Warranty
Table Of Contents
- Part 1 - General Safety Information
- Part 2 - Before You Start
- Part 3 - Prepare the Appliance Installation
- A. Locating the Appliance
- B. Leveling
- C. Clearances for Service Access
- D. Residential Garage and Closet Installations
- E. Exhaust Vent and Intake Pipe
- F. Carbon Monoxide Detectors
- G. Prevent Combustion Air Contamination
- H. Removing a Appliance from a Common Vent System
- I. Technical Specifications
- J. Wall-Mounting (Wall Mount Models Only)
- K. Flow Restrictor
- Part 4 - Water Piping
- Part 5 - Venting
- A. General
- B. Approved Materials for Exhaust Vent and Intake Pipe
- C. Additional Requirements for Installation in Canada
- D. Exhaust Vent and Intake Pipe Location
- E. Exhaust Vent and Intake Pipe Sizing
- F. Tightening Appliance Collar to Exhaust Vent and Intake Pipe
- G. Exhaust Vent and Intake Pipe Installation
- H. Applications
- Part 6 - Installing the Condensate Drain
- Part 7 - Connecting Electrical Service
- Part 8 - Gas Connections
- Part 9 - Controls
- Part 10 - Troubleshooting
- Part 11 - Start-Up
- Part 12 - Installation Checklist
- Part 13 - Maintenance
- Part 14 - Moving Adapters from Left to Right (Floor Models)
- Part 15 - Replacement Parts
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whl-648 Rev. 000 Rel. 009 Date 1.4.19
Part 9 - Controls
A. Control and Display Overviews
Figure 40 - Control Panel Detail
Figure 41 - LCD Display
B. Start-Up Sequence
After the boiler is powered ON, the LCD display shows a sequence of
information. The icons will ash, 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 Remarks
LCD Test
1 sec All segments “ON”
0.5 sec All segments “OFF”
Category: UFTC
1 sec Pdn
1 sec 0051
Software Version for
Front Panel
1 sec SPn
1 sec 00.xx
Software Version for
Boiler
1 sec SFn
1 sec xx.xx
Hardware Version for
Boiler
1 sec Hdn
1 sec 00xx
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.
Figure 42 - Initial Display Screen
NOTE: The initial display screen will dier 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 specic LCD outputs and dedicated controls, including:
• Changing the Set-Point Temperature
• Lock Function
• Status Display
• Installer Mode
• Error Mode
• Outdoor Temperature Mode
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
After start-up, the display appears as follows.