Westinghouse WBMC**500 Manual page 46

46
Function 16
OPTIONAL INPUT
RETURN SEN 16
Function 17
0-10 VOLT FUNCTION
TEMPERATURE 17
Function 18
STEP MODULATE MODE
ON 18
Function 19
BOILER SUPPLY DHW
o
180 F 19
Function 20
WATER SAFETY INPUT
WATER PRESSURE 20
Function 21
ERROR OUTD SENSOR
OFF 21
Function 22
ADJ BOILER OUTPUT
100% 22
WHL-033 Rev. 1.29.16
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).
Boiler DHW Temp
Allows the user to program the
boiler supply water temperature to
the indirect heat exchanger during
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 Switch
(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.
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:
100%. (Range: 100% – 50%)
Screen
Function 23
CASCADE MODE
VISION 3
Function 24
o
F
CASCADE ROTATION
48 HOURS
Function 25
NOT USED
NOT USED
Function 26
SYS FREEZE PROT
PROTECT OFF
Function 27
ERROR SYSTEM SENS
ON
Function 28
FREEZE PROTECTION
ON
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
WITHOUT common
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
23
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
System Freeze Protection
NOTE: This parameter is only
present if the boiler is a cascade
master. Allows the user to set the
freeze protection when a system
26 pump is used. Factory Default: OFF.
Selection of temperature activates
freeze protection. (Range: OFF,
o o
-40 F – 104 F).
Error System Sensor
Sets the control to display an error
message if the system sensor is
open or shorted. NOTE: This error
27 does not stop the boiler (or boilers)
from running. Factory Default: ON
(Range: ON / OFF).
Freeze Protection
Allows the user to set freeze
protection on the boiler. Factory
28
Default: ON (Range: ON / OFF).
vent. In