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Warning:
Handhole
cover
may
loosen
during
shipping
–
check for tightness
before putting heater
in operation.
MEASURING
THE
OUTCOMING
WATER
TEMPERATURE
MAINTENANCE
SERVICE
– 5 –
2. To place burner in operation, follow the instructions provided with the burner.
3. Set the pump pressure to the value listed in Table 1 based on the burner make/
model and nozzle specified.
4. Adjust the burner combustion air in accordance with the burner manufacturer's
instructions. Using combustion instruments, check the C02 and smoke. The C02
should be at least 11% minimum with zero smoke on the Bacharach scale.
5. While the burner is operating, disconnect one of the yellow cad cell wires.
Check to see that the burner control locks out in the time specified on the control.
Reattach the wire and reset the control. The burner should restart. Note: You may
have to wait a minute before resetting the control.
6. The thermostat is factory set at 120°F for residential use. (See caution on
page 1 regarding temperature variations. It is the responsibility of the homeowner
and installer to verify that the installer follows the recommended quantitative
testing for measuring the outcoming water temperature. To make sure that the
system works properly after installation and in the future, it is recommended that
the heater's performance be measured and monitored. Run water out of the tap
nearest the heater until it comes out warm. Using a calibrated thermometer, take
a measurement. If the water is not at a suitable temperature for the installation,
have a qualified service person adjust the aquastat. Contact Bock for further
information on the thermometer if needed.
WARNING: Hydrogen gas can be produced in a hot water system served by
a heater that has not been used for a long period of time (generally two
weeks or more.) Hydrogen gas is extremely flammable. To reduce the risk of
injury, open the hot water faucet at the highest location in the house for
several minutes before using any electrical appliance connected to the hot
water system. If hydrogen is present, there may be an unusual sound such
as air escaping through the pipe as the water begins to flow. Do not smoke
or allow an open flame near the faucet at the time it is open.
1. Follow the burner manufacturer's instructions for proper maintenance of the oil
burner.
2. EVERY SIX to 12 MONTHS. Drain water from the heater tank and inspect for
sediment or lime accumulation. Flush out if necessary. If lime has accumulated,
remove with a commercial compound for dissolving lime or by scraping through
the hand hole opening (if supplied). Check water softening equipment if lime is
found in the tank. DO NOT ATTEMPT TO HEAT HARD WATER. (See
maintenance label on heater.)
3. Change the magnesium anode rods every six to 12 months or when they
are reduced to 3/8" diameter (see maintenance label on heater).
4. Open the relief valve test lever to flush out the tank. Make sure it reseats itself.
5. If the heater is to be shut off in cold weather, drain the tank to prevent freezing.
1. Check the fuel supply, electrical wiring and fuses, and make sure temperature
control is calling for heat.
2. If the burner fails to operate, call a qualified local service provider.
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