Westinghouse WBRE80 User Manual page 48

48
Function 37
MODBUS MODE
OFF 37
Function 54
BOOST TIME
0 54
Function 55
PUMP CH PRIO
OFF 55
Function 56
O-10V A OUTPUT CONFIG
POWER BOIL 56
The following information details the 0-10V output parameters
described in Function 56 that can be read at a Building
Management System.
BOIL POWER - 0-10V output is proportional to boiler firing
rate. 0V = Not Firing, 1.5V = Minimum Firing Rate, 10V =
Maximum Firing Rate
CASC POWER - When configured on the Cascade Master,
0-10V is proportional to the firing rate of the Cascaded System.
0V = Not Firing, 1.5V = Minimum Firing Rate (One Boiler Lit),
10V = Maximum Firing Rate of all Connected Boilers
FAN SPEED - Output is proportional to boiler fan speed. 0V =
Fan is Off, 1.5V = Minimum Fan Speed, 10V = Maximum Fan
Speed
ALARM - 0V = Alarm is Off, 10V = Alarm is On
TEMPERATUR - Output follows boiler temperature setting
based on outdoor reset. 0V = Minimum Boiler Temperature
WHL-052 Rev. 4.28.16
Modbus Mode
Enables Modbus Mode
appliance. Factory Default:
(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.
Boost Time
Temporarily overrides the Outdoor
Reset Curve to bring the boiler up to
the maximum setpoint to satisfy a
thermostat call in less time. Factory
Default: 0 min (Range: 0-762 min in
increments of 6 minutes.) EXAMPLE:
If 6 minutes is selected, and there has
been a call for heat for 6 minutes, the
boiler will override the Outdoor Reset
Curve and boost to the maximum
setpoint until the call for heat is
satisfied. The boiler will then continue
to boost for 6 additional minutes
before returning to the Outdoor Reset
Curve.
CH Pump Priority
Controls whether the CH pump will
operate during a DHW Priority call.
A setting of OFF will not run the CH
pump, while an ON setting will run the
CH pump. Factory Default: OFF (Range
OFF/ON)
OA1 Configuration
Controls the operation of the 0-10V A
output on the Field Connection Board.
Factory Default: BOIL POWER (Range:
BOIL POWER / CASC POWER / FAN
SPEED / ALARM / TEMPERATUR /
FLAME / DO NOT USE).
for Maximum Outdoor Temperature Setting. 10V = CH (or
cascade) temperature setting. This number will vary with the
on the
outdoor temperature so that the user can know what setpoint
OFF
temperature the boiler is trying to achieve.
FLAME - Equals boiler Flame Current. 0V = 0ua, 10V = 10ua.
Function 57
O-10V A OUTPUT OFFSET
0.0
Function 58
O-10V B OUTPUT CONFIG
POWER BOIL
Function 59
O-10V B OUTPUT OFFSET
0.0
Function 60
CH dT SETTING
20F
Function 61
OFFSTATE VOLT 0-10V A
0.0V
Function 62
OFFSTATE VOLT 0-10V B
0.0V
Table 19 - System Setting Program Navigation
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
Function 33
SERVICE SCHEDULE
YEAR 00/00/2000
SERVICE SCHEDULE
10000's 000000
OA1 Offset
This value is added to the
OFFSTATE VOLT OA1 value, to
57 determine the total voltage output
required at the minimum case.
OA2 Configuration
Controls the operation of the 0-10V
B output on the Field Connection
Board. Factory Default:
POWER (Range: BOIL POWER
56
/ CASC POWER / FAN SPEED /
ALARM / TEMPERATUR / FLAME /
DO NOT USE).
OA2 Offset
This value is added to the
OFFSTATE VOLT OA1 value, to
57 determine the total voltage output
required at the minimum case.
CH dT Setting
This parameter is only available
when DO NOT USE is selected in
Function 56. DO NOT USE THIS
60
PARAMETER. Return to Function
56 and select another parameter.
Offstate Voltage OA1
This parameter is only available
when DO NOT USE is selected in
Function 56. DO NOT USE THIS
61
PARAMETER. Return to Function
56 and select another parameter.
Offstate Voltage OA2
This parameter is only available
when DO NOT USE is selected in
Function 58. DO NOT USE THIS
61
PARAMETER. Return to Function
58 and select another parameter.
Description
Year
Allows the user to set the year of the
33 next service reminder.
Hours
Allows the user to set the left two
digits of the amount of run hours
33
before next service reminder.
BOIL