44
Page
MAINTENANCE AND SERVICE
•
Be sure that all openings for combus
tion
and ven
til
a
tion
air are not blocked.
•
The ven
ting
system should be checked annually for any leaks, corrosion, blockages or damage.
•
The burner should be checked annually for dust, lint, grease or dirt.
•
Keep the area around the micro-boiler clear.
Remove any combus
tible
materials, gasoline or any
flammable
vapors and liquids.
•
In accordance with all local codes and common safety pr
actices,
water discharged from the pressure
relief valve can cause severe burns instantly from scalding. DO NOT touch the pressure relief valve.
•
If the relief valve discharges periodically, it may be due to thermal expansion in a closed water supply
system. Contact the water supplier or local plumbing inspector on how to correct this situa
tion.
•
Visual check of burner
flames
(see below) through the burner window in the burner assembly located
at the middle of the micro-boiler.
The manufacturer recommends having the unit checked once a year or as necessary by a licensed
technician. If repairs are needed, any repairs should be done by a licensed technician.
UNIT DRAINING and FILTER CLEANING
Owner's Guide
Turn o
ff
the electrical power supply and close the manual gas shuto
ff
valve
before servicing.
WARNING
1.
Close the manual gas shuto
ff
valve.
2.
Turn o
ff
power to the unit and wait a couple of seconds.
Turn on again.
3.
Wait 30 seconds, and then turn o
ff
power to the unit,
yet again.
4.
Close the water shuto
ff
valve.
5.
6.
Have a bucket or pan to catch the water from the unit’s
drain plugs.
Unscrew
the two drain plugs (large and
small) to drain all the water out of the unit.
Wait a few minutes to ensure all water has completely
drained from the unit.
Blue
Flame
blowing up
Red or Yellow
Water valve
Gas
valve
Drain plug
(Small)
Drain plug
(Large)