<2> Setting the Water Temperature
The current water temperature will appear in the area
labeled .
How to Change the Temperature Setting
1. To lower the water temperature setting
Press the Set Temperature button .
2. To raise the water temperature setting
Press the Set Temperature button .
• Each press increases or decreases the temperature by 1 °C (1 °F).
The current setting will appear in the area labeled in the figure on the
previous page.
• The settable ranges for the “Hot Water” and “Heating” modes are as
follows. *1, *2
Note:
*1 Available ranges vary depending on the type of unit connected.
*2 If the temperature ranges are restricted from the remote controller, the
settable ranges may be narrower than shown above. If an attempt is made
to set a value outside of the restricted range, the display will show a
message indicating that the range is currently restricted.
For information about how to set and clear the restrictions, refer to section
[4], item [4]–2. (3).
*3 Temperatures can be displayed in Celsius or Fahrenheit (factory setting:
Fahrenheit). For information about how to select °C or °F , refer to section
[4], item [4]–4. (1).
*4 If the target water temperature setting for the Heating mode has been set
to a temperature outside of the remote controller’s setting range (above
55°C) from the circuit board, any signal from the remote controller to
change the temperature setting will be ignored. If this happens, disconnect
the remote controller, set the target temperature to 55°C or below from the
circuit board, reconnect the remote controller, and then change the
temperature setting from the remote controller.
• Water temperature can be controlled based on the inlet or outlet
temperature.
* The water temperature range that can be displayed is between 0 °C to
100 °C. Outside this range, the display flashes either 0 °C or 100 °C.
<3> Setting the Day of the Week and Time
Use this screen to set and change the current day of the week and time
settings.
Note:
The day and time will not appear if the clock display is disabled from the
remote controller on the Function Selection menu.
How to Set the Day of the Week and Time
1. Press the or Set Time button to bring up in the
area labeled .
2. Press the TIMER ON/OFF (SET DAY) button to set the day (labeled
in the figure).
* Each press advances the day.
3. Press the Set Time button as necessary to set the time.
* When the button is held down, the time (at ) will increment first in
one-minute intervals, then in ten-minute intervals, and then in one-hour
intervals.
4. After making the appropriate settings in Steps 2 and 3, press the
CIR.WATER button to save the values.
Note:
The changes will be lost unless the Mode (BACK) button is pressed before
the CIR.WATER button is pressed.
5. Press the Mode (BACK) button to complete the setting procedure and
return the display to the normal operation screen. The new day and time
will appear in the area labeled .
<4> Using the Timer
Three types of timers are available as follows: Weekly timer, Simple
timer, or Auto-Off timer. The timer type can be selected from the remote
controller on the Function Selection menu.
For information about how to use the Function Selection menu on the remote
controller, refer to [4]–3. (3) (page 47).
Using the Weekly Timer
1. The weekly timer can be used to schedule up to six events for each day of
the week.
• Each operation event can consist of any of the following: ON/OFF time
together with a temperature setting, ON/OFF time only, or temperature
setting only.
• When the timer reaches the preset time, the schedule event will take
place.
2. The time can be set to the nearest minute.
Note:
*1 The Weekly, Simple, and Auto-Off timers cannot be used concurrently.
*2 The weekly timer will not operate when any of the following conditions is
met.
The timer is off; the system is in error; a test run is in progress; the remote
controller is performing self-check or remote controller check; the timer,
function, day, or time is being set. If the ON/OFF status and/or the
temperature setting is centrally controlled, their settings cannot be
changed according to a schedule that was set from the remote controller.
Operation No.
Hot Water Heating
25 °C - 70 °C
77 °F - 158 °F *3
25 °C - 55 °C
77 °F - 131 °F *3
3
3
PAR-W21MAA
ON/OFF
TEMP.
MENU
BACK DAY
CHECK TEST
MONITOR/SET
CLOCK CLEAR
ON/OFF
INITIAL SETTING
CIR.WATER
˚C
TIME SUN
Day of the Week &
Time display
TIME SUN
Day of the Week Setting
Time Setting
2
3
4
3
PAR-W21MAA
ON/OFF
TEMP.
MENU
BACK DAY
CHECK TEST
MONITOR/SET
CLOCK CLEAR
ON/OFF
INITIAL SETTING
CIR.WATER
˚C
SUN
ON
WEEKLY
2
4
9
1
11
2
11
9
10
4
1
7
8
3
12
4
2
3
1
2
3
4
1
11
11
4
4
2
2
1 2
3
3
3
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