WHL-016 Rev. 4.14.16
52
Screen
Description
Function 26
System Freeze Protection
SYS FREEZE PROT
PROTECT OFF 26
NOTE:
This parameter is only
present if the boiler is a cascade
master. Allows the user to set the
freeze protection when a system
pump is used. Factory Default: OFF.
Selection of temperature activates
freeze protection. (Range: OFF,
-40
o
F – 104
o
F).
Function 27
Error System Sensor
ERROR SYSTEM SENS
ON 27
Sets the control to display an error
message if the system sensor is
open or shorted. NOTE: This error
does not stop the boiler (or boilers)
from running. Factory Default: ON
(Range: ON / OFF).
Function 28
Freeze Protection
FREEZE PROTECTION
ON 28
Allows the user to set freeze
protection on the boiler. Factory
Default: ON (Range: ON / OFF).
Function 29
DHW Modulation Mode
DHW MODULATE MODE
NORMAL MOD 29
This parameter controls how
the boiler modulates for a DHW
demand. In NORMAL MOD mode,
the boiler will modulate down
from high fire when there is a DHW
demand. In LOW MOD mode, the
boiler will modulate up from low
fire when there is a DHW demand.
This mode is useful to minimize
short cycling when a large boiler
and small indirect tank are used
together. Factory Default: NORMAL
MOD (Range: NORMAL MOD / LOW
MOD).
Function 30
Extra Boiler Mode
EXTRA BOILER MODE
OFF 30
Allows for a non Westinghouse
boiler to be controlled when the
cascade output has risen above the
percent of the cascade firing rate set
in this parameter. Factory Default:
Off (Range: 50% - 100%).
Function 31
System Sensor Mode
SYSTEM SENSOR MODE
OFF 31
Suppresses the ‘NO FOLLOWER’
display message if the boiler is used
as a cascade master boiler with no
follower boilers connected. Factory
Default: OFF (Range: ON / OFF).
Function 32
Service Schedule
SERVICE SCHEDULE
OFF 32
Selects a service date or time based
on the boiler run hours to program
the boiler maintenance schedule.
Factory Default: OFF (Range: Date
or Run Hours). NOTE: Without
setting this function, Functions
33/34/35/36 will not display.
Table 18 - System Setting Program Navigation
Function 37
Modbus Mode
MODBUS MODE
OFF 37
Enables Modbus Mode on the
appliance. Factory Default: OFF
(Range: OFF, ON, AUTO). NOTE:
Turning Modbus Mode “ON” will open
a number of additional parameters
to customize Modbus installation.
See Modbus Instructions (lp-372) for
details. NOTE: Turning this Mode
“ON” without a connected and
powered Modbus communication
adapter (p/n 7350P-629) will result
in improper appliance operation.
Service calls associated with this
ARE NOT covered by warranty.
NOTE:
For the following functions, you must have your
maintenance function turned on.
To change these functions, press
ENTER
. The left most digit will
begin to blink. Use the
^
or
v
arrows to change the digit. Use the
< >
arrow keys to switch between digits. When you’ve made your
selection, press
ENTER
again.
Screen
Description
Function 33
Year
SERVICE SCHEDULE
YEAR 00/00/2000 33
Allows the user to set the year of the
next service reminder.
Hours
SERVICE SCHEDULE
10000’s
00
0000 33
Allows the user to set the left two digits
of the amount of run hours before next
service reminder.
Function 34
Month
SERVICE SCHEDULE
MONTH 00/00/2000 34
If the date function was selected, this
function programs the month. If you
selected the run hour function, you
will need to program 10,000 hours, if
required.
Hours
SERVICE SCHEDULE
10000’s 00
00
00 34
Allows the user to set the middle two
digits of the amount of run hours
before next service reminder.
Function 35
Day
SERVICE SCHEDULE
DAY 00/00/2000 35
Sets the day of next service reminder.
Hours
SERVICE SCHEDULE
10000’s 0000
00
35
Sets the two right digits of the amount
of run hours for the next service
reminder.
Function 36
Telephone
TELEPHONE #
000 000 0000 36
Allows the user to input a telephone
number that will display when
maintenance is required.
Table 19 - Maintenance Reminder Function Screens
G. Resetting the Maintenance Schedule
When the system control flashes MAINTENANCE REQUIRED,
it is advisable that you call for service. After the service is
performed, reset the schedule for the next required service by
using the following steps.
Press
ENTER
on the display for 3 seconds. The Menu code will
Summary of Contents for WBC 399
Page 14: ...WHL 016 Rev 4 14 16 14 Figure 6 Boiler Dimensions NOTE All Dimensions Are Approximate 055 080 ...
Page 21: ...WHL 016 Rev 4 14 16 21 Figure 9 Piping Symbol Legend ...
Page 42: ...WHL 016 Rev 4 14 16 42 Figure 33 Internal Connection Diagram ...
Page 65: ...WHL 016 Rev 4 14 16 65 Figure 37 Combustion System Replacement Parts 55 110kBTU Models ...
Page 67: ...WHL 016 Rev 4 14 16 67 Figure 39 Combustion System Replacement Parts 155 399kBTU Models ...
