Mitsubishi Electric CAHV-R450YA-HPB Installation & Operation Manual page 33

(3) Selecting the preset temperature for different operation periods
Setting procedures
Step 0
Set the ON/OFF
switch (SWS1) to
OFF.
Step 1
Set the dip switches
SW5 and SW6.
Step 2
Select the desired
item with the push
switch SWP3.
Step 3
Press the push
switches SWP1 (↑)
or SWP2 (↓) to
increase or
decrease the value.
Step 4
Press the push
switch SWP3 to
save the change.
Set SWS1 to OFF from the remote controller or with the local switch.
Settings cannot be changed unless the ON/OFF setting is set to OFF. *
Set the dip switches on the circuit board as follows before making the settings for the items
described in this section.
SW5
10 5 6 7
OFF OFF OFF OFF
Item codes 1215 through 1220 relate to scheduled operation setting.
Set the item code to 1, and set the time for each of the relevant items.
Press the push switch SWP3 to select an item code.
Use the push switches SWP1 and SWP2 to change the value of the selected item.
The value will keep blinking while it is being changed.
Settings table
Items that can be set
Preset temp. 1 (Heating)
Preset temp. 1 (Hot Water)
Preset temp. 1 (Heating ECO)
Start/End time setting 1
(ON/OFF) water temp. setting *
Start/End time setting 2
(ON/OFF) water temp. setting *
Start/End time setting 3
(ON/OFF) water temp. setting *
*1: Preset temp. A (Heating)
2: Preset temp. B (Hot Water)
3: Preset temp. C (Heating ECO)
Press SWP3 once within one minute of changing the setting with SWP1 or SWP2 to save the
setting.
Once the new setting is saved, the display will stop blinking and stay lit. The display will, then,
return to the item code display mode.
If SWP3 is not pressed within one minute, the change will not be saved and the display will
return to the item code display mode.
SW6
8 9 10
ON OFF OFF
Item Initial
Unit
code value
Increments
1215 14 TH
1216 14 TH
1217 14 TH
1218 1
1219 1
1220 1
33
Setting
Setting change from an
optional remote
Lower Upper
limit limit
1 14 15
1 14 15
1 14 15 Not possible
1 1 3 Not possible
1 1 3 Not possible
1 1 3 Not possible
controller
Possible
Possible