;
sets time interval between stages turning on.
Default = 10 seconds.
Disabled in PID.