Ultra Boiler Manual

Part number 550-100-440/0122
115
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MAINTENANCE & SPECIFICATIONS
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
Reinstall boiler door aer servicing. e
boiler door must be securely fastened to
the boiler to prevent boiler from draw-
ing air from inside the boiler room. is
is particularly important if the boiler is
located in the same room as other appli-
ances. Failure to keep the door securely
fastened could result in severe personal
injury or death.

1. See Figure122 for tools and kits recommended for
troubleshooting Ultra boilers.
2. Check for 120 VAC (minimum 102 VAC to maxi-
mum 132 VAC) to boiler.
3. Check the U-Control’s last three lockout histories.
a. See “ADVANCED SETUP – OVERVIEW” on
page99
b. Scroll down to DIAGNOSTICS and press the
enter key.
c. Scroll down to ERRORS and press the enter key.
d. Record the rst four data records and then
highlight the history record you want to view.
e. Follow information at the bottom of the screen
to navigate through your lockout histories.
VERIFY PROPER OPERATION AFTER SERVICING. VERIFY PROPER OPERATION AFTER SERVICING.
Before servicing and making connections . . .
ALWAYS TURN POWER OFF TO THE BOILER
TO PREVENT ELECTRICAL SURGES, WHICH
CAN DAMAGE BOILER COMPONENTS.
ELECTRICAL SHOCK HAZARD — e boiler ON/
OFF switch does not turn o all power to the boiler.
TURN OFF ALL POWER TO THE BOILER WHEN
SERVICING
. Internal wiring is still powered when the
switch is o.
Label all wires prior to disconnection when servicing
controls. Wiring errors can cause improper and dan-
gerous operation. Always disconnect power to boiler
before servicing. Failure to comply could result in
severe personal injury, death or substantial property
damage.
Never jumper (bypass) any device except for momen-
tary testing. Severe personal injury, death or substan-
tial property damage can result.
Before calling, always complete the “Ultra Gas Data
Collection Sheet
” (page124). Record the boiler size
and CP number (located on the lower center support
frame in the center of the boiler).
Figure 122 Tools and kits for troubleshooting
Tools needed for troubleshooting Purpose
#2 Phillips Screwdriver Remove 4 screws to remove the top front cover
U-Control Screwdriver or 1/16" at blade screwdriver Used for wiring on terminal blocks for the U-Control (comes with boiler)
1/8" Allen Wrench (Hex Key) To add orice to change from natural to propane
7mm Nut driver (Ultra 155/230/299/399) To change the burner (#2 Phillips Screwdriver for the 80 and 105)
11mm Nut driver To remover the front cover plate on the burner
4mm Allen wrench (long handled preferred) To remove the blower assembly from the heat exchanger
Multimeter To take measurement readings on sensors and electrical components
Manometer (Incline or digital) To measure the gas pressure coming to the boiler.
Combustion analyzer (Digital preferred) For combustion testing.
Contact thermometer For checking surface temperatures of heat exchanger and pipes
P/N 383-500-605 Maintenance Kit (80 and 105) This kit should be on hand when performing annual maintenance in the event replacement
is required.
P/N 383-500-620 Maintenance Kit (155/230/299/399) This kit should be on hand when performing annual maintenance in the event replacement
is required.