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page 10
AK and 3K Series Installation and Service Instructions
4211-139-A 08-14-2009
SECTION 6: WIRING INSTRUCTIONS (continued)
SEE DIAGRAM
Electrical shock hazard - Disconnect
all electrical power before servicing
the generator. All wiring should be
installed by a licensed electrical
contractor in accordance with local
and national codes.
For continued safe operation use
factory authorized replacement
elements only.
6. OPTIONAL SECONDARY GENERATOR CONTROL
As an option, a second K60 control can be installed
with an AK generator to provide ON/OFF control both
inside and outside the steam room. The second
control should be installed as described in para-
graphs 1 & 5, with the second control cable plugged
into connector S60B for the K60 Control on the
printed circuit board assembly. See diagram 10.
7. INSTALL TEMPERATURE SENSOR
(REQUIRED FOR K60 OR K30 ONLY)
The temperature sensor should be mounted 150 mm
below the ceiling, inside the steam room, but not
directly over the steam dispersion head or more than
2,1 M above the floor. Using a 22 mm hole saw, drill
a hole in the finished wall where the sensor is to be
mounted (the sensor cable should already be roughed-
in to this location). Locate the sensor cable, pull it out
through the hole and plug it into the temperature
sensor. It is best to tape the sensor and cable connec-
tion together to avoid disconnection inside the wall.
Apply silicon caulk as shown in diagram 12 and insert
the sensor in the hole. Make sure that the sensor
probe is pointing down once installed. Tape the
sensor in place while the silicone hardens. Route the
generator end of the sensor cable through the gen-
erator hole marked CONTROL WIRING ENTRY using
the control cable strain relief. Plug the sensor cable
into the connector marked J4 on the printed circuit
board assembly. See diagram 10
SECTION 7: OPERATIONAL TEST
SECTION 8: SERVICE
6. Within one minute the unit should again pro-
duce steam. It should call for water once every two
minutes or more depending on its power rating.
It’s normal for the flow of steam out the steam
head to slow for up to 10 seconds each time the
unit calls for water.
7. The unit will shut down automatically in 30
minutes if the "R30K or K30" Control is used, or up
to 60 minutes if the K60 or KT60 Control is used.
When the time runs out the steam will stop and
there should not be any water flow. The control
should not be lit.
8. If the unit does not operate as described above,
refer to SECTION 9: TROUBLESHOOTING GUIDE.
THE UNIT IS NOW READY FOR OPERATION.
1. DESCRIPTION OF AMEREC AK SERIES
GENERATOR
The AK series is one of AMEREC’s high performance
line of steam generator products.
The Printed Circuit Assembly (the “PCA”) provides
the basic functions necessary to produce steam. The
PCA controls makeup water, provides a water level
permissive for powering the elements and provides
raw DC power for the system.
The PCA also provides regulated non-interruptible
5.0 VDC power for the generator control and tem-
perature sensor. It provides the interface circuitry
between the control and the PCA, provides the room
temperature control loop, power switching for "soft
steam" and a fixed 30 minute steam bath timer or
adjustable 60 minute timer.
2. MAINTENANCE OF AK SERIES STEAM
GENERATORS
- VISUAL INSPECTION - Whenever the generator is
opened, inspect for any evidence of water leaks.
Inspect the wiring for any evidence of overheating.
Check all electrical connections for tightness.
- FLUSH TANK - Flush monthly, or more often,
depending on local water conditions.
- FLUSHING PROCEDURE:
A. The generator should be cool.
B. Press the ON/OFF. The control should light.
C. Open the manual drain valve.
D. The unit will drain without heating the water.
E. Allow the water to run for a full 10 minutes, then
press the ON/OFF. The control light should turn off.
(continued page 12)
SEE DIAGRAMS
1. Assure power and water are on.
2. Press the ON/OFF. The control should light-up.
3. Allow 10 minutes for the steam to start.
4. Once the steam starts, press the ON/OFF. The
steam should stop; there shouldn't be any water
flow. The control should not be lit-up.
5. Press the ON/OFF. The control should light up.
WARNING
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