Part 9 - Controls; Control And Display Overviews; Start-Up Sequence - Westinghouse WBRC 140 Series Installation, Start-Up, Maintenance, Parts, Warranty

46

Part 9 - Controls

A. Control and Display Overviews
Figure 40 - Control Panel Detail
Figure 41 - LCD Display
The LCD display also features a backlit lamp that will illuminate:
• When a user action is detected (a button is pressed)
• The display has timed out for approximately 2 minutes
B. Start-Up Sequence
After the boiler is powered ON, the LCD display shows a sequence of
information. The icons will flash, followed by various indicators that
describe the boiler controller and software versions. It will take the
boiler roughly 15 seconds to cycle through the Start-Up Sequence.
Display Items Time for Display
LCD Test
Category: UFTC
Software Version for
Front Panel
Software Version for
Boiler
Hardware Version for
Boiler
Table 26 - Start-Up Sequence
NOTE: When the boiler is powered ON, the fan will operate at maximum
speed for 1 minute to purge the air and any fumes from the intake and
exhaust pipes.
whl-648 Rev. 001 Rel. 003 Date 10.8.19
Remarks
1 sec All segments "ON"
0.5 sec All segments "OFF"
1 sec Pdn
1 sec 0051
1 sec SPn
1 sec 00.xx
1 sec SFn
1 sec xx.xx
1 sec Hdn
1 sec 00xx
After start-up, the display appears as follows.
Figure 42 - Initial Display Screen
NOTE: The initial display screen will differ depending on a number
of factors, including whether the boiler detects a call for heat or hot
water.
The Control System can operate through user and service modes
that have specific LCD outputs and dedicated controls, including:
• Changing the Set-Point Temperature
• Lock Function
• Status Display
• Installer Mode
• Error Mode
• Outdoor Temperature Mode