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44
Function 9
MAX SUPPLY TEMP
o
190
F
9
Function 10
MAX OUTDOOR TEMP
o
68
F
10
Function 11
MIN SUPPLY TEMP
o
95
F
11
Function 12
MIN BOILER TEMP
o
68
F
12
Function 13
CH POST PUMP TIME
0 MINUTES
13
Screen
Function 14
DHW PRIORITY
30 MINUTES
14
Function 15
CASCADE ADDRESS
0
15
Function 16
OPTIONAL INPUT
RETURN SEN
16
Function 17
0-10 VOLT FUNCTION
TEMPERATURE
17
Function 18
STEP MODULATE MODE
ON
18
whl-445 Rev. 000 Rel. 014 Date 7.21.20
Max Supply Temp
Sets the maximum design supply
temperature based on the minimum
outdoor
design
temperature.
o
o
Default: 190
F (Range: 77
o
190
F).
Max Outdoor Temp
Sets the maximum outdoor design
temperature for the system design.
o
o
Default: 68
F (Range 32
F to 190
Min Supply Temp
Sets the design supply water
temperature based on the maximum
outdoor
design
temperature.
o
o
Default: 95
F (Range: 32
F to 190
Min Boiler Temp
Sets the design minimum heat
curve temperature for central heat.
o
o
Default: 68
F (Range: 32
F to 190
CH Post Pump Time
Allows the user to set the boiler
pump post purge time once the
thermostat is satisfied. Default: 0
minutes (Range: 0 – 10 minutes).
Description
DHW Priority
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).
Cascade Address
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.
Optional Inputs
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).
0-10 Volt Function
Control boiler modulation through
temperature
control.
Factory
Default = Temperature (Range:
Temperature or Fan Speed).
Step Modulation Mode
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 SUPPLY DHW
o
180
F
F to
Function 20
WATER SAFETY INPUT
o
F).
WATER PRESSURE
Function 21
o
F).
ERROR OUTD SENSOR
OFF
o
F).
Function 22
ADJ BOILER OUTPUT
100%
Screen
Function 23
CASCADE MODE
VISION 3
Function 24
CASCADE ROTATION
48 HOURS
Function 25
NOT USED
NOT USED
Boiler DHW Temp
Allows the user to program the
boiler supply water temperature to
the indirect heat exchanger during
19
a demand cycle. Default: 180
o
o
(Range: 119
F to 190
F).
Water Safety Input
The user can select various water
safety inputs used in the boiler
system.
Default:
Flow
20
(Range: None / Low Water Cut Off /
Flow Switch / Water Pressure).
Error Outdoor Sensor
Allows the user to set the control
to display an error message if an
outdoor sensor is open or shorted.
21
NOTE: This error does not stop the
boiler from running. Factory Default:
OFF (Range: ON / OFF / PHOEN ON).
Adjust Boiler Output %
Adjusts the boiler output down
from 100% to 50%. Factory Default:
22
100%. (Range: 100% – 50%)
Description
Cascade Mode
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
common vent. In cascaded systems
WITH a common vent, select the
number of cascaded boilers in the
system on the cascade master (2
23
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]).
Cascade Rotation
Sets the amount of hours before
the first boiler in the cascade firing
rotation will be changed. NOTE: If
24
this is set to 0, the firing order of the
boilers will not rotate. Default: 48
hours (Range: 0 – 240 hours).
Cascade DHW Mode
Not applicable on this product.
25
o
F
Switch
WITHOUT
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