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Owner's Guide
Page
47
Normal Operation
-MAINTENANCE AND SERVICE-
-UNIT DRAINING-
Turn off the electrical power supply and close the manual gas shutoff valve
and the manual water control valve before servicing.
• Be sure that all openings for combustion and ventilation air are not blocked.
• The venting 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 combustible materials, gasoline or any
ammable vapors and liquids.
• In accordance with all local codes and common safety practices, 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
situation.
• Visual check of burner ames (see below) through the burner window in the burner assembly
located at the middle of the micro-boiler.
The manufacturer recommends having the micro-boiler checked once a year or as necessary by a
licensed technician. If repairs are needed, any repairs should be done by a licensed technician.
1. Close the manual gas shutoff valve.
2. Turn off power to the micro-boiler and wait a couple of
seconds. Turn on again.
3. Wait 30 seconds, and then turn off power to the micro-
boiler, yet again.
4. Close the water shutoff valve.
5. Have a bucket or pan to catch the water from the micro-
boiler's drain plugs. Unscrew the small drain plug rst
and unscrew the large drain plug next to drain all the
water out of the micro-boiler.
6. Wait a few minutes to ensure all water has completely
drained from the micro-boiler.
WARNING
Water valve
Gas
valve
Drain plug
(Small)
Drain plug
(Large)
Flame
blowing up
Blue
Red or Yellow
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