Hatco POWERMITE PMG-100 Installation, Operating, Service And Parts Manual page 25

1. STOP! Read the safety information on the
appliance label or in this manual.
2. Turn off all electric power to the appliance.
3. This booster heater is equipped with an ignition
device which automatically lights the pilot. DO
NOT try to light the pilot by hand.
4. To gain access to controls remove front panel by
sliding it up and pulling lower edge out and down
away from the appliance.
5. Turn gas control knob clockwise to OFF.
(See Figure 11.)
6. Wait five (5) minutes to clear out any gas. If you
smell gas STOP! Follow "B" in the safety
information under Start Up Procedures. If you do
not smell gas, continue to the next step.
7. Turn gas control knob counterclockwise to ON.
8. Replace front access panel.
9. Turn on all electric power to the appliance.
10.Turn on power switch and:
a. After approximately 20 seconds the ignition
sequence should begin and light the pilot. If
the water temperature is below the setpoint
the heating process will start.
b. Allow the booster heater to run until the
burner shuts down. The booster heater is now
at its setpoint,
temperature.
c. Run the dishwashing machine through at
least two rinse cycles. After the first rinse
cycles. After the first rinse cycle the burner
should re-light and remain lit until the water
maintains 180°-185°F (82°-85°C) output @
20 psi through the second cycle.
NOTE: If this test does not proceed as
described, contact the Hatco Corporation or
your authorized service agent for technical
assistance.
11. If the appliance will not operate, follow the
instructions "To Turn Off Gas To Appliance" and
call your service technician or gas supplier.
stabilized working
Figure 11. Gas Valve - Top View
To Turn Off Gas To Appliance:
1. Turn off power switch on heater.
2. Turn off all electric power to the appliance if
service is to be performed.
3. Shut off external manual gas valve.
4. Remove front cover of heater for access to the
control compartment.
5. Turn gas control knob clockwise to OFF.
Do not force.
6. Replace front access panel.
To avoid FREEZING WATER DAMAGE to the
booster heater when the outside temperature
is below 32°F (0°C) the unit must be left ON and
the venting must be protected from migrating
cold air.
23
OPERATION
CAUTION
Form No. PMG-100/200M-0805