Mitsubishi Electric CAHV-P500YB-HPB, Service Handbook

Page: 92 / 169

[
VII
Control ]
- 85 -
HWE15070 GB
Select item code 1057 and 1058 to set the operation temperature (TWL1 and TAL1) for the booster heater 1.
Press push switch SWP3 to select the item code.
Change the values with push switches SWP1 and SWP2.
Until the changed values are saved, the values will blink.
Press and hold push switches SWP1 and SWP2 to fast forward the numbers.
Press SWP3 once within one minute of changing the settings to save the change.
When 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.
Step 2
Set dip switches
SW2 and SW3.
3 W S 2 W S
-10 5 6 7 8 9 10
Switch settings OFF OFF OFF OFF OFF ON OFF
Step 3
Select the item to be set with
push switch SWP3.
Step 4
Change the values with push
switches SWP1 (↑) or SWP2 (↓).
Items that can be set
Item
code
Initial
value
Unit
Setting
Note
Setting change from
an optional remote
controller
Increm-
ents Lower
limit Upper
limit
Booster heater 1
operation water
temperature (TWL1)
1057 40
°C
0.1 0 70
Not possible
Booster heater 1
operation outside
temperature (TAL1)
1058 -10 0.1 -30 50
Step 5
Press push switch SWP3 to save
the changed value.
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