Hitachi RWM-(H)FSN3E, Service Manual

Page: 201 / 424

6 LCD user’s interface
SMGB0070 rev. 1 - 08/2011
191
6

DHW timer
When user selects configure value, another window will be displayed,as
seen in the following image.
That screen will included the following options:
-
Timer creation: this will be used to set the different programs.
-
Timer assignation: this will be used to set different programs to
each day of the week.
-
Reset Timer creation: this will ask the user to set all days with
disabled timer.
Timer Creation
Timer Assignation
Reset Timer Creation
DHW TIMERS
Timer Creation
Timer Assignation
Reset Timer Creation
DHW TIMERS
The user will select between 7 Timers in the timer creation menu.
DHW TIMER CREATION
Timer 1
Timer 2
Timer 3
Timer 4
Timer 5
Timer 6
After selecting a timer, the scren will display 6 DHW Permission Periods
to select from.
The right column indicates whether the DHW Permission Periods are
enabled or not. This can only be changed from inside the menu.
DHW TIMER CREATION
Timer DHW Permission 1
Timer DHW Permission 2
Timer DHW Permission 3
Timer DHW Permission 4
Timer DHW Permission 5
Timer DHW Permission 6
Enabled
Disabled
Disabled
Disabled
Disabled
Disabled
Each of these DHW Permission Periods may be configured as shown
in the following image. To enable the permission period this option must
be set to “YES”.
When permission period configuration is confirmed, it will be saved
if the permission period is enabled. Prior to this, it will check to see if
“From” time is lower than “To” time, in which case an error message will
appear and you will return to this screen.
Note that if one permission period ends within another, DHW will be
allowed until the end of the period that ends the latest.
DHW PERMISSION PERIOD 1
DHW PERMISSION PERIOD 1
From
To
Period Activated YES
CONFIRM
Assigning the day is done in the same way as for normal configuration.
There will be a list of all the days of the week, and the user can either
select which timer will be executed for each day, or disable the timer.
If a day’s timer is disabled, it will do nothing. If the timer is enabled, it
will be applied.
When the tank is working on a timer period, the DHW tank will be
available for normal usage. If it is outside of the period, but on a day
with an assigned timer, the temperature setting will be replaced in the
comprehensive view by the ban icon, and the tank will operating under
the OFF mode.
If the user presses OFF, the temperature will read as OFF and it will be
considered a normal day without a timer.
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Timer 1
Disabled
Timer 2
Timer 1
Timer 7
Disabled
DHW TIMER ASSIGNATION
Resetting timer assignation will set all the days on the timer assignation
to the disabled value. It will ask the user for confirmation.
DHW TIMER ASSIGNATION
Pressing OK the days on a week will
have the timer disabled.
NO YES