Lochinvar EnergyRite ER302 User's Information Manual page 7

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Maintenance schedule
Test low water cutoff (if installed)
1. If the system is equipped with a low water cutoff, test
the low water cutoff periodically during the heating
season, following the low water cutoff manufacturer's
instructions.
Reset button (low water cutoff)
1. Testing the low water cutoff shuts the unit off. Press
the RESET button on the low water cutoff to turn the
unit back on.
Check pool heater piping (gas and
water)
1. Remove the pool heater front access door and perform
a gas leak inspection per steps 1 through 6 of the
Operating Instructions on page 8. If gas odor
or leak is detected, immediately shut down the pool
heater following the procedures on page 8.
Call a qualified service technician.
2. Visually inspect for leaks around water piping.
Also inspect the circulators, relief valve, and fittings.
Immediately call a qualified service technician to
repair any leaks.
Have leaks fixed at once by a qualified
⚠WARNING
service technician. Failure to comply
could result in severe personal injury,
death, or substantial property damage.
3. Replace the front access door.
(continued)
Operate relief valve (if applicable)
1. Before proceeding, verify that the relief valve outlet has
been piped to a safe place of discharge, avoiding any
possibility of scalding from hot water.
To avoid water damage or scalding due to
⚠WARNING
valve operation, a metal discharge line must
be connected to the relief valve outlet and
run to a safe place of disposal. This discharge
line must be installed by a qualified heating
installer or service technician in accordance
with the instructions in the EnergyRite
Installation and Operation Manual. The
discharge line must be terminated so as
to eliminate possibility of severe burns or
property damage should the valve discharge.
2. Read the pool heater pressure/temperature gauge to
make sure the system is pressurized. Lift the relief valve
top lever slightly, allowing water to relieve through
the valve and discharge piping.
3. If water flows freely, release the lever and allow the valve
to seat. Watch the end of the relief valve discharge pipe
to ensure that the valve does not weep after the line has
had time to drain. If the valve weeps, lift the seat again to
attempt to clean the valve seat. If the valve continues to
weep afterwards,
technician to inspect the valve and system.
4. If water does not flow from the valve when you lift the
lever completely, the valve or discharge line may be
blocked. Immediately shut down the pool heater,
following the operating instructions on page 8 of
this manual. Call your qualified service technician to
inspect the pool heater and system.
Shut pool heater down
1. Follow "To Turn Off Gas to Appliance" on page 8
of this manual.
2. Do not drain the system unless exposure to freezing
temperatures will occur.
3. Do not drain the system if it is filled with an antifreeze
solution.
User's Information Manual
contact your qualified service
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