HARDY MANUFACTURING CO., INC (MODEL H3, H5, & H6) PAGE 30
SECTION VII 7-3 Preseason Heater Maintenance
Each year before the heating season begins,
you should check your heater to insure
that everything is ready for the heating season.
1. WATER QUALITY – The Hardy Heater is designed not to lose heater water through
evaporation. At times during the year, accidental overheating can occur, and the water will
evaporate. The evaporation causes a concentration of chlorides (salts) and other minerals.
To protect your heater from this buildup of chlorides (salts) and other minerals, we
recommend to drain your heater each year at time of startup for the heating season and
refill with rain water or bottled water with a chloride concentration of less than 15 parts per
million. This will add to the life of your stainless steel tank.
2. DAMPER AND DRAFT SYSTEM – When you plugged in the power cord, the damper
solenoid should have opened the draft lid on the draft blower. The forced air draft blower
should also have come on. If both of these components are working correctly, unplug the
power cord. Open the clean out lid beside the draft blower and check for any build up of
ash, tar, or any other material that could restrict the amount of combustion air entering the
heater. Check the seal on the clean out lid to assure a good air tight seal is still
established. Lift the damper lid on the draft blower and inspect the blower wheel for any
build up of lint, dust, creosote, or any other substance that could effect the performance of
the draft blower. Spray the damper lid hinge, and the damper solenoid plunger with WD-
40, or its equivalent. Oil the draft blower motor with electric motor oil, or 10 weight no
detergent motor oil. Do no use WD-40, or machine oil. Check the grates inside the heater
to see if there is any ash build up of if the grates are warped. If a grate does warp, lift that
grate up and turn it over. Also at this time check the smoke stack for blockage.
3. WATER PUMP – Unplug the power cord going to the water pump. Close the valve
above the water pump and the return water valve at the bottom of the heater. Remove the
pump motor from the pump housing by removing the four bolts in the pump housing.
Remove the impeller cartridge assembly from the pump housing. Check the impeller to
determine if it is free by spinning the impeller in the cartridge. Check the pump housing for
rust or any other build up that could impede the flow of water. Reassemble the water
pump, making sure the “O” ring in the cartridge is seated right. Once the pump is
reinstalled, open the water valve above the pump and the return valve.
To Next Page
Loading...
