SECTION I: USER
23
Fig. 2
Indicates the presence of moving parts (belts, fans).
Indicates the presence of hot surfaces (refrigerating
circuit, compressor heads)
Indicates the presence of live components.
Indicates the presence of sharp edges in the area of
the finned coils.
I.7
DESCRIPTION OF CONTROLS
The controls consist of the mains switch, the automatic switch and the
user interface panel located on the appliance.
I.7.1 MAINS
SWITCH
Manually controlled type “b” mains power supply disconnecting switch
(ref. EN 60204-1§5.3.2).
I.7.2 AUTOMATIC
SWITCHES
•
Automatic switch for compressor protection
This switch allows the supply or isolation of the compressor's main
power circuit.
•
Fuses
Fan protection fuse
Integral compressor protection fuse (121-126).
I.7.3
CONTROL KEYPAD INSTALLED ON
MACHINE
Fig. 3
Display:
displays the values of all the parameters (i.e.
outlet water temperature, etc.) and any alarm
codes.
Power supply LED:
indicates the presence of the power supply
when the machine is switched off. If it flashes
when the unit is running, it means that the
compressor is stationary due to safety delays.
The LED is also used as a decimal point in
temperature indications.
Winter LED - ON/OFF, DOWN key:
When the orange LED is on, it indicates that the unit is
running in heating mode. If it is flashing, it indicates that
a time delay is in place before the activation of a
defrosting cycle. This key makes it possible to switch
the unit on and off and also allows the user to run down
through the list of parameters, the values displayed and
any alarm codes.
Summer LED MODE, UP key:
When the green LED is on, it indicates that the unit is
running in cooling mode. If it is flashing with the winter
LED on, it indicates that a defrosting cycle is underway.
This key makes it possible to select the unit operating
mode (summer or winter cycle) and also allows the user
to run up through the list of parameters, the values
displayed and any alarm codes.
Alarm LED ALARM, PRG key:
When the red LED is on, it indicates the presence of at
least one alarm situation in the machine. This key
makes it possible to programme the machine, display
the alarm codes and reset the same.
The keypad display installed on the machine (Fig. 5) makes it possible
to access the parameters on three levels: user, technical assistance
and manufacturer. The technical assistance and manufacturer levels
are password protected.
I.8 INSTRUCTIONS
FOR
USE
By means of the switches and the keypad the user may carry out the
following operations:
•
power the unit;
•
start-up;
•
change/select the operating mode;
•
adjust summer and winter set points;
•
view alarms via the display;
•
stop the unit;
•
disconnect the unit from the mains power supply.
IMPORTANT!
Any other operation must be carried out by
qualified personnel authorised by
RHOSS
S.p.A.
Summary of Contents for MICROSYSTEM TCCE 114 H Series
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