User’s Information Manual Gas-Fired Water Boilers With or without Companion Water Heater Available option: Matching High Performance Companion Water Heater (Unit sold separately) If the information in this manual is not followed exactly, a fire or explosion may result, causing property damage, personal injury or loss of life. Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
WM97+ Gas-fired water boiler — User’s Information Manual Please read this page first To . . . Read and use . . . Page Learn precautions See Hazard Definitions, below 3 See illustration at right 2 Prevent air contamination Laundry room or pool — make sure boiler air is piped to boiler per manual. Read list of air contaminants you must avoid. 4 Maintain boiler Set up a plan for maintaining the boiler using the schedule included in this manual.
WM97+ Gas-fired water boiler — User’s Information Manual STOP!! — Read before proceeding Have this boiler serviced/ inspected by a qualified service technician, at least annually. Failure to comply with the above could result in severe personal injury, death or substantial property damage. When calling or writing about the boiler— Please have the boiler model number from the boiler rating label and the CP number from the boiler jacket.
WM97+ Gas-fired water boiler — User’s Information Manual Prevent combustion air contamination Air contamination Combustion air contamination: Common household and hobby products often contain fluorine or chlorine compounds. When these chemicals pass through the boiler, they can form strong acids in the vent system or boiler. The acid can eat through the vent or boiler wall, causing serious damage and presenting a possible threat of flue gas spillage into the building.
WM97+ Gas-fired water boiler — User’s Information Manual Annual startup and general maintenance Figure 2 Service and maintenance schedules OWNER MAINTENANCE BEGINNING OF SEASON (see the following pages for instructions) Contact your boiler service technician to inspect, service and start up your boiler. You must have an annual start-up performed by a qualified service technician to ensure reliable operation of the boiler and system. • Check boiler area. DAILY • Check air openings.
WM97+ Gas-fired water boiler — User’s Information Manual User maintenance procedures Boiler must be serviced and maintained The boiler should be inspected and started annually, at the beginning of the heating season, only by a qualified service technician. In addition, the maintenance and care of the boiler designated on page 5 and explained on the following pages must be performed to assure maximum boiler efficiency and reliability.
WM97+ Gas-fired water boiler — User’s Information Manual User maintenance procedures MONTHLY Maintenance (continued) Check vent & air piping 1. Visually inspect the flue gas vent piping and air piping for any signs of blockage, leakage or deterioration of the piping. Notify your qualified service technician at once if you find any problem.
WM97+ Gas-fired water boiler — User’s Information Manual User maintenance procedures EVERY 6 MONTHS Maintenance (continued) Check boiler piping 1. Check all gas lines and smell for gas odors. Perform gas leak inspection per steps 1 through 7, Operating Instructions, page 9. If gas odor or leak is detected, immediately shut down boiler following procedures on page 9. Call a qualified service technician. 2. Visually inspect for water leaks around all piping, circulators, relief valves and other fittings.
WM97+ Gas-fired water boiler — User’s Information Manual OPERATING INSTRUCTIONS Figure 5 Operating instructions (see page 2 for location of manual gas valve) Part number 550-142-086/0113 9
WM97+ Gas-fired water boiler — User’s Information Manual The WM97+ control display Figure 6 10 WM97+ boiler control display states — press the RIGHT ARROW button to see the INFORMATION screen Part number 550-142-086/0113
WM97+ Gas-fired water boiler — User’s Information Manual The WM97+ control display (continued) Figure 7 WM97+ boiler control MAINTENANCE notice screens (alternates between wrench screen and maintenance screen) Figure 8 WM97+ boiler control display LOCKOUT SCREEN — screen turns red when boiler locks out — highlight and select MANUAL RESET to reset boiler as shown below.
WM97+ Gas-fired water boiler — User’s Information Manual The WM97+ control settings (without CWH) USER Menu functions Figure 9 12 Date and time Maintenance information 1. Set year, month, date, hour and minute on the five screens shown below. 2. Keep date and time current to ensure that maintenance information and control fault history will be accurate. 1. Obtain installer information, installation date and maintenance schedule (last and next dates). 2.
WM97+ Gas-fired water boiler — User’s Information Manual WM97+ Boiler with Companion Water Heater (CWH) See the next three pages for information on control settings and adjustments for boilers with CWH units. WM97+ Boiler Hot Water Can Scald! • • • Optional WM97+ Companion Water Heater Part number 550-142-086/0113 Water heated to temperature for clothes washing, dish washing and other sanitizing needs can scald and cause permanent injury.
WM97+ Gas-fired USER Menu functions water boiler — User’s Information Manual CWH Date, Time & Maintenance Date and time 1. Set year, month, date, hour and minute on the five screens shown at right. 2. Keep date and time current to ensure that maintenance information, control fault history and schedule settings (if SCHEDULE mode is used) will be accurate. Maintenance information 1. Obtain installer information, installation date and maintenance schedule (last and next dates). 2.
WM97+ Gas-fired water boiler — User’s Information Manual CWH Performance Mode quick set-up Hot water can scald. Read DANGER information on page 13 before adjusting. Mode Description If selected by a User — CWH operation is turned off; can be turned on by user in the Performance Mode Menu OFF-DISABLED NOTICE — If a Contractor selects OFF-DISABLE, the CWH cannot be turned on by the user. It can only be activated by a Contractor.
WM97+ Gas-fired water boiler — User’s Information Manual Vacation mode quick access Vacation mode access 1. Use the sequence shown below for quick access to enable VACATION mode. 2. When VACATION mode is turned OFF, the WM97+ control reverts to the Performance Mode previously selected. ATTENTION CWH USER! Have the water heater serviced at least once annually by a qualified service technician. Follow the maintenance procedures below at least monthly.
