Specifications

Part number 550-142-120/0113
– 95 –
WM97+ gas-fired water boiler — Boiler Manual
Annual startup and general maintenance
Figure 103 Service and maintenance schedules
Follow the service and maintenance procedures given throughout this manual and in component literature shipped
with the boiler. Failure to perform the service and maintenance could result in damage to the boiler or system. Failure to
follow the directions in this manual and component literature could result in severe personal injury, death or substantial
property damage.
Owner maintenance
(see WM97+ User’s Information Manual)
Daily
• Checkboilerarea.
• Checkairopenings.
• Checkpressure/
temperaturegauge.
• Verifyboilerfrontdooris
securelyinplace.
Monthly
• Checkventpiping.
• Checkairpiping.
• Checkreliefvalve.
• Checkcondensatedrain
system.
• Checkautomaticairvents
(ifused).
• Verifythatdomestichot
waterisbeingsupplied
toxturesatthecorrect
temperature.
Every
6 months
• Checkboilerpiping(gas
andwater)
• Operatereliefvalve.
Service technician
(see page numbers indicated for details)
ANNUAL START-UP (See First-year special inspection)
• Addressreportedproblems . . . . . . . . . . . . . . . . . . . 95
• Inspectboilerarea. . . . . . . . . . . . . . . . . . . . . . . . 95
• Inspectboilerinterior&doorgaskets . . . . . . . . . . . . . . 95
• Cleancondensatetrap. . . . . . . . . . . . . . . . . . . . . . 95
• Checkallpipingforleaks . . . . . . . . . . . . . . . . . . . . 95
• Checkairopenings . . . . . . . . . . . . . . . . . . . . . . . 96
• Flueventsystemandairpiping . . . . . . . . . . . . . . . . . 96
• Checkwatersystem. . . . . . . . . . . . . . . . . . . . . . . 96
• Checkexpansiontank(s). . . . . . . . . . . . . . . . . . . . . 96
• Inspectignitionelectrode . . . . . . . . . . . . . . . . . . . . 96
• Checkignitionwiring. . . . . . . . . . . . . . . . . . . . . . . 97
• Checkallboilerwiring . . . . . . . . . . . . . . . . . . . . . . 97
• Checkcontrolsettings . . . . . . . . . . . . . . . . . . . . . . 97
• Performstartupandchecks. . . . . . . . . . . . . . . . . . . 97
• CompanionWaterHeaterinstallationsonly—verifyoperationper
CWHmanual . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
• Checklowwatercutoffservicelight . . . . . . . . . . . . . . . 97
• Checkburnerame . . . . . . . . . . . . . . . . . . . . . . . 97
• Checkamesignal. . . . . . . . . . . . . . . . . . . . . . . . 97
• Checkblowerspeeds . . . . . . . . . . . . . . . . . . . . . . 98
• Checkuegastemperature. . . . . . . . . . . . . . . . . . . 98
• Checkboilerreliefvalve . . . . . . . . . . . . . . . . . . . . . 99
• Reinstalljacketdoorafterservicing . . . . . . . . . . . . . . . 99
• Reviewwithowner . . . . . . . . . . . . . . . . . . . . . . . . 99