24
ELECTRIC SHOCK HAZARD
DEATH, INJURY, or EQUIPMENT DAMAGE can result from touching any component inside this appliance when
the power is connected.
Whenever possible disconnect the power while installing, servicing, or testing this appliance.
When installation, service, or tests require power to be connected to this appliance: use extreme caution
and every possible precaution and safety measure while testing or servicing this appliance.
B. Boiler Drain and Rinse Cycle Inspection (3-minute Blowdown Cycle)
1.
Turn OFF the Main External Power Switch.
2.
Turn OFF the ON/OFF switch.
3.
Turn the Main External Power Switch ON to start the 3-Minute Blowdown Cycle.
a.
Watch for plumbing leaks:
b.
If there are leaks:
1) Turn OFF the Main External Power Switch.
2) Repair leaks.
3) Start this test over.
4.
The automatic blowdown cycle opens the fill and rinse valves.
5.
The drain valve remains open.
6.
The drain valve and water column float assembly are flushed with fresh water.
7.
Stop the blowdown cycle before it is complete by turning the ON/OFF switch ON.
a.
The operating controls energize
b.
The red ON indicator in the ON/OFF switch lights.
c.
Blowdown stops
d.
The Boiler fills
•
The Low Water light turns ON while the Boiler is filling.
•
The Low Water light turns OFF when the Boiler is full.
8.
Start a 3-minute blowdown cycle by turning the ON/OFF switch OFF.
9.
A steady flow of water enters the top of the float column through the spray nozzle.
10. A steady stream of water flows from drainpipe into the floor drain.
11. After the 3-minute blowdown cycle ends, no water flows into the float column or out of the
drainpipe.
12.
Go to C
.
“Operating Test Procedures.”
C. Operating Test Procedures
1.
Turn OFF the Main External Power Switch.
2.
Turn OFF the ON/OFF switch.
3.
Turn ON the Main External Power Switch.
a.
The 3-minute blowdown cycle starts.
b.
Turn the ON/OFF switch ON.
•
The red ON indicator in the ON/OFF switch lights.
•
The automatic blowdown cycle stops.
c.
Start a manual steaming cycle.
