lp-445-r4 Rev. 006 Rel. 027 Date 7.21.20
44
Function 9
Max Supply Temp
MAX SUPPLY TEMP
190
o
F 9
Sets the maximum design supply
temperature based on the minimum
outdoor design temperature.
Default: 190
o
F (Range: 77
o
F to
190
o
F).
Function 10
Max Outdoor Temp
MAX OUTDOOR TEMP
68
o
F 10
Sets the maximum outdoor design
temperature for the system design.
Default: 68
o
F (Range 32
o
F to 190
o
F).
Function 11
Min Supply Temp
MIN SUPPLY TEMP
95
o
F 11
Sets the design supply water
temperature based on the maximum
outdoor design temperature.
Default: 95
o
F (Range: 32
o
F to 190
o
F).
Function 12
Min Boiler Temp
MIN BOILER TEMP
68
o
F 12
Sets the design minimum heat
curve temperature for central heat.
Default: 68
o
F (Range: 32
o
F to 190
o
F).
Function 13
CH Post Pump Time
CH POST PUMP TIME
0 MINUTES 13
Allows the user to set the boiler
pump post purge time once the
thermostat is satisfied. Default: 0
minutes (Range: 0 – 10 minutes).
Screen
Description
Function 14
DHW Priority
DHW PRIORITY
30 MINUTES 14
Allows the user to set the maximum
run time for the indirect fired water
heater and the minimum run time
for central heating. Default: 30
minutes (Range: 0 – 60 minutes).
Function 15
Cascade Address
CASCADE ADDRESS
0 15
Bus addressing boilers (maximum
boilers allowed 8 in a cascade
system). Master Boiler address is 0
and Following Boilers are addressed
1 thru 7. Default: 0 (Range: 0 – 8).
NOTE: ONLY USE ADDRESS 8 if using
a Vision 3 panel.
Function 16
Optional Inputs
OPTIONAL INPUT
RETURN SEN 16
Allows the user to select optional
inputs to control or monitor the
system. Default: RETURN (Range:
Off / Booster Board / 0-10 Volt /
DHW Sensor / Return Sen).
Function 17
0-10 Volt Function
0-10 VOLT FUNCTION
TEMPERATURE 17
Control boiler modulation through
temperature control. Factory
Default = Temperature (Range:
Temperature or Fan Speed).
Function 18
Step Modulation Mode
STEP MODULATE MODE
ON 18
Allows the user to turn ON the step
modulation, which regulates burner
output in six steps at one minute
intervals. Step modulation will start
at the last modulation rate of the
boiler and work up one minute at a
time. Default: OFF (Selection: OFF or
ON).
Function 19
Boiler DHW Temp
BOILER SUPPLY DHW
180
o
F 19
Allows the user to program the
boiler supply water temperature to
the indirect heat exchanger during
a demand cycle. Default: 180
o
F
(Range: 119
o
F to 190
o
F).
Function 20
Water Safety Input
WATER SAFETY INPUT
WATER PRESSURE 20
The user can select various water
safety inputs used in the boiler
system. Default: Flow Switch
(Range: None / Low Water Cut Off /
Flow Switch / Water Pressure).
Function 21
Error Outdoor Sensor
ERROR OUTD SENSOR
OFF 21
Allows the user to set the control
to display an error message if an
outdoor sensor is open or shorted.
NOTE: This error does not stop the
boiler from running. Factory Default:
OFF (Range: ON / OFF / PHOEN ON).
Function 22
Adjust Boiler Output %
ADJ BOILER OUTPUT
100% 22
Adjusts the boiler output down
from 100% to 50%. Factory Default:
100%. (Range: 100% – 50%)
Screen
Description
Function 23
Cascade Mode
CASCADE MODE
VISION 3 23
Allows the user to select cascade
mode. Select VISION 3 if boiler is
operating alone or using an older
Vision 3 control panel for cascade
operation. Select ALL 926 to establish
a cascaded system WITHOUT
common vent. In cascaded systems
WITH a common vent, select the
number of cascaded boilers in the
system on the cascade master (2
BOILERS in a two boiler system, 6
BOILERS in a six boiler system, etc.)
On cascade followers in a common
vent system, select COMMON FLUE
to establish a cascaded system WITH
common vent. Factory Default:
VISION 3 (Range: VISION 3 / ALL 926
/ 2 – 8 BOILERS [on cascade master
ONLY] / COMMON FLUE [on cascade
followers ONLY]).
Function 24
Cascade Rotation
CASCADE ROTATION
48 HOURS 24
Sets the amount of hours before
the first boiler in the cascade firing
rotation will be changed. NOTE: If
this is set to 0, the firing order of the
boilers will not rotate. Default: 48
hours (Range: 0 – 240 hours).
Function 25
Cascade DHW Mode
NOT USED
NOT USED 25
Not applicable on this product.
