Hitachi RWM-(H)FSN3E, Service Manual

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6 LCD user’s interface
SMGB0070 rev. 1 - 08/2011
181
6
 Time and date
Displays the current date and time information. The information
displayed may be changed on the control configuration menu.
 Alarm indication
Alarm indication will appear when an alarm is detected. The
alarm icon and alarm code will appear.
 Control of Circuits I & II
This displays the temperature setting calculated for each circuit
and a throughput icon indicating the percentage of the tempera-
ture setting being generated.
Pressing the ON/OFF button on one of these circuits will switch
it on or off.
When Air to water heat pump System has configured an intelli -
gent room thermostat, temperature settings for circuits I and II
may be switched between the following variables.
-
SET : Control temperature Setting
-
OTC : OTC Temperature Setting
-
ROOM : Room Temperature Setting
-
CURR : Current Room Temperature
 Unit mode
This icon shows the unit’s mode of operation status. It may be
edited by pressing the OK button, and it can be switched between
Heating and Cooling mode.
Electrical Heater control:
-
1 - Step 1
-
2 - Step 2
-
3 - Step 3
Electrical Heater DHWT control:
-
ON
-
Disabled by timer
Unit mode (Status)
-
Heat
-
Cool
Timer enabled
 Unit status signals
This part of the screen displays all the notification icons that offer
general knowledge on the unit’s situation.
Available signals are from left to right:
-
Installer mode indication
-
Defrost
-
Water pumps
-
Supplementary solar system
-
Compressor ON
-
Swimming Pool
-
Boiler working
-
Tariff input
-
Test Run
-
Auto Summer Switch-Off








 Configuration Menu
- Unit configuration
- Control configuration
This icon indicates when it is possible to go to the configuration
menu. If the icon is displayed, the user may return to the menu by
pressing the back button. It has different options that can be confi -
gured as shown in the following pages.
 Sanitary Tank Control
Available options are:
-
DHWT Temperature Setting
-
DHWT Water Temperature
This view gives information about the DHW’s temperature setting
and displays a temperature icon indicating the percentage of tempe-
rature the DHW will be generating.
It will also have an icon to show whether or not the electrical heater
of the DHW is working and another one that indicates whether there is
a timer configured for the current day.
DHW temperature setting may be changed by pressing the OK button
above it.
Pressing the ON/OFF button over the DHW area will switch it ON
or OFF.
If anti-legionella is working, an ANTL text will appear, and the setting
configured on the anti-legionella menu will be displayed.
 Swimming pool control
Available options are:
-
SWP Temperature setting
-
SWP Water temperature
This view gives information about the Swimming pool temperature
setting and displays a temperature icon indicating the percentage of
temperature the Swimming pool will be generating.Swimming pool
temperature setting may be changed by pressing the OK button
above it.
Pressing the ON/OFF button over the Swimming pool area will
switch it ON or OFF.