12
Replacing antifreezing liquid
1.
Press the [FUNCTION] key from the LO-
CAL mode.
2.
Press the [ ]XYnd [ ] keys until the dis-
play gives the indication [MAINTENANCE].
3.
Press the [ENTER] key.
4.
Press the [ ] and [ ] keys until the display
gives the indication [WATER CHNGE].
5.
Press the [ENTER] key.
6.
Start cooling down for the water heater
after pressing the [ENTER] key.
• Do not touch the water heater until
[WASTE AF] is displayed to avoid from
burn injury. In case using the device
before the water heater replacement ,
it may take approx. 20minutes until
[WASTE AF] is displayed.
7.
Press the [ENTER] key when the [WASTE
AF] is displayed.
8.
Open the water heater cover.
<< LOCAL >>
WATER CHANGE
START
:ent
MAINTENANCE
WATER CHNG
< ent >
FUNCTION
MAINTENANCE
< ENT >
FUNCTION
DATA CLEAR
< ENT >
WATER CHANGE
PLEASE WAIT
WATER CHANGE
WASTE AF
:ent
MAINTENANCE
LIST
< ent >