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Clean ing Switch
Located on the bottom side of the control box, it is
used to energize the water inlet and the hot gas
valves to fill the sump of the machine with water
when needed.
Green Master Switch Push Button
Located in the front of the machine it's used to
switch ON and OFF the unit by pushing its green
push button. When ON, its green light is ON.
Red Alarm/Re-Set Push Button
Located in the front of the machine (just beside the
Master Switch) it works in conjunction with the
Cleaning Remind Board and it's activated when:
1. ON steady with machine in OFF mode
Condensing temperature is higher then 70
o
158
F. (air cooled version)
2. Blinking twice and repeat with machine in OFF
mode
Condenser sensor out of order.
3. ON steady with machine in ON mode
Condenser air filter needs to be cleaned.
4. Slow blinking with machine in ON mode.
Water system needs to be cleaned.
In the first case the machine can be Re-Set by
pushing and holding the Red Alarm Re-Set Button
for 5 seconds till the Red Light is OFF.
In the second case, first replace the condenser
sensor then, push and hold the Red Re-Set Button
for 5 seconds.
Cleaning Reminder PC Board
Located on the front left side of the machine, it
works in conjunction with the condenser sensor
and the Red Alarm Re-Set Push Button.
It consists of
Printed Circuit Board with a step down
transformer (115V - 12V)
Relay
Dip Switch with two keys
Jumper for the set up of the Cut OFF/Alarm
condensing temperature (70oC 158oF.- jumper
OUT - for air cooled)
green four wire connector for power IN and
OUT
Red socket for the Water Level Sensor (future
use)
Black socket for the Condenser Sensor and
White socket for the Red Alarm Re-Set Push
Button
The main function of this PC Board is to switch the
machine OFF when the condensing temperature is
too high or signal the need for cleaning the
condenser air filter or the water system. The time
between the signal for the cleaning of the water
system can be modified according to the setting of
the two Dip Switches as below:
Time
1 Month
o
C or
3 Months
6 Months
1 Year
Once the water system has been cleaned, push
and hold the Red Alarm Re-Set Button for more
then 20 seconds until it starts to blink. That will
reset the control.
Condenser Air Filter
It is located in front of the air cooled condenser. It
can be removed by pulling it through the opening
in the front panel for cleaning or replacing. A lower
plastic guide, installed inside the unit, is used for
the correct sliding and location of the air filter.
Condenser Sensor
The condenser temperature sensor probe, located
within the condenser fins detects the condenser
temperature variations and signals them by
supplying current, at low voltage, to the P.C.
BOARD.
In case the condenser temperature rises and
reaches 70
cause an immediate and total stop of the
machine's operation.
April 2007
Page 10
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2
On
On
Off
On
On
Off
Off
Off
o
o
C (160
F) – the control system will
CU0515
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