Specifications
Part number 550-100-090/0809
g a s -f i r e d w a t e r b o i l e r — Boiler Manual
38
Check-out/startup verification
Verified 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 filled with water?
Water chemistry verified per
page 31?
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 orifice installed for propane firing and propane
conversion label affixed to jacket?
Ultra boilers are shipped ready to fire natural
gas ONLY. Exception: The Ultra-80LP is factory-
equipped to fire propane. To fire on propane, for
all other models, you must follow the instructions
in this manual to install the propane orifice or
conversion kit, or make adjustments required, if
the boiler will be connected to propane. See page 9.
Failure to comply could result in severe personal
injury, death or substantial property damage.
Thermostat circuit wiring checked to ensure there are no
stray voltages?
Followed Operating Instructions,
Figure 36, page 35?
Burner flame and combustion verified per
page 36?
Verified control operation for space heating and DHW (if
used) per this manual?
Tested additional field-installed controls? — If boiler has
a low water cutoff, additional high limit or other controls,
tested for operation as outlined by manufacturer? (Boiler
should be operating and should go off 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 flow in each zone?
Verified thermostat heat anticipator (if available) set prop-
erly?
Cycled boiler with thermostat (and with DHW aquastat, if
installed) — Raised to highest setting and verified boiler goes
through normal startup cycle? Lowered to lowest setting and
verified boiler goes off?
Measured natural gas input? (
page 36)
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 fire, and no more than 13 inches
w.c. with boiler operating or boiler off.)
Observed several operating cycles for proper operation?
Set room thermostat to desired room temperature (and
DHW aquastat, if installed, to desired DHW storage tem-
perature)?
Reviewed all instructions shipped with this boiler with owner
or maintenance person?
Fill in
Installation certicate, page 124.
Fill out the warranty registration card and send to Weil-
McLain.
Return instructions to envelope and give to owner or place
inside boiler housing.
Fill out start-up data on the In-
stallation and Service Certificate,
page 124.