Ultra Boiler Manual
Part number 550-100-440/0122
42
Veried that the U-Control is set for the correct boiler model?
Entered installation date and installer contact information
into U-Control?
Boiler and heat distribution units lled with water?
Water chemistry veried per page35?
Sentinel X100 corrosion inhibitor added and water tested to
be within range?
Automatic air vents, if used, open one full turn?
Air purged from system?
Air purged from gas piping? Piping checked for leaks?
Primed condensate trap?
Propane orice installed for propane ring and propane
conversion label axed to jacket?
Ultra boilers are shipped ready to fire natural
gas ONLY. Exception: e Ultra-80LP is factory-
equipped to re propane. To re on propane, for
all other models, you must follow the instructions
in this manual to install the propane orice or
conversion kit, or make adjustments required, if the
boiler will be connected to propane. See page48
Failure to comply could result in severe personal
injury, death or substantial property damage.
ermostat circuit wiring checked to ensure there are no
stray voltages?
Followed Operating Instructions, Figure38,page39?
Burner ame and combustion veried per page40?
Veried control operation for space heating and DHW (if
used) per this manual?
Tested additional eld-installed controls? — If boiler has
a low water cuto, additional high limit or other controls,
tested for operation as outlined by manufacturer? (Boiler
should be operating and should go o when controls are
tested. Verify controls cause automatic reset lockout or
manual reset lockout as desired.)
Set additional field-installed limit control(s) to system
temperature requirements? Adjusted balancing valves and
controls to provide design temperature to system?
For multiple zones, adjusted for correct ow in each zone?
Veried thermostat heat anticipator (if available) set prop-
erly?
Cycled boiler with thermostat (and with DHW aquastat, if
installed) — Raised to highest setting and veried boiler goes
through normal startup cycle? Lowered to lowest setting and
veried boiler goes o?
Measured natural gas input? (page40)
Checked incoming gas pressure by connecting manometer
to gas valve ahead of boiler? (Gas pressure must be at least
5 inches w.c. for natural gas, and 4 inches w.c. for propane,
with boiler operating at high re, and no more than 13 inches
w.c. with boiler operating or boiler o.)
Observed several operating cycles for proper operation?
Set room thermostat to desired room temperature (and DHW
aquastat, if installed, to desired DHW storage temperature)?
Reviewed all instructions shipped with this boiler with owner
or maintenance person?
Fill in , page140.
Fill out the warranty registration card and send to
WM Technologies.
Return instructions to envelope and give to owner or place
inside boiler housing.
Fill out start-up data on the Installation and
Service Certicate, page140.