Weil-McLain Ultra Oil, Manual

Page: 28 / 40

®
WATER BOILER
—
Boiler Manual
Annual service and start-up
(continued)
Check boiler relief valve
1. Inspect the relief valve and lift the lever to verify flow as
in the following warnings, excerpted from a relief valve
manufacturer’s warning label. Before operating any
relief valve, ensure that it is piped with its discharge in
a safe area to avoid severe scald potential. Read page 14
regarding relief valves before proceeding further.
3AFETYRELIEFVALVESSHOULDBEREINSPECTED
AT
LEASTONCEEVERYTHREEYEARS , by a licensed
PLUMBINGCONTRACTORORAUTHORIZEDINSPEC -
tion agency, to ensure that the product has not
been affected by corrosive water conditions
and to ensure that the valve and discharge
line have not been altered or tampered with
illegally. Certain naturally occurring condi-
tions may corrode the valve or its components
over time, rendering the valve inoperative.
3UCH CONDITIONS ARE NOT DETECTABLE UNLESS
the valve and its components are physically
removed and inspected. This inspection must
only be conducted by a plumbing contrac-
TORORAUTHORIZEDINSPECTIONAGENCYˆNOT
by the owner. Failure to reinspect the boiler
relief valve as directed could result in unsafe
pressure buildup, which can result in severe
personal injury, death or substantial property
damage.
Following installation, the valve lever must
be operated
AT LEAST ONCE EACH YEAR to
ensure that waterways are clear. Certain
naturally occurring mineral deposits may
adhere to the valve, rendering it inoperative.
When manually operating the lever, water
will discharge and precautions must be taken
to avoid contact with hot water and to avoid
water damage. Before operating lever, check
to see that a discharge line is connected to this
valve directing the flow of hot water from the
VALVETOAPROPERPLACEOFDISPOSAL/THERWISE
severe personal injury may result. If no water
mOWSVALVEISINOPERATIVE3HUTDOWNBOILER
until a new relief valve has been installed.
2. After following the warning directions, if the relief valve
weeps or will not seat properly, replace the relief valve.
Ensure that the reason for relief valve weeping is the
VALVEANDNOTOVERPRESSURIZATIONOFTHESYSTEMDUETO
EXPANSIONTANKWATERLOGGINGORUNDERSIZING
Check all boiler wiring
Inspect all boiler wiring, making sure wires are in good
condition and securely attached.
Check control settings
1. Check boiler limit control setting, Adjust if neces-
sary.
2. Check settings of external limit controls (if any) and
adjust if necessary.
Part number 550-141-986/0112
28