Cayman 2006
Appliances — Section 4 • 117
Pressure-Temperature Relief Valve
The water heater is equipped with a Pressure/Temperature
relief valve (P & T) that may discharge during the heating
cycle, due to thermal expansion of water. The P & T relief
valve is designed to open if the water temperature in the
tank reaches 210° F (98.8° C), or if internal pressure reaches
150 psi. When water, pressure and temperature reach these
settings, water may drip from the valve until the pressure has
dropped. A small discharge is normal and is not necessarily
a faulty valve. Avoid opening the P & T valve manually as it
may continue to leak.
The water heater has an internal air pocket to reduce the
possibility of dripping or weeping. Eventually, the expansion
of the water will absorb the air pocket. When this occurs, the
air pocket will have to be replaced utilizing the following
procedure.
CAUTION:
Ensure the water heater tank is cool prior to making any check of the valve.
Re-establishing the Air Pocket:
Step 1:
Turn
OFF
the water heater.
Step 2:
Turn
OFF
the incoming water supply.
Step 3:
Open any hot water faucet closest to the water heater.
Step 4:
Pull the handle of the P & T valve until the fl ow of water stops.
Step 5:
Close the P & T valve allowing it to snap shut. Close the hot faucet and turn
ON
the water supply.
Step 6:
Turn
ON
the water heater.
The air pocket is re-established and the process does not need to be repeated until the next discharge of water
from the P & T valve. If the discharge does not stop, contact a qualifi ed service center to evaluate the valve and
make any required repairs.
Burner Compartment
Periodically check the outside service compartment and screen
(in the door) for foreign material that can accumulate and prevent
the fl ow of combustion and ventilating air.
NOTE:
DO NOT block any opening.
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Содержание Cayman 2006
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